[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 85248 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 269332 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 5078 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 53088 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 14208 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 10001 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 14270 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 18178 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 18195 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 14101 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 11279 usecs scan_bus: scanning of bus DOMAIN: 0000 took 393055 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 413103 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 2023-06-05 03:08:20 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-06-05 03:08:20 UTC ELOG: Event(AA) added with size 11 at 2023-06-05 03:08:20 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 703421 exit 96336 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 1 link: 0 PCI: 00:14.0 read_resources bus 1 link: 0 done PCI: 00:16.0 read_resources bus 1 link: 0 PCI: 00:16.0 read_resources bus 1 link: 0 done PCI: 00:16.2 read_resources bus 2 link: 0 PCI: 00:16.2 read_resources bus 2 link: 0 done PCI: 00:16.3 read_resources bus 3 link: 0 PCI: 00:16.3 read_resources bus 3 link: 0 done PCI: 00:17.0 read_resources bus 4 link: 0 PCI: 00:17.0 read_resources bus 4 link: 0 done PCI: 00:17.1 read_resources bus 5 link: 0 PCI: 00:17.1 read_resources bus 5 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18 PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io PCI: 00:1f.1 20 * [0x40 - 0x5f] io DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:14.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:03.0 10 * [0x11000000 - 0x11ffffff] mem PCI: 00:00.2 18 * [0x12000000 - 0x127fffff] mem PCI: 00:00.2 10 * [0x12800000 - 0x128fffff] mem PCI: 00:0e.0 20 * [0x12900000 - 0x129fffff] mem PCI: 00:14.0 20 * [0x12a00000 - 0x12afffff] mem PCI: 00:15.0 10 * [0x12b00000 - 0x12b0ffff] mem PCI: 00:00.1 10 * [0x12b10000 - 0x12b17fff] mem PCI: 00:0e.0 10 * [0x12b18000 - 0x12b1bfff] mem PCI: 00:0d.1 18 * [0x12b1c000 - 0x12b1cfff] mem PCI: 00:0d.2 10 * [0x12b1d000 - 0x12b1dfff] mem PCI: 00:0f.0 10 * [0x12b1e000 - 0x12b1efff] mem PCI: 00:0f.1 10 * [0x12b1f000 - 0x12b1ffff] mem PCI: 00:0f.2 10 * [0x12b20000 - 0x12b20fff] mem PCI: 00:16.0 10 * [0x12b21000 - 0x12b21fff] mem PCI: 00:16.0 18 * [0x12b22000 - 0x12b22fff] mem PCI: 00:16.1 10 * [0x12b23000 - 0x12b23fff] mem PCI: 00:16.1 18 * [0x12b24000 - 0x12b24fff] mem PCI: 00:16.2 10 * [0x12b25000 - 0x12b25fff] mem PCI: 00:16.2 18 * [0x12b26000 - 0x12b26fff] mem PCI: 00:16.3 10 * [0x12b27000 - 0x12b27fff] mem PCI: 00:16.3 18 * [0x12b28000 - 0x12b28fff] mem PCI: 00:17.0 10 * [0x12b29000 - 0x12b29fff] mem PCI: 00:17.0 18 * [0x12b2a000 - 0x12b2afff] mem PCI: 00:17.1 10 * [0x12b2b000 - 0x12b2bfff] mem PCI: 00:17.1 18 * [0x12b2c000 - 0x12b2cfff] mem PCI: 00:18.0 10 * [0x12b2d000 - 0x12b2dfff] mem PCI: 00:18.0 18 * [0x12b2e000 - 0x12b2efff] mem PCI: 00:18.1 10 * [0x12b2f000 - 0x12b2ffff] mem PCI: 00:18.1 18 * [0x12b30000 - 0x12b30fff] mem PCI: 00:18.2 18 * [0x12b31000 - 0x12b31fff] mem PCI: 00:19.0 10 * [0x12b32000 - 0x12b32fff] mem PCI: 00:19.0 18 * [0x12b33000 - 0x12b33fff] mem PCI: 00:1b.0 10 * [0x12b34000 - 0x12b34fff] mem PCI: 00:1b.0 18 * [0x12b35000 - 0x12b35fff] mem PCI: 00:1c.0 10 * [0x12b36000 - 0x12b36fff] mem PCI: 00:1c.0 18 * [0x12b37000 - 0x12b37fff] mem PCI: 00:00.2 20 * [0x12b38000 - 0x12b381ff] mem PCI: 00:1f.1 10 * [0x12b39000 - 0x12b390ff] mem DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit efffffff mem (fixed) constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed) constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff Setting resources... DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff PCI: 00:02.0 20 * [0x1000 - 0x103f] io PCI: 00:1f.1 20 * [0x1040 - 0x105f] io DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff PCI: 00:02.0 18 * [0xb0000000 - 0xbfffffff] prefmem PCI: 00:02.0 10 * [0xc0000000 - 0xc0ffffff] mem PCI: 00:03.0 10 * [0xc1000000 - 0xc1ffffff] mem PCI: 00:00.2 18 * [0xc2000000 - 0xc27fffff] mem PCI: 00:00.2 10 * [0xc2800000 - 0xc28fffff] mem PCI: 00:0e.0 20 * [0xc2900000 - 0xc29fffff] mem PCI: 00:14.0 20 * [0xc2a00000 - 0xc2afffff] mem PCI: 00:15.0 10 * [0xc2b00000 - 0xc2b0ffff] mem PCI: 00:00.1 10 * [0xc2b10000 - 0xc2b17fff] mem PCI: 00:0e.0 10 * [0xc2b18000 - 0xc2b1bfff] mem PCI: 00:0d.1 18 * [0xc2b1c000 - 0xc2b1cfff] mem PCI: 00:0d.2 10 * [0xc2b1d000 - 0xc2b1dfff] mem PCI: 00:0f.0 10 * [0xc2b1e000 - 0xc2b1efff] mem PCI: 00:0f.1 10 * [0xc2b1f000 - 0xc2b1ffff] mem PCI: 00:0f.2 10 * [0xc2b20000 - 0xc2b20fff] mem PCI: 00:16.0 10 * [0xc2b21000 - 0xc2b21fff] mem PCI: 00:16.0 18 * [0xc2b22000 - 0xc2b22fff] mem PCI: 00:16.1 10 * [0xc2b23000 - 0xc2b23fff] mem PCI: 00:16.1 18 * [0xc2b24000 - 0xc2b24fff] mem PCI: 00:16.2 10 * [0xc2b25000 - 0xc2b25fff] mem PCI: 00:16.2 18 * [0xc2b26000 - 0xc2b26fff] mem PCI: 00:16.3 10 * [0xc2b27000 - 0xc2b27fff] mem PCI: 00:16.3 18 * [0xc2b28000 - 0xc2b28fff] mem PCI: 00:17.0 10 * [0xc2b29000 - 0xc2b29fff] mem PCI: 00:17.0 18 * [0xc2b2a000 - 0xc2b2afff] mem PCI: 00:17.1 10 * [0xc2b2b000 - 0xc2b2bfff] mem PCI: 00:17.1 18 * [0xc2b2c000 - 0xc2b2cfff] mem PCI: 00:18.0 10 * [0xc2b2d000 - 0xc2b2dfff] mem PCI: 00:18.0 18 * [0xc2b2e000 - 0xc2b2efff] mem PCI: 00:18.1 10 * [0xc2b2f000 - 0xc2b2ffff] mem PCI: 00:18.1 18 * [0xc2b30000 - 0xc2b30fff] mem PCI: 00:18.2 18 * [0xc2b31000 - 0xc2b31fff] mem PCI: 00:19.0 10 * [0xc2b32000 - 0xc2b32fff] mem PCI: 00:19.0 18 * [0xc2b33000 - 0xc2b33fff] mem PCI: 00:1b.0 10 * [0xc2b34000 - 0xc2b34fff] mem PCI: 00:1b.0 18 * [0xc2b35000 - 0xc2b35fff] mem PCI: 00:1c.0 10 * [0xc2b36000 - 0xc2b36fff] mem PCI: 00:1c.0 18 * [0xc2b37000 - 0xc2b37fff] mem PCI: 00:00.2 20 * [0xc2b38000 - 0xc2b381ff] mem PCI: 00:1f.1 10 * [0xc2b39000 - 0xc2b390ff] mem DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff PCI: 01:00.0 10 * [0xc2a00000 - 0xc2a01fff] mem PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64 PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64 PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64 PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0 PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2 PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64 PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64 PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PNP: 0c09.0 missing set_resources PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR3: base 800 size 100 LPC: Cannot open IO window: 900 size ff No more IO windows PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10 PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18 PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10 PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24 PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10 PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10 PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10 PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10 PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10 PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10 PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10 PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10 PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10 PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10 PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10 PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10 PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2958912 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 161 run 112694 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2138 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 0x7afff400 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7afff800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #1 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 469161 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2243 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2241 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2241 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2239 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2234 usecs PCI: 00:0d.1 init ... gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000 gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000 gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000 Disabling ACPI via APMC:Done. SLP S3 assertion width: 50000 usecs PCI: 00:0d.1 init finished in 27434 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2236 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2237 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2237 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2234 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2238 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6126 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6125 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6135 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6125 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6131 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6134 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2236 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2235 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3568 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2234 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2238 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 42267 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 4987 run 883363 exit 887 ELOG: Event(A1) added with size 10 at 2023-06-05 03:08:24 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-06-05 03:08:24 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 24958 run 3957 exit 5280 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 e332 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 818551 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 177 run 108295 exit 32967 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:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 10586064/tftp-deploy-2_d9fjis/kernel/bzImage 10586064/tftp-deploy-2_d9fjis/kernel/cmdline 10586064/tftp-deploy-2_d9fjis/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10586064/tftp-deploy-2_d9fjis/kernel/bzIploy-2_d9fjis/kernel/cmdline 10586064/tftp-deploy-2_d9fjis/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10586064/tftp-deploy-2_d9fjis/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 16543936 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 #####################################R8152: Packet is too large. Receive failed. R8152: Packet is too large. Receive failed. ########################### 00900000 ###################################################R8152: Packet is too large. Receive failed. ############# 00980000 ########################################################## done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 10586064/tftp-deploy-2_d9fjis/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/10586064/extract-nfsrootfs-n8dzbia9,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: 23263891 Starting kernel ... <5>[ 0.000000] Linux version 5.10.180-cip34 (KernelCI@build-j1607188-x86-64-gcc-10-x86-64-defconfig-x86-chromeborflw5) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Jun 5 02:47:39 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/10586064/extract-nfsrootfs-n8dzbia9,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>[ 0.000057] last_pfn = 0x180000 max_arch_pfn = 0x400000000 <6>[ 0.000310] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.001162] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 <6>[ 0.005279] check: Scanning 1 areas for low memory corruption <6>[ 0.005292] Using GB pages for direct mapping <6>[ 0.005891] RAMDISK: [mem 0x3760d000-0x37ffffff] <6>[ 0.005899] ACPI: Early table checksum verification disabled <6>[ 0.005908] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.005918] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005932] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005946] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) <6>[ 0.005956] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.005965] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.005974] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.005983] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005993] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006002] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006011] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) <6>[ 0.006021] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006031] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] <6>[ 0.006035] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] <6>[ 0.006039] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006043] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006047] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] <6>[ 0.006051] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] <6>[ 0.006055] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] <6>[ 0.006059] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] <6>[ 0.006063] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] <6>[ 0.006067] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] <6>[ 0.006189] No NUMA configuration found <6>[ 0.006194] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] <6>[ 0.006202] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] <6>[ 0.006248] Zone ranges: <6>[ 0.006253] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.006259] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.006265] Normal [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006271] Movable zone start for each node <6>[ 0.006275] Early memory node ranges <6>[ 0.006279] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.006283] node 0: [mem 0x0000000000100000-0x000000000fffffff] <6>[ 0.006287] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] <6>[ 0.006291] node 0: [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006297] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] <6>[ 0.006329] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.006379] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.012913] On node 0, zone DMA32: 8529 pages in unavailable ranges <6>[ 0.020222] On node 0, zone Normal: 22019 pages in unavailable ranges <6>[ 0.020254] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.020554] ACPI: PM-Timer IO Port: 0x408 <6>[ 0.020625] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.020640] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.020646] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) <6>[ 0.020659] Using ACPI (MADT) for SMP configuration information <6>[ 0.020664] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.020676] TSC deadline timer available <6>[ 0.020681] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.020712] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.020718] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.020723] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] <6>[ 0.020728] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] <6>[ 0.020732] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.020736] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] <6>[ 0.020739] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] <6>[ 0.020743] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] <6>[ 0.020747] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] <6>[ 0.020751] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] <6>[ 0.020755] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] <6>[ 0.020758] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] <6>[ 0.020766] [mem 0x80000000-0xcfffffff] available for PCI devices <6>[ 0.020775] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.031060] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.031685] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.031788] Built 1 zonelists, mobility grouping on. Total pages: 1002002 <6>[ 0.031796] Policy zone: Normal <5>[ 0.031814] 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/10586064/extract-nfsrootfs-n8dzbia9,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.032801] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.033243] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.033310] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.066572] Memory: 3861084K/4071724K available (22546K kernel code, 3698K rwdata, 9420K rodata, 2152K init, 14024K bss, 210380K reserved, 0K cma-reserved) <6>[ 0.066728] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.066787] Kernel/User page tables isolation: enabled <6>[ 0.066864] ftrace: allocating 61412 entries in 240 pages <6>[ 0.102253] ftrace: allocated 240 pages with 4 groups <6>[ 0.102601] Running RCU self tests <6>[ 0.102619] rcu: Hierarchical RCU implementation. <6>[ 0.102623] rcu: RCU event tracing is enabled. <6>[ 0.102627] rcu: RCU lockdep checking is enabled. <6>[ 0.102631] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.102635] Rude variant of Tasks RCU enabled. <6>[ 0.102639] Tracing variant of Tasks RCU enabled. <6>[ 0.102643] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.102648] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.110667] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.111107] random: crng init done <6>[ 0.111221] Console: colour dummy device 80x25 <6>[ 0.183427] printk: console [ttyS2] enabled <4>[ 0.183815] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.184486] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.184856] ... MAX_LOCK_DEPTH: 48 <4>[ 0.185240] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.185636] ... CLASSHASH_SIZE: 4096 <4>[ 0.186027] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.186435] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.186840] ... CHAINHASH_SIZE: 32768 <4>[ 0.187239] memory used by lock dependency info: 6365 kB <4>[ 0.187723] memory used for stack traces: 4224 kB <4>[ 0.188156] per task-struct memory footprint: 1920 bytes <6>[ 0.188693] ACPI: Core revision 20200925 <6>[ 0.189332] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns <6>[ 0.190205] APIC: Switch to symmetric I/O mode setup <6>[ 0.195197] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>[ 0.200195] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 0.201116] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) <6>[ 0.202103] pid_max: default: 32768 minimum: 301 <6>[ 0.203173] LSM: Security Framework initializing <6>[ 0.203622] SELinux: Initializing. <6>[ 0.204158] LSM support for eBPF active <6>[ 0.204554] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.205116] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.207307] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.207877] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 <6>[ 0.208103] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 <6>[ 0.208638] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.209105] Spectre V2 : Mitigation: Retpolines <6>[ 0.209512] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.210102] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.211103] Speculative Store Bypass: Vulnerable <4>[ 0.232484] ------------[ cut here ]------------ <4>[ 0.232928] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.232941] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.234103] Modules linked in: <4>[ 0.234397] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.180-cip34 #1 <4>[ 0.235103] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 0.235635] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.236105] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 88 e8 6f ad c6 05 d6 fd 46 02 01 e8 66 f7 13 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.237102] RSP: 0000:ffffffffada03de0 EFLAGS: 00010282 <4>[ 0.238102] RAX: 0000000000000000 RBX: ffffffffae61c84c RCX: 0000000000000000 <4>[ 0.239102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffab977c91 <4>[ 0.239728] RBP: ffffffffad37e900 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.240102] R10: ffffffffada8ff00 R11: 3fffffffffffffff R12: ffffffffae6353c8 <4>[ 0.240726] R13: cccccccccccccccc R14: ffffffffad37e905 R15: 0000000000000004 <4>[ 0.241104] FS: 0000000000000000(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 0.242102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.242606] CR2: ffff973290601000 CR3: 000000010ec26000 CR4: 00000000003506f0 <4>[ 0.243102] Call Trace: <4>[ 0.243347] ? lock_acquire+0xbf/0x280 <4>[ 0.243712] alternative_instructions+0x7d/0x143 <4>[ 0.244107] check_bugs+0xe9f/0xefb <4>[ 0.244446] start_kernel+0x517/0x54d <4>[ 0.245110] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.245582] irq event stamp: 108459 <4>[ 0.245907] hardirqs last enabled at (108467): [] console_unlock+0x4d1/0x5f0 <4>[ 0.246103] hardirqs last disabled at (108478): [] console_unlock+0x444/0x5f0 <4>[ 0.247106] softirqs last enabled at (108488): [] irq_enter_rcu+0x71/0x80 <4>[ 0.248103] softirqs last disabled at (108499): [] irq_enter_rcu+0x56/0x80 <4>[ 0.248840] ---[ end trace 5ea32422131ac846 ]--- <6>[ 0.258602] Freeing SMP alternatives memory: 48K <6>[ 0.259504] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) <6>[ 0.260818] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.261114] ... version: 4 <6>[ 0.261477] ... bit width: 48 <6>[ 0.261858] ... generic registers: 4 <6>[ 0.262104] ... value mask: 0000ffffffffffff <6>[ 0.262572] ... max period: 00007fffffffffff <6>[ 0.263051] ... fixed-purpose events: 3 <6>[ 0.263103] ... event mask: 000000070000000f <6>[ 0.264019] rcu: Hierarchical SRCU implementation. <6>[ 0.265791] smp: Bringing up secondary CPUs ... <6>[ 0.266836] x86: Booting SMP configuration: <6>[ 0.267116] .... node #0, CPUs: #1 #2 #3 <6>[ 0.270237] smp: Brought up 1 node, 4 CPUs <6>[ 0.271108] smpboot: Max logical packages: 1 <6>[ 0.271503] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) <6>[ 0.274104] devtmpfs: initialized <6>[ 0.274737] x86/mm: Memory block size: 128MB <6>[ 0.278478] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.279118] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.280262] pinctrl core: initialized pinctrl subsystem <6>[ 0.281671] PM: RTC time: 03:08:42, date: 2023-06-05 <6>[ 0.282632] NET: Registered protocol family 16 <6>[ 0.283718] audit: initializing netlink subsys (disabled) <5>[ 0.285151] audit: type=2000 audit(1685934522.089:1): state=initialized audit_enabled=0 res=1 <6>[ 0.285807] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.285807] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.285807] cpuidle: using governor menu <6>[ 0.287552] ACPI: bus type PCI registered <6>[ 0.288220] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) <6>[ 0.289032] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 <6>[ 0.290160] PCI: Using configuration type 1 for base access <6>[ 0.321444] Kprobes globally optimized <6>[ 0.322239] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.323111] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.324142] cryptomgr_test (39) used greatest stack depth: 14880 bytes left <6>[ 0.327482] ACPI: Added _OSI(Module Device) <6>[ 0.328124] ACPI: Added _OSI(Processor Device) <6>[ 0.328532] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.328952] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.329106] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.329515] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.329997] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.337300] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.343199] ACPI: EC: EC started <6>[ 0.343521] ACPI: EC: interrupt blocked <6>[ 0.344421] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.344882] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.346105] ACPI: Interpreter enabled <6>[ 0.346492] ACPI: (supports S0 S3 S5) <6>[ 0.346841] ACPI: Using IOAPIC for interrupt routing <6>[ 0.347154] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.348684] ACPI: Enabled 1 GPEs in block 00 to 7F <6>[ 0.352384] ACPI: Power Resource [PXP] (on) <6>[ 0.375346] ACPI: Power Resource [PRIC] (on) <6>[ 0.403512] ACPI: Power Resource [PRIC] (on) <6>[ 0.472921] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.474115] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.475179] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.476472] PCI host bridge to bus 0000:00 <6>[ 0.476849] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.477106] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] <6>[ 0.477707] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.478105] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] <6>[ 0.478759] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] <6>[ 0.480106] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.480670] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 <6>[ 0.481885] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 <6>[ 0.482143] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] <6>[ 0.483353] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 <6>[ 0.483908] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] <6>[ 0.485119] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] <6>[ 0.485726] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] <6>[ 0.486480] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 <6>[ 0.487033] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] <6>[ 0.488118] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] <6>[ 0.488756] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] <6>[ 0.489513] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 <6>[ 0.490116] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] <6>[ 0.491224] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 <6>[ 0.491795] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] <6>[ 0.492150] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] <6>[ 0.492869] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold <6>[ 0.494666] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 <6>[ 0.495142] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] <6>[ 0.495892] pci 0000:00:0f.0: PME# supported from D3hot <6>[ 0.496516] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 <6>[ 0.497267] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold <6>[ 0.498391] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 <6>[ 0.498956] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] <6>[ 0.499208] pci 0000:00:15.0: PME# supported from D3hot D3cold <6>[ 0.500302] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 <6>[ 0.500872] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] <6>[ 0.502127] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] <6>[ 0.503325] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 <6>[ 0.503899] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] <6>[ 0.504131] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] <6>[ 0.505338] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 <6>[ 0.505910] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] <6>[ 0.507128] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] <6>[ 0.508321] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 <6>[ 0.508895] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] <6>[ 0.509136] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] <6>[ 0.510354] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 <6>[ 0.510921] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] <6>[ 0.512129] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] <6>[ 0.513317] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 <6>[ 0.513889] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] <6>[ 0.514128] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] <6>[ 0.515342] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 <6>[ 0.515916] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] <6>[ 0.517133] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] <6>[ 0.518320] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 <6>[ 0.518894] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] <6>[ 0.519129] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] <6>[ 0.520335] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 <6>[ 0.520908] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] <6>[ 0.522129] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] <6>[ 0.523343] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 <6>[ 0.523915] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] <6>[ 0.524130] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] <6>[ 0.525361] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 <6>[ 0.525913] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] <6>[ 0.527124] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] <6>[ 0.528280] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 <6>[ 0.528840] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] <6>[ 0.529121] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] <6>[ 0.530395] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 <6>[ 0.531562] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 <6>[ 0.532173] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] <6>[ 0.532855] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] <6>[ 0.533957] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.535345] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] <6>[ 0.536507] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) <6>[ 0.537254] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) <6>[ 0.538787] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.540770] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 0.541117] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 0.548270] ACPI: EC: interrupt unblocked <6>[ 0.548648] ACPI: EC: event unblocked <6>[ 0.549012] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.550105] ACPI: EC: GPE=0x2b <6>[ 0.550396] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.551019] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.552573] iommu: Default domain type: Translated <6>[ 0.553296] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.553717] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.554126] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.554632] vgaarb: loaded <5>[ 0.555433] SCSI subsystem initialized <6>[ 0.556219] ACPI: bus type USB registered <6>[ 0.556704] usbcore: registered new interface driver usbfs <6>[ 0.558156] usbcore: registered new interface driver hub <6>[ 0.558673] usbcore: registered new device driver usb <6>[ 0.559210] mc: Linux media interface: v0.10 <6>[ 0.559635] videodev: Linux video capture interface: v2.00 <6>[ 0.560135] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.560576] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.561113] PTP clock support registered <6>[ 0.562346] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.563560] NetLabel: Initializing <6>[ 0.563883] NetLabel: domain hash size = 128 <6>[ 0.564105] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.564671] NetLabel: unlabeled traffic allowed by default <6>[ 0.565216] PCI: Using ACPI for IRQ routing <4>[ 0.597374] Expanded resource Reserved due to conflict with PCI Bus 0000:00 <6>[ 0.598146] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 <6>[ 0.598717] hpet0: 8 comparators, 64-bit 19.200000 MHz counter <6>[ 0.603206] clocksource: Switched to clocksource tsc-early <5>[ 0.986445] VFS: Disk quotas dquot_6.6.0 <6>[ 0.986856] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.987839] pnp: PnP ACPI init <6>[ 0.988807] system 00:00: [io 0x0900-0x09fe] has been reserved <6>[ 0.989583] system 00:01: [io 0x0200] has been reserved <6>[ 0.990075] system 00:01: [io 0x0204] has been reserved <6>[ 0.990556] system 00:01: [io 0x0800-0x087f] has been reserved <6>[ 0.991095] system 00:01: [io 0x0880-0x08ff] has been reserved <6>[ 0.993735] pnp: PnP ACPI: found 3 devices <6>[ 1.007483] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.008382] NET: Registered protocol family 2 <6>[ 1.008961] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.011020] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.012016] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.012941] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.015563] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.016643] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.017622] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.018501] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.019583] NET: Registered protocol family 1 <6>[ 1.020676] RPC: Registered named UNIX socket transport module. <6>[ 1.021256] RPC: Registered udp transport module. <6>[ 1.021677] RPC: Registered tcp transport module. <6>[ 1.022116] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.023242] NET: Registered protocol family 44 <6>[ 1.023672] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.024147] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.024755] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.025314] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] <6>[ 1.025860] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.026475] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] <6>[ 1.027087] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] <6>[ 1.027695] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] <6>[ 1.028448] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.031357] PCI: CLS 64 bytes, default 64 <6>[ 1.032097] Unpacking initramfs... <6>[ 1.302797] Freeing initrd memory: 10188K <6>[ 1.303266] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.303839] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) <6>[ 1.304837] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer <6>[ 1.305546] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.306069] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.306575] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.307091] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <3>[ 1.308729] kvm: already loaded the other module <6>[ 1.309177] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 1.310161] clocksource: Switched to clocksource tsc <6>[ 1.310696] platform rtc_cmos: registered platform RTC device (no PNP device found) <6>[ 1.313290] check: Scanning for low memory corruption every 60 seconds <5>[ 1.316090] Initialise system trusted keyrings <6>[ 1.316768] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.331867] NFS: Registering the id_resolver key type <5>[ 1.332404] Key type id_resolver registered <5>[ 1.332817] Key type id_legacy registered <5>[ 1.344449] Key type asymmetric registered <5>[ 1.344864] Asymmetric key parser 'x509' registered <6>[ 1.345377] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.346041] io scheduler mq-deadline registered <6>[ 1.346464] io scheduler kyber registered <4>[ 1.347046] test_firmware: interface ready <6>[ 1.348183] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 <6>[ 1.349751] ACPI: AC Adapter [AC] (on-line) <6>[ 1.350434] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.351974] ACPI: Lid Switch [LID0] <6>[ 1.352476] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 <6>[ 1.353352] ACPI: Power Button [PWRB] <6>[ 1.353842] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 <6>[ 1.354729] ACPI: Sleep Button [SLP] <6>[ 1.355238] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 <6>[ 1.356039] ACPI: Power Button [PWRF] <6>[ 1.356602] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.357671] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.358482] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.359269] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.361186] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 1.363646] Non-volatile memory driver v1.3 <6>[ 1.363838] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.364181] Linux agpgart interface v0.103 <6>[ 1.365417] [drm] amdgpu kernel modesetting enabled. <6>[ 1.368402] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.422233] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xfb38 <6>[ 1.423011] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) <6>[ 1.423765] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <4>[ 1.425049] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 <5>[ 1.425966] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. <5>[ 1.426983] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 <6>[ 1.471860] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.475568] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.488432] loop: module loaded <6>[ 1.489284] lkdtm: No crash points registered, enable through debugfs <6>[ 1.532954] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A <6>[ 1.536122] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A <6>[ 1.538795] printk: console [ttyS2] disabled <6>[ 1.539544] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A <6>[ 4.785809] printk: console [ttyS2] enabled <6>[ 4.785840] fbcon: i915drmfb (fb0) is primary device <4>[ 4.787818] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO <6>[ 4.795886] e100: Intel(R) PRO/100 Network Driver <6>[ 4.795889] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 4.795935] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.795936] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.796116] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.796117] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.796206] sky2: driver version 1.30 <6>[ 4.796430] usbcore: registered new interface driver r8152 <6>[ 4.796907] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.796935] ehci-pci: EHCI PCI platform driver <6>[ 4.796991] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 4.797004] ohci-pci: OHCI PCI platform driver <6>[ 4.797045] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 4.798210] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.798979] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 <6>[ 4.800339] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 4.800387] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported <6>[ 4.801780] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.802200] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 <6>[ 4.802212] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed <6>[ 4.802569] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 4.802582] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.802585] usb usb1: Product: xHCI Host Controller <6>[ 4.802587] usb usb1: Manufacturer: Linux 5.10.180-cip34 xhci-hcd <6>[ 4.802589] usb usb1: SerialNumber: 0000:00:15.0 <6>[ 4.803658] hub 