[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 57852 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 269793 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 4842 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 52732 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 14061 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 9995 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 14071 usecs PCI: 00:16.3 scanning... scan_generic_bus for PCI: 00:16.3 bus: PCI: 00:16.3[0]->I2C: 03:10 enabled bus: PCI: 00:16.3[0]->I2C: 03:39 enabled scan_generic_bus for PCI: 00:16.3 done scan_bus: scanning of bus PCI: 00:16.3 took 18138 usecs PCI: 00:17.0 scanning... scan_generic_bus for PCI: 00:17.0 bus: PCI: 00:17.0[0]->I2C: 04:15 enabled bus: PCI: 00:17.0[0]->I2C: 04:2c enabled scan_generic_bus for PCI: 00:17.0 done scan_bus: scanning of bus PCI: 00:17.0 took 18145 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 14231 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 11251 usecs scan_bus: scanning of bus DOMAIN: 0000 took 391425 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 411413 usecs done FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'. MRC: cache data 'RW_VAR_MRC_CACHE' needs update. FMAP: area RW_ELOG found @ 421000 (12288 bytes) ELOG: NV offset 0x421000 size 0x3000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-11-11 05:23:36 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-11-11 05:23:36 UTC ELOG: Event(AA) added with size 11 at 2022-11-11 05:23:36 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 700719 exit 96008 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 :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 2951718 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 112461 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2136 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6. AP: slot 3 apic_id 2. AP: slot 2 apic_id 4. done. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: 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 0x7afff800 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #3 Initializing CPU #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #2 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 #3 initialized CPU #2 initialized CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 467940 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2233 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2234 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2235 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2225 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2231 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 27350 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2231 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2236 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2231 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2232 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2235 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6117 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6114 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6113 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6115 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6115 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6115 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2232 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2222 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3552 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2231 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2345 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 42160 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: 04: enabled 1 APIC: 02: enabled 1 BS: BS_DEV_INIT times (us): entry 4983 run 881038 exit 887 ELOG: Event(A1) added with size 10 at 2022-11-11 05:23:40 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-11-11 05:23:40 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 24947 run 3943 exit 5263 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: 04 (unknown) APIC: 02 (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 f33e 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 816108 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 171 run 107993 exit 30981 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 7943240/tftp-deploy-qw0ll0om/kernel/bzImage 7943240/tftp-deploy-qw0ll0om/kernel/cmdline 7943240/tftp-deploy-qw0ll0om/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7943240/tftp-deploy-qw0ll0om/kernel/bzImaoy-qw0ll0om/kernel/cmdline 7943240/tftp-deploy-qw0ll0om/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7943240/tftp-deploy-qw0ll0om/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################## done. The bootfile was 13873984 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ############################## done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 7943240/tftp-deploy-qw0ll0om/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7943240/extract-nfsrootfs-32a06cek,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: 19999111 Starting kernel ... [ 0.000000] Linux version 5.10.154-cip19 (KernelCI@build-j492659-x86-64-gcc-10-x86-64-defconfig-x86-chromeboo7rdl4) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Nov 11 03:26:58 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7943240/extract-nfsrootfs-32a06cek,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 [ 0.000000] tsc: Detected 1094.400 MHz processor [ 0.000057] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000311] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001190] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005359] check: Scanning 1 areas for low memory corruption [ 0.005372] Using GB pages for direct mapping [ 0.006016] RAMDISK: [mem 0x377c5000-0x37ffffff] [ 0.006024] ACPI: Early table checksum verification disabled [ 0.006032] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.006043] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006057] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.006071] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.006082] ACPI: FACS 0x000000007AB10240 000040 [ 0.006091] ACPI: FACS 0x000000007AB10240 000040 [ 0.006100] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.006111] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006121] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.006131] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006140] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.006151] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.006161] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.006165] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.006170] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006174] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.006178] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.006182] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.006186] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.006190] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.006194] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.006198] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.006321] No NUMA configuration found [ 0.006326] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.006335] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.006383] Zone ranges: [ 0.006388] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006395] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006401] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006407] Movable zone start for each node [ 0.006410] Early memory node ranges [ 0.006414] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006419] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006423] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006427] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006433] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006464] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006515] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.013203] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020652] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020685] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020984] ACPI: PM-Timer IO Port: 0x408 [ 0.021059] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.021074] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.021081] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.021093] Using ACPI (MADT) for SMP configuration information [ 0.021099] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.021111] TSC deadline timer available [ 0.021116] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.021150] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.021155] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.021160] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.021165] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.021169] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.021173] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.021177] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.021181] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.021184] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.021188] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.021192] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.021196] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.021203] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.021213] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029631] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.030258] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.030364] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030373] Policy zone: Normal [ 0.030392] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7943240/extract-nfsrootfs-32a06cek,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.031353] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031794] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031861] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.065179] Memory: 3871024K/4071724K available (18450K kernel code, 3459K rwdata, 6772K rodata, 2028K init, 13308K bss, 200440K reserved, 0K cma-reserved) [ 0.065344] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.065405] Kernel/User page tables isolation: enabled [ 0.065478] ftrace: allocating 52770 entries in 207 pages [ 0.095619] ftrace: allocated 207 pages with 6 groups [ 0.095972] Running RCU self tests [ 0.095992] rcu: Hierarchical RCU implementation. [ 0.095996] rcu: RCU event tracing is enabled. [ 0.095999] rcu: RCU lockdep checking is enabled. [ 0.096003] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.096007] Rude variant of Tasks RCU enabled. [ 0.096011] Tracing variant of Tasks RCU enabled. [ 0.096015] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.096019] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.104499] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.104940] random: crng init done [ 0.105054] Console: colour dummy device 80x25 [ 0.173995] printk: console [ttyS2] enabled [ 0.174361] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.175014] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.175361] ... MAX_LOCK_DEPTH: 48 [ 0.175725] ... MAX_LOCKDEP_KEYS: 8192 [ 0.176094] ... CLASSHASH_SIZE: 4096 [ 0.176470] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.176845] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.177228] ... CHAINHASH_SIZE: 32768 [ 0.177611] memory used by lock dependency info: 6365 kB [ 0.178064] memory used for stack traces: 4224 kB [ 0.178475] per task-struct memory footprint: 1920 bytes [ 0.178998] ACPI: Core revision 20200925 [ 0.179627] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.180470] APIC: Switch to symmetric I/O mode setup [ 0.185355] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.190459] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.191352] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.192339] pid_max: default: 32768 minimum: 301 [ 0.193417] LSM: Security Framework initializing [ 0.193841] SELinux: Initializing. [ 0.194387] LSM support for eBPF active [ 0.194766] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.195352] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.197401] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.197947] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.198337] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.198847] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.199339] Spectre V2 : Mitigation: Retpolines [ 0.199724] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.200337] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.200906] Speculative Store Bypass: Vulnerable [ 0.218661] ------------[ cut here ]------------ [ 0.219080] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.219093] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.220337] Modules linked in: [ 0.220609] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.154-cip19 #1 [ 0.221337] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.221842] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.222340] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 60 1a 0c 9e c6 05 70 48 e4 01 01 e8 76 b6 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.223339] RSP: 0000:ffffffff9e403de0 EFLAGS: 00010282 [ 0.224339] RAX: 0000000000000000 RBX: ffffffff9eed2d48 RCX: 0000000000000000 [ 0.224940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9c97a891 [ 0.225337] RBP: ffffffff9dd9c220 R08: 0000000000000001 R09: 0000000000000001 [ 0.225940] R10: ffffffff9e48fcc0 R11: 3fffffffffffffff R12: ffffffff9eee9f34 [ 0.226337] R13: cccccccccccccccc R14: ffffffff9dd9c225 R15: 0000000000000004 [ 0.227340] FS: 0000000000000000(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 0.228020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.228337] CR2: ffff93297ffff000 CR3: 0000000065226000 CR4: 00000000003506f0 [ 0.228941] Call Trace: [ 0.229364] alternative_instructions+0x7d/0x143 [ 0.229768] check_bugs+0xedd/0xf39 [ 0.230076] start_kernel+0x517/0x54d [ 0.230345] secondary_startup_64_no_verify+0xc2/0xcb [ 0.230792] irq event stamp: 89349 [ 0.231088] hardirqs last enabled at (89357): [] console_unlock+0x4d1/0x5f0 [ 0.231338] hardirqs last disabled at (89368): [] console_unlock+0x444/0x5f0 [ 0.232341] softirqs last enabled at (89378): [] irq_enter_rcu+0x71/0x80 [ 0.233340] softirqs last disabled at (89389): [] irq_enter_rcu+0x56/0x80 [ 0.234053] ---[ end trace 94529e6dc4b0e46c ]--- [ 0.243103# ] Freeing SMP alternatives memory: 44K [ 0.244755] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.246099] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.246350] ... version: 4 [ 0.246701] ... bit width: 48 [ 0.247049] ... generic registers: 4 [ 0.247340] ... value mask: 0000ffffffffffff [ 0.247798] ... max period: 00007fffffffffff [ 0.248244] ... fixed-purpose events: 3 [ 0.248339] ... event mask: 000000070000000f [ 0.249296] rcu: Hierarchical SRCU implementation. [ 0.251156] smp: Bringing up secondary CPUs ... [ 0.252179] x86: Booting SMP configuration: [ 0.252356] .... node #0, CPUs: #1 #2 #3 [ 0.255482] smp: Brought up 1 node, 4 CPUs [ 0.256345] smpboot: Max logical packages: 1 [ 0.256711] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.259341] devtmpfs: initialized [ 0.259716] x86/mm: Memory block size: 128MB [ 0.264416] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.265358] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.266447] pinctrl core: initialized pinctrl subsystem [ 0.267263] PM: RTC time: 05:23:54, date: 2022-11-11 [ 0.267918] NET: Registered protocol family 16 [ 0.269029] audit: initializing netlink subsys (disabled) [ 0.269412] audit: type=2000 audit(1668144234.083:1): state=initialized audit_enabled=0 res=1 [ 0.270119] thermal_sys: Registered thermal governor 'step_wise' [ 0.270130] thermal_sys: Registered thermal governor 'user_space' [ 0.271437] cpuidle: using governor menu [ 0.272575] ACPI: bus type PCI registered [ 0.272591] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.273348] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.273980] PCI: Using configuration type 1 for base access [ 0.299354] Kprobes globally optimized [ 0.299712] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.299948] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.301515] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.304550] ACPI: Added _OSI(Module Device) [ 0.304924] ACPI: Added _OSI(Processor Device) [ 0.305312] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.306342] ACPI: Added _OSI(Processor Aggregator Device) [ 0.306807] ACPI: Added _OSI(Linux-Dell-Video) [ 0.307189] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.307343] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.316693] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.323851] ACPI: EC: EC started [ 0.324157] ACPI: EC: interrupt blocked [ 0.325014] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.325346] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.325975] ACPI: Interpreter enabled [ 0.326350] ACPI: (supports S0 S3 S5) [ 0.326671] ACPI: Using IOAPIC for interrupt routing [ 0.327156] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.329215] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.333428] ACPI: Power Resource [PXP] (on) [ 0.357361] ACPI: Power Resource [PRIC] (on) [ 0.384865] ACPI: Power Resource [PRIC] (on) [ 0.456859] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.457352] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.458411] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.459779] PCI host bridge to bus 0000:00 [ 0.460141] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.461344] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.461918] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.462341] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.462971] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.463342] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.463892] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.465272] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.466382] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.467644] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.468176] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.468356] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.468950] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.469838] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.470362] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.470953] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.471349] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.472349] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.472881] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.474923] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.475378] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.476005] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.476469] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.477701] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.478254] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.478510] pci 0000:00:0f.0: PME# supported from D3hot [ 0.479481] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.480221] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.482021] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.482378] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.483116] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.484002] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.484377] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.484979] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.487016] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.487379] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.487982] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.489014] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.489382] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.489985] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.491007] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.492379] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.492975] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.494050] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.494380] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.494979] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.496013] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.496381] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.496981] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.499044] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.499380] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.499979] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.501014] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.501383] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.501985] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.503027] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.504390] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.504984] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.506045] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.506378] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.506976] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.508045] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.508374] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.508972] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.510995] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.511371] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.511968] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.513135] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.514211] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.515414] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.516076] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.517605] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.518493] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.519622] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.520534] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.521936] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.524021] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.524354] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.532345] ACPI: EC: interrupt unblocked [ 0.532705] ACPI: EC: event unblocked [ 0.533056] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.533340] ACPI: EC: GPE=0x2b [ 0.533615] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.534215] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.536363] iommu: Default domain type: Translated [ 0.536995] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.536995] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.538365] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.538863] vgaarb: loaded [ 0.539688] SCSI subsystem initialized [ 0.540619] ACPI: bus type USB registered [ 0.540619] usbcore: registered new interface driver usbfs [ 0.541006] usbcore: registered new interface driver hub [ 0.541382] usbcore: registered new device driver usb [ 0.541958] pps_core: LinuxPPS API ver. 1 registered [ 0.542340] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.543121] PTP clock support registered [ 0.544492] Advanced Linux Sound Architecture Driver Initialized. [ 0.546195] NetLabel: Initializing [ 0.546341] NetLabel: domain hash size = 128 [ 0.546715] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.547261] NetLabel: unlabeled traffic allowed by default [ 0.547454] PCI: Using ACPI for IRQ routing [ 0.578606] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.579306] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.580342] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.582456] clocksource: Switched to clocksource tsc-early [ 1.002918] VFS: Disk quotas dquot_6.6.0 [ 1.003314] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.004304] pnp: PnP ACPI init [ 1.005435] system 00:00: [io 0x0900-0x09fe] has been reserved [ 1.006227] system 00:01: [io 0x0200] has been reserved [ 1.006704] system 00:01: [io 0x0204] has been reserved [ 1.007164] system 00:01: [io 0x0800-0x087f] has been reserved [ 1.007678] system 00:01: [io 0x0880-0x08ff] has been reserved [ 1.010482] pnp: PnP ACPI: found 3 devices [ 1.025822] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.026709] NET: Registered protocol family 2 [ 1.027292] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.029429] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.030415] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.031361] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.033956] TCP: Hash tables configured (established 32768 bind 32768) [ 1.035038] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.036018] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.036892] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.037980] NET: Registered protocol family 1 [ 1.039130] RPC: Registered named UNIX socket transport module. [ 1.039688] RPC: Registered udp transport module. [ 1.040096] RPC: Registered tcp transport module. [ 1.040514] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.041642] NET: Registered protocol family 44 [ 1.042051] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.042517] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.043106] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.043646] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.044165] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.044758] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.045352] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.045934] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.046717] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.050115] PCI: CLS 64 bytes, default 64 [ 1.050858] Unpacking initramfs... [ 1.272051] Freeing initrd memory: 8428K [ 1.272545] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.273097] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.274187] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.274876] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.275375] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.275861] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.276319] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.278056] kvm: already loaded the other module [ 1.278518] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.279406] clocksource: Switched to clocksource tsc [ 1.279928] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.282868] check: Scanning for low memory corruption every 60 seconds [ 1.286056] Initialise system trusted keyrings [ 1.286750] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.305469] NFS: Registering the id_resolver key type [ 1.305950] Key type id_resolver registered [ 1.306350] Key type id_legacy registered [ 1.318082] Key type asymmetric registered [ 1.318494] Asymmetric key parser 'x509' registered [ 1.318978] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.319634] io scheduler mq-deadline registered [ 1.320029] io scheduler kyber registered [ 1.320634] test_firmware: interface ready [ 1.321849] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.323616] ACPI: AC Adapter [AC] (on-line) [ 1.324308] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.325870] ACPI: Lid Switch [LID0] [ 1.326398] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.327268] ACPI: Power Button [PWRB] [ 1.327798] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.328707] ACPI: Sleep Button [SLP] [ 1.329216] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.330051] ACPI: Power Button [PWRF] [ 1.330632] ACPI: \_PR_.CP00: Found 3 idle states [ 1.331779] ACPI: \_PR_.CP01: Found 3 idle states [ 1.332654] ACPI: \_PR_.CP02: Found 3 idle states [ 1.333506] ACPI: \_PR_.CP03: Found 3 idle states [ 1.336590] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.338872] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.339359] Non-volatile memory driver v1.3 [ 1.340019] Linux agpgart interface v0.103 [ 1.343595] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.397545] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xed0b [ 1.398294] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.399049] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.400423] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.401284] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.402264] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.453770] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.457585] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.473824] loop: module loaded [ 1.474832] lkdtm: No crash points registered, enable through debugfs [ 1.527332] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.530958] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.534213] printk: console [ttyS2] disabled [ 1.534921] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.613756] printk: console [ttyS2] enabled [ 4.613909] fbcon: i915drmfb (fb0) is primary device [ 4.616105] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.624453] e100: Intel(R) PRO/100 Network Driver [ 4.624457] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.624509] e1000: Intel(R) PRO/1000 Network Driver [ 4.624511] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.624581] e1000e: Intel(R) PRO/1000 Network Driver [ 4.624583] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.624658] sky2: driver version 1.30 [ 4.624930] usbcore: registered new interface driver r8152 [ 4.625480] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.625499] ehci-pci: EHCI PCI platform driver [ 4.625563] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.625578] ohci-pci: OHCI PCI platform driver [ 4.625635] uhci_hcd: USB Universal Host Controller Interface driver [ 4.627102] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.627951] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.629196] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.629246] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.630806] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.630822] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.630825] usb usb1: Product: xHCI Host Controller [ 4.630828] usb usb1: Manufacturer: Linux 5.10.154-cip19 xhci-hcd [ 4.630831] usb usb1: SerialNumber: 0000:00:15.0 [ 4.632803] hub 1-0:1.0: USB hub found [ 4.632965] hub 1-0:1.0: 8 ports detected [ 4.635302] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.635782] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.635796] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.636087] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.636093] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.636097] usb usb2: Product: xHCI Host Controller [ 4.636099] usb usb2: Manufacturer: Linux 5.10.154-cip19 xhci-hcd [ 4.636102] usb usb2: SerialNumber: 0000:00:15.0 [ 4.637014] hub 2-0:1.0: USB hub found [ 4.637088] hub 2-0:1.0: 7 ports detected [ 4.638736] usbcore: registered new interface driver usblp [ 4.638794] usbcore: registered new interface driver usb-storage [ 4.639172] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.639277] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.639279] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.639867] i8042: Warning: Keylock active [ 4.640116] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.642158] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.643999] rtc_cmos rtc_cmos: registered as rtc0 [ 4.644255] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.644984] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.646364] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.646369] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.646408] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.646488] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.646512] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.646515] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.647464] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.647506] intel_pstate: Intel P-state driver initializing [ 4.650451] sdhci: Secure Digital Host Controller Interface driver [ 4.650459] sdhci: Copyright(c) Pierre Ossman [ 4.650683] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.658965] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.665562] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.666590] hid: raw HID events driver (C) Jiri Kosina [ 4.669275] usbcore: registered new interface driver usbhid [ 4.669282] usbhid: USB HID core driver [ 4.671524] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.672477] Console: switching to colour frame buffer device 240x67 [ 4.678956] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.682270] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.687508] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.688733] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.690471] gre: GRE over IPv4 demultiplexor driver [ 4.690479] ip_gre: GRE over IPv4 tunneling driver [ 4.695727] IPv4 over IPsec tunneling driver [ 4.697891] Initializing XFRM netlink socket [ 4.701709] NET: Registered protocol family 10 [ 4.707598] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.709172] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.709708] Segment Routing with IPv6 [ 4.713320] ip6_gre: GRE over IPv6 tunneling driver [ 4.714935] NET: Registered protocol family 17 [ 5.240305] Key type dns_resolver registered [ 5.248609] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.255017] microcode: Microcode Update Driver: v2.2. [ 5.255040] IPI shorthand broadcast: enabled [ 5.265685] sched_clock: Marking stable (5184056132, 81456561)->(5271774905, -6262212) [ 5.275567] registered taskstats version 1 [ 5.279239] mmc0: new HS400 MMC card at address 0001 [ 5.280211] Loading compiled-in X.509 certificates [ 5.294689] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 5.296864] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.300521] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 5.316106] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 5.319143] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.323632] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 5.340931] PM: Magic number: 14:208:365 [ 5.346601] printk: console [netcon0] enabled [ 5.351526] netconsole: network logging started [ 5.353265] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.367469] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 5.397315] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.398911] IP-Config: Failed to open gretap0 [ 5.410517] IP-Config: Failed to open erspan0 [ 5.415449] IP-Config: No network devices available [ 5.421009] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.446285] modprobe (101) used greatest stack depth: 13880 bytes left [ 5.462935] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.471482] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.471875] ALSA device list: [ 5.481405] cfg80211: failed to load regulatory.db [ 5.484941] No soundcards found. [ 5.495918] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 5.520900] Freeing unused kernel image (initmem) memory: 2028K [ 5.528481] Write protecting the kernel read-only data: 28672k [ 5.532168] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.544394] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.552429] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.557838] usb 1-5: Manufacturer: Quanta [ 5.562372] usb 1-5: SerialNumber: 0x0001 [ 5.563645] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.574288] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.584959] Freeing