1-0:1.0: USB hub found <6>[ 4.803754] hub 1-0:1.0: 8 ports detected <6>[ 4.805256] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 4.805260] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.805262] usb usb2: Product: xHCI Host Controller <6>[ 4.805265] usb usb2: Manufacturer: Linux 5.10.180-cip34 xhci-hcd <6>[ 4.805267] usb usb2: SerialNumber: 0000:00:15.0 <6>[ 4.805922] hub 2-0:1.0: USB hub found <6>[ 4.805958] hub 2-0:1.0: 7 ports detected <6>[ 4.807160] usbcore: registered new interface driver usblp <6>[ 4.807207] usbcore: registered new interface driver usb-storage <6>[ 4.807580] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 4.807685] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 4.807687] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 4.808297] i8042: Warning: Keylock active <6>[ 4.808538] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 4.810459] rtc_cmos rtc_cmos: RTC can wake from S4 <6>[ 4.812403] rtc_cmos rtc_cmos: registered as rtc0 <6>[ 4.812552] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram <6>[ 4.813099] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 <4>[ 4.814682] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A <4>[ 4.814686] i801_smbus 0000:00:1f.1: PCI INT A: no GSI <6>[ 4.814720] i801_smbus 0000:00:1f.1: SPD Write Disable is set <3>[ 4.814775] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) <3>[ 4.814793] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 <6>[ 4.814795] i801_smbus 0000:00:1f.1: SMBus using polling <6>[ 4.815669] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 4.815717] intel_pstate: Intel P-state driver initializing <6>[ 4.818258] sdhci: Secure Digital Host Controller Interface driver <6>[ 4.818265] sdhci: Copyright(c) Pierre Ossman <6>[ 4.818446] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 4.824757] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) <6>[ 4.831836] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit <6>[ 4.832750] hid: raw HID events driver (C) Jiri Kosina <6>[ 4.834957] usbcore: registered new interface driver usbhid <6>[ 4.834962] usbhid: USB HID core driver <6>[ 4.836889] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 <6>[ 4.840014] Console: switching to colour frame buffer device 240x67 <6>[ 4.843538] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 4.846584] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 4.850926] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 4.851193] netem: version 1.3 <6>[ 4.851672] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 4.852968] IPv4 over IPsec tunneling driver <6>[ 4.854159] Initializing XFRM netlink socket <6>[ 4.856550] NET: Registered protocol family 10 <6>[ 4.860625] Segment Routing with IPv6 <6>[ 4.864285] NET: Registered protocol family 17 <6>[ 4.865815] 8021q: 802.1Q VLAN Support v1.8 <5>[ 4.866149] Key type dns_resolver registered <3>[ 4.869822] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up <6>[ 4.873316] microcode: sig=0x506c9, pf=0x1, revision=0x2c <6>[ 4.877819] microcode: Microcode Update Driver: v2.2. <6>[ 4.883594] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 4.891556] IPI shorthand broadcast: enabled <6>[ 5.049367] usb 1-5: new high-speed USB device number 2 using xhci_hcd <6>[ 5.052356] sched_clock: Marking stable (4967056414, 85052494)->(5042695917, 9412991) <6>[ 5.153119] mmc0: new HS400 MMC card at address 0001 <6>[ 5.175631] registered taskstats version 1 <6>[ 5.183691] mmcblk0: mmc0:0001 TA2964 58.3 GiB <5>[ 5.186228] Loading compiled-in X.509 certificates <6>[ 5.194394] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB <3>[ 5.205359] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: did not complete or timeout within 10ms (status 0xad4003ff) <6>[ 5.212087] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB <6>[ 5.216198] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.224723] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.227482] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0) <6>[ 5.240711] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 <6>[ 5.241175] PM: Magic number: 11:753:107 <6>[ 5.551025] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 5.551286] printk: console [netcon0] enabled <6>[ 5.559366] usb 1-5: Product: USB2.0 HD UVC WebCam <6>[ 5.564568] netconsole: network logging started <6>[ 5.575752] usb 1-5: Manufacturer: Quanta <6>[ 5.580594] usb 1-5: SerialNumber: 0x0001 <6>[ 5.590685] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.594096] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.617289] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.638229] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.659838] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.669360] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.677710] usb 2-5: Product: USB 10/100/1000 LAN <6>[ 5.683338] usb 2-5: Manufacturer: Realtek <6>[ 5.688269] usb 2-5: SerialNumber: 001000001 <6>[ 5.701305] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.773124] usb 1-6: new full-speed USB device number 3 using xhci_hcd <6>[ 5.910777] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.920357] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.936147] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.024033] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.069712] r8152 2-5:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.108211] r8152 2-5:1.0 eth0: v1.11.11 <6>[ 6.114112] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 7.814599] r8152 2-5:1.0 eth0: carrier on <6>[ 7.816392] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 7.828195] Sending DHCP requests .., OK <6>[ 10.677287] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 <6>[ 10.686625] IP-Config: Complete: <6>[ 10.690577] device=eth0, hwaddr=00:e0:4c:75:01:bd, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.702623] host=asus-c523na-a20057-coral-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 10.712117] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.712125] nameserver0=192.168.201.1 <5>[ 10.726148] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.749996] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 10.766130] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 10.774209] ALSA device list: <4>[ 10.778771] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.780290] No soundcards found. <6>[ 10.788918] cfg80211: failed to load regulatory.db <4>[ 10.800574] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console <6>[ 10.822600] Freeing unused kernel image (initmem) memory: 2152K <6>[ 10.840555] Write protecting the kernel read-only data: 34816k <6>[ 10.851778] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.861160] Freeing unused kernel image (rodata/data gap) memory: 820K <6>[ 10.869241] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 10.962446] systemd-udevd (124) used greatest stack depth: 13592 bytes left <6>[ 11.944452] chromeos ramoops using acpi device. <6>[ 11.950230] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.973131] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 12.002630] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 12.015274] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 12.021134] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator <4>[ 12.033612] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 12.053837] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <4>[ 12.065684] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator <6>[ 12.106862] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 12.143425] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <4>[ 12.155807] da7219 i2c-DLGS7219:00: Invalid micbias pulse level <6>[ 12.164549] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.181017] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.334181] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.337564] Registered efivars operations <6>[ 12.347544] gsmi version 1.0 loaded <3>[ 13.156462] i2c_designware i2c_designware.5: controller timed out <6>[ 13.173418] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count <6>[ 13.185143] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 13.204672] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 13.218967] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090) <6>[ 13.222509] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 13.237435] 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>[ 13.252864] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 13.255134] usbcore: registered new interface driver uvcvideo <6>[ 13.268195] USB Video Class driver (1.1.1) <6>[ 13.288529] udevadm (146) 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:75:01:bd mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 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-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 13.485377] nfsmount (172) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 15.159176] 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>[ 15.200931] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 15.240151] systemd[1]: Set hostname to . <6>[ 15.667952] systemd-sysv-ge (196) used greatest stack depth: 12552 bytes left <30>[ 16.530810] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 16.549238] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 16.565918] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 16.584498] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 16.603347] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 16.621934] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 16.642624] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 16.664824] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 16.688895] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 16.705862] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 16.717734] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 16.734745] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 16.746781] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 16.759755] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 16.781948] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 16.801334] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 16.820586] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 16.838339] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 16.860635] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 16.878195] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 16.902000] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 16.925625] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 16.953494] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 16.976899] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 17.007327] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 17.034266] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 17.068986] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 17.090165] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <6>[ 17.113400] mount (200) used greatest stack depth: 12528 bytes left <30>[ 17.119752] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 17.147168] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 17.181558] fuse: init (API version 7.32) <30>[ 17.184381] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 17.206363] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 17.232369] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 17.265140] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 17.283926] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 17.302565] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 17.319635] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 17.341475] 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>[ 17.368930] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 17.378599] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 17.399030] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 17.407808] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 17.427042] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 17.436391] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 17.455961] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 17.473487] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 17.498656] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 17.522139] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 17.545717] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 17.556584] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 17.574429] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 17.596171] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 17.632805] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 17.653710] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 17.679380] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. <30>[ 17.701270] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 17.727384] systemd[1]: Condition check resulted in First Boot Complete being skipped. <30>[ 17.765268] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. <30>[ 17.870702] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. <30>[ 17.892830] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... <30>[ 17.987295] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. <46>[ 18.101477] systemd-journald[208]: Received client request to flush runtime journal. 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 ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ 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 5.10.180-cip34 #1 SMP Mon Jun 5 02:47:39 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/10586064/extract-nfsrootfs-n8dzbia9' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10586064/extract-nfsrootfs-n8dzbia9' / # 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-10586064/environment . /lava-10586064/environment / # /lava-10586064/bin/lava-test-runner /lava-10586064/0 /lava-10586064/bin/lava-test-runner /lava-10586064/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10586064/0/tests/0_timesync-off ++ cat uuid + UUID=10586064_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-10586064/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10586064_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/v5.10.180-cip34-19-gae79bc689058c/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 --2023-06-05 03:09:09-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-19-gae79bc689058c/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3596384 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 162KB/s kselftest.tar.xz 6%[> ] 216.08K 374KB/s kselftest.tar.xz 25%[====> ] 890.59K 1.11MB/s kselftest.tar.xz 40%[=======> ] 1.38M 1.13MB/s kselftest.tar.xz 100%[===================>] 3.43M 2.55MB/s in 1.3s 2023-06-05 03:09:11 (2.55 MB/s) - 'kselftest.tar.xz' saved [3596384/3596384] 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>[ 41.990885] 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>[ 42.866259] lkdtm: Performing direct entry BUG <4>[ 42.871875] ------------[ cut here ]------------ <2>[ 42.877429] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 42.883770] invalid opcode: 0000 [#1] SMP PTI <4>[ 42.888955] CPU: 3 PID: 637 Comm: cat Tainted: G W 5.10.180-cip34 #1 <4>[ 42.897822] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 42.904745] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.909429] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 42.930732] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 42.936874] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.945156] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 42.953438] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.961717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.969989] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 42.978260] FS: 00007fab087fe580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 <4>[ 42.987606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.994326] CR2: 00007fab08608000 CR3: 000000010649c000 CR4: 00000000003506e0 <4>[ 43.002596] Call Trace: <4>[ 43.005630] direct_entry.cold+0x2c/0x38 <4>[ 43.010317] full_proxy_write+0x56/0x80 <4>[ 43.014906] vfs_write+0xea/0x3b0 <4>[ 43.018908] ksys_write+0x68/0xf0 <4>[ 43.022915] do_syscall_64+0x33/0x40 <4>[ 43.027213] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.033168] RIP: 0033:0x7fab08714473 <4>[ 43.037471] 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>[ 43.058781] RSP: 002b:00007fffb5659f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.067559] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fab08714473 <4>[ 43.075841] RDX: 0000000000000004 RSI: 00007fab08608000 RDI: 0000000000000001 <4>[ 43.084111] RBP: 00007fab08608000 R08: 00007fab08607010 R09: 0000000000000000 <4>[ 43.092387] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.100669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.108959] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <0>[ 43.151081] gsmi: Log Shutdown Reason 0x03 <4>[ 43.156276] ---[ end trace 5ea32422131ac848 ]--- <4>[ 43.161928] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.166829] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 43.188289] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 43.194575] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.202927] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 43.211344] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.219712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.228134] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 43.236502] FS: 00007fab087fe580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 <4>[ 43.245959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.252752] CR2: 00007fab08608000 CR3: 000000010649c000 CR4: 00000000003506e0 # Segmentation fault # [ 42.866259] lkdtm: Performing direct entry BUG # [ 42.871875] ------------[ cut here ]------------ # [ 42.877429] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 42.883770] invalid opcode: 0000 [#1] SMP PTI # [ 42.888955] CPU: 3 PID: 637 Comm: cat Tainted: G W 5.10.180-cip34 #1 # [ 42.897822] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 42.904745] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.909429] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 42.930732] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 42.936874] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.945156] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 42.953438] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 42.961717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.969989] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 42.978260] FS: 00007fab087fe580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 # [ 42.987606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.994326] CR2: 00007fab08608000 CR3: 000000010649c000 CR4: 00000000003506e0 # [ 43.002596] Call Trace: # [ 43.005630] direct_entry.cold+0x2c/0x38 # [ 43.010317] full_proxy_write+0x56/0x80 # [ 43.014906] vfs_write+0xea/0x3b0 # [ 43.018908] ksys_write+0x68/0xf0 # [ 43.022915] do_syscall_64+0x33/0x40 # [ 43.027213] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.033168] RIP: 0033:0x7fab08714473 # [ 43.037471] 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 # [ 43.058781] RSP: 002b:00007fffb5659f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.067559] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fab08714473 # [ 43.075841] RDX: 0000000000000004 RSI: 00007fab08608000 RDI: 0000000000000001 # [ 43.084111] RBP: 00007fab08608000 R08: 00007fab08607010 R09: 0000000000000000 # [ 43.092387] R10: fffffffffffffbc5 R11: 0<6>[ 43.544330] lkdtm: Performing direct entry WARNING 000000000000246 R12: 0000000000000001 # [ 43.100669] R13: 000<4>[ 43.553820] ------------[ cut here ]------------ <4>[ 43.565542] WARNING: CPU: 0 PID: 674 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 43.575300] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 43.621678] CPU: 0 PID: 674 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 43.630566] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 43.637521] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 43.642712] 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 00 7b ea 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 e1 7a <4>[ 43.664044] RSP: 0018:ffff9bd2412efe60 EFLAGS: 00010202 43.108959] Modules linked in: fuse ip_tables uvcvideo videobuf2<4>[ 43.670216] RAX: ffffffffac3790c0 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 43.684726] RDX: 0000000000000000 RSI: ffff9732fbc1bf70 RDI: ffffffffad37e480 <4>[ 43.693026] RBP: ffffffffad801187 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.701332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 43.709625] R13: ffff9bd2412eff10 R14: ffff9bd2412eff10 R15: ffff9732830da000 <4>[ 43.717933] FS: 00007f1f3cd08580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 43.727311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.734047] CR2: 00007f1f3cb12000 CR3: 00000001037f4000 CR4: 00000000003506f0 <4>[ 43.742335] Call Trace: <4>[ 43.745391] direct_entry.cold+0x2c/0x38 <4>[ 43.750118] full_proxy_write+0x56/0x80 <4>[ 43.754727] vfs_write+0xea/0x3b0 <4>[ 43.758757] ksys_write+0x68/0xf0 <4>[ 43.762785] do_syscall_64+0x33/0x40 <4>[ 43.767111] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.773085] RIP: 0033:0x7f1f3cc1e473 <4>[ 43.777394] 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>[ 43.798723] RSP: 002b:00007fffa4ba6b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.807509] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f1f3cc1e473 <4>[ 43.815806] RDX: 0000000000000008 RSI: 00007f1f3cb12000 RDI: 0000000000000001 _vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbp<4>[ 43.824114] RBP: 00007f1f3cb12000 R08: 00007f1f3cb11010 R09: 0000000000000000 <4>[ 43.838602] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.846911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.855225] irq event stamp: 0 <4>[ 43.858958] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.866295] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 43.875773] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 43.885261] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.892609] ---[ end trace 5ea32422131ac849 ]--- d_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 43.151081] gsmi: Log Shutdown Reason 0x03 # [ 43.156276] ---[ end trace 5ea32422131ac848 ]--- # [ 43.161928] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.166829] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 43.188289] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 43.194575] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.202927] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 43.211344] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 43.219712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.228134] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 43.236502] FS: 00007fab087fe580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 # [ 43.245959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.252752] CR2: 00007fab08608000 CR3: 000000010649c000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 43.544330] lkdtm: Performing direct entry WARNING # [ 43.553820] ------------[ cut here ]------------ # [ 43.565542] WARNING: CPU: 0 PID: 674 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 43.575300] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 43.621678] CPU: 0 PID: 674 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 43.630566] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.637521] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 43.642712] 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 00 7b ea 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 e1 7a # [ 43.664044] RSP: 0018:ffff9bd2412efe60 EFLAGS: 00010202 # [ 43.670216] RAX: ffffffffac3790c0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 43.684726] RD<6>[ 44.155644] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 44.166014] ------------[ cut here ]------------ <4>[ 44.171503] Warning message trigger count: 2 X: 0000000000000000 RSI: ffff9732fbc1bf70 RDI: ffffffffad37e480 <4>[ 44.176690] WARNING: CPU: 2 PID: 709 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.693026] RBP: ffffffffad801187 R08: 0000000000000000 R0<4>[ 44.193417] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 44.239814] CPU: 2 PID: 709 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 44.248696] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.255634] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 44.261606] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 7a ea 02 48 c7 c7 e8 16 80 ad 8d 70 01 89 35 d1 7a ea 02 e8 bb d5 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 44.282963] RSP: 0018:ffff9bd24135fe60 EFLAGS: 00010286 <4>[ 44.289125] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 44.297412] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 <4>[ 44.305724] RBP: ffffffffad80118f R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.314022] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 44.322322] R13: ffff9bd24135ff10 R14: ffff9bd24135ff10 R15: ffff973282725000 <4>[ 44.330620] FS: 00007f6cb99d2580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 44.339993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.346733] CR2: 00007f6cb97dc000 CR3: 000000010591a000 CR4: 00000000003506e0 <4>[ 44.355021] Call Trace: <4>[ 44.358078] direct_entry.cold+0x2c/0x38 <4>[ 44.362786] full_proxy_write+0x56/0x80 <4>[ 44.367406] vfs_write+0xea/0x3b0 <4>[ 44.371434] ksys_write+0x68/0xf0 <4>[ 44.375461] do_syscall_64+0x33/0x40 <4>[ 44.379780] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.385743] RIP: 0033:0x7f6cb98e8473 <4>[ 44.390054] 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>[ 44.411396] RSP: 002b:00007ffc8c3cfe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 9: 0000000000000000 # [ 43.701332] R10: 00000000ffffe000 R11:<4>[ 44.420189] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f6cb98e8473 <4>[ 44.434731] RDX: 0000000000000010 RSI: 00007f6cb97dc000 RDI: 0000000000000001 3fffffffffffffff R12: 0000000000000008 # [ 43.709625] R13: f<4>[ 44.443046] RBP: 00007f6cb97dc000 R08: 00007f6cb97db010 R09: 0000000000000000 fff9bd2412eff10 R14: ffff9bd2412eff10 R15: ffff9732830da000 # [<4>[ 44.457541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.472043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.480347] irq event stamp: 0 <4>[ 44.484081] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.491408] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 44.500884] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 44.510392] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.517746] ---[ end trace 5ea32422131ac84a ]--- 43.717933] FS: 00007f1f3cd08580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 43.727311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.734047] CR2: 00007f1f3cb12000 CR3: 00000001037f4000 CR4: 00000000003506f0 # [ 43.742335] Call Trace: # [ 43.745391] direct_entry.cold+0x2c/0x38 # [ 43.750118] full_proxy_write+0x56/0x80 # [ 43.754727] vfs_write+0xea/0x3b0 # [ 43.758757] ksys_write+0x68/0xf0 # [ 43.762785] do_syscall_64+0x33/0x40 # [ 43.767111] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.773085] RIP: 0033:0x7f1f3cc1e473 # [ 43.777394] 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 # [ 43.798723] RSP: 002b:00007fffa4ba6b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.807509] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f1f3cc1e473 # [ 43.815806] RDX: 0000000000000008 RSI: 00007f1f3cb12000 RDI: 0000000000000001 # [ 43.824114] RBP: 00007f1f3cb12000 R08: 00007f1f3cb11010 R09: 0000000000000000 # [ 43.838602] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.846911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.855225] irq event stamp: 0 # [ 43.858958] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.866295] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 43.875773] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 43.885261] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.892609] ---[ end trace 5ea32422131ac849 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 44.155644] lkdtm: Performing direct entry WARNING_MESSAGE # [ 44.166014] ------------[ cut here ]------------ # [ 44.171503] Warning message trigger count: 2 # [ 44.176690] WARNING: CPU: 2 PID: 709 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.193417] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 44.2398<6>[ 44.766209] lkdtm: Performing direct entry EXCEPTION <1>[ 44.778009] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.786102] #PF: supervisor write access in kernel mode <1>[ 44.792244] #PF: error_code(0x0002) - not-present page <6>[ 44.798287] PGD 0 P4D 0 <4>[ 44.801422] Oops: 0002 [#2] SMP PTI <4>[ 44.805617] CPU: 2 PID: 741 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 44.814463] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.821386] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 44.826658] Code: 48 c7 c7 e8 16 80 ad 8d 70 01 89 35 d1 7a ea 02 e8 bb d5 67 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>[ 44.847952] RSP: 0018:ffff9bd2413d7e60 EFLAGS: 00010282 <4>[ 44.854088] RAX: ffffffffac379110 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 44.862357] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffffffffad37e4a0 <4>[ 44.870624] RBP: ffffffffad6f5967 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.878891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 44.887158] R13: ffff9bd2413d7f10 R14: ffff9bd2413d7f10 R15: ffff9732827e2000 <4>[ 44.895427] FS: 00007f3d067ec580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 44.904764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.911483] CR2: 0000000000000000 CR3: 000000010654e000 CR4: 00000000003506e0 <4>[ 44.919755] Call Trace: <4>[ 44.922789] direct_entry.cold+0x2c/0x38 <4>[ 44.927479] full_proxy_write+0x56/0x80 <4>[ 44.932065] vfs_write+0xea/0x3b0 <4>[ 44.936065] ksys_write+0x68/0xf0 <4>[ 44.940067] do_syscall_64+0x33/0x40 <4>[ 44.944356] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.950298] RIP: 0033:0x7f3d06702473 <4>[ 44.954593] 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>[ 44.975888] RSP: 002b:00007fff78229538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.984652] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3d06702473 <4>[ 44.992923] RDX: 000000000000000a RSI: 00007f3d065f6000 RDI: 0000000000000001 <4>[ 45.001193] RBP: 00007f3d065f6000 R08: 00007f3d065f5010 R09: 0000000000000000 <4>[ 45.009461] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.017736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.026020] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 45.066175] CR2: 0000000000000000 <4>[ 45.070167] ---[ end trace 5ea32422131ac84b ]--- 14] CPU: 2 PID: 709 Comm: cat Tainted: G D W 5.10.1<4>[ 45.075629] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.086523] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 45.107833] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 45.113977] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.122263] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 45.130546] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.138824] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.147116] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 45.155403] FS: 00007f3d067ec580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 45.164764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.171485] CR2: 0000000000000000 CR3: 000000010654e000 CR4: 00000000003506e0 <3>[ 45.179781] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.190011] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 741, name: cat <4>[ 45.198686] INFO: lockdep is turned off. <4>[ 45.203376] irq event stamp: 0 <4>[ 45.207092] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.214405] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.223855] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.233295] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.240597] CPU: 2 PID: 741 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 45.249454] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 45.256367] Call Trace: <4>[ 45.259406] dump_stack+0x77/0x9b <4>[ 45.263415] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.268298] exit_signals+0x1c/0x300 <4>[ 45.272592] do_exit+0xc2/0xab0 <4>[ 45.276408] ? ksys_write+0x68/0xf0 <4>[ 45.280605] make_task_dead+0x2f/0x30 <4>[ 45.285009] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.290575] RIP: 0033:0x7f3d06702473 <4>[ 45.294871] 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>[ 45.316206] RSP: 002b:00007fff78229538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.324968] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3d06702473 <4>[ 45.333244] RDX: 000000000000000a RSI: 00007f3d065f6000 RDI: 0000000000000001 <4>[ 45.341531] RBP: 00007f3d065f6000 R08: 00007f3d065f5010 R09: 0000000000000000 <4>[ 45.349813] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.358097] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 80-cip34 #1 # [ 44.248696] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.255634] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.261606] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 7a ea 02 48 c7 c7 e8 16 80 ad 8d 70 01 89 35 d1 7a ea 02 e8 bb d5 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 44.282963] RSP: 0018:ffff9bd24135fe60 EFLAGS: 00010286 # [ 44.289125] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 44.297412] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 # [ 44.305724] RBP: ffffffffad80118f R08: 0000000000000000 R09: 0000000000000000 # [ 44.314022] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 44.322322] R13: ffff9bd24135ff10 R14: ffff9bd24135ff10 R15: ffff973282725000 # [ 44.330620] FS: 00007f6cb99d2580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 44.339993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.346733] CR2: 00007f6cb97dc000 CR3: 000000010591a000 CR4: 00000000003506e0 # [ 44.355021] Call Trace: # [ 44.358078] direct_entry.cold+0x2c/0x38 # [ 44.362786] full_proxy_write+0x56/0x80 # [ 44.367406] vfs_write+0xea/0x3b0 # [ 44.371434] ksys_write+0x68/0xf0 # [ 44.375461] do_syscall_64+0x33/0x40 # [ 44.379780] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.385743] RIP: 0033:0x7f6cb98e8473 # [ 44.390054] 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 # [ 44.411396] RSP: 002b:00007ffc8c3cfe48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.420189] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f6cb98e8473 # [ 44.434731] RDX: 0000000000000010 RSI: 00007f6cb97dc000 RDI: 0000000000000001 # [ 44.443046] RBP: 00007f6cb97dc000 R08: 00007f6cb97db010 R09: 0000000000000000 # [ 44.457541] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.472043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.480347] irq event stamp: 0 # [ 44.484081] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.491408] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 44.500884] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 44.510392] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.517746] ---[ end trace 5ea32422131ac84a ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 44.766209] lkdtm: Performing direct entry EXCEPTION # [ 44.778009] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 44.786102] #PF: supervisor write access in kernel mode # [ 44.792244] #PF: error_code(0x0002) - not-present page # [ 44.798287] PGD 0 P4D 0 # [ 44.801422] Oops: 0002 [#2] SMP PTI # [ 44.805617] CPU: 2 PID: 741 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 44.814463] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.821386] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 44.826658] Code: 48 c7 c7 e8 16 80 ad 8d 70 01 89 35 d1 7a ea 02 e8 bb d5 67 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 # [ 44.847952] RSP: 0018:ffff9bd2413d7e60 EFLAGS: 00010282 # [ 44.854088] RAX: ffffffffac379110 RBX: 0000000000000004 RCX: 0000000000000000 # [ 44.862357] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffffffffad37e4a0 # [ 44.870624] RBP: ffffffffad6f5967 R08: 0000000000000000 R09: 0000000000000000 # [ 44.878891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 44.887158] R13: ffff9bd2413d7f10 R14: ffff9bd2413d7f10 R15: ffff9732827e2000 # [ 44.895427] FS: 00007f3d067ec580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 44.904764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.911483] CR2: 0000000000000000 CR3: 000000010654e000 CR4: 00000000003506e0 # [ 44.919755] Call Trace: # [ 44.922789] direct_entry.cold+0x2c/0x38 # [ 44.927479] full_proxy_write+0x56/0x80 # [ 44.932065] vfs_write+0xea/0x3b0 # [ 44.936065] ksys_write+0x68/0xf0 # [ 44.940067] do_syscall_64+0x33/0x40 # [ 44.944356] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.950298] RIP: 0033:0x7f3d06702473 # [ 44.954593] 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 # [ 44.975888] RSP: 002b:00007fff78229538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.984652] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3d06702473 # [ 44.992923] RDX: 000000000000000a RSI: 00007f3d065f6000 RDI: 0000000000000001 # [ 45.001193] RBP: 00007f3d065f6000 R08: 00007f3d065f5010 R09: 0000000000000000 # [ 45.009461] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.017736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.026020] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 45.066175] CR2: 0000000000000000 # [ 45.070167] ---[ end trace 5ea32422131ac84b ]--- # [ 45.075629] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.086523] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 45.107833] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 45.113977] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.122263] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 45.130546] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 45.138824] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.147116] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 45.155403] FS: 00007f3d067ec580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 45.164764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.171485] CR2: 0000000000000000 CR3: 000000010654e000 CR4: 00000000003506e0 # [ 45.179781] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 45.190011] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 741, name: cat # [ 45.198686] INFO: lockdep is turned off. # [ 45.203376] irq event stamp: 0 # [ 45.207092] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.214405] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 45.223855] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 45.233295] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.240597] CPU: 2 PID: 741 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 45.249454] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.256367] Call Trace: # [ 45.259406] dump_stack+0x77/0x9b # [ 45.263415] ___might_sleep.cold+0xa6/0xb6 # [ 45.268298] exit_signals+0x1c/0x300 # [ 45.272592] do_exit+0xc2/0xab0 # [ 45.276408] ? ksys_write+0x68/0xf0 # [ 45.280605] make_task_dead+0x2f/0x30 # [ 45.285009] rewind_stack_and_make_dead+0x17/0x20 # [ 45.290575] RIP: 0033:0x7f3d06702473 # [ 45.294871] 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 # [ 45.316206] RSP: 002b:00007fff78229538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.324968] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3d06702473 # [ 45.333244] RDX: 000000000000000a RSI: 00007f3d065f6000 RDI: 0000000000000001 # [ 45.341531] RBP: 00007f3d065f6000 R08: 00007f3d065f5010 R09: 0000000000000000 # [ 45.349813] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.358097] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION:<6>[ 46.208564] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 46.220392] lkdtm: attempting good list addition <6>[ 46.225886] lkdtm: attempting corrupted list addition <3>[ 46.231867] lkdtm: list_add() corruption not detected! 