unused kernel image (rodata/data gap) memory: 1420K [ 5.592946] Run /init as init process [ 5.623712] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.626656] cat (111) used greatest stack depth: 13800 bytes left Loading, please wait... [ 5.646252] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.655492] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.663517] usb 2-2: Product: USB 10/100/1000 LAN [ 5.668839] usb 2-2: Manufacturer: Realtek [ 5.673462] usb 2-2: SerialNumber: 001000001 [ 5.687054] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Starting version 247.3-7+deb11u1 [ 5.706202] systemd-udevd (123) used greatest stack depth: 13672 bytes left [ 5.767430] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.904671] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.913895] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.929998] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.017787] udevadm (125) used greatest stack depth: 13608 bytes left [ 6.021436] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.077537] r8152 2-2:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.121207] r8152 2-2:1.0 eth0: v1.11.11 [ 6.134718] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.172829] r8152 2-2:1.0 enx00e04c7886ca: renamed from eth0 [ 6.960635] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.971784] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.080198] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.274207] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.313765] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c7886ca hardware address 00:e0:4c:78:86:ca mtu 1500 DHCP [ 7.775880] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c7886ca: link becomes ready [ 7.785648] r8152 2-2:1.0 enx00e04c7886ca: carrier on IP-Config: no response after 2 secs - giving up IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c7886ca hardware address 00:e0:4c:78:86:ca mtu 1500 DHCP IP-Config: enx00e04c7886ca complete (dhcp from 192.168.201.1): address: 192.168.201.18 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C523NA-A20057-coral-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.429085] nfsmount (164) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 12.172788] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.214183] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.254294] systemd[1]: Set hostname to . [ 13.728061] systemd[1]: Queued start job for default target Graphical Interface. [ 13.746465] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 13.765132] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 13.784022] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.802884] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.820553] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.841043] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.863581] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.887238] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.904189] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.915998] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.932071] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.943895] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.957431] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.978988] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.998418] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 14.017201] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 14.035604] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 14.059110] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 14.076813] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 14.101622] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 14.126602] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 14.153044] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 14.175982] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 14.216284] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 14.250914] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 14.291861] systemd[1]: Starting Load Kernel Module drm... [ 14.294180] mount (191) used greatest stack depth: 12528 bytes left Starting Load Kernel Module drm... [ 14.320700] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 14.346958] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.375760] systemd[1]: Starting Journal Service... Starting Journal Service... [ 14.397134] fuse: init (API version 7.32) [ 14.404228] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 14.424212] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 14.449196] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 14.487814] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 14.505726] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 14.527902] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 14.545154] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 14.567912] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 14.593606] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.603390] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.624541] systemd[1]: modprobe@drm.service: Succeeded. [ 14.633785] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.653996] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.663401] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 14.682936] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 14.701827] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 14.728536] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 14.749085] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 14.773860] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.785119] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.802691] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 14.825735] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 14.847986] systemd[1]: Starting Create System Users... Starting Create System Users... [ 14.889735] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. [ 14.906094] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. [ 14.938626] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. [ 14.956695] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 14.981955] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. [ 15.131972] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. [ 15.155743] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... [ 15.205578] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ 15.335645] systemd-journald[199]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Finished Create Volatile Files and Directories. [ OK ] Started Network Service. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.154-cip19 #1 SMP Fri Nov 11 03:26:58 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7943240/extract-nfsrootfs-32a06cek' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7943240/extract-nfsrootfs-32a06cek' / # 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-7943240/environment . /lava-7943240/environment / # /lava-7943240/bin/lava-test-runner /lava-7943240/0 /lava-7943240/bin/lava-test-runner /lava-7943240/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7943240/0/tests/0_timesync-off ++ cat uuid + UUID=7943240_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-7943240/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7943240_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.153-cip19-122-g149fbc7cd21d/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7943240/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-11-11 05:24:43-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.153-cip19-122-g149fbc7cd21d/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: 3597408 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 173KB/s kselftest.tar.xz 6%[> ] 216.08K 372KB/s kselftest.tar.xz 24%[===> ] 862.31K 924KB/s kselftest.tar.xz 59%[==========> ] 2.04M 1.64MB/s kselftest.tar.xz 89%[================> ] 3.07M 2.11MB/s kselftest.tar.xz 100%[===================>] 3.43M 2.24MB/s in 1.5s 2022-11-11 05:24:45 (2.24 MB/s) - 'kselftest.tar.xz' saved [3597408/3597408] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 65.636593] 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 [ 66.280539] lkdtm: Performing direct entry BUG [ 66.285856] ------------[ cut here ]------------ [ 66.291669] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 66.297615] invalid opcode: 0000 [#1] SMP PTI [ 66.302496] CPU: 2 PID: 730 Comm: cat Tainted: G W 5.10.154-cip19 #1 [ 66.311054] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.317682] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.322068] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 66.343057] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 66.348899] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.356875] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 66.364848] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 66.372821] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.380796] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 66.388773] FS: 00007f4d75459580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 66.397818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.404238] CR2: 00007f4d75262000 CR3: 000000010122e000 CR4: 00000000003506e0 [ 66.412214] Call Trace: [ 66.414958] direct_entry.cold+0x2c/0x38 [ 66.419348] full_proxy_write+0x56/0x80 [ 66.423640] vfs_write+0xea/0x3a0 [ 66.427348] ksys_write+0x68/0xf0 [ 66.431057] do_syscall_64+0x33/0x40 [ 66.435056] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.440705] RIP: 0033:0x7f4d7536f8f3 [ 66.444704] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.465694] RSP: 002b:00007ffeafe09428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.474158] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4d7536f8f3 [ 66.482132] RDX: 0000000000000004 RSI: 00007f4d75262000 RDI: 0000000000000001 [ 66.490106] RBP: 00007f4d75262000 R08: 00007f4d75261010 R09: 0000000000000000 [ 66.498080] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.506054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.514039] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.530069] ---[ end trace 94529e6dc4b0e46e ]--- [ 66.535254] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.539657] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 66.560655] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 66.566512] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.574504] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 66.582494] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 66.590480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.598471] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 66.606467] FS: 00007f4d75459580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 66.615519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.621961] CR2: 00007f4d75262000 CR3: 000000010122e000 CR4: 00000000003506e0 # Segmentation fault # [ 66.280539] lkdtm: Performing direct entry BUG # [ 66.285856] ------------[ cut here ]------------ # [ 66.291669] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 66.297615] invalid opcode: 0000 [#1] SMP PTI # [ 66.302496] CPU: 2 PID: 730 Comm: cat Tainted: G W 5.10.154-cip19 #1 # [ 66.311054] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.317682] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.322068] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 66.343057] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 66.348899] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.356875] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 66.364848] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 66.372821] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.380796] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 66.388773] FS: 00007f4d75459580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 66.397818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.404238] CR2: 00007f4d75262000 CR3: 000000010122e000 CR4: 00000000003506e0 # [ 66.412214] Call Trace: # [ 66.414958] direct_entry.cold+0x2c/0x38 # [ 66.419348] full_proxy_write+0x56/0x80 # [ 66.423640] vfs_write+0xea/0x3a0 # [ 66.427348] ksys_write+0x68/0xf0 # [ 66.431057] do_syscall_64+0x33/0x40 # [ 66.435056] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.440705] RIP: 0033:0x7f4d7536f8f3 # [ 66.444704] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.465694] RSP: 002b:00007ffeafe09428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.474158] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4d7536f8f3 # [ 66.482132] RDX: 0000000000000004 RSI: 00007f4d75262000 RDI: 0000000000000001 # [ 66.881528] lkdtm: Performing direct entry WARNING [ 66.490106] RBP: 00007f4d75262000 R08: 00007f4d75261010 R09: [ 66.889415] ------------[ cut here ]------------ 0000000000000000 # [ 66.498080] R10: fffffffffffffbc5 R11: 00[ 66.900800] WARNING: CPU: 0 PID: 766 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 00000000000246 R12: 0000000000000001 # [ 66.506054] R13: 0000[ 66.916460] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.938624] CPU: 0 PID: 766 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 66.947208] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.953853] RIP: 0010:lkdtm_WARNING+0x13/0x20 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 66.958789] 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 a0 c6 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 c6 66.514039] Modules linked in: fuse ip_tables cros_ec_lightbar cr[ 66.986010] RSP: 0018:ffffa7e80134fe60 EFLAGS: 00010202 [ 66.998080] RAX: ffffffff9d0dff80 RBX: 0000000000000002 RCX: 0000000000000000 [ 67.006073] RDX: 0000000000000000 RSI: ffff93297bc1bf70 RDI: ffffffff9dd9bda0 [ 67.014068] RBP: ffffffff9e1838af R08: 0000000000000000 R09: 0000000000000000 [ 67.022064] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 67.030050] R13: ffffa7e80134ff10 R14: ffffa7e80134ff10 R15: ffff93290324f000 [ 67.038047] FS: 00007f24bbb89580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 67.047112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.053553] CR2: 00007f24bb992000 CR3: 0000000101326000 CR4: 00000000003506f0 [ 67.061548] Call Trace: [ 67.064313] direct_entry.cold+0x2c/0x38 [ 67.068731] full_proxy_write+0x56/0x80 os_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal[ 67.073040] vfs_write+0xea/0x3a0 [ 67.082956] ksys_write+0x68/0xf0 [ 67.086687] do_syscall_64+0x33/0x40 [ 67.090710] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.096369] RIP: 0033:0x7f24bba9f8f3 [ 67.100386] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.121393] RSP: 002b:00007fff14d9e458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.129877] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f24bba9f8f3 [ 67.137874] RDX: 0000000000000008 RSI: 00007f24bb992000 RDI: 0000000000000001 [ 67.145870] RBP: 00007f24bb992000 R08: 00007f24bb991010 R09: 0000000000000000 [ 67.153863] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.161857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.169862] irq event stamp: 0 [ 67.173295] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.180326] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.189489] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 cros_ec_dev cros_usbpd_notify # [ 66.530069] ---[ end trace [ 67.198659] softirqs last disabled at (0): [<0000000000000000>] 0x0 94529e6dc4b0e46e ]--- # [ 66.535254] RIP: 0010:lkdtm_BUG+0x5/[ 67.211871] ---[ end trace 94529e6dc4b0e46f ]--- 0x10 # [ 66.539657] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 66.560655] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 66.566512] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.574504] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 66.582494] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 66.590480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.598471] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 66.606467] FS: 00007f4d75459580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 66.615519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.621961] CR2: 00007f4d75262000 CR3: 000000010122e000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 66.881528] lkdtm: Performing direct entry WARNING # [ 66.889415] ------------[ cut here ]------------ # [ 66.900800] WARNING: CPU: 0 PID: 766 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 66.916460] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.938624] CPU: 0 PID: 766 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 66.947208] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.953853] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 66.958789] 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 a0 c6 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 c6 # [ 66.986010] RSP: 0018:ffffa7e80134fe60 EFLAGS: 00010202 # [ 66.998080] RAX: ffffffff9d0dff80 RBX: 0000000000000002 RCX: 0000000000000000 # [ 67.006073] RDX: 0000000000000000 RSI: ffff93297bc1bf70 RDI: ffffffff9dd9bda0 # [ 67.014068] RBP: ffffffff9e1838af R08: 0000000000000000 R09: 0000000000000000 # [ 67.022064] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 67.030050] R13: ffffa7e80134ff10 R14: ffffa7e80134ff10 R15: ffff93290324f000 # [ 67.038047] FS: 00007f24bbb89580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 # [ 67.047112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.053553] CR2: 00007f24bb992000 CR3: 0000000101326000[ 67.471793] lkdtm: Performing direct entry WARNING_MESSAGE [ 67.478017] ------------[ cut here ]------------ [ 67.483202] Warning message trigger count: 2 CR4: 00000000003506f0 # [ 67.061548] Call Trace: # [ 67.0[ 67.488056] WARNING: CPU: 2 PID: 801 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 64313] direct_entry.cold+0x2c/0x38 # [ 67.068731] full_prox[ 67.504435] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.526638] CPU: 2 PID: 801 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 67.535225] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.541909] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 67.547606] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 c6 92 02 48 c7 c7 10 3e 18 9e 8d 70 01 89 35 71 c6 92 02 e8 4b 48 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 67.568618] RSP: 0018:ffffa7e8013c7e60 EFLAGS: 00010286 [ 67.574479] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 67.582474] RDX: ffff93297bd2c660 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 67.590471] RBP: ffffffff9e1838b7 R08: 0000000000000000 R09: 0000000000000000 y_write+0x56/0x80 # [ 67.073040] vfs_write+0xea/0x3a0 # [ [ 67.598462] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 67.612668] R13: ffffa7e8013c7f10 R14: ffffa7e8013c7f10 R15: ffff9329037e2000 [ 67.620664] FS: 00007f9323437580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 67.629728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.636168] CR2: 00007f9323240000 CR3: 0000000104a7c000 CR4: 00000000003506e0 [ 67.644163] Call Trace: [ 67.646928] direct_entry.cold+0x2c/0x38 [ 67.651354] full_proxy_write+0x56/0x80 [ 67.655662] vfs_write+0xea/0x3a0 [ 67.659390] ksys_write+0x68/0xf0 [ 67.663121] do_syscall_64+0x33/0x40 [ 67.667143] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.672812] RIP: 0033:0x7f932334d8f3 [ 67.676828] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.697827] RSP: 002b:00007ffe5b1384e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.706311] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f932334d8f3 [ 67.714306] RDX: 0000000000000010 RSI: 00007f9323240000 RDI: 0000000000000001 [ 67.722301] RBP: 00007f9323240000 R08: 00007f932323f010 R09: 0000000000000000 [ 67.730297] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.738282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.746279] irq event stamp: 0 67.082956] ksys_write+0x68/0xf0 # [ 67.086687] do_syscall_[ 67.749707] hardirqs last enabled at (0): [<0000000000000000>] 0x0 64+0x33/0x40 # [ 67.090710] entry_SYSCALL_64_after_hwframe+0[ 67.762936] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.778305] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 x61/0xc6 # [ 67.096369] RIP: 0033:0x7f24bba9f8f3 # [ 67.10[ 67.787460] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.800685] ---[ end trace 94529e6dc4b0e470 ]--- 0386] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.121393] RSP: 002b:00007fff14d9e458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.129877] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f24bba9f8f3 # [ 67.137874] RDX: 0000000000000008 RSI: 00007f24bb992000 RDI: 0000000000000001 # [ 67.145870] RBP: 00007f24bb992000 R08: 00007f24bb991010 R09: 0000000000000000 # [ 67.153863] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.161857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.169862] irq event stamp: 0 # [ 67.173295] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.180326] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.189489] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.198659] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.211871] ---[ end trace 94529e6dc4b0e46f ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 67.471793] lkdtm: Performing direct entry WARNING_MESSAGE # [ 67.478017] ------------[ cut here ]------------ # [ 67.483202] Warning message trigger count: 2 # [ 67.488056] WARNING: CPU: 2 PID: 801 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 67.504435] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.526638] CPU: 2 PID: 801 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 67.535225] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.541909] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 67.547606] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 c6 92 02 48 c7 c7 10 3e 18 9e 8d 70 01 89 35 71 c6 92 02 e8 4b 48 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 67.568618] RSP: 0018:ffffa7e8013c7e60 EFLAGS: 00010286 # [ 67.574479] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 67.582474] RDX: ffff93297bd2c660 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ 67.590471] RBP: ffffffff9e1838b7 R08: 0000000000000000 R09: 0000000000000000 # [ 67.598462] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 67.612668] R13: ffffa7e8013c7f10 R14: ffffa7e8013c7f10 R15: ffff9329037e2000 # [ [ 68.054287] lkdtm: Performing direct entry EXCEPTION [ 68.066049] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 68.073828] #PF: supervisor write access in kernel mode [ 68.079657] #PF: error_code(0x0002) - not-present page [ 68.085396] PGD 0 P4D 0 [ 68.088228] Oops: 0002 [#2] SMP PTI [ 68.092124] CPU: 2 PID: 833 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 68.100682] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.107303] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 68.112267] Code: 48 c7 c7 10 3e 18 9e 8d 70 01 89 35 71 c6 92 02 e8 4b 48 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 68.133246] RSP: 0018:ffffa7e80143fe60 EFLAGS: 00010282 [ 68.139087] RAX: ffffffff9d0dffd0 RBX: 0000000000000004 RCX: 0000000000000000 [ 68.147061] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bdc0 [ 68.155035] RBP: ffffffff9e0b8bb7 R08: 0000000000000000 R09: 0000000000000000 [ 68.163009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 68.170980] R13: ffffa7e80143ff10 R14: ffffa7e80143ff10 R15: ffff932902a56000 [ 68.178954] FS: 00007fd47bbb3580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 68.187991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.194411] CR2: 0000000000000000 CR3: 00000001035aa000 CR4: 00000000003506e0 [ 68.202380] Call Trace: [ 68.205123] direct_entry.cold+0x2c/0x38 [ 68.209513] full_proxy_write+0x56/0x80 [ 68.213802] vfs_write+0xea/0x3a0 [ 68.217505] ksys_write+0x68/0xf0 [ 68.221204] do_syscall_64+0x33/0x40 [ 68.225200] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.230846] RIP: 0033:0x7fd47bac98f3 [ 68.234832] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.255810] RSP: 002b:00007fff1b4c96e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.264269] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd47bac98f3 [ 68.272242] RDX: 000000000000000a RSI: 00007fd47b9bc000 RDI: 0000000000000001 [ 68.280216] RBP: 00007fd47b9bc000 R08: 00007fd47b9bb010 R09: 0000000000000000 [ 68.288189] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.296165] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.304152] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.320117] CR2: 0000000000000000 [ 68.323822] ---[ end trace 94529e6dc4b0e471 ]--- [ 68.328976] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.333351] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 68.354330] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 68.360171] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.368143] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 68.376116] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 68.384089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.392063] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 68.400037] FS: 00007fd47bbb3580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 68.409076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.415496] CR2: 0000000000000000 CR3: 00000001035aa000 CR4: 00000000003506e0 [ 68.423472] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 68.433385] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 833, name: cat [ 68.441749] INFO: lockdep is turned off. [ 68.446128] irq event stamp: 0 [ 68.449538] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.456543] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.465673] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.474812] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.481817] CPU: 2 PID: 833 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 68.490372] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.496984] Call Trace: [ 68.499722] dump_stack+0x77/0x9b [ 68.503430] ___might_sleep.cold+0xa6/0xb6 [ 68.508013] exit_signals+0x1c/0x2e0 [ 68.512009] do_exit+0xd5/0xb00 [ 68.515520] ? ksys_write+0x68/0xf0 [ 68.519424] rewind_stack_do_exit+0x17/0x20 [ 68.524098] RIP: 0033:0x7fd47bac98f3 [ 68.528093] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.549078] RSP: 002b:00007fff1b4c96e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.557541] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd47bac98f3 [ 68.565515] RDX: 000000000000000a RSI: 00007fd47b9bc000 RDI: 0000000000000001 [ 68.573488] RBP: 00007fd47b9bc000 R08: 00007fd47b9bb010 R09: 0000000000000000 [ 68.581460] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.589437] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 67.620664] FS: 00007f9323437580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 67.629728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.636168] CR2: 00007f9323240000 CR3: 0000000104a7c000 CR4: 00000000003506e0 # [ 67.644163] Call Trace: # [ 67.646928] direct_entry.cold+0x2c/0x38 # [ 67.651354] full_proxy_write+0x56/0x80 # [ 67.655662] vfs_write+0xea/0x3a0 # [ 67.659390] ksys_write+0x68/0xf0 # [ 67.663121] do_syscall_64+0x33/0x40 # [ 67.667143] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.672812] RIP: 0033:0x7f932334d8f3 # [ 67.676828] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.697827] RSP: 002b:00007ffe5b1384e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.706311] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f932334d8f3 # [ 67.714306] RDX: 0000000000000010 RSI: 00007f9323240000 RDI: 0000000000000001 # [ 67.722301] RBP: 00007f9323240000 R08: 00007f932323f010 R09: 0000000000000000 # [ 67.730297] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.738282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.746279] irq event stamp: 0 # [ 67.749707] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.762936] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.778305] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.787460] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.800685] ---[ end trace 94529e6dc4b0e470 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 68.054287] lkdtm: Performing direct entry EXCEPTION # [ 68.066049] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 68.073828] #PF: supervisor write access in kernel mode # [ 68.079657] #PF: error_code(0x0002) - not-present page # [ 68.085396] PGD 0 P4D 0 # [ 68.088228] Oops: 0002 [#2] SMP PTI # [ 68.092124] CPU: 2 PID: 833 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 68.100682] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.107303] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 68.112267] Code: 48 c7 c7 10 3e 18 9e 8d 70 01 89 35 71 c6 92 02 e8 4b 48 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 68.133246] RSP: 0018:ffffa7e80143fe60 EFLAGS: 00010282 # [ 68.139087] RAX: ffffffff9d0dffd0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 68.147061] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bdc0 # [ 68.155035] RBP: ffffffff9e0b8bb7 R08: 0000000000000000 R09: 0000000000000000 # [ 68.163009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 68.170980] R13: ffffa7e80143ff10 R14: ffffa7e80143ff10 R15: ffff932902a56000 # [ 68.178954] FS: 00007fd47bbb3580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 68.187991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.194411] CR2: 0000000000000000 CR3: 00000001035aa000 CR4: 00000000003506e0 # [ 68.202380] Call Trace: # [ 68.205123] direct_entry.cold+0x2c/0x38 # [ 68.209513] full_proxy_write+0x56/0x80 # [ 68.213802] vfs_write+0xea/0x3a0 # [ 68.217505] ksys_write+0x68/0xf0 # [ 68.221204] do_syscall_64+0x33/0x40 # [ 68.225200] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.230846] RIP: 0033:0x7fd47bac98f3 # [ 68.234832] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.255810] RSP: 002b:00007fff1b4c96e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.264269] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd47bac98f3 # [ 68.272242] RDX: 000000000000000a RSI: 00007fd47b9bc000 RDI: 0000000000000001 # [ 68.280216] RBP: 00007fd47b9bc000 R08: 00007fd47b9bb010 R09: 0000000000000000 # [ 68.288189] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.296165] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.304152] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.320117] CR2: 0000000000000000 # [ 68.323822] ---[ end trace 94529e6dc4b0e471 ]--- # [ 68.328976] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 68.333351] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 68.354330] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 68.360171] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.368143] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 68.376116] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 68.384089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.392063] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 68.400037] FS: 00007fd47bbb3580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 68.409076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.415496] CR2: 0000000000000000 CR3: 00000001035aa000 CR4: 00000000003506e0 # [ 68.423472] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.433385] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 833, name: cat # [ 68.441749] INFO: lockdep is turned off. # [ 68.446128] irq event stamp: 0 # [ 68.449538] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.456543] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.465673] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.474812] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.481817] CPU: 2 PID: 833 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 68.490372] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.496984] Call Trace: # [ 68.499722] dump_stack+0x77/0x9b # [ 68.503430] ___might_sleep.cold+0xa6/0xb6 # [ 68.508013] exit_signals+0x1c/0x2e0 # [ 68.512009] do_exit+0xd5/0xb00 # [ 68.515520] ? ksys_write+0x68/0xf0 # [ 68.519424] rewind_stack_do_exit+0x17/0x20 # [ 68.524098] RIP: 0033:0x7fd47bac98f3 # [ 68.528093] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.549078] RSP: 002b:00007fff1b4c96e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.557541] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd47bac98f3 # [ 68.565515] RDX: 000000000000000a RSI: 00007fd47b9bc000 RDI: 0000000000000001 # [ 68.573488] RBP: 00007fd47b9bc000 R08: 00007fd47b9bb010 R09: 0000000000000000 # [ 68.581460] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.589437] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 69.442499] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 69.448757] lkdtm: attempting good list addition [ 69.453945] lkdtm: attempting corrupted list addition [ 69.459625] lkdtm: list_add() corruption not detected! # [ 69.442499] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 69.448757] lkdtm: attempting good list addition # [ 69.453945] lkdtm: attempting corrupted list addition # [ 69.459625] 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 [ 69.698838] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 69.705107] lkdtm: attempting good list removal [ 69.710201] lkdtm: attempting corrupted list removal [ 69.715788] lkdtm: list_del() corruption not detected! # [ 69.698838] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 69.705107] lkdtm: attempting good list removal # [ 69.710201] lkdtm: attempting corrupted list removal # [ 69.715788] 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 [ 69.950419] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 69.957474] lkdtm: attempting bad read from page below current stack [ 69.964629] BUG: stack guard page was hit at 0000000070128702 (stack is 000000005d853c86..00000000ae744e1d) [ 69.975526] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 69.982341] CPU: 0 PID: 1058 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 69.990995] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.997622] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 70.004147] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b0 41 18 9e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 f0 41 18 9e <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 [ 70.025135] RSP: 0018:ffffa7e801767e50 EFLAGS: 00010246 [ 70.030979] RAX: 0000000000000038 RBX: ffffa7e801764000 RCX: 0000000000000000 [ 70.038953] RDX: 0000000000000000 RSI: ffff93297bc1bf70 RDI: ffffffff9e1841f0 [ 70.046923] RBP: ffffffff9e18391a R08: 0000000000000000 R09: 0000000000000000 [ 70.054897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 70.062872] R13: ffffa7e801767f10 R14: ffffa7e801767f10 R15: ffff93290347a000 [ 70.070847] FS: 00007f92dd7f4580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 70.079889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.086310] CR2: ffffa7e801763fff CR3: 0000000105edc000 CR4: 00000000003506f0 [ 70.094283] Call Trace: [ 70.097025] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 70.102094] direct_entry.cold+0x2c/0x38 [ 70.106485] full_proxy_write+0x56/0x80 [ 70.110777] vfs_write+0xea/0x3a0 [ 70.114486] ksys_write+0x68/0xf0 [ 70.118193] do_syscall_64+0x33/0x40 [ 70.122193] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.127844] RIP: 0033:0x7f92dd70a8f3 [ 70.131841] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.152828] RSP: 002b:00007fff4b422468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.161292] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f92dd70a8f3 [ 70.169267] RDX: 0000000000000019 RSI: 00007f92dd5fd000 RDI: 0000000000000001 [ 70.177243] RBP: 00007f92dd5fd000 R08: 00007f92dd5fc010 R09: 0000000000000000 [ 70.185215] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.193189] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.201175] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.217152] ---[ end trace 94529e6dc4b0e472 ]--- [ 70.222316] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 70.226702] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 70.247676] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 70.253517] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 70.261492] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 70.269465] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 70.277438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.285414] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 70.293389] FS: 00007f92dd7f4580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 70.302431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.308852] CR2: ffffa7e801763fff CR3: 0000000105edc000 CR4: 00000000003506f0 [ 70.316829] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 70.326746] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1058, name: cat [ 70.335206] INFO: lockdep is turned off. [ 70.339587] irq event stamp: 0 [ 70.343000] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.350005] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.359145] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.368285] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.375293] CPU: 0 PID: 1058 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 70.383946] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.390560] Call Trace: [ 70.393300] dump_stack+0x77/0x9b [ 70.397010] ___might_sleep.cold+0xa6/0xb6 [ 70.401593] exit_signals+0x1c/0x2e0 [ 70.405591] do_exit+0xd5/0xb00 [ 70.409103] ? ksys_write+0x68/0xf0 [ 70.413006] rewind_stack_do_exit+0x17/0x20 [ 70.417684] RIP: 0033:0x7f92dd70a8f3 [ 70.421679] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.442665] RSP: 002b:00007fff4b422468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.451127] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f92dd70a8f3 [ 70.459100] RDX: 0000000000000019 RSI: 00007f92dd5fd000 RDI: 0000000000000001 [ 70.467075] RBP: 00007f92dd5fd000 R08: 00007f92dd5fc010 R09: 0000000000000000 [ 70.475051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.483027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 69.950419] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 69.957474] lkdtm: attempting bad read from page below current stack # [ 69.964629] BUG: stack guard page was hit at 0000000070128702 (stack is 000000005d853c86..00000000ae744e1d) # [ 69.975526] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 69.982341] CPU: 0 PID: 1058 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 69.990995] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.997622] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 70.004147] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b0 41 18 9e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 f0 41 18 9e <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 # [ 70.025135] RSP: 0018:ffffa7e801767e50 EFLAGS: 00010246 # [ 70.030979] RAX: 0000000000000038 RBX: ffffa7e801764000 RCX: 0000000000000000 # [ 70.038953] RDX: 0000000000000000 RSI: ffff93297bc1bf70 RDI: ffffffff9e1841f0 # [ 70.046923] RBP: ffffffff9e18391a R08: 0000000000000000 R09: 0000000000000000 # [ 70.054897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 70.062872] R13: ffffa7e801767f10 R14: ffffa7e801767f10 R15: ffff93290347a000 # [ 70.070847] FS: 00007f92dd7f4580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 # [ 70.079889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.086310] CR2: ffffa7e801763fff CR3: 0000000105edc000 CR4: 00000000003506f0 # [ 70.094283] Call Trace: # [ 70.097025] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 70.102094] direct_entry.cold+0x2c/0x38 # [ 70.106485] full_proxy_write+0x56/0x80 # [ 70.110777] vfs_write+0xea/0x3a0 # [ 70.114486] ksys_write+0x68/0xf0 # [ 70.118193] do_syscall_64+0x33/0x40 # [ 70.122193] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.127844] RIP: 0033:0x7f92dd70a8f3 # [ 70.131841] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.152828] RSP: 002b:00007fff4b422468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.161292] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f92dd70a8f3 # [ 70.169267] RDX: 0000000000000019 RSI: 00007f92dd5fd000 RDI: 0000000000000001 # [ 70.177243] RBP: 00007f92dd5fd000 R08: 00007f92dd5fc010 R09: 0000000000000000 # [ 70.185215] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.193189] R13: 0000[ 70.784699] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 70.794242] lkdtm: attempting bad read from page above current stack [ 70.801408] BUG: stack guard page was hit at 00000000995db8e1 (stack is 00000000aea5fade..00000000e39a5edb) 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 70.812294] kernel stack overflow (page fault): 0000 [#4] SMP PTI 70[.201175] Modules linked in: fuse ip_tables cros_ec_lightbar cr 70.825319] CPU: 1 PID: 1091 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 70.840189] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.846814] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d os[_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal 70.853433] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 28 42 18 9e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 68 42 18 9e <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff [ 70.880632] RSP: 0018:ffffa7e8017e7e50 EFLAGS: 00010246 [ 70.886474] RAX: 0000000000000038 RBX: ffffa7e8017e4000 RCX: 0000000000000000 [ 70.894448] RDX: 0000000000000000 RSI: ffff93297bc9bf70 RDI: ffffffff9e184268 [ 70.902424] RBP: ffffffff9e183933 R08: 0000000000000000 R09: 0000000000000000 [ 70.910399] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 70.918374] R13: ffffa7e8017e7f10 R14: ffffa7e8017e7f10 R15: ffff932903318000 [ 70.926349] FS: 00007f0d2678c580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 [ 70.935394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.941813] CR2: ffffa7e8017e8000 CR3: 00000001037c8000 CR4: 00000000003506e0 [ 70.949786] Call Trace: [ 70.952531] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 70.958375] direct_entry.cold+0x2c/0x38 [ 70.962762] full_proxy_write+0x56/0x80 [ 70.967053] vfs_write+0xea/0x3a0 [ 70.970758] ksys_write+0x68/0xf0 [ 70.974467] do_syscall_64+0x33/0x40 [ 70.978466] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.984118] RIP: 0033:0x7f0d266a28f3 [ 70.988114] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.009098] RSP: 002b:00007fff90db7528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.017560] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f0d266a28f3 [ 71.025532] RDX: 000000000000001a RSI: 00007f0d26595000 RDI: 0000000000000001 [ 71.033507] RBP: 00007f0d26595000 R08: 00007f0d26594010 R09: 0000000000000000 [ 71.041481] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.049455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cros_ec_dev cros_usbpd_notify # [ 70.217152] ---[ end trace [ 71.057440] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.079605] ---[ end trace 94529e6dc4b0e473 ]--- [ 71.084771] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 71.089153] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 71.110136] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 71.115975] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 71.123946] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 71.131919] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 71.139890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 71.147853] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 71.155814] FS: 00007f0d2678c580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 [ 71.164848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.171259] CR2: ffffa7e8017e8000 CR3: 00000001037c8000 CR4: 00000000003506e0 94529e6dc4b0e472 ]--- # [ 70.222316] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 70.226702] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 70.247676] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 70.253517] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 70.261492] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 70.269465] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 70.277438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 70.285414] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 70.293389] FS: 00007f92dd7f4580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 # [ 70.302431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.308852] CR2: ffffa7e801763fff CR3: 0000000105edc000 CR4: 00000000003506f0 # [ 70.316829] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 70.326746] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1058, name: cat # [ 70.335206] INFO: lockdep is turned off. # [ 70.339587] irq event stamp: 0 # [ 70.343000] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.350005] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.359145] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.368285] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.375293] CPU: 0 PID: 1058 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 70.383946] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.390560] Call Trace: # [ 70.393300] dump_stack+0x77/0x9b # [ 70.397010] ___might_sleep.cold+0xa6/0xb6 # [ 70.401593] exit_signals+0x1c/0x2e0 # [ 70.405591] do_exit+0xd5/0xb00 # [ 70.409103] ? ksys_write+0x68/0xf0 # [ 70.413006] rewind_stack_do_exit+0x17/0x20 # [ 70.417684] RIP: 0033:0x7f92dd70a8f3 # [ 70.421679] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.442665] RSP: 002b:00007fff4b422468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.451127] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f92dd70a8f3 # [ 70.459100] RDX: 0000000000000019 RSI: 00007f92dd5fd000 RDI: 0000000000000001 # [ 70.467075] RBP: 00007f92dd5fd000 R08: 00007f92dd5fc010 R09: 0000000000000000 # [ 70.475051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.483027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_[ 71.464479] lkdtm: Performing direct entry UNSET_SMEP PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.s[ 71.470532] lkdtm: trying to clear SMEP normally h # Segmentation fault # [ 70.784699] lkdtm: Performing dire[ 71.481938] ------------[ cut here ]------------ ct entry STACK_GUARD_PAGE_TRAILING # [ 70.794242] lkdtm: atte[ 71.493336] pinned CR4 bits changed: 0x100000!? mpting bad read from page above current stack # [ 70.801408] [ 71.504601] WARNING: CPU: 3 PID: 1127 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 BUG: stack guard page was hit at 00000000995db8e1 (stack is 0000[ 71.521074] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000aea5fade..00000000e39a5edb) # [ 70.812294] kernel stack o[ 71.543225] CPU: 3 PID: 1127 Comm: cat Tainted: G D W 5.10.154-cip19 #1 verflow (page fault): 0000 [#4] SMP PTI # [ 70.825319] CPU: 1[ 71.558072] Hardware name: Google Coral/Coral, BIOS 09/29/2020 PID: 1091 Comm: cat Tainted: G D W 5.10.154-cip19 [ 71.570910] RIP: 0010:native_write_cr4+0x45/0x60 #1 # [ 70.840189] Hardware name: Google Coral/Coral, BIOS 09[ 71.582290] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a8 8e e3 01 00 75 f2 48 c7 c7 10 2c 0c 9e c6 05 98 8e e3 01 01 e8 86 fc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 /29/2020 # [ 70.846814] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAI[ 71.609526] RSP: 0018:ffffa7e80183fe48 EFLAGS: 00010286 LING+0x27/0x3d # [ 70.853433] Code: a0 fd ff 0f 1f 44 00 00 5[ 71.621572] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 3 48 c7 c7 28 42 18 9e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18[ 71.635793] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 e8 f0 9f fd ff 48 c7 c7 68 42 18 9e <8a> 83 00 40 00 00 88 44 2[ 71.649979] RBP: ffffffff9e18394d R08: 0000000000000000 R09: 0000000000000000 4 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff # [ 70.880632] RSP: [ 71.664196] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 0018:ffffa7e8017e7e50 EFLAGS: 00010246 # [ 70.886474] RAX: 00[ 71.678387] R13: ffffa7e80183ff10 R14: ffffa7e80183ff10 R15: ffff932902a93000 00000000000038 RBX: ffffa7e8017e4000 RCX: 0000000000000000 # [ [ 71.692628] FS: 00007f06e6756580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 70.894448] RDX: 0000000000000000 RSI: ffff93297bc9bf70 RDI: ff[ 71.707865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffff9e184268 # [ 70.902424] RBP: ffffffff9e183933 R08: 0000[ 71.720511] CR2: 00007f06e655f000 CR3: 000000010375c000 CR4: 00000000003506e0 000000000000 R09: 0000000000000000 # [ 70.910399] R10: 000000[ 71.734731] Call Trace: 00ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 70[ 71.743738] lkdtm_UNSET_SMEP.cold+0x1d/0x103 .918374] R13: ffffa7e8017e7f10 R14: ffffa7e8017e7f10 R15: ffff93[ 71.755063] direct_entry.cold+0x2c/0x38 2903318000 # [ 70.926349] FS: 00007f0d2678c580(0000) GS:ffff[ 71.765475] full_proxy_write+0x56/0x80 93297bc80000(0000) knlGS:0000000000000000 # [ 70.935394] CS: [ 71.776179] vfs_write+0xea/0x3a0 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.941813] [ 71.786105] ksys_write+0x68/0xf0 CR2: ffffa7e8017e8000 CR3: 00000001037c8000 CR4: 00000000003506e[ 71.796051] do_syscall_64+0x33/0x40 0 # [ 70.949786] Call Trace: # [ 70.952531] ? lkdtm_STACK[ 71.806294] entry_SYSCALL_64_after_hwframe+0x61/0xc6 _GUARD_PAGE_LEADING+0x3a/0x3a # [ 70.958375] direct_entry.co[ 71.818107] RIP: 0033:0x7f06e666c8f3 ld+0x2c/0x38 # [ 70.962762] full_proxy_write+0x56/0x80 # [ [ 71.828373] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 70.967053] vfs_write+0xea/0x3a0 # [ 70.970758] ksys_write[ 71.855366] RSP: 002b:00007ffefe206498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 +0x68/0xf0 # [ 70.974467] do_syscall_64+0x33/0x40 # [ 70.[ 71.870206] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f06e666c8f3 978466] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.9841[ 71.884472] RDX: 000000000000000b RSI: 00007f06e655f000 RDI: 0000000000000001 18] RIP: 0033:0x7f0d266a28f3 # [ 70.988114] Code: 8b 15 a1 25[ 71.898582] RBP: 00007f06e655f000 R08: 00007f06e655e010 R09: 0000000000000000 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b [ 71.912625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0[ 71.926857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71[ 71.941041] irq event stamp: 0 .009098] RSP: 002b:00007fff90db7528 EFLAGS: 00000246 ORIG_RAX: 0[ 71.950700] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000001 # [ 71.017560] RAX: ffffffffffffffda RBX: 000[ 71.963892] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 000000000001a RCX: 00007f0d266a28f3 # [ 71.025532] RDX: 00000[ 71.979262] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0000000001a RSI: 00007f0d26595000 RDI: 0000000000000001 # [ 7[ 71.994658] softirqs last disabled at (0): [<0000000000000000>] 0x0 1.033507] RBP: 00007f0d26595000 R08: 00007f0d26594010 R09: 00000[ 72.007867] ---[ end trace 94529e6dc4b0e474 ]--- 00000000000 # [ 71.041481] R10: fffffffffffffbc5 R11: 0000000[ 72.019297] lkdtm: ok: SMEP did not get cleared 000000246 R12: 0000000000000001 # [ 71.049455] R13: 000000000[ 72.030574] lkdtm: trying to clear SMEP with call gadget 0000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.05[ 72.042726] lkdtm: ok: SMEP removal was reverted 7440] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.079605] ---[ end trace 94529e6dc4b0e473 ]--- # [ 71.084771] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 71.089153] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 71.110136] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 71.115975] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 71.123946] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 71.131919] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 71.139890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 71.147853] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 71.155814] FS: 00007f0d2678c580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 # [ 71.164848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.171259] CR2: ffffa7e8017e8000 CR3: 00000001037c8000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 71.464479] lkdtm: Performing direct entry UNSET_SMEP # [ 71.470532] lkdtm: trying to clear SMEP normally # [ 71.481938] ------------[ cut here ]------------ # [ 71.493336] pinned CR4 bits changed: 0x100000!? # [ 71.504601] WARNING: CPU: 3 PID: 1127 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 71.521074] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.543225] CPU: 3 PID: 1127 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 71.558072] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.570910] RIP: 0010:native_write_cr4+0x45/0x60 # [ 71.582290] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a8 8e e3 01 00 75 f2 48 c7 c7 10 2c 0c 9e c6 05 98 8e e3 01 01 e8 86 fc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 71.609526] RSP: 0018:ffffa7e80183fe48 EFLAGS: 00010286 # [ 71.621572] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 71.635793] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 # [ 71.649979] RBP: ffffffff9e18394d R08: 0000000000000000 R09: 0000000000000000 # [ 71.664196] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 71.678387] R13: ffffa7e80183ff10 R14: ffffa7e80183ff10 R15: ffff932902a9[ 72.316452] lkdtm: Performing direct entry DOUBLE_FAULT [ 72.327290] lkdtm: XFAIL: this test is ia32-only 3000 # [ 71.692628] FS: 00007f06e6756580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 71.707865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.720511] CR2: 00007f06e655f000 CR3: 000000010375c000 CR4: 00000000003506e0 # [ 71.734731] Call Trace: # [ 71.743738] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 71.755063] direct_entry.cold+0x2c/0x38 # [ 71.765475] full_proxy_write+0x56/0x80 # [ 71.776179] vfs_write+0xea/0x3a0 # [ 71.786105] ksys_write+0x68/0xf0 # [ 71.796051] do_syscall_64+0x33/0x40 # [ 71.806294] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.818107] RIP: 0033:0x7f06e666c8f3 # [ 71.828373] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.855366] RSP: 002b:00007ffefe206498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.870206] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f06e666c8f3 # [ 71.884472] RDX: 000000000000000b RSI: 00007f06e655f000 RDI: 0000000000000001 # [ 71.898582] RBP: 00007f06e655f000 R08: 00007f06e655e010 R09: 0000000000000000 # [ 71.912625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.926857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.941041] irq event stamp: 0 # [ 71.950700] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.963892] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.979262] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.994658] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.007867] ---[ end trace 94529e6dc4b0e474 ]--- # [ 72.019297] lkdtm: ok: SMEP did not get cleared # [ 72.030574] lkdtm: trying to clear SMEP with call gadget # [ 72.042726] 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 # [ 72.316452] lkdtm: Performing direct entry DOUBLE_FAULT # [ 72.327290] 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 [ 72.574889] lkdtm: Performing direct entry CORRUPT_PAC [ 72.580665] lkdtm: XFAIL: this test is arm64-only # [ 72.574889] lkdtm: Performing direct entry CORRUPT_PAC # [ 72.580665] 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 [ 72.827282] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 72.834515] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 72.827282] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 72.834515] 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 [ 73.348411] lkdtm: Performing direct entry READ_AFTER_FREE [ 73.354590] lkdtm: Value in memory before free: 12345678 [ 73.360554] lkdtm: Attempting bad read from freed memory [ 73.366499] lkdtm: Memory was not poisoned # [ 73.348411] lkdtm: Performing direct entry READ_AFTER_FREE # [ 73.354590] lkdtm: Value in memory before free: 12345678 # [ 73.360554] lkdtm: Attempting bad read from freed memory # [ 73.366499] 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 [ 73.748569] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 73.755330] lkdtm: Value in memory before free: 12345678 [ 73.761316] lkdtm: Attempting to read from freed memory [ 73.767197] lkdtm: Buddy page was not poisoned # [ 73.748569] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 73.755330] lkdtm: Value in memory before free: 12345678 # [ 73.761316] lkdtm: Attempting to read from freed memory # [ 73.767197] 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 [ 74.020767] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 74.027045] lkdtm: Attempting double slab free ... # [ 74.020767] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 74.027045] 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 [ 74.285399] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 74.291579] lkdtm: Attempting cross-cache slab free ... # [ 74.285399] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 74.291579] 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 [ 74.546897] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 74.552966] lkdtm: Attempting non-Slab slab free ... # [ 74.546897] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 74.552966] 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 [ 75.294024] lkdtm: Performing direct entry EXEC_DATA [ 75.299610] lkdtm: attempting ok execution at ffffffff9d0e0340 [ 75.306168] lkdtm: attempting bad execution at ffffffff9fa0c660 [ 75.312837] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.321204] BUG: unable to handle page fault for address: ffffffff9fa0c660 [ 75.328887] #PF: supervisor instruction fetch in kernel mode [ 75.335212] #PF: error_code(0x0011) - permissions violation [ 75.341433] PGD 65229067 P4D 65229067 PUD 6522a063 PMD 80000000668000e3 [ 75.348933] Oops: 0011 [#5] SMP PTI [ 75.352827] CPU: 2 PID: 1634 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 75.361476] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.368099] RIP: 0010:data_area+0x0/0x40 [ 75.372484] Code: ff ff 00 52 73 02 29 93 ff ff 00 51 73 02 29 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 75.393458] RSP: 0018:ffffa7e801f97e48 EFLAGS: 00010246 [ 75.399297] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.407267] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 75.415242] RBP: ffffffff9fa0c660 R08: 0000000000000000 R09: 0000000000000000 [ 75.423216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 75.431190] R13: ffffa7e801f97f10 R14: ffffa7e801f97f10 R15: ffff932904c55000 [ 75.439164] FS: 00007f856c5ab580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 75.448200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.454617] CR2: ffffffff9fa0c660 CR3: 0000000101326000 CR4: 00000000003506e0 [ 75.462585] Call Trace: [ 75.465326] ? execute_location+0x48/0x56 [ 75.469808] ? direct_entry.cold+0x2c/0x38 [ 75.474386] ? full_proxy_write+0x56/0x80 [ 75.478872] ? vfs_write+0xea/0x3a0 [ 75.482770] ? ksys_write+0x68/0xf0 [ 75.486662] ? do_syscall_64+0x33/0x40 [ 75.490851] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.496691] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.512646] CR2: ffffffff9fa0c660 [ 75.516349] ---[ end trace 94529e6dc4b0e475 ]--- [ 75.521503] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.525881] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 75.546825] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 75.552666] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.560634] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 75.568604] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 75.576573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.584542] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 75.592509] FS: 00007f856c5ab580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 75.601533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.607949] CR2: ffffffff9fa0c660 CR3: 0000000101326000 CR4: 00000000003506e0 [ 75.615918] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.625824] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1634, name: cat [ 75.634278] INFO: lockdep is turned off. [ 75.638654] irq event stamp: 0 [ 75.642062] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.649064] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 75.658194] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 75.667326] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.674328] CPU: 2 PID: 1634 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 75.682970] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.689584] Call Trace: [ 75.692324] dump_stack+0x77/0x9b [ 75.696034] ___might_sleep.cold+0xa6/0xb6 [ 75.700617] exit_signals+0x1c/0x2e0 [ 75.704609] do_exit+0xd5/0xb00 [ 75.708118] ? ksys_write+0x68/0xf0 [ 75.712019] rewind_stack_do_exit+0x17/0x20 [ 75.716691] RIP: 0033:0x7f856c4c18f3 [ 75.720690] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.741672] RSP: 002b:00007ffe7ce5c268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.750121] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f856c4c18f3 [ 75.758087] RDX: 000000000000000a RSI: 00007f856c3b4000 RDI: 0000000000000001 [ 75.766059] RBP: 00007f856c3b4000 R08: 00007f856c3b3010 R09: 0000000000000000 [ 75.774026] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 75.781990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 75.294024] lkdtm: Performing direct entry EXEC_DATA # [ 75.299610] lkdtm: attempting ok execution at ffffffff9d0e0340 # [ 75.306168] lkdtm: attempting bad execution at ffffffff9fa0c660 # [ 75.312837] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.321204] BUG: unable to handle page fault for address: ffffffff9fa0c660 # [ 75.328887] #PF: supervisor instruction fetch in kernel mode # [ 75.335212] #PF: error_code(0x0011) - permissions violation # [ 75.341433] PGD 65229067 P4D 65229067 PUD 6522a063 PMD 80000000668000e3 # [ 75.348933] Oops: 0011 [#5] SMP PTI # [ 75.352827] CPU: 2 PID: 1634 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 75.361476] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.368099] RIP: 0010:data_area+0x0/0x40 # [ 75.372484] Code: ff ff 00 52 73 02 29 93 ff ff 00 51 73 02 29 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 75.393458] RSP: 0018:ffffa7e801f97e48 EFLAGS: 00010246 # [ 75.399297] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.407267] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ 75.415242] RBP: ffffffff9fa0c660 R08: 0000000000000000 R09: 0000000000000000 # [ 75.423216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 75.431190] R13: ffffa7e801f97f10 R14: ffffa7e801f97f10 R15: ffff932904c55000 # [ 75.439164] FS: 00007f856c5ab580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 75.448200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.454617] CR2: ffffffff9fa0c660 CR3: 0000000101326000 CR4: 00000000003506e0 # [ 75.462585] Call Trace: # [ 75.465326] ? execute_location+0x48/0x56 # [ 75.469808] ? direct_entry.cold+0x2c/0x38 # [ 75.474386] ? full_proxy_write+0x56/0x80 # [ 75.478872] ? vfs_write+0xea/0x3a0 # [ 75.482770] ? ksys_write+0x68/0xf0 # [ 75.486662] ? do_syscall_64+0x33/0x40 # [ 75.490851] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.496691] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.512646] CR2: ffffffff9fa0c660 # [ 75.516349] ---[ end trace 94529e6dc4b0e475 ]--- # [ 75.521503] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.525881] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f>[ 76.094412] lkdtm: Performing direct entry EXEC_STACK [ 76.104043] lkdtm: attempting ok execution at ffffffff9d0e0340 [ 76.110596] lkdtm: attempting bad execution at ffffa7e80200fe18 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 76.117241] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.131783] BUG: unable to handle page fault for address: ffffa7e80200fe18 [ 76.139461] #PF: supervisor instruction fetch in kernel mode [ 76.145776] #PF: error_code(0x0011) - permissions violation [ 76.151997] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1064df067 PTE 800000010344b063 # [ 75.546825] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 #[ 76.161048] Oops: 0011 [#6] SMP PTI [ 75.552666] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX:[ 76.171157] CPU: 2 PID: 1670 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 76.186018] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000000000000 # [ 75.560634] RDX: 0000000000000000 RSI: f[ 76.192634] RIP: 0010:0xffffa7e80200fe18 [ 76.203223] Code: 00 00 18 fe 00 02 e8 a7 ff ff 02 06 74 9d ff ff ff ff 20 00 00 00 00 00 00 00 76 3a 18 9e ff ff ff ff 2e 07 74 9d 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 [ 76.224195] RSP: 0018:ffffa7e80200fdf8 EFLAGS: 00010246 [ 76.230037] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.238012] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 76.245985] RBP: ffffa7e80200fe18 R08: 0000000000000000 R09: 0000000000000000 [ 76.253959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 76.261932] R13: ffffa7e80200ff10 R14: ffffa7e80200ff10 R15: ffff9329032bd000 [ 76.269905] FS: 00007efd58fb5580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 76.278945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.285357] CR2: ffffa7e80200fe18 CR3: 00000001034e6000 CR4: 00000000003506e0 [ 76.293322] Call Trace: [ 76.296066] ? execute_location+0x48/0x56 [ 76.300549] ? lkdtm_EXEC_STACK+0x26/0x44 [ 76.305033] ? direct_entry.cold+0x2c/0x38 [ 76.309614] ? full_proxy_write+0x56/0x80 [ 76.314098] ? vfs_write+0xea/0x3a0 [ 76.317997] ? ksys_write+0x68/0xf0 [ 76.321897] ? do_syscall_64+0x33/0x40 [ 76.326085] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 fff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 75.568604] RBP: fff[ 76.331925] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.354092] CR2: ffffa7e80200fe18 [ 76.357789] ---[ end trace 94529e6dc4b0e476 ]--- [ 76.362953] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.367332] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 76.388311] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 76.394148] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.402121] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 76.410091] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 76.418062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.426037] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 76.434011] FS: 00007efd58fb5580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 76.443051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.449471] CR2: ffffa7e80200fe18 CR3: 00000001034e6000 CR4: 00000000003506e0 fffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 75.576573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.584542] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 75.592509] FS: 00007f856c5ab580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 75.601533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.607949] CR2: ffffffff9fa0c660 CR3: 0000000101326000 CR4: 00000000003506e0 # [ 75.615918] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.625824] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1634, name: cat # [ 75.634278] INFO: lockdep is turned off. # [ 75.638654] irq event stamp: 0 # [ 75.642062] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.649064] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 75.658194] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 75.667326] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.674328] CPU: 2 PID: 1634 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 75.682970] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.689584] Call Trace: # [ 75.692324] dump_stack+0x77/0x9b # [ 75.696034] ___might_sleep.cold+0xa6/0xb6 # [ 75.700617] exit_signals+0x1c/0x2e0 # [ 75.704609] do_exit+0xd5/0xb00 # [ 75.708118] ? ksys_write+0x68/0xf0 # [ 75.712019] rewind_stack_do_exit+0x17/0x20 # [ 75.716691] RIP: 0033:0x7f856c4c18f3 # [ 75.720690] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.741672] RSP: 002b:00007ffe7ce5c268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.750121] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f856c4c18f3 # [ 75.758087] RDX: 000000000000000a RSI: 00007f856c3b4000 RDI: 0000000000000001 # [ 75.766059] RBP: 00007f856c3b4000 R08: 00007f856c3b3010 R09: 0000000000000000 # [ 75.774026] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.781990] 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 # [ 76.094412] lkdtm: Performing direct entry EXEC_STACK # [ 76.104043] lkdtm: attempting ok execution at ffffffff9d0e0340 # [ 76.110596] lkdtm: attempting bad execution at ffffa7e802[ 76.707946] lkdtm: Performing direct entry EXEC_KMALLOC 00fe18 # [ 76.117241] kernel tried to execute NX-protected pa[ 76.718141] lkdtm: attempting ok execution at ffffffff9d0e0340 ge - exploit attempt? (uid: 0) # [ 76.131783] BUG: unable to [ 76.730912] lkdtm: attempting bad execution at ffff9329029ac480 handle page fault for address: ffffa7e80200fe18 # [ 76.139461[ 76.743775] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.758318] BUG: unable to handle page fault for address: ffff9329029ac480 [ 76.766002] #PF: supervisor instruction fetch in kernel mode ] #PF: supervisor instruction fetch in kernel mode # [ 76.145[ 76.772323] #PF: error_code(0x0011) - permissions violation 776] #PF: error_code(0x0011) - permissions violation # [ 76.1[ 76.784757] PGD 66a01067 P4D 66a01067 PUD 100860063 PMD 104c1a063 PTE 80000001029ac063 [ 76.799829] Oops: 0011 [#7] SMP PTI [ 76.803729] CPU: 0 PID: 1706 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 76.812383] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.819001] RIP: 0010:0xffff9329029ac480 [ 76.823386] Code: 00 00 02 00 00 00 00 00 00 00 00 c5 9a 02 29 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 90 9c 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 [ 76.844375] RSP: 0018:ffffa7e802087e38 EFLAGS: 00010246 [ 76.850215] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.858188] RDX: 0000000000000000 RSI: ffff93297bc1bf70 RDI: ffff93297bc1bf70 [ 76.866163] RBP: ffff9329029ac480 R08: 0000000000000000 R09: 0000000000000000 [ 76.874130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.882098] R13: ffffa7e802087f10 R14: ffffa7e802087f10 R15: ffff932904c02000 [ 76.890071] FS: 00007f7aaa489580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 76.899113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.905532] CR2: ffff9329029ac480 CR3: 000000010396a000 CR4: 00000000003506f0 [ 76.913504] Call Trace: [ 76.916249] ? execute_location+0x48/0x56 [ 76.920738] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 76.925412] ? direct_entry.cold+0x2c/0x38 51997] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1064df067 P[ 76.929993] ? full_proxy_write+0x56/0x80 [ 76.940680] ? vfs_write+0xea/0x3a0 [ 76.944579] ? ksys_write+0x68/0xf0 [ 76.948480] ? do_syscall_64+0x33/0x40 [ 76.952673] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 TE 800000010344b063 # [ 76.161048] Oops: 0011 [#6] SMP PTI #[ 76.958524] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.980687] CR2: ffff9329029ac480 [ 76.984391] ---[ end trace 94529e6dc4b0e477 ]--- [ 76.989544] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.993918] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 77.014899] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 77.020737] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.028711] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 77.036682] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 77.044655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.052627] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 77.060599] FS: 00007f7aaa489580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 77.069642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.076060] CR2: ffff9329029ac480 CR3: 000000010396a000 CR4: 00000000003506f0 [ 77.084035] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 77.093949] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1706, name: cat [ 77.102404] INFO: lockdep is turned off. [ 77.106780] irq event stamp: 0 [ 77.110190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.117188] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 77.126313] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 77.135441] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.142445] CPU: 0 PID: 1706 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 77.151088] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.157700] Call Trace: [ 77.160438] dump_stack+0x77/0x9b [ 77.164146] ___might_sleep.cold+0xa6/0xb6 [ 77.168728] exit_signals+0x1c/0x2e0 [ 77.172722] do_exit+0xd5/0xb00 [ 77.176223] ? ksys_write+0x68/0xf0 [ 77.180125] rewind_stack_do_exit+0x17/0x20 [ 77.184799] RIP: 0033:0x7f7aaa39f8f3 [ 76.171157] CPU: 2 PID: 1670 Comm: cat Tainted: G D W [ 77.188796] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.215986] RSP: 002b:00007fff6b5f3058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.224449] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f7aaa39f8f3 [ 77.232423] RDX: 000000000000000d RSI: 00007f7aaa292000 RDI: 0000000000000001 [ 77.240398] RBP: 00007f7aaa292000 R08: 00007f7aaa291010 R09: 0000000000000000 [ 77.248368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 77.256342] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.10.154-cip19 #1 # [ 76.186018] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.192634] RIP: 0010:0xffffa7e80200fe18 # [ 76.203223] Code: 00 00 18 fe 00 02 e8 a7 ff ff 02 06 74 9d ff ff ff ff 20 00 00 00 00 00 00 00 76 3a 18 9e ff ff ff ff 2e 07 74 9d 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 # [ 76.224195] RSP: 0018:ffffa7e80200fdf8 EFLAGS: 00010246 # [ 76.230037] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.238012] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ 76.245985] RBP: ffffa7e80200fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 76.253959] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 76.261932] R13: ffffa7e80200ff10 R14: ffffa7e80200ff10 R15: ffff9329032bd000 # [ 76.269905] FS: 00007efd58fb5580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 76.278945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.285357] CR2: ffffa7e80200fe18 CR3: 00000001034e6000 CR4: 00000000003506e0 # [ 76.293322] Call Trace: # [ 76.296066] ? execute_location+0x48/0x56 # [ 76.300549] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 76.305033] ? direct_entry.cold+0x2c/0x38 # [ 76.309614] ? full_proxy_write+0x56/0x80 # [ 76.314098] ? vfs_write+0xea/0x3a0 # [ 76.317997] ? ksys_write+0x68/0xf0 # [ 76.321897] ? do_syscall_64+0x33/0x40 # [ 76.326085] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.331925] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.354092] CR2: ffffa7e80200fe18 # [ 76.357789] ---[ end trace 94529e6dc4b0e476 ]--- # [ 76.362953] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.367332] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 76.388311] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 76.394148] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.402121] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 76.410091] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 76.418062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.426037] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 76.434011] FS: 00007efd58fb5580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 76.443051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.449471] CR2: ffffa7e80200fe18 CR3: 00000001034e6000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 76.707946] lkdtm: Performing direct entry EXEC_KMALLOC # [ 76.718141] lkdtm: attempting ok execution at ffffffff9d0e0[ 77.551464] lkdtm: Performing direct entry EXEC_VMALLOC 340 # [ 76.730912] lkdtm: attempting bad execution at ffff932[ 77.562330] lkdtm: attempting ok execution at ffffffff9d0e0340 9029ac480 # [ 76.743775] kernel tried to execute NX-protected[ 77.575087] lkdtm: attempting bad execution at ffffa7e80065d000 page - exploit attempt? (uid: 0) # [ 76.758318] BUG: unable [ 77.587956] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.602499] BUG: unable to handle page fault for address: ffffa7e80065d000 [ 77.610183] #PF: supervisor instruction fetch in kernel mode [ 77.616504] #PF: error_code(0x0011) - permissions violation [ 77.622733] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104f96067 PTE 8000000104c3f063 [ 77.631797] Oops: 0011 [#8] SMP PTI [ 77.635697] CPU: 0 PID: 1742 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 77.644353] Hardware name: Google Coral/Coral, BIOS 09/29/2020 to handle page fault for address: ffff9329029ac480 # [ 76.766[ 77.650973] RIP: 0010:0xffffa7e80065d000 [ 77.661568] Code: Unable to access opcode bytes at RIP 0xffffa7e80065cfd6. [ 77.669253] RSP: 0018:ffffa7e802137e38 EFLAGS: 00010246 [ 77.675095] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.683068] RDX: 0000000000000000 RSI: ffff93297bc1bf70 RDI: ffff93297bc1bf70 [ 77.691040] RBP: ffffa7e80065d000 R08: 0000000000000000 R09: 0000000000000000 [ 77.699013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 77.706985] R13: ffffa7e802137f10 R14: ffffa7e802137f10 R15: ffff932904c3f000 [ 77.714962] FS: 00007f0a3a9b4580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 77.724003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.730424] CR2: ffffa7e80065cfd6 CR3: 0000000104e96000 CR4: 00000000003506f0 [ 77.738397] Call Trace: [ 77.741144] ? execute_location+0x48/0x56 [ 77.745633] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 77.750310] ? direct_entry.cold+0x2c/0x38 [ 77.754882] ? full_proxy_write+0x56/0x80 [ 77.759368] ? vfs_write+0xea/0x3a0 [ 77.763266] ? ksys_write+0x68/0xf0 [ 77.767168] ? do_syscall_64+0x33/0x40 [ 77.771361] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 002] #PF: supervisor instruction fetch in kernel mode # [ 76.[ 77.777211] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.799390] CR2: ffffa7e80065d000 [ 77.803096] ---[ end trace 94529e6dc4b0e478 ]--- [ 77.808259] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.812634] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 77.833618] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 77.839458] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.847432] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 77.855408] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 77.863383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.871357] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 77.879327] FS: 00007f0a3a9b4580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 77.888365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.894782] CR2: ffffa7e80065cfd6 CR3: 0000000104e96000 CR4: 00000000003506f0 772323] #PF: error_code(0x0011) - permissions violation # [ 76.784757] PGD 66a01067 P4D 66a01067 PUD 100860063 PMD 104c1a063 PTE 80000001029ac063 # [ 76.799829] Oops: 0011 [#7] SMP PTI # [ 76.803729] CPU: 0 PID: 1706 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 76.812383] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.819001] RIP: 0010:0xffff9329029ac480 # [ 76.823386] Code: 00 00 02 00 00 00 00 00 00 00 00 c5 9a 02 29 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 90 9c 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 # [ 76.844375] RSP: 0018:ffffa7e802087e38 EFLAGS: 00010246 # [ 76.850215] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.858188] RDX: 0000000000000000 RSI: ffff93297bc1bf70 RDI: ffff93297bc1bf70 # [ 76.866163] RBP: ffff9329029ac480 R08: 0000000000000000 R09: 0000000000000000 # [ 76.874130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.882098] R13: ffffa7e802087f10 R14: ffffa7e802087f10 R15: ffff932904c02000 # [ 76.890071] FS: 00007f7aaa489580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 # [ 76.899113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.905532] CR2: ffff9329029ac480 CR3: 000000010396a000 CR4: 00000000003506f0 # [ 76.913504] Call Trace: # [ 76.916249] ? execute_location+0x48/0x56 # [ 76.920738] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 76.925412] ? direct_entry.cold+0x2c/0x38 # [ 76.929993] ? full_proxy_write+0x56/0x80 # [ 76.940680] ? vfs_write+0xea/0x3a0 # [ 76.944579] ? ksys_write+0x68/0xf0 # [ 76.948480] ? do_syscall_64+0x33/0x40 # [ 76.952673] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.958524] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.980687] CR2: ffff9329029ac480 # [ 76.984391] ---[ end trace 94529e6dc4b0e477 ]--- # [ 76.989544] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.993918] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 77.014899] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 77.020737] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.028711] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 77.036682] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 77.044655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 #[ 78.163093] lkdtm: Performing direct entry EXEC_RODATA [ 78.169574] lkdtm: attempting ok execution at ffffffff9d0e0340 [ 78.176118] lkdtm: attempting bad execution at ffffffff9dd9c220 [ 78.182778] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 78.191140] BUG: unable to handle page fault for address: ffffffff9dd9c220 [ 77.052627] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15:[ 78.198823] #PF: supervisor instruction fetch in kernel mode [ 78.211352] #PF: error_code(0x0011) - permissions violation [ 78.217578] PGD 65229067 P4D 65229067 PUD 6522a063 PMD 8000000064a001e1 [ 78.225072] Oops: 0011 [#9] SMP PTI [ 78.228972] CPU: 2 PID: 1778 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 78.237615] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.244240] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 78.249984] Code: ff ff 9e 1b 74 9d ff ff ff ff c2 3c 18 9e ff ff ff ff e4 02 74 9d 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 [ 78.270956] RSP: 0018:ffffa7e8021afe48 EFLAGS: 00010246 [ 78.276797] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.284767] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 78.292737] RBP: ffffffff9dd9c220 R08: 0000000000000000 R09: 0000000000000000 [ 78.300704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 78.308675] R13: ffffa7e8021aff10 R14: ffffa7e8021aff10 R15: ffff932905f69000 [ 78.316647] FS: 00007fe73e239580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 78.325688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.332109] CR2: ffffffff9dd9c220 CR3: 0000000104dc4000 CR4: 00000000003506e0 [ 78.340085] Call Trace: [ 78.342827] ? execute_location+0x48/0x56 [ 78.347306] ? direct_entry.cold+0x2c/0x38 [ 78.351877] ? full_proxy_write+0x56/0x80 [ 78.356361] ? vfs_write+0xea/0x3a0 [ 78.360261] ? ksys_write+0x68/0xf0 [ 78.364160] ? do_syscall_64+0x33/0x40 [ 78.368353] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.374202] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.390172] CR2: ffffffff9dd9c220 [ 78.393877] ---[ end trace 94529e6dc4b0e479 ]--- [ 78.399042] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.403423] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 78.424412] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 78.430248] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.438211] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 78.446180] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 78.454152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.462124] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 78.470099] FS: 00007fe73e239580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 78.479141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.485561] CR2: ffffffff9dd9c220 CR3: 0000000104dc4000 CR4: 00000000003506e0 [ 78.493537] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.503455] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1778, name: cat [ 78.511916] INFO: lockdep is turned off. [ 78.516294] irq event stamp: 0 [ 78.519710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.526715] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 78.535852] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 78.544989] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.551992] CPU: 2 PID: 1778 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 78.560643] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.567254] Call Trace: [ 78.569996] dump_stack+0x77/0x9b [ 78.573702] ___might_sleep.cold+0xa6/0xb6 [ 78.578282] exit_signals+0x1c/0x2e0 [ 78.582276] do_exit+0xd5/0xb00 [ 78.585785] ? ksys_write+0x68/0xf0 [ 78.589687] rewind_stack_do_exit+0x17/0x20 [ 78.594361] RIP: 0033:0x7fe73e14f8f3 [ 78.598356] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.619340] RSP: 002b:00007ffcfbd0d178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.627803] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe73e14f8f3 [ 78.635777] RDX: 000000000000000c RSI: 00007fe73e042000 RDI: 0000000000000001 [ 78.643751] RBP: 00007fe73e042000 R08: 00007fe73e041010 R09: 0000000000000000 [ 78.651728] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.659696] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffff932905ebf000 # [ 77.060599] FS: 00007f7aaa489580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 # [ 77.069642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.076060] CR2: ffff9329029ac480 CR3: 000000010396a000 CR4: 00000000003506f0 # [ 77.084035] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 77.093949] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1706, name: cat # [ 77.102404] INFO: lockdep is turned off. # [ 77.106780] irq event stamp: 0 # [ 77.110190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.117188] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 77.126313] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 77.135441] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.142445] CPU: 0 PID: 1706 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 77.151088] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.157700] Call Trace: # [ 77.160438] dump_stack+0x77/0x9b # [ 77.164146] ___might_sleep.cold+0xa6/0xb6 # [ 77.168728] exit_signals+0x1c/0x2e0 # [ 77.172722] do_exit+0xd5/0xb00 # [ 77.176223] ? ksys_write+0x68/0xf0 # [ 77.180125] rewind_stack_do_exit+0x17/0x20 # [ 77.184799] RIP: 0033:0x7f7aaa39f8f3 # [ 77.188796] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.215986] RSP: 002b:00007fff6b5f3058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.224449] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f7aaa39f8f3 # [ 77.232423] RDX: 000000000000000d RSI: 00007f7aaa292000 RDI: 0000000000000001 # [ 77.240398] RBP: 00007f7aaa292000 R08: 00007f7aaa291010 R09: 0000000000000000 # [ 77.248368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.256342] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 77.551464] lkdtm: Performing direct entry EXEC_VMALLOC # [ 77.562330] lkdtm: attempting ok execution at ffffffff9d0e0340 # [ 77.575087] lkdtm: attempting bad execution at ffffa7e80065d000 # [ 77.587956] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.602499] BUG: unable to handle page fault for address: ffffa7e80065d000 # [ 77.610183] #PF: supervisor instruction fetch in kernel mode # [ 77.616504] #PF: error_code(0x0011) - permissions violation # [ 77.622733] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104f96067 PTE 8000000104c3f063 # [ 77.631797] Oops: 0011 [#8] SMP PTI # [ 77.635697] CPU: 0 PID: 1742 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 77.644353] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.650973] RIP: 0010:0xffffa7e80065d000 # [ 77.661568] Code: Unable to access opcode bytes at RIP 0xffffa7e80065cfd6. # [ 77.669253] RSP: 0018:ffffa7e802137e38 EFLAGS: 00010246 # [ 77.675095] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.683068] RDX[ 78.989238] lkdtm: Performing direct entry EXEC_USERSPACE : 0000000000000000 RSI: ffff93297bc1bf70 RDI: ffff93297bc1bf70 [ 78.997019] lkdtm: attempting ok execution at ffffffff9d0e0340 [ 79.009804] lkdtm: attempting bad execution at 00007f80c5c2d000 # [ 77.691040] RBP: ffffa7e80065d000 R08: 0000000000000000 R09[ 79.016470] unable to execute userspace code (SMEP?) (uid: 0) [ 79.029075] BUG: unable to handle page fault for address: 00007f80c5c2d000 [ 79.036758] #PF: supervisor instruction fetch in kernel mode [ 79.043082] #PF: error_code(0x0011) - permissions violation [ 79.049305] PGD 800000010331d067 P4D 800000010331d067 PUD 103215067 PMD 103634067 PTE 115439067 [ 79.059044] Oops: 0011 [#10] SMP PTI [ 79.063040] CPU: 2 PID: 1814 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 79.071683] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.078304] RIP: 0010:0x7f80c5c2d000 [ 79.082298] Code: Unable to access opcode bytes at RIP 0x7f80c5c2cfd6. [ 79.089589] RSP: 0018:ffffa7e80223fe50 EFLAGS: 00010246 [ 79.095433] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 79.103406] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 79.111381] RBP: 00007f80c5c2d000 R08: 0000000000000000 R09: 0000000000000000 [ 79.119356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 79.127327] R13: ffffa7e80223ff10 R14: ffffa7e80223ff10 R15: ffff932903761000 [ 79.135303] FS: 00007f80c5bfe580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 79.144344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.150762] CR2: 00007f80c5c2d000 CR3: 0000000102a6c000 CR4: 00000000003506e0 [ 79.158735] Call Trace: : [0000000000000000 # [ 77.699013] R10: 00000000ffffe000 R11: 79.161479] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 79.173048] ? direct_entry.cold+0x2c/0x38 [ 79.177631] ? full_proxy_write+0x56/0x80 [ 79.182116] ? vfs_write+0xea/0x3a0 [ 79.186016] ? ksys_write+0x68/0xf0 [ 79.189919] ? do_syscall_64+0x33/0x40 [ 79.194109] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.199948] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.215914] CR2: 00007f80c5c2d000 [ 79.219620] ---[ end trace 94529e6dc4b0e47a ]--- [ 79.224783] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.229168] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 79.250153] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 79.255995] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.263969] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 79.271943] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 79.279917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.287890] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 79.295865] FS: 00007f80c5bfe580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 79.304907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.311327] CR2: 00007f80c5c2d000 CR3: 0000000102a6c000 CR4: 00000000003506e0 3fffffffffffffff R12: 000000000000000d # [ 77.706985] R13: ffffa7e802137f10 R14: ffffa7e802137f10 R15: ffff932904c3f000 # [ 77.714962] FS: 00007f0a3a9b4580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 # [ 77.724003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.730424] CR2: ffffa7e80065cfd6 CR3: 0000000104e96000 CR4: 00000000003506f0 # [ 77.738397] Call Trace: # [ 77.741144] ? execute_location+0x48/0x56 # [ 77.745633] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 77.750310] ? direct_entry.cold+0x2c/0x38 # [ 77.754882] ? full_proxy_write+0x56/0x80 # [ 77.759368] ? vfs_write+0xea/0x3a0 # [ 77.763266] ? ksys_write+0x68/0xf0 # [ 77.767168] ? do_syscall_64+0x33/0x40 # [ 77.771361] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.777211] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.799390] CR2: ffffa7e80065d000 # [ 77.803096] ---[ end trace 94529e6dc4b0e478 ]--- # [ 77.808259] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.812634] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 77.833618] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 77.839458] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.847432] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 77.855408] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 77.863383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.871357] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 77.879327] FS: 00007f0a3a9b4580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 # [ 77.888365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.894782] CR2: ffffa7e80065cfd6 CR3: 0000000104e96000 CR4: 00000000003506f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 78.163093] lkdtm: Performing direct entry EXEC_RODATA # [ 78.169574] lkdtm: attempting ok execution at ffffffff9d0e0340 # [ 78.176118] lkdtm: attempting bad execution at ffffffff9dd9c220 # [ 78.182778] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 78.191140] BUG: unable to handle page fault for address: ffffffff9dd9c220 # [ 78.198823] #PF: supervisor instruction fetch in kernel mode # [ 78.211352] #PF: error_code(0x0011) - permissions violation # [ 78.217578] PGD 65229067 P4D 65229067 PUD 6522a063 PMD 8000000064a001e1 # [ 78.225072] Oops: 0011 [#9] SMP PTI # [ 78.228972] CPU: 2 PID: 1778 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 78.237615] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.244240] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0[ 79.609163] lkdtm: Performing direct entry EXEC_NULL [ 79.617144] lkdtm: attempting ok execution at ffffffff9d0e0340 [ 79.623727] lkdtm: attempting bad execution at 0000000000000000 [ 79.630385] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 79.638172] #PF: supervisor instruction fetch in kernel mode [ 79.644498] #PF: error_code(0x0010) - not-present page [ 79.650241] PGD 0 P4D 0 [ 79.653080] Oops: 0010 [#11] SMP PTI [ 79.657078] CPU: 2 PID: 1850 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 79.665732] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.672352] RIP: 0010:0x0 [ 79.675286] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 79.682968] RSP: 0018:ffffa7e8022c7e48 EFLAGS: 00010246 [ 79.688808] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.696781] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 79.704755] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 79.712730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 79.720702] R13: ffffa7e8022c7f10 R14: ffffa7e8022c7f10 R15: ffff9329037f1000 [ 79.728676] FS: 00007ff786557580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 79.737719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.744138] CR2: ffffffffffffffd6 CR3: 0000000102a6c000 CR4: 00000000003506e0 [ 79.752111] Call Trace: [ 79.754855] execute_location+0x48/0x56 [ 79.759149] direct_entry.cold+0x2c/0x38 [ 79.763538] full_proxy_write+0x56/0x80 [ 79.767829] vfs_write+0xea/0x3a0 [ 79.771537] ksys_write+0x68/0xf0 [ 79.775243] do_syscall_64+0x33/0x40 [ 79.779240] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.784879] RIP: 0033:0x7ff78646d8f3 [ 79.788878] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.809861] RSP: 002b:00007fff58cdf758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.818326] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff78646d8f3 [ 79.826300] RDX: 000000000000000a RSI: 00007ff786360000 RDI: 0000000000000001 [ 79.834273] RBP: 00007ff786360000 R08: 00007ff78635f010 R09: 0000000000000000 [ 79.842247] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 79.850220] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.858203] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.874171] CR2: 0000000000000000 [ 79.877877] ---[ end trace 94529e6dc4b0e47b ]--- [ 79.883043] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.887426] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 79.908412] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 79.914245] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.922221] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 79.930193] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 79.938168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.946142] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 79.954117] FS: 00007ff786557580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 79.963159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.969579] CR2: ffffffffffffffd6 CR3: 0000000102a6c000 CR4: 00000000003506e0 [ 79.977555] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.987471] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1850, name: cat [ 79.995923] INFO: lockdep is turned off. [ 80.000302] irq event stamp: 0 [ 80.003716] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 80.010722] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 80.019856] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 80.028996] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.036002] CPU: 2 PID: 1850 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 80.044655] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.051268] Call Trace: [ 80.054009] dump_stack+0x77/0x9b [ 80.057716] ___might_sleep.cold+0xa6/0xb6 [ 80.062298] exit_signals+0x1c/0x2e0 [ 80.066292] do_exit+0xd5/0xb00 [ 80.069801] ? ksys_write+0x68/0xf0 [ 80.073704] rewind_stack_do_exit+0x17/0x20 [ 80.078373] RIP: 0033:0x7ff78646d8f3 [ 80.082364] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.103340] RSP: 002b:00007fff58cdf758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.111788] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff78646d8f3 [ 80.119758] RDX: 000000000000000a RSI: 00007ff786360000 RDI: 0000000000000001 [ 80.127732] RBP: 00007ff786360000 R08: 00007ff78635f010 R09: 0000000000000000 [ 80.135705] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.143677] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x10 # [ 78.249984] Code: ff ff 9e 1b 74 9d ff ff ff ff c2 3c 18 9e ff ff ff ff e4 02 74 9d 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 # [ 78.270956] RSP: 0018:ffffa7e8021afe48 EFLAGS: 00010246 # [ 78.276797] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 78.284767] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ 78.292737] RBP: ffffffff9dd9c220 R08: 0000000000000000 R09: 0000000000000000 # [ 78.300704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 78.308675] R13: ffffa7e8021aff10 R14: ffffa7e8021aff10 R15: ffff932905f69000 # [ 78.316647] FS: 00007fe73e239580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 78.325688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.332109] CR2: ffffffff9dd9c220 CR3: 0000000104dc4000 CR4: 00000000003506e0 # [ 78.340085] Call Trace: # [ 78.342827] ? execute_location+0x48/0x56 # [ 78.347306] ? direct_entry.cold+0x2c/0x38 # [ 78.351877] ? full_proxy_write+0x56/0x80 # [ 78.356361] ? vfs_write+0xea/0x3a0 # [ 78.360261] ? ksys_write+0x68/0xf0 # [ 78.364160] ? do_syscall_64+0x33/0x40 # [ 78.368353] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.374202] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.390172] CR2: ffffffff9dd9c220 # [ 78.393877] ---[ end trace 94529e6dc4b0e479 ]--- # [ 78.399042] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.403423] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 78.424412] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 78.430248] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.438211] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 78.446180] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 78.454152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.462124] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 78.470099] FS: 00007fe73e239580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 78.479141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.485561] CR2: ffffffff9dd9c220 CR3: 0000000104dc4000 CR4: 00000000003506e0 # [ 78.493537] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.503455] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1778, name: cat # [ 78.511916] INFO: lockdep is turned off. # [ 78.516294] irq event stamp: 0 # [ 78.519710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.526715] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 78.535852] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 78.544989] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.551992] CPU: 2 PID: 1778 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 78.560643] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.567254] Call Trace: # [ 78.569996] dump_stack+0x77/0x9b # [ 78.573702] ___might_sleep.cold+0xa6/0xb6 # [ 78.578282] exit_signals+0x1c/0x2e0 # [ 78.582276] do_exit+0xd5/0xb00 # [ 78.585785] ? ksys_write+0x[ 80.495391] lkdtm: Performing direct entry ACCESS_USERSPACE 68/0xf0 # [ 78.589687] rewind_stack_do_exit+0x17/0x20 # [ [ 80.506210] lkdtm: attempting bad read at 00007fc2d62cc000 78.594361] RIP: 0033:0x7fe73e14f8f3 # [ 78.598356] Code: 8b [ 80.518565] BUG: unable to handle page fault for address: 00007fc2d62cc000 [ 80.532412] #PF: supervisor read access in kernel mode [ 80.538150] #PF: error_code(0x0001) - permissions violation [ 80.544373] PGD 8000000104e5c067 P4D 8000000104e5c067 PUD 102a7c067 PMD 1034b5067 PTE 115460067 [ 80.554109] Oops: 0001 [#12] SMP PTI [ 80.558106] CPU: 3 PID: 1885 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 80.566749] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.573376] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 80.579607] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e0 49 18 9e e8 64 99 fd ff 48 c7 c7 08 4a 18 9e b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 30 4a 18 [ 80.600591] RSP: 0018:ffffa7e802367e48 EFLAGS: 00010246 [ 80.606432] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 80.614406] RDX: 0000000000000000 RSI: ffff93297bd9bf70 RDI: ffffffff9e184a08 [ 80.622379] RBP: 00007fc2d62cc000 R08: 0000000000000000 R09: 0000000000000000 [ 80.630356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 80.638329] R13: ffffa7e802367f10 R14: ffffa7e802367f10 R15: ffff9329037cb000 [ 80.646305] FS: 00007fc2d629d580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 [ 80.655344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.661764] CR2: 00007fc2d62cc000 CR3: 0000000104252000 CR4: 00000000003506e0 [ 80.669737] Call Trace: [ 80.672480] direct_entry.cold+0x2c/0x38 [ 80.676869] full_proxy_write+0x56/0x80 [ 80.681159] vfs_write+0xea/0x3a0 [ 80.684866] ksys_write+0x68/0xf0 [ 80.688574] do_syscall_64+0x33/0x40 [ 80.692573] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 80.698220] RIP: 0033:0x7fc2d61b38f3 [ 80.702206] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.723189] RSP: 002b:00007ffcc7a814b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.731651] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc2d61b38f3 [ 80.739626] RDX: 0000000000000011 RSI: 00007fc2d60a6000 RDI: 0000000000000001 [ 80.747598] RBP: 00007fc2d60a6000 R08: 00007fc2d60a5010 R09: 0000000000000000 [ 80.755569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.763543] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.771528] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.787498] CR2: 00007fc2d62cc000 [ 80.791205] ---[ end trace 94529e6dc4b0e47c ]--- [ 80.796369] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.800751] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 80.821736] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 80.827574] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.835547] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 80.843520] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 80.851493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.859468] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 80.867442] FS: 00007fc2d629d580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 [ 80.876485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.882904] CR2: 00007fc2d62cc000 CR3: 0000000104252000 CR4: 00000000003506e0 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.619340] RSP: 002b:00007ffcfbd0d178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.627803] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe73e14f8f3 # [ 78.635777] RDX: 000000000000000c RSI: 00007fe73e042000 RDI: 0000000000000001 # [ 78.643751] RBP: 00007fe73e042000 R08: 00007fe73e041010 R09: 0000000000000000 # [ 78.651728] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.659696] 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 # [ 78.989238] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.997019] lkdtm: attempting ok execution at ffffffff9d0e0340 # [ 79.009804] lkdtm: attempting bad execution at 00007f80c5c2d000 # [ 79.016470] unable to execute userspace code (SMEP?) (uid: 0) # [ 79.029075] BUG: unable to handle page fault for address: 00007f80c5c2d000 # [ 79.036758] #PF: supervisor instruction fetch in kernel mode # [ 79.043082] #PF: error_code(0x0011) - permissions violation # [ 79.049305] PGD 800000010331d067 P4D 800000010331d067 PUD 103215067 PMD 103634067 PTE 115439067 # [ 79.059044] Oops: 0011 [#10] SMP PTI # [ 79.063040] CPU: 2 PID: 1814 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 79.071683] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.078304] RIP: 0010:0x7f80c5c2d000 # [ 79.082298] Code: Unable to access opcode bytes at RIP 0x7f80c5c2cfd6. # [ 79.089589] RSP: 0018:ffffa7e80223fe50 EFLAGS: 00010246 # [ 79.095433] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 79.103406] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ 79.111381] RBP: 00007f80c5c2d000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.119356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 79.127327] R13: ffffa7e80223ff10 R14: ffffa7e80223ff10 R15: ffff932903761000 # [ 79.135303] FS: 00007f80c5bfe580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 79.144344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.150762] CR2: 00007f80c5c2d000 CR3: 0000000102a6c000 CR4: 00000000003506e0 # [ 79.158735] Call Trace: # [ 79.161479] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 79.173048] ? direct_entry.cold+0x2c/0x38 # [ 79.177631] ? full_proxy_write+0x56/0x80 # [ 79.182116] ? vfs_write+0xea/0x3a0 # [ 79.186016] ? ksys_write+0x68/0xf0 # [ 79.189919] ? do_syscall_64+0x33/0x40 # [ 79.194109] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.199948] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.215914] CR2: 00007f80c5c2d000 # [ 79.219620] ---[ e[ 81.187881] lkdtm: Performing direct entry ACCESS_NULL [ 81.194999] lkdtm: attempting bad read at 0000000000000000 [ 81.201186] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 81.208969] #PF: supervisor read access in kernel mode [ 81.214711] #PF: error_code(0x0000) - not-present page [ 81.220452] PGD 0 P4D 0 [ 81.223291] Oops: 0000 [#13] SMP PTI [ 81.227278] CPU: 2 PID: 1920 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 81.235922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.242546] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 81.247804] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 e7 6c 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e0 49 18 9e e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 08 4a 18 9e 48 01 [ 81.268790] RSP: 0018:ffffa7e8023dfe58 EFLAGS: 00010246 [ 81.274630] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 81.282603] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 81.290575] RBP: ffffffff9e183ad1 R08: 0000000000000000 R09: 0000000000000000 [ 81.298549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 81.306524] R13: ffffa7e8023dff10 R14: ffffa7e8023dff10 R15: ffff932905eb3000 [ 81.314501] FS: 00007f6afa0d9580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 81.323542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.329962] CR2: 0000000000000000 CR3: 0000000105eb8000 CR4: 00000000003506e0 [ 81.337935] Call Trace: [ 81.340679] direct_entry.cold+0x2c/0x38 [ 