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 # [ 46.208564] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 46.220392] lkdtm: attempting good list addition # [ 46.225886] lkdtm: attempting corrupted list addition # [ 46.231867] 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>[ 46.482174] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 46.488749] lkdtm: attempting good list removal <6>[ 46.494149] lkdtm: attempting corrupted list removal <3>[ 46.500035] lkdtm: list_del() corruption not detected! # [ 46.482174] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 46.488749] lkdtm: attempting good list removal # [ 46.494149] lkdtm: attempting corrupted list removal # [ 46.500035] 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>[ 46.739775] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 46.747133] lkdtm: attempting bad read from page below current stack <0>[ 46.754603] BUG: stack guard page was hit at 000000005d2dec43 (stack is 00000000f7aac19e..00000000803188f7) <4>[ 46.765829] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 46.772960] CPU: 2 PID: 966 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 46.781820] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.788760] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 46.795602] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 88 1a 80 ad 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 94 de fb ff 48 c7 c7 c8 1a 80 ad <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 7a de fb ff 0f 1f 44 <4>[ 46.816955] RSP: 0018:ffff9bd24170fe50 EFLAGS: 00010246 <4>[ 46.823108] RAX: 0000000000000038 RBX: ffff9bd24170c000 RCX: 0000000000000000 <4>[ 46.831402] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffffffffad801ac8 <4>[ 46.839699] RBP: ffffffffad8011f2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.847986] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 46.856282] R13: ffff9bd24170ff10 R14: ffff9bd24170ff10 R15: ffff973283398000 <4>[ 46.864581] FS: 00007f10e6a68580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 46.873938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.880674] CR2: ffff9bd24170bfff CR3: 0000000106028000 CR4: 00000000003506e0 <4>[ 46.888964] Call Trace: <4>[ 46.892006] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 <4>[ 46.897384] direct_entry.cold+0x2c/0x38 <4>[ 46.902075] full_proxy_write+0x56/0x80 <4>[ 46.906675] vfs_write+0xea/0x3b0 <4>[ 46.910687] ksys_write+0x68/0xf0 <4>[ 46.914704] do_syscall_64+0x33/0x40 <4>[ 46.919006] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.924960] RIP: 0033:0x7f10e697e473 <4>[ 46.929257] 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>[ 46.950579] RSP: 002b:00007ffd6cb8e298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.959350] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f10e697e473 <4>[ 46.967623] RDX: 0000000000000019 RSI: 00007f10e6872000 RDI: 0000000000000001 <4>[ 46.975895] RBP: 00007f10e6872000 R08: 00007f10e6871010 R09: 0000000000000000 <4>[ 46.984178] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.992445] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.000737] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 47.040963] ---[ end trace 5ea32422131ac84c ]--- <4>[ 47.046433] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.051116] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 47.072458] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 47.078614] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.086909] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 47.095197] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.103478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.111764] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 47.120054] FS: 00007f10e6a68580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 47.129420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.136155] CR2: ffff9bd24170bfff CR3: 0000000106028000 CR4: 00000000003506e0 <3>[ 47.144453] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 47.154701] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 966, name: cat <4>[ 47.163385] INFO: lockdep is turned off. <4>[ 47.168068] irq event stamp: 0 <4>[ 47.171780] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.179101] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 47.188569] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 47.198018] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.205328] CPU: 2 PID: 966 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 47.214214] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 47.221148] Call Trace: <4>[ 47.224188] dump_stack+0x77/0x9b <4>[ 47.228205] ___might_sleep.cold+0xa6/0xb6 <4>[ 47.233099] exit_signals+0x1c/0x300 <4>[ 47.237406] do_exit+0xc2/0xab0 <4>[ 47.241223] ? ksys_write+0x68/0xf0 <4>[ 47.245431] make_task_dead+0x2f/0x30 <4>[ 47.249834] rewind_stack_and_make_dead+0x17/0x20 <4>[ 47.255405] RIP: 0033:0x7f10e697e473 <4>[ 47.259709] 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>[ 47.281068] RSP: 002b:00007ffd6cb8e298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.289858] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f10e697e473 <4>[ 47.298156] RDX: 0000000000000019 RSI: 00007f10e6872000 RDI: 0000000000000001 <4>[ 47.306455] RBP: 00007f10e6872000 R08: 00007f10e6871010 R09: 0000000000000000 <4>[ 47.314753] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.323051] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 46.739775] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 46.747133] lkdtm: attempting bad read from page below current stack # [ 46.754603] BUG: stack guard page was hit at 000000005d2dec43 (stack is 00000000f7aac19e..00000000803188f7) # [ 46.765829] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 46.772960] CPU: 2 PID: 966 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 46.781820] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.788760] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 46.795602] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 88 1a 80 ad 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 94 de fb ff 48 c7 c7 c8 1a 80 ad <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 7a de fb ff 0f 1f 44 # [ 46.816955] RSP: 0018:ffff9bd24170fe50 EFLAGS: 00010246 # [ 46.823108] RAX: 0000000000000038 RBX: ffff9bd24170c000 RCX: 0000000000000000 # [ 46.831402] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffffffffad801ac8 # [ 46.839699] RBP: ffffffffad8011f2 R08: 0000000000000000 R09: 0000000000000000 # [ 46.847986] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 46.856282] R13: ffff9bd24170ff10 R14: ffff9bd24170ff10 R15: ffff973283398000 # [ 46.864581] FS: 00007f10e6a68580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 46.873938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.880674] CR2: ffff9bd24170bfff CR3: 0000000106028000 CR4: 00000000003506e0 # [ 46.888964] Call Trace: # [ 46.892006] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 46.897384] direct_entry.cold+0x2c/0x38 # [ 46.902075] full_proxy_write+0x56/0x80 # [ 46.906675] vfs_write+0xea/0x3b0 # [ 46.910687] ksys_write+0x68/0xf0 # [ 46.914704] do_syscall_64+0x33/0x40 # [ 46.919006] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.924960] RIP: 0033:0x7f10e697e473 # [ 46.929257] 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 # [ 46.950579] RSP: 002b:00007ffd6cb8e298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.959350] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f10e697e473 # [ 46.967623] RDX: 0000000000000019 RSI: 00007f10e6872000 RDI: 0000000000000001 # [ 46.975895] RBP: 00007f10e6872000 R08: 00007f10e6871010 R09: 0000000000000000 # [ 46.984178] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.992445] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.000737] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chro<6>[ 47.667255] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 47.675517] lkdtm: attempting bad read from page above current stack <0>[ 47.682986] BUG: stack guard page was hit at 00000000332f4ecb (stack is 00000000e9d2007e..000000008ccaeffb) <4>[ 47.694218] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 47.701341] CPU: 2 PID: 999 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 47.710212] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 47.717146] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 47.724071] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 00 1b 80 ad 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 5a de fb ff 48 c7 c7 40 1b 80 ad <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 3d de fb ff <4>[ 47.745419] RSP: 0018:ffff9bd241767e50 EFLAGS: 00010246 <4>[ 47.751571] RAX: 0000000000000038 RBX: ffff9bd241764000 RCX: 0000000000000000 <4>[ 47.759853] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffffffffad801b40 <4>[ 47.768137] RBP: ffffffffad80120b R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.776429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 47.784720] R13: ffff9bd241767f10 R14: ffff9bd241767f10 R15: ffff973286467000 <4>[ 47.793006] FS: 00007f4fe462a580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 47.802374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.809109] CR2: ffff9bd241768000 CR3: 0000000105ada000 CR4: 00000000003506e0 <4>[ 47.817397] Call Trace: <4>[ 47.820440] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a <4>[ 47.826598] direct_entry.cold+0x2c/0x38 <4>[ 47.831297] full_proxy_write+0x56/0x80 <4>[ 47.835892] vfs_write+0xea/0x3b0 <4>[ 47.839906] ksys_write+0x68/0xf0 <4>[ 47.843922] do_syscall_64+0x33/0x40 <4>[ 47.848224] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 47.854186] RIP: 0033:0x7f4fe4540473 <4>[ 47.858493] 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>[ 47.879839] RSP: 002b:00007ffc6c015c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.888621] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f4fe4540473 <4>[ 47.896912] RDX: 000000000000001a RSI: 00007f4fe4434000 RDI: 0000000000000001 <4>[ 47.905205] RBP: 00007f4fe4434000 R08: 00007f4fe4433010 R09: 0000000000000000 <4>[ 47.913491] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.921780] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.930069] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 47.970299] ---[ end trace 5ea32422131ac84d ]--- <4>[ 47.975775] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.980464] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 48.001817] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 48.007962] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 48.016260] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 48.024556] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 48.032844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 48.041135] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 48.049421] FS: 00007f4fe462a580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 48.058776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.065496] CR2: ffff9bd241768000 CR3: 0000000105ada000 CR4: 00000000003506e0 <3>[ 48.073785] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 48.084013] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 999, name: cat <4>[ 48.092677] INFO: lockdep is turned off. <4>[ 48.097361] irq event stamp: 0 <4>[ 48.101075] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.108385] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.117830] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.127283] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.134601] CPU: 2 PID: 999 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 48.143473] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 48.150396] Call Trace: <4>[ 48.153427] dump_stack+0x77/0x9b <4>[ 48.157433] ___might_sleep.cold+0xa6/0xb6 <4>[ 48.162318] exit_signals+0x1c/0x300 <4>[ 48.166616] do_exit+0xc2/0xab0 <4>[ 48.170432] ? ksys_write+0x68/0xf0 <4>[ 48.174635] make_task_dead+0x2f/0x30 <4>[ 48.179031] rewind_stack_and_make_dead+0x17/0x20 <4>[ 48.184600] RIP: 0033:0x7f4fe4540473 <4>[ 48.188900] 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>[ 48.210261] RSP: 002b:00007ffc6c015c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.219024] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f4fe4540473 <4>[ 48.227308] RDX: 000000000000001a RSI: 00007f4fe4434000 RDI: 0000000000000001 <4>[ 48.235586] RBP: 00007f4fe4434000 R08: 00007f4fe4433010 R09: 0000000000000000 <4>[ 48.243880] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.252174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 meos_pstore coreboot_table # [ 47.040963] ---[ end trace 5ea32422131ac84c ]--- # [ 47.046433] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.051116] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 47.072458] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 47.078614] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.086909] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 47.095197] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 47.103478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.111764] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 47.120054] FS: 00007f10e6a68580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 47.129420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.136155] CR2: ffff9bd24170bfff CR3: 0000000106028000 CR4: 00000000003506e0 # [ 47.144453] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 47.154701] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 966, name: cat # [ 47.163385] INFO: lockdep is turned off. # [ 47.168068] irq event stamp: 0 # [ 47.171780] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.179101] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.188569] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 47.198018] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.205328] CPU: 2 PID: 966 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 47.214214] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.221148] Call Trace: # [ 47.224188] dump_stack+0x77/0x9b # [ 47.228205] ___might_sleep.cold+0xa6/0xb6 # [ 47.233099] exit_signals+0x1c/0x300 # [ 47.237406] do_exit+0xc2/0xab0 # [ 47.241223] ? ksys_write+0x68/0xf0 # [ 47.245431] make_task_dead+0x2f/0x30 # [ 47.249834] rewind_stack_and_make_dead+0x17/0x20 # [ 47.255405] RIP: 0033:0x7f10e697e473 # [ 47.259709] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.281068] RSP: 002b:00007ffd6cb8e298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.289858] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f10e697e473 # [ 47.298156] RDX: 0000000000000019 RSI: 00007f10e6872000 RDI: 0000000000000001 # [ 47.306455] RBP: 00007f10e6872000 R08: 00007f10e6871010 R09: 0000000000000000 # [ 47.314753] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.323051] 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 # [ 47.667255] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 47.675517] lkdtm: attempting bad read from page above current stack # [ 47.682986] BUG: stack guard page was hit at 00000000332f4ecb (stack is 00000000e9d2007e..000000<6>[ 48.590579] lkdtm: Performing direct entry UNSET_SMEP 008ccaeffb) # [ 47.694218] kernel stack overflow (page fault)<6>[ 48.596939] lkdtm: trying to clear SMEP normally : 0000 [#4] SMP PTI # [ 47.701341] CPU: 2 PID: 999 Comm: cat <4>[ 48.608657] ------------[ cut here ]------------ Tainted: G D W 5.10.180-cip34 #1 # [ 47.710212] <4>[ 48.620432] pinned CR4 bits changed: 0x100000!? Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.71<4>[ 48.632321] WARNING: CPU: 3 PID: 1035 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 7146] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ <4>[ 48.648865] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table 47.724071] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 00 1b 80 a<4>[ 48.695269] CPU: 3 PID: 1035 Comm: cat Tainted: G D W 5.10.180-cip34 #1 d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 5a de fb ff 48 c7<4>[ 48.710439] Hardware name: Google Coral/Coral, BIOS 09/29/2020 c7 40 1b 80 ad <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5<4>[ 48.723807] RIP: 0010:native_write_cr4+0x45/0x60 a 5b e9 3d de fb ff # [ 47.745419] RSP: 0018:ffff9bd241767e50<4>[ 48.735372] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 6e 47 46 02 00 75 f2 48 c7 c7 28 fa 6f ad c6 05 5e 47 46 02 01 e8 d6 40 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 EFLAGS: 00010246 # [ 47.751571] RAX: 0000000000000038 RBX: f<4>[ 48.763125] RSP: 0018:ffff9bd2417ffe48 EFLAGS: 00010286 fff9bd241764000 RCX: 0000000000000000 # [ 47.759853] RDX: 000<4>[ 48.775382] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 0000000000000 RSI: ffff9732fbd1bf70 RDI: ffffffffad801b40 # [ <4>[ 48.789970] RDX: ffff9732fbdac660 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 47.768137] RBP: ffffffffad80120b R08: 0000000000000000 R09: 000<4>[ 48.804475] RBP: ffffffffad801225 R08: 0000000000000000 R09: 0000000000000000 0000000000000 # [ 47.776429] R10: 00000000ffffe000 R11: 3ffff<4>[ 48.819052] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b fffffffffff R12: 000000000000001a # [ 47.784720] R13: ffff9bd<4>[ 48.833574] R13: ffff9bd2417fff10 R14: ffff9bd2417fff10 R15: ffff9732851f2000 241767f10 R14: ffff9bd241767f10 R15: ffff973286467000 # [ 47.<4>[ 48.848135] FS: 00007f85e8639580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 793006] FS: 00007f4fe462a580(0000) GS:ffff9732fbd00000(0000) kn<4>[ 48.863812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lGS:0000000000000000 # [ 47.802374] CS: 0010 DS: 0000 ES: 00<4>[ 48.876785] CR2: 00007f85e8443000 CR3: 0000000105b32000 CR4: 00000000003506e0 00 CR0: 0000000080050033 # [ 47.809109] CR2: ffff9bd241768000<4>[ 48.891317] Call Trace: CR3: 0000000105ada000 CR4: 00000000003506e0 # [ 47.817397] C<4>[ 48.900608] lkdtm_UNSET_SMEP.cold+0x1d/0x103 all Trace: # [ 47.820440] ? lkdtm_STACK_GUARD_PAGE_LEADING+0<4>[ 48.912042] direct_entry.cold+0x2c/0x38 x3a/0x3a # [ 47.826598] direct_entry.cold+0x2c/0x38 # [ 4<4>[ 48.923003] full_proxy_write+0x56/0x80 7.831297] full_proxy_write+0x56/0x80 # [ 47.835892] vfs_wri<4>[ 48.933836] vfs_write+0xea/0x3b0 te+0xea/0x3b0 # [ 47.839906] ksys_write+0x68/0xf0 # [ 47.<4>[ 48.944095] ksys_write+0x68/0xf0 843922] do_syscall_64+0x33/0x40 # [ 47.848224] entry_SYSCAL<4>[ 48.954394] do_syscall_64+0x33/0x40 L_64_after_hwframe+0x61/0xc6 # [ 47.854186] RIP: 0033:0x7f4fe<4>[ 48.964919] entry_SYSCALL_64_after_hwframe+0x61/0xc6 4540473 # [ 47.858493] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02<4>[ 48.977138] RIP: 0033:0x7f85e854f473 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 <4>[ 48.987706] 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 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f<4>[ 49.015327] RSP: 002b:00007fff8e45a478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.879839] RSP: 002b:00<4>[ 49.030349] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f85e854f473 007ffc6c015c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <4>[ 49.044934] RDX: 000000000000000b RSI: 00007f85e8443000 RDI: 0000000000000001 47.888621] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00<4>[ 49.059466] RBP: 00007f85e8443000 R08: 00007f85e8442010 R09: 0000000000000000 007f4fe4540473 # [ 47.896912] RDX: 000000000000001a RSI: 0000<4>[ 49.074046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 7f4fe4434000 RDI: 0000000000000001 # [ 47.905205] RBP: 00007f<4>[ 49.088748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4fe4434000 R08: 00007f4fe4433010 R09: 0000000000000000 # [ 47<4>[ 49.103180] irq event stamp: 0 .913491] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000<4>[ 49.113166] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000001 # [ 47.921780] R13: 0000000000000001 R14: 00000000<4>[ 49.126671] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 00020000 R15: 0000000000020000 # [ 47.930069] Modules linked <4>[ 49.142427] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cr<4>[ 49.158188] softirqs last disabled at (0): [<0000000000000000>] 0x0 os_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar c<4>[ 49.171686] ---[ end trace 5ea32422131ac84e ]--- ros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max983<6>[ 49.183509] lkdtm: ok: SMEP did not get cleared 57a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobu<6>[ 49.195048] lkdtm: trying to clear SMEP with call gadget f2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dm<6>[ 49.207610] lkdtm: ok: SMEP removal was reverted aengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 47.970299] ---[ end trace 5ea32422131ac84d ]--- # [ 47.975775] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.980464] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 48.001817] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 48.007962] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.016260] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 48.024556] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 48.032844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.041135] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 48.049421] FS: 00007f4fe462a580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 48.058776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.065496] CR2: ffff9bd241768000 CR3: 0000000105ada000 CR4: 00000000003506e0 # [ 48.073785] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 48.084013] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 999, name: cat # [ 48.092677] INFO: lockdep is turned off. # [ 48.097361] irq event stamp: 0 # [ 48.101075] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.108385] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.117830] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.127283] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.134601] CPU: 2 PID: 999 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 48.143473] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.150396] Call Trace: # [ 48.153427] dump_stack+0x77/0x9b # [ 48.157433] ___might_sleep.cold+0xa6/0xb6 # [ 48.162318] exit_signals+0x1c/0x300 # [ 48.166616] do_exit+0xc2/0xab0 # [ 48.170432] ? ksys_write+0x68/0xf0 # [ 48.174635] make_task_dead+0x2f/0x30 # [ 48.179031] rewind_stack_and_make_dead+0x17/0x20 # [ 48.184600] RIP: 0033:0x7f4fe4540473 # [ 48.188900] 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 # [ 48.210261] RSP: 002b:00007ffc6c015c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.219024] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f4fe4540473 # [ 48.227308] RDX: 000000000000001a RSI: 00007f4fe4434000 RDI: 0000000000000001 # [ 48.235586] RBP: 00007f4fe4434000 R08: 00007f4fe4433010 R09: 0000000000000000 # [ 48.243880] R10: fffffffffffffbc5 R11: 00000000<6>[ 49.497579] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 49.506091] lkdtm: XFAIL: this test is ia32-only 00000246 R12: 0000000000000001 # [ 48.252174] 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 # [ 48.590579] lkdtm: Performing direct entry UNSET_SMEP # [ 48.596939] lkdtm: trying to clear SMEP normally # [ 48.608657] ------------[ cut here ]------------ # [ 48.620432] pinned CR4 bits changed: 0x100000!? # [ 48.632321] WARNING: CPU: 3 PID: 1035 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 48.648865] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 48.695269] CPU: 3 PID: 1035 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 48.710439] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.723807] RIP: 0010:native_write_cr4+0x45/0x60 # [ 48.735372] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 6e 47 46 02 00 75 f2 48 c7 c7 28 fa 6f ad c6 05 5e 47 46 02 01 e8 d6 40 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 48.763125] RSP: 0018:ffff9bd2417ffe48 EFLAGS: 00010286 # [ 48.775382] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 48.789970] RDX: ffff9732fbdac660 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 # [ 48.804475] RBP: ffffffffad801225 R08: 0000000000000000 R09: 0000000000000000 # [ 48.819052] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 48.833574] R13: ffff9bd2417fff10 R14: ffff9bd2417fff10 R15: ffff9732851f2000 # [ 48.848135] FS: 00007f85e8639580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 # [ 48.863812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.876785] CR2: 00007f85e8443000 CR3: 0000000105b32000 CR4: 00000000003506e0 # [ 48.891317] Call Trace: # [ 48.900608] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 48.912042] direct_entry.cold+0x2c/0x38 # [ 48.923003] full_proxy_write+0x56/0x80 # [ 48.933836] vfs_write+0xea/0x3b0 # [ 48.944095] ksys_write+0x68/0xf0 # [ 48.954394] do_syscall_64+0x33/0x40 # [ 48.964919] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.977138] RIP: 0033:0x7f85e854f473 # [ 48.987706] 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 <6>[ 49.768196] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 49.779723] lkdtm: XFAIL: this test is arm64-only 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.015327] RSP: 002b:00007fff8e45a478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.030349] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f85e854f473 # [ 49.044934] RDX: 000000000000000b RSI: 00007f85e8443000 RDI: 0000000000000001 # [ 49.059466] RBP: 00007f85e8443000 R08: 00007f85e8442010 R09: 0000000000000000 # [ 49.074046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.088748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.103180] irq event stamp: 0 # [ 49.113166] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.126671] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.142427] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.158188] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.171686] ---[ end trace 5ea32422131ac84e ]--- # [ 49.183509] lkdtm: ok: SMEP did not get cleared # [ 49.195048] lkdtm: trying to clear SMEP with call gadget # [ 49.207610] 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 # [ 49.497579] lkdtm: Performing direct entry DOUBLE_FAULT # [ 49.506091] 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 # [ 49.768196] lkdtm: Performing direct entry CORRUPT_PAC # [ 49.779723] 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 <6>[ 50.021155] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 50.028720] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 50.021155] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 50.028720] 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>[ 50.539188] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 50.545664] lkdtm: Value in memory before free: 12345678 <6>[ 50.551954] lkdtm: Attempting bad read from freed memory <6>[ 50.558226] lkdtm: Memory was not poisoned # [ 50.539188] lkdtm: Performing direct entry READ_AFTER_FREE # [ 50.545664] lkdtm: Value in memory before free: 12345678 # [ 50.551954] lkdtm: Attempting bad read from freed memory # [ 50.558226] 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>[ 50.930731] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 50.937807] lkdtm: Value in memory before free: 12345678 <6>[ 50.944085] lkdtm: Attempting to read from freed memory <6>[ 50.950297] lkdtm: Buddy page was not poisoned # [ 50.930731] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 50.937807] lkdtm: Value in memory before free: 12345678 # [ 50.944085] lkdtm: Attempting to read from freed memory # [ 50.950297] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 51.202223] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 51.208821] lkdtm: Attempting double slab free ... # [ 51.202223] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 51.208821] 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>[ 51.462777] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 51.469270] lkdtm: Attempting cross-cache slab free ... # [ 51.462777] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 51.469270] 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>[ 51.718359] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 51.724745] lkdtm: Attempting non-Slab slab free ... # [ 51.718359] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 51.724745] 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>[ 52.488226] lkdtm: Performing direct entry EXEC_DATA <6>[ 52.494126] lkdtm: attempting ok execution at ffffffffac379480 <6>[ 52.500991] lkdtm: attempting bad execution at ffffffffaf220c00 <2>[ 52.507995] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 52.516690] BUG: unable to handle page fault for address: ffffffffaf220c00 <1>[ 52.524697] #PF: supervisor instruction fetch in kernel mode <1>[ 52.531341] #PF: error_code(0x0011) - permissions violation <6>[ 52.537886] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 80000001104000e3 <4>[ 52.546003] Oops: 0011 [#5] SMP PTI <4>[ 52.550211] CPU: 2 PID: 1542 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 52.559190] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.566132] RIP: 0010:data_area+0x0/0x40 <4>[ 52.570826] Code: ff ff 00 55 27 80 32 97 ff ff 00 54 27 80 32 97 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>[ 52.592186] RSP: 0018:ffff9bd241fcfe48 EFLAGS: 00010246 <4>[ 52.598344] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.606644] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 <4>[ 52.614942] RBP: ffffffffaf220c00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.623236] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 52.631530] R13: ffff9bd241fcff10 R14: ffff9bd241fcff10 R15: ffff973286598000 <4>[ 52.639832] FS: 00007fed10ba8580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 52.649197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.655936] CR2: ffffffffaf220c00 CR3: 0000000103464000 CR4: 00000000003506e0 <4>[ 52.664233] Call Trace: <4>[ 52.667281] ? execute_location+0x48/0x56 <4>[ 52.672079] ? direct_entry.cold+0x2c/0x38 <4>[ 52.676972] ? full_proxy_write+0x56/0x80 <4>[ 52.681768] ? vfs_write+0xea/0x3b0 <4>[ 52.685975] ? ksys_write+0x68/0xf0 <4>[ 52.690177] ? do_syscall_64+0x33/0x40 <4>[ 52.694681] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 52.700846] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 52.741108] CR2: ffffffffaf220c00 <4>[ 52.745120] ---[ end trace 5ea32422131ac84f ]--- <4>[ 52.750597] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 52.755289] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 52.776652] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 52.782805] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.791103] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 52.799406] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 52.807703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 52.816001] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 52.824299] FS: 00007fed10ba8580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 52.833671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.840410] CR2: ffffffffaf220c00 CR3: 0000000103464000 CR4: 00000000003506e0 <3>[ 52.848710] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 52.858959] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1542, name: cat <4>[ 52.867742] INFO: lockdep is turned off. <4>[ 52.872436] irq event stamp: 0 <4>[ 52.876157] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.883485] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 52.892953] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 52.902421] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.909748] CPU: 2 PID: 1542 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 52.918730] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.925661] Call Trace: <4>[ 52.928703] dump_stack+0x77/0x9b <4>[ 52.932719] ___might_sleep.cold+0xa6/0xb6 <4>[ 52.937612] exit_signals+0x1c/0x300 <4>[ 52.941918] do_exit+0xc2/0xab0 <4>[ 52.945727] ? ksys_write+0x68/0xf0 <4>[ 52.949938] make_task_dead+0x2f/0x30 <4>[ 52.954344] rewind_stack_and_make_dead+0x17/0x20 <4>[ 52.959909] RIP: 0033:0x7fed10abe473 <4>[ 52.964216] 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>[ 52.985577] RSP: 002b:00007ffff76c0c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.994367] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fed10abe473 <4>[ 53.002664] RDX: 000000000000000a RSI: 00007fed109b2000 RDI: 0000000000000001 <4>[ 53.010964] RBP: 00007fed109b2000 R08: 00007fed109b1010 R09: 0000000000000000 <4>[ 53.019260] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.027559] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 52.488226] lkdtm: Performing direct entry EXEC_DATA # [ 52.494126] lkdtm: attempting ok execution at ffffffffac379480 # [ 52.500991] lkdtm: attempting bad execution at ffffffffaf220c00 # [ 52.507995] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.516690] BUG: unable to handle page fault for address: ffffffffaf220c00 # [ 52.524697] #PF: supervisor instruction fetch in kernel mode # [ 52.531341] #PF: error_code(0x0011) - permissions violation # [ 52.537886] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 80000001104000e3 # [ 52.546003] Oops: 0011 [#5] SMP PTI # [ 52.550211] CPU: 2 PID: 1542 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 52.559190] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.566132] RIP: 0010:data_area+0x0/0x40 # [ 52.570826] Code: ff ff 00 55 27 80 32 97 ff ff 00 54 27 80 32 97 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 # [ 52.592186] RSP: 0018:ffff9bd241fcfe48 EFLAGS: 00010246 # [ 52.598344] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.606644] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 # [ 52.614942] RBP: ffffffffaf220c00 R08: 0000000000000000 R09: 0000000000000000 # [ 52.623236] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 52.631530] R13: ffff9bd241fcff10 R14: ffff9bd241fcff10 R15: ffff973286598000 # [ 52.639832] FS: 00007fed10ba8580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 52.649197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.655936] CR2: ffffffffaf220c00 CR3: 0000000103464000 CR4: 00000000003506e0 # [ 52.664233] Call Trace: # [ 52.667281] ? execute_location+0x48/0x56 # [ 52.672079] ? direct_entry.cold+0x2c/0x38 # [ 52.676972] ? full_proxy_write+0x56/0x80 # [ 52.681768] ? vfs_write+0xea/0x3b0 # [ 52.685975] ? ksys_write+0x68/0xf0 # [ 52.690177] ? do_syscall_64+0x33/0x40 # [ 52.694681] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.700846] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 52.741108] CR2: fffffff<6>[ 53.341469] lkdtm: Performing direct entry EXEC_STACK faf220c00 # [ 52.745120] ---[ end trace 5ea32422131ac84f ]---<6>[ 53.347987] lkdtm: attempting ok execution at ffffffffac379480 # [ 52.750597] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.755289<6>[ 53.361096] lkdtm: attempting bad execution at ffff9bd242067e18 ] Code: 89 ff e8 ae ea 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0<2>[ 53.374251] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 53.389117] BUG: unable to handle page fault for address: ffff9bd242067e18 <1>[ 53.397125] #PF: supervisor instruction fetch in kernel mode <1>[ 53.403764] #PF: error_code(0x0011) - permissions violation <6>[ 53.410307] PGD 100000067 P4D 100000067 PUD 10022f067 PMD 105b68067 PTE 80000001031d6063 <4>[ 53.419697] Oops: 0011 [#6] SMP PTI <4>[ 53.423905] CPU: 3 PID: 1578 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 53.432884] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.439818] RIP: 0010:0xffff9bd242067e18 <4>[ 53.444512] Code: 00 00 18 7e 06 42 d2 9b ff ff 59 e6 a3 ac ff ff ff ff 20 00 00 00 00 00 00 00 4e 13 80 ad ff ff ff ff 85 e7 a3 ac 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>[ 53.465871] RSP: 0018:ffff9bd242067df8 EFLAGS: 00010246 <4>[ 53.472027] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.480321] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 <4>[ 53.488614] RBP: ffff9bd242067e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.496913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 53.505210] R13: ffff9bd242067f10 R14: ffff9bd242067f10 R15: ffff97328345b000 <4>[ 53.513510] FS: 00007f4ff48bf580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 <4>[ 53.522880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.529618] CR2: ffff9bd242067e18 CR3: 00000001061e8000 CR4: 00000000003506e0 <4>[ 53.537914] Call Trace: <4>[ 53.540961] ? execute_location+0x48/0x56 <4>[ 53.545754] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 53.550550] ? direct_entry.cold+0x2c/0x38 <4>[ 53.555442] ? full_proxy_write+0x56/0x80 <4>[ 53.560237] ? vfs_write+0xea/0x3b0 <4>[ 53.564443] ? ksys_write+0x68/0xf0 <4>[ 53.568654] ? do_syscall_64+0x33/0x40 <4>[ 53.573152] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.579317] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 53.619573] CR2: ffff9bd242067e18 <4>[ 53.623584] ---[ end trace 5ea32422131ac850 ]--- <4>[ 53.629054] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.633748] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 53.655108] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 53.661257] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.669553] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 53.677850] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.686146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.694443] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 53.702740] FS: 00007f4ff48bf580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 <4>[ 53.712110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.718848] CR2: ffff9bd242067e18 CR3: 00000001061e8000 CR4: 00000000003506e0 <3>[ 53.727147] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 53.737395] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1578, name: cat <4>[ 53.746178] INFO: lockdep is turned off. <4>[ 53.750868] irq event stamp: 0 <4>[ 53.754586] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.761913] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.771370] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 53.780838] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.788160] CPU: 3 PID: 1578 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 53.797136] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.804068] Call Trace: <4>[ 53.807107] dump_stack+0x77/0x9b <4>[ 53.811124] ___might_sleep.cold+0xa6/0xb6 <4>[ 53.816019] exit_signals+0x1c/0x300 <4>[ 53.820324] do_exit+0xc2/0xab0 <4>[ 53.824140] ? ksys_write+0x68/0xf0 <4>[ 53.828350] make_task_dead+0x2f/0x30 <4>[ 53.832746] rewind_stack_and_make_dead+0x17/0x20 <4>[ 53.838314] RIP: 0033:0x7f4ff47d5473 <4>[ 53.842620] 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>[ 53.863981] RSP: 002b:00007ffd674580e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.872769] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4ff47d5473 <4>[ 53.881065] RDX: 000000000000000b RSI: 00007f4ff46c9000 RDI: 0000000000000001 <4>[ 53.889361] RBP: 00007f4ff46c9000 R08: 00007f4ff46c8010 R09: 0000000000000000 <4>[ 53.897656] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.905951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 00 7b ea 02 # [ 52.776652] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 52.782805] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.791103] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 52.799406] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 52.807703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.816001] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 52.824299] FS: 00007fed10ba8580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 52.833671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.840410] CR2: ffffffffaf220c00 CR3: 0000000103464000 CR4: 00000000003506e0 # [ 52.848710] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.858959] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1542, name: cat # [ 52.867742] INFO: lockdep is turned off. # [ 52.872436] irq event stamp: 0 # [ 52.876157] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.883485] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.892953] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.902421] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.909748] CPU: 2 PID: 1542 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 52.918730] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.925661] Call Trace: # [ 52.928703] dump_stack+0x77/0x9b # [ 52.932719] ___might_sleep.cold+0xa6/0xb6 # [ 52.937612] exit_signals+0x1c/0x300 # [ 52.941918] do_exit+0xc2/0xab0 # [ 52.945727] ? ksys_write+0x68/0xf0 # [ 52.949938] make_task_dead+0x2f/0x30 # [ 52.954344] rewind_stack_and_make_dead+0x17/0x20 # [ 52.959909] RIP: 0033:0x7fed10abe473 # [ 52.964216] 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 # [ 52.985577] RSP: 002b:00007ffff76c0c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.994367] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fed10abe473 # [ 53.002664] RDX: 000000000000000a RSI: 00007fed109b2000 RDI: 0000000000000001 # [ 53.010964] RBP: 00007fed109b2000 R08: 00007fed109b1010 R09: 0000000000000000 # [ 53.019260] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.027559] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 53.341469] lkdtm: Performing direct entry EXEC_STACK # [ 53.347987] lkdtm: attempting ok execution at ffffffffac379480 # [ 53.361096] lkdtm: attempting bad execution at ffff9bd242067e18 # [ 53.374251] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.389117] BUG: unable to handle page fault for address: ffff9bd242067e18 # [ 53.397125] #PF: supervisor instruction fetch in kernel mode # [ 53.403764] #PF: error_code(0x0011) - permissions violation # [ 53.410307] PGD 100000067 P4D 100000067 PUD 10022f067 PMD 105b68067 PTE 80000001031d6063 # [ 53.419697] Oops: 0011 [#6] SMP PTI # [ 53.423905] CPU: 3 PID: 1578 Comm: cat Tainted: G D W <6>[ 54.258252] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 54.269812] lkdtm: attempting ok execution at ffffffffac379480 <6>[ 54.276696] lkdtm: attempting bad execution at ffff973283694600 5.10.180-cip34 #1 # [ 53.432884] Hardware name: Google Cor<2>[ 54.283661] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.298566] BUG: unable to handle page fault for address: ffff973283694600 <1>[ 54.306572] #PF: supervisor instruction fetch in kernel mode <1>[ 54.313206] #PF: error_code(0x0011) - permissions violation al/Coral, BIOS 09/29/2020 # [ 53.439818] RIP: 0010:0xffff9bd<6>[ 54.319748] PGD 110601067 P4D 110601067 PUD 100238063 PMD 104a7d063 PTE 8000000103694063 <4>[ 54.335364] Oops: 0011 [#7] SMP PTI 242067e18 # [ 53.444512] Code: 00 00 18 7e 06 42 d2 9b ff ff <4>[ 54.339575] CPU: 0 PID: 1614 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 54.354773] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.361713] RIP: 0010:0xffff973283694600 <4>[ 54.366408] Code: 00 00 02 00 00 00 00 00 00 00 80 41 69 83 32 97 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 8f ab 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>[ 54.387768] RSP: 0018:ffff9bd2420f7e38 EFLAGS: 00010246 <4>[ 54.393924] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.402224] RDX: 0000000000000000 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 <4>[ 54.410522] RBP: ffff973283694600 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.418816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 54.427114] R13: ffff9bd2420f7f10 R14: ffff9bd2420f7f10 R15: ffff973283443000 <4>[ 54.435415] FS: 00007f3e76980580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 54.444786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.451525] CR2: ffff973283694600 CR3: 0000000103066000 CR4: 00000000003506f0 <4>[ 54.459822] Call Trace: <4>[ 54.462869] ? execute_location+0x48/0x56 <4>[ 54.467665] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 54.472652] ? direct_entry.cold+0x2c/0x38 <4>[ 54.477544] ? full_proxy_write+0x56/0x80 <4>[ 54.482339] ? vfs_write+0xea/0x3b0 <4>[ 54.486549] ? ksys_write+0x68/0xf0 <4>[ 54.490761] ? do_syscall_64+0x33/0x40 <4>[ 54.495259] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 59 e6 a3 ac ff ff ff ff 20 00 00 00 00 00 00 00 4e 13 80 ad ff f<4>[ 54.501421] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 54.547913] CR2: ffff973283694600 <4>[ 54.551918] ---[ end trace 5ea32422131ac851 ]--- <4>[ 54.557394] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.562086] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 54.583439] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 54.589585] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.597881] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 54.606176] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.614474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.622768] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 54.631068] FS: 00007f3e76980580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 54.640438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.647174] CR2: ffff973283694600 CR3: 0000000103066000 CR4: 00000000003506f0 f ff ff 85 e7 a3 ac 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 # [ 53.465871] RSP: 0018:ffff9bd242067df8 EFLAGS: 00010246 # [ 53.472027] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.480321] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 # [ 53.488614] RBP: ffff9bd242067e18 R08: 0000000000000000 R09: 0000000000000000 # [ 53.496913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 53.505210] R13: ffff9bd242067f10 R14: ffff9bd242067f10 R15: ffff97328345b000 # [ 53.513510] FS: 00007f4ff48bf580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 # [ 53.522880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.529618] CR2: ffff9bd242067e18 CR3: 00000001061e8000 CR4: 00000000003506e0 # [ 53.537914] Call Trace: # [ 53.540961] ? execute_location+0x48/0x56 # [ 53.545754] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 53.550550] ? direct_entry.cold+0x2c/0x38 # [ 53.555442] ? full_proxy_write+0x56/0x80 # [ 53.560237] ? vfs_write+0xea/0x3b0 # [ 53.564443] ? ksys_write+0x68/0xf0 # [ 53.568654] ? do_syscall_64+0x33/0x40 # [ 53.573152] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.579317] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 53.619573] CR2: ffff9bd242067e18 # [ 53.623584] ---[ end trace 5ea32422131ac850 ]--- # [ 53.629054] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.633748] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 53.655108] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 53.661257] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.669553] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 53.677850] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 53.686146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.694443] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 53.702740] FS: 00007f4ff48bf580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 # [ 53.712110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.718848] CR2: ffff9bd242067e18 CR3: 00000001061e8000 CR4: 00000000003506e0 # [ 53.727147] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.737395] in_atomic(): 0,<6>[ 54.935861] lkdtm: Performing direct entry EXEC_VMALLOC irqs_disabled(): 1, non_block: 0, pid: 1578, name: cat # [ 5<6>[ 54.942494] lkdtm: attempting ok execution at ffffffffac379480 3.746178] INFO: lockdep is turned off. # [ 53.750868] irq eve<6>[ 54.955596] lkdtm: attempting bad execution at ffff9bd24068d000 nt stamp: 0 # [ 53.754586] hardirqs last enabled at (0): [<0<2>[ 54.968805] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.983693] BUG: unable to handle page fault for address: ffff9bd24068d000 <1>[ 54.991705] #PF: supervisor instruction fetch in kernel mode 000000000000000>] 0x0 # [ 53.761913] hardirqs last disabled a<1>[ 54.998345] #PF: error_code(0x0011) - permissions violation t (0): [] copy_process+0x664/0x1c60 # [ 53.<6>[ 55.011119] PGD 100000067 P4D 100000067 PUD 10022f067 PMD 10618a067 PTE 80000001037f9063 <4>[ 55.026728] Oops: 0011 [#8] SMP PTI <4>[ 55.030935] CPU: 1 PID: 1650 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 55.039912] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.046852] RIP: 0010:0xffff9bd24068d000 <4>[ 55.051552] Code: Unable to access opcode bytes at RIP 0xffff9bd24068cfd6. <4>[ 55.059556] RSP: 0018:ffff9bd24216fe38 EFLAGS: 00010246 <4>[ 55.065712] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.074010] RDX: 0000000000000000 RSI: ffff9732fbc9bf70 RDI: ffff9732fbc9bf70 <4>[ 55.082304] RBP: ffff9bd24068d000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.090601] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 55.098899] R13: ffff9bd24216ff10 R14: ffff9bd24216ff10 R15: ffff9732837f9000 <4>[ 55.107198] FS: 00007f121e5a8580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 <4>[ 55.116570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.123308] CR2: ffff9bd24068cfd6 CR3: 0000000102876000 CR4: 00000000003506e0 <4>[ 55.131604] Call Trace: <4>[ 55.134651] ? execute_location+0x48/0x56 <4>[ 55.139448] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 55.144434] ? direct_entry.cold+0x2c/0x38 <4>[ 55.149325] ? full_proxy_write+0x56/0x80 <4>[ 55.154120] ? vfs_write+0xea/0x3b0 <4>[ 55.158325] ? ksys_write+0x68/0xf0 <4>[ 55.162534] ? do_syscall_64+0x33/0x40 <4>[ 55.167034] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 771370] softirqs last enabled at (0): [] copy<4>[ 55.173196] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 55.219626] CR2: ffff9bd24068d000 <4>[ 55.223639] ---[ end trace 5ea32422131ac852 ]--- <4>[ 55.229118] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.233811] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 55.255165] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 55.261324] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.269622] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 55.277919] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.286218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.294515] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 55.302813] FS: 00007f121e5a8580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 <4>[ 55.312182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.318919] CR2: ffff9bd24068cfd6 CR3: 0000000102876000 CR4: 00000000003506e0 <3>[ 55.327221] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 55.337470] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1650, name: cat <4>[ 55.346255] INFO: lockdep is turned off. <4>[ 55.350945] irq event stamp: 0 <4>[ 55.354659] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _process+0x664/0x1c60 # [ 53.780838] softirqs last disabled a<4>[ 55.361988] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.377696] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.387163] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.394488] CPU: 1 PID: 1650 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 55.403467] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.410395] Call Trace: <4>[ 55.413439] dump_stack+0x77/0x9b <4>[ 55.417456] ___might_sleep.cold+0xa6/0xb6 <4>[ 55.422348] exit_signals+0x1c/0x300 <4>[ 55.426650] do_exit+0xc2/0xab0 <4>[ 55.430467] ? ksys_write+0x68/0xf0 <4>[ 55.434675] make_task_dead+0x2f/0x30 <4>[ 55.439078] rewind_stack_and_make_dead+0x17/0x20 <4>[ 55.444650] RIP: 0033:0x7f121e4be473 <4>[ 55.448955] 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>[ 55.470316] RSP: 002b:00007ffcfeb57d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.479100] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f121e4be473 <4>[ 55.487394] RDX: 000000000000000d RSI: 00007f121e3b2000 RDI: 0000000000000001 <4>[ 55.495688] RBP: 00007f121e3b2000 R08: 00007f121e3b1010 R09: 0000000000000000 <4>[ 55.503981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.512273] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t (0): [<0000000000000000>] 0x0 # [ 53.788160] CPU: 3 PID: 1578 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 53.797136] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.804068] Call Trace: # [ 53.807107] dump_stack+0x77/0x9b # [ 53.811124] ___might_sleep.cold+0xa6/0xb6 # [ 53.816019] exit_signals+0x1c/0x300 # [ 53.820324] do_exit+0xc2/0xab0 # [ 53.824140] ? ksys_write+0x68/0xf0 # [ 53.828350] make_task_dead+0x2f/0x30 # [ 53.832746] rewind_stack_and_make_dead+0x17/0x20 # [ 53.838314] RIP: 0033:0x7f4ff47d5473 # [ 53.842620] 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 # [ 53.863981] RSP: 002b:00007ffd674580e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.872769] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4ff47d5473 # [ 53.881065] RDX: 000000000000000b RSI: 00007f4ff46c9000 RDI: 0000000000000001 # [ 53.889361] RBP: 00007f4ff46c9000 R08: 00007f4ff46c8010 R09: 0000000000000000 # [ 53.897656] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.905951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.258252] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.269812] lkdtm: attempting ok execution at ffffffffac379480 # [ 54.276696] lkdtm: attempting bad execution at ffff973283694600 # [ 54.283661] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.298566] BUG: unable to handle page fault for address: ffff973283694600 # [ 54.306572] #PF: supervisor instruction fetch in kernel mode # [ 54.313206] #PF: error_code(0x0011) - permissions violation # [ 54.319748] PGD 110601067 P4D 110601067 PUD 100238063 PMD 104a7d063 PTE 8000000103694063 # [ 54.335364] Oops: 0011 [#7] SMP PTI # [ 54.339575] CPU: 0 PID: 1614 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 54.354773] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.361713] RIP: 0010:0xffff973283694600 # [ 54.366408] Code: 00 00 02 00 00 00 00 00 00 00 80 41 69 83 32 97 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 8f ab 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 # [ 54.387768] RSP: 0018:ffff9bd2420f7e38 EFLAGS: 00010246 # [ 54.393924] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.402224] RDX: 0000000000000000 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 # [ 54.410522] RBP: ffff973283694600 R08: 0000000000000000 R09: 0000000000000000 # [ 54.418816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.427114] R13: ffff9bd2420f7f10 R14: ffff9bd2420f7f10 R15: ffff973283443000 # [ 54.435415] FS: 00007f3e76980580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 54.444786] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<6>[ 55.820191] lkdtm: Performing direct entry EXEC_RODATA 33 # [ 54.451525] CR2: ffff973283694600 CR3: 0000000103066000<6>[ 55.832474] lkdtm: attempting ok execution at ffffffffac379480 CR4: 00000000003506f0 # [ 54.459822] Call Trace: # [ 54.4<6>[ 55.845523] lkdtm: attempting bad execution at ffffffffad37e900 62869] ? execute_location+0x48/0x56 # [ 54.467665] ? lkdtm_<2>[ 55.858808] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 55.873609] BUG: unable to handle page fault for address: ffffffffad37e900 <1>[ 55.881612] #PF: supervisor instruction fetch in kernel mode <1>[ 55.888251] #PF: error_code(0x0011) - permissions violation <6>[ 55.894793] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 800000010e4001e1 <4>[ 55.902902] Oops: 0011 [#9] SMP PTI <4>[ 55.907109] CPU: 3 PID: 1686 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 55.916091] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.923035] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 55.929096] Code: ff ff f5 fb a3 ac ff ff ff ff 9a 15 80 ad ff ff ff ff 3b e3 a3 ac 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>[ 55.950448] RSP: 0018:ffff9bd2421ffe48 EFLAGS: 00010246 <4>[ 55.956603] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 55.964900] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 <4>[ 55.973196] RBP: ffffffffad37e900 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.981494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 55.989793] R13: ffff9bd2421fff10 R14: ffff9bd2421fff10 R15: ffff973282c5f000 <4>[ 55.998094] FS: 00007f45c1dd8580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 <4>[ 56.007464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.014200] CR2: ffffffffad37e900 CR3: 00000001061d6000 CR4: 00000000003506e0 <4>[ 56.022498] Call Trace: <4>[ 56.025540] ? execute_location+0x48/0x56 <4>[ 56.030334] ? direct_entry.cold+0x2c/0x38 <4>[ 56.035228] ? full_proxy_write+0x56/0x80 <4>[ 56.040024] ? vfs_write+0xea/0x3b0 <4>[ 56.044231] ? ksys_write+0x68/0xf0 <4>[ 56.048443] ? do_syscall_64+0x33/0x40 <4>[ 56.052939] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 56.059092] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 56.099348] CR2: ffffffffad37e900 <4>[ 56.103360] ---[ end trace 5ea32422131ac853 ]--- <4>[ 56.108837] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 56.113527] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 56.134855] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 56.141005] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.149299] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 56.157571] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 56.165848] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 56.174146] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 56.182445] FS: 00007f45c1dd8580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 <4>[ 56.191811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.198547] CR2: ffffffffad37e900 CR3: 00000001061d6000 CR4: 00000000003506e0 <3>[ 56.206838] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 56.217057] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1686, name: cat <4>[ 56.225826] INFO: lockdep is turned off. <4>[ 56.230516] irq event stamp: 0 <4>[ 56.234232] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.241561] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.251033] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 56.260502] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.267828] CPU: 3 PID: 1686 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 56.276808] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.283740] Call Trace: <4>[ 56.286781] dump_stack+0x77/0x9b <4>[ 56.290797] ___might_sleep.cold+0xa6/0xb6 <4>[ 56.295694] exit_signals+0x1c/0x300 <4>[ 56.299999] do_exit+0xc2/0xab0 <4>[ 56.303814] ? ksys_write+0x68/0xf0 <4>[ 56.308013] make_task_dead+0x2f/0x30 <4>[ 56.312408] rewind_stack_and_make_dead+0x17/0x20 <4>[ 56.317978] RIP: 0033:0x7f45c1cee473 <4>[ 56.322284] 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>[ 56.343636] RSP: 002b:00007ffedacee3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.352424] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f45c1cee473 <4>[ 56.360721] RDX: 000000000000000c RSI: 00007f45c1be2000 RDI: 0000000000000001 <4>[ 56.369018] RBP: 00007f45c1be2000 R08: 00007f45c1be1010 R09: 0000000000000000 <4>[ 56.377314] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.385610] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 EXEC_KMALLOC+0x2c/0x40 # [ 54.472652] ? direct_entry.cold+0x2c/0x38 # [ 54.477544] ? full_proxy_write+0x56/0x80 # [ 54.482339] ? vfs_write+0xea/0x3b0 # [ 54.486549] ? ksys_write+0x68/0xf0 # [ 54.490761] ? do_syscall_64+0x33/0x40 # [ 54.495259] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.501421] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 54.547913] CR2: ffff973283694600 # [ 54.551918] ---[ end trace 5ea32422131ac851 ]--- # [ 54.557394] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.562086] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 54.583439] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 54.589585] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.597881] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 54.606176] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 54.614474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.622768] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 54.631068] FS: 00007f3e76980580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 54.640438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.647174] CR2: ffff973283694600 CR3: 0000000103066000 CR4: 00000000003506f0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 54.935861] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.942494] lkdtm: attempting ok execution at ffffffffac379480 # [ 54.955596] lkdtm: attempting bad execution at ffff9bd24068d000 # [ 54.968805] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.983693] BUG: unable to handle page fault for address: ffff9bd24068d000 # [ 54.991705] #PF: supervisor instruction fetch in kernel mode # [ 54.998345] #PF: error_code(0x0011) - permissions violation # [ 55.011119] PGD 100000067 P4D 100000067 PUD 10022f067 PMD 10618a067 PTE 80000001037f9063 # [ 55.026728] Oops: 0011 [#8] SMP PTI # [ 55.030935] CPU: 1 PID: 1650 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 55.039912] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.046852] RIP: 0010:0xffff9bd24068d000 # [ 55.051552] Code: Unable to access opcode bytes at RIP 0xffff9bd24068cfd6. # [ 55.059556] RSP: 0018:ffff9bd24216fe38 EFLAGS: 00010246 # [ 55.065712] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.074010] RDX: 0000000000000000 RSI: ffff9732fbc9bf70 RDI: ffff9732fbc9bf70 # [ 55.082304] RBP: ffff9bd24068d000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.090601] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.098899] R13: ffff9bd24216ff10 R14: ffff9bd24216ff10 R15: ffff9732837f9000 # [ 55.107198] FS: 00007f121e5a8580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 # [ 55.116570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.123308] CR2: ffff9bd24068cfd6 CR3: 0000000102876000 CR4: 00000000003506e0 # [ 55.131604] Call Trace: # [ 55.134651] ? execute_location+0x48/0x56 # [ 55.139448] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.144434] ? direct_entry.cold+0x2c/0x38 # <6>[ 56.755958] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 56.768392] lkdtm: attempting ok execution at ffffffffac379480 [ 55.149325] ? full_proxy_write+0x56/0x80 # [ 55.154120] <6>[ 56.775320] lkdtm: attempting bad execution at 00007f9fd2315000 ? vfs_write+0xea/0x3b0 # [ 55.158325] ? ksys_write+0x68/0xf0<2>[ 56.788514] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 56.801444] BUG: unable to handle page fault for address: 00007f9fd2315000 <1>[ 56.809450] #PF: supervisor instruction fetch in kernel mode <1>[ 56.816093] #PF: error_code(0x0011) - permissions violation # [ 55.162534] ? do_syscall_64+0x33/0x40 # [ 55.167034] <6>[ 56.822639] PGD 8000000105ace067 P4D 8000000105ace067 PUD 103328067 PMD 103483067 PTE 10a599067 <4>[ 56.838929] Oops: 0011 [#10] SMP PTI ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.173196] Mo<4>[ 56.843227] CPU: 2 PID: 1722 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 56.858434] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.865373] RIP: 0010:0x7f9fd2315000 <4>[ 56.869676] Code: Unable to access opcode bytes at RIP 0x7f9fd2314fd6. <4>[ 56.877290] RSP: 0018:ffff9bd242297e50 EFLAGS: 00010246 <4>[ 56.883444] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 56.891743] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 <4>[ 56.900041] RBP: 00007f9fd2315000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.908340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 56.916634] R13: ffff9bd242297f10 R14: ffff9bd242297f10 R15: ffff973282725000 <4>[ 56.924930] FS: 00007f9fd22e6580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 56.934298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.941035] CR2: 00007f9fd2315000 CR3: 00000001064f0000 CR4: 00000000003506e0 <4>[ 56.949331] Call Trace: <4>[ 56.952378] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae <4>[ 56.958048] ? direct_entry.cold+0x2c/0x38 <4>[ 56.962933] ? full_proxy_write+0x56/0x80 <4>[ 56.967729] ? vfs_write+0xea/0x3b0 <4>[ 56.971935] ? ksys_write+0x68/0xf0 <4>[ 56.976147] ? do_syscall_64+0x33/0x40 <4>[ 56.980646] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 dules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_<4>[ 56.986808] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 57.033293] CR2: 00007f9fd2315000 <4>[ 57.037307] ---[ end trace 5ea32422131ac854 ]--- <4>[ 57.042783] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.047475] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 57.068837] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 57.074988] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.083282] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 57.091576] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.099873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.108171] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 57.116466] FS: 00007f9fd22e6580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 57.125830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.132565] CR2: 00007f9fd2315000 CR3: 00000001064f0000 CR4: 00000000003506e0 ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 55.219626] CR2: ffff9bd24068d000 # [ 55.223639] ---[ end trace 5ea32422131ac852 ]--- # [ 55.229118] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.233811] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 55.255165] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 55.261324] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.269622] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 55.277919] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 55.286218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.294515] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 55.302813] FS: 00007f121e5a8580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 # [ 55.312182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.318919] CR2: ffff9bd24068cfd6 CR3: 0000000102876000 CR4: 00000000003506e0 # [ 55.327221] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.337470] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1650, name: cat # [ 55.346255] INFO: lockdep is turned off. # [ 55.350945] irq event stamp: 0 # [ 55.354659] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.361988] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.377696] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.387163] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.394488] CPU: 1 PID: 1650 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 55.403467] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.410395] Call Trace: # [ 55.413439] dump_stack+0x77/0x9b # [ 55.417456] ___might_sleep.cold+0xa6/0xb6 # [ 55.422348] exit_signals+0x1c/0x300 # [ 55.426650] do_exit+0xc2/0xab0 # [ 55.430467] ? ksys_write+0x68/0xf0 # [ 55.434675] make_task_dead+0x2f/0x30 # [ 55.439078] rewind_stack_and_make_dead+0x17/0x20 # [ 55.444650] RIP: 0033:0x7f121e4be473 # [ 55.448955] 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 # [ 55.470316] RSP: 002b:00007ffcfeb57d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.479100] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f121e4be473 # [ 55.487394] RDX: 000000000000000d RSI: 00007f121e3b2000 RDI: 0000000000000001 # [ 55.495688] <6>[ 57.435878] lkdtm: Performing direct entry EXEC_NULL <6>[ 57.446318] lkdtm: attempting ok execution at ffffffffac379480 RBP: 00007f121e3b2000 R08: 00007f121e3b1010 R09: 000000000000000<6>[ 57.453195] lkdtm: attempting bad execution at 0000000000000000 0 # [ 55.503981] R10: fffffffffffffbc5 R11: 0000000000000246 <1>[ 57.466365] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 57.480680] #PF: supervisor instruction fetch in kernel mode <1>[ 57.487321] #PF: error_code(0x0010) - not-present page <6>[ 57.493379] PGD 0 P4D 0 <4>[ 57.496520] Oops: 0010 [#11] SMP PTI [ 57.500828] CPU: 0 PID: 1758 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 57.515952] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.522889] RIP: 0010:0x0 <4>[ 57.526124] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 57.534129] RSP: 0018:ffff9bd242337e48 EFLAGS: 00010246 <4>[ 57.540285] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 57.548581] RDX: 0000000000000000 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 <4>[ 57.556880] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.565178] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 57.573475] R13: ffff9bd242337f10 R14: ffff9bd242337f10 R15: ffff973286404000 <4>[ 57.581772] FS: 00007f47fe228580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 57.591142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.597882] CR2: ffffffffffffffd6 CR3: 00000001064a4000 CR4: 00000000003506f0 <4>[ 57.606177] Call Trace: <4>[ 57.609224] execute_location+0x48/0x56 <4>[ 57.613829] direct_entry.cold+0x2c/0x38 <4>[ 57.618528] full_proxy_write+0x56/0x80 <4>[ 57.623127] vfs_write+0xea/0x3b0 <4>[ 57.627140] ksys_write+0x68/0xf0 <4>[ 57.631157] do_syscall_64+0x33/0x40 4: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw '<4>[ 57.635465] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 57.647653] RIP: 0033:0x7f47fe13e473 <4>[ 57.651960] 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>[ 57.673325] RSP: 002b:00007ffffc35d108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.682113] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f47fe13e473 <4>[ 57.690410] RDX: 000000000000000a RSI: 00007f47fe032000 RDI: 0000000000000001 <4>[ 57.698708] RBP: 00007f47fe032000 R08: 00007f47fe031010 R09: 0000000000000000 <4>[ 57.707004] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.715304] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # sel<4>[ 57.723612] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 57.770096] CR2: 0000000000000000 <4>[ 57.774100] ---[ end trace 5ea32422131ac855 ]--- <4>[ 57.779567] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.784257] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 57.805607] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 57.811759] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.820054] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 57.828352] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.836648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.844944] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 57.853244] FS: 00007f47fe228580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 57.862609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.869348] CR2: ffffffffffffffd6 CR3: 00000001064a4000 CR4: 00000000003506f0 <3>[ 57.877646] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 57.887894] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1758, name: cat <4>[ 57.896680] INFO: lockdep is turned off. <4>[ 57.901367] irq event stamp: 0 <4>[ 57.905084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.912408] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 57.921869] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 57.931332] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.938655] CPU: 0 PID: 1758 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 57.947632] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.954565] Call Trace: <4>[ 57.957604] dump_stack+0x77/0x9b <4>[ 57.961620] ___might_sleep.cold+0xa6/0xb6 <4>[ 57.966512] exit_signals+0x1c/0x300 <4>[ 57.970819] do_exit+0xc2/0xab0 <4>[ 57.974637] ? ksys_write+0x68/0xf0 <4>[ 57.978848] make_task_dead+0x2f/0x30 <4>[ 57.983251] rewind_stack_and_make_dead+0x17/0x20 <4>[ 57.988819] RIP: 0033:0x7f47fe13e473 <4>[ 57.993122] 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>[ 58.014485] RSP: 002b:00007ffffc35d108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.023264] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f47fe13e473 <4>[ 58.031564] RDX: 000000000000000a RSI: 00007f47fe032000 RDI: 0000000000000001 <4>[ 58.039853] RBP: 00007f47fe032000 R08: 00007f47fe031010 R09: 0000000000000000 <4>[ 58.048142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.056434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ftests: lkdtm: EXEC_RODATA.sh # Killed # [ 55.820191] lkdtm: Performing direct entry EXEC_RODATA # [ 55.832474] lkdtm: attempting ok execution at ffffffffac379480 # [ 55.845523] lkdtm: attempting bad execution at ffffffffad37e900 # [ 55.858808] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.873609] BUG: unable to handle page fault for address: ffffffffad37e900 # [ 55.881612] #PF: supervisor instruction fetch in kernel mode # [ 55.888251] #PF: error_code(0x0011) - permissions violation # [ 55.894793] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 800000010e4001e1 # [ 55.902902] Oops: 0011 [#9] SMP PTI # [ 55.907109] CPU: 3 PID: 1686 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 55.916091] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.923035] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 55.929096] Code: ff ff f5 fb a3 ac ff ff ff ff 9a 15 80 ad ff ff ff ff 3b e3 a3 ac 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 # [ 55.950448] RSP: 0018:ffff9bd2421ffe48 EFLAGS: 00010246 # [ 55.956603] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 55.964900] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 # [ 55.973196] RBP: ffffffffad37e900 R08: 0000000000000000 R09: 0000000000000000 # [ 55.981494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 55.989793] R13: ffff9bd2421fff10 R14: ffff9bd2421fff10 R15: ffff973282c5f000 # [ 55.998094] FS: 00007f45c1dd8580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 # [ 56.007464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.014200] CR2: ffffffffad37e900 CR3: 00000001061d6000 CR4: 00000000003506e0 # [ 56.022498] Call Trace: # [ 56.025540] ? execute_location+0x48/0x56 # [ 56.030334] ? direct_entry.cold+0x2c/0x38 # [ 56.035228] ? full_proxy_write+0x56/0x80 # [ 56.040024] ? vfs_write+0xea/0x3b0 # [ 56.044231] ? ksys_write+0x68/0xf0 # [ 56.048443] ? do_syscall_64+0x33/0x40 # [ 56.052939] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.059092] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 56.099348] CR2: ffffffffad37e900 # [ 56.103360] ---[ end trace 5ea32422131ac853 ]--- # [ 56.108837] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.113527] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 56.134855] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 56.141005] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.149299] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 56.157571] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 56.165848] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.174146] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 56.182445] FS: 00007f45c1dd8580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 # [ 56.191811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.198547] CR2: ffffffffad37e900 CR3: 00000001061d6000 CR4: 00000000003506e0 # [ 56.2<6>[ 58.424336] lkdtm: Performing direct entry ACCESS_USERSPACE 06838] BUG: sleeping function called from invalid context at inc<6>[ 58.433262] lkdtm: attempting bad read at 00007f0e78131000 <1>[ 58.445995] BUG: unable to handle page fault for address: 00007f0e78131000 <1>[ 58.453994] #PF: supervisor read access in kernel mode <1>[ 58.460051] #PF: error_code(0x0001) - permissions violation <6>[ 58.466593] PGD 800000010632a067 P4D 800000010632a067 PUD 105b4b067 PMD 105ace067 PTE 10844d067 <4>[ 58.476656] Oops: 0001 [#12] SMP PTI <4>[ 58.480958] CPU: 2 PID: 1793 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 58.489935] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.496878] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 58.503421] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 b8 22 80 ad e8 ce d7 fb ff 48 c7 c7 e0 22 80 ad b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 b5 d7 fb ff 48 89 ee 48 c7 c7 08 23 80 <4>[ 58.524783] RSP: 0018:ffff9bd2423a7e48 EFLAGS: 00010246 <4>[ 58.530941] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 58.539237] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffffffffad8022e0 <4>[ 58.547534] RBP: 00007f0e78131000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.555831] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 58.564131] R13: ffff9bd2423a7f10 R14: ffff9bd2423a7f10 R15: ffff9732837f5000 <4>[ 58.572433] FS: 00007f0e78102580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 58.581797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.588531] CR2: 00007f0e78131000 CR3: 0000000105bf8000 CR4: 00000000003506e0 <4>[ 58.596819] Call Trace: <4>[ 58.599861] direct_entry.cold+0x2c/0x38 <4>[ 58.604561] full_proxy_write+0x56/0x80 <4>[ 58.609164] vfs_write+0xea/0x3b0 lude/linux/percpu-rwsem.h:49 # [ 56.217057] in_atomic(): 0, i<4>[ 58.613179] ksys_write+0x68/0xf0 <4>[ 58.623423] do_syscall_64+0x33/0x40 <4>[ 58.627729] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 58.633689] RIP: 0033:0x7f0e78018473 <4>[ 58.637990] 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>[ 58.659350] RSP: 002b:00007ffd6d084558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.668127] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f0e78018473 <4>[ 58.676423] RDX: 0000000000000011 RSI: 00007f0e77f0c000 RDI: 0000000000000001 <4>[ 58.684723] RBP: 00007f0e77f0c000 R08: 00007f0e77f0b010 R09: 0000000000000000 <4>[ 58.693020] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.701319] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rqs_disabled(): 1, non_block: 0, pid: 1686, name: cat # [ 56.