81.345067] full_proxy_write+0x56/0x80 [ 81.349359] vfs_write+0xea/0x3a0 [ 81.353067] ksys_write+0x68/0xf0 [ 81.356775] do_syscall_64+0x33/0x40 [ 81.360773] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.366421] RIP: 0033:0x7f6af9fef8f3 [ 81.370419] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.391404] RSP: 002b:00007ffe4f297728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.399857] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6af9fef8f3 [ 81.407831] RDX: 000000000000000c RSI: 00007f6af9ee2000 RDI: 0000000000000001 [ 81.415805] RBP: 00007f6af9ee2000 R08: 00007f6af9ee1010 R09: 0000000000000000 [ 81.423780] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.431756] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.439743] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.455714] CR2: 0000000000000000 [ 81.459421] ---[ end trace 94529e6dc4b0e47d ]--- [ 81.464587] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.468970] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 81.489954] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 81.495794] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.503767] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 81.511741] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 81.519715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.527688] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 81.535663] FS: 00007f6afa0d9580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 81.544706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.551126] CR2: 0000000000000000 CR3: 0000000105eb8000 CR4: 00000000003506e0 [ 81.559102] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 81.569017] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1920, name: cat [ 81.577473] INFO: lockdep is turned off. [ 81.581853] irq event stamp: 0 [ 81.585263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 81.592268] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 81.601408] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 81.610547] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.617553] CPU: 2 PID: 1920 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 81.626204] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.632816] Call Trace: [ 81.635555] dump_stack+0x77/0x9b [ 81.639263] ___might_sleep.cold+0xa6/0xb6 [ 81.643843] exit_signals+0x1c/0x2e0 [ 81.647839] do_exit+0xd5/0xb00 [ 81.651343] ? ksys_write+0x68/0xf0 [ 81.655246] rewind_stack_do_exit+0x17/0x20 [ 81.659919] RIP: 0033:0x7f6af9fef8f3 [ 81.663915] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.684902] RSP: 002b:00007ffe4f297728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.693354] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6af9fef8f3 [ 81.701331] RDX: 000000000000000c RSI: 00007f6af9ee2000 RDI: 0000000000000001 [ 81.709302] RBP: 00007f6af9ee2000 R08: 00007f6af9ee1010 R09: 0000000000000000 [ 81.717278] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.725251] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 nd trace 94529e6dc4b0e47a ]--- # [ 79.224783] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.229168] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 79.250153] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 79.255995] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.263969] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 79.271943] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 79.279917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.287890] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 79.295865] FS: 00007f80c5bfe580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 79.304907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.311327] CR2: 00007f80c5c2d000 CR3: 0000000102a6c000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 79.609163] lkdtm: Performing direct entry EXEC_NULL # [ 79.617144] lkdtm: attempting ok execution at ffffffff9d0e0340 # [ 79.623727] lkdtm: attempting bad execution at 0000000000000000 # [ 79.630385] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 79.638172] #PF: supervisor instruction fetch in kernel mode # [ 79.644498] #PF: error_code(0x0010) - not-present page # [ 79.650241] PGD 0 P4D 0 # [ 79.653080] Oops: 0010 [#11] SMP PTI # [ 79.657078] CPU: 2 PID: 1850 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 79.665732] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.672352] RIP: 0010:0x0 # [ 79.675286] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 79.682968] RSP: 0018:ffffa7e8022c7e48 EFLAGS: 00010246 # [ 79.688808] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 79.696781] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ 79.704755] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.712730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 79.720702] R13: ffffa7e8022c7f10 R14: ffffa7e8022c7f10 R15: ffff9329037f1000 # [ 79.728676] FS: 00007ff786557580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 79.737719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.744138] CR2: ffffffffffffffd6 CR3: 0000000102a6c000 CR4: 00000000003506e0 # [ 79.752111] Call Trace: # [ 79.754855] execute_location+0x48/0x56 # [ 79.759149] direct_entry.cold+0x2c/0x38 # [ 79.763538] full_proxy_write+0x56/0x80 # [ 79.767829] vfs_write+0xea/0x3a0 # [ 79.771537] ksys_write+0x68/0xf0 # [ 79.775243] do_syscall_64+0x33/0x40 # [ 79.779240] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.784879] RIP: 0033:0x7ff78646d8f3 # [ 79.788878] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.809[ 82.048215] lkdtm: Performing direct entry WRITE_RO 861] RSP: 002b:00007fff58cdf758 EFLAGS: 00000246 ORIG_RAX: 00000[ 82.055778] lkdtm: attempting bad rodata write at ffffffff9dd9c210 00000000001 # [ 79.818326] RAX: ffffffffffffffda RBX: 0000000[ 82.068962] BUG: unable to handle page fault for address: ffffffff9dd9c210 [ 82.082788] #PF: supervisor write access in kernel mode [ 82.088628] #PF: error_code(0x0003) - permissions violation [ 82.094855] PGD 65229067 P4D 65229067 PUD 6522a063 PMD 8000000064a001e1 [ 82.102361] Oops: 0003 [#14] SMP PTI [ 82.106360] CPU: 3 PID: 1955 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 82.115012] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.121638] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 82.126605] Code: 00 48 c7 c7 c0 48 18 9e 48 c7 c6 10 c2 d9 9d e8 8c 9b fd ff 48 8b 05 e1 bb 65 00 ba 34 12 cd ab 48 c7 c7 f0 48 18 9e 48 31 d0 <48> 89 05 cb bb 65 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da ec [ 82.147592] RSP: 0018:ffffa7e802467e60 EFLAGS: 00010202 [ 82.153432] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 82.161405] RDX: 00000000abcd1234 RSI: ffff93297bd9bf70 RDI: ffffffff9e1848f0 [ 82.169378] RBP: ffffffff9e183add R08: 0000000000000000 R09: 0000000000000000 [ 82.177352] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 82.185325] R13: ffffa7e802467f10 R14: ffffa7e802467f10 R15: ffff932903774000 [ 82.193299] FS: 00007f8cb3dce580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 [ 82.202344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.208763] CR2: ffffffff9dd9c210 CR3: 00000001042ca000 CR4: 00000000003506e0 [ 82.216737] Call Trace: [ 82.219478] direct_entry.cold+0x2c/0x38 [ 82.223870] full_proxy_write+0x56/0x80 [ 82.228163] vfs_write+0xea/0x3a0 [ 82.231870] ksys_write+0x68/0xf0 [ 82.235580] do_syscall_64+0x33/0x40 [ 82.239578] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.245225] RIP: 0033:0x7f8cb3ce48f3 [ 82.249220] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.270205] RSP: 002b:00007ffd58e4cf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.278669] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f8cb3ce48f3 [ 82.286642] RDX: 0000000000000009 RSI: 00007f8cb3bd7000 RDI: 0000000000000001 [ 82.294618] RBP: 00007f8cb3bd7000 R08: 00007f8cb3bd6010 R09: 0000000000000000 [ 82.302592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 82.310564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.318549] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.334521] CR2: ffffffff9dd9c210 [ 82.338226] ---[ end trace 94529e6dc4b0e47e ]--- [ 82.343387] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.347771] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 82.368759] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 82.374599] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.382572] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 82.390548] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 82.398520] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.406495] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 82.414470] FS: 00007f8cb3dce580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 [ 82.423511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.429930] CR2: ffffffff9dd9c210 CR3: 00000001042ca000 CR4: 00000000003506e0 00000000a RCX: 00007ff78646d8f3 # [ 79.826300] RDX: 000000000000000a RSI: 00007ff786360000 RDI: 0000000000000001 # [ 79.834273] RBP: 00007ff786360000 R08: 00007ff78635f010 R09: 0000000000000000 # [ 79.842247] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.850220] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.858203] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.874171] CR2: 0000000000000000 # [ 79.877877] ---[ end trace 94529e6dc4b0e47b ]--- # [ 79.883043] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.887426] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 79.908412] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 79.914245] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.922221] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 79.930193] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 79.938168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.946142] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 79.954117] FS: 00007ff786557580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 79.963159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.969579] CR2: ffffffffffffffd6 CR3: 0000000102a6c000 CR4: 00000000003506e0 # [ 79.977555] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 79.987471] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1850, name: cat # [ 79.995923] INFO: lockdep is turned off. # [ 80.000302] irq event stamp: 0 # [ 80.003716] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 80.010722] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 80.019856] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 80.028996] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 80.036002] CPU: 2 PID: 1850 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 80.044655] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.051268] Call Trace: # [ 80.054009] dump_stack+0x77/0x9b # [ 80.057716] ___might_sleep.cold+0xa6/0xb6 # [ 80.062298] exit_signals+0x1c/0x2e0 # [ 80.066292] do_exit+0xd5/0xb00 # [ 80.069801] ? ksys_write+0x68/0xf0 # [ 80.073704] rewind_stack_do_exit+0x17/0x20 # [ 80.078373] RIP: 0033:0x7ff78646d8f3 # [ 80.082364] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.103340] RSP: 002b:00007fff58cdf758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.111788] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff78646d8f3 # [ 80.119758] RDX: 000000000000000a RSI: 00007ff786360000 RDI: 0000000000000001 # [ 80.127732] RBP: 00007ff786360000 R08: 00007ff78635f010 R09: 0000000000000000 # [ 80.135705] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.143677] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 80.495391] lkdtm: Performing direct entry ACCESS_USER[ 82.789404] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 82.798684] lkdtm: attempting bad ro_after_init write at ffffffff9e1ff330 [ 82.806325] BUG: unable to handle page fault for address: ffffffff9e1ff330 [ 82.814012] #PF: supervisor write access in kernel mode [ 82.819852] #PF: error_code(0x0003) - permissions violation [ 82.826078] PGD 65229067 P4D 65229067 PUD 6522a063 PMD 8000000064e001e1 [ 82.833582] Oops: 0003 [#15] SMP PTI SPACE # [ 80.506210] lkdtm: attempting bad read at 00007fc2d6[ 82.837581] CPU: 1 PID: 1990 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 82.852437] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.859064] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 82.865099] Code: 49 18 9e e9 3e 9b fd ff 48 c7 c7 48 49 18 9e e8 32 9b fd ff 48 8b 05 a7 ec ab 00 ba 34 12 cd ab 48 c7 c7 f0 48 18 9e 48 31 d0 <48> 89 05 91 ec ab 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 82.886084] RSP: 0018:ffffa7e8024f7e60 EFLAGS: 00010202 [ 82.891926] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 82.899899] RDX: 00000000abcd1234 RSI: ffff93297bc9bf70 RDI: ffffffff9e1848f0 [ 82.907873] RBP: ffffffff9e183ae6 R08: 0000000000000000 R09: 0000000000000000 [ 82.915847] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 82.923821] R13: ffffa7e8024f7f10 R14: ffffa7e8024f7f10 R15: ffff932903912000 [ 82.931797] FS: 00007f51461be580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 [ 82.940840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.947259] CR2: ffffffff9e1ff330 CR3: 0000000102ad6000 CR4: 00000000003506e0 [ 82.955232] Call Trace: [ 82.957972] direct_entry.cold+0x2c/0x38 [ 82.962364] full_proxy_write+0x56/0x80 [ 82.966656] vfs_write+0xea/0x3a0 [ 82.970364] ksys_write+0x68/0xf0 [ 82.974072] do_syscall_64+0x33/0x40 [ 82.978070] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.983708] RIP: 0033:0x7f51460d48f3 [ 82.987697] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.008682] RSP: 002b:00007fff5c9c24a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.017145] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f51460d48f3 [ 83.025120] RDX: 0000000000000014 RSI: 00007f5145fc7000 RDI: 0000000000000001 [ 83.033093] RBP: 00007f5145fc7000 R08: 00007f5145fc6010 R09: 0000000000000000 [ 83.041068] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.049040] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.057026] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.072995] CR2: ffffffff9e1ff330 [ 83.076698] ---[ end trace 94529e6dc4b0e47f ]--- [ 83.081861] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.086245] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 83.107228] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 83.113070] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.121042] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 83.129015] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 83.136990] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.144963] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 83.152938] FS: 00007f51461be580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 [ 83.161978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.168397] CR2: ffffffff9e1ff330 CR3: 0000000102ad6000 CR4: 00000000003506e0 [ 83.176373] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 83.186291] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1990, name: cat [ 83.194749] INFO: lockdep is turned off. [ 83.199130] irq event stamp: 0 [ 83.202542] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 83.209549] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 83.218689] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 83.227827] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.234831] CPU: 1 PID: 1990 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 83.243482] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.250096] Call Trace: [ 83.252835] dump_stack+0x77/0x9b [ 83.256543] ___might_sleep.cold+0xa6/0xb6 [ 83.261123] exit_signals+0x1c/0x2e0 [ 83.265118] do_exit+0xd5/0xb00 [ 83.268630] ? ksys_write+0x68/0xf0 [ 83.272533] rewind_stack_do_exit+0x17/0x20 [ 83.277208] RIP: 0033:0x7f51460d48f3 [ 83.281203] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.302187] RSP: 002b:00007fff5c9c24a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.310648] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f51460d48f3 [ 83.318622] RDX: 0000000000000014 RSI: 00007f5145fc7000 RDI: 0000000000000001 [ 83.326596] RBP: 00007f5145fc7000 R08: 00007f5145fc6010 R09: 0000000000000000 [ 83.334570] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.342544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2cc000 # [ 80.518565] BUG: unable to handle page fault for address: 00007fc2d62cc000 # [ 80.532412] #PF: supervisor read access in kernel mode # [ 80.538150] #PF: error_code(0x0001) - permissions violation # [ 80.544373] PGD 8000000104e5c067 P4D 8000000104e5c067 PUD 102a7c067 PMD 1034b5067 PTE 115460067 # [ 80.554109] Oops: 0001 [#12] SMP PTI # [ 80.558106] CPU: 3 PID: 1885 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 80.566749] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.573376] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 80.579607] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e0 49 18 9e e8 64 99 fd ff 48 c7 c7 08 4a 18 9e b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 30 4a 18 # [ 80.600591] RSP: 0018:ffffa7e802367e48 EFLAGS: 00010246 # [ 80.606432] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 80.614406] RDX: 0000000000000000 RSI: ffff93297bd9bf70 RDI: ffffffff9e184a08 # [ 80.622379] RBP: 00007fc2d62cc000 R08: 0000000000000000 R09: 0000000000000000 # [ 80.630356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 80.638329] R13: ffffa7e802367f10 R14: ffffa7e802367f10 R15: ffff9329037cb000 # [ 80.646305] FS: 00007fc2d629d580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 80.655344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.661764] CR2: 00007fc2d62cc000 CR3: 0000000104252000 CR4: 00000000003506e0 # [ 80.669737] Call Trace: # [ 80.672480] direct_entry.cold+0x2c/0x38 # [ 80.676869] full_proxy_write+0x56/0x80 # [ 80.681159] vfs_write+0xea/0x3a0 # [ 80.684866] ksys_write+0x68/0xf0 # [ 80.688574] do_syscall_64+0x33/0x40 # [ 80.692573] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 80.698220] RIP: 0033:0x7fc2d61b38f3 # [ 80.702206] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.723189] RSP: 002b:00007ffcc7a814b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.731651] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc2d61b38f3 # [ 80.739626] RDX: 0000000000000011 RSI: 00007fc2d60a6000 RDI: 0000000000000001 # [ 80.747598] RBP: 00007fc2d60a6000 R08: 00007fc2d60a5010 R09: 0000000000000000 # [ 80.755569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.763543] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.771528] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.787498] CR2: 00007fc2d62cc000 # [ 80.791205] ---[ end trace 94529e6dc4b0e47c ]--- # [ 80.796369] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.800751] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 80.821736] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 80.827574] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.835547] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 80.843520] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 80.851493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.859468] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 80.867442] FS: 00007fc2d629d580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 80.876485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.882904] CR2: 00007fc2d62cc000 CR3: 0000000104252000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: l[ 83.731453] lkdtm: Performing direct entry WRITE_KERN [ 83.741584] lkdtm: attempting bad 6685289 byte write at ffffffff9d7405a9 [ 83.749116] BUG: unable to handle page fault for address: ffffffff9d7405a9 [ 83.756800] #PF: supervisor write access in kernel mode [ 83.762636] #PF: error_code(0x0003) - permissions violation [ 83.768861] PGD 65229067 P4D 65229067 PUD 6522a063 PMD 644001e1 [ 83.775589] Oops: 0003 [#16] SMP PTI [ 83.779576] CPU: 2 PID: 2025 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 83.788221] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.794838] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 83.799995] Code: 53 48 c7 c3 a9 05 74 9d 49 89 dc 48 89 da 49 81 ec 40 03 0e 9d 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 40 03 0e 9d a4 48 c7 c7 f0 48 18 9e e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 83.820975] RSP: 0018:ffffa7e80258fe50 EFLAGS: 00010246 [ 83.826816] RAX: 000000000000003c RBX: ffffffff9d7405a9 RCX: 0000000000660269 [ 83.834789] RDX: 0000000000000000 RSI: ffffffff9d0e0340 RDI: ffffffff9d7405a9 [ 83.842762] RBP: ffffffff9e183afa R08: 0000000000000000 R09: 0000000000000000 [ 83.850736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000660269 [ 83.858709] R13: ffffa7e80258ff10 R14: ffffa7e80258ff10 R15: ffff932905d0d000 [ 83.866684] FS: 00007f8e6240c580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 83.875726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.882146] CR2: ffffffff9d7405a9 CR3: 0000000104a7c000 CR4: 00000000003506e0 [ 83.890119] Call Trace: [ 83.892861] direct_entry.cold+0x2c/0x38 [ 83.897251] full_proxy_write+0x56/0x80 [ 83.901543] vfs_write+0xea/0x3a0 [ 83.905249] ksys_write+0x68/0xf0 [ 83.908958] do_syscall_64+0x33/0x40 [ 83.912959] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 83.918605] RIP: 0033:0x7f8e623228f3 [ 83.922602] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.943587] RSP: 002b:00007ffd5cca39f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.952049] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8e623228f3 [ 83.960022] RDX: 000000000000000b RSI: 00007f8e62215000 RDI: 0000000000000001 [ 83.967998] RBP: 00007f8e62215000 R08: 00007f8e62214010 R09: 0000000000000000 [ 83.975972] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.983947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.991933] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.007904] CR2: ffffffff9d7405a9 [ 84.011605] ---[ end trace 94529e6dc4b0e480 ]--- [ 84.016763] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 84.021144] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 84.042104] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 [ 84.047934] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 84.055903] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 [ 84.063863] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 [ 84.071823] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 84.079795] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 [ 84.087769] FS: 00007f8e6240c580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 84.096810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.103229] CR2: ffffffff9d7405a9 CR3: 0000000104a7c000 CR4: 00000000003506e0 [ 84.111205] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 84.121119] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2025, name: cat [ 84.129571] INFO: lockdep is turned off. [ 84.133946] irq event stamp: 0 [ 84.137354] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.144350] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 84.153468] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 84.162597] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.169590] CPU: 2 PID: 2025 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 84.178218] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.184819] Call Trace: [ 84.187552] dump_stack+0x77/0x9b [ 84.191252] ___might_sleep.cold+0xa6/0xb6 [ 84.195822] exit_signals+0x1c/0x2e0 [ 84.199812] do_exit+0xd5/0xb00 [ 84.203308] ? ksys_write+0x68/0xf0 [ 84.207204] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 84.212648] rewind_stack_do_exit+0x17/0x20 [ 84.217317] RIP: 0033:0x7f8e623228f3 [ 84.221308] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 84.242266] RSP: 002b:00007ffd5cca39f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.250710] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8e623228f3 [ 84.258667] RDX: 000000000000000b RSI: 00007f8e62215000 RDI: 0000000000000001 [ 84.266628] RBP: 00007f8e62215000 R08: 00007f8e62214010 R09: 0000000000000000 [ 84.274600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 84.282570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 kdtm: ACCESS_NULL.sh # Killed # [ 81.187881] lkdtm: Performing direct entry ACCESS_NULL # [ 81.194999] lkdtm: attempting bad read at 0000000000000000 # [ 81.201186] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 81.208969] #PF: supervisor read access in kernel mode # [ 81.214711] #PF: error_code(0x0000) - not-present page # [ 81.220452] PGD 0 P4D 0 # [ 81.223291] Oops: 0000 [#13] SMP PTI # [ 81.227278] CPU: 2 PID: 1920 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 81.235922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.242546] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 81.247804] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 e7 6c 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e0 49 18 9e e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 08 4a 18 9e 48 01 # [ 81.268790] RSP: 0018:ffffa7e8023dfe58 EFLAGS: 00010246 # [ 81.274630] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 81.282603] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ 81.290575] RBP: ffffffff9e183ad1 R08: 0000000000000000 R09: 0000000000000000 # [ 81.298549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 81.306524] R13: ffffa7e8023dff10 R14: ffffa7e8023dff10 R15: ffff932905eb3000 # [ 81.314501] FS: 00007f6afa0d9580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 81.323542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.329962] CR2: 0000000000000000 CR3: 0000000105eb8000 CR4: 00000000003506e0 # [ 81.337935] Call Trace: # [ 81.340679] direct_entry.cold+0x2c/0x38 # [ 81.345067] full_proxy_write+0x56/0x80 # [ 81.349359] vfs_write+0xea/0x3a0 # [ 81.353067] ksys_write+0x68/0xf0 # [ 81.356775] do_syscall_64+0x33/0x40 # [ 81.360773] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.366421] RIP: 0033:0x7f6af9fef8f3 # [ 81.370419] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.391404] RSP: 002b:00007ffe4f297728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.399857] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6af9fef8f3 # [ 81.407831] RDX: 000000000000000c RSI: 00007f6af9ee2000 RDI: 0000000000000001 # [ 81.415805] RBP: 00007f6af9ee2000 R08: 00007f6af9ee1010 R09: 0000000000000000 # [ 81.423780] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.431756] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.439743] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.455714] CR2: 0000000000000000 # [ 81.459421] ---[ end trace 94529e6dc4b0e47d ]--- # [ 81.464587] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.468970] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 81.489954] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 81.495794] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.503767] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 81.511741] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ [ 84.631789] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 84.638897] lkdtm: attempting good refcount_inc() without overflow [ 84.645842] lkdtm: attempting bad refcount_inc() overflow 81.519715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 84.651912] ------------[ cut here ]------------ 00000000000004 # [ 81.527688] R13: ffffa7e8012e7f10 R14: ffff[ 84.663262] refcount_t: saturated; leaking memory. a7e8012e7f10 R15: ffff932905ebf000 # [ 81.535663] FS: 00007f[ 84.674881] WARNING: CPU: 1 PID: 2060 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 6afa0d9580(0000) GS:ffff93297bd00000(0000) knlGS:000000000000000[ 84.690481] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.712658] CPU: 1 PID: 2060 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 84.721337] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.727978] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 84.733891] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 11 9e c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 [ 84.754934] RSP: 0018:ffffa7e8025d7e48 EFLAGS: 00010286 [ 84.760801] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 84.768794] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: ffff93297bc9bf70 [ 84.776790] RBP: ffffffff9e183b05 R08: 0000000000000000 R09: 0000000000000000 [ 84.784785] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 84.792780] R13: ffffa7e8025d7f10 R14: ffffa7e8025d7f10 R15: ffff9329026f2000 [ 84.800777] FS: 00007f6426315580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 [ 84.809840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.816273] CR2: 00007f642611e000 CR3: 0000000101236000 CR4: 00000000003506e0 [ 84.824259] Call Trace: [ 84.827025] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 84.832410] direct_entry.cold+0x2c/0x38 [ 84.836820] full_proxy_write+0x56/0x80 [ 84.841134] vfs_write+0xea/0x3a0 [ 84.844863] ksys_write+0x68/0xf0 [ 84.848596] do_syscall_64+0x33/0x40 [ 84.852618] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 84.858277] RIP: 0033:0x7f642622b8f3 [ 84.862295] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 84.883303] RSP: 002b:00007ffd167b5c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.891786] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f642622b8f3 [ 84.899781] RDX: 0000000000000016 RSI: 00007f642611e000 RDI: 0000000000000001 [ 84.907774] RBP: 00007f642611e000 R08: 00007f642611d010 R09: 0000000000000000 [ 84.915768] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 84.923763] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.931762] irq event stamp: 0 [ 84.935194] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.942225] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 84.951387] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 84.960546] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.967566] ---[ end trace 94529e6dc4b0e481 ]--- 0 # [ 81.544706] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 84.972741] lkdtm: Overflow detected: saturated 50033 # [ 81.551126] CR2: 0000000000000000 CR3: 0000000105eb8000 CR4: 00000000003506e0 # [ 81.559102] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 81.569017] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1920, name: cat # [ 81.577473] INFO: lockdep is turned off. # [ 81.581853] irq event stamp: 0 # [ 81.585263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 81.592268] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 81.601408] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 81.610547] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 81.617553] CPU: 2 PID: 1920 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 81.626204] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.632816] Call Trace: # [ 81.635555] dump_stack+0x77/0x9b # [ 81.639263] ___might_sleep.cold+0xa6/0xb6 # [ 81.643843] exit_signals+0x1c/0x2e0 # [ 81.647839] do_exit+0xd5/0xb00 # [ 81.651343] ? ksys_write+0x68/0xf0 # [ 81.655246] rewind_stack_do_exit+0x17/0x20 # [ 81.659919] RIP: 0033:0x7f6af9fef8f3 # [ 81.663915] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.684902] RSP: 002b:00007ffe4f297728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.693354] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6af9fef8f3 # [ 81.701331] RDX: 000000000000000c RSI: 00007f6af9ee2000 RDI: 0000000000000001 # [ 81.709302] RBP: 00007f6af9ee2000 R08: 00007f6af9ee1010 R09: 0000000000000000 # [ 81.717278] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.725251] 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 # [ 82.048215] lkdtm: Performing direct entry WRITE_RO # [ 82.055778] lkdtm: attempting bad rodata write at ffffffff9dd9c210 # [ 82.068962] BUG: unable to handle page fault for address: ffffffff9dd9c210 # [ 82.082788] #PF: supervisor write access in kernel mode # [ 82.088628] #PF: error_code(0x0003) - permissions violation # [ 82.094855] PGD 65229067 P4D 65229067 PUD 6522a063 PMD 8000000064a001e1 # [ 82.102361] Oops: 0003 [#14] SMP PTI # [ 82.106360] CPU: 3 PID: 1955 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 82.115012] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.121638] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 82.126605] Code: 00 48 c7 c7 c0 48 18 9e 48 c7 c6 10 c2 d9 9d e8 8c 9b fd ff 48 8b 05 e1 bb 65 00 ba 34 12 cd ab 48 c7 c7 f0 48 18 9e 48 31 d0 <48> 89 05 cb bb 65 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da ec # [ 82.147592] RSP: 0018:ffffa7e802467e60 EFLAGS: 00010202 # [ 82.153432] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 82.161405] RDX: 00000000abcd1234 RSI: [ 85.286303] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 85.295355] lkdtm: attempting good refcount_add() without overflow [ 85.302303] lkdtm: attempting bad refcount_add() overflow ffff93297bd9bf70 RDI: ffffffff9e1848f0 # [ 82.169378] RBP: ff[ 85.308348] ------------[ cut here ]------------ [ 85.319732] refcount_t: saturated; leaking memory. [ 85.325152] WARNING: CPU: 2 PID: 2092 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 85.334601] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.350611] CPU: 2 PID: 2092 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 85.359330] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.366002] RIP: 0010:refcount_warn_saturate+0x51/0x110 ffffff9e183add R08: 0000000000000000 R09: 0000000000000000 # [ [ 85.371865] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 11 9e c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 [ 85.399089] RSP: 0018:ffffa7e80266fe48 EFLAGS: 00010286 [ 85.404950] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 85.412945] RDX: ffff93297bd2c660 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 85.420937] RBP: ffffffff9e183b1b R08: 0000000000000000 R09: 0000000000000000 [ 85.428933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 85.436918] R13: ffffa7e80266ff10 R14: ffffa7e80266ff10 R15: ffff932901233000 [ 85.444911] FS: 00007f92e363e580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 85.453972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.460411] CR2: 00007f92e3447000 CR3: 000000010358c000 CR4: 00000000003506e0 [ 85.468406] Call Trace: [ 85.471168] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 85.476550] direct_entry.cold+0x2c/0x38 [ 85.480962] full_proxy_write+0x56/0x80 [ 85.485274] vfs_write+0xea/0x3a0 [ 85.489002] ksys_write+0x68/0xf0 [ 85.492732] do_syscall_64+0x33/0x40 [ 85.496752] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.502421] RIP: 0033:0x7f92e35548f3 [ 85.506437] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 82.177352] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 85.527439] RSP: 002b:00007ffe479dabb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.542108] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f92e35548f3 [ 85.550102] RDX: 0000000000000016 RSI: 00007f92e3447000 RDI: 0000000000000001 [ 85.558094] RBP: 00007f92e3447000 R08: 00007f92e3446010 R09: 0000000000000000 [ 85.566087] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000000009 # [ 82.185325] R13: ffffa7e802467f10 R14: ffff[ 85.574079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a7e802467f10 R15: ffff932903774000 # [ 82.193299] FS: 00007f[ 85.588286] irq event stamp: 0 [ 85.597927] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.604957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 85.614117] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 85.623268] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.630277] ---[ end trace 94529e6dc4b0e482 ]--- [ 85.635441] lkdtm: Overflow detected: saturated 8cb3dce580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 82.202344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.208763] CR2: ffffffff9dd9c210 CR3: 00000001042ca000 CR4: 00000000003506e0 # [ 82.216737] Call Trace: # [ 82.219478] direct_entry.cold+0x2c/0x38 # [ 82.223870] full_proxy_write+0x56/0x80 # [ 82.228163] vfs_write+0xea/0x3a0 # [ 82.231870] ksys_write+0x68/0xf0 # [ 82.235580] do_syscall_64+0x33/0x40 # [ 82.239578] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.245225] RIP: 0033:0x7f8cb3ce48f3 # [ 82.249220] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.270205] RSP: 002b:00007ffd58e4cf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.278669] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f8cb3ce48f3 # [ 82.286642] RDX: 0000000000000009 RSI: 00007f8cb3bd7000 RDI: 0000000000000001 # [ 82.294618] RBP: 00007f8cb3bd7000 R08: 00007f8cb3bd6010 R09: 0000000000000000 # [ 82.302592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 82.310564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.318549] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.334521] CR2: ffffffff9dd9c210 # [ 82.338226] ---[ end trace 94529e6dc4b0e47e ]--- # [ 82.343387] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.347771] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 82.368759] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 82.374599] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.382572] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 82.390548] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 82.398520] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.406495] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 82.414470] FS: 00007f8cb3dce580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 82.423511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.429930] CR2: ffffffff9dd9c210 CR3: 00000001042ca000 CR4: 00000000003506e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 82.789404] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 82.798684] lkdtm: attempting bad ro_after_init write at ffffffff9e1ff330 # [ 82.806325] BUG: unable to handle page fault for address: ffffffff9e1ff330 # [ 82.814012] #PF: supervisor write access in kernel mode # [ 82.819852] #PF: error_code(0x0003) - permissions violation # [ 82.826078] PGD 65229067 P4D 65229067 PUD 6522a063 PMD 8000000064e001e1 # [ 82.833582] Oops: [ 85.943090] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 0003 [#15] SMP PTI # [ 82.837581] CPU: 1 PID: 1990 Comm: cat [ 85.952656] lkdtm: attempting bad refcount_inc_not_zero() overflow Tainted: G D W 5.10.154-cip19 #1 # [ 82.852437] [ 85.965782] ------------[ cut here ]------------ Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.85[ 85.977140] refcount_t: saturated; leaking memory. 