<4>[ 58.709628] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 58.756112] CR2: 00007f0e78131000 <4>[ 58.760125] ---[ end trace 5ea32422131ac856 ]--- <4>[ 58.765596] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.770289] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 58.791647] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 58.797801] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.806096] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 58.814393] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.822689] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.830985] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 58.839279] FS: 00007f0e78102580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 58.848647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.855383] CR2: 00007f0e78131000 CR3: 0000000105bf8000 CR4: 00000000003506e0 225826] INFO: lockdep is turned off. # [ 56.230516] irq event stamp: 0 # [ 56.234232] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.241561] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.251033] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.260502] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.267828] CPU: 3 PID: 1686 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 56.276808] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.283740] Call Trace: # [ 56.286781] dump_stack+0x77/0x9b # [ 56.290797] ___might_sleep.cold+0xa6/0xb6 # [ 56.295694] exit_signals+0x1c/0x300 # [ 56.299999] do_exit+0xc2/0xab0 # [ 56.303814] ? ksys_write+0x68/0xf0 # [ 56.308013] make_task_dead+0x2f/0x30 # [ 56.312408] rewind_stack_and_make_dead+0x17/0x20 # [ 56.317978] RIP: 0033:0x7f45c1cee473 # [ 56.322284] 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 # [ 56.343636] RSP: 002b:00007ffedacee3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.352424] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f45c1cee473 # [ 56.360721] RDX: 000000000000000c RSI: 00007f45c1be2000 RDI: 0000000000000001 # [ 56.369018] RBP: 00007f45c1be2000 R08: 00007f45c1be1010 R09: 0000000000000000 # [ 56.377314] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.385610] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.755958] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.768392] lkdtm: attempting ok execution at ffffffffac379480 # [ 56.775320] lkdtm: attempting bad execution at 00007f9fd2315000 # [ 56.788514] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.801444] BUG: unable to handle page fault for address: 00007f9fd2315000 # [ 56.809450] #PF: supervisor instruction fetch in kernel mode # [ 56.816093] #PF: error_code(0x0011) - permissions violation # [ 56.822639] PGD 8000000105ace067 P4D 8000000105ace067 PUD 103328067 PMD 103483067 PTE 10a599067 # [ 56.838929] Oops: 0011 [#10] SMP PTI # [ 56.843227] CPU: 2 PID: 1722 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 56.858434] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.865373] RIP: 0010:0x7f9fd2315000 # [ 56.869676] Code: Unable to access opcode bytes at RIP 0x7f9fd2314fd6. # [ 56.877290] RSP: 0018:ffff9bd242297e50 EFLAGS: 00010246 # [ 56.883444] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 56.891743] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 # [ 56.900041] RBP: 00007f9fd2315000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.908340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 56.916634] R13: ffff9bd242297f10 R14: ffff9bd242297f10 R15: ffff973282<6>[ 59.174586] lkdtm: Performing direct entry ACCESS_NULL <6>[ 59.181777] lkdtm: attempting bad read at 0000000000000000 <1>[ 59.188267] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 59.196378] #PF: supervisor read access in kernel mode <1>[ 59.202435] #PF: error_code(0x0000) - not-present page <6>[ 59.208490] PGD 0 P4D 0 725000 # [ 56.924930] FS: 00007f9fd22e6580(0000) GS:ffff9732<4>[ 59.211633] Oops: 0000 [#13] SMP PTI <4>[ 59.222160] CPU: 0 PID: 1828 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 59.231140] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.238082] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 59.243656] Code: 72 d7 fb ff be 00 10 00 00 48 89 ef e8 10 65 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b8 22 80 ad e8 4c d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 e0 22 80 ad 48 01 <4>[ 59.265011] RSP: 0018:ffff9bd242457e58 EFLAGS: 00010246 <4>[ 59.271165] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 59.279465] RDX: 0000000000000000 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 <4>[ 59.287762] RBP: ffffffffad8013a9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.296058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 59.304353] R13: ffff9bd242457f10 R14: ffff9bd242457f10 R15: ffff973283464000 <4>[ 59.312652] FS: 00007fce48c5f580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 59.322024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.328763] CR2: 0000000000000000 CR3: 00000001044c8000 CR4: 00000000003506f0 <4>[ 59.337060] Call Trace: <4>[ 59.340105] direct_entry.cold+0x2c/0x38 <4>[ 59.344804] full_proxy_write+0x56/0x80 <4>[ 59.349405] vfs_write+0xea/0x3b0 <4>[ 59.353419] ksys_write+0x68/0xf0 <4>[ 59.357436] do_syscall_64+0x33/0x40 <4>[ 59.361741] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 59.367693] RIP: 0033:0x7fce48b75473 <4>[ 59.371995] 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>[ 59.393349] RSP: 002b:00007ffe14ed7278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.402137] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fce48b75473 <4>[ 59.410433] RDX: 000000000000000c RSI: 00007fce48a69000 RDI: 0000000000000001 <4>[ 59.418726] RBP: 00007fce48a69000 R08: 00007fce48a68010 R09: 0000000000000000 <4>[ 59.427018] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.435305] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fbd00000(0000) knlGS:0000000000000000 # [ 56.934298] CS: 001<4>[ 59.443596] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 59.490073] CR2: 0000000000000000 <4>[ 59.494082] ---[ end trace 5ea32422131ac857 ]--- <4>[ 59.499554] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.504249] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 59.525600] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 59.531753] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.540038] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 59.548329] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.556624] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.564922] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 59.573221] FS: 00007fce48c5f580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 59.582586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.589324] CR2: 0000000000000000 CR3: 00000001044c8000 CR4: 00000000003506f0 <3>[ 59.597625] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 59.607874] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1828, name: cat <4>[ 59.616655] INFO: lockdep is turned off. <4>[ 59.621344] irq event stamp: 0 <4>[ 59.625061] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.632387] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.641837] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.651300] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.658615] CPU: 0 PID: 1828 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 59.667580] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.674496] Call Trace: <4>[ 59.677535] dump_stack+0x77/0x9b <4>[ 59.681549] ___might_sleep.cold+0xa6/0xb6 <4>[ 59.686440] exit_signals+0x1c/0x300 <4>[ 59.690748] do_exit+0xc2/0xab0 <4>[ 59.694567] ? ksys_write+0x68/0xf0 <4>[ 59.698776] make_task_dead+0x2f/0x30 <4>[ 59.703181] rewind_stack_and_make_dead+0x17/0x20 <4>[ 59.708754] RIP: 0033:0x7fce48b75473 <4>[ 59.713049] 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>[ 59.734398] RSP: 002b:00007ffe14ed7278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.743188] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fce48b75473 <4>[ 59.751485] RDX: 000000000000000c RSI: 00007fce48a69000 RDI: 0000000000000001 <4>[ 59.759772] RBP: 00007fce48a69000 R08: 00007fce48a68010 R09: 0000000000000000 <4>[ 59.768061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.776347] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.941035] CR2: 00007f9fd2315000 CR3: 00000001064f0000 CR4: 00000000003506e0 # [ 56.949331] Call Trace: # [ 56.952378] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 56.958048] ? direct_entry.cold+0x2c/0x38 # [ 56.962933] ? full_proxy_write+0x56/0x80 # [ 56.967729] ? vfs_write+0xea/0x3b0 # [ 56.971935] ? ksys_write+0x68/0xf0 # [ 56.976147] ? do_syscall_64+0x33/0x40 # [ 56.980646] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.986808] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 57.033293] CR2: 00007f9fd2315000 # [ 57.037307] ---[ end trace 5ea32422131ac854 ]--- # [ 57.042783] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.047475] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 57.068837] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 57.074988] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.083282] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 57.091576] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 57.099873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.108171] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 57.116466] FS: 00007f9fd22e6580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 57.125830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.132565] CR2: 00007f9fd2315000 CR3: 00000001064f0000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 57.435878] lkdtm: Performing direct entry EXEC_NULL # [ 57.446318] lkdtm: attempting ok execution at ffffffffac379480 # [ 57.453195] lkdtm: attempting bad execution at 0000000000000000 # [ 57.466365] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.480680] #PF: supervisor instruction fetch in kernel mode # [ 57.487321] #PF: error_code(0x0010) - not-present page # [ 57.493379] PGD 0 P4D 0 # [ 57.496520] Oops: 0010 [#11] SMP PTI # [ 57.500828] CPU: 0 PID: 1758 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 57.515952] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.522889] RIP: 0010:0x0 # [ 57.526124] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 57.534129] RSP: 0018:ffff9bd242337e48 EFLAGS: 00010246 # [ 57.540285] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.548581] RDX: 0000000000000000 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 # [ 57.556880] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.565178] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 57.573475] R13: ffff9bd242337f10 R14: ffff9bd242337f10 R15: ffff973286404000 # [ 57.581772] FS: 00007f47fe228580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 57.591142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.597882] CR2: ffffffffffffffd6 CR3: 00000001064a4000 CR4: 00000000003506f0 # [ 57.606177] Call Trace: # [ 57.609224] execute_location+0x48/0x56 # [ 57.613829] direct_entry.cold+0x2c/0x38 # [ 57.618528] full_proxy_write+0x56/0x80 # [ 57.623127] vfs_write+0xea/0x3b0 # [ 57.627140] ksys_write+0x68/0xf0 # [ 57.631157] do_syscall_64+0x33/0x40 # [ 57.635465] entry_SYSCALL_64_after_hwframe+0x61/0xc6 #<6>[ 60.170287] lkdtm: Performing direct entry WRITE_RO <6>[ 60.176986] lkdtm: attempting bad rodata write at ffffffffad37e8f0 <1>[ 60.184252] BUG: unable to handle page fault for address: ffffffffad37e8f0 < 1[ 57.647653] RIP: 0033:0x7f47fe13e473 # [ 57.651960] Code>[ 60.192252] #PF: supervisor write access in kernel mode <1>[ 60.204549] #PF: error_code(0x0003) - permissions violation <6>[ 60.211094] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 800000010e4001e1 <4>[ 60.219213] Oops: 0003 [#14] SMP PTI <4>[ 60.223519] CPU: 1 PID: 1863 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 60.232499] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.239438] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 60.244720] Code: 00 48 c7 c7 98 21 80 ad 48 c7 c6 f0 e8 37 ad e8 f6 d9 fb ff 48 8b 05 6a 02 94 00 ba 34 12 cd ab 48 c7 c7 c8 21 80 ad 48 31 d0 <48> 89 05 54 02 94 00 e9 d4 d9 fb ff 0f 1f 44 00 00 48 8b 05 83 8c <4>[ 60.266080] RSP: 0018:ffff9bd2424e7e60 EFLAGS: 00010202 <4>[ 60.272230] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 60.280528] RDX: 00000000abcd1234 RSI: ffff9732fbc9bf70 RDI: ffffffffad8021c8 <4>[ 60.288827] RBP: ffffffffad8013b5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.297122] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 60.305421] R13: ffff9bd2424e7f10 R14: ffff9bd2424e7f10 R15: ffff973285a44000 <4>[ 60.313724] FS: 00007f0b7a3d4580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 <4>[ 60.323091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.329829] CR2: ffffffffad37e8f0 CR3: 00000001032fa000 CR4: 00000000003506e0 <4>[ 60.338124] Call Trace: <4>[ 60.341169] direct_entry.cold+0x2c/0x38 <4>[ 60.345866] full_proxy_write+0x56/0x80 <4>[ 60.350468] vfs_write+0xea/0x3b0 <4>[ 60.354484] ksys_write+0x68/0xf0 <4>[ 60.358498] do_syscall_64+0x33/0x40 <4>[ 60.362796] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 60.368760] RIP: 0033:0x7f0b7a2ea473 <4>[ 60.373063] 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>[ 60.394412] RSP: 002b:00007ffd865ad7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.403201] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0b7a2ea473 <4>[ 60.411495] RDX: 0000000000000009 RSI: 00007f0b7a1de000 RDI: 0000000000000001 <4>[ 60.419783] RBP: 00007f0b7a1de000 R08: 00007f0b7a1dd010 R09: 0000000000000000 <4>[ 60.428079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.436376] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f <4>[ 60.444684] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 60.491130] CR2: ffffffffad37e8f0 <4>[ 60.495146] ---[ end trace 5ea32422131ac858 ]--- <4>[ 60.500625] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.505319] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 60.526676] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 60.532830] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.541128] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 60.549422] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.557722] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.566019] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 60.574314] FS: 00007f0b7a3d4580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 <4>[ 60.583685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.590425] CR2: ffffffffad37e8f0 CR3: 00000001032fa000 CR4: 00000000003506e0 <3>[ 60.598725] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 60.608973] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1863, name: cat <4>[ 60.617759] INFO: lockdep is turned off. <4>[ 60.622448] irq event stamp: 0 <4>[ 60.626164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <<4>[ 60.633492] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 60.649190] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 60.658661] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.665984] CPU: 1 PID: 1863 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 60.674962] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.681893] Call Trace: <4>[ 60.684933] dump_stack+0x77/0x9b <4>[ 60.688950] ___might_sleep.cold+0xa6/0xb6 <4>[ 60.693846] exit_signals+0x1c/0x300 <4>[ 60.698153] do_exit+0xc2/0xab0 <4>[ 60.701974] ? ksys_write+0x68/0xf0 <4>[ 60.706182] make_task_dead+0x2f/0x30 <4>[ 60.710584] rewind_stack_and_make_dead+0x17/0x20 <4>[ 60.716154] RIP: 0033:0x7f0b7a2ea473 <4>[ 60.720457] 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>[ 60.741814] RSP: 002b:00007ffd865ad7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.750604] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0b7a2ea473 <4>[ 60.758904] RDX: 0000000000000009 RSI: 00007f0b7a1de000 RDI: 0000000000000001 <4>[ 60.767201] RBP: 00007f0b7a1de000 R08: 00007f0b7a1dd010 R09: 0000000000000000 <4>[ 60.775498] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.783794] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.673325] RSP: 002b:00007ffffc35d108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.682113] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f47fe13e473 # [ 57.690410] RDX: 000000000000000a RSI: 00007f47fe032000 RDI: 0000000000000001 # [ 57.698708] RBP: 00007f47fe032000 R08: 00007f47fe031010 R09: 0000000000000000 # [ 57.707004] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.715304] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.723612] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 57.770096] CR2: 0000000000000000 # [ 57.774100] ---[ end trace 5ea32422131ac855 ]--- # [ 57.779567] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.784257] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 57.805607] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 57.811759] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.820054] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 57.828352] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 57.836648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.844944] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 57.853244] FS: 00007f47fe228580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 57.862609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.869348] CR2: ffffffffffffffd6 CR3: 00000001064a4000 CR4: 00000000003506f0 # [ 57.877646] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.887894] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1758, name: cat # [ 57.896680] INFO: lockdep is turned off. # [ 57.901367] irq event stamp: 0 # [ 57.905084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.912408] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 57.921869] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 57.931332] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.938655] CPU: 0 PID: 1758 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 57.947632] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.954565] Call Trace: # [ 57.957604] dump_stack+0x77/0x9b # [ 57.961620] ___might_sleep.cold+0xa6/0xb6 # [ 57.966512] exit_signals+0x1c/0x300 # [ 57.970819] do_exit+0xc2/0xab0 # [ 57.974637] ? ksys_write+0x68/0xf0 # [ 57.978848] make_task_dead+0x2f/0x30 # [ 57.983251] rewind_stack_and_make_dead+0x17/0x20 # [ 57.988819] RIP: 0033:0x7f47fe13e473 # [ 57.993122] 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 # [ 58.014485] RSP: 002b:00007ffffc35d108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.023264] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f47fe13e473 # [ 58.031564] RDX: 000000000000000a RSI: 00007f47fe032000 RDI: 0000000000000001 # [ 58.039853] RBP: 00007f47fe032000 R08: 00007f47fe031010 R09: 0000000000000000 # [ 58.048142] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.056434] R13:<6>[ 61.171274] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 61.179468] lkdtm: attempting bad ro_after_init write at ffffffffad887330 <1>[ 61.187432] BUG: unable to handle page fault for address: ffffffffad887330 <1>[ 61.195444] #PF: supervisor write access in kernel mode <1>[ 61.201599] #PF: error_code(0x0003) - permissions violation <6>[ 61.208143] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 102727163 PTE 800000010ea87061 <4>[ 61.217532] Oops: 0003 [#15] SMP PTI <4>[ 61.221837] CPU: 0 PID: 1898 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 61.230811] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.237753] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 61.244106] Code: 21 80 ad e9 a8 d9 fb ff 48 c7 c7 20 22 80 ad e8 9c d9 fb ff 48 8b 05 50 8c e4 00 ba 34 12 cd ab 48 c7 c7 c8 21 80 ad 48 31 d0 <48> 89 05 3a 8c e4 00 e9 7a d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 61.265466] RSP: 0018:ffff9bd24257fe60 EFLAGS: 00010202 <4>[ 61.271623] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 61.279919] RDX: 00000000abcd1234 RSI: ffff9732fbc1bf70 RDI: ffffffffad8021c8 <4>[ 61.288217] RBP: ffffffffad8013be R08: 0000000000000000 R09: 0000000000000000 <4>[ 61.296515] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 61.304809] R13: ffff9bd24257ff10 R14: ffff9bd24257ff10 R15: ffff97328444c000 <4>[ 61.313110] FS: 00007f31cc983580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 61.322479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.329217] CR2: ffffffffad887330 CR3: 00000001027fa000 CR4: 00000000003506f0 <4>[ 61.337511] Call Trace: <4>[ 61.340554] direct_entry.cold+0x2c/0x38 <4>[ 61.345250] full_proxy_write+0x56/0x80 <4>[ 61.349837] vfs_write+0xea/0x3b0 <4>[ 61.353851] ksys_write+0x68/0xf0 <4>[ 61.357856] do_syscall_64+0x33/0x40 <4>[ 61.362157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 61.368110] RIP: 0033:0x7f31cc899473 <4>[ 61.372409] 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>[ 61.393740] RSP: 002b:00007fff04b1b9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.402522] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f31cc899473 <4>[ 61.410803] RDX: 0000000000000014 RSI: 00007f31cc78d000 RDI: 0000000000000001 <4>[ 61.419091] RBP: 00007f31cc78d000 R08: 00007f31cc78c010 R09: 0000000000000000 <4>[ 61.427383] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.435668] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #<4>[ 61.443971] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 61.490438] CR2: ffffffffad887330 <4>[ 61.494441] ---[ end trace 5ea32422131ac859 ]--- <4>[ 61.499910] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 61.504605] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 61.525952] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 61.532101] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 61.540372] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 61.548665] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 61.556962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 61.565258] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 61.573557] FS: 00007f31cc983580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 61.582925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.589662] CR2: ffffffffad887330 CR3: 00000001027fa000 CR4: 00000000003506f0 EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 58.424336] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 58.433262] lkdtm: attempting bad read at 00007f0e78131000 # [ 58.445995] BUG: unable to handle page fault for address: 00007f0e78131000 # [ 58.453994] #PF: supervisor read access in kernel mode # [ 58.460051] #PF: error_code(0x0001) - permissions violation # [ 58.466593] PGD 800000010632a067 P4D 800000010632a067 PUD 105b4b067 PMD 105ace067 PTE 10844d067 # [ 58.476656] Oops: 0001 [#12] SMP PTI # [ 58.480958] CPU: 2 PID: 1793 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 58.489935] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.496878] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 58.503421] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 b8 22 80 ad e8 ce d7 fb ff 48 c7 c7 e0 22 80 ad b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 b5 d7 fb ff 48 89 ee 48 c7 c7 08 23 80 # [ 58.524783] RSP: 0018:ffff9bd2423a7e48 EFLAGS: 00010246 # [ 58.530941] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 58.539237] RDX: 0000000000000000 RSI: ffff9732fbd1bf70 RDI: ffffffffad8022e0 # [ 58.547534] RBP: 00007f0e78131000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.555831] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 58.564131] R13: ffff9bd2423a7f10 R14: ffff9bd2423a7f10 R15: ffff9732837f5000 # [ 58.572433] FS: 00007f0e78102580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 58.581797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.588531] CR2: 00007f0e78131000 CR3: 0000000105bf8000 CR4: 00000000003506e0 # [ 58.596819] Call Trace: # [ 58.599861] direct_entry.cold+0x2c/0x38 # [ 58.604561] full_proxy_write+0x56/0x80 # [ 58.609164] vfs_write+0xea/0x3b0 # [ 58.613179] ksys_write+0x68/0xf0 # [ 58.623423] do_syscall_64+0x33/0x40 # [ 58.627729] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.633689] RIP: 0033:0x7f0e78018473 # [ 58.637990] 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 # [ 58.659350] RSP: 002b:00007ffd6d084558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.668127] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f0e78018473 # [ 58.676423] RDX: 0000000000000011 RSI: 00007f0e77f0c000 RDI: 0000000000000001 # [ 58.684723] RBP: 00007f0e77f0c000 R08: 00007f0e77f0b010 R09: 0000000000000000 # [ 58.693020] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.701319] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.709628] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 58.756112] CR2: 00007f0e78131000 # [ 58.760125] ---[ end trace 5ea32422131ac856 ]--- # [ 58.765596] RIP: 0010:l<6>[ 61.924007] lkdtm: Performing direct entry WRITE_KERN kdtm_BUG+0x5/0x10 # [ 58.770289] Code: 89 ff e8 ae ea 79 ff 4<6>[ 61.934732] lkdtm: attempting bad 7098752 byte write at ffffffffaca3e600 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48<1>[ 61.948806] BUG: unable to handle page fault for address: ffffffffaca3e600 <1>[ 61.963042] #PF: supervisor write access in kernel mode <1>[ 61.969200] #PF: error_code(0x0003) - permissions violation <6>[ 61.975744] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 10dc001e1 <4>[ 61.983179] Oops: 0003 [#16] SMP PTI <4>[ 61.987488] CPU: 1 PID: 1933 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 61.996467] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.003410] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 62.008886] Code: 53 48 c7 c3 00 e6 a3 ac 49 89 dc 48 89 da 49 81 ec 80 94 37 ac 4c 89 e6 e8 4f d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 80 94 37 ac a4 48 c7 c7 c8 21 80 ad e8 34 d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 62.030242] RSP: 0018:ffff9bd24261fe50 EFLAGS: 00010246 <4>[ 62.036398] RAX: 000000000000003c RBX: ffffffffaca3e600 RCX: 00000000006c5180 <4>[ 62.044694] RDX: 0000000000000000 RSI: ffffffffac379480 RDI: ffffffffaca3e600 <4>[ 62.052992] RBP: ffffffffad8013d2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.061291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c5180 <4>[ 62.069590] R13: ffff9bd24261ff10 R14: ffff9bd24261ff10 R15: ffff973283638000 <4>[ 62.077890] FS: 00007f60a5a40580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 <4>[ 62.087261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.094001] CR2: ffffffffaca3e600 CR3: 00000001031d4000 CR4: 00000000003506e0 <4>[ 62.102296] Call Trace: <4>[ 62.105345] direct_entry.cold+0x2c/0x38 <4>[ 62.110047] full_proxy_write+0x56/0x80 <4>[ 62.114643] vfs_write+0xea/0x3b0 <4>[ 62.118656] ksys_write+0x68/0xf0 <4>[ 62.122671] do_syscall_64+0x33/0x40 <4>[ 62.126977] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 62.132938] RIP: 0033:0x7f60a5956473 <4>[ 62.137243] 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>[ 62.158602] RSP: 002b:00007fffb7fadd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.167393] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f60a5956473 <4>[ 62.175691] RDX: 000000000000000b RSI: 00007f60a584a000 RDI: 0000000000000001 <4>[ 62.183988] RBP: 00007f60a584a000 R08: 00007f60a5849010 R09: 0000000000000000 <4>[ 62.192286] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.200581] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0<4>[ 62.208891] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 62.255334] CR2: ffffffffaca3e600 <4>[ 62.259347] ---[ end trace 5ea32422131ac85a ]--- <4>[ 62.264827] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 62.269521] Code: 89 ff e8 ae ea 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 00 7b ea 02 <4>[ 62.290878] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 <4>[ 62.297034] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 62.305333] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 <4>[ 62.313632] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 <4>[ 62.321928] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 62.330226] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 <4>[ 62.338524] FS: 00007f60a5a40580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 <4>[ 62.347894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.354633] CR2: ffffffffaca3e600 CR3: 00000001031d4000 CR4: 00000000003506e0 <3>[ 62.362935] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 62.373182] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1933, name: cat <4>[ 62.381967] INFO: lockdep is turned off. <4>[ 62.386657] irq event stamp: 0 <4>[ 62.390374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.397699] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 62.407169] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 62.416635] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 62.423963] CPU: 1 PID: 1933 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 62.432944] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.439876] Call Trace: <4>[ 62.442918] dump_stack+0x77/0x9b <4>[ 62.446935] ___might_sleep.cold+0xa6/0xb6 <4>[ 62.451829] exit_signals+0x1c/0x300 <4>[ 62.456133] do_exit+0xc2/0xab0 0 00 00 00 0f 1f 44 00 00 83 05 00 7b ea 02 # [ 58.791647] RS<4>[ 62.459951] ? ksys_write+0x68/0xf0 <4>[ 62.470389] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 62.476155] make_task_dead+0x2f/0x30 <4>[ 62.480559] rewind_stack_and_make_dead+0x17/0x20 <4>[ 62.486130] RIP: 0033:0x7f60a5956473 P: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 58.797801] RAX:<4>[ 62.490435] 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>[ 62.518026] RSP: 002b:00007fffb7fadd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.526815] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f60a5956473 <4>[ 62.535113] RDX: 000000000000000b RSI: 00007f60a584a000 RDI: 0000000000000001 <4>[ 62.543406] RBP: 00007f60a584a000 R08: 00007f60a5849010 R09: 0000000000000000 <4>[ 62.551691] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.559975] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.806096] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 58.814393] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 58.822689] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.830985] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 58.839279] FS: 00007f0e78102580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 58.848647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.855383] CR2: 00007f0e78131000 CR3: 0000000105bf8000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 59.174586] lkdtm: Performing direct entry ACCESS_NULL # [ 59.181777] lkdtm: attempting bad read at 0000000000000000 # [ 59.188267] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 59.196378] #PF: supervisor read access in kernel mode # [ 59.202435] #PF: error_code(0x0000) - not-present page # [ 59.208490] PGD 0 P4D 0 # [ 59.211633] Oops: 0000 [#13] SMP PTI # [ 59.222160] CPU: 0 PID: 1828 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 59.231140] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.238082] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 59.243656] Code: 72 d7 fb ff be 00 10 00 00 48 89 ef e8 10 65 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b8 22 80 ad e8 4c d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 e0 22 80 ad 48 01 # [ 59.265011] RSP: 0018:ffff9bd242457e58 EFLAGS: 00010246 # [ 59.271165] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 59.279465] RDX: 0000000000000000 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 # [ 59.287762] RBP: ffffffffad8013a9 R08: 0000000000000000 R09: 0000000000000000 # [ 59.296058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 59.304353] R13: ffff9bd242457f10 R14: ffff9bd242457f10 R15: ffff973283464000 # [ 59.312652] FS: 00007fce48c5f580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 59.322024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.328763] CR2: 0000000000000000 CR3: 00000001044c8000 CR4: 00000000003506f0 # [ 59.337060] Call Trace: # [ 59.340105] direct_entry.cold+0x2c/0x38 # [ 59.344804] full_proxy_write+0x56/0x80 # [ 59.349405] vfs_write+0xea/0x3b0 # [ 59.353419] ksys_write+0x68/0xf0 # [ 59.357436] do_syscall_64+0x33/0x40 # [ 59.361741] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.367693] RIP: 0033:0x7fce48b75473 # [ 59.371995] 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 # [ 59.393349] RSP: 002b:00007ffe14ed7278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.402137] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fce48b75473 # [ 59.410433] RDX: 000000000000000c RSI: 00007fce48a69000 RDI: 0000000000000001 # [ 59.418726] RBP: 00007fce48a69000 R08: 00007fce48a68010 R09: 0000000000000000 # [ 59.427018] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.435305] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.443596] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 59.490073] CR2: 0000000000000000 # [ 59.494082] ---[ end trace 5ea32422131ac857 ]--- # [ 59.499554] RIP: 0010:lkdtm_BUG+0<6>[ 62.950859] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 62.962121] lkdtm: attempting good refcount_inc() without overflow <6>[ 62.969383] lkdtm: attempting bad refcount_inc() overflow <4>[ 62.975765] ------------[ cut here ]------------ <4>[ 62.981262] refcount_t: saturated; leaking memory. <4>[ 62.987008] WARNING: CPU: 0 PID: 1968 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 x5/0x10 # [ 59.504249] Code: 89 ff e8 ae ea 79 ff 48 c7 c0 ea<4>[ 62.996794] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 63.043295] CPU: 0 PID: 1968 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 63.052293] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 63.059250] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 63.065429] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 75 ad c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 <4>[ 63.086817] RSP: 0018:ffff9bd24269fe48 EFLAGS: 00010286 <4>[ 63.092993] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 63.101310] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 <4>[ 63.109604] RBP: ffffffffad8013dd R08: 0000000000000000 R09: 0000000000000000 <4>[ 63.117920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 63.126234] R13: ffff9bd24269ff10 R14: ffff9bd24269ff10 R15: ffff973286278000 <4>[ 63.134556] FS: 00007fdf8ad40580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 63.143947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.150706] CR2: 00007fdf8ab4a000 CR3: 0000000103684000 CR4: 00000000003506f0 <4>[ 63.159024] Call Trace: <4>[ 63.162092] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 63.167786] direct_entry.cold+0x2c/0x38 <4>[ 63.172507] full_proxy_write+0x56/0x80 <4>[ 63.177132] vfs_write+0xea/0x3b0 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 <4>[ 63.181170] ksys_write+0x68/0xf0 <4>[ 63.191439] do_syscall_64+0x33/0x40 <4>[ 63.195767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 63.201754] RIP: 0033:0x7fdf8ac56473 <4>[ 63.206080] 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>[ 63.227459] RSP: 002b:00007ffc36fdc7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00<4>[ 63.236263] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdf8ac56473 0f 1f 44 00 00 83 05 00 7b ea 02 # [ 59.525600] RSP: 0018:ff<4>[ 63.250802] RDX: 0000000000000016 RSI: 00007fdf8ab4a000 RDI: 0000000000000001 <4>[ 63.265339] RBP: 00007fdf8ab4a000 R08: 00007fdf8ab49010 R09: 0000000000000000 <4>[ 63.273659] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.281968] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 63.290300] irq event stamp: 0 <4>[ 63.294041] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 63.301433] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 63.310954] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 63.320448] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 63.327783] ---[ end trace 5ea32422131ac85b ]--- <6>[ 63.333271] lkdtm: Overflow detected: saturated ff9bd24125fe60 EFLAGS: 00010282 # [ 59.531753] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.540038] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 59.548329] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 59.556624] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.564922] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 59.573221] FS: 00007fce48c5f580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 59.582586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.589324] CR2: 0000000000000000 CR3: 00000001044c8000 CR4: 00000000003506f0 # [ 59.597625] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.607874] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1828, name: cat # [ 59.616655] INFO: lockdep is turned off. # [ 59.621344] irq event stamp: 0 # [ 59.625061] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.632387] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 59.641837] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 59.651300] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.658615] CPU: 0 PID: 1828 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 59.667580] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.674496] Call Trace: # [ 59.677535] dump_stack+0x77/0x9b # [ 59.681549] ___might_sleep.cold+0xa6/0xb6 # [ 59.686440] exit_signals+0x1c/0x300 # [ 59.690748] do_exit+0xc2/0xab0 # [ 59.694567] ? ksys_write+0x68/0xf0 # [ 59.698776] make_task_dead+0x2f/0x30 # [ 59.703181] rewind_stack_and_make_dead+0x17/0x20 # [ 59.708754] RIP: 0033:0x7fce48b75473 # [ 59.713049] 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 # [ 59.734398] RSP: 002b:00007ffe14ed7278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.743188] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fce48b75473 # [ 59.751485] RDX: 000000000000000c RSI: 00007fce48a69000 RDI: 0000000000000001 # [ 59.759772] RBP: 00007fce48a69000 R08: 00007fce48a68010 R09: 0000000000000000 # [ 59.768061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.776347] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 60.170287] lkdtm: Performing direct entry WRITE_RO # [ 60.176986] lkdtm: attempting bad rodata write at ffffffffad37e8f0 # [ 60.184252] BUG: unable to handle page fault for address: ffffffffad37e8f0 # [ 60.192252] #PF: supervisor write access in kernel mode # [ 60.204549] #PF: error_code(0x0003) - permissions violation # [ 60.211094] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 800000010e4001e1 # [ 60.219213] Oops: 0003 [#14] SMP PTI # [ 60.223519] CPU: 1 PID: 1863 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 60.232499] Hardware name: Google Coral/Coral, BIOS 09/<6>[ 63.661524] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 63.670286] lkdtm: attempting good refcount_add() without overflow <6>[ 63.677548] lkdtm: attempting bad refcount_add() overflow <4>[ 63.683929] ------------[ cut here ]------------ <4>[ 63.689422] refcount_t: saturated; leaking memory. 