9064] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 82.86[ 85.988763] WARNING: CPU: 3 PID: 2124 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 5099] Code: 49 18 9e e9 3e 9b fd ff 48 c7 c7 48 49 18 9e e8 32 9[ 86.004405] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify b fd ff 48 8b 05 a7 ec ab 00 ba 34 12 cd ab 48 c7 c7 f0 48 18 9e[ 86.026553] CPU: 3 PID: 2124 Comm: cat Tainted: G D W 5.10.154-cip19 #1 48 31 d0 <48> 89 05 91 ec ab 00 e9 10 9b fd ff 0f 1f 44 00 00 4[ 86.041451] Hardware name: Google Coral/Coral, BIOS 09/29/2020 1 54 48 c7 c7 # [ 82.886084] RSP: 0018:ffffa7e8024f7e60 EFLAG[ 86.054276] RIP: 0010:refcount_warn_saturate+0x97/0x110 S: 00010202 # [ 82.891926] RAX: 00000000fe67479e RBX: 0000000[ 86.066374] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 9e c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 000000029 RCX: 0000000000000000 # [ 82.899899] RDX: 00000000a[ 86.093585] RSP: 0018:ffffa7e8026d7e38 EFLAGS: 00010282 bcd1234 RSI: ffff93297bc9bf70 RDI: ffffffff9e1848f0 # [ 82.90[ 86.105631] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 7873] RBP: ffffffff9e183ae6 R08: 0000000000000000 R09: 000000000[ 86.119837] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 0000000 # [ 82.915847] R10: 00000000ffffe000 R11: 3ffffffffff[ 86.134057] RBP: ffffffff9e183758 R08: 0000000000000000 R09: 0000000000000000 fffff R12: 0000000000000014 # [ 82.923821] R13: ffffa7e8024f7[ 86.148242] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f f10 R14: ffffa7e8024f7f10 R15: ffff932903912000 # [ 82.931797[ 86.162472] R13: ffffa7e8026d7f10 R14: ffffa7e8026d7f10 R15: ffff932903394000 ] FS: 00007f51461be580(0000) GS:ffff93297bc80000(0000) knlGS:00[ 86.176651] FS: 00007f06e634d580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 00000000000000 # [ 82.940840] CS: 0010 DS: 0000 ES: 0000 CR0[ 86.191940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 0000000080050033 # [ 82.947259] CR2: ffffffff9e1ff330 CR3: [ 86.204577] CR2: 00007f06e6156000 CR3: 0000000105edc000 CR4: 00000000003506e0 0000000102ad6000 CR4: 00000000003506e0 # [ 82.955232] Call Tr[ 86.218825] Call Trace: ace: # [ 82.957972] direct_entry.cold+0x2c/0x38 # [ 82.96[ 86.228014] __refcount_add_not_zero.constprop.0+0x2a/0x35 2364] full_proxy_write+0x56/0x80 # [ 82.966656] vfs_write+0[ 86.240191] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 xea/0x3a0 # [ 82.970364] ksys_write+0x68/0xf0 # [ 82.9740[ 86.252818] direct_entry.cold+0x2c/0x38 72] do_syscall_64+0x33/0x40 # [ 82.978070] entry_SYSCALL_64[ 86.263419] full_proxy_write+0x56/0x80 _after_hwframe+0x61/0xc6 # [ 82.983708] RIP: 0033:0x7f51460d4[ 86.273915] vfs_write+0xea/0x3a0 8f3 # [ 82.987697] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 [ 86.283656] ksys_write+0x68/0xf0 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7[ 86.293765] do_syscall_64+0x33/0x40 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 [ 86.303975] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 48 83 ec 28 48 89 54 24 18 # [ 83.008682] RSP: 002b:00007f[ 86.315852] RIP: 0033:0x7f06e62638f3 ff5c9c24a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83[ 86.326102] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 .017145] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f[ 86.353271] RSP: 002b:00007fff2dafcb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 51460d48f3 # [ 83.025120] RDX: 0000000000000014 RSI: 00007f51[ 86.367947] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f06e62638f3 45fc7000 RDI: 0000000000000001 # [ 83.033093] RBP: 00007f5145[ 86.381956] RDX: 000000000000001f RSI: 00007f06e6156000 RDI: 0000000000000001 fc7000 R08: 00007f5145fc6010 R09: 0000000000000000 # [ 83.041[ 86.396215] RBP: 00007f06e6156000 R08: 00007f06e6155010 R09: 0000000000000000 068] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000[ 86.410397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000001 # [ 83.049040] R13: 0000000000000001 R14: 000000000002[ 86.424673] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 R15: 0000000000020000 # [ 83.057026] Modules linked in: [ 86.438844] irq event stamp: 0 fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cr[ 86.448540] hardirqs last enabled at (0): [<0000000000000000>] 0x0 os_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify[ 86.461708] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 83.072995] CR2: ffffffff9e1ff330 # [ 83.076698] ---[ [ 86.477176] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 end trace 94529e6dc4b0e47f ]--- # [ 83.081861] RIP: 0010:lkdt[ 86.492447] softirqs last disabled at (0): [<0000000000000000>] 0x0 m_BUG+0x5/0x10 # [ 83.086245] Code: 89 ff e8 6e a3 a3 ff 48 c[ 86.505692] ---[ end trace 94529e6dc4b0e483 ]--- 7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7[ 86.517027] lkdtm: Overflow detected: saturated 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 a0 c6 92 02 # [ 83.107228] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 83.113070] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83.121042] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 83.129015] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 83.136990] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 83.144963] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 83.152938] FS: 00007f51461be580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 # [ 83.161978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.168397] CR2: ffffffff9e1ff330 CR3: 0000000102ad6000 CR4: 00000000003506e0 # [ 83.176373] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 83.186291] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1990, name: cat # [ 83.194749] INFO: lockdep is turned off. # [ 83.199130] irq event stamp: 0 # [ 83.202542] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.209549] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 83.218689] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 83.227827] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 83.234831] CPU: 1 PID: 1990 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 83.243482] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.250096] Call Trace: # [ 83.252835] dump_stack+0x77/0x9b # [ 83.256543] ___might_sleep.cold+0xa6/0xb6 # [ 83.261123] exit_signals+0x1c/0x2e0 # [ 83.265118] do_exit+0xd5/0xb00 # [ 83.268630] ? ksys_write+0x68/0xf0 # [ 83.272533] rewind_stack_do_exit+0x17/0x20 # [ 83.277208] RIP: 0033:0x7f51460d48f3 # [ 83.281203] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.302187] RSP: 002b:00007fff5c9c24a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.310648] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f51460d48f3 # [ 83.318622] RDX: 0000000000000014 RSI: 00007f5145fc7000 RDI: 0000000000000001 # [ 83.326596] RBP: 00007f5145fc7000 R08: 00007f5145fc6010 R09: 0000000000000000 # [ 83.334570] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.342544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 83.731453] lkdtm: Performing direct entry WRITE_KERN # [ 83.741584] lkdtm: attempting bad 6685289 byte write at ffffffff9d7405a9 # [ 83.749116] BUG: unable to handle page fault for address: ffffffff9d7405a9 # [ 83.756800] #PF: supervisor write access in kernel mode # [ 83.762636] #PF: error_code(0x0003) - permissions violation # [ 83.768861] PGD 65229067 P4D 6522[ 86.834533] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 9067 PUD 6522a063 PMD 644001e1 # [ 83.775589] Oops: 0003 [#1[ 86.846579] lkdtm: attempting bad refcount_add_not_zero() overflow 6] SMP PTI # [ 83.779576] CPU: 2 PID: 2025 Comm: cat Tainted:[ 86.859685] ------------[ cut here ]------------ G D W 5.10.154-cip19 #1 # [ 83.788221] Hardware[ 86.871093] refcount_t: saturated; leaking memory. name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.794838] RI[ 86.882925] WARNING: CPU: 3 PID: 2156 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 P: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 83.799995] Code: 53 48[ 86.898359] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c7 c3 a9 05 74 9d 49 89 dc 48 89 da 49 81 ec 40 03 0e 9d 4c 89 [ 86.920663] CPU: 3 PID: 2156 Comm: cat Tainted: G D W 5.10.154-cip19 #1 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 40 03 0e 9d a4[ 86.935569] Hardware name: Google Coral/Coral, BIOS 09/29/2020 48 c7 c7 f0 48 18 9e e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 86.948425] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 83.820975] RSP: 0018:ffffa7e80258fe50 EFLAGS: 00010246 # [ [ 86.960341] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 9e c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 83.826816] RAX: 000000000000003c RBX: ffffffff9d7405a9 RCX: 00[ 86.987408] RSP: 0018:ffffa7e80274fe38 EFLAGS: 00010282 00000000660269 # [ 83.834789] RDX: 0000000000000000 RSI: ffff[ 86.999673] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ffff9d0e0340 RDI: ffffffff9d7405a9 # [ 83.842762] RBP: ffffff[ 87.013616] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 ff9e183afa R08: 0000000000000000 R09: 0000000000000000 # [ 83[ 87.027834] RBP: ffffffff9e183778 R08: 0000000000000000 R09: 0000000000000000 .850736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 87.041982] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0000660269 # [ 83.858709] R13: ffffa7e80258ff10 R14: ffffa7e8[ 87.056200] R13: ffffa7e80274ff10 R14: ffffa7e80274ff10 R15: ffff932906404000 0258ff10 R15: ffff932905d0d000 # [ 83.866684] FS: 00007f8e62[ 87.070367] FS: 00007f524de1a580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 40c580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 #[ 87.085662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.875726] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 87.098295] CR2: 00007f524dc23000 CR3: 0000000104dc0000 CR4: 00000000003506e0 3 # [ 83.882146] CR2: ffffffff9d7405a9 CR3: 0000000104a7c000 [ 87.112459] Call Trace: CR4: 00000000003506e0 # [ 83.890119] Call Trace: # [ 83.89[ 87.121452] __refcount_add_not_zero.constprop.0+0x2a/0x35 2861] direct_entry.cold+0x2c/0x38 # [ 83.897251] full_proxy[ 87.133779] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 _write+0x56/0x80 # [ 83.901543] vfs_write+0xea/0x3a0 # [ [ 87.146228] direct_entry.cold+0x2c/0x38 83.905249] ksys_write+0x68/0xf0 # [ 83.908958] do_syscall_6[ 87.156856] full_proxy_write+0x56/0x80 4+0x33/0x40 # [ 83.912959] entry_SYSCALL_64_after_hwframe+0x[ 87.167358] vfs_write+0xea/0x3a0 61/0xc6 # [ 83.918605] RIP: 0033:0x7f8e623228f3 # [ 83.922[ 87.177277] ksys_write+0x68/0xf0 602] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff[ 87.187240] do_syscall_64+0x33/0x40 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 87.197442] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48[ 87.209286] RIP: 0033:0x7f524dd308f3 89 54 24 18 # [ 83.943587] RSP: 002b:00007ffd5cca39f8 EFLAGS[ 87.219530] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 00000246 ORIG_RAX: 0000000000000001 # [ 83.952049] RAX: fff[ 87.246714] RSP: 002b:00007ffc8ef97e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffffffda RBX: 000000000000000b RCX: 00007f8e623228f3 # [ [ 87.261377] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f524dd308f3 83.960022] RDX: 000000000000000b RSI: 00007f8e62215000 RDI: 000[ 87.275573] RDX: 000000000000001f RSI: 00007f524dc23000 RDI: 0000000000000001 0000000000001 # [ 83.967998] RBP: 00007f8e62215000 R08: 00007[ 87.289789] RBP: 00007f524dc23000 R08: 00007f524dc22010 R09: 0000000000000000 f8e62214010 R09: 0000000000000000 # [ 83.975972] R10: fffffff[ 87.304027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.[ 87.318456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 983947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000[ 87.332414] irq event stamp: 0 000020000 # [ 83.991933] Modules linked in: fuse ip_tables cr[ 87.342224] hardirqs last enabled at (0): [<0000000000000000>] 0x0 os_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86[ 87.355401] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 _pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.007904[ 87.370754] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ] CR2: ffffffff9d7405a9 # [ 84.011605] ---[ end trace 94529e6[ 87.385978] softirqs last disabled at (0): [<0000000000000000>] 0x0 dc4b0e480 ]--- # [ 84.016763] RIP: 0010:lkdtm_BUG+0x5/0x10 #[ 87.399373] ---[ end trace 94529e6dc4b0e484 ]--- [ 84.021144] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff [ 87.410721] lkdtm: Overflow detected: saturated 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 a0 c6 92 02 # [ 84.042104] RSP: 0018:ffffa7e8012e7e60 EFLAGS: 00010282 # [ 84.047934] RAX: ffffffff9d0dff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 84.055903] RDX: 0000000000000000 RSI: ffff93297bd1bf70 RDI: ffffffff9dd9bd90 # [ 84.063863] RBP: ffffffff9e1dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 84.071823] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 84.079795] R13: ffffa7e8012e7f10 R14: ffffa7e8012e7f10 R15: ffff932905ebf000 # [ 84.087769] FS: 00007f8e6240c580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 84.096810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.103229] CR2: ffffffff9d7405a9 CR3: 0000000104a7c000 CR4: 00000000003506e0 # [ 84.111205] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 84.121119] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2025, name: cat # [ 84.129571] INFO: lockdep is turned off. # [ 84.133946] irq event stamp: 0 # [ 84.137354] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.144350] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 84.153468] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 84.162597] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.169590] CPU: 2 PID: 2025 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 84.178218] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.184819] Call Trace: # [ 84.187552] dump_stack+0x77/0x9b # [ 84.191252] ___might_sleep.cold+0xa6/0xb6 # [ 84.195822] exit_signals+0x1c/0x2e0 # [ 84.199812] do_exit+0xd5/0xb00 # [ 84.203308] ? ksys_write+0x68/0xf0 # [ 84.207204] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 84.212648] rewind_stack_do_exit+0x17/0x20 # [ 84.217317] RIP: 0033:0x7f8e623228f3 # [ 84.221308] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.242266] RSP: 002b:00007ffd5cca39f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.250710] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8e623228f3 # [ 84.258667] RDX: 000000000000000b RSI: 00007f8e62215000 RDI: 0000000000000001 # [ 84.266628] RBP: 00007f8e62215000 R08: 00007f8e62214010 R09: 0000000000000000 # [ 84.274600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 84.282570] 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 # [ 84.631789] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 84.638897] lkdtm: attempting good refcount_inc() without overflow # [ 84.645842] lkdtm: attempting bad refcount_inc() overflow # [ 84.651912] ------------[ cut here ]------------ # [ 84.663262] refcount_t: saturated; leaking memory. # [ 84.674881] WARNING: CPU: 1 PID: 2060[ 87.735174] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 87.745023] lkdtm: attempting good refcount_dec() [ 87.750307] lkdtm: attempting bad refcount_dec() to zero at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 8[ 87.756277] ------------[ cut here ]------------ [ 87.767649] refcount_t: decrement hit 0; leaking memory. [ 87.773662] WARNING: CPU: 1 PID: 2188 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 87.783120] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.799126] CPU: 1 PID: 2188 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 87.807839] Hardware name: Google Coral/Coral, BIOS 09/29/2020 4.690481] Modules linked in: fuse ip_tables cros_ec_lightbar cro[ 87.814516] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 87.826587] Code: f0 f4 11 9e c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 11 9e c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 87.847595] RSP: 0018:ffffa7e8027cfe48 EFLAGS: 00010286 [ 87.853461] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 87.861456] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: ffff93297bc9bf70 [ 87.869453] RBP: ffffffff9e183b31 R08: 0000000000000000 R09: 0000000000000000 [ 87.877447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 87.885443] R13: ffffa7e8027cff10 R14: ffffa7e8027cff10 R15: ffff93290337c000 [ 87.893434] FS: 00007f3fb297d580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 [ 87.902499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.908940] CR2: 00007f3fb2786000 CR3: 00000001037e4000 CR4: 00000000003506e0 [ 87.916937] Call Trace: [ 87.919705] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 87.924702] direct_entry.cold+0x2c/0x38 [ 87.929117] full_proxy_write+0x56/0x80 [ 87.933436] vfs_write+0xea/0x3a0 [ 87.937168] ksys_write+0x68/0xf0 [ 87.940903] do_syscall_64+0x33/0x40 [ 87.944930] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 87.950603] RIP: 0033:0x7f3fb28938f3 [ 87.954623] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 87.975629] RSP: 002b:00007ffc42c87db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.984116] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3fb28938f3 [ 87.992113] RDX: 0000000000000012 RSI: 00007f3fb2786000 RDI: 0000000000000001 [ 88.000108] RBP: 00007f3fb2786000 R08: 00007f3fb2785010 R09: 0000000000000000 [ 88.008106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 88.016104] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.024109] irq event stamp: 0 s_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal [ 88.027547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 cros_ec_dev cros_usbpd_notify # [ 84.712658] CPU: 1 PID: 2060[ 88.040773] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 88.056125] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 88.065296] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.072323] ---[ end trace 94529e6dc4b0e485 ]--- [ 88.077502] lkdtm: Zero detected: saturated Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 84.721337] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.727978] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 84.733891] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 11 9e c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 # [ 84.754934] RSP: 0018:ffffa7e8025d7e48 EFLAGS: 00010286 # [ 84.760801] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 84.768794] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: ffff93297bc9bf70 # [ 84.776790] RBP: ffffffff9e183b05 R08: 0000000000000000 R09: 0000000000000000 # [ 84.784785] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 84.792780] R13: ffffa7e8025d7f10 R14: ffffa7e8025d7f10 R15: ffff9329026f2000 # [ 84.800777] FS: 00007f6426315580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 # [ 84.809840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.816273] CR2: 00007f642611e000 CR3: 0000000101236000 CR4: 00000000003506e0 # [ 84.824259] Call Trace: # [ 84.827025] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 84.832410] direct_entry.cold+0x2c/0x38 # [ 84.836820] full_proxy_write+0x56/0x80 # [ 84.841134] vfs_write+0xea/0x3a0 # [ 84.844863] ksys_write+0x68/0xf0 # [ 84.848596] do_syscall_64+0x33/0x40 # [ 84.852618] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 84.858277] RIP: 0033:0x7f642622b8f3 # [ 84.862295] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.883303] RSP: 002b:00007ffd167b5c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.891786] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f642622b8f3 # [ 84.899781] RDX: 0000000000000016 RSI: 00007f642611e000 RDI: 0000000000000001 # [ 84.907774] RBP: 00007f642611e000 R08: 00007f642611d010 R09: 0000000000000000 # [ 84.915768] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 84.923763] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.931762] irq event stamp: 0 # [ 84.935194] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.942225] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 84.951387] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 84.960546] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.967566] ---[ end trace 94529e6dc4b0e481 ]--- # [ 84.972741] 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 # [ 85.286303] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 85.295355] lkdtm: attempting good refcount_add() without overflow # [ 85.302303] lkdtm: attempting bad refcount_add() overflow # [ 85.308348] -----------[ 88.380542] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE -[ cut here ]------------ # [ 85.319732] refcount_t: saturate[ 88.393597] lkdtm: attempting bad refcount_dec() below zero d; leaking memory. # [ 85.325152] WARNING: CPU: 2 PID: 2092 a[ 88.406057] ------------[ cut here ]------------ t lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 85.[ 88.417498] refcount_t: decrement hit 0; leaking memory. 334601] Modules linked in: fuse ip_tables cros_ec_lightbar cros_[ 88.429893] WARNING: CPU: 3 PID: 2223 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cr[ 88.445334] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify os_ec_dev cros_usbpd_notify # [ 85.350611] CPU: 2 PID: 2092 C[ 88.467690] CPU: 3 PID: 2223 Comm: cat Tainted: G D W 5.10.154-cip19 #1 omm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 85[ 88.482548] Hardware name: Google Coral/Coral, BIOS 09/29/2020 .359330] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.495389] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 85.366002] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ [ 88.507535] Code: f0 f4 11 9e c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 11 9e c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 85.371865] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 [ 88.534447] RSP: 0018:ffffa7e80281fe48 EFLAGS: 00010286 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 11 9e c6 05 25 2e 94 01 0[ 88.546580] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 1 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 [ 88.560700] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 cb 48 c7 c7 68 f4 11 # [ 85.399089] RSP: 0018:ffffa7e80266fe4[ 88.574931] RBP: ffffffff9e183b43 R08: 0000000000000000 R09: 0000000000000000 8 EFLAGS: 00010286 # [ 85.404950] RAX: 0000000000000000 RBX: [ 88.589079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 000000000000002c RCX: 0000000000000000 # [ 85.412945] RDX: ff[ 88.603278] R13: ffffa7e80281ff10 R14: ffffa7e80281ff10 R15: ffff932902980000 ff93297bd2c660 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ [ 88.617522] FS: 00007fcb1e634580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 85.420937] RBP: ffffffff9e183b1b R08: 0000000000000000 R09: 00[ 88.632763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000000000 # [ 85.428933] R10: 00000000ffffe000 R11: 3fff[ 88.645425] CR2: 00007fcb1e43d000 CR3: 0000000103770000 CR4: 00000000003506e0 ffffffffffff R12: 0000000000000016 # [ 85.436918] R13: ffffa7[ 88.659602] Call Trace: e80266ff10 R14: ffffa7e80266ff10 R15: ffff932901233000 # [ 85[ 88.668583] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 .444911] FS: 00007f92e363e580(0000) GS:ffff93297bd00000(0000) k[ 88.680142] direct_entry.cold+0x2c/0x38 nlGS:0000000000000000 # [ 85.453972] CS: 0010 DS: 0000 ES: 0[ 88.690750] full_proxy_write+0x56/0x80 000 CR0: 0000000080050033 # [ 85.460411] CR2: 00007f92e344700[ 88.701278] vfs_write+0xea/0x3a0 0 CR3: 000000010358c000 CR4: 00000000003506e0 # [ 85.468406] [ 88.711189] ksys_write+0x68/0xf0 Call Trace: # [ 85.471168] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/[ 88.721119] do_syscall_64+0x33/0x40 0xa7 # [ 85.476550] direct_entry.cold+0x2c/0x38 # [ 85.48[ 88.731336] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0962] full_proxy_write+0x56/0x80 # [ 85.485274] vfs_write+0[ 88.743219] RIP: 0033:0x7fcb1e54a8f3 xea/0x3a0 # [ 85.489002] ksys_write+0x68/0xf0 # [ 85.4927[ 88.753420] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 32] do_syscall_64+0x33/0x40 # [ 85.496752] entry_SYSCALL_64[ 88.780645] RSP: 002b:00007ffcc9263838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _after_hwframe+0x61/0xc6 # [ 85.502421] RIP: 0033:0x7f92e3554[ 88.795313] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcb1e54a8f3 8f3 # [ 85.506437] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 [ 88.809513] RDX: 0000000000000016 RSI: 00007fcb1e43d000 RDI: 0000000000000001 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7[ 88.823727] RBP: 00007fcb1e43d000 R08: 00007fcb1e43c010 R09: 0000000000000000 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 [ 88.837906] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 48 83 ec 28 48 89 54 24 18 # [ 85.527439] RSP: 002b:00007f[ 88.852150] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fe479dabb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85[ 88.866546] irq event stamp: 0 .542108] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f[ 88.875977] hardirqs last enabled at (0): [<0000000000000000>] 0x0 92e35548f3 # [ 85.550102] RDX: 0000000000000016 RSI: 00007f92[ 88.889402] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 e3447000 RDI: 0000000000000001 # [ 85.558094] RBP: 00007f92e3[ 88.904719] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 447000 R08: 00007f92e3446010 R09: 0000000000000000 # [ 85.566[ 88.920137] softirqs last disabled at (0): [<0000000000000000>] 0x0 087] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000[ 88.933204] ---[ end trace 94529e6dc4b0e486 ]--- 000001 # [ 85.574079] R13: 0000000000000001 R14: 000000000002[ 88.944658] lkdtm: Negative detected: saturated 0000 R15: 0000000000020000 # [ 85.588286] irq event stamp: 0 # [ 85.597927] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.604957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 85.614117] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 85.623268] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.630277] ---[ end trace 94529e6dc4b0e482 ]--- # [ 85.635441] 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 # [ 85.943090] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 85.952656] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 85.965782] ------------[ cut here ]------------ # [ 85.977140] refcount_t: saturated; leaking memory. # [ 85.988763] WARNING: CPU: 3 PID: 2124 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 86.004405] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.026553] CPU: 3 PID: 2124 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 86.041451] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.054276] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 86.066374] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 9e c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 # [ 86.093585] RSP: 0018:ffffa7e8026d7e38 EFLAGS: 00010282 # [ 86.105631] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 86.119837] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 # [ 86.134057] RBP: ffffffff9e183758 R08: 0000000000000000 R09: 0000000000000000 # [ 86.148242] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.162472] R13: ffffa7e8026d7f10 R14: ffffa7e8026d7f10 R15: ffff932903394000 # [ 86.176651] FS: 00007f06e634d580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 86.191940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.204577] CR2: 00007f06e6156000 CR3: 0000000105edc000 CR4: 00000000003506e0 # [ 86.218825] Call Trace: # [ 86.228014] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 86.240191] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 86.252818] direct_entry.cold+0x2c/0x38 # [ 86.263419] full_proxy_write+0x56/0x80 # [ 86.273915] vfs_write+0xea/0x3a0 # [ 86.283656] ksys_write+0x68/0xf0 # [ 86.293765] do_syscall_64+0x33/0x40 # [ 86.303975] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 86.315852] RIP: 0033:0x7f06e62638f3 # [ 86.326102] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 86.353271] RSP: 002b:00007fff2dafcb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.367947] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f06e62638f3 # [ 86.381956] RDX: 000000000000001f RSI: 00007f06e6156000 RDI: 0000000000000001 # [ 86.396215] RBP: 00007f06e6156000 R08: 00007f06e6155010 R09: 0000[ 89.283721] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 89.292708] lkdtm: attempting bad refcount_dec_and_test() below zero [ 89.299866] ------------[ cut here ]------------ 000000000000 # [ 86.410397] R10: fffffffffffffbc5 R11: 000000[ 89.305060] refcount_t: underflow; use-after-free. [ 89.316700] WARNING: CPU: 1 PID: 2258 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 89.326158] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.342158] CPU: 1 PID: 2258 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 89.350880] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000246 R12: 0000000000000001 # [ 86.424673] R13: 00000000[ 89.357552] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 89.369631] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 9e c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 [ 89.390640] RSP: 0018:ffffa7e80288fe40 EFLAGS: 00010286 [ 89.396502] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 89.404499] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: ffff93297bc9bf70 [ 89.412494] RBP: ffffffff9e183798 R08: 0000000000000000 R09: 0000000000000000 [ 89.420490] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 89.428486] R13: ffffa7e80288ff10 R14: ffffa7e80288ff10 R15: ffff9329037f3000 [ 89.436482] FS: 00007f50d0461580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 [ 89.445547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.451989] CR2: 00007f50d026a000 CR3: 0000000104f9a000 CR4: 00000000003506e0 [ 89.459976] Call Trace: [ 89.462733] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 89.468892] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 89.475151] direct_entry.cold+0x2c/0x38 [ 89.479563] full_proxy_write+0x56/0x80 [ 89.483879] vfs_write+0xea/0x3a0 [ 89.487611] ksys_write+0x68/0xf0 [ 89.491354] do_syscall_64+0x33/0x40 [ 89.495372] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 89.501044] RIP: 0033:0x7f50d03778f3 [ 89.505066] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 89.526073] RSP: 002b:00007fff88678418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.534560] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f50d03778f3 [ 89.542560] RDX: 000000000000001f RSI: 00007f50d026a000 RDI: 0000000000000001 [ 89.550557] RBP: 00007f50d026a000 R08: 00007f50d0269010 R09: 0000000000000000 [ 89.558551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 89.566548] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.4[ 89.574569] irq event stamp: 0 38844] irq event stamp: 0 # [ 86.448540] hardirqs last enabl[ 89.584180] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ed at (0): [<0000000000000000>] 0x0 # [ 86.461708] hardirqs l[ 89.597405] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 89.612767] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 89.621930] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.628955] ---[ end trace 94529e6dc4b0e487 ]--- [ 89.634128] lkdtm: Negative detected: saturated ast disabled at (0): [] copy_process+0x640/0x1c80 # [ 86.477176] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 86.492447] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.505692] ---[ end trace 94529e6dc4b0e483 ]--- # [ 86.517027] 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 # [ 86.834533] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 86.846579] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 86.859685] ------------[ cut here ]------------ # [ 86.871093] refcount_t: saturated; leaking memory. # [ 86.882925] WARNING: CPU: 3 PID: 2156 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 86.898359] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.920663] CPU: 3 PID: 2156 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 86.935569] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.948425] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 86.960341] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 9e c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 # [ 86.987408] RSP: 0018:ffffa7e80274fe38 EFLAGS: 00010282 # [ 86.999673] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 87.013616] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 # [ 87.027834] RBP: ffffffff9e183778 R08: 0000000000000000 R09: 0000000000000000 # [ 87.041982] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 87.056200] R13: ffffa7e80274ff10 R14: ffffa7e80274ff10 R15: ffff932906404000 # [ 87.070367] FS: 00007f524de1a580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 87.085662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.098295] CR2: 00007f524dc23000 CR3: 0000000104dc0000 CR4: 00000000003506e0 # [ 87.112459] Call Trace: # [ 87.121452] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 87.133779] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 87.146228] direct_entry.cold+0x2c/0x38 # [ 87.156856] full_proxy_write+0x56/0x80 # [ 87.167358] vfs_write+0xea/0x3a0 # [ 87.177277] ksys_write+0x68/0xf0 # [ 87.187240] do_syscall_64+0x33/0x40 # [ 87.197442] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.209286] RIP: 0033:0x7f524dd308f3 # [ 87.219530] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.246714] RSP: 002b:00007ffc8ef97e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.261377] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f524dd308f3 # [ 87.275573] RDX: 000000000000001f RSI: 00007f524dc23000 RDI: 0000000000000001 # [ 87.289789] RBP: 00007f524dc23000 R08: 00007f524dc22010 R09: 0000000000000000 # [ 87.304027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000[ 89.959923] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 000000000001 # [ 87.318456] R13: 0000000000000001 R14: 000000[ 89.969949] lkdtm: attempting bad refcount_sub_and_test() below zero [ 89.983289] ------------[ cut here ]------------ 0000020000 R15: 0000000000020000 # [ 87.332414] irq event sta[ 89.988467] refcount_t: underflow; use-after-free. mp: 0 # [ 87.342224] hardirqs last enabled at (0): [<0000000[ 90.000075] WARNING: CPU: 0 PID: 2293 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 000000000>] 0x0 # [ 87.355401] hardirqs last disabled at (0):[ 90.015712] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [] copy_process+0x640/0x1c80 # [ 87.370754[ 90.037906] CPU: 0 PID: 2293 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 90.052790] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ] softirqs last enabled at (0): [] copy_proce[ 90.059433] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 90.071490] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 9e c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 [ 90.092485] RSP: 0018:ffffa7e80291fe40 EFLAGS: 00010286 [ 90.098356] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 90.106361] RDX: ffff93297bc2c660 RSI: ffff93297bc1bf70 RDI: ffff93297bc1bf70 [ 90.114363] RBP: ffffffff9e1837b8 R08: 0000000000000000 R09: 0000000000000000 [ 90.122360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 90.130361] R13: ffffa7e80291ff10 R14: ffffa7e80291ff10 R15: ffff932904a56000 [ 90.138361] FS: 00007fae09479580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 ss+0x640/0x1c80 # [ 87.385978] softirqs last disabled at (0):[ 90.147423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.160066] CR2: 00007fae09282000 CR3: 0000000105fe4000 CR4: 00000000003506f0 [ 90.168063] Call Trace: [<0000000000000000>] 0x0 # [ 87.399373] ---[ end trace 94529[ 90.170831] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 90.183209] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 90.189467] direct_entry.cold+0x2c/0x38 [ 90.193880] full_proxy_write+0x56/0x80 [ 90.198197] vfs_write+0xea/0x3a0 [ 90.201928] ksys_write+0x68/0xf0 [ 90.205663] do_syscall_64+0x33/0x40 e6dc4b0e484 ]--- # [ 87.410721] lkdtm: Overflow detected: sat[ 90.209687] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 90.221539] RIP: 0033:0x7fae0938f8f3 [ 90.225549] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 90.246558] RSP: 002b:00007fffc01a7198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 urated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok [ 90.255058] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fae0938f8f3 ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # se[ 90.269241] RDX: 000000000000001f RSI: 00007fae09282000 RDI: 0000000000000001 [ 90.283439] RBP: 00007fae09282000 R08: 00007fae09281010 R09: 0000000000000000 lftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 87.735174] lkdtm: Pe[ 90.291436] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 90.305618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rforming direct entry REFCOUNT_DEC_ZERO # [ 87.745023] lkdtm:[ 90.313632] irq event stamp: 0 [ 90.323283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.330315] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 90.339478] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 90.348641] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.355665] ---[ end trace 94529e6dc4b0e488 ]--- [ 90.360848] lkdtm: Negative detected: saturated attempting good refcount_dec() # [ 87.750307] lkdtm: attempting bad refcount_dec() to zero # [ 87.756277] ------------[ cut here ]------------ # [ 87.767649] refcount_t: decrement hit 0; leaking memory. # [ 87.773662] WARNING: CPU: 1 PID: 2188 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 87.783120] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.799126] CPU: 1 PID: 2188 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 87.807839] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.814516] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 87.826587] Code: f0 f4 11 9e c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 11 9e c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 87.847595] RSP: 0018:ffffa7e8027cfe48 EFLAGS: 00010286 # [ 87.853461] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 87.861456] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: ffff93297bc9bf70 # [ 87.869453] RBP: ffffffff9e183b31 R08: 0000000000000000 R09: 0000000000000000 # [ 87.877447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 87.885443] R13: ffffa7e8027cff10 R14: ffffa7e8027cff10 R15: ffff93290337c000 # [ 87.893434] FS: 00007f3fb297d580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 # [ 87.902499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.908940] CR2: 00007f3fb2786000 CR3: 00000001037e4000 CR4: 00000000003506e0 # [ 87.916937] Call Trace: # [ 87.919705] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 87.924702] direct_entry.cold+0x2c/0x38 # [ 87.929117] full_proxy_write+0x56/0x80 # [ 87.933436] vfs_write+0xea/0x3a0 # [ 87.937168] ksys_write+0x68/0xf0 # [ 87.940903] do_syscall_64+0x33/0x40 # [ 87.944930] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.950603] RIP: 0033:0x7f3fb28938f3 # [ 87.954623] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.975629] RSP: 002b:00007ffc42c87db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.984116] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3fb28938f3 # [ 87.992113] RDX: 0000000000000012 RSI: 00007f3fb2786000 RDI: 0000000000000001 # [ 88.000108] RBP: 00007f3fb2786000 R08: 00007f3fb2785010 R09: 0000000000000000 # [ 88.008106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 88.016104] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.024109] irq event stamp: 0 # [ 88.027547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.040773] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.056125] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 88.065296] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.072323] ---[ end trace 94529e6dc4b0e485 ]--- # [ 88.077502] lkdtm: Zero detected: saturated # RE[ 90.681397] lkdtm: Performing direct entry REFCOUNT_INC_ZERO FCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: [ 90.689202] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 90.702529] lkdtm: Good: zero detected [ 90.706738] lkdtm: Correctly stayed at zero [ 90.711428] lkdtm: attempting bad refcount_inc() from zero [ 90.717577] ------------[ cut here ]------------ [ 90.722759] refcount_t: addition on 0; use-after-free. REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.[ 90.728566] WARNING: CPU: 1 PID: 2325 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 sh # [ 88.380542] lkdtm: Performing direct entry REFCOUNT_DEC[ 90.744256] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _NEGATIVE # [ 88.393597] lkdtm: attempting bad refcount_dec()[ 90.766493] CPU: 1 PID: 2325 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 90.781334] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 90.787977] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 90.793842] Code: 01 01 e8 2a 9b 95 00 0f 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 9e c6 05 01 2e 94 01 01 e8 07 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 [ 90.814850] RSP: 0018:ffffa7e80298fe48 EFLAGS: 00010286 [ 90.820713] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 90.828696] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: ffff93297bc9bf70 [ 90.836679] RBP: ffffffff9e183b59 R08: 0000000000000000 R09: 0000000000000000 [ 90.844672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 90.852662] R13: ffffa7e80298ff10 R14: ffffa7e80298ff10 R15: ffff932901228000 [ 90.860652] FS: 00007f69516b0580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 [ 90.869707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.876141] CR2: 00007f69514b9000 CR3: 0000000104c58000 CR4: 00000000003506e0 [ 90.884131] Call Trace: [ 90.886894] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 90.891886] direct_entry.cold+0x2c/0x38 [ 90.896296] full_proxy_write+0x56/0x80 [ 90.900609] vfs_write+0xea/0x3a0 [ 90.904340] ksys_write+0x68/0xf0 [ 90.908077] do_syscall_64+0x33/0x40 [ 90.912098] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 90.917770] RIP: 0033:0x7f69515c68f3 [ 90.921788] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 90.942790] RSP: 002b:00007fff778b7788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.951272] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f69515c68f3 [ 90.959259] RDX: 0000000000000012 RSI: 00007f69514b9000 RDI: 0000000000000001 below zero # [ 88.406057] ------------[ cut here ]----------[ 90.967260] RBP: 00007f69514b9000 R08: 00007f69514b8010 R09: 0000000000000000 -- # [ 88.417498] refcount_t: decrement hit 0; leaking memory[ 90.981440] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 90.995637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 91.003648] irq event stamp: 0 [ 91.007084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.014116] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 91.023282] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 91.032445] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.039467] ---[ end trace 94529e6dc4b0e489 ]--- [ 91.044638] lkdtm: Zero detected: saturated . # [ 88.429893] WARNING: CPU: 3 PID: 2223 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 88.445334] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.467690] CPU: 3 PID: 2223 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 88.482548] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.495389] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 88.507535] Code: f0 f4 11 9e c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 11 9e c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 88.534447] RSP: 0018:ffffa7e80281fe48 EFLAGS: 00010286 # [ 88.546580] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 88.560700] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 # [ 88.574931] RBP: ffffffff9e183b43 R08: 0000000000000000 R09: 0000000000000000 # [ 88.589079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 88.603278] R13: ffffa7e80281ff10 R14: ffffa7e80281ff10 R15: ffff932902980000 # [ 88.617522] FS: 00007fcb1e634580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 88.632763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.645425] CR2: 00007fcb1e43d000 CR3: 0000000103770000 CR4: 00000000003506e0 # [ 88.659602] Call Trace: # [ 88.668583] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 88.680142] direct_entry.cold+0x2c/0x38 # [ 88.690750] full_proxy_write+0x56/0x80 # [ 88.701278] vfs_write+0xea/0x3a0 # [ 88.711189] ksys_write+0x68/0xf0 # [ 88.721119] do_syscall_64+0x33/0x40 # [ 88.731336] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 88.743219] RIP: 0033:0x7fcb1e54a8f3 # [ 88.753420] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.780645] RSP: 002b:00007ffcc9263838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.795313] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcb1e54a8f3 # [ 88.809513] RDX: 0000000000000016 RSI: 00007fcb1e43d000 RDI: 0000000000000001 # [ 88.823727] RBP: 00007fcb1e43d000 R08: 00007fcb1e43c010 R09: 0000000000000000 # [ 88.837906] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 88.852150] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.866546] irq event stamp: 0 # [ 88.875977] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.889402] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.904719] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 88.920137] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.933204] ---[ end trace 94529e6dc4b0e486 ]--- # [ 88.944658] 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 # [ 89.283721] lkdtm: Performing di[ 91.361455] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO rect entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 89.292708] lkdt[ 91.372703] lkdtm: attempting safe refcount_add_not_zero() from zero m: attempting bad refcount_dec_and_test() below zero # [ 89.2[ 91.386055] lkdtm: Good: zero detected 99866] ------------[ cut here ]------------ # [ 89.305060] re[ 91.396546] lkdtm: Correctly stayed at zero fcount_t: underflow; use-after-free. # [ 89.316700] WARNING: [ 91.407630] lkdtm: attempting bad refcount_add() from zero CPU: 1 PID: 2258 at lib/refcount.c:28 refcount_warn_saturate+0xb[ 91.419832] ------------[ cut here ]------------ a/0x110 # [ 89.326158] Modules linked in: fuse ip_tables cros[ 91.431378] refcount_t: addition on 0; use-after-free. _ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_p[ 91.443457] WARNING: CPU: 3 PID: 2357 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 kg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.342158] [ 91.459000] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify CPU: 1 PID: 2258 Comm: cat Tainted: G D W 5.10.154-[ 91.481186] CPU: 3 PID: 2357 Comm: cat Tainted: G D W 5.10.154-cip19 #1 cip19 #1 # [ 89.350880] Hardware name: Google Coral/Coral, BI[ 91.495981] Hardware name: Google Coral/Coral, BIOS 09/29/2020 OS 09/29/2020 # [ 89.357552] RIP: 0010:refcount_warn_saturat[ 91.508860] RIP: 0010:refcount_warn_saturate+0x74/0x110 e+0xba/0x110 # [ 89.369631] Code: 01 01 e8 e4 9a 95 00 0f 0b [ 91.520742] Code: 01 01 e8 2a 9b 95 00 0f 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 9e c6 05 01 2e 94 01 01 e8 07 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 9e c[ 91.548018] RSP: 0018:ffffa7e8029ffe48 EFLAGS: 00010286 6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d [ 91.560005] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 89.390640] RSP: 00[ 91.574183] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 18:ffffa7e80288fe40 EFLAGS: 00010286 # [ 89.396502] RAX: 0000[ 91.588426] RBP: ffffffff9e183b6b R08: 0000000000000000 R09: 0000000000000000 000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ [ 91.602593] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 89.404499] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: ffff[ 91.616825] R13: ffffa7e8029fff10 R14: ffffa7e8029fff10 R15: ffff9329034a1000 93297bc9bf70 # [ 89.412494] RBP: ffffffff9e183798 R08: 000000[ 91.631003] FS: 00007f5216f7d580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 0000000000 R09: 0000000000000000 # [ 89.420490] R10: 00000000[ 91.646333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 89.4[ 91.658948] CR2: 00007f5216d86000 CR3: 00000001034bc000 CR4: 00000000003506e0 28486] R13: ffffa7e80288ff10 R14: ffffa7e80288ff10 R15: ffff9329[ 91.673133] Call Trace: 037f3000 # [ 89.436482] FS: 00007f50d0461580(0000) GS:ffff93[ 91.682128] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 297bc80000(0000) knlGS:0000000000000000 # [ 89.445547] CS: 0[ 91.693300] direct_entry.cold+0x2c/0x38 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.451989] CR[ 91.703910] full_proxy_write+0x56/0x80 2: 00007f50d026a000 CR3: 0000000104f9a000 CR4: 00000000003506e0 [ 91.714456] vfs_write+0xea/0x3a0 # [ 89.459976] Call Trace: # [ 89.462733] __refcount_sub_[ 91.724366] ksys_write+0x68/0xf0 and_test.constprop.0+0x3c/0x50 # [ 89.468892] lkdtm_REFCOUNT[ 91.734292] do_syscall_64+0x33/0x40 _DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 89.475151] direct_entry[ 91.744538] entry_SYSCALL_64_after_hwframe+0x61/0xc6 .cold+0x2c/0x38 # [ 89.479563] full_proxy_write+0x56/0x80 #[ 91.756393] RIP: 0033:0x7f5216e938f3 [ 89.483879] vfs_write+0xea/0x3a0 # [ 89.487611] ksys_wr[ 91.766614] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ite+0x68/0xf0 # [ 89.491354] do_syscall_64+0x33/0x40 # [ [ 91.793849] RSP: 002b:00007ffe2cc687f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 89.495372] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 89.5[ 91.808517] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5216e938f3 01044] RIP: 0033:0x7f50d03778f3 # [ 89.505066] Code: 8b 15 a1[ 91.822738] RDX: 0000000000000012 RSI: 00007f5216d86000 RDI: 0000000000000001 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 91.836926] RBP: 00007f5216d86000 R08: 00007f5216d85010 R09: 0000000000000000 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 91.851143] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 91.865414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 89.526073] RSP: 002b:00007fff88678418 EFLAGS: 00000246 ORIG_RAX[ 91.879874] irq event stamp: 0 : 0000000000000001 # [ 89.534560] RAX: ffffffffffffffda RBX: [ 91.889234] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000001f RCX: 00007f50d03778f3 # [ 89.542560] RDX: 00[ 91.902677] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0000000000001f RSI: 00007f50d026a000 RDI: 0000000000000001 # [ [ 91.917996] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 89.550557] RBP: 00007f50d026a000 R08: 00007f50d0269010 R09: 00[ 91.933383] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000000000 # [ 89.558551] R10: fffffffffffffbc5 R11: 0000[ 91.946579] ---[ end trace 94529e6dc4b0e48a ]--- 000000000246 R12: 0000000000000001 # [ 89.566548] R13: 000000[ 91.958008] lkdtm: Zero detected: saturated 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.574569] irq event stamp: 0 # [ 89.584180] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.597405] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 89.612767] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 89.621930] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.628955] ---[ end trace 94529e6dc4b0e487 ]--- # [ 89.634128] 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 # [ 89.959923] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 89.969949] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 89.983289] ------------[ cut here ]------------ # [ 89.988467] refcount_t: underflow; use-after-free. # [ 90.000075] WARNING: CPU: 0 PID: 2293 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 90.015712] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.037906] CPU: 0 PID: 2293 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 90.052790] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.059433] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 90.071490] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 9e c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 90.092485] RSP: 0018:ffffa7e80291fe40 EFLAGS: 00010286 # [ 90.098356] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 90.106361] RDX: ffff93297bc2c660 RSI: ffff93297bc1bf70 RDI: ffff93297bc1bf70 # [ 90.114363] RBP: ffffffff9e1837b8 R08: 0000000000000000 R09: 0000000000000000 # [ 90.122360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 90.130361] R13: ffffa7e80291ff10 R14: ffffa7e80291ff10 R15: ffff932904a56000 # [ 90.138361] FS: 00007fae09479580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 # [ 90.147423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.160066] CR2: 00007fae09282000 CR3: 0000000105fe4000 CR4: 00000000003506f0 # [ 90.168063] Call Trace: # [ 90.170831] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 90.183209] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 90.189467] direct_entry.cold+0x2c/0x38 # [ 90.193880] full_proxy_write+0x56/0x80 # [ 90.198197] vfs_write+0xea/0x3a0 # [ 90.201928] ksys_write+0x68/0xf0 # [ 90.205663] do_syscall_64+0x33/0x40 # [ 90.209687] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.221539] RIP: 0033:0x7fae0938f8f3 # [ 90.225549] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.246558] RSP: 002b:00007fffc01a7198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.255058] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fae0938f8f3 # [ 90.269241] RDX: 000000000000001f RSI: 00007fae09282000 RDI: 0000000000000001 # [ 90.283439] RBP: 00007fae09282000 R08: 00007fae09281010 R09: 0000000000000000 # [ 90.291436] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 90.305618] R13: 0000000[ 92.312085] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 92.323513] lkdtm: attempting bad refcount_inc() from saturated [ 92.330174] ------------[ cut here ]------------ 000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.[ 92.335366] refcount_t: saturated; leaking memory. 313632] irq event stamp: 0 # [ 90.323283] hardirqs last enab[ 92.346992] WARNING: CPU: 1 PID: 2392 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 92.362661] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify led at (0): [<0000000000000000>] 0x0 # [ 90.330315] hardirqs [ 92.378714] CPU: 1 PID: 2392 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 92.393633] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.400279] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 92.406140] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 11 9e c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 [ 92.427143] RSP: 0018:ffffa7e802a7fe48 EFLAGS: 00010286 [ 92.433006] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 92.440999] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: ffff93297bc9bf70 [ 92.448993] RBP: ffffffff9e183b7d R08: 0000000000000000 R09: 0000000000000000 [ 92.456989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 92.464983] R13: ffffa7e802a7ff10 R14: ffffa7e802a7ff10 R15: ffff932905d0d000 [ 92.472970] FS: 00007f2355c9c580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 [ 92.482037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 last disabled at (0): [] copy_process+0x640/0x[ 92.488481] CR2: 00007f2355aa5000 CR3: 0000000104a7c000 CR4: 00000000003506e0 [ 92.502692] Call Trace: 1c80 # [ 90.339478] softirqs last enabled at (0): [ 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 92.568057] RSP: 002b:00007ffdcd7ab3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.576543] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2355bb28f3 [ 92.584541] RDX: 0000000000000017 RSI: 00007f2355aa5000 RDI: 0000000000000001 [ 92.592537] RBP: 00007f2355aa5000 R08: 00007f2355aa4010 R09: 0000000000000000 [ 92.600532] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 9c900cf0>] copy_process+0x640/0x1c80 # [ 90.348641] softirqs [ 92.608525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 92.622725] irq event stamp: 0 last disabled at (0): [<0000000000000000>] 0x0 # [ 90.355665][ 92.626144] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.639380] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 92.648546] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 92.657709] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.664733] ---[ end trace 94529e6dc4b0e48b ]--- [ 92.669911] lkdtm: Saturation detected: still saturated ---[ end trace 94529e6dc4b0e488 ]--- # [ 90.360848] 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 # [ 90.681397] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 90.689202] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 90.702529] lkdtm: Good: zero detected # [ 90.706738] lkdtm: Correctly stayed at zero # [ 90.711428] lkdtm: attempting bad refcount_inc() from zero # [ 90.717577] ------------[ cut here ]------------ # [ 90.722759] refcount_t: addition on 0; use-after-free. # [ 90.728566] WARNING: CPU: 1 PID: 2325 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 90.744256] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.766493] CPU: 1 PID: 2325 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 90.781334] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.787977] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 90.793842] Code: 01 01 e8 2a 9b 95 00 0f 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 9e c6 05 01 2e 94 01 01 e8 07 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 # [ 90.814850] RSP: 0018:ffffa7e80298fe48 EFLAGS: 00010286 # [ 90.820713] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 90.828696] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: ffff93297bc9bf70 # [ 90.836679] RBP: ffffffff9e183b59 R08: 0000000000000000 R09: 0000000000000000 # [ 90.844672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.852662] R13: ffffa7e80298ff10 R14: ffffa7e80298ff10 R15: ffff932901228000 # [ 90.860652] FS: 00007f69516b0580(0000) GS:ffff93297bc80000(0000) knlGS:0000000000000000 # [ 90.869707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.876141] CR2: 00007f69514b9000 CR3: 0000000104c58000 CR4: 00000000003506e0 # [ 90.884131] Call Trace: # [ 90.886894] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 90.891886] direct_entry.cold+0x2c/0x38 # [ 90.896296] full_proxy_write+0x56/0x80 # [ 90.900609] vfs_write+0xea/0x3a0 # [ 90.904340] ksys_write+0x68/0xf0 # [ 90.908077] do_syscall_64+0x33/0x40 # [ 90.912098] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.917770] RIP: 0033:0x7f69515c68f3 # [ 90.921788] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.942790] RSP: 002b:00007fff778b7788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.951272] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f69515c68f3 # [ 90.959259] RDX: 0000000000000012 RSI: 00007f69514b9000 RDI: 0000000000000001 # [ 90.967260] RBP: 00007f69514b9000 R08: 00007f69514b8010 R09: 0000000000000000 # [ 90.981440] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 90.995637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.003648] irq event stamp: 0 # [ 91.007084] hardirqs last enabled a[ 92.993883] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED t (0): [<0000000000000000>] 0x0 # [ 91.014116] hardirqs last [ 93.005686] lkdtm: attempting bad refcount_dec() from saturated disabled at (0): [] copy_process+0x640/0x1c80 [ 93.018550] ------------[ cut here ]------------ [ 93.029938] refcount_t: decrement hit 0; leaking memory. # [ 91.023282] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 91.032445] softirqs last [ 93.051570] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.073777] CPU: 0 PID: 2427 Comm: cat Tainted: G D W 5.10.154-cip19 #1 disabled at (0): [<0000000000000000>] 0x0 # [ 91.039467] ---[[ 93.082462] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.095296] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 93.101159] Code: f0 f4 11 9e c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 11 9e c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 93.122166] RSP: 0018:ffffa7e802aefe48 EFLAGS: 00010286 [ 93.128029] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 93.136025] RDX: ffff93297bc2c660 RSI: ffff93297bc1bf70 RDI: ffff93297bc1bf70 [ 93.144028] RBP: ffffffff9e183b94 R08: 0000000000000000 R09: 0000000000000000 [ 93.152023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 93.160020] R13: ffffa7e802aeff10 R14: ffffa7e802aeff10 R15: ffff932904fc3000 [ 93.168017] FS: 00007f54568d8580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 93.177077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.183521] CR2: 00007f54566e1000 CR3: 0000000105e18000 CR4: 00000000003506f0 [ 93.191515] Call Trace: [ 93.194279] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 93.199755] direct_entry.cold+0x2c/0x38 [ 93.204169] full_proxy_write+0x56/0x80 [ 93.208489] vfs_write+0xea/0x3a0 [ 93.212221] ksys_write+0x68/0xf0 [ 93.215948] do_syscall_64+0x33/0x40 [ 93.219965] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.225628] RIP: 0033:0x7f54567ee8f3 [ 93.229639] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 93.250646] RSP: 002b:00007ffffce42a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.259130] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f54567ee8f3 [ 93.267125] RDX: 0000000000000017 RSI: 00007f54566e1000 RDI: 0000000000000001 [ 93.275126] RBP: 00007f54566e1000 R08: 00007f54566e0010 R09: 0000000000000000 end trace 94529e6dc4b0e489 ]--- # [ 91.044638] lkdtm: Zero d[ 93.283118] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 etected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok [ 93.297318] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 93.311522] irq event stamp: 0 [ 93.314957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.321989] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 93.331153] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 93.340320] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.347350] ---[ end trace 94529e6dc4b0e48c ]--- ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm[ 93.352564] lkdtm: Saturation detected: still saturated : REFCOUNT_ADD_ZERO.sh # [ 91.361455] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 91.372703] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 91.386055] lkdtm: Good: zero detected # [ 91.396546] lkdtm: Correctly stayed at zero # [ 91.407630] lkdtm: attempting bad refcount_add() from zero # [ 91.419832] ------------[ cut here ]------------ # [ 91.431378] refcount_t: addition on 0; use-after-free. # [ 91.443457] WARNING: CPU: 3 PID: 2357 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 91.459000] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.481186] CPU: 3 PID: 2357 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 91.495981] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.508860] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 91.520742] Code: 01 01 e8 2a 9b 95 00 0f 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 9e c6 05 01 2e 94 01 01 e8 07 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 # [ 91.548018] RSP: 0018:ffffa7e8029ffe48 EFLAGS: 00010286 # [ 91.560005] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 91.574183] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 # [ 91.588426] RBP: ffffffff9e183b6b R08: 0000000000000000 R09: 0000000000000000 # [ 91.602593] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 91.616825] R13: ffffa7e8029fff10 R14: ffffa7e8029fff10 R15: ffff9329034a1000 # [ 91.631003] FS: 00007f5216f7d580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 91.646333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.658948] CR2: 00007f5216d86000 CR3: 00000001034bc000 CR4: 00000000003506e0 # [ 91.673133] Call Trace: # [ 91.682128] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 91.693300] direct_entry.cold+0x2c/0x38 # [ 91.703910] full_proxy_write+0x56/0x80 # [ 91.714456] vfs_write+0xea/0x3a0 # [ 91.724366] ksys_write+0x68/0xf0 # [ 91.734292] do_syscall_64+0x33/0x40 # [ 91.744538] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 91.756393] RIP: 0033:0x7f5216e938f3 # [ 91.766614] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 91.793849] RSP: 002b:00007ffe2cc687f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.808517] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5216e938f3 # [ 91.822738] RDX: 0000000000000012 RSI: 00007f5216d86000 RDI: 0000000000000001 # [ 91.836926] RBP: 00007f5216d86000 R08: 00007f5216d85010 R09: 0000000000000000 # [ 91.851143] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 91.865414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.879874] irq event stamp: 0 # [ 91.889234] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.902677] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 91.917996] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 91.933383] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.946579] ---[ end trace 94529e6dc4b0e48a ]--- # [ 91.958008] l[ 93.697517] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED kdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call t[ 93.706745] lkdtm: attempting bad refcount_dec() from saturated race:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # self[ 93.719607] ------------[ cut here ]------------ tests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 92.312085] lkdtm:[ 93.731002] refcount_t: saturated; leaking memory. Performing direct entry REFCOUNT_INC_SATURATED # [ 92.323513[ 93.742632] WARNING: CPU: 3 PID: 2462 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ] lkdtm: attempting bad refcount_inc() from saturated # [ 92.[ 93.758214] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 330174] ------------[ cut here ]------------ # [ 92.335366] r[ 93.780304] CPU: 3 PID: 2462 Comm: cat Tainted: G D W 5.10.154-cip19 #1 efcount_t: saturated; leaking memory. # [ 92.346992] WARNING:[ 93.795177] Hardware name: Google Coral/Coral, BIOS 09/29/2020 CPU: 1 PID: 2392 at lib/refcount.c:22 refcount_warn_saturate+0x[ 93.807993] RIP: 0010:refcount_warn_saturate+0x51/0x110 51/0x110 # [ 92.362661] Modules linked in: fuse ip_tables cro[ 93.820060] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 11 9e c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 s_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_[ 93.847226] RSP: 0018:ffffa7e802b7fe48 EFLAGS: 00010286 pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.378714][ 93.859302] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 CPU: 1 PID: 2392 Comm: cat Tainted: G D W 5.10.154[ 93.873470] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 -cip19 #1 # [ 92.393633] Hardware name: Google Coral/Coral, B[ 93.887678] RBP: ffffffff9e183bab R08: 0000000000000000 R09: 0000000000000000 IOS 09/29/2020 # [ 92.400279] RIP: 0010:refcount_warn_satura[ 93.901844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 te+0x51/0x110 # [ 92.406140] Code: 84 bc 00 00 00 c3 cc cc cc[ 93.916064] R13: ffffa7e802b7ff10 R14: ffffa7e802b7ff10 R15: ffff932905ff8000 cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 11 9e [ 93.930237] FS: 00007f32e2cf9580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d[ 93.945496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 # [ 92.427143] RSP: 0[ 93.958164] CR2: 00007f32e2b02000 CR3: 00000001033d6000 CR4: 00000000003506e0 018:ffffa7e802a7fe48 EFLAGS: 00010286 # [ 92.433006] RAX: 000[ 93.972358] Call Trace: 0000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ [ 93.981373] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 92.440999] RDX: ffff93297bcac660 RSI: ffff93297bc9bf70 RDI: fff[ 93.993269] direct_entry.cold+0x2c/0x38 f93297bc9bf70 # [ 92.448993] RBP: ffffffff9e183b7d R08: 00000[ 94.003655] full_proxy_write+0x56/0x80 00000000000 R09: 0000000000000000 # [ 92.456989] R10: 0000000[ 94.014345] vfs_write+0xea/0x3a0 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 92.[ 94.024043] ksys_write+0x68/0xf0 464983] R13: ffffa7e802a7ff10 R14: ffffa7e802a7ff10 R15: ffff932[ 94.034130] do_syscall_64+0x33/0x40 905d0d000 # [ 92.472970] FS: 00007f2355c9c580(0000) GS:ffff9[ 94.044186] entry_SYSCALL_64_after_hwframe+0x61/0xc6 3297bc80000(0000) knlGS:0000000000000000 # [ 92.482037] CS: [ 94.056098] RIP: 0033:0x7f32e2c0f8f3 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.488481] C[ 94.066232] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R2: 00007f2355aa5000 CR3: 0000000104a7c000 CR4: 00000000003506e0[ 94.093470] RSP: 002b:00007ffe0f7cbf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.502692] Call Trace: # [ 92.505451] lkdtm_REFCOUNT[ 94.108089] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f32e2c0f8f3 _INC_SATURATED+0x3c/0x64 # [ 92.517144] direct_entry.cold+0x[ 94.122436] RDX: 0000000000000017 RSI: 00007f32e2b02000 RDI: 0000000000000001 2c/0x38 # [ 92.521555] full_proxy_write+0x56/0x80 # [ 92.