29/2020 # [ 60.239438] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # <4>[ 63.695163] WARNING: CPU: 2 PID: 2000 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 60.244720] Code: 00 48 c7 c7 98 21 80 ad 48 c7 c6 f0 e8 37 a<4>[ 63.711154] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 63.757636] CPU: 2 PID: 2000 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 63.766630] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 63.773589] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 63.779777] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 75 ad c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 <4>[ 63.801157] RSP: 0018:ffff9bd242727e48 EFLAGS: 00010286 <4>[ 63.807336] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 63.815652] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 <4>[ 63.823968] RBP: ffffffffad8013f3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 63.832287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 63.840606] R13: ffff9bd242727f10 R14: ffff9bd242727f10 R15: ffff9732830f6000 <4>[ 63.848924] FS: 00007fe374fc7580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 63.858313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.865079] CR2: 00007fe374dd1000 CR3: 00000001059f2000 CR4: 00000000003506e0 <4>[ 63.873400] Call Trace: <4>[ 63.876469] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 <4>[ 63.882169] direct_entry.cold+0x2c/0x38 <4>[ 63.886890] full_proxy_write+0x56/0x80 <4>[ 63.891515] vfs_write+0xea/0x3b0 <4>[ 63.895543] ksys_write+0x68/0xf0 <4>[ 63.899582] do_syscall_64+0x33/0x40 <4>[ 63.903910] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 63.909907] RIP: 0033:0x7fe374edd473 <4>[ 63.914238] 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>[ 63.935623] RSP: 002b:00007ffe00f3bf48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 d e8 f6 d9 fb ff 48 8b 05 6a 02 94 00 ba 34 12 cd ab 48 c7 c7 c8<4>[ 63.944440] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe374edd473 21 80 ad 48 31 d0 <48> 89 05 54 02 94 00 e9 d4 d9 fb ff 0f 1f 4<4>[ 63.958967] RDX: 0000000000000016 RSI: 00007fe374dd1000 RDI: 0000000000000001 <4>[ 63.973521] RBP: 00007fe374dd1000 R08: 00007fe374dd0010 R09: 0000000000000000 <4>[ 63.981840] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.990156] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4 00 00 48 8b 05 83 8c # [ 60.266080] RSP: 0018:ffff9bd2424e7<4>[ 63.998487] irq event stamp: 0 <4>[ 64.008473] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 64.015857] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 64.025352] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 64.034840] softirqs last disabled at (0): [<0000000000000000>] 0x0 e60 EFLAGS: 00010202 # [ 60.272230] RAX: 000000000198b861 RBX<4>[ 64.042183] ---[ end trace 5ea32422131ac85c ]--- <6>[ 64.053902] lkdtm: Overflow detected: saturated : 0000000000000028 RCX: 0000000000000000 # [ 60.280528] RDX: 00000000abcd1234 RSI: ffff9732fbc9bf70 RDI: ffffffffad8021c8 # [ 60.288827] RBP: ffffffffad8013b5 R08: 0000000000000000 R09: 0000000000000000 # [ 60.297122] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 60.305421] R13: ffff9bd2424e7f10 R14: ffff9bd2424e7f10 R15: ffff973285a44000 # [ 60.313724] FS: 00007f0b7a3d4580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 # [ 60.323091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.329829] CR2: ffffffffad37e8f0 CR3: 00000001032fa000 CR4: 00000000003506e0 # [ 60.338124] Call Trace: # [ 60.341169] direct_entry.cold+0x2c/0x38 # [ 60.345866] full_proxy_write+0x56/0x80 # [ 60.350468] vfs_write+0xea/0x3b0 # [ 60.354484] ksys_write+0x68/0xf0 # [ 60.358498] do_syscall_64+0x33/0x40 # [ 60.362796] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.368760] RIP: 0033:0x7f0b7a2ea473 # [ 60.373063] 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 # [ 60.394412] RSP: 002b:00007ffd865ad7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.403201] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0b7a2ea473 # [ 60.411495] RDX: 0000000000000009 RSI: 00007f0b7a1de000 RDI: 0000000000000001 # [ 60.419783] RBP: 00007f0b7a1de000 R08: 00007f0b7a1dd010 R09: 0000000000000000 # [ 60.428079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.436376] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.444684] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 60.491130] CR2: ffffffffad37e8f0 # [ 60.495146] ---[ end trace 5ea32422131ac858 ]--- # [ 60.500625] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.505319] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 60.526676] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 60.532830] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.541128] RDX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ 60.549422] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000000000000001 # [ 60.557722] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.566019] R13: ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 60.574314] FS: 00007f0b7a3d4580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 # [ 60.583685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.590425] CR2: ffffffffad37e8f0 CR3: 00000001032fa000 CR4: 00000000003506e0 # [ 60.598725] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.608973] in_ato<6>[ 64.381164] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 64.391692] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 64.398955] ------------[ cut here ]------------ <4>[ 64.404446] refcount_t: saturated; leaking memory. mic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1863, name: cat<4>[ 64.410185] WARNING: CPU: 0 PID: 2032 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 60.617759] INFO: lockdep is turned off. # [ 60.622448<4>[ 64.426187] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 64.472667] CPU: 0 PID: 2032 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 64.481674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 64.488638] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 64.494817] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 ad c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 ] irq event stamp: 0 # [ 60.626164] hardirqs last enabled at<4>[ 64.516206] RSP: 0018:ffff9bd2427a7e38 EFLAGS: 00010282 <4>[ 64.528627] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 64.536954] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 <4>[ 64.545275] RBP: ffffffffad801030 R08: 0000000000000000 R09: 0000000000000000 <4>[ 64.553595] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 64.561917] R13: ffff9bd2427a7f10 R14: ffff9bd2427a7f10 R15: ffff973285ae2000 <4>[ 64.570239] FS: 00007f974d0e8580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 64.579627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 64.586387] CR2: 00007f974cef2000 CR3: 00000001027fa000 CR4: 00000000003506f0 <4>[ 64.594708] Call Trace: <4>[ 64.597777] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 64.604264] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 64.610838] direct_entry.cold+0x2c/0x38 <4>[ 64.615562] full_proxy_write+0x56/0x80 (0): [<0000000000000000>] 0x0 # [ 60.633492] hardirqs last d<4>[ 64.620185] vfs_write+0xea/0x3b0 <4>[ 64.630441] ksys_write+0x68/0xf0 <4>[ 64.634475] do_syscall_64+0x33/0x40 <4>[ 64.638804] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 64.644795] RIP: 0033:0x7f974cffe473 <4>[ 64.649123] 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 isabled at (0): [] copy_process+0x664/0x1c60 <4>[ 64.670528] RSP: 002b:00007fff8c243fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 64.685543] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f974cffe473 <4>[ 64.693864] RDX: 000000000000001f RSI: 00007f974cef2000 RDI: 0000000000000001 # [ 60.649190] softirqs last enabled at (0): [[ 64.702182] RBP: 00007f974cef2000 R08: 00007f974cef1010 R09: 0000000000000000 <4>[ 64.716729] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 64.725050] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 64.733391] irq event stamp: 0 <4>[ 64.737132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 64.744483] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 64.753976] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 64.763469] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 64.770813] ---[ end trace 5ea32422131ac85d ]--- <6>[ 64.776309] lkdtm: Overflow detected: saturated 44>] copy_process+0x664/0x1c60 # [ 60.658661] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.665984] CPU: 1 PID: 1863 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 60.674962] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.681893] Call Trace: # [ 60.684933] dump_stack+0x77/0x9b # [ 60.688950] ___might_sleep.cold+0xa6/0xb6 # [ 60.693846] exit_signals+0x1c/0x300 # [ 60.698153] do_exit+0xc2/0xab0 # [ 60.701974] ? ksys_write+0x68/0xf0 # [ 60.706182] make_task_dead+0x2f/0x30 # [ 60.710584] rewind_stack_and_make_dead+0x17/0x20 # [ 60.716154] RIP: 0033:0x7f0b7a2ea473 # [ 60.720457] 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 # [ 60.741814] RSP: 002b:00007ffd865ad7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.750604] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0b7a2ea473 # [ 60.758904] RDX: 0000000000000009 RSI: 00007f0b7a1de000 RDI: 0000000000000001 # [ 60.767201] RBP: 00007f0b7a1de000 R08: 00007f0b7a1dd010 R09: 0000000000000000 # [ 60.775498] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.783794] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 61.171274] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 61.179468] lkdtm: attempting bad ro_after_init write at ffffffffad887330 # [ 61.187432] BUG: unable to handle page fault for address: ffffffffad887330 # [ 61.195444] #PF: supervisor write access in kernel mode # [ 61.201599] #PF: error_code(0x0003) - permissions violation # [ 61.208143] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 102727163 PTE 800000010ea87061 # [ 61.217532] Oops: 0003 [#15] SMP PTI # [ 61.221837] CPU: 0 PID: 1898 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 61.230811] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.237753] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 61.244106] Code: 21 80 ad e9 a8 d9 fb ff 48 c7 c7 20 22 80 ad e8 9c d9 fb ff 48 8b 05 50 8c e4 00 ba 34 12 cd ab 48 c7 c7 c8 21 80 ad 48 31 d0 <48> 89 05 3a 8c e4 00 e9 7a d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 61.265466] RSP: 0018:ffff9bd24257fe60 EFLAGS: 00010202 # [ 61.271623] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 61.279919] RDX: 00000000abcd1234 RSI: ffff9732fbc1bf70 RDI: ffffffffad8021c8 # [ 61.288217] RBP: ffffffffad8013be R08: 0000000000000000 R09: 0000000000000000 # [ 61.296515] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 61.304809] R13: ffff9bd24257ff10 R14: ffff9bd24257ff10 R15: ffff97328444c000 # [ 61.313110] FS: 00007f31cc983580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 61.322479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.329217] CR2: ffffffffad887330 CR3: 00000001027fa000 CR4: 00000000003506f0 # [ 61.337511] Call Trace<6>[ 65.092760] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW : # [ 61.340554] direct_entry.cold+0x2c/0x38 # [ 61.34525<6>[ 65.101541] lkdtm: attempting bad refcount_add_not_zero() overflow 0] full_proxy_write+0x56/0x80 # [ 61.349837] vfs_write+0xea<4>[ 65.115027] ------------[ cut here ]------------ /0x3b0 # [ 61.353851] ksys_write+0x68/0xf0 # [ 61.357856]<4>[ 65.126835] refcount_t: saturated; leaking memory. do_syscall_64+0x33/0x40 # [ 61.362157] entry_SYSCALL_64_af<4>[ 65.138967] WARNING: CPU: 3 PID: 2064 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ter_hwframe+0x61/0xc6 # [ 61.368110] RIP: 0033:0x7f31cc899473<4>[ 65.154731] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 61.372409] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 <4>[ 65.201371] CPU: 3 PID: 2064 Comm: cat Tainted: G D W 5.10.180-cip34 #1 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1<4>[ 65.216549] Hardware name: Google Coral/Coral, BIOS 09/29/2020 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 <4>[ 65.229739] RIP: 0010:refcount_warn_saturate+0x97/0x110 48 83 ec 28 48 89 54 24 18 # [ 61.393740] RSP: 002b:00007fff0<4>[ 65.241974] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 ad c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 4b1b9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.40<4>[ 65.269707] RSP: 0018:ffff9bd242817e38 EFLAGS: 00010282 2522] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f31c<4>[ 65.282004] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 c899473 # [ 61.410803] RDX: 0000000000000014 RSI: 00007f31cc7<4>[ 65.296576] RDX: ffff9732fbdac660 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 8d000 RDI: 0000000000000001 # [ 61.419091] RBP: 00007f31cc78d<4>[ 65.311115] RBP: ffffffffad801050 R08: 0000000000000000 R09: 0000000000000000 000 R08: 00007f31cc78c010 R09: 0000000000000000 # [ 61.427383<4>[ 65.325667] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000<4>[ 65.340187] R13: ffff9bd242817f10 R14: ffff9bd242817f10 R15: ffff973285a95000 001 # [ 61.435668] R13: 0000000000000001 R14: 000000000002000<4>[ 65.354792] FS: 00007f3fe119e580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 0 R15: 0000000000020000 # [ 61.443971] Modules linked in: fus<4>[ 65.370362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_s<4>[ 65.383347] CR2: 00007f3fe0fa8000 CR3: 0000000103684000 CR4: 00000000003506e0 ysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usb<4>[ 65.397875] Call Trace: pd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsm<4>[ 65.407215] __refcount_add_not_zero.constprop.0+0x2a/0x35 i x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_comm<4>[ 65.419833] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 on snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine<4>[ 65.432794] direct_entry.cold+0x2c/0x38 i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 61.490<4>[ 65.443670] full_proxy_write+0x56/0x80 438] CR2: ffffffffad887330 # [ 61.494441] ---[ end trace 5ea3<4>[ 65.454515] vfs_write+0xea/0x3b0 2422131ac859 ]--- # [ 61.499910] RIP: 0010:lkdtm_BUG+0x5/0x10<4>[ 65.464660] ksys_write+0x68/0xf0 # [ 61.504605] Code: 89 ff e8 ae ea 79 ff 48 c7 c0 ea ff ff <4>[ 65.475046] do_syscall_64+0x33/0x40 ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff f<4>[ 65.485461] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f <4>[ 65.497651] RIP: 0033:0x7f3fe10b4473 44 00 00 83 05 00 7b ea 02 # [ 61.525952] RSP: 0018:ffff9bd24<4>[ 65.508251] 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 125fe60 EFLAGS: 00010282 # [ 61.532101] RAX: ffffffffac3790b0<4>[ 65.535812] RSP: 002b:00007ffd5c3d05a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.540372] R<4>[ 65.550914] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3fe10b4473 DX: 0000000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470<4>[ 65.565413] RDX: 000000000000001f RSI: 00007f3fe0fa8000 RDI: 0000000000000001 # [ 61.548665] RBP: ffffffffad865960 R08: 0000000000000001 R<4>[ 65.579970] RBP: 00007f3fe0fa8000 R08: 00007f3fe0fa7010 R09: 0000000000000000 09: 0000000000000001 # [ 61.556962] R10: 00000000ffffe000 R11<4>[ 65.594502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 3fffffffffffffff R12: 0000000000000004 # [ 61.565258] R13: <4>[ 65.609076] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffff9bd24125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # <4>[ 65.623619] irq event stamp: 0 [ 61.573557] FS: 00007f31cc983580(0000) GS:ffff9732fbc00000(0<4>[ 65.633572] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000) knlGS:0000000000000000 # [ 61.582925] CS: 0010 DS: 0000<4>[ 65.647174] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ES: 0000 CR0: 0000000080050033 # [ 61.589662] CR2: ffffffffa<4>[ 65.662862] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 d887330 CR3: 00000001027fa000 CR4: 00000000003506f0 # WRITE_RO_<4>[ 65.678603] softirqs last disabled at (0): [<0000000000000000>] 0x0 AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE<4>[ 65.692159] ---[ end trace 5ea32422131ac85e ]--- _RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed <6>[ 65.703898] lkdtm: Overflow detected: saturated # [ 61.924007] lkdtm: Performing direct entry WRITE_KERN # [ 61.934732] lkdtm: attempting bad 7098752 byte write at ffffffffaca3e600 # [ 61.948806] BUG: unable to handle page fault for address: ffffffffaca3e600 # [ 61.963042] #PF: supervisor write access in kernel mode # [ 61.969200] #PF: error_code(0x0003) - permissions violation # [ 61.975744] PGD 10ec29067 P4D 10ec29067 PUD 10ec2a063 PMD 10dc001e1 # [ 61.983179] Oops: 0003 [#16] SMP PTI # [ 61.987488] CPU: 1 PID: 1933 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 61.996467] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.003410] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 62.008886] Code: 53 48 c7 c3 00 e6 a3 ac 49 89 dc 48 89 da 49 81 ec 80 94 37 ac 4c 89 e6 e8 4f d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 80 94 37 ac a4 48 c7 c7 c8 21 80 ad e8 34 d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 62.030242] RSP: 0018:ffff9bd24261fe50 EFLAGS: 00010246 # [ 62.036398] RAX: 000000000000003c RBX: ffffffffaca3e600 RCX: 00000000006c5180 # [ 62.044694] RDX: 0000000000000000 RSI: ffffffffac379480 RDI: ffffffffaca3e600 # [ 62.052992] RBP: ffffffffad8013d2 R08: 0000000000000000 R09: 0000000000000000 # [ 62.061291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c5180 # [ 62.069590] R13: ffff9bd24261ff10 R14: ffff9bd24261ff10 R15: ffff973283638000 # [ 62.077890] FS: 00007f60a5a40580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 # [ 62.087261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.094001] CR2: ffffffffaca3e600 CR3: 00000001031d4000 CR4: 00000000003506e0 # [ 62.102296] Call Trace: # [ 62.105345] direct_entry.cold+0x2c/0x38 # [ 62.110047] full_proxy_write+0x56/0x80 # [ 62.114643] vfs_write+0xea/0x3b0 # [ 62.118656] ksys_write+0x68/0xf0 # [ 62.122671] do_syscall_64+0x33/0x40 # [ 62.126977] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.132938] RIP: 0033:0x7f60a5956473 # [ 62.137243] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.158602] RSP: 002b:00007fffb7fadd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.167393] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f60a5956473 # [ 62.175691] RDX: 000000000000000b RSI: 00007f60a584a000 RDI: 0000000000000001 # [ 62.183988] RBP: 00007f60a584a000 R08: 00007f60a5849010 R09: 0000000000000000 # [ 62.192286] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.200581] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.208891] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 62.255334] CR2: ffffffffaca3e600 # [ 62.259347] ---[ end trace 5ea32422131ac85a ]--- # [ 62.264827] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.269521] Code: 89 ff e8 ae ea 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 00 7b ea 02 # [ 62.290878] RSP: 0018:ffff9bd24125fe60 EFLAGS: 00010282 # [ 62.297034] RAX: ffffffffac3790b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.305333] RDX: 0000<6>[ 66.069193] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 66.077780] lkdtm: attempting good refcount_dec() <6>[ 66.083404] lkdtm: attempting bad refcount_dec() to zero <4>[ 66.089684] ------------[ cut here ]------------ 000000000000 RSI: ffff9732fbd9bf70 RDI: ffffffffad37e470 # [ <4>[ 66.095176] refcount_t: decrement hit 0; leaking memory. <4>[ 66.107726] WARNING: CPU: 0 PID: 2096 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 62.313632] RBP: ffffffffad865960 R08: 0000000000000001 R09: 0000<4>[ 66.117506] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 66.163978] CPU: 0 PID: 2096 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 66.172980] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 66.179937] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 66.186103] Code: b0 c4 75 ad c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 75 ad c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 66.207493] RSP: 0018:ffff9bd2428a7e48 EFLAGS: 00010286 <4>[ 66.213681] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 66.221992] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 <4>[ 66.230321] RBP: ffffffffad801409 R08: 0000000000000000 R09: 0000000000000000 <4>[ 66.238644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 66.246966] R13: ffff9bd2428a7f10 R14: ffff9bd2428a7f10 R15: ffff97328266f000 <4>[ 66.255290] FS: 00007f68eddfe580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 66.264683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 66.271441] CR2: 00007f68edc08000 CR3: 0000000103340000 CR4: 00000000003506f0 <4>[ 66.279766] Call Trace: <4>[ 66.282837] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 66.288147] direct_entry.cold+0x2c/0x38 <4>[ 66.292873] full_proxy_write+0x56/0x80 <4>[ 66.297502] vfs_write+0xea/0x3b0 <4>[ 66.301541] ksys_write+0x68/0xf0 <4>[ 66.305581] do_syscall_64+0x33/0x40 <4>[ 66.309912] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 66.315899] RIP: 0033:0x7f68edd14473 000000000001 # [ 62.321928] R10: 00000000ffffe000 R11: 3fffff<4>[ 66.320230] 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>[ 66.347833] RSP: 002b:00007fffd0a15228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffffffffff R12: 0000000000000004 # [ 62.330226] R13: ffff9bd2<4>[ 66.356644] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f68edd14473 <4>[ 66.371193] RDX: 0000000000000012 RSI: 00007f68edc08000 RDI: 0000000000000001 4125ff10 R14: ffff9bd24125ff10 R15: ffff97328591c000 # [ 62.3<4>[ 66.379510] RBP: 00007f68edc08000 R08: 00007f68edc07010 R09: 0000000000000000 <4>[ 66.394053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 66.402373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 66.410699] irq event stamp: 0 <4>[ 66.414434] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 66.421775] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 66.431263] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 66.440755] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 66.448092] ---[ end trace 5ea32422131ac85f ]--- <6>[ 66.453587] lkdtm: Zero detected: saturated 38524] FS: 00007f60a5a40580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 # [ 62.347894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.354633] CR2: ffffffffaca3e600 CR3: 00000001031d4000 CR4: 00000000003506e0 # [ 62.362935] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 62.373182] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1933, name: cat # [ 62.381967] INFO: lockdep is turned off. # [ 62.386657] irq event stamp: 0 # [ 62.390374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.397699] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 62.407169] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 62.416635] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.423963] CPU: 1 PID: 1933 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 62.432944] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.439876] Call Trace: # [ 62.442918] dump_stack+0x77/0x9b # [ 62.446935] ___might_sleep.cold+0xa6/0xb6 # [ 62.451829] exit_signals+0x1c/0x300 # [ 62.456133] do_exit+0xc2/0xab0 # [ 62.459951] ? ksys_write+0x68/0xf0 # [ 62.470389] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 62.476155] make_task_dead+0x2f/0x30 # [ 62.480559] rewind_stack_and_make_dead+0x17/0x20 # [ 62.486130] RIP: 0033:0x7f60a5956473 # [ 62.490435] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.518026] RSP: 002b:00007fffb7fadd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.526815] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f60a5956473 # [ 62.535113] RDX: 000000000000000b RSI: 00007f60a584a000 RDI: 0000000000000001 # [ 62.543406] RBP: 00007f60a584a000 R08: 00007f60a5849010 R09: 0000000000000000 # [ 62.551691] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.559975] 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 # [ 62.950859] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 62.962121] lkdtm: attempting good refcount_inc() without overflow # [ 62.969383] lkdtm: attempting bad refcount_inc() overflow # [ 62.975765] ------------[ cut here ]------------ # [ 62.981262] refcount_t: saturated; leaking memory. # [ 62.987008] WARNING: CPU: 0 PID: 1968 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 62.996794] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 63.043295] CPU: 0 PID: 1968 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 63.052293] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.059250] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 63.065429] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c<6>[ 66.794375] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 66.802705] lkdtm: attempting bad refcount_dec() below zero <4>[ 66.809278] ------------[ cut here ]------------ 7 c7 00 c4 75 ad c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 <4>[ 66.814773] refcount_t: decrement hit 0; leaking memory. cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 # [ <4>[ 66.827324] WARNING: CPU: 2 PID: 2131 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 63.086817] RSP: 0018:ffff9bd24269fe48 EFLAGS: 00010286 # [ 63<4>[ 66.843281] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 66.889859] CPU: 2 PID: 2131 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 66.898890] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 66.905851] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 66.912031] Code: b0 c4 75 ad c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 75 ad c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 66.933410] RSP: 0018:ffff9bd24291fe48 EFLAGS: 00010286 <4>[ 66.939586] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 66.947907] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 <4>[ 66.956225] RBP: ffffffffad80141b R08: 0000000000000000 R09: 0000000000000000 <4>[ 66.964542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 66.972859] R13: ffff9bd24291ff10 R14: ffff9bd24291ff10 R15: ffff973286279000 .092993] RAX: 0000000000000000 RBX: 000000000000002b RCX: 000000<4>[ 66.981179] FS: 00007f1336d66580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 66.996799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 67.003556] CR2: 00007f1336b70000 CR3: 0000000103684000 CR4: 00000000003506e0 <4>[ 67.011871] Call Trace: <4>[ 67.014936] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 67.020632] direct_entry.cold+0x2c/0x38 <4>[ 67.025348] full_proxy_write+0x56/0x80 <4>[ 67.029966] vfs_write+0xea/0x3b0 <4>[ 67.033993] ksys_write+0x68/0xf0 <4>[ 67.038033] do_syscall_64+0x33/0x40 <4>[ 67.042358] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 67.048343] RIP: 0033:0x7f1336c7c473 <4>[ 67.052663] 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>[ 67.074042] RSP: 002b:00007ffcd87d5e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 67.082850] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1336c7c473 0000000000 # [ 63.101310] RDX: ffff9732fbc2c660 RSI: ffff9732<4>[ 67.091157] RDX: 0000000000000016 RSI: 00007f1336b70000 RDI: 0000000000000001 fbc1bf70 RDI: ffff9732fbc1bf70 # [ 63.109604] RBP: ffffffffad<4>[ 67.105696] RBP: 00007f1336b70000 R08: 00007f1336b6f010 R09: 0000000000000000 <4>[ 67.120237] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 67.128554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 67.136881] irq event stamp: 0 <4>[ 67.140619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 67.147957] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.157448] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.166935] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 67.174278] ---[ end trace 5ea32422131ac860 ]--- <6>[ 67.179765] lkdtm: Negative detected: saturated 8013dd R08: 0000000000000000 R09: 0000000000000000 # [ 63.117920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.126234] R13: ffff9bd24269ff10 R14: ffff9bd24269ff10 R15: ffff973286278000 # [ 63.134556] FS: 00007fdf8ad40580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 63.143947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.150706] CR2: 00007fdf8ab4a000 CR3: 0000000103684000 CR4: 00000000003506f0 # [ 63.159024] Call Trace: # [ 63.162092] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 63.167786] direct_entry.cold+0x2c/0x38 # [ 63.172507] full_proxy_write+0x56/0x80 # [ 63.177132] vfs_write+0xea/0x3b0 # [ 63.181170] ksys_write+0x68/0xf0 # [ 63.191439] do_syscall_64+0x33/0x40 # [ 63.195767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.201754] RIP: 0033:0x7fdf8ac56473 # [ 63.206080] 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 # [ 63.227459] RSP: 002b:00007ffc36fdc7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.236263] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdf8ac56473 # [ 63.250802] RDX: 0000000000000016 RSI: 00007fdf8ab4a000 RDI: 0000000000000001 # [ 63.265339] RBP: 00007fdf8ab4a000 R08: 00007fdf8ab49010 R09: 0000000000000000 # [ 63.273659] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.281968] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.290300] irq event stamp: 0 # [ 63.294041] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.301433] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 63.310954] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 63.320448] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.327783] ---[ end trace 5ea32422131ac85b ]--- # [ 63.333271] 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 # [ 63.661524] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 63.670286] lkdtm: attempting good refcount_add() without overflow # [ 63.677548] lkdtm: attempting bad refcount_add() overflow # [ 63.683929] ------------[ cut here ]------------ # [ 63.689422] refcount_t: saturated; leaking memory. # [ 63.695163] WARNING: CPU: 2 PID: 2000 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 63.711154] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 63.757636] CPU: 2 PID: 2000 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 63.766630] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.773589] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 63.779777] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 75<6>[ 67.512230] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 67.523683] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 67.531148] ------------[ cut here ]------------ ad c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 8<4>[ 67.536647] refcount_t: underflow; use-after-free. 0 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 # [ 63.801157] RS<4>[ 67.548608] WARNING: CPU: 2 PID: 2166 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 P: 0018:ffff9bd242727e48 EFLAGS: 00010286 # [ 63.807336] RAX:<4>[ 67.564556] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 67.611135] CPU: 2 PID: 2166 Comm: cat Tainted: G D W 5.10.180-cip34 #1 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 #<4>[ 67.620169] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 67.633294] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 67.639465] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 ad c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 67.660845] RSP: 0018:ffff9bd24298fe40 EFLAGS: 00010286 <4>[ 67.667026] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 67.675342] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 <4>[ 67.683662] RBP: ffffffffad801070 R08: 0000000000000000 R09: 0000000000000000 <4>[ 67.691977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 67.700295] R13: ffff9bd24298ff10 R14: ffff9bd24298ff10 R15: ffff9732827d5000 <4>[ 67.708616] FS: 00007fc2c58b3580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 67.717999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 67.724756] CR2: 00007fc2c56bd000 CR3: 0000000103638000 CR4: 00000000003506e0 <4>[ 67.733071] Call Trace: <4>[ 67.736135] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 67.742609] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 63.815652] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI:<4>[ 67.749182] direct_entry.cold+0x2c/0x38 <4>[ 67.760121] full_proxy_write+0x56/0x80 <4>[ 67.764749] vfs_write+0xea/0x3b0 <4>[ 67.768787] ksys_write+0x68/0xf0 <4>[ 67.772831] do_syscall_64+0x33/0x40 ffff9732fbd1bf70 # [ 63.823968] RBP: ffffffffad8013f3 R08: 0<4>[ 67.777163] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 67.789387] RIP: 0033:0x7fc2c57c9473 <4>[ 67.793712] 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>[ 67.815053] RSP: 002b:00007ffe1ff2d938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000000000000 R09: 0000000000000000 # [ 63.832287] R10: 000<4>[ 67.823848] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc2c57c9473 <4>[ 67.838357] RDX: 000000000000001f RSI: 00007fc2c56bd000 RDI: 0000000000000001 <4>[ 67.846664] RBP: 00007fc2c56bd000 R08: 00007fc2c56bc010 R09: 0000000000000000 <4>[ 67.854976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 67.863282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 67.871596] irq event stamp: 0 <4>[ 67.875325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 67.882661] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.892128] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.901589] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 67.908921] ---[ end trace 5ea32422131ac861 ]--- <6>[ 67.914408] lkdtm: Negative detected: saturated 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.840606] R13: ffff9bd242727f10 R14: ffff9bd242727f10 R15: ffff9732830f6000 # [ 63.848924] FS: 00007fe374fc7580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 63.858313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.865079] CR2: 00007fe374dd1000 CR3: 00000001059f2000 CR4: 00000000003506e0 # [ 63.873400] Call Trace: # [ 63.876469] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 63.882169] direct_entry.cold+0x2c/0x38 # [ 63.886890] full_proxy_write+0x56/0x80 # [ 63.891515] vfs_write+0xea/0x3b0 # [ 63.895543] ksys_write+0x68/0xf0 # [ 63.899582] do_syscall_64+0x33/0x40 # [ 63.903910] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.909907] RIP: 0033:0x7fe374edd473 # [ 63.914238] 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 # [ 63.935623] RSP: 002b:00007ffe00f3bf48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.944440] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe374edd473 # [ 63.958967] RDX: 0000000000000016 RSI: 00007fe374dd1000 RDI: 0000000000000001 # [ 63.973521] RBP: 00007fe374dd1000 R08: 00007fe374dd0010 R09: 0000000000000000 # [ 63.981840] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.990156] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.998487] irq event stamp: 0 # [ 64.008473] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.015857] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 64.025352] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 64.034840] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.042183] ---[ end trace 5ea32422131ac85c ]--- # [ 64.053902] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 64.381164] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 64.391692] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 64.398955] ------------[ cut here ]------------ # [ 64.404446] refcount_t: saturated; leaking memory. # [ 64.410185] WARNING: CPU: 0 PID: 2032 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 64.426187] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 64.472667] CPU: 0 PID: 2032 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 64.481674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.488638] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 64.494817] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 ad c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc<6>[ 68.240893] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 68.251930] lkdtm: attempting bad refcount_sub_and_test() below zero cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 # [ 64.51620<4>[ 68.259391] ------------[ cut here ]------------ <4>[ 68.271116] refcount_t: underflow; use-after-free. 6] RSP: 0018:ffff9bd2427a7e38 EFLAGS: 00010282 # [ 64.528627]<4>[ 68.276851] WARNING: CPU: 1 PID: 2201 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 RAX: 0000000000000000 RBX: 000000007fffffff RCX: 00000000000000<4>[ 68.292810] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table 00 # [ 64.536954] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70<4>[ 68.339249] CPU: 1 PID: 2201 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 68.354493] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 68.361459] RIP: 0010:refcount_warn_saturate+0xba/0x110 RDI: ffff9732fbc1bf70 # [ 64.545275] RBP: ffffffffad801030 R<4>[ 68.367650] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 ad c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 68.395270] RSP: 0018:ffff9bd242a0fe40 EFLAGS: 00010286 <4>[ 68.401451] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 68.409774] RDX: ffff9732fbcac660 RSI: ffff9732fbc9bf70 RDI: ffff9732fbc9bf70 <4>[ 68.418092] RBP: ffffffffad801090 R08: 0000000000000000 R09: 0000000000000000 <4>[ 68.426410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 68.434727] R13: ffff9bd242a0ff10 R14: ffff9bd242a0ff10 R15: ffff973283056000 <4>[ 68.443050] FS: 00007f48cc5a6580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 <4>[ 68.452450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 68.459210] CR2: 00007f48cc3b0000 CR3: 000000010654e000 CR4: 00000000003506e0 <4>[ 68.467529] Call Trace: <4>[ 68.470599] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 68.477090] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 68.483670] direct_entry.cold+0x2c/0x38 08: 0000000000000000 R09: 0000000000000000 # [ 64.553595] R10<4>[ 68.488390] full_proxy_write+0x56/0x80 <4>[ 68.499227] vfs_write+0xea/0x3b0 <4>[ 68.503269] ksys_write+0x68/0xf0 <4>[ 68.507312] do_syscall_64+0x33/0x40 : 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 68.511639] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.561917] R13: ffff9bd2427a7f10 R14: ffff9bd2427a7f10 R15<4>[ 68.523832] RIP: 0033:0x7f48cc4bc473 : ffff973285ae2000 # [ 64.570239] FS: 00007f974d0e8580(0000)<4>[ 68.534351] 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 GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 64.5796<4>[ 68.561964] RSP: 002b:00007ffd604539d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 68.577010] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f48cc4bc473 <4>[ 68.585326] RDX: 000000000000001f RSI: 00007f48cc3b0000 RDI: 0000000000000001 <4>[ 68.593644] RBP: 00007f48cc3b0000 R08: 00007f48cc3af010 R09: 0000000000000000 <4>[ 68.601948] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 68.610267] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 68.618590] irq event stamp: 0 27] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.<4>[ 68.622329] hardirqs last enabled at (0): [<0000000000000000>] 0x0 586387] CR2: 00007f974cef2000 CR3: 00000001027fa000 CR4: 0000000<4>[ 68.635891] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 68.651612] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0003506f0 # [ 64.594708] Call Trace: # [ 64.597777] __ref<4>[ 68.661104] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 68.674670] ---[ end trace 5ea32422131ac862 ]--- count_add_not_zero.constprop.0+0x2a/0x35 # [ 64.604264] lkdt<6>[ 68.680158] lkdtm: Negative detected: saturated m_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 64.610838] direct_entry.cold+0x2c/0x38 # [ 64.615562] full_proxy_write+0x56/0x80 # [ 64.620185] vfs_write+0xea/0x3b0 # [ 64.630441] ksys_write+0x68/0xf0 # [ 64.634475] do_syscall_64+0x33/0x40 # [ 64.638804] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.644795] RIP: 0033:0x7f974cffe473 # [ 64.649123] 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 # [ 64.670528] RSP: 002b:00007fff8c243fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.685543] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f974cffe473 # [ 64.693864] RDX: 000000000000001f RSI: 00007f974cef2000 RDI: 0000000000000001 # [ 64.702182] RBP: 00007f974cef2000 R08: 00007f974cef1010 R09: 0000000000000000 # [ 64.716729] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.725050] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.733391] irq event stamp: 0 # [ 64.737132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.744483] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 64.753976] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 64.763469] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.770813] ---[ end trace 5ea32422131ac85d ]--- # [ 64.776309] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 65.092760] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 65.101541] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 65.115027] ------------[ cut here ]------------ # [ 65.126835] refcount_t: saturated; leaking memory. # [ 65.138967] WARNING: CPU: 3 PID: 2064 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 65.154731] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 65.201371] CPU: 3 PID: 2064 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 65.216549] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.229739] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 65.241974] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 ad c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 # [ 65.269707] RSP: 0018:ffff9bd242817e38 EFLAGS: 00010282 # [ 65.282004] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 65.296576] RDX: ffff9732fbdac660 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 # [ 65.311115] RBP: ffffffffad801050 R08: 0000000000000000 R09: 0000000000000000 # [ 65.325667] R10: 00000000ffffe000 R11: 3ffffff<6>[ 69.013621] lkdtm: Performing direct entry REFCOUNT_INC_ZERO fffffffff R12: 000000000000001f # [ 65.340187] R13: ffff9bd24<6>[ 69.022866] lkdtm: attempting safe refcount_inc_not_zero() from zero 2817f10 R14: ffff9bd242817f10 R15: ffff973285a95000 # [ 65.35<6>[ 69.036575] lkdtm: Good: zero detected 4792] FS: 00007f3fe119e580(0000) GS:ffff9732fbd80000(0000) knlG<6>[ 69.047314] lkdtm: Correctly stayed at zero S:0000000000000000 # [ 65.370362] CS: 0010 DS: 0000 ES: 0000<6>[ 69.058536] lkdtm: attempting bad refcount_inc() from zero CR0: 0000000080050033 # [ 65.383347] CR2: 00007f3fe0fa8000 C<4>[ 69.071234] ------------[ cut here ]------------ R3: 0000000103684000 CR4: 00000000003506e0 # [ 65.397875] Cal<4>[ 69.083039] refcount_t: addition on 0; use-after-free. l Trace: # [ 65.407215] __refcount_add_not_zero.constprop.0+<4>[ 69.095383] WARNING: CPU: 3 PID: 2233 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 0x2a/0x35 # [ 65.419833] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLO<4>[ 69.111323] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table W+0x3e/0x76 # [ 65.432794] direct_entry.cold+0x2c/0x38 # [ <4>[ 69.157777] CPU: 3 PID: 2233 Comm: cat Tainted: G D W 5.10.180-cip34 #1 65.443670] full_proxy_write+0x56/0x80 # [ 65.454515] vfs_<4>[ 69.172970] Hardware name: Google Coral/Coral, BIOS 09/29/2020 write+0xea/0x3b0 # [ 65.464660] ksys_write+0x68/0xf0 # [ <4>[ 69.186165] RIP: 0010:refcount_warn_saturate+0x74/0x110 65.475046] do_syscall_64+0x33/0x40 # [ 65.485461] entry_SYS<4>[ 69.198594] Code: 01 01 e8 8a 00 c4 00 0f 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 ad c6 05 d8 07 f7 01 01 e8 67 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 CALL_64_after_hwframe+0x61/0xc6 # [ 65.497651] RIP: 0033:0x7f<4>[ 69.226208] RSP: 0018:ffff9bd242a8fe48 EFLAGS: 00010286 3fe10b4473 # [ 65.508251] Code: 8b 15 21 2a 0e 00 f7 d8 64 89<4>[ 69.238618] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 <4>[ 69.253213] RDX: ffff9732fbdac660 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f<4>[ 69.267711] RBP: ffffffffad801431 R08: 0000000000000000 R09: 0000000000000000 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.535812] RSP: 002b<4>[ 69.282287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 :00007ffd5c3d05a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #<4>[ 69.296816] R13: ffff9bd242a8ff10 R14: ffff9bd242a8ff10 R15: ffff973285bfb000 [ 65.550914] RAX: ffffffffffffffda RBX: 000000000000001f RCX:<4>[ 69.311422] FS: 00007f7240d2c580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 00007f3fe10b4473 # [ 65.565413] RDX: 000000000000001f RSI: 0<4>[ 69.327333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0007f3fe0fa8000 RDI: 0000000000000001 # [ 65.579970] RBP: 000<4>[ 69.340020] CR2: 00007f7240b36000 CR3: 0000000103638000 CR4: 00000000003506e0 07f3fe0fa8000 R08: 00007f3fe0fa7010 R09: 0000000000000000 # [ <4>[ 69.354736] Call Trace: 65.594502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000<4>[ 69.364041] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 0000000000001 # [ 65.609076] R13: 0000000000000001 R14: 00000<4>[ 69.375495] direct_entry.cold+0x2c/0x38 00000020000 R15: 0000000000020000 # [ 65.623619] irq event st<4>[ 69.386331] full_proxy_write+0x56/0x80 amp: 0 # [ 65.633572] hardirqs last enabled at (0): [<000000<4>[ 69.397217] vfs_write+0xea/0x3b0 0000000000>] 0x0 # [ 65.647174] hardirqs last disabled at (0)<4>[ 69.407544] ksys_write+0x68/0xf0 : [] copy_process+0x664/0x1c60 # [ 65.66286<4>[ 69.417718] do_syscall_64+0x33/0x40 2] softirqs last enabled at (0): [] copy_proc<4>[ 69.428276] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ess+0x664/0x1c60 # [ 65.678603] softirqs last disabled at (0)<4>[ 69.440481] RIP: 0033:0x7f7240c42473 : [<0000000000000000>] 0x0 # [ 65.692159] ---[ end trace 5ea3<4>[ 69.451042] 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 2422131ac85e ]--- # [ 65.703898] lkdtm: Overflow detected: sa<4>[ 69.478621] RSP: 002b:00007ffcbb802408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 turated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok<4>[ 69.493712] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7240c42473 ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # s<4>[ 69.508267] RDX: 0000000000000012 RSI: 00007f7240b36000 RDI: 0000000000000001 elftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 66.069193] lkdtm: P<4>[ 69.522820] RBP: 00007f7240b36000 R08: 00007f7240b35010 R09: 0000000000000000 erforming direct entry REFCOUNT_DEC_ZERO # [ 66.077780] lkdtm<4>[ 69.537396] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : attempting good refcount_dec() # [ 66.083404] lkdtm: attemp<4>[ 69.551943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ting bad refcount_dec() to zero # [ 66.089684] ------------[ <4>[ 69.566514] irq event stamp: 0 cut here ]------------ # [ 66.095176] refcount_t: decrement h<4>[ 69.576373] hardirqs last enabled at (0): [<0000000000000000>] 0x0 it 0; leaking memory. # [ 66.107726] WARNING: CPU: 0 PID: 209<4>[ 69.590120] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 6 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ <4>[ 69.605744] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 66.117506] Modules linked in: fuse ip_tables uvcvideo videobuf2_<4>[ 69.621493] softirqs last disabled at (0): [<0000000000000000>] 0x0 vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd<4>[ 69.635099] ---[ end trace 5ea32422131ac863 ]--- _logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops vid<6>[ 69.646807] lkdtm: Zero detected: saturated eobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 66.163978] CPU: 0 PID: 2096 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 66.172980] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.179937] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66.186103] Code: b0 c4 75 ad c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 75 ad c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 66.207493] RSP: 0018:ffff9bd2428a7e48 EFLAGS: 00010286 # [ 66.213681] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 66.221992] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 # [ 66.230321] RBP: ffffffffad801409 R08: 0000000000000000 R09: 0000000000000000 # [ 66.238644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.246966] R13: ffff9bd2428a7f10 R14: ffff9bd2428a7f10 R15: ffff97328266f000 # [ 66.255290] FS: 00007f68eddfe580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 66.264683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.271441] CR2: 00007f68edc08000 CR3: 0000000103340000 CR4: 00000000003506f0 # [ 66.279766] Call Trace: # [ 66.282837] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 66.288147] direct_entry.cold+0x2c/0x38 # [ 66.292873] full_proxy_write+0x56/0x80 # [ 66.297502] vfs_write+0xea/0x3b0 # [ 66.301541] ksys_write+0x68/0xf0 # [ 66.305581] do_syscall_64+0x33/0x40 # [ 66.309912] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.315899] RIP: 0033:0x7f68edd14473 # [ 66.320230] 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 # [ 66.347833] RSP: 002b:00007fffd0a15228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.356644] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f68edd14473 # [ 66.371193] RDX: 0000000000000012 RSI: 00007f68edc08000 RDI: 0000000000000001 # [ 66.379510] RBP: 00007f68edc08000 R08: 00007f68edc07010 R09: 0000000000000000 # [ 66.394053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.402373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.410699] irq event stamp: 0 # [ 66.414434] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.421775] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 66.431263] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 66.440755] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.448092] ---[ end trace 5ea32422131ac85f ]--- # [ 66.453587] 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 # [ 66.794375] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 66.802705] lkdtm: attempting bad refcount_dec() below zero # [ 66.809278] ------------[ cut here ]------------ # [ 66.814773] refcount_t: decrement hit 0; leaking memory. # [ 6<6>[ 69.987283] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 69.995122] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 70.002585] lkdtm: Good: zero detected 6.827324] WARNING: CPU: 2 PID: 2131 at lib/refcount.c:31 refcoun<6>[ 70.007118] lkdtm: Correctly stayed at zero t_warn_saturate+0xfb/0x110 # [ 66.843281] Modules linked in: <6>[ 70.018337] lkdtm: attempting bad refcount_add() from zero fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_e<4>[ 70.031028] ------------[ cut here ]------------ <4>[ 70.042757] refcount_t: addition on 0; use-after-free. <4>[ 70.048894] WARNING: CPU: 0 PID: 2265 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 c_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_<4>[ 70.058677] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 70.105185] CPU: 0 PID: 2265 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 70.114195] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 70.121155] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 70.127333] Code: 01 01 e8 8a 00 c4 00 0f 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 ad c6 05 d8 07 f7 01 01 e8 67 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 <4>[ 70.148717] RSP: 0018:ffff9bd242b1fe48 EFLAGS: 00010286 <4>[ 70.154894] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 70.163216] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 <4>[ 70.171551] RBP: ffffffffad801443 R08: 0000000000000000 R09: 0000000000000000 <4>[ 70.179879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 70.188201] R13: ffff9bd242b1ff10 R14: ffff9bd242b1ff10 R15: ffff97328337a000 <4>[ 70.196521] FS: 00007fbca7432580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 70.205911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 70.212671] CR2: 00007fbca723c000 CR3: 0000000105a24000 CR4: 00000000003506f0 <4>[ 70.220991] Call Trace: <4>[ 70.224058] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 <4>[ 70.229377] direct_entry.cold+0x2c/0x38 <4>[ 70.234100] full_proxy_write+0x56/0x80 <4>[ 70.238735] vfs_write+0xea/0x3b0 <4>[ 70.242780] ksys_write+0x68/0xf0 <4>[ 70.246821] do_syscall_64+0x33/0x40 <4>[ 70.251149] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 70.257123] RIP: 0033:0x7fbca7348473 <4>[ 70.261446] 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>[ 70.282817] RSP: 002b:00007fffd43dbf08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 70.291623] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbca7348473 usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a <4>[ 70.299935] RDX: 0000000000000012 RSI: 00007fbca723c000 RDI: 0000000000000001 <4>[ 70.314487] RBP: 00007fbca723c000 R08: 00007fbca723b010 R09: 0000000000000000 <4>[ 70.322809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 70.331126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 70.339442] irq event stamp: 0 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_c<4>[ 70.343178] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 70.356753] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 70.366241] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 70.375728] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 70.383082] ---[ end trace 5ea32422131ac864 ]--- <6>[ 70.388567] lkdtm: Zero detected: saturated ommon snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 66.889859] CPU: 2 PID: 2131 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 66.898890] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.905851] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66.912031] Code: b0 c4 75 ad c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 75 ad c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 66.933410] RSP: 0018:ffff9bd24291fe48 EFLAGS: 00010286 # [ 66.939586] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 66.947907] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 # [ 66.956225] RBP: ffffffffad80141b R08: 0000000000000000 R09: 0000000000000000 # [ 66.964542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 66.972859] R13: ffff9bd24291ff10 R14: ffff9bd24291ff10 R15: ffff973286279000 # [ 66.981179] FS: 00007f1336d66580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 66.996799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.003556] CR2: 00007f1336b70000 CR3: 0000000103684000 CR4: 00000000003506e0 # [ 67.011871] Call Trace: # [ 67.014936] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 67.020632] direct_entry.cold+0x2c/0x38 # [ 67.025348] full_proxy_write+0x56/0x80 # [ 67.029966] vfs_write+0xea/0x3b0 # [ 67.033993] ksys_write+0x68/0xf0 # [ 67.038033] do_syscall_64+0x33/0x40 # [ 67.042358] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.048343] RIP: 0033:0x7f1336c7c473 # [ 67.052663] 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 # [ 67.074042] RSP: 002b:00007ffcd87d5e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.082850] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1336c7c473 # [ 67.091157] RDX: 0000000000000016 RSI: 00007f1336b70000 RDI: 0000000000000001 # [ 67.105696] RBP: 00007f1336b70000 R08: 00007f1336b6f010 R09: 0000000000000000 # [ 67.120237] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.128554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.136881] irq event stamp: 0 # [ 67.140619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.147957] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 67.157448] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 67.166935] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.174278] ---[ end trace 5ea32422131ac860 ]--- # [ 67.179765] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 67.512230] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 67.523683] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 67.531148] ------------[ cut here ]------------ # [ 67.536647] refcount_t: underflow; use-after-free. # [ 67.548608] WARNING: CPU: 2 PID: 2166 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 67.564556] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2<6>[ 70.748487] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED _v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev sn<6>[ 70.756280] lkdtm: attempting bad refcount_inc() from saturated <4>[ 70.769487] ------------[ cut here ]------------ <4>[ 70.774978] refcount_t: saturated; leaking memory. <4>[ 70.780716] WARNING: CPU: 0 PID: 2300 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 d_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usb<4>[ 70.790494] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 70.836845] CPU: 0 PID: 2300 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 70.845839] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 70.852786] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 70.858964] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 75 ad c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 <4>[ 70.880321] RSP: 0018:ffff9bd242b6fe48 EFLAGS: 00010286 <4>[ 70.886492] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 70.894800] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 <4>[ 70.903103] RBP: ffffffffad801455 R08: 0000000000000000 R09: 0000000000000000 <4>[ 70.911402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 70.919698] R13: ffff9bd242b6ff10 R14: ffff9bd242b6ff10 R15: ffff9732861d6000 <4>[ 70.927986] FS: 00007f8f0f47b580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 70.937344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 70.944088] CR2: 00007f8f0f285000 CR3: 0000000104408000 CR4: 00000000003506f0 <4>[ 70.952391] Call Trace: <4>[ 70.955449] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 70.961232] direct_entry.cold+0x2c/0x38 <4>[ 70.965939] full_proxy_write+0x56/0x80 <4>[ 70.970548] vfs_write+0xea/0x3b0 <4>[ 70.974572] ksys_write+0x68/0xf0 <4>[ 70.978600] do_syscall_64+0x33/0x40 <4>[ 70.982923] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 70.988899] RIP: 0033:0x7f8f0f391473 <4>[ 70.993217] 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>[ 71.014552] RSP: 002b:00007ffd61b7db78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 71.023351] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8f0f391473 pd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore c<4>[ 71.031662] RDX: 0000000000000017 RSI: 00007f8f0f285000 RDI: 0000000000000001 <4>[ 71.046193] RBP: 00007f8f0f285000 R08: 00007f8f0f284010 R09: 0000000000000000 <4>[ 71.054485] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 71.062796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 71.071110] irq event stamp: 0 <4>[ 71.074842] hardirqs last enabled at (0): [<0000000000000000>] 0x0 oreboot_table # [ 67.611135] CPU: 2 PID: 2166 Comm: cat Taint<4>[ 71.082171] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 71.097896] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 71.107398] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 71.114733] ---[ end trace 5ea32422131ac865 ]--- <6>[ 71.120211] lkdtm: Saturation detected: still saturated ed: G D W 5.10.180-cip34 #1 # [ 67.620169] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.633294] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 67.639465] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 ad c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 # [ 67.660845] RSP: 0018:ffff9bd24298fe40 EFLAGS: 00010286 # [ 67.667026] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 67.675342] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 # [ 67.683662] RBP: ffffffffad801070 R08: 0000000000000000 R09: 0000000000000000 # [ 67.691977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 67.700295] R13: ffff9bd24298ff10 R14: ffff9bd24298ff10 R15: ffff9732827d5000 # [ 67.708616] FS: 00007fc2c58b3580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 67.717999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.724756] CR2: 00007fc2c56bd000 CR3: 0000000103638000 CR4: 00000000003506e0 # [ 67.733071] Call Trace: # [ 67.736135] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 67.742609] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 67.749182] direct_entry.cold+0x2c/0x38 # [ 67.760121] full_proxy_write+0x56/0x80 # [ 67.764749] vfs_write+0xea/0x3b0 # [ 67.768787] ksys_write+0x68/0xf0 # [ 67.772831] do_syscall_64+0x33/0x40 # [ 67.777163] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.789387] RIP: 0033:0x7fc2c57c9473 # [ 67.793712] 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 # [ 67.815053] RSP: 002b:00007ffe1ff2d938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.823848] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc2c57c9473 # [ 67.838357] RDX: 000000000000001f RSI: 00007fc2c56bd000 RDI: 0000000000000001 # [ 67.846664] RBP: 00007fc2c56bd000 R08: 00007fc2c56bc010 R09: 0000000000000000 # [ 67.854976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.863282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.871596] irq event stamp: 0 # [ 67.875325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.882661] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 67.892128] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 67.901589] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.908921] ---[ end trace 5ea32422131ac861 ]--- # [ 67.914408] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 68.240893] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 68.251930] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 68.259391] ------------[ cut here ]------------ # [ 68.271116] refcount_t: underflow; use-after-free. # [ 68.276851] WARNING: CPU: 1 PID: 2201 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 68.292810] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_so<6>[ 71.470005] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 71.482515] lkdtm: attempting bad refcount_dec() from saturated <4>[ 71.489505] ------------[ cut here ]------------ <4>[ 71.495007] refcount_t: decrement hit 0; leaking memory. <4>[ 71.501334] WARNING: CPU: 0 PID: 2335 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 c_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219<4>[ 71.511111] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 71.557514] CPU: 0 PID: 2335 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 71.566517] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 71.573476] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 71.579648] Code: b0 c4 75 ad c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 c4 75 ad c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 71.601033] RSP: 0018:ffff9bd242c0fe48 EFLAGS: 00010286 <4>[ 71.607216] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 71.615530] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 <4>[ 71.623856] RBP: ffffffffad80146c R08: 0000000000000000 R09: 0000000000000000 <4>[ 71.632177] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 71.640499] R13: ffff9bd242c0ff10 R14: ffff9bd242c0ff10 R15: ffff973285a5e000 <4>[ 71.648813] FS: 00007f1aa0010580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 71.658203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 71.664960] CR2: 00007f1a9fe1a000 CR3: 00000001059fe000 CR4: 00000000003506f0 <4>[ 71.673278] Call Trace: <4>[ 71.676340] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 71.682134] direct_entry.cold+0x2c/0x38 <4>[ 71.686870] full_proxy_write+0x56/0x80 <4>[ 71.691500] vfs_write+0xea/0x3b0 <4>[ 71.695540] ksys_write+0x68/0xf0 <4>[ 71.699582] do_syscall_64+0x33/0x40 <4>[ 71.703913] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 71.709902] RIP: 0033:0x7f1a9ff26473 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify sn<4>[ 71.714228] 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>[ 71.741839] RSP: 002b:00007ffea76917d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 d_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_tabl<4>[ 71.750639] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1a9ff26473 <4>[ 71.765161] RDX: 0000000000000017 RSI: 00007f1a9fe1a000 RDI: 0000000000000001 <4>[ 71.773485] RBP: 00007f1a9fe1a000 R08: 00007f1a9fe19010 R09: 0000000000000000 <4>[ 71.781808] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 71.790118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 71.798447] irq event stamp: 0 <4>[ 71.802194] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e # [ 68.339249] CPU: 1 PID: 2201 Comm: cat Tainted: G D<4>[ 71.809579] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 71.825253] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 71.834746] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 71.842087] ---[ end trace 5ea32422131ac866 ]--- <6>[ 71.847565] lkdtm: Saturation detected: still saturated W 5.10.180-cip34 #1 # [ 68.354493] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.361459] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 68.367650] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 ad c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 # [ 68.395270] RSP: 0018:ffff9bd242a0fe40 EFLAGS: 00010286 # [ 68.401451] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 68.409774] RDX: ffff9732fbcac660 RSI: ffff9732fbc9bf70 RDI: ffff9732fbc9bf70 # [ 68.418092] RBP: ffffffffad801090 R08: 0000000000000000 R09: 0000000000000000 # [ 68.426410] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 68.434727] R13: ffff9bd242a0ff10 R14: ffff9bd242a0ff10 R15: ffff973283056000 # [ 68.443050] FS: 00007f48cc5a6580(0000) GS:ffff9732fbc80000(0000) knlGS:0000000000000000 # [ 68.452450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.459210] CR2: 00007f48cc3b0000 CR3: 000000010654e000 CR4: 00000000003506e0 # [ 68.467529] Call Trace: # [ 68.470599] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 68.477090] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 68.483670] direct_entry.cold+0x2c/0x38 # [ 68.488390] full_proxy_write+0x56/0x80 # [ 68.499227] vfs_write+0xea/0x3b0 # [ 68.503269] ksys_write+0x68/0xf0 # [ 68.507312] do_syscall_64+0x33/0x40 # [ 68.511639] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.523832] RIP: 0033:0x7f48cc4bc473 # [ 68.534351] 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 # [ 68.561964] RSP: 002b:00007ffd604539d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.577010] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f48cc4bc473 # [ 68.585326] RDX: 000000000000001f RSI: 00007f48cc3b0000 RDI: 0000000000000001 # [ 68.593644] RBP: 00007f48cc3b0000 R08: 00007f48cc3af010 R09: 0000000000000000 # [ 68.601948] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.610267] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.618590] irq event stamp: 0 # [ 68.622329] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.635891] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 68.651612] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 68.661104] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.674670] ---[ end trace 5ea32422131ac862 ]--- # [ 68.680158] 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 # [ 69.013621] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 69.022866] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 69.036575] lkdtm: Good: zero detected # [ 69.047314] lkdtm: Correctly stayed at zero # [ 69.058536] lkdtm: attempting bad refcount_inc() from zero # [ 69.071234] ------------[ cut here ]------------ # [ 69.083039] refcount_t: addition on 0; use-after-free. # [ 69.095383] WARNING: CPU: 3 PID: 2233 at lib/refcount.c:<6>[ 72.188297] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 72.197561] lkdtm: attempting bad refcount_dec() from saturated <4>[ 72.204540] ------------[ cut here ]------------ <4>[ 72.210037] refcount_t: saturated; leaking memory. <4>[ 72.215772] WARNING: CPU: 2 PID: 2370 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 25 refcount_warn_saturate+0x74/0x110 # [ 69.111323] Modules l<4>[ 72.225543] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 72.271973] CPU: 2 PID: 2370 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 72.280955] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 72.287906] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 72.294084] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 75 ad c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 <4>[ 72.315413] RSP: 0018:ffff9bd242cbfe48 EFLAGS: 00010286 <4>[ 72.321590] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 72.329900] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 inked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_char<4>[ 72.338211] RBP: ffffffffad801483 R08: 0000000000000000 R09: 0000000000000000 <4>[ 72.352746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 72.361055] R13: ffff9bd242cbff10 R14: ffff9bd242cbff10 R15: ffff973286405000 <4>[ 72.369358] FS: 00007fa7ec73d580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 72.378747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 72.385493] CR2: 00007fa7ec547000 CR3: 0000000102668000 CR4: 00000000003506e0 <4>[ 72.393786] Call Trace: <4>[ 72.396846] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 72.402633] direct_entry.cold+0x2c/0x38 <4>[ 72.407357] full_proxy_write+0x56/0x80 <4>[ 72.411973] vfs_write+0xea/0x3b0 <4>[ 72.416005] ksys_write+0x68/0xf0 <4>[ 72.420042] do_syscall_64+0x33/0x40 <4>[ 72.424369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 72.430341] RIP: 0033:0x7fa7ec653473 <4>[ 72.434656] 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>[ 72.456001] RSP: 002b:00007ffdcf6124c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 dev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_ligh<4>[ 72.464793] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa7ec653473 <4>[ 72.479291] RDX: 0000000000000017 RSI: 00007fa7ec547000 RDI: 0000000000000001 tbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_<4>[ 72.487589] RBP: 00007fa7ec547000 R08: 00007fa7ec546010 R09: 0000000000000000 <4>[ 72.502078] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 72.510371] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 72.518689] irq event stamp: 0 <4>[ 72.522425] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 72.529769] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 72.539244] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 72.548725] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 72.556073] ---[ end trace 5ea32422131ac867 ]--- <6>[ 72.561567] lkdtm: Saturation detected: still saturated max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 69.157777] CPU: 3 PID: 2233 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 69.172970] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.186165] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 69.198594] Code: 01 01 e8 8a 00 c4 00 0f 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 ad c6 05 d8 07 f7 01 01 e8 67 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 # [ 69.226208] RSP: 0018:ffff9bd242a8fe48 EFLAGS: 00010286 # [ 69.238618] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 69.253213] RDX: ffff9732fbdac660 RSI: ffff9732fbd9bf70 RDI: ffff9732fbd9bf70 # [ 69.267711] RBP: ffffffffad801431 R08: 0000000000000000 R09: 0000000000000000 # [ 69.282287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 69.296816] R13: ffff9bd242a8ff10 R14: ffff9bd242a8ff10 R15: ffff973285bfb000 # [ 69.311422] FS: 00007f7240d2c580(0000) GS:ffff9732fbd80000(0000) knlGS:0000000000000000 # [ 69.327333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.340020] CR2: 00007f7240b36000 CR3: 0000000103638000 CR4: 00000000003506e0 # [ 69.354736] Call Trace: # [ 69.364041] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 69.375495] direct_entry.cold+0x2c/0x38 # [ 69.386331] full_proxy_write+0x56/0x80 # [ 69.397217] vfs_write+0xea/0x3b0 # [ 69.407544] ksys_write+0x68/0xf0 # [ 69.417718] do_syscall_64+0x33/0x40 # [ 69.428276] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.440481] RIP: 0033:0x7f7240c42473 # [ 69.451042] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.478621] RSP: 002b:00007ffcbb802408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.493712] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7240c42473 # [ 69.508267] RDX: 0000000000000012 RSI: 00007f7240b36000 RDI: 0000000000000001 # [ 69.522820] RBP: 00007f7240b36000 R08: 00007f7240b35010 R09: 0000000000000000 # [ 69.537396] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.551943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.566514] irq event stamp: 0 # [ 69.576373] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.590120] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 69.605744] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 69.621493] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.635099] ---[ end trace 5ea32422131ac863 ]--- # [ 69.646807] 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 # [ 69.987283] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 69.995122] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 70.002585] lkdtm: Good: zero detected # [ 70.007118] lkdtm: Correctly stayed at zero # [ 70.018337] lkdtm: attempting bad refcount_add() from zero # [ 70.031028] ------------[ cut here ]------------ # [ 70.042757] refcount_t: addition on 0; use-after-free. # [ 70.048894] WARNING: CPU: 0 PID: 2265 at lib/refcount.c<6>[ 72.915775] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 72.924792] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 72.932633] ------------[ cut here ]------------ <4>[ 72.938120] refcount_t: saturated; leaking memory. :25 refcount_warn_saturate+0x74/0x110 # [ 70.058677] Modules <4>[ 72.943871] WARNING: CPU: 2 PID: 2402 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_cha<4>[ 72.959876] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 73.006356] CPU: 2 PID: 2402 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 73.015344] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 73.022301] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 73.028477] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 ad c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 <4>[ 73.049837] RSP: 0018:ffff9bd242d37e38 EFLAGS: 00010282 <4>[ 73.056004] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 73.064306] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 <4>[ 73.072623] RBP: ffffffffad8010b0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 73.080923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 rdev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lig<4>[ 73.089235] R13: ffff9bd242d37f10 R14: ffff9bd242d37f10 R15: ffff97328616b000 <4>[ 73.103772] FS: 00007f76accd7580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 73.113158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 73.119912] CR2: 00007f76acae1000 CR3: 000000010607c000 CR4: 00000000003506e0 <4>[ 73.128228] Call Trace: <4>[ 73.131292] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 73.137762] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 73.144422] direct_entry.cold+0x2c/0x38 <4>[ 73.149140] full_proxy_write+0x56/0x80 <4>[ 73.153763] vfs_write+0xea/0x3b0 <4>[ 73.157798] ksys_write+0x68/0xf0 <4>[ 73.161828] do_syscall_64+0x33/0x40 <4>[ 73.166156] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 73.172133] RIP: 0033:0x7f76acbed473 <4>[ 73.176459] 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>[ 73.197791] RSP: 002b:00007ffe001d1888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 htbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc<4>[ 73.206597] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f76acbed473 _max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 <4>[ 73.221099] RDX: 0000000000000020 RSI: 00007f76acae1000 RDI: 0000000000000001 <4>[ 73.235613] RBP: 00007f76acae1000 R08: 00007f76acae0010 R09: 0000000000000000 <4>[ 73.243919] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 73.252222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 73.260536] irq event stamp: 0 <4>[ 73.264274] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 73.271657] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 73.281159] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 73.290640] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 73.297968] ---[ end trace 5ea32422131ac868 ]--- <6>[ 73.303446] lkdtm: Saturation detected: still saturated videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 70.105185] CPU: 0 PID: 2265 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 70.114195] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.121155] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 70.127333] Code: 01 01 e8 8a 00 c4 00 0f 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 ad c6 05 d8 07 f7 01 01 e8 67 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 # [ 70.148717] RSP: 0018:ffff9bd242b1fe48 EFLAGS: 00010286 # [ 70.154894] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 70.163216] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 # [ 70.171551] RBP: ffffffffad801443 R08: 0000000000000000 R09: 0000000000000000 # [ 70.179879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 70.188201] R13: ffff9bd242b1ff10 R14: ffff9bd242b1ff10 R15: ffff97328337a000 # [ 70.196521] FS: 00007fbca7432580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 70.205911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.212671] CR2: 00007fbca723c000 CR3: 0000000105a24000 CR4: 00000000003506f0 # [ 70.220991] Call Trace: # [ 70.224058] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 70.229377] direct_entry.cold+0x2c/0x38 # [ 70.234100] full_proxy_write+0x56/0x80 # [ 70.238735] vfs_write+0xea/0x3b0 # [ 70.242780] ksys_write+0x68/0xf0 # [ 70.246821] do_syscall_64+0x33/0x40 # [ 70.251149] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.257123] RIP: 0033:0x7fbca7348473 # [ 70.261446] 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 # [ 70.282817] RSP: 002b:00007fffd43dbf08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.291623] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbca7348473 # [ 70.299935] RDX: 0000000000000012 RSI: 00007fbca723c000 RDI: 0000000000000001 # [ 70.314487] RBP: 00007fbca723c000 R08: 00007fbca723b010 R09: 0000000000000000 # [ 70.322809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.331126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.339442] irq event stamp: 0 # [ 70.343178] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.356753] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 70.366241] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 70.375728] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.383082] ---[ end trace 5ea32422131ac864 ]--- # [ 70.388567] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 70.748487] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 70.756280] lkdtm: attempting bad refcount_inc() from saturated # [ 70.769487] ------------[ cut here ]------------ # [ 70.774978] refcount_t: saturated; leaking memory. # [ 70.780716] WARNING: CPU: 0 PID: 2300 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 70.790494] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger video<6>[ 73.654370] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 73.666816] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 73.674670] ------------[ cut here ]------------ <4>[ 73.680158] refcount_t: saturated; leaking memory. <4>[ 73.685892] WARNING: CPU: 2 PID: 2434 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 buf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_t<4>[ 73.695667] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 73.742154] CPU: 2 PID: 2434 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 73.751147] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 73.758098] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 73.764272] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 ad c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 <4>[ 73.785664] RSP: 0018:ffff9bd242d7fe38 EFLAGS: 00010282 <4>[ 73.791840] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 73.800152] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 <4>[ 73.808468] RBP: ffffffffad8010d0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 73.816781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 73.825099] R13: ffff9bd242d7ff10 R14: ffff9bd242d7ff10 R15: ffff973283058000 <4>[ 73.833411] FS: 00007f0d3c09e580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 <4>[ 73.842803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 73.849552] CR2: 00007f0d3bea8000 CR3: 0000000102992000 CR4: 00000000003506e0 <4>[ 73.857861] Call Trace: <4>[ 73.860934] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 73.867411] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 73.874085] direct_entry.cold+0x2c/0x38 <4>[ 73.878791] full_proxy_write+0x56/0x80 <4>[ 73.883404] vfs_write+0xea/0x3b0 <4>[ 73.887426] ksys_write+0x68/0xf0 <4>[ 73.891463] do_syscall_64+0x33/0x40 <4>[ 73.895786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 73.901766] RIP: 0033:0x7f0d3bfb4473 hermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core <4>[ 73.906084] 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>[ 73.933690] RSP: 002b:00007ffdd1e8b3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_<4>[ 73.942492] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0d3bfb4473 i2c chromeos_pstore coreboot_table # [ 70.836845] CPU: 0 PID:<4>[ 73.957033] RDX: 0000000000000020 RSI: 00007f0d3bea8000 RDI: 0000000000000001 <4>[ 73.971570] RBP: 00007f0d3bea8000 R08: 00007f0d3bea7010 R09: 0000000000000000 <4>[ 73.979882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 73.988194] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 73.996522] irq event stamp: 0 <4>[ 74.000250] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 74.007598] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.017085] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.026575] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.033923] ---[ end trace 5ea32422131ac869 ]--- <6>[ 74.039414] lkdtm: Saturation detected: still saturated 2300 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 70.845839] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.852786] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 70.858964] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 08 f7 01 00 75 ee 48 c7 c7 00 c4 75 ad c6 05 fc 07 f7 01 01 e8 8a 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c7 c7 28 c4 75 # [ 70.880321] RSP: 0018:ffff9bd242b6fe48 EFLAGS: 00010286 # [ 70.886492] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 70.894800] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 # [ 70.903103] RBP: ffffffffad801455 R08: 0000000000000000 R09: 0000000000000000 # [ 70.911402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 70.919698] R13: ffff9bd242b6ff10 R14: ffff9bd242b6ff10 R15: ffff9732861d6000 # [ 70.927986] FS: 00007f8f0f47b580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 70.937344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.944088] CR2: 00007f8f0f285000 CR3: 0000000104408000 CR4: 00000000003506f0 # [ 70.952391] Call Trace: # [ 70.955449] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 70.961232] direct_entry.cold+0x2c/0x38 # [ 70.965939] full_proxy_write+0x56/0x80 # [ 70.970548] vfs_write+0xea/0x3b0 # [ 70.974572] ksys_write+0x68/0xf0 # [ 70.978600] do_syscall_64+0x33/0x40 # [ 70.982923] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.988899] RIP: 0033:0x7f8f0f391473 # [ 70.993217] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.014552] RSP: 002b:00007ffd61b7db78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.023351] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8f0f391473 # [ 71.031662] RDX: 0000000000000017 RSI: 00007f8f0f285000 RDI: 0000000000000001 # [ 71.046193] RBP: 00007f8f0f285000 R08: 00007f8f0f284010 R09: 0000000000000000 # [ 71.054485] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.062796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.071110] irq event stamp: 0 # [ 71.074842] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.082171] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 71.097896] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 71.107398] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.114733] ---[ end trace 5ea32422131ac865 ]--- # [ 71.120211] 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 # [ 71.470005] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 71.482515] lkdtm: attempting bad refcount_dec() from saturated # [ 71.489505] ------------[ cut here ]------------ # [ 71.495007] refcount_t: decrement hit 0; leaking memory. # [ 71.501334] WARNING: CPU: 0 PID: 2335 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 71.511111] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 71.557514] CPU: 0 PID: 2335 Comm: cat Tainted: G D W <6>[ 74.408194] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 74.421689] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 74.429522] ------------[ cut here ]------------ <4>[ 74.435004] refcount_t: underflow; use-after-free. <4>[ 74.440745] WARNING: CPU: 0 PID: 2469 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 5.10.180-cip34 #1 # [ 71.566517] Hardware name: Googl<4>[ 74.450516] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table <4>[ 74.496905] CPU: 0 PID: 2469 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 74.505907] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 74.512856] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 74.519031] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 ad c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 74.540388] RSP: 0018:ffff9bd242e37e40 EFLAGS: 00010286 <4>[ 74.546553] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 74.554853] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 e Coral/Coral, BIOS 09/29/2020 # [ 71.573476] RIP: 0010:refc<4>[ 74.563173] RBP: ffffffffad8010f0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 74.577710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 74.586028] R13: ffff9bd242e37f10 R14: ffff9bd242e37f10 R15: ffff973280fc2000 <4>[ 74.594347] FS: 00007fe8775c9580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 74.603734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 74.610494] CR2: 00007fe8773d3000 CR3: 00000001064a4000 CR4: 00000000003506f0 <4>[ 74.618802] Call Trace: <4>[ 74.621862] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 74.628318] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 74.634981] direct_entry.cold+0x2c/0x38 <4>[ 74.639697] full_proxy_write+0x56/0x80 <4>[ 74.644308] vfs_write+0xea/0x3b0 <4>[ 74.648338] ksys_write+0x68/0xf0 <4>[ 74.652372] do_syscall_64+0x33/0x40 <4>[ 74.656693] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 74.662672] RIP: 0033:0x7fe8774df473 <4>[ 74.666994] 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>[ 74.688377] RSP: 002b:00007ffe5a5dc0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 74.697194] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe8774df473 ount_warn_saturate+0xfb/0x110 # [ 71.579648] Code: b0 c4 75 a<4>[ 74.705504] RDX: 0000000000000020 RSI: 00007fe8773d3000 RDI: 0000000000000001 d c6 05 68 07 f7 01 01 e8 fa ff c3 00 0f 0b c3 cc cc cc cc 48 c7<4>[ 74.720017] RBP: 00007fe8773d3000 R08: 00007fe8773d2010 R09: 0000000000000000 <4>[ 74.734567] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 74.742889] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 74.751222] irq event stamp: 0 <4>[ 74.754963] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 74.762321] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.771853] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 74.781360] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.788708] ---[ end trace 5ea32422131ac86a ]--- c7 80 c4 75 ad c6 05 4f 07 f7 01 01 e8 e0 ff c3 00 <0f> 0b c3 c<6>[ 74.794194] lkdtm: Saturation detected: still saturated c cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 71.601033] RSP: 0018:ffff9bd242c0fe48 EFLAGS: 00010286 # [ 71.607216] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 71.615530] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 # [ 71.623856] RBP: ffffffffad80146c R08: 0000000000000000 R09: 0000000000000000 # [ 71.632177] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 71.640499] R13: ffff9bd242c0ff10 R14: ffff9bd242c0ff10 R15: ffff973285a5e000 # [ 71.648813] FS: 00007f1aa0010580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 71.658203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.664960] CR2: 00007f1a9fe1a000 CR3: 00000001059fe000 CR4: 00000000003506f0 # [ 71.673278] Call Trace: # [ 71.676340] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 71.682134] direct_entry.cold+0x2c/0x38 # [ 71.686870] full_proxy_write+0x56/0x80 # [ 71.691500] vfs_write+0xea/0x3b0 # [ 71.695540] ksys_write+0x68/0xf0 # [ 71.699582] do_syscall_64+0x33/0x40 # [ 71.703913] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # <6>[ 74.916716] PDLOG 2023/06/05 03:08:14.034 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA [ 71.709902] RIP: 0033:0x7f1a9ff26473 # [ 71.714228] Code: <6>[ 74.930137] PDLOG 2023/06/05 03:08:14.034 P1 Disconnected 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<6>[ 74.942713] PDLOG 2023/06/05 03:08:14.102 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <4<6>[ 74.959824] PDLOG 2023/06/05 03:08:14.103 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA 8> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 1<6>[ 74.977398] PDLOG 2023/06/05 03:08:14.216 P1 SNK Charger ??? 5223mV max 15000mV / 3000mA 8 # [ 71.741839] RSP: 002b:00007ffea76917d8 EFLAGS: 00000246 <6>[ 74.992263] PDLOG 2023/06/05 03:08:14.345 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA ORIG_RAX: 0000000000000001 # [ 71.750639] RAX: ffffffffffffff<6>[ 75.009215] PDLOG 2023/06/05 03:08:14.353 P1 SNK Charger ??? 4052mV max 5000mV / 3000mA da RBX: 0000000000000017 RCX: 00007f1a9ff26473 # [ 71.765161]<6>[ 75.024830] PDLOG 2023/06/05 03:08:15.339 P1 SNK Charger ??? 5194mV max 15000mV / 3000mA RDX: 0000000000000017 RSI: 00007f1a9fe1a000 RDI: 00000000000000<6>[ 75.040332] PDLOG 2023/06/05 03:08:17.224 P1 SNK Charger ??? 15118mV max 15000mV / 3000mA 01 # [ 71.773485] RBP: 00007f1a9fe1a000 R08: 00007f1a9fe19010 R09: 0000000000000000 # [ 71.781808] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.790118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.798447] irq event stamp: 0 # [ 71.802194] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.809579] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 71.825253] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 71.834746] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.842087] ---[ end trace 5ea32422131ac866 ]--- # [ 71.847565] 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 # [ 72.188297] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 72.197561] lkdtm: attempting bad refcount_dec() from saturated # [ 72.204540] ------------[ cut here ]------------ # [ 72.210037] refcount_t: saturated; leaking memory. # [ 72.215772] WARNING: CPU: 2 PID: 2370 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 72.225543] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 72.271973] CPU: 2 PID: 2370 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 72.280955<6>[ 75.227289] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 75.238038] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 75.245892] ------------[ cut here ]------------ ] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.<4>[ 75.251380] refcount_t: underflow; use-after-free. <4>[ 75.263337] WARNING: CPU: 0 PID: 2504 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 287906] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 72.29<4>[ 75.273116] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table 4084] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 0c 0<4>[ 75.319648] CPU: 0 PID: 2504 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 75.334900] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 75.341859] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 75.348039] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 ad c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 75.369405] RSP: 0018:ffff9bd242ec7e40 EFLAGS: 00010286 <4>[ 75.375578] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 75.383892] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 8 f7 01 00 75 ee 48 c7 c7 00 c4 75 ad c6 05 fc 07 f7 01 01 e8 8a<4>[ 75.392197] RBP: ffffffffad801110 R08: 0000000000000000 R09: 0000000000000000 <4>[ 75.406737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 75.415051] R13: ffff9bd242ec7f10 R14: ffff9bd242ec7f10 R15: ffff97328608a000 <4>[ 75.423351] FS: 00007f7fea33c580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 <4>[ 75.432724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 75.439470] CR2: 00007f7fea146000 CR3: 00000001036b6000 CR4: 00000000003506f0 <4>[ 75.447770] Call Trace: <4>[ 75.450833] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 75.457292] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 75.463953] direct_entry.cold+0x2c/0x38 <4>[ 75.468660] full_proxy_write+0x56/0x80 <4>[ 75.473269] vfs_write+0xea/0x3b0 <4>[ 75.477301] ksys_write+0x68/0xf0 <4>[ 75.481337] do_syscall_64+0x33/0x40 <4>[ 75.485668] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 75.491648] RIP: 0033:0x7f7fea252473 <4>[ 75.495966] 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>[ 75.517315] RSP: 002b:00007ffcff9fb6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d e8 07 f7 01 00 75 cb 48 c<4>[ 75.526110] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7fea252473 7 c7 28 c4 75 # [ 72.315413] RSP: 0018:ffff9bd242cbfe48 EFLAG<4>[ 75.540636] RDX: 0000000000000020 RSI: 00007f7fea146000 RDI: 0000000000000001 <4>[ 75.555158] RBP: 00007f7fea146000 R08: 00007f7fea145010 R09: 0000000000000000 S: 00010286 # [ 72.321590] RAX: 0000000000000000 RBX: 0000000<4>[ 75.563462] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 75.577987] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000037 RCX: 0000000000000000 # [ 72.329900] RDX: ffff9732f<4>[ 75.586307] irq event stamp: 0 <4>[ 75.596251] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 75.603589] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 75.613057] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 75.622540] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 75.629869] ---[ end trace 5ea32422131ac86b ]--- <6>[ 75.635349] lkdtm: Saturation detected: still saturated bd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 # [ 72.338211] RBP: ffffffffad801483 R08: 0000000000000000 R09: 0000000000000000 # [ 72.352746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 72.361055] R13: ffff9bd242cbff10 R14: ffff9bd242cbff10 R15: ffff973286405000 # [ 72.369358] FS: 00007fa7ec73d580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 72.378747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.385493] CR2: 00007fa7ec547000 CR3: 0000000102668000 CR4: 00000000003506e0 # [ 72.393786] Call Trace: # [ 72.396846] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 72.402633] direct_entry.cold+0x2c/0x38 # [ 72.407357] full_proxy_write+0x56/0x80 # [ 72.411973] vfs_write+0xea/0x3b0 # [ 72.416005] ksys_write+0x68/0xf0 # [ 72.420042] do_syscall_64+0x33/0x40 # [ 72.424369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.430341] RIP: 0033:0x7fa7ec653473 # [ 72.434656] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.456001] RSP: 002b:00007ffdcf6124c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.464793] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa7ec653473 # [ 72.479291] RDX: 0000000000000017 RSI: 00007fa7ec547000 RDI: 0000000000000001 # [ 72.487589] RBP: 00007fa7ec547000 R08: 00007fa7ec546010 R09: 0000000000000000 # [ 72.502078] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.510371] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.518689] irq event stamp: 0 # [ 72.522425] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.529769] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 72.539244] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 72.548725] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.556073] ---[ end trace 5ea32422131ac867 ]--- # [ 72.561567] 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 # [ 72.915775] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 72.924792] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 72.932633] ------------[ cut here ]------------ # [ 72.938120] refcount_t: saturated; leaking memory. # [ 72.943871] WARNING: CPU: 2 PID: 2402 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 72.959876] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 73.006356] CPU: 2 PID: 2402 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 73.015344] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.022301] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 73.028477] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 ad c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 # [ 73.049837] RSP: 0018:ffff9bd242d37e38 EFLAGS: 00010282 # [ 73.056004] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 73.064306] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 # [ 73.072623] RBP: ffffffffad8010b0 R08: 0000000000000000 R09: 0000000000000000 # [ 73.080923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 73.089235] R13: ffff9bd242d37f10 R14: ffff9bd242d37f10 R15: ffff97328616b000 # [ 73.103772] FS: 00007f76accd7580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 73.113158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.119912] CR2: 00007f76acae1000 CR3: 000000010607c000 CR4: 00000000003506e0 # [ 73.128228] Call Trace: # [ 73.131292] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 73.137762] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 73.144422] direct_entry.cold+0x2c/0x38 # [ 73.149140] full_proxy_write+0x56/0x80 # [ 73.153763] vfs_write+0xea/0x3b0 # [ 73.157798] ksys_write+0x68/0xf0 # [ 73.161828] do_syscall_64+0x33/0x40 # [ 73.166156] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.172133] RIP: 0033:0x7f76acbed473 # [ 73.176459] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.197791] RSP: 002b:00007ffe001d1888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.206597] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f76acbed473 # [ 73.221099] RDX: 0000000000000020 RSI: 00007f76acae1000 RDI: 0000000000000001 # [ 73.235613] RBP: 00007f76acae1000 R08: 00007f76acae0010 R09: 0000000000000000 # [ 73.243919] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.252222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.260536] irq event stamp: 0 # [ 73.264274] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.271657] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 73.281159] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 73.290640] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.297968] ---[ end trace 5ea32422131ac868 ]--- # [ 73.303446] 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 # [ 73.654370] lk<6>[ 76.243750] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO dtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # <6>[ 76.252993] lkdtm: attempting good copy_to_user of correct size [ 73.666816] lkdtm: attempting bad refcount_add_not_zero() fro<6>[ 76.266222] lkdtm: attempting bad copy_to_user of too large size m saturated # [ 73.674670] ------------[ cut here ]------------ # [ 73.680158] refcount_t: saturated; leaking memory. # [ 73.685892] WARNING: CPU: 2 PID: 2434 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 73.695667] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 73.742154] CPU: 2 PID: 2434 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 73.751147] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.758098] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 73.764272] Code: 01 01 e8 67 00 c4 00 0f 0b c3 cc cc cc cc 80 3d c7 07 f7 01 00 75 a8 48 c7 c7 00 c4 75 ad c6 05 b7 07 f7 01 01 e8 44 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 # [ 73.785664] RSP: 0018:ffff9bd242d7fe38 EFLAGS: 00010282 # [ 73.791840] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 73.800152] RDX: ffff9732fbd2c660 RSI: ffff9732fbd1bf70 RDI: ffff9732fbd1bf70 # [ 73.808468] RBP: ffffffffad8010d0 R08: 0000000000000000 R09: 0000000000000000 # [ 73.816781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 73.825099] R13: ffff9bd242d7ff10 R14: ffff9bd242d7ff10 R15: ffff973283058000 # [ 73.833411] FS: 00007f0d3c09e580(0000) GS:ffff9732fbd00000(0000) knlGS:0000000000000000 # [ 73.842803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.849552] CR2: 00007f0d3bea8000 CR3: 0000000102992000 CR4: 00000000003506e0 # [ 73.857861] Call Trace: # [ 73.860934] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 73.867411] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 73.874085] direct_entry.cold+0x2c/0x38 # [ 73.878791] full_proxy_write+0x56/0x80 # [ 73.883404] vfs_write+0xea/0x3b0 # [ 73.887426] ksys_write+0x68/0xf0 # [ 73.891463] do_syscall_64+0x33/0x40 # [ 73.895786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.901766] RIP: 0033:0x7f0d3bfb4473 # [ 73.906084] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.933690] RSP: 002b:00007ffdd1e8b3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.942492] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0d3bfb4473 # [ 73.957033] RDX: 0000000000000020 RSI: 00007f0d3bea8000 RDI: 0000000000000001 # [ 73.971570] RBP: 00007f0d3bea8000 R08: 00007f0d3bea7010 R09: 0000000000000000 # [ 73.979882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.988194] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.996522] irq event stamp: 0 # [ 74.000250] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.007598] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 74.017085] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 74.026575] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.033923] ---[ end trace 5ea32422131ac869 ]--- # [ 74.039414] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lk<6>[ 76.622051] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 76.635152] lkdtm: attempting good copy_from_user of correct size dtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REF<6>[ 76.642305] lkdtm: attempting bad copy_from_user of too large size COUNT_DEC_AND_TEST_SATURATED.sh # [ 74.408194] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 74.421689] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 74.429522] ------------[ cut here ]------------ # [ 74.435004] refcount_t: underflow; use-after-free. # [ 74.440745] WARNING: CPU: 0 PID: 2469 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 74.450516] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 74.496905] CPU: 0 PID: 2469 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 74.505907] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.512856] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 74.519031] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 ad c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 # [ 74.540388] RSP: 0018:ffff9bd242e37e40 EFLAGS: 00010286 # [ 74.546553] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 74.554853] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 # [ 74.563173] RBP: ffffffffad8010f0 R08: 0000000000000000 R09: 0000000000000000 # [ 74.577710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 74.586028] R13: ffff9bd242e37f10 R14: ffff9bd242e37f10 R15: ffff973280fc2000 # [ 74.594347] FS: 00007fe8775c9580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 74.603734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.610494] CR2: 00007fe8773d3000 CR3: 00000001064a4000 CR4: 00000000003506f0 # [ 74.618802] Call Trace: # [ 74.621862] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 74.628318] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 74.634981] direct_entry.cold+0x2c/0x38 # [ 74.639697] full_proxy_write+0x56/0x80 # [ 74.644308] vfs_write+0xea/0x3b0 # [ 74.648338] ksys_write+0x68/0xf0 # [ 74.652372] do_syscall_64+0x33/0x40 # [ 74.656693] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.662672] RIP: 0033:0x7fe8774df473 # [ 74.666994] 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 # [ 74.688377] RSP: 002b:00007ffe5a5dc0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.697194] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe8774df473 # [ 74.705504] RDX: 0000000000000020 RSI: 00007fe8773d3000 RDI: 0000000000000001 # [ 74.720017] RBP: 00007fe8773d3000 R08: 00007fe8773d2010 R09: 0000000000000000 # [ 74.734567] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.742889] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.751222] irq event stamp: 0 # [ 74.754963] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.762321] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 74.771853] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 74.781360] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.78870<6>[ 76.998962] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 77.012229] lkdtm: attempting good copy_to_user inside whitelist 8] ---[ end trace 5ea32422131ac86a ]--- # [ 74.794194] lkdtm:<6>[ 77.019363] lkdtm: attempting bad copy_to_user outside whitelist Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 75.227289] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 75.238038] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 75.245892] ------------[ cut here ]------------ # [ 75.251380] refcount_t: underflow; use-after-free. # [ 75.263337] WARNING: CPU: 0 PID: 2504 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 75.273116] Modules linked in: fuse ip_tables uvcvideo videobuf2_vmalloc cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_usbpd_logger cros_ec_lightbar cros_usbpd_charger videobuf2_memops videobuf2_v4l2 snd_soc_max98357a gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common snd_soc_core snd_compress cros_usbpd_notify snd_pcm_dmaengine i2c_hid regmap_i2c chromeos_pstore coreboot_table # [ 75.319648] CPU: 0 PID: 2504 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 75.334900] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.341859] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 75.348039] Code: 01 01 e8 44 00 c4 00 0f 0b c3 cc cc cc cc 80 3d a1 07 f7 01 00 75 85 48 c7 c7 58 c4 75 ad c6 05 91 07 f7 01 01 e8 21 00 c4 00 <0f> 0b c3 cc cc cc cc 80 3d 7c 07 f7 01 00 0f 85 5e ff ff ff 48 c7 # [ 75.369405] RSP: 0018:ffff9bd242ec7e40 EFLAGS: 00010286 # [ 75.375578] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 75.383892] RDX: ffff9732fbc2c660 RSI: ffff9732fbc1bf70 RDI: ffff9732fbc1bf70 # [ 75.392197] RBP: ffffffffad801110 R08: 0000000000000000 R09: 0000000000000000 # [ 75.406737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 75.415051] R13: ffff9bd242ec7f10 R14: ffff9bd242ec7f10 R15: ffff97328608a000 # [ 75.423351] FS: 00007f7fea33c580(0000) GS:ffff9732fbc00000(0000) knlGS:0000000000000000 # [ 75.432724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.439470] CR2: 00007f7fea146000 CR3: 00000001036b6000 CR4: 00000000003506f0 # [ 75.447770] Call Trace: # [ 75.450833] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 75.457292] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 75.463953] direct_entry.cold+0x2c/0x38 # [ 75.468660] full_proxy_write+0x56/0x80 # [ 75.473269] vfs_write+0xea/0x3b0 # [ 75.477301] ksys_write+0x68/0xf0 # [ 75.481337] do_syscall_64+0x33/0x40 # [ 75.485668] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.491648] RIP: 0033:0x7f7fea252473 # [ 75.495966] 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 # [ 75.517315] RSP: 002b:00007ffcff9fb6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.526110] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7fea252473 # [ 75.540636] RDX: 0000000000000020 RSI: 00007f7fea146000 RDI: 0000000000000001 # [ 75.555158] RBP: 00007f7fea146000 R08: 00007f7fea145010 R09: 0000000000000000 # [ 75.563462] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.577987] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.586307] irq event stamp: 0 # [ 75.596251] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.60<6>[ 77.370461] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 3589] hardirqs last disabled at (0): [] copy_p<6>[ 77.383398] lkdtm: attempting good copy_from_user inside whitelist <6>[ 77.396883] lkdtm: attempting bad copy_from_user outside whitelist rocess+0x664/0x1c60 # [ 75.613057] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 75.622540] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.629869] ---[ end trace 5ea32422131ac86b ]--- # [ 75.635349] 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 # [ 76.243750] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 76.252993] lkdtm: attempting good copy_to_user of correct size # [ 76.266222] 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 # [ 76.622051] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 76.635152] lkdtm: attempting good copy_from_user of correct size # [ 76.642305] 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 # [ 76.998962] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 77.012229] lkdtm: attempting good copy_to_user inside whitelist # [ 77.019363] 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 # [ 77.370461] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 77.383398] lkdtm: attempting good copy_from_user inside whitelist # [ 77.396883] 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>[ 77.742845] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 77.750100] lkdtm: good_stack: ffff9bd243257e20-ffff9bd243257e40 <6>[ 77.757155] lkdtm: bad_stack : ffff9bd243257da8-ffff9bd243257dc8 <6>[ 77.764225] lkdtm: attempting good copy_to_user of local stack <6>[ 77.771101] lkdtm: attempting bad copy_to_user of distant stack # [ 77.742845] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 77.750100] lkdtm: good_stack: ffff9bd243257e20-ffff9bd243257e40 # [ 77.757155] lkdtm: bad_stack : ffff9bd243257da8-ffff9bd243257dc8 # [ 77.764225] lkdtm: attempting good copy_to_user of local stack # [ 77.771101] 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>[ 78.098062] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 78.105541] lkdtm: good_stack: ffff9bd2432d7e20-ffff9bd2432d7e40 <6>[ 78.112920] lkdtm: bad_stack : ffff9bd2432d7da8-ffff9bd2432d7dc8 <6>[ 78.120355] lkdtm: attempting good copy_from_user of local stack <6>[ 78.127474] lkdtm: attempting bad copy_from_user of distant stack # [ 78.098062] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 78.105541] lkdtm: good_stack: ffff9bd2432d7e20-ffff9bd2432d7e40 # [ 78.112920] lkdtm: bad_stack : ffff9bd2432d7da8-ffff9bd2432d7dc8 # [ 78.120355] lkdtm: attempting good copy_from_user of local stack # [ 78.127474] 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>[ 78.462912] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 78.470037] lkdtm: good_stack: ffff9bd24335fe20-ffff9bd24335fe40 <6>[ 78.477110] lkdtm: bad_stack : ffff9bd24335fff8-ffff9bd243360018 <6>[ 78.484500] lkdtm: attempting good copy_to_user of local stack <6>[ 78.491749] lkdtm: attempting bad copy_to_user of distant stack <4>[ 78.499147] lkdtm: copy_to_user failed, but lacked Oops # [ 78.462912] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 78.470037] lkdtm: good_stack: ffff9bd24335fe20-ffff9bd24335fe40 # [ 78.477110] lkdtm: bad_stack : ffff9bd24335fff8-ffff9bd243360018 # [ 78.484500] lkdtm: attempting good copy_to_user of local stack # [ 78.491749] lkdtm: attempting bad copy_to_user of distant stack # [ 78.499147] 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>[ 78.829231] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 78.835723] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffad37e910 <6>[ 78.844818] lkdtm: attempting bad copy_to_user from kernel text: ffffffffabae12e0 <3>[ 78.853554] lkdtm: FAIL: survived bad copy_to_user() # [ 78.829231] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 78.835723] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffad37e910 # [ 78.844818] lkdtm: attempting bad copy_to_user from kernel text: ffffffffabae12e0 # [ 78.853554] 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>[ 79.173697] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 79.180371] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 79.188622] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 79.196748] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 79.203803] CPU: 1 PID: 2869 Comm: cat Tainted: G D W 5.10.180-cip34 #1 <4>[ 79.212786] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 79.219715] Call Trace: <4>[ 79.222771] dump_stack+0x77/0x9b <4>[ 79.226790] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 79.232267] direct_entry.cold+0x2c/0x38 <4>[ 79.236968] full_proxy_write+0x56/0x80 <4>[ 79.241569] vfs_write+0xea/0x3b0 <4>[ 79.245585] ksys_write+0x68/0xf0 <4>[ 79.249601] do_syscall_64+0x33/0x40 <4>[ 79.253908] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 79.259863] RIP: 0033:0x7ff3a98e5473 <4>[ 79.264168] 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>[ 79.285510] RSP: 002b:00007ffd43291a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 79.294300] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff3a98e5473 <4>[ 79.302597] RDX: 0000000000000012 RSI: 00007ff3a97d9000 RDI: 0000000000000001 <4>[ 79.310892] RBP: 00007ff3a97d9000 R08: 00007ff3a97d8010 R09: 0000000000000000 <4>[ 79.319188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 79.327488] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.173697] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 79.180371] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 79.188622] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 79.196748] lkdtm: FAIL: the thread stack is NOT properly erased # [ 79.203803] CPU: 1 PID: 2869 Comm: cat Tainted: G D W 5.10.180-cip34 #1 # [ 79.212786] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.219715] Call Trace: # [ 79.222771] dump_stack+0x77/0x9b # [ 79.226790] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 79.232267] direct_entry.cold+0x2c/0x38 # [ 79.236968] full_proxy_write+0x56/0x80 # [ 79.241569] vfs_write+0xea/0x3b0 # [ 79.245585] ksys_write+0x68/0xf0 # [ 79.249601] do_syscall_64+0x33/0x40 # [ 79.253908] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.259863] RIP: 0033:0x7ff3a98e5473 # [ 79.264168] 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 # [ 79.285510] RSP: 002b:00007ffd43291a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.294300] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff3a98e5473 # [ 79.302597] RDX: 0000000000000012 RSI: 00007ff3a97d9000 RDI: 0000000000000001 # [ 79.310892] RBP: 00007ff3a97d9000 R08: 00007ff3a97d8010 R09: 0000000000000000 # [ 79.319188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.327488] 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>[ 79.656319] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 79.663004] lkdtm: Calling matched prototype ... <6>[ 79.668506] lkdtm: Calling mismatched prototype ... <6>[ 79.674294] lkdtm: Fail: survived mismatched prototype function call! # [ 79.656319] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 79.663004] lkdtm: Calling matched prototype ... # [ 79.668506] lkdtm: Calling mismatched prototype ... # [ 79.674294] 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 / #