[ 94.136513] RBP: 00007f32e2b02000 R08: 00007f32e2b01010 R09: 0000000000000000 525874] vfs_write+0xea/0x3a0 # [ 92.529607] ksys_write+0x68[ 94.150757] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 /0xf0 # [ 92.533340] do_syscall_64+0x33/0x40 # [ 92.53736[ 94.164802] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 92.543039] R[ 94.179135] irq event stamp: 0 IP: 0033:0x7f2355bb28f3 # [ 92.547054] Code: 8b 15 a1 25 0e 0[ 94.188643] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25[ 94.201893] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f[ 94.217199] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 92.5680[ 94.232617] softirqs last disabled at (0): [<0000000000000000>] 0x0 57] RSP: 002b:00007ffdcd7ab3b8 EFLAGS: 00000246 ORIG_RAX: 000000[ 94.245787] ---[ end trace 94529e6dc4b0e48d ]--- 0000000001 # [ 92.576543] RAX: ffffffffffffffda RBX: 00000000[ 94.257193] lkdtm: Saturation detected: still saturated 00000017 RCX: 00007f2355bb28f3 # [ 92.584541] RDX: 0000000000000017 RSI: 00007f2355aa5000 RDI: 0000000000000001 # [ 92.592537] RBP: 00007f2355aa5000 R08: 00007f2355aa4010 R09: 0000000000000000 # [ 92.600532] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 92.608525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.622725] irq event stamp: 0 # [ 92.626144] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.639380] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 92.648546] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 92.657709] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.664733] ---[ end trace 94529e6dc4b0e48b ]--- # [ 92.669911] 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 # [ 92.993883] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 93.005686] lkdtm: attempting bad refcount_dec() from saturated # [ 93.018550] ------------[ cut here ]------------ # [ 93.029938] refcount_t: decrement hit 0; leaking memory. # [ 93.035942] WARNING: CPU: 0 PID: 2427 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 93.051570] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.073777] CPU: 0 PID: 2427 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 93.082462] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.095296] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 93.101159] Code: f0 f4 11 9e c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 11 9e c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 93.122166] RSP: 0018:ffffa7e802aefe48 EFLAGS: 00010286 # [ 93.128029] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 93.136025] RDX: ffff93297bc2c660 RSI: ffff93297bc1bf70 RDI: ffff93297bc1bf70 # [ 93.144028] RBP: ffffffff9e183b94 R08: 0000000000000000 R09: 0000000000000000 # [ 93.152023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 93.160020] R13: ffffa7e802aeff10 R14: ffffa7e802aeff10 R15: ffff932904fc3000 # [ 93.168017] FS: 00007f54568d8580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 # [ 93.177077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.183521] CR2: 00007f54566e1000 CR3: 0000000105e18000 CR4: 00000000003506f0 # [ 93.191515] Call Trace: # [ 93.194279] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 93.199755] direct_entry.cold+0x2c/0x38 # [ 93.204169] full_proxy_write+0x56/0x80 # [ 93.208489] vfs_write+0xea/0x3a0 # [ 93.212221] ksys_write+0x68/0xf0 # [ 93.215948] do_syscall_64+0x33/0x40 # [ 93.219965] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.225628] RIP: 0033:0x7f54567ee8f3 # [ 93.229639] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.250646] RSP: 002b:00007ffffce[ 94.593371] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 94.605609] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 94.613141] ------------[ cut here ]------------ 42a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.2591[ 94.618311] refcount_t: saturated; leaking memory. 30] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f54567[ 94.629907] WARNING: CPU: 2 PID: 2494 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ee8f3 # [ 93.267125] RDX: 0000000000000017 RSI: 00007f54566e1[ 94.645514] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.667693] CPU: 2 PID: 2494 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 94.676361] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.682987] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 94.688845] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 9e c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 [ 94.709836] RSP: 0018:ffffa7e802bffe38 EFLAGS: 00010282 [ 94.715693] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 94.723683] RDX: ffff93297bd2c660 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 94.731679] RBP: ffffffff9e1837d8 R08: 0000000000000000 R09: 0000000000000000 [ 94.739672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.747665] R13: ffffa7e802bfff10 R14: ffffa7e802bfff10 R15: ffff9329034e8000 [ 94.755647] FS: 00007feee46d8580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 94.764702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.771139] CR2: 00007feee44e1000 CR3: 0000000104dc0000 CR4: 00000000003506e0 [ 94.779130] Call Trace: [ 94.781894] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 94.788047] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 94.794396] direct_entry.cold+0x2c/0x38 [ 94.798797] full_proxy_write+0x56/0x80 [ 94.803111] vfs_write+0xea/0x3a0 [ 94.806838] ksys_write+0x68/0xf0 [ 94.810563] do_syscall_64+0x33/0x40 [ 94.814588] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 94.820258] RIP: 0033:0x7feee45ee8f3 [ 94.824271] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.845273] RSP: 002b:00007fff61353a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.853753] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007feee45ee8f3 [ 94.861749] RDX: 0000000000000020 RSI: 00007feee44e1000 RDI: 0000000000000001 [ 94.869739] RBP: 00007feee44e1000 R08: 00007feee44e0010 R09: 0000000000000000 [ 94.877735] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 94.885724] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 94.893711] irq event stamp: 0 000 RDI: 0000000000000001 # [ 93.275126] RBP: 00007f54566e100[ 94.897154] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 R08: 00007f54566e0010 R09: 0000000000000000 # [ 93.283118] [ 94.910360] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000[ 94.925696] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 94.941054] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.948071] ---[ end trace 94529e6dc4b0e48e ]--- [ 94.953240] lkdtm: Saturation detected: still saturated 1 # [ 93.297318] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.311522] irq event stamp: 0 # [ 93.314957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.321989] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 93.331153] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 93.340320] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.347350] ---[ end trace 94529e6dc4b0e48c ]--- # [ 93.352564] 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 # [ 93.697517] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 93.706745] lkdtm: attempting bad refcount_dec() from saturated # [ 93.719607] ------------[ cut here ]------------ # [ 93.731002] refcount_t: saturated; leaking memory. # [ 93.742632] WARNING: CPU: 3 PID: 2462 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 93.758214] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.780304] CPU: 3 PID: 2462 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 93.795177] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.807993] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 93.820060] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 11 9e c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 11 # [ 93.847226] RSP: 0018:ffffa7e802b7fe48 EFLAGS: 00010286 # [ 93.859302] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 93.873470] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 # [ 93.887678] RBP: ffffffff9e183bab R08: 0000000000000000 R09: 0000000000000000 # [ 93.901844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 93.916064] R13: ffffa7e802b7ff10 R14: ffffa7e802b7ff10 R15: ffff932905ff8000 # [ 93.930237] FS: 00007f32e2cf9580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 93.945496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.958164] CR2: 00007f32e2b02000 CR3: 00000001033d6000 CR4: 00000000003506e0 # [ 93.972358] Call Trace: # [ 93.981373] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 93.993269] direct_entry.cold+0x2c/0x38 # [ 94.003655] full_proxy_write+0x56/0x80 # [ 94.014345] vfs_write+0xea/0x3a0 # [ 94.024043] ksys_write+0x68/0xf0 # [ 94.034130] do_syscall_64+0x33/0x40 # [ 94.044186] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 94.056098] RIP: 0033:0x7f32e2c0f8f3 # [ 94.066232] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.093470] RSP: 002b:00007ffe0f7cbf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.108089] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f32e2c0f8f3 # [ 94.122436] RDX: 0000000000000017 RSI: 00007f32e2b02000 RDI: 0000000000000001 # [ 94.136513] RBP: 00007f32e2b02000 R08: 00007f32e2b01010 R09: 0000000000000000 # [ 94.150757] R10: fffffffffffffbc5 R11: 0000[ 95.293212] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 95.302019] lkdtm: attempting bad refcount_add_not_zero() from saturated 000000000246 R12: 0000000000000001 # [ 94.164802] R13: 000000[ 95.309540] ------------[ cut here ]------------ [ 95.320913] refcount_t: saturated; leaking memory. [ 95.326315] WARNING: CPU: 2 PID: 2526 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 95.335750] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.351744] CPU: 2 PID: 2526 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 95.360405] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 95.367030] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 95.372884] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 9e c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 [ 95.393850] RSP: 0018:ffffa7e802b97e38 EFLAGS: 00010282 [ 95.399700] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 95.407682] RDX: ffff93297bd2c660 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 [ 95.415673] RBP: ffffffff9e1837f8 R08: 0000000000000000 R09: 0000000000000000 [ 95.423648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 95.431636] R13: ffffa7e802b97f10 R14: ffffa7e802b97f10 R15: ffff9329042b9000 [ 95.439625] FS: 00007efc0c7e0580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 [ 95.448679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.455119] CR2: 00007efc0c5e9000 CR3: 0000000104f0a000 CR4: 00000000003506e0 [ 95.463112] Call Trace: [ 95.465876] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 95.472038] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 95.478396] direct_entry.cold+0x2c/0x38 [ 95.482810] full_proxy_write+0x56/0x80 [ 95.487126] vfs_write+0xea/0x3a0 [ 95.490857] ksys_write+0x68/0xf0 [ 95.494589] do_syscall_64+0x33/0x40 [ 95.498615] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 95.504285] RIP: 0033:0x7efc0c6f68f3 [ 95.508299] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 95.529306] RSP: 002b:00007ffe27a7f518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.537789] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efc0c6f68f3 [ 95.545789] RDX: 0000000000000020 RSI: 00007efc0c5e9000 RDI: 0000000000000001 [ 95.553786] RBP: 00007efc0c5e9000 R08: 00007efc0c5e8010 R09: 0000000000000000 [ 95.561782] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94[ 95.569763] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 95.583965] irq event stamp: 0 .179135] irq event stamp: 0 # [ 94.188643] hardirqs last ena[ 95.587394] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 95.600601] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 95.609773] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 95.618930] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.625953] ---[ end trace 94529e6dc4b0e48f ]--- [ 95.631130] lkdtm: Saturation detected: still saturated bled at (0): [<0000000000000000>] 0x0 # [ 94.201893] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 94.217199] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 94.232617] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.245787] ---[ end trace 94529e6dc4b0e48d ]--- # [ 94.257193] 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 # [ 94.593371] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 94.605609] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 94.613141] ------------[ cut here ]------------ # [ 94.618311] refcount_t: saturated; leaking memory. # [ 94.629907] WARNING: CPU: 2 PID: 2494 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 94.645514] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.667693] CPU: 2 PID: 2494 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 94.676361] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.682987] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 94.688845] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 9e c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 # [ 94.709836] RSP: 0018:ffffa7e802bffe38 EFLAGS: 00010282 # [ 94.715693] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 94.723683] RDX: ffff93297bd2c660 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ 94.731679] RBP: ffffffff9e1837d8 R08: 0000000000000000 R09: 0000000000000000 # [ 94.739672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.747665] R13: ffffa7e802bfff10 R14: ffffa7e802bfff10 R15: ffff9329034e8000 # [ 94.755647] FS: 00007feee46d8580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 94.764702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.771139] CR2: 00007feee44e1000 CR3: 0000000104dc0000 CR4: 00000000003506e0 # [ 94.779130] Call Trace: # [ 94.781894] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 94.788047] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 94.794396] direct_entry.cold+0x2c/0x38 # [ 94.798797] full_proxy_write+0x56/0x80 # [ 94.803111] vfs_write+0xea/0x3a0 # [ 94.806838] ksys_write+0x68/0xf0 # [ 94.810563] do_syscall_64+0x33/0x40 # [ 94.814588] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 94.820258] RIP: 0033:0x7feee45ee8f3 # [ 94.824271] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.845273] RSP: 002b:00007fff61353a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.853753] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007feee45ee8f3 # [ 94.861749] RDX: 0000000000000020 RSI: 00007feee44e1000 RDI: 0000000000000001 # [ 94.869739] RBP: 00007feee44e1000 R08: 00007feee44e0010 R09: 0000000000000000 # [ 94.877735] R10: fffffffffffffbc5 R11[ 95.965604] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 95.973930] lkdtm: attempting bad refcount_dec_and_test() from saturated : 0000000000000246 R12: 0000000000000001 # [ 94.885724] R13: [ 95.981447] ------------[ cut here ]------------ [ 95.992809] refcount_t: underflow; use-after-free. 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.998234] WARNING: CPU: 0 PID: 2561 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 94.893711] irq event stamp: 0 # [ 94.897154] hardirqs las[ 96.013850] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 96.036046] CPU: 0 PID: 2561 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 96.044710] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 96.051340] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 96.057188] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 9e c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 [ 96.078177] RSP: 0018:ffffa7e802cdfe40 EFLAGS: 00010286 [ 96.084035] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 96.092029] RDX: ffff93297bc2c660 RSI: ffff93297bc1bf70 RDI: ffff93297bc1bf70 [ 96.100020] RBP: ffffffff9e183818 R08: 0000000000000000 R09: 0000000000000000 [ 96.108003] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 96.115990] R13: ffffa7e802cdff10 R14: ffffa7e802cdff10 R15: ffff932904ce0000 [ 96.123982] FS: 00007f157d7f5580(0000) GS:ffff93297bc00000(0000) knlGS:0000000000000000 [ 96.133040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.139480] CR2: 00007f157d5fe000 CR3: 00000001037e4000 CR4: 00000000003506f0 [ 96.147474] Call Trace: [ 96.150235] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 96.156389] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 96.162745] direct_entry.cold+0x2c/0x38 t enabled at (0): [<0000000000000000>] 0x0 # [ 94.910360] ha[ 96.167154] full_proxy_write+0x56/0x80 [ 96.177641] vfs_write+0xea/0x3a0 [ 96.181370] ksys_write+0x68/0xf0 [ 96.185101] do_syscall_64+0x33/0x40 [ 96.189121] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 96.194778] RIP: 0033:0x7f157d70b8f3 [ 96.198787] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 96.219793] RSP: 002b:00007ffdc3aa2cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 rdirqs last disabled at (0): [] copy_process+0[ 96.228273] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f157d70b8f3 x640/0x1c80 # [ 94.925696] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 94.941054] so[ 96.272622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.[ 96.286837] irq event stamp: 0 [ 96.296485] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 96.303509] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 96.312670] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 948071] ---[ end trace 94529e6dc4b0e48e ]--- # [ 94.953240] l[ 96.321865] softirqs last disabled at (0): [<0000000000000000>] 0x0 kdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_Z[ 96.335099] ---[ end trace 94529e6dc4b0e490 ]--- [ 96.346489] lkdtm: Saturation detected: still saturated ERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 95.293212] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 95.302019] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 95.309540] ------------[ cut here ]------------ # [ 95.320913] refcount_t: saturated; leaking memory. # [ 95.326315] WARNING: CPU: 2 PID: 2526 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 95.335750] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.351744] CPU: 2 PID: 2526 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 95.360405] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 95.367030] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 95.372884] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 11 9e c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 # [ 95.393850] RSP: 0018:ffffa7e802b97e38 EFLAGS: 00010282 # [ 95.399700] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 95.407682] RDX: ffff93297bd2c660 RSI: ffff93297bd1bf70 RDI: ffff93297bd1bf70 # [ 95.415673] RBP: ffffffff9e1837f8 R08: 0000000000000000 R09: 0000000000000000 # [ 95.423648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.431636] R13: ffffa7e802b97f10 R14: ffffa7e802b97f10 R15: ffff9329042b9000 # [ 95.439625] FS: 00007efc0c7e0580(0000) GS:ffff93297bd00000(0000) knlGS:0000000000000000 # [ 95.448679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.455119] CR2: 00007efc0c5e9000 CR3: 0000000104f0a000 CR4: 00000000003506e0 # [ 95.463112] Call Trace: # [ 95.465876] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 95.472038] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 95.478396] direct_entry.cold+0x2c/0x38 # [ 95.482810] full_proxy_write+0x56/0x80 # [ 95.487126] vfs_write+0xea/0x3a0 # [ 95.490857] ksys_write+0x68/0xf0 # [ 95.494589] do_syscall_64+0x33/0x40 # [ 95.498615] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 95.504285] RIP: 0033:0x7efc0c6f68f3 # [ 95.508299] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.529306] RSP: 002b:00007ffe27a7f518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.537789] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efc0c6f68f3 # [ 95.545789] RDX: 0000000000000020 RSI: 00007efc0c5e9000 RDI: 0000000000000001 # [ 95.553786] RBP: 00007efc0c5e9000 R08: 00007efc0c5e8010 R09: 0000000000000000 # [ 95.561782] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 95.569763] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.583965] irq event stamp: 0 # [ 95.587394] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.600601] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 95.609773] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 95.618930] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.625953] ---[ end trace 94529e6dc4b0e48f ]--- # [ 95.631130] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REF[ 96.704059] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED COUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DE[ 96.714380] lkdtm: attempting bad refcount_sub_and_test() from saturated C_AND_TEST_SATURATED.sh # [ 95.965604] lkdtm: Performing dire[ 96.728106] ------------[ cut here ]------------ ct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 95.973930] lkdtm[ 96.739518] refcount_t: underflow; use-after-free. : attempting bad refcount_dec_and_test() from saturated # [ 9[ 96.751162] WARNING: CPU: 3 PID: 2596 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 5.981447] ------------[ cut here ]------------ # [ 95.992809][ 96.766768] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify refcount_t: underflow; use-after-free. # [ 95.998234] WARNIN[ 96.788908] CPU: 3 PID: 2596 Comm: cat Tainted: G D W 5.10.154-cip19 #1 G: CPU: 0 PID: 2561 at lib/refcount.c:28 refcount_warn_saturate+[ 96.803769] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0xba/0x110 # [ 96.013850] Modules linked in: fuse ip_tables c[ 96.816632] RIP: 0010:refcount_warn_saturate+0xba/0x110 ros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x8[ 96.828682] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 9e c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.03604[ 96.855910] RSP: 0018:ffffa7e802d77e40 EFLAGS: 00010286 6] CPU: 0 PID: 2561 Comm: cat Tainted: G D W 5.10.1[ 96.867955] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 54-cip19 #1 # [ 96.044710] Hardware name: Google Coral/Coral,[ 96.882167] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 BIOS 09/29/2020 # [ 96.051340] RIP: 0010:refcount_warn_satu[ 96.896358] RBP: ffffffff9e183838 R08: 0000000000000000 R09: 0000000000000000 rate+0xba/0x110 # [ 96.057188] Code: 01 01 e8 e4 9a 95 00 0f [ 96.910570] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 9[ 96.924745] R13: ffffa7e802d77f10 R14: ffffa7e802d77f10 R15: ffff9329034e3000 e c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 [ 96.938947] FS: 00007fb81b664580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 96.078177] RSP:[ 96.954235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0018:ffffa7e802cdfe40 EFLAGS: 00010286 # [ 96.084035] RAX: 0[ 96.966853] CR2: 00007fb81b46d000 CR3: 0000000105edc000 CR4: 00000000003506e0 000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [[ 96.981067] Call Trace: 96.092029] RDX: ffff93297bc2c660 RSI: ffff93297bc1bf70 RDI: f[ 96.990086] __refcount_sub_and_test.constprop.0+0x3c/0x50 fff93297bc1bf70 # [ 96.100020] RBP: ffffffff9e183818 R08: 000[ 97.002692] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 0000000000000 R09: 0000000000000000 # [ 96.108003] R10: 00000[ 97.014973] direct_entry.cold+0x2c/0x38 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 9[ 97.025828] full_proxy_write+0x56/0x80 6.115990] R13: ffffa7e802cdff10 R14: ffffa7e802cdff10 R15: ffff9[ 97.036288] vfs_write+0xea/0x3a0 32904ce0000 # [ 96.123982] FS: 00007f157d7f5580(0000) GS:fff[ 97.046185] ksys_write+0x68/0xf0 f93297bc00000(0000) knlGS:0000000000000000 # [ 96.133040] CS:[ 97.056095] do_syscall_64+0x33/0x40 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.139480][ 97.066172] entry_SYSCALL_64_after_hwframe+0x61/0xc6 CR2: 00007f157d5fe000 CR3: 00000001037e4000 CR4: 00000000003506[ 97.078073] RIP: 0033:0x7fb81b57a8f3 f0 # [ 96.147474] Call Trace: # [ 96.150235] __refcount_s[ 97.088258] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ub_and_test.constprop.0+0x3c/0x50 # [ 96.156389] lkdtm_REFCO[ 97.115479] RSP: 002b:00007ffc4530c4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 UNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 96.162745] direct_e[ 97.130155] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb81b57a8f3 ntry.cold+0x2c/0x38 # [ 96.167154] full_proxy_write+0x56/0x8[ 97.144442] RDX: 0000000000000020 RSI: 00007fb81b46d000 RDI: 0000000000000001 0 # [ 96.177641] vfs_write+0xea/0x3a0 # [ 96.181370] ksy[ 97.158529] RBP: 00007fb81b46d000 R08: 00007fb81b46c010 R09: 0000000000000000 s_write+0x68/0xf0 # [ 96.185101] do_syscall_64+0x33/0x40 # [ 97.172862] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 96.189121] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 97.187024] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 96.194778] RIP: 0033:0x7f157d70b8f3 # [ 96.198787] Code: 8b 1[ 97.201278] irq event stamp: 0 5 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 97.210736] hardirqs last enabled at (0): [<0000000000000000>] 0x0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 97.224060] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 97.239313] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 96.219793] RSP: 002b:00007ffdc3aa2cf8 EFLAGS: 00000246 ORIG[ 97.254641] softirqs last disabled at (0): [<0000000000000000>] 0x0 _RAX: 0000000000000001 # [ 96.228273] RAX: ffffffffffffffda R[ 97.267924] ---[ end trace 94529e6dc4b0e491 ]--- BX: 0000000000000020 RCX: 00007f157d70b8f3 # [ 96.242451] RDX[ 97.279250] lkdtm: Saturation detected: still saturated : 0000000000000020 RSI: 00007f157d5fe000 RDI: 0000000000000001 # [ 96.256656] RBP: 00007f157d5fe000 R08: 00007f157d5fd010 R09: 0000000000000000 # [ 96.264648] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 96.272622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.286837] irq event stamp: 0 # [ 96.296485] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 96.303509] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 96.312670] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 96.321865] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 96.335099] ---[ end trace 94529e6dc4b0e490 ]--- # [ 96.346489] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 96.704059] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 96.714380] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 96.728106] ------------[ cut here ]------------ # [ 96.739518] refcount_t: underflow; use-after-free. # [ 96.751162] WARNING: CPU: 3 PID: 2596 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 96.766768] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.788908] CPU: 3 PID: 2596 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 96.803769] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 96.816632] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 96.828682] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 11 9e c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 96.855910] RSP: 0018:ffffa7e802d77e40 EFLAGS: 00010286 # [ 96.867955] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 96.882167] RDX: ffff93297bdac660 RSI: ffff93297bd9bf70 RDI: ffff93297bd9bf70 # [ 96.896358] RBP: ffffffff9e183838 R08: 0000000000000000 R09: 0000000000000000 # [ 96.910570] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 96.924745] R13: ffffa7e802d77f10 R14: ffffa7e802d77f10 R15: ffff9329034e3000 # [ 96.938947] FS: 00007fb81b664580(0000) GS:ffff93297bd80000(0000) knlGS:0000000000000000 # [ 96.954235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.966853] CR2: 00007fb81b46d000 CR3: 0000000105edc000 CR4: 00000000003506e0 # [ 96.981067] Call Trace: # [ 96.990086] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 97.002692] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 97.014973] direct_entry.cold+0x2c/0x38 # [ 97.025828] full_proxy_write+0x56/0x80 # [ 97.036288] vfs_write+0xea/0x3a0 # [ 97.046185] ksys_write+0x68/0xf0 # [ 97.056095] do_syscall_64+0x33/0x40 # [ 97.066172] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 97.078073] RIP: 0033:0x7fb81b57a8f3 # [ 97.088258] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 97.115479] RSP: 002b:00007ffc4530c4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 97.130155] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb81b57a8f3 # [ 97.144442] RDX: 0000000000000020 RSI: 00007fb81b46d000 RDI: 0000000000000001 # [ 97.158529] RBP: 00007fb81b46d000 R08: 00007fb81b46c010 R09: 0000000000000000 # [ 97.172862] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 97.187024] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 97.201278] irq event stamp: 0 # [ 97.210736] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 97.224060] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 97.239313] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 97.254641] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 97.267924] ---[ end trace 94529e6dc4b0e491 ]--- # [ 97.279250] 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 [ 97.912569] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 97.919365] lkdtm: attempting good copy_to_user of correct size [ 97.926011] lkdtm: attempting bad copy_to_user of too large size # [ 97.912569] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 97.919365] lkdtm: attempting good copy_to_user of correct size # [ 97.926011] 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 [ 98.267440] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 98.274396] lkdtm: attempting good copy_from_user of correct size [ 98.281261] lkdtm: attempting bad copy_from_user of too large size # [ 98.267440] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 98.274396] lkdtm: attempting good copy_from_user of correct size # [ 98.281261] 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 [ 98.626502] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 98.633756] lkdtm: attempting good copy_to_user inside whitelist [ 98.640508] lkdtm: attempting bad copy_to_user outside whitelist # [ 98.626502] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 98.633756] lkdtm: attempting good copy_to_user inside whitelist # [ 98.640508] 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 [ 98.985495] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 98.992955] lkdtm: attempting good copy_from_user inside whitelist [ 98.999933] lkdtm: attempting bad copy_from_user outside whitelist # [ 98.985495] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 98.992955] lkdtm: attempting good copy_from_user inside whitelist # [ 98.999933] 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 [ 99.349500] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 99.356449] lkdtm: good_stack: ffffa7e8030dfe20-ffffa7e8030dfe40 [ 99.363188] lkdtm: bad_stack : ffffa7e8030dfda8-ffffa7e8030dfdc8 [ 99.370321] lkdtm: attempting good copy_to_user of local stack [ 99.377255] lkdtm: attempting bad copy_to_user of distant stack # [ 99.349500] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 99.356449] lkdtm: good_stack: ffffa7e8030dfe20-ffffa7e8030dfe40 # [ 99.363188] lkdtm: bad_stack : ffffa7e8030dfda8-ffffa7e8030dfdc8 # [ 99.370321] lkdtm: attempting good copy_to_user of local stack # [ 99.377255] 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 [ 99.704152] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 99.711299] lkdtm: good_stack: ffffa7e803167e20-ffffa7e803167e40 [ 99.718042] lkdtm: bad_stack : ffffa7e803167da8-ffffa7e803167dc8 [ 99.724796] lkdtm: attempting good copy_from_user of local stack [ 99.731532] lkdtm: attempting bad copy_from_user of distant stack # [ 99.704152] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 99.711299] lkdtm: good_stack: ffffa7e803167e20-ffffa7e803167e40 # [ 99.718042] lkdtm: bad_stack : ffffa7e803167da8-ffffa7e803167dc8 # [ 99.724796] lkdtm: attempting good copy_from_user of local stack # [ 99.731532] 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 [ 100.074048] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 100.080800] lkdtm: good_stack: ffffa7e8031dfe20-ffffa7e8031dfe40 [ 100.087535] lkdtm: bad_stack : ffffa7e8031dfff8-ffffa7e8031e0018 [ 100.094273] lkdtm: attempting good copy_to_user of local stack [ 100.100867] lkdtm: attempting bad copy_to_user of distant stack [ 100.107529] lkdtm: copy_to_user failed, but lacked Oops # [ 100.074048] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 100.080800] lkdtm: good_stack: ffffa7e8031dfe20-ffffa7e8031dfe40 # [ 100.087535] lkdtm: bad_stack : ffffa7e8031dfff8-ffffa7e8031e0018 # [ 100.094273] lkdtm: attempting good copy_to_user of local stack # [ 100.100867] lkdtm: attempting bad copy_to_user of distant stack # [ 100.107529] 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 [ 100.442165] lkdtm: Performing direct entry USERCOPY_KERNEL [ 100.448331] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9dd9c230 [ 100.457034] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9cae31e0 [ 100.465451] lkdtm: FAIL: survived bad copy_to_user() # [ 100.442165] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 100.448331] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9dd9c230 # [ 100.457034] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9cae31e0 # [ 100.465451] 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 [ 100.828474] lkdtm: Performing direct entry STACKLEAK_ERASING [ 100.834834] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 100.842771] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 100.850575] lkdtm: FAIL: the thread stack is NOT properly erased [ 100.857323] CPU: 0 PID: 2961 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 100.865962] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 100.872567] Call Trace: [ 100.875319] dump_stack+0x77/0x9b [ 100.879019] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 100.884174] direct_entry.cold+0x2c/0x38 [ 100.888553] full_proxy_write+0x56/0x80 [ 100.892839] vfs_write+0xea/0x3a0 [ 100.896543] ksys_write+0x68/0xf0 [ 100.900248] do_syscall_64+0x33/0x40 [ 100.904240] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 100.909883] RIP: 0033:0x7fbcc25a18f3 [ 100.913879] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 100.934840] RSP: 002b:00007ffe4e62eca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.943305] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbcc25a18f3 [ 100.951278] RDX: 0000000000000012 RSI: 00007fbcc2494000 RDI: 0000000000000001 [ 100.959251] RBP: 00007fbcc2494000 R08: 00007fbcc2493010 R09: 0000000000000000 [ 100.967226] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 100.975199] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 100.828474] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 100.834834] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 100.842771] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 100.850575] lkdtm: FAIL: the thread stack is NOT properly erased # [ 100.857323] CPU: 0 PID: 2961 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 100.865962] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 100.872567] Call Trace: # [ 100.875319] dump_stack+0x77/0x9b # [ 100.879019] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 100.884174] direct_entry.cold+0x2c/0x38 # [ 100.888553] full_proxy_write+0x56/0x80 # [ 100.892839] vfs_write+0xea/0x3a0 # [ 100.896543] ksys_write+0x68/0xf0 # [ 100.900248] do_syscall_64+0x33/0x40 # [ 100.904240] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 100.909883] RIP: 0033:0x7fbcc25a18f3 # [ 100.913879] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 100.934840] RSP: 002b:00007ffe4e62eca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.943305] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbcc25a18f3 # [ 100.951278] RDX: 0000000000000012 RSI: 00007fbcc2494000 RDI: 0000000000000001 # [ 100.959251] RBP: 00007fbcc2494000 R08: 00007fbcc2493010 R09: 0000000000000000 # [ 100.967226] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 100.975199] 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 [ 101.323867] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 101.330235] lkdtm: Calling matched prototype ... [ 101.335419] lkdtm: Calling mismatched prototype ... [ 101.340899] lkdtm: Fail: survived mismatched prototype function call! # [ 101.323867] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 101.330235] lkdtm: Calling matched prototype ... # [ 101.335419] lkdtm: Calling mismatched prototype ... # [ 101.340899] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #