[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 105 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 13062 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 = 0x3 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) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 31 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 269014 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 4858 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 53278 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 14097 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 10011 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 14101 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 18197 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 18194 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 14117 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 11290 usecs scan_bus: scanning of bus DOMAIN: 0000 took 393128 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 413169 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 2022-06-28 03:39:05 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-06-28 03:39:05 UTC ELOG: Event(AA) added with size 11 at 2022-06-28 03:39:05 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 703749 exit 96583 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 1 link: 0 PCI: 00:14.0 read_resources bus 1 link: 0 done PCI: 00:16.0 read_resources bus 1 link: 0 PCI: 00:16.0 read_resources bus 1 link: 0 done PCI: 00:16.2 read_resources bus 2 link: 0 PCI: 00:16.2 read_resources bus 2 link: 0 done PCI: 00:16.3 read_resources bus 3 link: 0 PCI: 00:16.3 read_resources bus 3 link: 0 done PCI: 00:17.0 read_resources bus 4 link: 0 PCI: 00:17.0 read_resources bus 4 link: 0 done PCI: 00:17.1 read_resources bus 5 link: 0 PCI: 00:17.1 read_resources bus 5 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18 PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io PCI: 00:1f.1 20 * [0x40 - 0x5f] io DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:14.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:03.0 10 * [0x11000000 - 0x11ffffff] mem PCI: 00:00.2 18 * [0x12000000 - 0x127fffff] mem PCI: 00:00.2 10 * [0x12800000 - 0x128fffff] mem PCI: 00:0e.0 20 * [0x12900000 - 0x129fffff] mem PCI: 00:14.0 20 * [0x12a00000 - 0x12afffff] mem PCI: 00:15.0 10 * [0x12b00000 - 0x12b0ffff] mem PCI: 00:00.1 10 * [0x12b10000 - 0x12b17fff] mem PCI: 00:0e.0 10 * [0x12b18000 - 0x12b1bfff] mem PCI: 00:0d.1 18 * [0x12b1c000 - 0x12b1cfff] mem PCI: 00:0d.2 10 * [0x12b1d000 - 0x12b1dfff] mem PCI: 00:0f.0 10 * [0x12b1e000 - 0x12b1efff] mem PCI: 00:0f.1 10 * [0x12b1f000 - 0x12b1ffff] mem PCI: 00:0f.2 10 * [0x12b20000 - 0x12b20fff] mem PCI: 00:16.0 10 * [0x12b21000 - 0x12b21fff] mem PCI: 00:16.0 18 * [0x12b22000 - 0x12b22fff] mem PCI: 00:16.1 10 * [0x12b23000 - 0x12b23fff] mem PCI: 00:16.1 18 * [0x12b24000 - 0x12b24fff] mem PCI: 00:16.2 10 * [0x12b25000 - 0x12b25fff] mem PCI: 00:16.2 18 * [0x12b26000 - 0x12b26fff] mem PCI: 00:16.3 10 * [0x12b27000 - 0x12b27fff] mem PCI: 00:16.3 18 * [0x12b28000 - 0x12b28fff] mem PCI: 00:17.0 10 * [0x12b29000 - 0x12b29fff] mem PCI: 00:17.0 18 * [0x12b2a000 - 0x12b2afff] mem PCI: 00:17.1 10 * [0x12b2b000 - 0x12b2bfff] mem PCI: 00:17.1 18 * [0x12b2c000 - 0x12b2cfff] mem PCI: 00:18.0 10 * [0x12b2d000 - 0x12b2dfff] mem PCI: 00:18.0 18 * [0x12b2e000 - 0x12b2efff] mem PCI: 00:18.1 10 * [0x12b2f000 - 0x12b2ffff] mem PCI: 00:18.1 18 * [0x12b30000 - 0x12b30fff] mem PCI: 00:18.2 18 * [0x12b31000 - 0x12b31fff] mem PCI: 00:19.0 10 * [0x12b32000 - 0x12b32fff] mem PCI: 00:19.0 18 * [0x12b33000 - 0x12b33fff] mem PCI: 00:1b.0 10 * [0x12b34000 - 0x12b34fff] mem PCI: 00:1b.0 18 * [0x12b35000 - 0x12b35fff] mem PCI: 00:1c.0 10 * [0x12b36000 - 0x12b36fff] mem PCI: 00:1c.0 18 * [0x12b37000 - 0x12b37fff] mem PCI: 00:00.2 20 * [0x12b38000 - 0x12b381ff] mem PCI: 00:1f.1 10 * [0x12b39000 - 0x12b390ff] mem DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit efffffff mem (fixed) constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed) constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff Setting resources... DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff PCI: 00:02.0 20 * [0x1000 - 0x103f] io PCI: 00:1f.1 20 * [0x1040 - 0x105f] io DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff PCI: 00:02.0 18 * [0xb0000000 - 0xbfffffff] prefmem PCI: 00:02.0 10 * [0xc0000000 - 0xc0ffffff] mem PCI: 00:03.0 10 * [0xc1000000 - 0xc1ffffff] mem PCI: 00:00.2 18 * [0xc2000000 - 0xc27fffff] mem PCI: 00:00.2 10 * [0xc2800000 - 0xc28fffff] mem PCI: 00:0e.0 20 * [0xc2900000 - 0xc29fffff] mem PCI: 00:14.0 20 * [0xc2a00000 - 0xc2afffff] mem PCI: 00:15.0 10 * [0xc2b00000 - 0xc2b0ffff] mem PCI: 00:00.1 10 * [0xc2b10000 - 0xc2b17fff] mem PCI: 00:0e.0 10 * [0xc2b18000 - 0xc2b1bfff] mem PCI: 00:0d.1 18 * [0xc2b1c000 - 0xc2b1cfff] mem PCI: 00:0d.2 10 * [0xc2b1d000 - 0xc2b1dfff] mem PCI: 00:0f.0 10 * [0xc2b1e000 - 0xc2b1efff] mem PCI: 00:0f.1 10 * [0xc2b1f000 - 0xc2b1ffff] mem PCI: 00:0f.2 10 * [0xc2b20000 - 0xc2b20fff] mem PCI: 00:16.0 10 * [0xc2b21000 - 0xc2b21fff] mem PCI: 00:16.0 18 * [0xc2b22000 - 0xc2b22fff] mem PCI: 00:16.1 10 * [0xc2b23000 - 0xc2b23fff] mem PCI: 00:16.1 18 * [0xc2b24000 - 0xc2b24fff] mem PCI: 00:16.2 10 * [0xc2b25000 - 0xc2b25fff] mem PCI: 00:16.2 18 * [0xc2b26000 - 0xc2b26fff] mem PCI: 00:16.3 10 * [0xc2b27000 - 0xc2b27fff] mem PCI: 00:16.3 18 * [0xc2b28000 - 0xc2b28fff] mem PCI: 00:17.0 10 * [0xc2b29000 - 0xc2b29fff] mem PCI: 00:17.0 18 * [0xc2b2a000 - 0xc2b2afff] mem PCI: 00:17.1 10 * [0xc2b2b000 - 0xc2b2bfff] mem PCI: 00:17.1 18 * [0xc2b2c000 - 0xc2b2cfff] mem PCI: 00:18.0 10 * [0xc2b2d000 - 0xc2b2dfff] mem PCI: 00:18.0 18 * [0xc2b2e000 - 0xc2b2efff] mem PCI: 00:18.1 10 * [0xc2b2f000 - 0xc2b2ffff] mem PCI: 00:18.1 18 * [0xc2b30000 - 0xc2b30fff] mem PCI: 00:18.2 18 * [0xc2b31000 - 0xc2b31fff] mem PCI: 00:19.0 10 * [0xc2b32000 - 0xc2b32fff] mem PCI: 00:19.0 18 * [0xc2b33000 - 0xc2b33fff] mem PCI: 00:1b.0 10 * [0xc2b34000 - 0xc2b34fff] mem PCI: 00:1b.0 18 * [0xc2b35000 - 0xc2b35fff] mem PCI: 00:1c.0 10 * [0xc2b36000 - 0xc2b36fff] mem PCI: 00:1c.0 18 * [0xc2b37000 - 0xc2b37fff] mem PCI: 00:00.2 20 * [0xc2b38000 - 0xc2b381ff] mem PCI: 00:1f.1 10 * [0xc2b39000 - 0xc2b390ff] mem DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff PCI: 01:00.0 10 * [0xc2a00000 - 0xc2a01fff] mem PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64 PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64 PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64 PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0 PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2 PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64 PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64 PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PNP: 0c09.0 missing set_resources PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR3: base 800 size 100 LPC: Cannot open IO window: 900 size ff No more IO windows PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10 PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18 PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10 PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24 PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10 PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10 PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10 PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10 PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10 PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10 PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10 PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10 PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10 PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10 PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10 PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10 PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2959738 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 112668 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2144 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 2 apic_id 4. AP: slot 3 apic_id 2. AP: slot 1 apic_id 6. 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 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afff800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #3 Initializing CPU #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #2 CPU #3 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized CPU #2 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 469055 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2237 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2232 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2240 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2237 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2234 usecs PCI: 00:0d.1 init ... gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000 gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000 gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000 Disabling ACPI via APMC:Done. SLP S3 assertion width: 50000 usecs PCI: 00:0d.1 init finished in 27401 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2236 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2249 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2237 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2236 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2247 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6128 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6128 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6128 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6128 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6128 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6134 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2237 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2236 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 2236 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2247 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 42250 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 4999 run 883015 exit 890 ELOG: Event(A1) added with size 10 at 2022-06-28 03:39:09 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-06-28 03:39:09 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 24896 run 3951 exit 5267 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, 0x5cc bytes, checksum 4fa0 coreboot table: 1508 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 GNVS PTR 8. 7affe980 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 814086 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 176 run 108227 exit 29986 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 6694087/tftp-deploy-8chu6gwk/kernel/bzImage 6694087/tftp-deploy-8chu6gwk/kernel/cmdline 6694087/tftp-deploy-8chu6gwk/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6694087/tftp-deploy-8chu6gwk/kernel/bzImoy-8chu6gwk/kernel/cmdline 6694087/tftp-deploy-8chu6gwk/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6694087/tftp-deploy-8chu6gwk/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 ################################################################ done. The bootfile was 13099584 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: 6694087/tftp-deploy-8chu6gwk/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/6694087/extract-nfsrootfs-rb6q13mw,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: 22062827 Starting kernel ... [ 0.000000] Linux version 5.10.125-cip10 (KernelCI@build-j267408-x86-64-gcc-10-x86-64-defconfig-x86-chromeboojxxzv) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jun 28 03:26:39 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/6694087/extract-nfsrootfs-rb6q13mw,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 [ 0.000055] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000303] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001121] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.004920] check: Scanning 1 areas for low memory corruption [ 0.004933] Using GB pages for direct mapping [ 0.005479] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.005487] ACPI: Early table checksum verification disabled [ 0.005495] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005506] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005519] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005532] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005543] ACPI: FACS 0x000000007AB10240 000040 [ 0.005551] ACPI: FACS 0x000000007AB10240 000040 [ 0.005560] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005570] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005580] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005589] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005599] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005609] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005618] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005622] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005626] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005630] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005634] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005638] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005641] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005645] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005649] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005653] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.005773] No NUMA configuration found [ 0.005778] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.005787] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] [ 0.005831] Zone ranges: [ 0.005836] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.005842] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.005848] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.005854] Movable zone start for each node [ 0.005857] Early memory node ranges [ 0.005861] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.005866] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.005869] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.005873] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.005879] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.005909] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.005959] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012677] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020143] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020175] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020472] ACPI: PM-Timer IO Port: 0x408 [ 0.020543] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020559] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020565] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020577] Using ACPI (MADT) for SMP configuration information [ 0.020582] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020593] TSC deadline timer available [ 0.020599] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020630] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020636] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020641] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020646] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020649] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020653] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020657] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020660] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020664] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020668] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020671] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020675] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020682] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020691] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.028952] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.029580] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.029672] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.029682] Policy zone: Normal [ 0.029702] 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/6694087/extract-nfsrootfs-rb6q13mw,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.030657] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031102] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031167] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064291] Memory: 3875236K/4071724K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196228K reserved, 0K cma-reserved) [ 0.064443] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.064501] Kernel/User page tables isolation: enabled [ 0.064570] ftrace: allocating 52715 entries in 206 pages [ 0.087591] ftrace: allocated 206 pages with 5 groups [ 0.087930] Running RCU self tests [ 0.087948] rcu: Hierarchical RCU implementation. [ 0.087952] rcu: RCU event tracing is enabled. [ 0.087955] rcu: RCU lockdep checking is enabled. [ 0.087959] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.087964] Rude variant of Tasks RCU enabled. [ 0.087967] Tracing variant of Tasks RCU enabled. [ 0.087971] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.087975] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.096051] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.096483] random: crng init done [ 0.096595] Console: colour dummy device 80x25 [ 0.165744] printk: console [ttyS2] enabled [ 0.166105] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.166758] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.167107] ... MAX_LOCK_DEPTH: 48 [ 0.167470] ... MAX_LOCKDEP_KEYS: 8192 [ 0.167839] ... CLASSHASH_SIZE: 4096 [ 0.168215] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.168592] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.168969] ... CHAINHASH_SIZE: 32768 [ 0.169359] memory used by lock dependency info: 6365 kB [ 0.169812] memory used for stack traces: 4224 kB [ 0.170227] per task-struct memory footprint: 1920 bytes [ 0.170753] ACPI: Core revision 20200925 [ 0.171445] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.172290] APIC: Switch to symmetric I/O mode setup [ 0.177311] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.182281] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.183170] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.184158] pid_max: default: 32768 minimum: 301 [ 0.185234] LSM: Security Framework initializing [ 0.185660] SELinux: Initializing. [ 0.186207] LSM support for eBPF active [ 0.186578] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.187171] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.189126] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.189266] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.190156] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.190665] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.191159] Spectre V2 : Mitigation: Retpolines [ 0.191545] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.192157] Speculative Store Bypass: Vulnerable [ 0.193319] Freeing SMP alternatives memory: 44K [ 0.195463] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.197060] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.197169] ... version: 4 [ 0.197523] ... bit width: 48 [ 0.197878] ... generic registers: 4 [ 0.198160] ... value mask: 0000ffffffffffff [ 0.198619] ... max period: 00007fffffffffff [ 0.199067] ... fixed-purpose events: 3 [ 0.199159] ... event mask: 000000070000000f [ 0.200108] rcu: Hierarchical SRCU implementation. [ 0.201999] smp: Bringing up secondary CPUs ... [ 0.202995] x86: Booting SMP configuration: [ 0.203175] .... node #0, CPUs: #1 #2 #3 [ 0.206301] smp: Brought up 1 node, 4 CPUs [ 0.207165] smpboot: Max logical packages: 1 [ 0.207542] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.210160] devtmpfs: initialized [ 0.210826] x86/mm: Memory block size: 128MB [ 0.215269] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.216172] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.217254] pinctrl core: initialized pinctrl subsystem [ 0.218074] PM: RTC time: 03:39:26, date: 2022-06-28 [ 0.218721] NET: Registered protocol family 16 [ 0.219849] audit: initializing netlink subsys (disabled) [ 0.220249] audit: type=2000 audit(1656387566.042:1): state=initialized audit_enabled=0 res=1 [ 0.220943] thermal_sys: Registered thermal governor 'step_wise' [ 0.220965] thermal_sys: Registered thermal governor 'user_space' [ 0.222260] cpuidle: using governor menu [ 0.223394] ACPI: bus type PCI registered [ 0.223394] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.224144] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.225212] PCI: Using configuration type 1 for base access [ 0.249291] Kprobes globally optimized [ 0.250308] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.251163] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.251898] cryptomgr_test (40) used greatest stack depth: 14880 bytes left [ 0.255540] ACPI: Added _OSI(Module Device) [ 0.255915] ACPI: Added _OSI(Processor Device) [ 0.256176] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.256590] ACPI: Added _OSI(Processor Aggregator Device) [ 0.257061] ACPI: Added _OSI(Linux-Dell-Video) [ 0.257172] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.257632] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.267049] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.274650] ACPI: EC: EC started [ 0.274953] ACPI: EC: interrupt blocked [ 0.275816] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.276165] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.276793] ACPI: Interpreter enabled [ 0.277172] ACPI: (supports S0 S3 S5) [ 0.277499] ACPI: Using IOAPIC for interrupt routing [ 0.277979] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.280035] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.284247] ACPI: Power Resource [PXP] (on) [ 0.307161] ACPI: Power Resource [PRIC] (on) [ 0.333688] ACPI: Power Resource [PRIC] (on) [ 0.404615] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.405161] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.406218] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.407606] PCI host bridge to bus 0000:00 [ 0.407971] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.408162] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.408743] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.409162] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.409800] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.411163] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.411712] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.413074] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.413200] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.414464] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.414996] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.415175] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.415771] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.417645] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.418181] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.418769] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.419169] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.420167] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.420700] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.421746] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.422196] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.422827] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.423292] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.424520] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.425076] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.426332] pci 0000:00:0f.0: PME# supported from D3hot [ 0.427301] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.428033] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.428840] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.429198] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.429938] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.431814] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.432200] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.432804] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.433835] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.434199] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.434803] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.435844] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.437199] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.437800] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.438825] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.439207] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.439801] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.440862] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.441200] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.441804] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.443832] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.444198] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.444802] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.445860] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.446198] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.446802] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.448827] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.449200] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.449802] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.450831] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.451198] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.451803] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.452879] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.454200] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.454798] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.455869] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.456191] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.456786] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.457802] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.458193] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.458789] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.460950] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.462028] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.462231] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.462890] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.464314] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.465366] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.466775] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.468354] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.470122] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.472125] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.472172] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.480152] ACPI: EC: interrupt unblocked [ 0.481162] ACPI: EC: event unblocked [ 0.481508] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.481951] ACPI: EC: GPE=0x2b [ 0.482165] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.482770] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.484232] iommu: Default domain type: Translated [ 0.485235] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.485770] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.486188] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.486681] vgaarb: loaded [ 0.487477] SCSI subsystem initialized [ 0.488242] ACPI: bus type USB registered [ 0.488722] usbcore: registered new interface driver usbfs [ 0.489217] usbcore: registered new interface driver hub [ 0.489718] usbcore: registered new device driver usb [ 0.490284] pps_core: LinuxPPS API ver. 1 registered [ 0.490706] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.491172] PTP clock support registered [ 0.492433] Advanced Linux Sound Architecture Driver Initialized. [ 0.493655] NetLabel: Initializing [ 0.493958] NetLabel: domain hash size = 128 [ 0.494159] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.494713] NetLabel: unlabeled traffic allowed by default [ 0.496278] PCI: Using ACPI for IRQ routing [ 0.526645] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.528259] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.528816] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.531272] clocksource: Switched to clocksource tsc-early [ 0.952798] VFS: Disk quotas dquot_6.6.0 [ 0.953206] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.954195] pnp: PnP ACPI init [ 0.955309] system 00:00: [io 0x0900-0x09fe] has been reserved [ 0.956098] system 00:01: [io 0x0200] has been reserved [ 0.956569] system 00:01: [io 0x0204] has been reserved [ 0.957024] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.957547] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.960385] pnp: PnP ACPI: found 3 devices [ 0.975873] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.976759] NET: Registered protocol family 2 [ 0.977348] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.979455] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.980434] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.981380] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.983960] TCP: Hash tables configured (established 32768 bind 32768) [ 0.985047] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.986021] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.986892] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.987971] NET: Registered protocol family 1 [ 0.989216] RPC: Registered named UNIX socket transport module. [ 0.989748] RPC: Registered udp transport module. [ 0.990171] RPC: Registered tcp transport module. [ 0.990582] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.991683] NET: Registered protocol family 44 [ 0.992100] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.992563] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.993153] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.993685] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 0.994220] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.994807] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 0.995400] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 0.995986] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 0.996759] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.000118] PCI: CLS 64 bytes, default 64 [ 1.000910] Unpacking initramfs... [ 1.219493] Freeing initrd memory: 8312K [ 1.219925] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.220515] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.221511] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.222235] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.222730] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.223219] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.223678] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.225452] kvm: already loaded the other module [ 1.225859] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.226756] clocksource: Switched to clocksource tsc [ 1.227289] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.230415] check: Scanning for low memory corruption every 60 seconds [ 1.233609] Initialise system trusted keyrings [ 1.234315] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.252991] NFS: Registering the id_resolver key type [ 1.253506] Key type id_resolver registered [ 1.253891] Key type id_legacy registered [ 1.265695] Key type asymmetric registered [ 1.266089] Asymmetric key parser 'x509' registered [ 1.266596] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.267252] io scheduler mq-deadline registered [ 1.267646] io scheduler kyber registered [ 1.268252] test_firmware: interface ready [ 1.269472] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.271261] ACPI: AC Adapter [AC] (on-line) [ 1.271967] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.273560] ACPI: Lid Switch [LID0] [ 1.274071] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.274956] ACPI: Power Button [PWRB] [ 1.275490] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.276402] ACPI: Sleep Button [SLP] [ 1.276919] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.277757] ACPI: Power Button [PWRF] [ 1.278347] ACPI: \_PR_.CP00: Found 3 idle states [ 1.279506] ACPI: \_PR_.CP01: Found 3 idle states [ 1.280391] ACPI: \_PR_.CP02: Found 3 idle states [ 1.281262] ACPI: \_PR_.CP03: Found 3 idle states [ 1.282955] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.286083] Non-volatile memory driver v1.3 [ 1.286096] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.286646] Linux agpgart interface v0.103 [ 1.290561] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.344593] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x54a7 [ 1.345377] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.346097] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.347466] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.348362] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.349348] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.401332] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.404701] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.420484] loop: module loaded [ 1.421461] lkdtm: No crash points registered, enable through debugfs [ 1.473998] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.477770] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.481047] printk: console [ttyS2] disabled [ 1.481727] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.353005] printk: console [ttyS2] enabled [ 4.353159] fbcon: i915drmfb (fb0) is primary device [ 4.355294] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.363472] e100: Intel(R) PRO/100 Network Driver [ 4.363476] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.363530] e1000: Intel(R) PRO/1000 Network Driver [ 4.363532] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.363606] e1000e: Intel(R) PRO/1000 Network Driver [ 4.363608] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.363685] sky2: driver version 1.30 [ 4.363976] usbcore: registered new interface driver r8152 [ 4.364581] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.364601] ehci-pci: EHCI PCI platform driver [ 4.364664] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.364690] ohci-pci: OHCI PCI platform driver [ 4.364742] uhci_hcd: USB Universal Host Controller Interface driver [ 4.366263] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.367020] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.368272] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.368319] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.369833] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.369848] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.369852] usb usb1: Product: xHCI Host Controller [ 4.369855] usb usb1: Manufacturer: Linux 5.10.125-cip10 xhci-hcd [ 4.369857] usb usb1: SerialNumber: 0000:00:15.0 [ 4.371104] hub 1-0:1.0: USB hub found [ 4.371244] hub 1-0:1.0: 8 ports detected [ 4.373146] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.373625] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.373639] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.373932] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.373939] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.373942] usb usb2: Product: xHCI Host Controller [ 4.373945] usb usb2: Manufacturer: Linux 5.10.125-cip10 xhci-hcd [ 4.373948] usb usb2: SerialNumber: 0000:00:15.0 [ 4.374909] hub 2-0:1.0: USB hub found [ 4.374985] hub 2-0:1.0: 7 ports detected [ 4.376666] usbcore: registered new interface driver usblp [ 4.376722] usbcore: registered new interface driver usb-storage [ 4.377093] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.377241] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.377244] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.377805] i8042: Warning: Keylock active [ 4.378056] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.380522] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.382308] rtc_cmos rtc_cmos: registered as rtc0 [ 4.382447] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.382779] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.384468] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.384473] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.384507] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.384562] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.384583] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.384586] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.385493] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.385540] intel_pstate: Intel P-state driver initializing [ 4.385795] Console: switching to colour frame buffer device 240x67 [ 4.388394] sdhci: Secure Digital Host Controller Interface driver [ 4.388402] sdhci: Copyright(c) Pierre Ossman [ 4.388616] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.396905] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.403304] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.404349] hid: raw HID events driver (C) Jiri Kosina [ 4.407010] usbcore: registered new interface driver usbhid [ 4.407017] usbhid: USB HID core driver [ 4.409271] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.416647] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.420293] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.429366] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.611277] mmc0: new HS400 MMC card at address 0001 [ 4.625033] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.625698] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.627343] gre: GRE over IPv4 demultiplexor driver [ 4.630686] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 4.631278] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 4.631848] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 4.632917] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 4.639053] ip_gre: GRE over IPv4 tunneling driver [ 4.643333] IPv4 over IPsec tunneling driver [ 4.652631] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.655514] Initializing XFRM netlink socket [ 4.742269] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 4.751469] NET: Registered protocol family 10 [ 4.909012] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 4.915715] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 4.915730] Segment Routing with IPv6 [ 4.916200] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 4.925056] ip6_gre: GRE over IPv6 tunneling driver [ 4.927925] usb 1-5: Product: USB2.0 HD UVC WebCam [ 4.927937] usb 1-5: Manufacturer: Quanta [ 4.936369] NET: Registered protocol family 17 [ 4.942849] usb 1-5: SerialNumber: 0x0001 [ 5.001642] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.006608] Key type dns_resolver registered [ 5.046134] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.047098] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.055677] microcode: Microcode Update Driver: v2.2. [ 5.061528] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.061539] usb 2-5: Product: USB 10/100/1000 LAN [ 5.061547] usb 2-5: Manufacturer: Realtek [ 5.061561] usb 2-5: SerialNumber: 001000001 [ 5.067292] IPI shorthand broadcast: enabled [ 5.095224] sched_clock: Marking stable (5013441309, 81728551)->(5100704900, -5535040) [ 5.105128] registered taskstats version 1 [ 5.109809] Loading compiled-in X.509 certificates [ 5.132451] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.151831] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.160250] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.177433] PM: Magic number: 10:552:665 [ 5.182607] printk: console [netcon0] enabled [ 5.187543] netconsole: network logging started [ 5.301227] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.310476] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.325028] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.417248] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.450688] r8152 2-5:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.460708] r8152 2-5:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.507860] r8152 2-5:1.0 eth0: v1.11.11 [ 5.513652] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.514660] IP-Config: Failed to open gretap0 [ 5.526912] IP-Config: Failed to open erspan0 [ 5.551221] Sending DHCP requests . [ 7.130643] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.142518] r8152 2-5:1.0 eth0: carrier on [ 8.431482] ., OK [ 8.441832] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 [ 8.450878] IP-Config: Complete: [ 8.454544] device=eth0, hwaddr=00:e0:4c:68:0d:ad, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 [ 8.466285] host=asus-C523NA-A20057-coral-cbg-4, domain=lava-rack, nis-domain=(none) [ 8.475495] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.475505] nameserver0=192.168.201.1 [ 8.489053] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.513706] modprobe (101) used greatest stack depth: 14208 bytes left [ 8.531282] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.539848] ALSA device list: [ 8.539883] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.543352] No soundcards found. [ 8.553085] cfg80211: failed to load regulatory.db [ 8.564250] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 8.587833] Freeing unused kernel image (initmem) memory: 1688K [ 8.606682] Write protecting the kernel read-only data: 26624k [ 8.618927] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.627554] Freeing unused kernel image (rodata/data gap) memory: 152K [ 8.635299] Run /init as init process [ 8.669078] cat (111) used greatest stack depth: 14016 bytes left Loading, please wait... Starting version 247.3-7 [ 8.745341] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 9.050857] udevadm (125) used greatest stack depth: 13576 bytes left [ 9.982211] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.995951] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.099712] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.324957] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.342836] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.360948] 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: eth0 hardware address 00:e0:4c:68:0d:ad mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 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-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.591256] nfsmount (160) 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 [ 12.340198] systemd[1]: systemd 247.3-7 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) [ 12.380154] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 12.422600] systemd[1]: Set hostname to . [ 13.994004] systemd[1]: Queued start job for default target Graphical Interface. [ 14.012453] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 14.031794] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 14.051059] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 14.070771] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 14.089316] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 14.109871] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 14.132413] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 14.156032] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 14.173041] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 14.184910] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 14.201876] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 14.213928] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 14.227236] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 14.248133] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 14.268234] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 14.287016] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 14.302966] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 14.326986] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 14.345570] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 14.370240] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 14.393345] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 14.418385] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 14.445295] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 14.470885] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 14.500398] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 14.526678] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 14.556722] systemd[1]: Starting Load Kernel Module fuse... [ 14.561732] mount (187) used greatest stack depth: 12528 bytes left Starting [0;1;39mLoad Kernel Module fuse[0m... [ 14.590399] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.619412] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 14.644114] fuse: init (API version 7.32) [ 14.650028] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 14.670869] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 14.701063] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 14.748806] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 14.765970] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 14.784896] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 14.802512] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 14.825004] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 14.849386] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.866626] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 14.893038] systemd[1]: modprobe@drm.service: Succeeded. [ 14.902538] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 14.925453] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.935598] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 14.957052] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 14.976665] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 15.004920] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 15.026273] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 15.053772] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 15.066445] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 15.084149] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 15.108308] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 15.134977] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 15.176390] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 15.192812] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 15.230123] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 15.249405] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 15.269592] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 15.418408] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 15.441578] systemd[1]: Starting Create Static Device Nodes in /dev... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 15.465527] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [ 15.592884] systemd-journald[197]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Found device [0;1;39mCeleron N3350…3900 Series HSUART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS2[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.125-cip10 #1 SMP Tue Jun 28 03:26:39 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/6694087/extract-nfsrootfs-rb6q13mw' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6694087/extract-nfsrootfs-rb6q13mw' / # 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-6694087/environment . /lava-6694087/environment / # /lava-6694087/bin/lava-test-runner /lava-6694087/0 /lava-6694087/bin/lava-test-runner /lava-6694087/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6694087/0/tests/0_timesync-off ++ cat uuid + UUID=6694087_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6694087/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6694087_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/linux-5.10.y-cip/v5.10.125-cip10/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 -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6694087/0/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). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-06-28 03:40:14-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.125-cip10/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: 3499916 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 177KB/s kselftest.tar.xz 5%[> ] 203.35K 358KB/s kselftest.tar.xz 22%[===> ] 784.53K 871KB/s kselftest.tar.xz 55%[==========> ] 1.87M 1.63MB/s kselftest.tar.xz 89%[================> ] 2.97M 2.08MB/s kselftest.tar.xz 100%[===================>] 3.34M 2.27MB/s in 1.5s 2022-06-28 03:40:16 (2.27 MB/s) - 'kselftest.tar.xz' saved [3499916/3499916] 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 ======================================== [ 65.315413] 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 [ 65.969467] lkdtm: Performing direct entry BUG [ 65.974830] ------------[ cut here ]------------ [ 65.980686] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 65.986649] invalid opcode: 0000 [#1] SMP PTI [ 65.991544] CPU: 0 PID: 721 Comm: cat Not tainted 5.10.125-cip10 #1 [ 65.998571] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.005211] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.009613] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 66.030668] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 66.036519] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.044511] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 66.052510] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 66.060507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.068509] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 66.076508] FS: 00007f029f6b4580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 66.085579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.092022] CR2: 00007f029f4cd000 CR3: 0000000103548000 CR4: 00000000003506f0 [ 66.100020] Call Trace: [ 66.102772] direct_entry.cold+0x2c/0x38 [ 66.107169] full_proxy_write+0x56/0x80 [ 66.111475] vfs_write+0xea/0x390 [ 66.115195] ksys_write+0x68/0xe0 [ 66.118916] do_syscall_64+0x33/0x40 [ 66.122926] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.128593] RIP: 0033:0x7f029f5dcf33 [ 66.132594] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.153647] RSP: 002b:00007ffcafcbc3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.162136] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f029f5dcf33 [ 66.170134] RDX: 0000000000000004 RSI: 00007f029f4cd000 RDI: 0000000000000001 [ 66.178133] RBP: 00007f029f4cd000 R08: 00007f029f4cc010 R09: 0000000000000000 [ 66.186135] R10: 00007f029f6d71c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.194133] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.202138] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.218201] ---[ end trace 509b96459c42c861 ]--- [ 66.223403] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.227816] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 66.248892] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 66.254770] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.262800] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 66.270818] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 66.278833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.286865] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 66.294889] FS: 00007f029f6b4580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 66.303982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.310444] CR2: 00007f029f4cd000 CR3: 0000000103548000 CR4: 00000000003506f0 # Segmentation fault # [ 65.969467] lkdtm: Performing direct entry BUG # [ 65.974830] ------------[ cut here ]------------ # [ 65.980686] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 65.986649] invalid opcode: 0000 [#1] SMP PTI # [ 65.991544] CPU: 0 PID: 721 Comm: cat Not tainted 5.10.125-cip10 #1 # [ 65.998571] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.005211] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.009613] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 66.030668] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 66.036519] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.044511] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 66.052510] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 66.060507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.068509] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 66.076508] FS: 00007f029f6b4580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 66.085579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.092022] CR2: 00007f029f4cd000 CR3: 0000000103548000 CR4: 00000000003506f0 # [ 66.100020] Call Trace: # [ 66.102772] direct_entry.cold+0x2c/0x38 # [ 66.107169] full_proxy_write+0x56/0x80 # [ 66.111475] vfs_write+0xea/0x390 # [ 66.115195] ksys_write+0x68/0xe0 # [ 66.118916] do_syscall_64+0x33/0x40 # [ 66.122926] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.128593] RIP: 0033:0x7f029f5dcf33 # [ 66.132594] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.153647] RSP: 002b:00007ffcafcbc3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.162136] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f029f5dcf33 # [ 66.170134] RDX: 0000000000000004 RSI: 00007f029f4cd000 RDI: 0000000000000001 # [ 66.178133] RBP: 00007f029f4cd000 R08: 00007f029f4cc010 R09: 0000000000000000 # [ 66.186135] R10: 00007f029f6d71c0 R11: 0000000000000246 [ 66.576225] lkdtm: Performing direct entry WARNING R12: 0000000000000001 # [ 66.194133] R13: 0000000000000001 R1[ 66.587228] ------------[ cut here ]------------ 4: 0000000000020000 R15: 0000000000020000 # [ 66.202138] Modu[ 66.598692] WARNING: CPU: 1 PID: 757 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 les linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cr[ 66.614266] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.636534] CPU: 1 PID: 757 Comm: cat Tainted: G D 5.10.125-cip10 #1 [ 66.645184] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.651869] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 66.656683] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 [ 66.677757] RSP: 0018:ffffa0a2c13afe60 EFLAGS: 00010202 [ 66.683637] RAX: ffffffff878b1f60 RBX: 0000000000000002 RCX: 0000000000000000 [ 66.691646] RDX: 0000000000000000 RSI: ffff8a417bc9bf70 RDI: ffffffff884d9a80 [ 66.699659] RBP: ffffffff888c007f R08: 0000000000000000 R09: 0000000000000000 [ 66.707677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 66.715696] R13: ffffa0a2c13aff10 R14: ffffa0a2c13aff10 R15: ffff8a41039a3000 [ 66.723717] FS: 00007f5b9c866580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 66.732811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.739267] CR2: 00007f5b9c67f000 CR3: 0000000105aea000 CR4: 00000000003506e0 os_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cr[ 66.747281] Call Trace: [ 66.756265] direct_entry.cold+0x2c/0x38 [ 66.760690] full_proxy_write+0x56/0x80 [ 66.765016] vfs_write+0xea/0x390 [ 66.768744] ksys_write+0x68/0xe0 [ 66.772486] do_syscall_64+0x33/0x40 [ 66.776519] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.782207] RIP: 0033:0x7f5b9c78ef33 [ 66.786240] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.807304] RSP: 002b:00007ffe8bc93d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.815809] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5b9c78ef33 [ 66.823815] RDX: 0000000000000008 RSI: 00007f5b9c67f000 RDI: 0000000000000001 [ 66.831832] RBP: 00007f5b9c67f000 R08: 00007f5b9c67e010 R09: 0000000000000000 [ 66.839847] R10: 00007f5b9c8891c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.847864] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.855887] irq event stamp: 0 [ 66.859327] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.866379] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 os_usbpd_notify # [ 66.218201] ---[ end trace 509b96459c42c86[ 66.875575] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 1 ]--- # [ 66.223403] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.[ 66.890971] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.904231] ---[ end trace 509b96459c42c862 ]--- 227816] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 66.248892] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 66.254770] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.262800] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 66.270818] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 66.278833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.286865] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 66.294889] FS: 00007f029f6b4580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 66.303982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.310444] CR2: 00007f029f4cd000 CR3: 0000000103548000 CR4: 00000000003506f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 66.576225] lkdtm: Performing direct entry WARNING # [ 66.587228] ------------[ cut here ]------------ # [ 66.598692] WARNING: CPU: 1 PID: 757 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 66.614266] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.636534] CPU: 1 PID: 757 Comm: cat Tainted: G D 5.10.125-cip10 #1 # [ 66.645184] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.651869] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 66.656683] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 66.677757] RSP: 0018:ffffa0a2c13afe60 EFLAGS: 00010202 # [ 66.683637] RAX: ffffffff878b1f60 RBX: 0000000000000002 RCX: 0000000000000000 # [ 66.691646] RDX: 0000000000000000 RSI: ffff8a417bc9bf70 RDI: ffffffff884d9a80 # [ 66.699659] RBP: ffffffff888c007f R08: 0000000000000000 R09: 0000000000000000 # [ 66.707677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 66.715696] R13: ffffa0a2c13aff10 R14: ffffa0a2c13aff10 R15: ffff8a41039a3000 # [ 66.723717] FS: 00007f5b9c866580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 66.732811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.739267] CR2: 00007f5b9c67f000 CR3: 0000000105aea000 CR4: 00000000003506e0 # [ 66.747281] Call Trace: # [ 66.756265] direct_entry.cold+0x2c/0x38 # [ 66.760690] full_proxy_write+0x56/0x80[ 67.170263] lkdtm: Performing direct entry WARNING_MESSAGE [ 67.177415] ------------[ cut here ]------------ [ 67.182620] Warning message trigger count: 2 # [ 66.765016] vfs_write+0xea/0x390 # [ 66.768744] ksys[ 67.187489] WARNING: CPU: 2 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 67.203991] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.220042] CPU: 2 PID: 792 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 67.228655] Hardware name: Google Coral/Coral, BIOS 09/29/2020 _write+0x68/0xe0 # [ 66.772486] do_syscall_64+0x33/0x40 # [[ 67.235321] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 67.247227] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 a1 15 70 02 48 c7 c7 e0 05 8c 88 8d 70 01 89 35 91 15 70 02 e8 bc b4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 66.776519] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 6[ 67.268300] RSP: 0018:ffffa0a2c142fe60 EFLAGS: 00010286 [ 67.280416] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 67.288434] RDX: ffff8a417bd2c660 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 [ 67.296472] RBP: ffffffff888c0087 R08: 0000000000000000 R09: 0000000000000000 [ 67.304493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 67.312512] R13: ffffa0a2c142ff10 R14: ffffa0a2c142ff10 R15: ffff8a4103694000 [ 67.320530] FS: 00007fabfa4d2580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 [ 67.329619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.336081] CR2: 00007fabfa2eb000 CR3: 0000000105a44000 CR4: 00000000003506e0 [ 67.344095] Call Trace: [ 67.346862] direct_entry.cold+0x2c/0x38 6.782207] RIP: 0033:0x7f5b9c78ef33 # [ 66.786240] Code: 8b 15[ 67.351286] full_proxy_write+0x56/0x80 [ 67.361835] vfs_write+0xea/0x390 [ 67.365577] ksys_write+0x68/0xe0 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 [ 67.369310] do_syscall_64+0x33/0x40 [ 67.379581] entry_SYSCALL_64_after_hwframe+0x44/0xa9 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d[ 67.385269] RIP: 0033:0x7fabfa3faf33 [ 67.395534] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.416607] RSP: 002b:00007ffe9276d148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.425125] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fabfa3faf33 [ 67.433144] RDX: 0000000000000010 RSI: 00007fabfa2eb000 RDI: 0000000000000001 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.441179] RBP: 00007fabfa2eb000 R08: 00007fabfa2ea010 R09: 0000000000000000 [ 66.807304] RSP: 002b:00007ffe8bc93d68 EFLAGS: 00000246 ORIG_[ 67.455409] R10: 00007fabfa4f51c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.469658] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.477689] irq event stamp: 0 [ 67.481136] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.488197] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.497393] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.506629] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.513705] ---[ end trace 509b96459c42c863 ]--- RAX: 0000000000000001 # [ 66.815809] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5b9c78ef33 # [ 66.823815] RDX: 0000000000000008 RSI: 00007f5b9c67f000 RDI: 0000000000000001 # [ 66.831832] RBP: 00007f5b9c67f000 R08: 00007f5b9c67e010 R09: 0000000000000000 # [ 66.839847] R10: 00007f5b9c8891c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.847864] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.855887] irq event stamp: 0 # [ 66.859327] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.866379] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.875575] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.890971] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.904231] ---[ end trace 509b96459c42c862 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 67.170263] lkdtm: Performing direct entry WARNING_MESSAGE # [ 67.177415] ------------[ cut here ]------------ # [ 67.182620] Warning message trigger count: 2 # [ 67.187489] WARNING: CPU: 2 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 67.203991] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.220042] CPU: 2 PID: 792 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 67.228655] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.235321] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 67.247227] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 a1 15 70 02 48 c7 c7 e0 05 8c 88 8d 70 01 89 35 91 15 70 02 e8 bc b4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 67.268300] RSP: 0018:ffffa0a2c142fe60 EFLAGS: 00010286 # [ 67.280416] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 67.288434] RDX: ffff8a417bd2c660 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 # [ 67.296472] RBP: ffffffff888c0087 R08: 0000000000000000 R09: 0000000000000000 # [ 67.304493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 67.312512] R13: ffffa0a2c142ff10 R14: ffffa0a2c142ff10 R15: ffff8a4103694000 # [ 67.320530] FS: 00007fabfa4d2580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 # [ 67.329619] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 67.761404] lkdtm: Performing direct entry EXCEPTION [ 67.767678] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 67.775485] #PF: supervisor write access in kernel mode [ 67.781337] #PF: error_code(0x0002) - not-present page [ 67.787092] PGD 0 P4D 0 [ 67.789936] Oops: 0002 [#2] SMP PTI [ 67.793846] CPU: 1 PID: 824 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 67.802418] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.809063] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 67.814045] Code: 48 c7 c7 e0 05 8c 88 8d 70 01 89 35 91 15 70 02 e8 bc b4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 67.835085] RSP: 0018:ffffa0a2c14b7e60 EFLAGS: 00010282 [ 67.840942] RAX: ffffffff878b1fb0 RBX: 0000000000000004 RCX: 0000000000000000 [ 67.848942] RDX: 0000000000000000 RSI: ffff8a417bc9bf70 RDI: ffffffff884d9aa0 [ 67.856937] RBP: ffffffff887f5c97 R08: 0000000000000000 R09: 0000000000000000 [ 67.864935] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 67.872936] R13: ffffa0a2c14b7f10 R14: ffffa0a2c14b7f10 R15: ffff8a410590e000 [ 67.880935] FS: 00007f20f8a8e580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 67.890004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.896445] CR2: 0000000000000000 CR3: 00000001041a4000 CR4: 00000000003506e0 [ 67.904446] Call Trace: 0080050033 # [ 67.336081] CR2: 00007fabfa2eb000 CR3: 00000001[ 67.907197] direct_entry.cold+0x2c/0x38 [ 67.917832] full_proxy_write+0x56/0x80 [ 67.922132] vfs_write+0xea/0x390 [ 67.925852] ksys_write+0x68/0xe0 [ 67.929573] do_syscall_64+0x33/0x40 [ 67.933584] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.939250] RIP: 0033:0x7f20f89b6f33 [ 67.943260] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.964315] RSP: 002b:00007ffea85a8078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.972796] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f20f89b6f33 [ 67.980794] RDX: 000000000000000a RSI: 00007f20f88a7000 RDI: 0000000000000001 [ 67.988795] RBP: 00007f20f88a7000 R08: 00007f20f88a6010 R09: 0000000000000000 [ 67.996794] R10: 00007f20f8ab11c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.004795] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.012807] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.028828] CR2: 0000000000000000 [ 68.032546] ---[ end trace 509b96459c42c864 ]--- [ 68.037721] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.042119] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 68.063171] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 68.069028] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.077028] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 68.085030] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 68.093026] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.101028] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 68.109031] FS: 00007f20f8a8e580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 68.118103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.124542] CR2: 0000000000000000 CR3: 00000001041a4000 CR4: 00000000003506e0 [ 68.132543] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 68.142489] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat [ 68.150875] INFO: lockdep is turned off. [ 68.155267] irq event stamp: 0 [ 68.158692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.165723] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.174891] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.184056] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.191086] CPU: 1 PID: 824 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 68.199665] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.206301] Call Trace: [ 68.209050] dump_stack+0x77/0x97 [ 68.212770] ___might_sleep.cold+0xa6/0xb6 [ 68.217367] exit_signals+0x1c/0x2d0 [ 68.221377] do_exit+0xd5/0xb00 [ 68.224891] ? ksys_write+0x68/0xe0 [ 68.228807] rewind_stack_do_exit+0x17/0x20 [ 68.233498] RIP: 0033:0x7f20f89b6f33 [ 68.237505] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.258560] RSP: 002b:00007ffea85a8078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.267049] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f20f89b6f33 [ 68.275049] RDX: 000000000000000a RSI: 00007f20f88a7000 RDI: 0000000000000001 [ 68.283048] RBP: 00007f20f88a7000 R08: 00007f20f88a6010 R09: 0000000000000000 [ 68.291046] R10: 00007f20f8ab11c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.299044] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 05a44000 CR4: 00000000003506e0 # [ 67.344095] Call Trace: # [ 67.346862] direct_entry.cold+0x2c/0x38 # [ 67.351286] full_proxy_write+0x56/0x80 # [ 67.361835] vfs_write+0xea/0x390 # [ 67.365577] ksys_write+0x68/0xe0 # [ 67.369310] do_syscall_64+0x33/0x40 # [ 67.379581] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.385269] RIP: 0033:0x7fabfa3faf33 # [ 67.395534] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.416607] RSP: 002b:00007ffe9276d148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.425125] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fabfa3faf33 # [ 67.433144] RDX: 0000000000000010 RSI: 00007fabfa2eb000 RDI: 0000000000000001 # [ 67.441179] RBP: 00007fabfa2eb000 R08: 00007fabfa2ea010 R09: 0000000000000000 # [ 67.455409] R10: 00007fabfa4f51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.469658] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.477689] irq event stamp: 0 # [ 67.481136] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.488197] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.497393] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.506629] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.513705] ---[ end trace 509b96459c42c863 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 67.761404] lkdtm: Performing direct entry EXCEPTION # [ 67.767678] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 67.775485] #PF: supervisor write access in kernel mode # [ 67.781337] #PF: error_code(0x0002) - not-present page # [ 67.787092] PGD 0 P4D 0 # [ 67.789936] Oops: 0002 [#2] SMP PTI # [ 67.793846] CPU: 1 PID: 824 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 67.802418] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.809063] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 67.814045] Code: 48 c7 c7 e0 05 8c 88 8d 70 01 89 35 91 15 70 02 e8 bc b4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 67.835085] RSP: 0018:ffffa0a2c14b7e60 EFLAGS: 00010282 # [ 67.840942] RAX: ffffffff878b1fb0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 67.848942] RDX: 0000000000000000 RSI: ffff8a417bc9bf70 RDI: ffffffff884d9aa0 # [ 67.856937] RBP: ffffffff887f5c97 R08: 0000000000000000 R09: 0000000000000000 # [ 67.864935] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 67.872936] R13: ffffa0a2c14b7f10 R14: ffffa0a2c14b7f10 R15: ffff8a410590e000 # [ 67.880935] FS: 00007f20f8a8e580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 67.890004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.896445] CR2: 0000000000000000 CR3: 00000001041a4000 CR4: 00000000003506e0 # [ 67.904446] Call Trace: # [ 67.907197] direct_entry.cold+0x2c/0x38 # [ 67.917832] full_proxy_write+0x56/0x80 # [ 67.922132] vfs_write+0xea/0x390 # [ 67.925852] ksys_write+0x68/0xe0 # [ 67.929573] do_syscall_64+0x33/0x40 # [ 67.933584] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.939250] RIP: 0033:0x7f20f89b6f33 # [ 67.943260] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.964315] RSP: 002b:00007ffea85a8078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.972796] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f20f89b6f33 # [ 67.980794] RDX: 000000000000000a RSI: 00007f20f88a7000 RDI: 0000000000000001 # [ 67.988795] RBP: 00007f20f88a7000 R08: 00007f20f88a6010 R09: 0000000000000000 # [ 67.996794] R10: 00007f20f8ab11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.004795] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.012807] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.028828] CR2: 0000000000000000 # [ 68.032546] ---[ end trace 509b96459c42c864 ]--- # [ 68.037721] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 68.042119] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 68.063171] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 68.069028] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.077028] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 68.085030] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 68.093026] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.101028] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 68.109031] FS: 00007f20f8a8e580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 68.118103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.124542] CR2: 0000000000000000 CR3: 00000001041a4000 CR4: 00000000003506e0 # [ 68.132543] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.142489] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat # [ 68.150875] INFO: lockdep is turned off. # [ 68.155267] irq event stamp: 0 # [ 68.158692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.165723] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.174891] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.184056] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.191086] CPU: 1 PID: 824 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 68.199665] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.206301] Call Trace: # [ 68.209050] dump_stack+0x77/0x97 # [ 68.212770] ___might_sleep.cold+0xa6/0xb6 # [ 68.217367] exit_signals+0x1c/0x2d0 # [ 68.221377] do_exit+0xd5/0xb00 # [ 68.224891] ? ksys_write+0x68/0xe0 # [ 68.228807] rewind_stack_do_exit+0x17/0x20 # [ 68.233498] RIP: 0033:0x7f20f89b6f33 # [ 68.237505] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.258560] RSP: 002b:00007ffea85a8078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.267049] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f20f89b6f33 # [ 68.275049] RDX: 000000000000000a RSI: 00007f20f88a7000 RDI: 0000000000000001 # [ 68.283048] RBP: 00007f20f88a7000 R08: 00007f20f88a6010 R09: 0000000000000000 # [ 68.291046] R10: 00007f20f8ab11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.299044] 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 [ 69.161469] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 69.167778] lkdtm: attempting good list addition [ 69.172987] lkdtm: attempting corrupted list addition [ 69.178713] lkdtm: list_add() corruption not detected! # [ 69.161469] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 69.167778] lkdtm: attempting good list addition # [ 69.172987] lkdtm: attempting corrupted list addition # [ 69.178713] 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 [ 69.442008] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 69.448301] lkdtm: attempting good list removal [ 69.453411] lkdtm: attempting corrupted list removal [ 69.459019] lkdtm: list_del() corruption not detected! # [ 69.442008] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 69.448301] lkdtm: attempting good list removal # [ 69.453411] lkdtm: attempting corrupted list removal # [ 69.459019] 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 [ 69.716563] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 69.723638] lkdtm: attempting bad read from page below current stack [ 69.730794] BUG: stack guard page was hit at 0000000062cf618f (stack is 00000000e344d09d..000000003f3dda16) [ 69.741714] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 69.748546] CPU: 0 PID: 1049 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 69.757225] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.763867] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 69.770400] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 80 09 8c 88 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 c0 09 8c 88 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 69.791445] RSP: 0018:ffffa0a2c17f7e50 EFLAGS: 00010246 [ 69.797303] RAX: 0000000000000038 RBX: ffffa0a2c17f4000 RCX: 0000000000000000 [ 69.805296] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff888c09c0 [ 69.813294] RBP: ffffffff888c00ea R08: 0000000000000000 R09: 0000000000000000 [ 69.821293] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 69.829294] R13: ffffa0a2c17f7f10 R14: ffffa0a2c17f7f10 R15: ffff8a4105801000 [ 69.837298] FS: 00007ff684f86580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 69.846371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.852813] CR2: ffffa0a2c17f3fff CR3: 0000000102652000 CR4: 00000000003506f0 [ 69.860810] Call Trace: [ 69.863559] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 69.868645] direct_entry.cold+0x2c/0x38 [ 69.873053] full_proxy_write+0x56/0x80 [ 69.877361] vfs_write+0xea/0x390 [ 69.881079] ksys_write+0x68/0xe0 [ 69.884801] do_syscall_64+0x33/0x40 [ 69.888812] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.894480] RIP: 0033:0x7ff684eaef33 [ 69.898490] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.919546] RSP: 002b:00007ffe3c39d808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.928038] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff684eaef33 [ 69.936040] RDX: 0000000000000019 RSI: 00007ff684d9f000 RDI: 0000000000000001 [ 69.944040] RBP: 00007ff684d9f000 R08: 00007ff684d9e010 R09: 0000000000000000 [ 69.952042] R10: 00007ff684fa91c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.960043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.968054] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.984080] ---[ end trace 509b96459c42c865 ]--- [ 69.989259] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.993648] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 70.014702] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 70.020564] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 70.028563] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 70.036561] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 70.044562] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.052564] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 70.060565] FS: 00007ff684f86580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 70.069640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.076082] CR2: ffffa0a2c17f3fff CR3: 0000000102652000 CR4: 00000000003506f0 [ 70.084085] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 70.094031] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1049, name: cat [ 70.102521] INFO: lockdep is turned off. [ 70.106915] irq event stamp: 0 [ 70.110339] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.117373] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.126537] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 70.135709] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.142732] CPU: 0 PID: 1049 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 70.151411] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.158048] Call Trace: [ 70.160796] dump_stack+0x77/0x97 [ 70.164518] ___might_sleep.cold+0xa6/0xb6 [ 70.169113] exit_signals+0x1c/0x2d0 [ 70.173123] do_exit+0xd5/0xb00 [ 70.176639] ? ksys_write+0x68/0xe0 [ 70.180547] rewind_stack_do_exit+0x17/0x20 [ 70.185235] RIP: 0033:0x7ff684eaef33 [ 70.189246] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.210296] RSP: 002b:00007ffe3c39d808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.218778] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff684eaef33 [ 70.226781] RDX: 0000000000000019 RSI: 00007ff684d9f000 RDI: 0000000000000001 [ 70.234781] RBP: 00007ff684d9f000 R08: 00007ff684d9e010 R09: 0000000000000000 [ 70.242780] R10: 00007ff684fa91c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.250781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 69.716563] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 69.723638] lkdtm: attempting bad read from page below current stack # [ 69.730794] BUG: stack guard page was hit at 0000000062cf618f (stack is 00000000e344d09d..000000003f3dda16) # [ 69.741714] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 69.748546] CPU: 0 PID: 1049 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 69.757225] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.763867] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 69.770400] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 80 09 8c 88 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 c0 09 8c 88 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 69.791445] RSP: 0018:ffffa0a2c17f7e50 EFLAGS: 00010246 # [ 69.797303] RAX: 0000000000000038 RBX: ffffa0a2c17f4000 RCX: 0000000000000000 # [ 69.805296] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff888c09c0 # [ 69.813294] RBP: ffffffff888c00ea R08: 0000000000000000 R09: 0000000000000000 # [ 69.821293] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 69.829294] R13: ffffa0a2c17f7f10 R14: ffffa0a2c17f7f10 R15: ffff8a4105801000 # [ 69.837298] FS: 00007ff684f86580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 69.846371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.852813] CR2: ffffa0a2c17f3fff CR3: 0000000102652000 CR4: 00000000003506f0 # [ 69.860810] Call Trace: # [ 69.863559] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 69.868645] direct_entry.cold+0x2c/0x38 # [ 69.873053] full_proxy_write+0x56/0x80 # [ 69.877361] vfs_write+0xea/0x390 # [ 69.881079] ksys_write+0x68/0xe0 # [ 69.884801] do_syscall_64+0x33/0x40 # [ 69.888812] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.894480] RIP: 0033:0x7ff684eaef33 # [ 69.898490] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.919546] RSP: 002b:00007ffe3c39d808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.928038] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff684eaef33 # [ 69.936040] RDX: 0000000000000019 RSI: 00007ff684d9f000 RDI: 0000000000000001 # [ 69.944040] RBP: 00007ff684d9f000 R08: 00007ff684d9e010 R09: 0000000000000000 # [ 69.952042] R10: 00007ff684fa91c0 R11: 000000000[ 70.542884] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 0000246 R12: 0000000000000001 # [ 69.960043] R13: 00000000000[ 70.555413] lkdtm: attempting bad read from page above current stack 00001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.9680[ 70.568774] BUG: stack guard page was hit at 00000000807134ae (stack is 000000006d96385f..000000007f8a7b04) [ 70.585875] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 70.592712] CPU: 3 PID: 1082 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 70.601397] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.608043] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 70.614685] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f8 09 8c 88 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 38 0a 8c 88 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 70.635727] RSP: 0018:ffffa0a2c186fe50 EFLAGS: 00010246 [ 70.641584] RAX: 0000000000000038 RBX: ffffa0a2c186c000 RCX: 0000000000000000 [ 70.649575] RDX: 0000000000000000 RSI: ffff8a417bd9bf70 RDI: ffffffff888c0a38 [ 70.657572] RBP: ffffffff888c0103 R08: 0000000000000000 R09: 0000000000000000 [ 70.665567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 70.673567] R13: ffffa0a2c186ff10 R14: ffffa0a2c186ff10 R15: ffff8a410124f000 [ 70.681566] FS: 00007fa4213a3580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 70.690639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.697081] CR2: ffffa0a2c1870000 CR3: 0000000103262000 CR4: 00000000003506e0 [ 70.705074] Call Trace: [ 70.707820] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 70.713684] direct_entry.cold+0x2c/0x38 [ 70.718088] full_proxy_write+0x56/0x80 [ 70.722395] vfs_write+0xea/0x390 [ 70.726114] ksys_write+0x68/0xe0 [ 70.729835] do_syscall_64+0x33/0x40 [ 70.733846] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.739511] RIP: 0033:0x7fa4212cbf33 [ 70.743522] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.764578] RSP: 002b:00007fffc1b5bb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.773067] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa4212cbf33 [ 70.781068] RDX: 000000000000001a RSI: 00007fa4211bc000 RDI: 0000000000000001 [ 70.789069] RBP: 00007fa4211bc000 R08: 00007fa4211bb010 R09: 0000000000000000 [ 70.797067] R10: 00007fa4213c61c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.805064] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.813070] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.829095] ---[ end trace 509b96459c42c866 ]--- [ 70.834273] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 70.838670] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 70.859725] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 70.865576] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 70.873574] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 70.881574] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 70.889577] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.897576] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 70.905578] FS: 00007fa4213a3580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 70.914650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.921090] CR2: ffffa0a2c1870000 CR3: 0000000103262000 CR4: 00000000003506e0 54] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.984080] ---[ end trace 509b96459c42c865 ]--- # [ 69.989259] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 69.993648] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 70.014702] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 70.020564] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 70.028563] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 70.036561] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 70.044562] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 70.052564] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 70.060565] FS: 00007ff684f86580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 70.069640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.076082] CR2: ffffa0a2c17f3fff CR3: 0000000102652000 CR4: 00000000003506f0 # [ 70.084085] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 70.094031] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1049, name: cat # [ 70.102521] INFO: lockdep is turned off. # [ 70.106915] irq event stamp: 0 # [ 70.110339] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.117373] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.126537] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.135709] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.142732] CPU: 0 PID: 1049 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 70.151411] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.158048] Call Trace: # [ 70.160796] dump_stack+0x77/0x97 # [ 70.164518] ___might_sleep.cold+0xa6/0xb6 # [ 70.169113] exit_signals+0x1c/0x2d0 # [ 70.173123] do_exit+0xd5/0xb00 # [ 70.176639] ? ksys_write+0x68/0xe0 # [ 70.180547] rewind_stack_do_exit+0x17/0x20 # [ 70.185235] RIP: 0033:0x7ff684eaef33 # [ 70.189246] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.210296] RSP: 002b:00007ffe3c39d808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.218778] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff684eaef33 # [ 70.226781] RDX: 0000000000000019 RSI: 00007ff684d9f000 RDI: 0000000000000001 # [ 70.234781] RBP: 00007ff684d9f000 R08: 00007ff684d9e010 R09: 0000000000000000 # [ 70.242780] R10: 00007ff684fa91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.250781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 70.542884] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 70.555413] lkdtm: attempting bad read from page above current stack # [ 70.568774] BUG: stack guard page was hit at 00000000807134ae (stack is 000000006d9[ 71.262391] lkdtm: Performing direct entry UNSET_SMEP [ 71.271626] lkdtm: trying to clear SMEP normally [ 71.276837] ------------[ cut here ]------------ [ 71.282032] pinned CR4 bits changed: 0x100000!? [ 71.287146] WARNING: CPU: 1 PID: 1118 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 [ 71.297409] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.313455] CPU: 1 PID: 1118 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 71.322173] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.328826] RIP: 0010:native_write_cr4+0x41/0x60 [ 71.334027] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fb 7f 88 c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 71.355100] RSP: 0018:ffffa0a2c18efe48 EFLAGS: 00010286 [ 71.360982] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 [ 71.369002] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 [ 71.377022] RBP: ffffffff888c011d R08: 0000000000000000 R09: 0000000000000000 [ 71.385039] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 71.393052] R13: ffffa0a2c18eff10 R14: ffffa0a2c18eff10 R15: ffff8a410328a000 [ 71.401071] FS: 00007f14f6f59580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 71.410158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.416623] CR2: 00007f14f6d72000 CR3: 00000001059a8000 CR4: 00000000003506e0 [ 71.424640] Call Trace: [ 71.427414] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 71.432325] direct_entry.cold+0x2c/0x38 [ 71.436752] full_proxy_write+0x56/0x80 [ 71.441078] vfs_write+0xea/0x390 [ 71.444819] ksys_write+0x68/0xe0 [ 71.448558] do_syscall_64+0x33/0x40 [ 71.452592] entry_SYSCALL_64_after_hwframe+0x44/0xa9 6385f..000000007f8a7b04) # [ 70.585875] kernel stack overflow[ 71.458281] RIP: 0033:0x7f14f6e81f33 [ 71.468532] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.489606] RSP: 002b:00007ffd02816988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.498103] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f14f6e81f33 [ 71.506120] RDX: 000000000000000b RSI: 00007f14f6d72000 RDI: 0000000000000001 [ 71.514139] RBP: 00007f14f6d72000 R08: 00007f14f6d71010 R09: 0000000000000000 [ 71.522156] R10: 00007f14f6f7c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.530177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.538196] irq event stamp: 0 (page fault): 0000 [#4] SMP PTI # [ 70.592712] CPU: 3 PID: 1[ 71.541640] hardirqs last enabled at (0): [<0000000000000000>] 0x0 082 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [[ 71.554903] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 71.570303] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 71.579489] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.586527] ---[ end trace 509b96459c42c867 ]--- [ 71.591722] lkdtm: ok: SMEP did not get cleared [ 71.596818] lkdtm: trying to clear SMEP with call gadget [ 71.602790] lkdtm: ok: SMEP removal was reverted 70.601397] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.608043] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 70.614685] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f8 09 8c 88 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 38 0a 8c 88 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 70.635727] RSP: 0018:ffffa0a2c186fe50 EFLAGS: 00010246 # [ 70.641584] RAX: 0000000000000038 RBX: ffffa0a2c186c000 RCX: 0000000000000000 # [ 70.649575] RDX: 0000000000000000 RSI: ffff8a417bd9bf70 RDI: ffffffff888c0a38 # [ 70.657572] RBP: ffffffff888c0103 R08: 0000000000000000 R09: 0000000000000000 # [ 70.665567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 70.673567] R13: ffffa0a2c186ff10 R14: ffffa0a2c186ff10 R15: ffff8a410124f000 # [ 70.681566] FS: 00007fa4213a3580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 70.690639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.697081] CR2: ffffa0a2c1870000 CR3: 0000000103262000 CR4: 00000000003506e0 # [ 70.705074] Call Trace: # [ 70.707820] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 70.713684] direct_entry.cold+0x2c/0x38 # [ 70.718088] full_proxy_write+0x56/0x80 # [ 70.722395] vfs_write+0xea/0x390 # [ 70.726114] ksys_write+0x68/0xe0 # [ 70.729835] do_syscall_64+0x33/0x40 # [ 70.733846] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.739511] RIP: 0033:0x7fa4212cbf33 # [ 70.743522] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.764578] RSP: 002b:00007fffc1b5bb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.773067] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa4212cbf33 # [ 70.781068] RDX: 000000000000001a RSI: 00007fa4211bc000 RDI: 0000000000000001 # [ 70.789069] RBP: 00007fa4211bc000 R08: 00007fa4211bb010 R09: 0000000000000000 # [ 70.797067] R10: 00007fa4213c61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.805064] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.813070] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.829095] ---[ end trace 509b96459c42c866 ]--- # [ 70.834273] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 70.838670] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00[ 71.866871] lkdtm: Performing direct entry DOUBLE_FAULT [ 71.875841] lkdtm: XFAIL: this test is ia32-only 83 05 c0 15 70 02 # [ 70.859725] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 70.865576] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 70.873574] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 70.881574] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 70.889577] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 70.897576] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 70.905578] FS: 00007fa4213a3580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 70.914650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.921090] CR2: ffffa0a2c1870000 CR3: 0000000103262000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 71.262391] lkdtm: Performing direct entry UNSET_SMEP # [ 71.271626] lkdtm: trying to clear SMEP normally # [ 71.276837] ------------[ cut here ]------------ # [ 71.282032] pinned CR4 bits changed: 0x100000!? # [ 71.287146] WARNING: CPU: 1 PID: 1118 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 71.297409] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.313455] CPU: 1 PID: 1118 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 71.322173] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.328826] RIP: 0010:native_write_cr4+0x41/0x60 # [ 71.334027] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fb 7f 88 c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 71.355100] RSP: 0018:ffffa0a2c18efe48 EFLAGS: 00010286 # [ 71.360982] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 71.369002] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 # [ 71.377022] RBP: ffffffff888c011d R08: 0000000000000000 R09: 0000000000000000 # [ 71.385039] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 71.393052] R13: ffffa0a2c18eff10 R14: ffffa0a2c18eff10 R15: ffff8a410328a000 # [ 71.401071] FS: 00007f14f6f59580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 71.410158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.416623] CR2: 00007f14f6d72000 CR3: 00000001059a8000 CR4: 00000000003506e0 # [ 71.424640] Call Trace: # [ 71.427414] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 71.432325] direct_entry.cold+0x2c/0x38 # [ 71.[ 72.140634] lkdtm: Performing direct entry CORRUPT_PAC [ 72.148760] lkdtm: XFAIL: this test is arm64-only 436752] full_proxy_write+0x56/0x80 # [ 71.441078] vfs_write+0xea/0x390 # [ 71.444819] ksys_write+0x68/0xe0 # [ 71.448558] do_syscall_64+0x33/0x40 # [ 71.452592] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.458281] RIP: 0033:0x7f14f6e81f33 # [ 71.468532] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.489606] RSP: 002b:00007ffd02816988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.498103] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f14f6e81f33 # [ 71.506120] RDX: 000000000000000b RSI: 00007f14f6d72000 RDI: 0000000000000001 # [ 71.514139] RBP: 00007f14f6d72000 R08: 00007f14f6d71010 R09: 0000000000000000 # [ 71.522156] R10: 00007f14f6f7c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.530177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.538196] irq event stamp: 0 # [ 71.541640] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.554903] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.570303] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.579489] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.586527] ---[ end trace 509b96459c42c867 ]--- # [ 71.591722] lkdtm: ok: SMEP did not get cleared # [ 71.596818] lkdtm: trying to clear SMEP with call gadget # [ 71.602790] 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 # [ 71.866871] lkdtm: Performing direct entry DOUBLE_FAULT # [ 71.875841] 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 # [ 72.140634] lkdtm: Performing direct entry CORRUPT_PAC # [ 72.148760] 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 [ 72.404718] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 72.411987] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 72.404718] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 72.411987] 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 [ 72.932827] lkdtm: Performing direct entry READ_AFTER_FREE [ 72.939075] lkdtm: Value in memory before free: 12345678 [ 72.945056] lkdtm: Attempting bad read from freed memory [ 72.951039] lkdtm: Memory was not poisoned # [ 72.932827] lkdtm: Performing direct entry READ_AFTER_FREE # [ 72.939075] lkdtm: Value in memory before free: 12345678 # [ 72.945056] lkdtm: Attempting bad read from freed memory # [ 72.951039] 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 [ 73.338501] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 73.345281] lkdtm: Value in memory before free: 12345678 [ 73.351285] lkdtm: Attempting to read from freed memory [ 73.357188] lkdtm: Buddy page was not poisoned # [ 73.338501] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 73.345281] lkdtm: Value in memory before free: 12345678 # [ 73.351285] lkdtm: Attempting to read from freed memory # [ 73.357188] 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 [ 73.604908] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 73.611243] lkdtm: Attempting double slab free ... # [ 73.604908] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 73.611243] 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 [ 73.869561] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 73.875766] lkdtm: Attempting cross-cache slab free ... # [ 73.869561] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 73.875766] 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 [ 74.142409] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 74.148524] lkdtm: Attempting non-Slab slab free ... # [ 74.142409] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 74.148524] 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 [ 74.943403] lkdtm: Performing direct entry EXEC_DATA [ 74.949032] lkdtm: attempting ok execution at ffffffff878b2320 [ 74.955603] lkdtm: attempting bad execution at ffffffff89fb3560 [ 74.962288] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.970678] BUG: unable to handle page fault for address: ffffffff89fb3560 [ 74.978388] #PF: supervisor instruction fetch in kernel mode [ 74.984732] #PF: error_code(0x0011) - permissions violation [ 74.990982] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 800000004da000e3 [ 74.998513] Oops: 0011 [#5] SMP PTI [ 75.002426] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 75.011107] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.017755] RIP: 0010:data_area+0x0/0x40 [ 75.022152] Code: ff ff 00 37 25 00 41 8a ff ff 00 36 25 00 41 8a 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.043206] RSP: 0018:ffffa0a2c2067e48 EFLAGS: 00010246 [ 75.049067] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.057064] RDX: 0000000000000000 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 [ 75.065063] RBP: ffffffff89fb3560 R08: 0000000000000000 R09: 0000000000000000 [ 75.073058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 75.081056] R13: ffffa0a2c2067f10 R14: ffffa0a2c2067f10 R15: ffff8a4105b5a000 [ 75.089054] FS: 00007f042d163580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 75.098123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.104563] CR2: ffffffff89fb3560 CR3: 0000000106416000 CR4: 00000000003506e0 [ 75.112561] Call Trace: [ 75.115311] ? execute_location+0x48/0x56 [ 75.119803] ? direct_entry.cold+0x2c/0x38 [ 75.124400] ? full_proxy_write+0x56/0x80 [ 75.128899] ? vfs_write+0xea/0x390 [ 75.132814] ? ksys_write+0x68/0xe0 [ 75.136730] ? do_syscall_64+0x33/0x40 [ 75.140935] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.146803] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.162822] CR2: ffffffff89fb3560 [ 75.166543] ---[ end trace 509b96459c42c868 ]--- [ 75.171725] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.176122] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 75.197175] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 75.203035] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.211035] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 75.219031] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 75.227028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.235024] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 75.243021] FS: 00007f042d163580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 75.252090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.258529] CR2: ffffffff89fb3560 CR3: 0000000106416000 CR4: 00000000003506e0 [ 75.266532] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.276471] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1625, name: cat [ 75.284957] INFO: lockdep is turned off. [ 75.289351] irq event stamp: 0 [ 75.292776] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.299805] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 75.308971] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 75.318137] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.325160] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 75.333838] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.340471] Call Trace: [ 75.343220] dump_stack+0x77/0x97 [ 75.346941] ___might_sleep.cold+0xa6/0xb6 [ 75.351538] exit_signals+0x1c/0x2d0 [ 75.355548] do_exit+0xd5/0xb00 [ 75.359072] ? ksys_write+0x68/0xe0 [ 75.362991] rewind_stack_do_exit+0x17/0x20 [ 75.367682] RIP: 0033:0x7f042d08bf33 [ 75.371694] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.392746] RSP: 002b:00007ffd40ed5048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.401236] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f042d08bf33 [ 75.409238] RDX: 000000000000000a RSI: 00007f042cf7c000 RDI: 0000000000000001 [ 75.417236] RBP: 00007f042cf7c000 R08: 00007f042cf7b010 R09: 0000000000000000 [ 75.425232] R10: 00007f042d1861c0 R11: 0000000000000246 R12: 0000000000000001 [ 75.433232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 74.943403] lkdtm: Performing direct entry EXEC_DATA # [ 74.949032] lkdtm: attempting ok execution at ffffffff878b2320 # [ 74.955603] lkdtm: attempting bad execution at ffffffff89fb3560 # [ 74.962288] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.970678] BUG: unable to handle page fault for address: ffffffff89fb3560 # [ 74.978388] #PF: supervisor instruction fetch in kernel mode # [ 74.984732] #PF: error_code(0x0011) - permissions violation # [ 74.990982] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 800000004da000e3 # [ 74.998513] Oops: 0011 [#5] SMP PTI # [ 75.002426] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 75.011107] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.017755] RIP: 0010:data_area+0x0/0x40 # [ 75.022152] Code: ff ff 00 37 25 00 41 8a ff ff 00 36 25 00 41 8a 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.043206] RSP: 0018:ffffa0a2c2067e48 EFLAGS: 00010246 # [ 75.049067] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.057064] RDX: 0000000000000000 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 # [ 75.065063] RBP: ffffffff89fb3560 R08: 0000000000000000 R09: 0000000000000000 # [ 75.073058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 75.081056] R13: ffffa0a2c2067f10 R14: ffffa0a2c2067f10 R15: ffff8a4105b5a000 # [ 75.089054] FS: 00007f042d163580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 75.098123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.104563] CR2: ffffffff89fb3560 CR3: 0000000106416000 CR4: 00000000003506e0 # [ 75.112561] Call Trace: # [ 75.115311] ? execute_location+0x48/0x56 # [ 75.119803] ? direct_entry.cold+0x2c/0x38 # [ 75.124400] ? full_proxy_write+0x56/0x80 # [ 75.128899] ? vfs_write+0xea/0x390 # [ 75.132814] ? ksys_write+0x68/0xe0 # [ 75.136730] ? do_syscall_64+0x33/0x40 # [ 75.140935] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.146803] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.162822] CR2: ffffffff89fb3560 # [ 75.166543] ---[ end trace 509b96459c42c868 ]--- # [ 75.171725] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.176122] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff [ 75.746359] lkdtm: Performing direct entry EXEC_STACK [ 75.752620] lkdtm: attempting ok execution at ffffffff878b2320 [ 75.759190] lkdtm: attempting bad execution at ffffa0a2c20ffe18 ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1[ 75.765869] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.780447] BUG: unable to handle page fault for address: ffffa0a2c20ffe18 [ 75.788156] #PF: supervisor instruction fetch in kernel mode [ 75.794498] #PF: error_code(0x0011) - permissions violation f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 75.800744] PGD 100000067 P4D 100000067 PUD 100210067 PMD 10398d067 PTE 8000000105a5c063 [ 75.816054] Oops: 0011 [#6] SMP PTI 05 c0 15 70 02 # [ 75.197175] RSP: 0018:ffffa0a2c131fe60 EFLA[ 75.819968] CPU: 1 PID: 1661 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 75.834858] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.841493] RIP: 0010:0xffffa0a2c20ffe18 [ 75.845889] Code: 00 00 18 fe 0f c2 a2 a0 ff ff b3 8d ef 87 ff ff ff ff 20 00 00 00 00 00 00 00 46 02 8c 88 ff ff ff ff df 8e ef 87 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.866921] RSP: 0018:ffffa0a2c20ffdf8 EFLAGS: 00010246 [ 75.872774] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.880763] RDX: 0000000000000000 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 [ 75.888754] RBP: ffffa0a2c20ffe18 R08: 0000000000000000 R09: 0000000000000000 [ 75.896753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 75.904745] R13: ffffa0a2c20fff10 R14: ffffa0a2c20fff10 R15: ffff8a4103366000 [ 75.912737] FS: 00007fce5f9a1580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 75.921803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.928241] CR2: ffffa0a2c20ffe18 CR3: 0000000103274000 CR4: 00000000003506e0 [ 75.936236] Call Trace: [ 75.938987] ? execute_location+0x48/0x56 [ 75.943484] ? lkdtm_EXEC_STACK+0x26/0x40 [ 75.947976] ? direct_entry.cold+0x2c/0x38 [ 75.952569] ? full_proxy_write+0x56/0x80 [ 75.957066] ? vfs_write+0xea/0x390 [ 75.960973] ? ksys_write+0x68/0xe0 [ 75.964882] ? do_syscall_64+0x33/0x40 [ 75.969082] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.974935] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.990937] CR2: ffffa0a2c20ffe18 [ 75.994654] ---[ end trace 509b96459c42c869 ]--- [ 75.999828] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.004211] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 76.025244] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 76.031091] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.039082] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 76.047074] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 76.055064] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.063056] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 76.071047] FS: 00007fce5f9a1580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 76.080105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.086543] CR2: ffffa0a2c20ffe18 CR3: 0000000103274000 CR4: 00000000003506e0 GS: 00010286 # [ 75.203035] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.211035] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 75.219031] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 75.227028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.235024] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 75.243021] FS: 00007f042d163580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 75.252090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.258529] CR2: ffffffff89fb3560 CR3: 0000000106416000 CR4: 00000000003506e0 # [ 75.266532] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.276471] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1625, name: cat # [ 75.284957] INFO: lockdep is turned off. # [ 75.289351] irq event stamp: 0 # [ 75.292776] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.299805] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.308971] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.318137] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.325160] CPU: 1 PID: 1625 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 75.333838] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.340471] Call Trace: # [ 75.343220] dump_stack+0x77/0x97 # [ 75.346941] ___might_sleep.cold+0xa6/0xb6 # [ 75.351538] exit_signals+0x1c/0x2d0 # [ 75.355548] do_exit+0xd5/0xb00 # [ 75.359072] ? ksys_write+0x68/0xe0 # [ 75.362991] rewind_stack_do_exit+0x17/0x20 # [ 75.367682] RIP: 0033:0x7f042d08bf33 # [ 75.371694] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.392746] RSP: 002b:00007ffd40ed5048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.401236] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f042d08bf33 # [ 75.409238] RDX: 000000000000000a RSI: 00007f042cf7c000 RDI: 0000000000000001 # [ 75.417236] RBP: 00007f042cf7c000 R08: 00007f042cf7b010 R09: 0000000000000000 # [ 75.425232] R10: 00007f042d1861c0 R11: 0000000000000246 R12: 0000000000000001 # [ 75.433232] 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 # [ 75.746359] lkdtm: Performing direct entry EXEC_STACK # [ 75.752620] lkdtm: attempting ok execution at ffffffff878b2320 # [ 75.759190] lkdtm: attempting bad executio[ 76.362943] lkdtm: Performing direct entry EXEC_KMALLOC n at ffffa0a2c20ffe18 # [ 75.765869] kernel tried to execute [ 76.374621] lkdtm: attempting ok execution at ffffffff878b2320 NX-protected page - exploit attempt? (uid: 0) # [ 75.780447] [ 76.387394] lkdtm: attempting bad execution at ffff8a410503d100 BUG: unable to handle page fault for address: ffffa0a2c20ffe18 [ 76.400304] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.414844] BUG: unable to handle page fault for address: ffff8a410503d100 [ 76.422551] #PF: supervisor instruction fetch in kernel mode [ 76.428890] #PF: error_code(0x0011) - permissions violation [ 76.435133] PGD 4dc01067 P4D 4dc01067 PUD 100897063 PMD 1050fa063 PTE 800000010503d163 [ 76.444019] Oops: 0011 [#7] SMP PTI [ 76.447928] CPU: 3 PID: 1697 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 76.456603] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.463239] RIP: 0010:0xffff8a410503d100 [ 76.467638] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 0f 87 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 76.488675] RSP: 0018:ffffa0a2c2197e38 EFLAGS: 00010246 [ 76.494529] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.502518] RDX: 0000000000000000 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 [ 76.510505] RBP: ffff8a410503d100 R08: 0000000000000000 R09: 0000000000000000 [ 76.518489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.526476] R13: ffffa0a2c2197f10 R14: ffffa0a2c2197f10 R15: ffff8a4105852000 [ 76.534466] FS: 00007f672e4b6580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 76.543525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.549958] CR2: ffff8a410503d100 CR3: 0000000102bc2000 CR4: 00000000003506e0 [ 76.557951] Call Trace: [ 76.560702] ? execute_location+0x48/0x56 [ 76.565199] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 76.569881] ? direct_entry.cold+0x2c/0x38 [ 76.574476] ? full_proxy_write+0x56/0x80 [ 76.578968] ? vfs_write+0xea/0x390 [ 76.582872] ? ksys_write+0x68/0xe0 [ 76.586778] ? do_syscall_64+0x33/0x40 [ 76.590974] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.596832] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.612832] CR2: ffff8a410503d100 [ 76.616545] ---[ end trace 509b96459c42c86a ]--- [ 76.621718] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.626110] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 76.647130] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 76.652983] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.660971] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 76.668960] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 76.676948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.684936] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 76.692925] FS: 00007f672e4b6580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 76.701985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.708416] CR2: ffff8a410503d100 CR3: 0000000102bc2000 CR4: 00000000003506e0 [ 76.716408] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 76.726342] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1697, name: cat [ 76.734814] INFO: lockdep is turned off. [ 76.739203] irq event stamp: 0 [ 76.742623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 76.749647] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 76.758809] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 76.767966] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 76.774984] CPU: 3 PID: 1697 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 76.783660] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.790292] Call Trace: [ 76.793040] dump_stack+0x77/0x97 [ 76.796759] ___might_sleep.cold+0xa6/0xb6 [ 76.801349] exit_signals+0x1c/0x2d0 [ 76.805346] do_exit+0xd5/0xb00 [ 76.808866] ? ksys_write+0x68/0xe0 [ 76.812776] rewind_stack_do_exit+0x17/0x20 [ 76.817462] RIP: 0033:0x7f672e3def33 [ 76.821468] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 76.842501] RSP: 002b:00007ffccc0fead8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.850987] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f672e3def33 [ 76.858984] RDX: 000000000000000d RSI: 00007f672e2cf000 RDI: 0000000000000001 [ 76.866981] RBP: 00007f672e2cf000 R08: 00007f672e2ce010 R09: 0000000000000000 [ 76.874978] R10: 00007f672e4d91c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.882972] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.788156] #PF: supervisor instruction fetch in kernel mode # [ 75.794498] #PF: error_code(0x0011) - permissions violation # [ 75.800744] PGD 100000067 P4D 100000067 PUD 100210067 PMD 10398d067 PTE 8000000105a5c063 # [ 75.816054] Oops: 0011 [#6] SMP PTI # [ 75.819968] CPU: 1 PID: 1661 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 75.834858] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.841493] RIP: 0010:0xffffa0a2c20ffe18 # [ 75.845889] Code: 00 00 18 fe 0f c2 a2 a0 ff ff b3 8d ef 87 ff ff ff ff 20 00 00 00 00 00 00 00 46 02 8c 88 ff ff ff ff df 8e ef 87 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.866921] RSP: 0018:ffffa0a2c20ffdf8 EFLAGS: 00010246 # [ 75.872774] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.880763] RDX: 0000000000000000 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 # [ 75.888754] RBP: ffffa0a2c20ffe18 R08: 0000000000000000 R09: 0000000000000000 # [ 75.896753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 75.904745] R13: ffffa0a2c20fff10 R14: ffffa0a2c20fff10 R15: ffff8a4103366000 # [ 75.912737] FS: 00007fce5f9a1580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 75.921803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.928241] CR2: ffffa0a2c20ffe18 CR3: 0000000103274000 CR4: 00000000003506e0 # [ 75.936236] Call Trace: # [ 75.938987] ? execute_location+0x48/0x56 # [ 75.943484] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 75.947976] ? direct_entry.cold+0x2c/0x38 # [ 75.952569] ? full_proxy_write+0x56/0x80 # [ 75.957066] ? vfs_write+0xea/0x390 # [ 75.960973] ? ksys_write+0x68/0xe0 # [ 75.964882] ? do_syscall_64+0x33/0x40 # [ 75.969082] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.974935] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.990937] CR2: ffffa0a2c20ffe18 # [ 75.994654] ---[ end trace 509b96459c42c869 ]--- # [ 75.999828] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.004211] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 76.025244] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 76.031091] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.039082] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 76.047074] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 76.055064] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.063056] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 76.071047] FS: 00007fce5f9a1580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 76.080105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.086543] CR2: ffffa0a2c20ffe18 CR3: 0000000103274000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 76.362943] lkdtm: Performing direct entry EXEC_KMALLOC # [ 76.374621] lkdtm: attempting ok execution a[ 77.211277] lkdtm: Performing direct entry EXEC_VMALLOC t ffffffff878b2320 # [ 76.387394] lkdtm: attempting bad execu[ 77.221207] lkdtm: attempting ok execution at ffffffff878b2320 [ 77.233915] lkdtm: attempting bad execution at ffffa0a2c0663000 tion at ffff8a410503d100 # [ 76.400304] kernel tried to execu[ 77.240583] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.255200] BUG: unable to handle page fault for address: ffffa0a2c0663000 [ 77.262905] #PF: supervisor instruction fetch in kernel mode [ 77.269245] #PF: error_code(0x0011) - permissions violation [ 77.275488] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105035067 PTE 8000000105b5b063 [ 77.284570] Oops: 0011 [#8] SMP PTI [ 77.288479] CPU: 0 PID: 1733 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 77.297155] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.303794] RIP: 0010:0xffffa0a2c0663000 [ 77.308196] Code: Unable to access opcode bytes at RIP 0xffffa0a2c0662fd6. [ 77.315903] RSP: 0018:ffffa0a2c21e7e38 EFLAGS: 00010246 [ 77.321760] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.329756] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffff8a417bc1bf70 [ 77.337753] RBP: ffffa0a2c0663000 R08: 0000000000000000 R09: 0000000000000000 [ 77.345748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 77.353742] R13: ffffa0a2c21e7f10 R14: ffffa0a2c21e7f10 R15: ffff8a4105b5b000 [ 77.361740] FS: 00007f7bff8ba580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 77.370809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.377245] CR2: ffffa0a2c0662fd6 CR3: 0000000105800000 CR4: 00000000003506f0 [ 77.385240] Call Trace: [ 77.387996] ? execute_location+0x48/0x56 [ 77.392494] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 77.397182] ? direct_entry.cold+0x2c/0x38 [ 77.401778] ? full_proxy_write+0x56/0x80 [ 77.406273] ? vfs_write+0xea/0x390 [ 77.410184] ? ksys_write+0x68/0xe0 [ 77.414084] ? do_syscall_64+0x33/0x40 [ 77.418281] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.424147] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.440159] CR2: ffffa0a2c0663000 [ 77.443875] ---[ end trace 509b96459c42c86b ]--- [ 77.449049] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.453444] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 77.474486] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 77.480342] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.488333] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 77.496325] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 77.504320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.512313] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 77.520306] FS: 00007f7bff8ba580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 77.529375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.535814] CR2: ffffa0a2c0662fd6 CR3: 0000000105800000 CR4: 00000000003506f0 te NX-protected page - exploit attempt? (uid: 0) # [ 76.414844] BUG: unable to handle page fault for address: ffff8a410503d100 # [ 76.422551] #PF: supervisor instruction fetch in kernel mode # [ 76.428890] #PF: error_code(0x0011) - permissions violation # [ 76.435133] PGD 4dc01067 P4D 4dc01067 PUD 100897063 PMD 1050fa063 PTE 800000010503d163 # [ 76.444019] Oops: 0011 [#7] SMP PTI # [ 76.447928] CPU: 3 PID: 1697 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 76.456603] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.463239] RIP: 0010:0xffff8a410503d100 # [ 76.467638] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 0f 87 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 76.488675] RSP: 0018:ffffa0a2c2197e38 EFLAGS: 00010246 # [ 76.494529] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.502518] RDX: 0000000000000000 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 # [ 76.510505] RBP: ffff8a410503d100 R08: 0000000000000000 R09: 0000000000000000 # [ 76.518489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.526476] R13: ffffa0a2c2197f10 R14: ffffa0a2c2197f10 R15: ffff8a4105852000 # [ 76.534466] FS: 00007f672e4b6580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 76.543525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.549958] CR2: ffff8a410503d100 CR3: 0000000102bc2000 CR4: 00000000003506e0 # [ 76.557951] Call Trace: # [ 76.560702] ? execute_location+0x48/0x56 # [ 76.565199] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 76.569881] ? direct_entry.cold+0x2c/0x38 # [ 76.574476] ? full_proxy_write+0x56/0x80 # [ 76.578968] ? vfs_write+0xea/0x390 # [ 76.582872] ? ksys_write+0x68/0xe0 # [ 76.586778] ? do_syscall_64+0x33/0x40 # [ 76.590974] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 76.596832] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.612832] CR2: ffff8a410503d100 # [ 76.616545] ---[ end trace 509b96459c42c86a ]--- # [ 76.621718] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.626110] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 76.647130] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 76.652983] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.660971] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 76.668960] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 76.676948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.684936] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 76.692925] FS: 00007f67[ 77.832185] lkdtm: Performing direct entry EXEC_RODATA [ 77.842718] lkdtm: attempting ok execution at ffffffff878b2320 [ 77.849292] lkdtm: attempting bad execution at ffffffff884d9f00 [2e4 b6580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 77.855962] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.870488] BUG: unable to handle page fault for address: ffffffff884d9f00 [ 77.878193] #PF: supervisor instruction fetch in kernel mode [ 77.884536] #PF: error_code(0x0011) - permissions violation [ 77.890782] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 800000004c0001e1 [ 77.898305] Oops: 0011 [#9] SMP PTI [ 77.902217] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 77.910899] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.917542] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 77.923301] Code: ff ff df a2 ef 87 ff ff ff ff 92 04 8c 88 ff ff ff ff 95 8a ef 87 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 [ 77.944329] RSP: 0018:ffffa0a2c2277e48 EFLAGS: 00010246 [ 77.950170] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.958164] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffff8a417bc1bf70 [ 77.966159] RBP: ffffffff884d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 77.974157] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 77.982153] R13: ffffa0a2c2277f10 R14: ffffa0a2c2277f10 R15: ffff8a410585b000 [ 77.990148] FS: 00007f41cfc95580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 77.999214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.005651] CR2: ffffffff884d9f00 CR3: 000000010581c000 CR4: 00000000003506f0 # [ 76.701985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 78.013646] Call Trace: [ 78.022621] ? execute_location+0x48/0x56 [ 78.027119] ? direct_entry.cold+0x2c/0x38 [ 78.031714] ? full_proxy_write+0x56/0x80 [ 78.036207] ? vfs_write+0xea/0x390 [ 78.040115] ? ksys_write+0x68/0xe0 [ 78.044027] ? do_syscall_64+0x33/0x40 [ 78.048227] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 033 # [ 76.708416] CR2: ffff8a410503d100 CR3: 0000000102bc200[ 78.054088] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.076313] CR2: ffffffff884d9f00 [ 78.080020] ---[ end trace 509b96459c42c86c ]--- [ 78.085198] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.089590] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 78.110626] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 78.116476] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.124466] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 78.132456] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 78.140446] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.148435] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 78.156426] FS: 00007f41cfc95580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 78.165494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.171930] CR2: ffffffff884d9f00 CR3: 000000010581c000 CR4: 00000000003506f0 [ 78.179928] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.189869] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1769, name: cat [ 78.198345] INFO: lockdep is turned off. [ 78.202737] irq event stamp: 0 [ 78.206159] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.213180] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 78.222345] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 78.231512] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.238538] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 78.247219] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.253848] Call Trace: [ 78.256597] dump_stack+0x77/0x97 [ 78.260317] ___might_sleep.cold+0xa6/0xb6 [ 78.264911] exit_signals+0x1c/0x2d0 [ 78.268918] do_exit+0xd5/0xb00 [ 78.272442] ? ksys_write+0x68/0xe0 [ 78.276356] rewind_stack_do_exit+0x17/0x20 [ 78.281043] RIP: 0033:0x7f41cfbbdf33 [ 78.285053] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.306103] RSP: 002b:00007fff3e033018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.314592] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f41cfbbdf33 [ 78.322589] RDX: 000000000000000c RSI: 00007f41cfaae000 RDI: 0000000000000001 [ 78.330587] RBP: 00007f41cfaae000 R08: 00007f41cfaad010 R09: 0000000000000000 [ 78.338583] R10: 00007f41cfcb81c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.346579] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 CR4: 00000000003506e0 # [ 76.716408] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 76.726342] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1697, name: cat # [ 76.734814] INFO: lockdep is turned off. # [ 76.739203] irq event stamp: 0 # [ 76.742623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.749647] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 76.758809] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 76.767966] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.774984] CPU: 3 PID: 1697 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 76.783660] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.790292] Call Trace: # [ 76.793040] dump_stack+0x77/0x97 # [ 76.796759] ___might_sleep.cold+0xa6/0xb6 # [ 76.801349] exit_signals+0x1c/0x2d0 # [ 76.805346] do_exit+0xd5/0xb00 # [ 76.808866] ? ksys_write+0x68/0xe0 # [ 76.812776] rewind_stack_do_exit+0x17/0x20 # [ 76.817462] RIP: 0033:0x7f672e3def33 # [ 76.821468] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 76.842501] RSP: 002b:00007ffccc0fead8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.850987] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f672e3def33 # [ 76.858984] RDX: 000000000000000d RSI: 00007f672e2cf000 RDI: 0000000000000001 # [ 76.866981] RBP: 00007f672e2cf000 R08: 00007f672e2ce010 R09: 0000000000000000 # [ 76.874978] R10: 00007f672e4d91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 76.882972] 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 # [ 77.211277] lkdtm: Performing direct entry EXEC_VMALLOC # [ 77.221207] lkdtm: attempting ok execution at ffffffff878b2320 # [ 77.233915] lkdtm: attempting bad execution at ffffa0a2c0663000 # [ 77.240583] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.255200] BUG: unable to handle page fault for address: ffffa0a2c0663000 # [ 77.262905] #PF: supervisor instruction fetch in kernel mode # [ 77.269245] #PF: error_code(0x0011) - permissions violation # [ 77.275488] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105035067 PTE 8000000105b5b063 # [ 77.284570] Oops: 0011 [#8] SMP PTI # [ 77.288479] CPU: 0 PID: 1733 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 77.297155] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.303794] RIP: 0010:0xffffa0a2c0663000 # [ 77.308196] Code: Unable to access opcode bytes at RIP 0xffffa0a2c0662fd6. # [ 77.315903] RSP: 0018:ffffa0a2c21e7e38 EFLAGS: 00010246 # [ 77.321760] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.329756] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffff8a417bc1bf70 # [ 77.337753] RBP: ffffa0a2c0663000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.345748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 77.353742] R13: ffffa0a2c21e7f10 R14: ffffa0a2c21e7f10 R15: ffff8a4105b5b000 # [ 77.361740] FS: 00007f7bff8ba580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 77.370809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.377245] CR2: ffffa0a2c0662fd6 CR3: 0000000105800000 CR4: 00000000003506f0[ 78.703649] lkdtm: Performing direct entry EXEC_USERSPACE [ 78.715921] lkdtm: attempting ok execution at ffffffff878b2320 [ 78.722538] lkdtm: attempting bad execution at 00007f58765a0000 [ 78.729217] unable to execute userspace code (SMEP?) (uid: 0) [ 78.735661] BUG: unable to handle page fault for address: 00007f58765a0000 [ 78.743369] #PF: supervisor instruction fetch in kernel mode [ 78.749712] #PF: error_code(0x0011) - permissions violation [ 78.755956] PGD 8000000102ba3067 P4D 8000000102ba3067 PUD 102648067 PMD 105950067 PTE 10df35067 [ 78.765720] Oops: 0011 [#10] SMP PTI [ 78.769730] CPU: 2 PID: 1805 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 78.778413] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.785056] RIP: 0010:0x7f58765a0000 [ 78.789059] Code: Unable to access opcode bytes at RIP 0x7f587659ffd6. [ 78.796373] RSP: 0018:ffffa0a2c231fe50 EFLAGS: 00010246 [ 78.802232] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 78.810233] RDX: 0000000000000000 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 [ 78.818231] RBP: 00007f58765a0000 R08: 0000000000000000 R09: 0000000000000000 [ 78.826227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 78.834219] R13: ffffa0a2c231ff10 R14: ffffa0a2c231ff10 R15: ffff8a4106410000 [ 78.842215] FS: 00007f5876571580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 [ 78.851278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.857714] CR2: 00007f58765a0000 CR3: 0000000103620000 CR4: 00000000003506e0 [ 78.865706] Call Trace: [ 78.868457] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 78.873829] ? direct_entry.cold+0x2c/0x38 [ 78.878425] ? full_proxy_write+0x56/0x80 [ 78.882922] ? vfs_write+0xea/0x390 [ 78.886829] ? ksys_write+0x68/0xe0 [ 78.890742] ? do_syscall_64+0x33/0x40 [ 78.894946] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.900810] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.916829] CR2: 00007f58765a0000 [ 78.920548] ---[ end trace 509b96459c42c86d ]--- [ 78.925727] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.930125] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 78.951174] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 78.957035] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.965033] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 78.973030] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 78.981030] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.989026] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 78.997024] FS: 00007f5876571580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 [ 79.006093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.012533] CR2: 00007f58765a0000 CR3: 0000000103620000 CR4: 00000000003506e0 # [ 77.385240] Call Trace: # [ 77.387996] ? execute_location+0x48/0x56 # [ 77.392494] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 77.397182] ? direct_entry.cold+0x2c/0x38 # [ 77.401778] ? full_proxy_write+0x56/0x80 # [ 77.406273] ? vfs_write+0xea/0x390 # [ 77.410184] ? ksys_write+0x68/0xe0 # [ 77.414084] ? do_syscall_64+0x33/0x40 # [ 77.418281] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 77.424147] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.440159] CR2: ffffa0a2c0663000 # [ 77.443875] ---[ end trace 509b96459c42c86b ]--- # [ 77.449049] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.453444] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 77.474486] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 77.480342] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.488333] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 77.496325] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 77.504320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.512313] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 77.520306] FS: 00007f7bff8ba580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 77.529375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.535814] CR2: ffffa0a2c0662fd6 CR3: 0000000105800000 CR4: 00000000003506f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 77.832185] lkdtm: Performing direct entry EXEC_RODATA # [ 77.842718] lkdtm: attempting ok execution at ffffffff878b2320 # [ 77.849292] lkdtm: attempting bad execution at ffffffff884d9f00 # [ 77.855962] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.870488] BUG: unable to handle page fault for address: ffffffff884d9f00 # [ 77.878193] #PF: supervisor instruction fetch in kernel mode # [ 77.884536] #PF: error_code(0x0011) - permissions violation # [ 77.890782] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 800000004c0001e1 # [ 77.898305] Oops: 0011 [#9] SMP PTI # [ 77.902217] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 77.910899] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.917542] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.923301] Code: ff ff df a2 ef 87 ff ff ff ff 92 04 8c 88 ff ff ff ff 95 8a ef 87 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 # [ 77.944329] RSP: 0018:ffffa0a2c2277e48 EFLAGS: 00010246 # [ 77.950170] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 77.958164] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI[ 79.314705] lkdtm: Performing direct entry EXEC_NULL : ffff8a417bc1bf70 # [ 77.966159] RBP: ffffffff884d9f00 R08: [ 79.325444] lkdtm: attempting ok execution at ffffffff878b2320 0000000000000000 R09: 0000000000000000 # [ 77.974157] R10: 00[ 79.338206] lkdtm: attempting bad execution at 0000000000000000 000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ [ 79.351099] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 79.365089] #PF: supervisor instruction fetch in kernel mode [ 79.371432] #PF: error_code(0x0010) - not-present page [ 79.377186] PGD 0 P4D 0 [ 79.380029] Oops: 0010 [#11] SMP PTI [ 79.384037] CPU: 3 PID: 1841 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 79.392714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.399350] RIP: 0010:0x0 [ 79.402287] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 79.409989] RSP: 0018:ffffa0a2c23a7e48 EFLAGS: 00010246 [ 79.415847] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.423849] RDX: 0000000000000000 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 [ 79.431848] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 79.439847] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 79.447849] R13: ffffa0a2c23a7f10 R14: ffffa0a2c23a7f10 R15: ffff8a4103250000 [ 79.455850] FS: 00007f8bd0cdc580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 79.464922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.471363] CR2: ffffffffffffffd6 CR3: 0000000105ac2000 CR4: 00000000003506e0 [ 79.479363] Call Trace: [ 79.482114] execute_location+0x48/0x56 [ 79.486412] direct_entry.cold+0x2c/0x38 [ 79.490813] full_proxy_write+0x56/0x80 [ 79.495118] vfs_write+0xea/0x390 [ 79.498837] ksys_write+0x68/0xe0 [ 79.502556] do_syscall_64+0x33/0x40 [ 79.506569] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.512231] RIP: 0033:0x7f8bd0c04f33 [ 79.516241] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.537299] RSP: 002b:00007ffc3eecd058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.545787] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8bd0c04f33 [ 79.553781] RDX: 000000000000000a RSI: 00007f8bd0af5000 RDI: 0000000000000001 [ 79.561777] RBP: 00007f8bd0af5000 R08: 00007f8bd0af4010 R09: 0000000000000000 [ 79.569771] R10: 00007f8bd0cff1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.577770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.585780] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.601799] CR2: 0000000000000000 [ 79.605516] ---[ end trace 509b96459c42c86e ]--- [ 79.610684] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.615081] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 79.636129] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 79.641985] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.649980] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 79.657978] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 79.665974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.673970] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 79.681964] FS: 00007f8bd0cdc580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 79.691032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.697471] CR2: ffffffffffffffd6 CR3: 0000000105ac2000 CR4: 00000000003506e0 [ 79.705471] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.715416] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1841, name: cat [ 79.723900] INFO: lockdep is turned off. [ 79.728290] irq event stamp: 0 [ 79.731711] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 79.738739] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 79.747907] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 79.757071] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 79.764095] CPU: 3 PID: 1841 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 79.772774] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.779409] Call Trace: [ 79.782155] dump_stack+0x77/0x97 [ 79.785874] ___might_sleep.cold+0xa6/0xb6 [ 79.790468] exit_signals+0x1c/0x2d0 [ 79.794475] do_exit+0xd5/0xb00 [ 79.797997] ? ksys_write+0x68/0xe0 [ 79.801914] rewind_stack_do_exit+0x17/0x20 [ 79.806603] RIP: 0033:0x7f8bd0c04f33 [ 79.810610] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.831662] RSP: 002b:00007ffc3eecd058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.840143] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8bd0c04f33 [ 79.848137] RDX: 000000000000000a RSI: 00007f8bd0af5000 RDI: 0000000000000001 [ 79.856131] RBP: 00007f8bd0af5000 R08: 00007f8bd0af4010 R09: 0000000000000000 [ 79.864129] R10: 00007f8bd0cff1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.872125] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 77.982153] R13: ffffa0a2c2277f10 R14: ffffa0a2c2277f10 R15: ffff8a410585b000 # [ 77.990148] FS: 00007f41cfc95580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 77.999214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.005651] CR2: ffffffff884d9f00 CR3: 000000010581c000 CR4: 00000000003506f0 # [ 78.013646] Call Trace: # [ 78.022621] ? execute_location+0x48/0x56 # [ 78.027119] ? direct_entry.cold+0x2c/0x38 # [ 78.031714] ? full_proxy_write+0x56/0x80 # [ 78.036207] ? vfs_write+0xea/0x390 # [ 78.040115] ? ksys_write+0x68/0xe0 # [ 78.044027] ? do_syscall_64+0x33/0x40 # [ 78.048227] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.054088] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.076313] CR2: ffffffff884d9f00 # [ 78.080020] ---[ end trace 509b96459c42c86c ]--- # [ 78.085198] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.089590] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 78.110626] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 78.116476] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.124466] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 78.132456] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 78.140446] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.148435] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 78.156426] FS: 00007f41cfc95580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 78.165494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.171930] CR2: ffffffff884d9f00 CR3: 000000010581c000 CR4: 00000000003506f0 # [ 78.179928] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.189869] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1769, name: cat # [ 78.198345] INFO: lockdep is turned off. # [ 78.202737] irq event stamp: 0 # [ 78.206159] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.213180] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.222345] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.231512] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.238538] CPU: 0 PID: 1769 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 78.247219] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.253848] Call Trace: # [ 78.256597] dump_stack+0x77/0x97 # [ 78.260317] ___might_sleep.cold+0xa6/0xb6 # [ 78.264911] exit_signals+0x1c/0x2d0 # [ 78.268918] do_exit+0xd5/0xb00 # [ 78.272442] ? ksys_write+0x68/0xe0 # [ 78.276356] rewind_stack_do_exit+0x17/0x20 # [ 78.281043] RIP: 0033:0x7f41cfbbdf33 # [ 78.285053] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.306103] RSP: 002b:00007fff3e033018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.314592] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f41cfbbdf33 # [ [ 80.216625] lkdtm: Performing direct entry ACCESS_USERSPACE 78.322589] RDX: 000000000000000c RSI: 00007f41cfaae000 RDI: 00[ 80.223053] lkdtm: attempting bad read at 00007f0239964000 00000000000001 # [ 78.330587] RBP: 00007f41cfaae000 R08: 0000[ 80.235470] BUG: unable to handle page fault for address: 00007f0239964000 [ 80.249341] #PF: supervisor read access in kernel mode [ 80.255099] #PF: error_code(0x0001) - permissions violation [ 80.261345] PGD 8000000103446067 P4D 8000000103446067 PUD 103444067 PMD 1064db067 PTE 11494d067 [ 80.271120] Oops: 0001 [#12] SMP PTI [ 80.275132] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 80.283814] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.290459] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 80.296710] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 b0 11 8c 88 e8 73 9d fd ff 48 c7 c7 d8 11 8c 88 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 00 12 8c [ 80.317760] RSP: 0018:ffffa0a2c2427e48 EFLAGS: 00010246 [ 80.323616] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 80.331617] RDX: 0000000000000000 RSI: ffff8a417bd9bf70 RDI: ffffffff888c11d8 [ 80.339616] RBP: 00007f0239964000 R08: 0000000000000000 R09: 0000000000000000 [ 80.347615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 80.355611] R13: ffffa0a2c2427f10 R14: ffffa0a2c2427f10 R15: ffff8a4103265000 [ 80.363609] FS: 00007f0239935580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 80.372678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.379119] CR2: 00007f0239964000 CR3: 0000000103452000 CR4: 00000000003506e0 [ 80.387118] Call Trace: [ 80.389870] direct_entry.cold+0x2c/0x38 [ 80.394276] full_proxy_write+0x56/0x80 [ 80.398581] vfs_write+0xea/0x390 [ 80.402301] ksys_write+0x68/0xe0 [ 80.406021] do_syscall_64+0x33/0x40 [ 80.410032] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.415695] RIP: 0033:0x7f023985df33 [ 80.419700] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.440747] RSP: 002b:00007ffe395692c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.449229] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f023985df33 [ 80.457224] RDX: 0000000000000011 RSI: 00007f023974e000 RDI: 0000000000000001 [ 80.465222] RBP: 00007f023974e000 R08: 00007f023974d010 R09: 0000000000000000 [ 80.473218] R10: 00007f02399581c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.481213] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.489222] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.505226] CR2: 00007f0239964000 [ 80.508939] ---[ end trace 509b96459c42c86f ]--- [ 80.514112] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.518495] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 80.539528] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 80.545380] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.553372] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 80.561366] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 80.569360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.577357] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 80.585353] FS: 00007f0239935580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 80.594418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.600855] CR2: 00007f0239964000 CR3: 0000000103452000 CR4: 00000000003506e0 [ 80.608854] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 80.618796] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1876, name: cat [ 80.627272] INFO: lockdep is turned off. [ 80.631665] irq event stamp: 0 [ 80.635087] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 80.642120] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 80.651288] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 80.660449] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.667476] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 80.676156] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.682789] Call Trace: [ 80.685534] dump_stack+0x77/0x97 [ 80.689251] ___might_sleep.cold+0xa6/0xb6 [ 80.693843] exit_signals+0x1c/0x2d0 [ 80.697851] do_exit+0xd5/0xb00 [ 80.701370] ? ksys_write+0x68/0xe0 [ 80.705274] rewind_stack_do_exit+0x17/0x20 [ 80.709957] RIP: 0033:0x7f023985df33 [ 80.713961] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.734997] RSP: 002b:00007ffe395692c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.743481] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f023985df33 [ 80.751469] RDX: 0000000000000011 RSI: 00007f023974e000 RDI: 0000000000000001 [ 80.759460] RBP: 00007f023974e000 R08: 00007f023974d010 R09: 0000000000000000 [ 80.767447] R10: 00007f02399581c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.775433] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7f41cfaad010 R09: 0000000000000000 # [ 78.338583] R10: 00007f41cfcb81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.346579] 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 # [ 78.703649] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.715921] lkdtm: attempting ok execution at ffffffff878b2320 # [ 78.722538] lkdtm: attempting bad execution at 00007f58765a0000 # [ 78.729217] unable to execute userspace code (SMEP?) (uid: 0) # [ 78.735661] BUG: unable to handle page fault for address: 00007f58765a0000 # [ 78.743369] #PF: supervisor instruction fetch in kernel mode # [ 78.749712] #PF: error_code(0x0011) - permissions violation # [ 78.755956] PGD 8000000102ba3067 P4D 8000000102ba3067 PUD 102648067 PMD 105950067 PTE 10df35067 # [ 78.765720] Oops: 0011 [#10] SMP PTI # [ 78.769730] CPU: 2 PID: 1805 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 78.778413] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.785056] RIP: 0010:0x7f58765a0000 # [ 78.789059] Code: Unable to access opcode bytes at RIP 0x7f587659ffd6. # [ 78.796373] RSP: 0018:ffffa0a2c231fe50 EFLAGS: 00010246 # [ 78.802232] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 78.810233] RDX: 0000000000000000 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 # [ 78.818231] RBP: 00007f58765a0000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.826227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 78.834219] R13: ffffa0a2c231ff10 R14: ffffa0a2c231ff10 R15: ffff8a4106410000 # [ 78.842215] FS: 00007f5876571580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 # [ 78.851278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.857714] CR2: 00007f58765a0000 CR3: 0000000103620000 CR4: 00000000003506e0 # [ 78.865706] Call Trace: # [ 78.868457] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 78.873829] ? direct_entry.cold+0x2c/0x38 # [ 78.878425] ? full_proxy_write+0x56/0x80 # [ 78.882922] ? vfs_write+0xea/0x390 # [ 78.886829] ? ksys_write+0x68/0xe0 # [ 78.890742] ? do_syscall_64+0x33/0x40 # [ 78.894946] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.900810] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.916829] CR2: 00007f58765a0000 # [ 78.920548] ---[ end trace 509b96459c42c86d ]--- # [ 78.925727] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.930125] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 78.951174] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 78.957035] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.965033] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 78.973030] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 78.981030] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.989026] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff[ 81.101381] lkdtm: Performing direct entry ACCESS_NULL [ 81.113195] lkdtm: attempting bad read at 0000000000000000 [ 81.119379] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 81.127187] #PF: supervisor read access in kernel mode 10 R15: ffff8a410368a000 # [ 78.997024] FS: 00007f5876571580[ 81.132938] #PF: error_code(0x0000) - not-present page (0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 # [ 7[ 81.144923] PGD 0 P4D 0 [ 81.154000] Oops: 0000 [#13] SMP PTI 9.0[06093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.158009] CPU: 2 PID: 1911 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 81.172926] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.179572] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 81.184847] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 6e bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b0 11 8c 88 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d8 11 8c 88 48 01 79.012533] CR2: 00007f58765a0000 CR3: 0000000103620000 CR4: 0[ 81.205900] RSP: 0018:ffffa0a2c249fe58 EFLAGS: 00010246 [ 81.217978] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 81.225970] RDX: 0000000000000000 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 [ 81.233966] RBP: ffffffff888c02a1 R08: 0000000000000000 R09: 0000000000000000 [ 81.241962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 81.249954] R13: ffffa0a2c249ff10 R14: ffffa0a2c249ff10 R15: ffff8a410328c000 [ 81.257952] FS: 00007f6028043580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 [ 81.267015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.273450] CR2: 0000000000000000 CR3: 00000001032d0000 CR4: 00000000003506e0 [ 81.281445] Call Trace: [ 81.284199] direct_entry.cold+0x2c/0x38 [ 81.288607] full_proxy_write+0x56/0x80 [ 81.292911] vfs_write+0xea/0x390 [ 81.296631] ksys_write+0x68/0xe0 [ 81.300349] do_syscall_64+0x33/0x40 [ 81.304359] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.310024] RIP: 0033:0x7f6027f6bf33 [ 81.314033] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.335078] RSP: 002b:00007fff1ff209f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.343567] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6027f6bf33 [ 81.351564] RDX: 000000000000000c RSI: 00007f6027e5c000 RDI: 0000000000000001 [ 81.359560] RBP: 00007f6027e5c000 R08: 00007f6027e5b010 R09: 0000000000000000 [ 81.367560] R10: 00007f60280661c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.375557] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.383570] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.399591] CR2: 0000000000000000 [ 81.403308] ---[ end trace 509b96459c42c870 ]--- [ 81.408488] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.412887] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 81.433921] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 81.439779] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.447780] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 81.455776] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 81.463770] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.471761] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 81.479755] FS: 00007f6028043580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 [ 81.488820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.495258] CR2: 0000000000000000 CR3: 00000001032d0000 CR4: 00000000003506e0 0000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 79.314705] lkdtm: Performing direct entry EXEC_NULL # [ 79.325444] lkdtm: attempting ok execution at ffffffff878b2320 # [ 79.338206] lkdtm: attempting bad execution at 0000000000000000 # [ 79.351099] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 79.365089] #PF: supervisor instruction fetch in kernel mode # [ 79.371432] #PF: error_code(0x0010) - not-present page # [ 79.377186] PGD 0 P4D 0 # [ 79.380029] Oops: 0010 [#11] SMP PTI # [ 79.384037] CPU: 3 PID: 1841 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 79.392714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.399350] RIP: 0010:0x0 # [ 79.402287] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 79.409989] RSP: 0018:ffffa0a2c23a7e48 EFLAGS: 00010246 # [ 79.415847] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 79.423849] RDX: 0000000000000000 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 # [ 79.431848] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.439847] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 79.447849] R13: ffffa0a2c23a7f10 R14: ffffa0a2c23a7f10 R15: ffff8a4103250000 # [ 79.455850] FS: 00007f8bd0cdc580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 79.464922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.471363] CR2: ffffffffffffffd6 CR3: 0000000105ac2000 CR4: 00000000003506e0 # [ 79.479363] Call Trace: # [ 79.482114] execute_location+0x48/0x56 # [ 79.486412] direct_entry.cold+0x2c/0x38 # [ 79.490813] full_proxy_write+0x56/0x80 # [ 79.495118] vfs_write+0xea/0x390 # [ 79.498837] ksys_write+0x68/0xe0 # [ 79.502556] do_syscall_64+0x33/0x40 # [ 79.506569] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 79.512231] RIP: 0033:0x7f8bd0c04f33 # [ 79.516241] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.537299] RSP: 002b:00007ffc3eecd058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.545787] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8bd0c04f33 # [ 79.553781] RDX: 000000000000000a RSI: 00007f8bd0af5000 RDI: 0000000000000001 # [ 79.561777] RBP: 00007f8bd0af5000 R08: 00007f8bd0af4010 R09: 0000000000000000 # [ 79.569771] R10: 00007f8bd0cff1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.577770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.585780] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.601799] CR2: 0000000000000000 # [ 79.605516] ---[ end trace 509b96459c42c86e ]--- # [ 79.610684] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.615[ 81.798399] lkdtm: Performing direct entry WRITE_RO [ 81.807921] lkdtm: attempting bad rodata write at ffffffff884d9ef0 [ 81.814905] BUG: unable to handle page fault for address: ffffffff884d9ef0 [ 81.822615] #PF: supervisor write access in kernel mode [ 81.828470] #PF: error_code(0x0003) - permissions violation 081] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff[ 81.834715] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 800000004c0001e1 [ 81.848467] Oops: 0003 [#14] SMP PTI [ 81.852478] CPU: 1 PID: 1946 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 81.861145] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.867786] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 81.872767] Code: 00 48 c7 c7 90 10 8c 88 48 c7 c6 f0 9e 4d 88 e8 93 9f fd ff 48 8b 05 10 11 5e 00 ba 34 12 cd ab 48 c7 c7 c0 10 8c 88 48 31 d0 <48> 89 05 fa 10 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 [ 81.893804] RSP: 0018:ffffa0a2c2537e60 EFLAGS: 00010202 [ 81.899660] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 81.907655] RDX: 00000000abcd1234 RSI: ffff8a417bc9bf70 RDI: ffffffff888c10c0 [ 81.915646] RBP: ffffffff888c02ad R08: 0000000000000000 R09: 0000000000000000 [ 81.923641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 81.931639] R13: ffffa0a2c2537f10 R14: ffffa0a2c2537f10 R15: ffff8a4102bc3000 [ 81.939634] FS: 00007f852fcaf580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 81.948699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.955132] CR2: ffffffff884d9ef0 CR3: 00000001026e8000 CR4: 00000000003506e0 [ 81.963122] Call Trace: [ 81.965869] direct_entry.cold+0x2c/0x38 f[f c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 81.970274] full_proxy_write+0x56/0x80 [ 81.980805] vfs_write+0xea/0x390 [ 81.984521] ksys_write+0x68/0xe0 [ 81.988239] do_syscall_64+0x33/0x40 [ 81.992246] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.997902] RIP: 0033:0x7f852fbd7f33 [ 82.001909] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.022935] RSP: 002b:00007ffc7c81ab98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.031417] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f852fbd7f33 [ 82.039413] RDX: 0000000000000009 RSI: 00007f852fac8000 RDI: 0000000000000001 [ 82.047407] RBP: 00007f852fac8000 R08: 00007f852fac7010 R09: 0000000000000000 [ 82.055402] R10: 00007f852fcd21c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.063393] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.071391] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.087403] CR2: ffffffff884d9ef0 [ 82.091117] ---[ end trace 509b96459c42c871 ]--- [ 82.096290] RIP: 0010:lkdtm_BUG+0x5/0x10 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05[ 82.100686] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 82.127939] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 82.133791] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.141783] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 82.149782] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 82.157781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.165775] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 82.173768] FS: 00007f852fcaf580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 82.182837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.189274] CR2: ffffffff884d9ef0 CR3: 00000001026e8000 CR4: 00000000003506e0 [ 82.197265] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 82.207202] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1946, name: cat [ 82.215680] INFO: lockdep is turned off. [ 82.220073] irq event stamp: 0 [ 82.223490] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.230515] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 82.239682] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 82.248835] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 82.255861] CPU: 1 PID: 1946 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 82.264528] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.271159] Call Trace: [ 82.273905] dump_stack+0x77/0x97 [ 82.277624] ___might_sleep.cold+0xa6/0xb6 [ 82.282218] exit_signals+0x1c/0x2d0 [ 82.286227] do_exit+0xd5/0xb00 [ 82.289750] ? ksys_write+0x68/0xe0 [ 82.293664] rewind_stack_do_exit+0x17/0x20 [ 82.298353] RIP: 0033:0x7f852fbd7f33 [ 82.302359] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.323381] RSP: 002b:00007ffc7c81ab98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.331860] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f852fbd7f33 [ 82.339849] RDX: 0000000000000009 RSI: 00007f852fac8000 RDI: 0000000000000001 [ 82.347837] RBP: 00007f852fac8000 R08: 00007f852fac7010 R09: 0000000000000000 [ 82.355831] R10: 00007f852fcd21c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.363827] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c0 15 70 02 # [ 79.636129] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 79.641985] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.649980] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 79.657978] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 79.665974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.673970] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 79.681964] FS: 00007f8bd0cdc580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 79.691032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.697471] CR2: ffffffffffffffd6 CR3: 0000000105ac2000 CR4: 00000000003506e0 # [ 79.705471] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 79.715416] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1841, name: cat # [ 79.723900] INFO: lockdep is turned off. # [ 79.728290] irq event stamp: 0 # [ 79.731711] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.738739] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.747907] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.757071] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.764095] CPU: 3 PID: 1841 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 79.772774] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.779409] Call Trace: # [ 79.782155] dump_stack+0x77/0x97 # [ 79.785874] ___might_sleep.cold+0xa6/0xb6 # [ 79.790468] exit_signals+0x1c/0x2d0 # [ 79.794475] do_exit+0xd5/0xb00 # [ 79.797997] ? ksys_write+0x68/0xe0 # [ 79.801914] rewind_stack_do_exit+0x17/0x20 # [ 79.806603] RIP: 0033:0x7f8bd0c04f33 # [ 79.810610] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.831662] RSP: 002b:00007ffc3eecd058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.840143] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8bd0c04f33 # [ 79.848137] RDX: 000000000000000a RSI: 00007f8bd0af5000 RDI: 0000000000000001 # [ 79.856131] RBP: 00007f8bd0af5000 R08: 00007f8bd0af4010 R09: 0000000000000000 # [ 79.864129] R10: 00007f8bd0cff1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.872125] 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 # [ 80.216625] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 80.223053] lkdtm: attempting bad read at 00007f0239964000 # [ 80.235470] BUG: unable to handle page fault for address: 00007f0239964000 # [ 80.249341] #PF: supervisor read access in kernel mode # [ 80.255099] #PF: error_code(0x0001) - permissions violation # [ 80.261345] PGD 8000000103446067 P4D 8000000103446067 PUD 103444067 PMD 1064db067 PTE 11494d067 # [ 80.271120] Oops: 0001 [#12] SMP PTI # [ 80.275132] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 80.283814] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.290459] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 80.296710] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 b0 11 8c 88 e8 73 9d fd ff 48 c7 c7 d8 11 8c 88 b8 de c0 de c0 <48> 03 45 00 48[ 82.716135] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 82.727640] lkdtm: attempting bad ro_after_init write at ffffffff8893c328 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 00 12 8c # [ 80.31[ 82.735301] BUG: unable to handle page fault for address: ffffffff8893c328 [ 82.749208] #PF: supervisor write access in kernel mode [ 82.755065] #PF: error_code(0x0003) - permissions violation [ 82.761310] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 104b90163 PTE 800000004c53c061 [ 82.770110] Oops: 0003 [#15] SMP PTI [ 82.774111] CPU: 1 PID: 1981 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 82.782794] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.789443] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 82.795500] Code: 10 8c 88 e9 45 9f fd ff 48 c7 c7 18 11 8c 88 e8 39 9f fd ff 48 8b 05 ee 34 a4 00 ba 34 12 cd ab 48 c7 c7 c0 10 8c 88 48 31 d0 <48> 89 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 82.816546] RSP: 0018:ffffa0a2c25cfe60 EFLAGS: 00010202 [ 82.822395] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 82.830395] RDX: 00000000abcd1234 RSI: ffff8a417bc9bf70 RDI: ffffffff888c10c0 [ 82.838394] RBP: ffffffff888c02b6 R08: 0000000000000000 R09: 0000000000000000 [ 82.846392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 82.854393] R13: ffffa0a2c25cff10 R14: ffffa0a2c25cff10 R15: ffff8a4102679000 [ 82.862395] FS: 00007f718e328580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 82.871463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.877900] CR2: ffffffff8893c328 CR3: 00000001058f0000 CR4: 00000000003506e0 [ 82.885894] Call Trace: [ 82.888641] direct_entry.cold+0x2c/0x38 [ 82.893051] full_proxy_write+0x56/0x80 [ 82.897354] vfs_write+0xea/0x390 [ 82.901073] ksys_write+0x68/0xe0 [ 82.904792] do_syscall_64+0x33/0x40 [ 82.908801] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.914466] RIP: 0033:0x7f718e250f33 [ 82.918474] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.939525] RSP: 002b:00007fff48c80628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.948017] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f718e250f33 [ 82.956015] RDX: 0000000000000014 RSI: 00007f718e141000 RDI: 0000000000000001 [ 82.964015] RBP: 00007f718e141000 R08: 00007f718e140010 R09: 0000000000000000 [ 82.972012] R10: 00007f718e34b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.980008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.988011] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.004024] CR2: ffffffff8893c328 [ 83.007733] ---[ end trace 509b96459c42c872 ]--- [ 83.012912] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.017310] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 83.038358] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 83.044218] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.052219] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 83.060214] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 83.068213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.076211] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 83.084209] FS: 00007f718e328580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 83.093280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.099722] CR2: ffffffff8893c328 CR3: 00000001058f0000 CR4: 00000000003506e0 7760] RSP: 0018:ffffa0a2c2427e48 EFLAGS: 00010246 # [ 80.323616] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 80.331617] RDX: 0000000000000000 RSI: ffff8a417bd9bf70 RDI: ffffffff888c11d8 # [ 80.339616] RBP: 00007f0239964000 R08: 0000000000000000 R09: 0000000000000000 # [ 80.347615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 80.355611] R13: ffffa0a2c2427f10 R14: ffffa0a2c2427f10 R15: ffff8a4103265000 # [ 80.363609] FS: 00007f0239935580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 80.372678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.379119] CR2: 00007f0239964000 CR3: 0000000103452000 CR4: 00000000003506e0 # [ 80.387118] Call Trace: # [ 80.389870] direct_entry.cold+0x2c/0x38 # [ 80.394276] full_proxy_write+0x56/0x80 # [ 80.398581] vfs_write+0xea/0x390 # [ 80.402301] ksys_write+0x68/0xe0 # [ 80.406021] do_syscall_64+0x33/0x40 # [ 80.410032] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 80.415695] RIP: 0033:0x7f023985df33 # [ 80.419700] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.440747] RSP: 002b:00007ffe395692c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.449229] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f023985df33 # [ 80.457224] RDX: 0000000000000011 RSI: 00007f023974e000 RDI: 0000000000000001 # [ 80.465222] RBP: 00007f023974e000 R08: 00007f023974d010 R09: 0000000000000000 # [ 80.473218] R10: 00007f02399581c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.481213] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.489222] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.505226] CR2: 00007f0239964000 # [ 80.508939] ---[ end trace 509b96459c42c86f ]--- # [ 80.514112] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.518495] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 80.539528] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 80.545380] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.553372] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 80.561366] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 80.569360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.577357] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 80.585353] FS: 00007f0239935580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 80.594418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.600855] CR2: 00007f0239964000 CR3: 0000000103452000 CR4: 00000000003506e0 # [ 80.608854] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 80.618796] in_atomic(): 0, irqs_disabled([ 83.415411] lkdtm: Performing direct entry WRITE_KERN ): 1, non_block: 0, pid: 1876, name: cat # [ 80.627272] INFO:[ 83.425207] lkdtm: attempting bad 6580794 byte write at ffffffff87ef8d5a lockdep is turned off. # [ 80.631665] irq event stamp: 0 # [ 83.438980] BUG: unable to handle page fault for address: ffffffff87ef8d5a [ 83.452873] #PF: supervisor write access in kernel mode [ 83.458727] #PF: error_code(0x0003) - permissions violation [ 83.464969] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 4ba001e1 [ 83.471714] Oops: 0003 [#16] SMP PTI [ 83.475723] CPU: 3 PID: 2016 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 83.484399] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.491044] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 83.496219] Code: 53 48 c7 c3 5a 8d ef 87 49 89 dc 48 89 da 49 81 ec 20 23 8b 87 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 20 23 8b 87 a4 48 c7 c7 c0 10 8c 88 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 83.517247] RSP: 0018:ffffa0a2c264fe50 EFLAGS: 00010246 [ 83.523102] RAX: 000000000000003c RBX: ffffffff87ef8d5a RCX: 0000000000646a3a [ 83.531096] RDX: 0000000000000000 RSI: ffffffff878b2320 RDI: ffffffff87ef8d5a [ 83.539094] RBP: ffffffff888c02ca R08: 0000000000000000 R09: 0000000000000000 [ 83.547095] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646a3a [ 83.555094] R13: ffffa0a2c264ff10 R14: ffffa0a2c264ff10 R15: ffff8a4105bf9000 [ 83.563094] FS: 00007fafcf615580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 83.572168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.578603] CR2: ffffffff87ef8d5a CR3: 0000000105b90000 CR4: 00000000003506e0 [ 83.586602] Call Trace: [ 83.589352] direct_entry.cold+0x2c/0x38 [ 83.593750] full_proxy_write+0x56/0x80 [ 83.598054] vfs_write+0xea/0x390 [ 83.601772] ksys_write+0x68/0xe0 [ 83.605493] do_syscall_64+0x33/0x40 [ 83.609503] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.615168] RIP: 0033:0x7fafcf53df33 [ 83.619176] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.640221] RSP: 002b:00007ffcc4660bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.648711] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fafcf53df33 [ 83.656707] RDX: 000000000000000b RSI: 00007fafcf42e000 RDI: 0000000000000001 [ 83.664703] RBP: 00007fafcf42e000 R08: 00007fafcf42d010 R09: 0000000000000000 [ 83.672696] R10: 00007fafcf6381c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.680688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.688694] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.704705] CR2: ffffffff87ef8d5a [ 83.708419] ---[ end trace 509b96459c42c873 ]--- [ 83.713595] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.717992] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 [ 83.739032] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 [ 83.744883] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.752876] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 [ 83.760872] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 [ 83.768868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.776862] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 [ 83.784859] FS: 00007fafcf615580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 [ 83.793926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.800364] CR2: ffffffff87ef8d5a CR3: 0000000105b90000 CR4: 00000000003506e0 [ 83.808362] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 83.818308] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2016, name: cat [ 83.826791] INFO: lockdep is turned off. [ 83.831182] irq event stamp: 0 [ 83.834605] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 83.841635] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 83.850797] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 83.859962] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.866984] CPU: 3 PID: 2016 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 83.875661] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.882294] Call Trace: [ 83.885039] dump_stack+0x77/0x97 [ 83.888755] ___might_sleep.cold+0xa6/0xb6 [ 83.893349] exit_signals+0x1c/0x2d0 [ 83.897358] do_exit+0xd5/0xb00 [ 83.900880] ? ksys_write+0x68/0xe0 [ 83.904789] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 83.910253] rewind_stack_do_exit+0x17/0x20 [ 83.914933] RIP: 0033:0x7fafcf53df33 [ 83.918938] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.939986] RSP: 002b:00007ffcc4660bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.948473] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fafcf53df33 [ 83.956473] RDX: 000000000000000b RSI: 00007fafcf42e000 RDI: 0000000000000001 [ 83.964472] RBP: 00007fafcf42e000 R08: 00007fafcf42d010 R09: 0000000000000000 [ 83.972469] R10: 00007fafcf6381c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.980466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.635087] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 80.642120] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 80.651288] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 80.660449] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 80.667476] CPU: 3 PID: 1876 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 80.676156] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.682789] Call Trace: # [ 80.685534] dump_stack+0x77/0x97 # [ 80.689251] ___might_sleep.cold+0xa6/0xb6 # [ 80.693843] exit_signals+0x1c/0x2d0 # [ 80.697851] do_exit+0xd5/0xb00 # [ 80.701370] ? ksys_write+0x68/0xe0 # [ 80.705274] rewind_stack_do_exit+0x17/0x20 # [ 80.709957] RIP: 0033:0x7f023985df33 # [ 80.713961] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.734997] RSP: 002b:00007ffe395692c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.743481] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f023985df33 # [ 80.751469] RDX: 0000000000000011 RSI: 00007f023974e000 RDI: 0000000000000001 # [ 80.759460] RBP: 00007f023974e000 R08: 00007f023974d010 R09: 0000000000000000 # [ 80.767447] R10: 00007f02399581c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.775433] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 81.101381] lkdtm: Performing direct entry ACCESS_NULL # [ 81.113195] lkdtm: attempting bad read at 0000000000000000 # [ 81.119379] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 81.127187] #PF: supervisor read access in kernel mode # [ 81.132938] #PF: error_code(0x0000) - not-present page # [ 81.144923] PGD 0 P4D 0 # [ 81.154000] Oops: 0000 [#13] SMP PTI # [ 81.158009] CPU: 2 PID: 1911 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 81.172926] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.179572] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 81.184847] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 6e bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b0 11 8c 88 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d8 11 8c 88 48 01 # [ 81.205900] RSP: 0018:ffffa0a2c249fe58 EFLAGS: 00010246 # [ 81.217978] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 81.225970] RDX: 0000000000000000 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 # [ 81.233966] RBP: ffffffff888c02a1 R08: 0000000000000000 R09: 0000000000000000 # [ 81.241962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 81.249954] R13: ffffa0a2c249ff10 R14: ffffa0a2c249ff10 R15: ffff8a410328c000 # [ 81.257952] FS: 00007f6028043580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 # [ 81.267015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.273450] CR2: 0000000000000000 CR3: 00000001032d0000 CR4: 00000000003506e0 # [ 81.281445] Call Trace: # [ 81.284199] direct_entry.cold+0x2c/0x38 # [ 81.288607] full_proxy_write+0x56/0x80 # [ 81.292911] vfs_write+0xea/0x390 # [ 81.296631] ksys_write+0x68/0xe0 # [ 81.300349] do_syscall_64+0x33/0x40 # [ 81.304359] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 81.310024[ 84.337215] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 84.344346] lkdtm: attempting good refcount_inc() without overflow ] RIP: 0033:0x7f6027f6bf33 # [ 81.314033] Code: 8b 15 61 ef 0[ 84.351304] lkdtm: attempting bad refcount_inc() overflow c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04[ 84.363607] ------------[ cut here ]------------ 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f[ 84.375010] refcount_t: saturated; leaking memory. f ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.3[ 84.386661] WARNING: CPU: 2 PID: 2051 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 35078] RSP: 002b:00007fff1ff209f8 EFLAGS: 00000246 ORIG_RAX: 000[ 84.402218] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.424454] CPU: 2 PID: 2051 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 84.433147] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.439801] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 84.445619] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 40 bd 85 88 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a [ 84.466733] RSP: 0018:ffffa0a2c26bfe48 EFLAGS: 00010286 [ 84.472612] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 84.480630] RDX: ffff8a417bd2c660 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 [ 84.488646] RBP: ffffffff888c02d5 R08: 0000000000000000 R09: 0000000000000000 [ 84.496662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 84.504678] R13: ffffa0a2c26bff10 R14: ffffa0a2c26bff10 R15: ffff8a4105bf9000 [ 84.512692] FS: 00007f8f11566580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 [ 84.521782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.528238] CR2: 00007f8f1137f000 CR3: 0000000105aa0000 CR4: 00000000003506e0 [ 84.536255] Call Trace: [ 84.539023] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 [ 84.544421] direct_entry.cold+0x2c/0x38 [ 84.548844] full_proxy_write+0x56/0x80 [ 84.553176] vfs_write+0xea/0x390 [ 84.556915] ksys_write+0x68/0xe0 [ 84.560653] do_syscall_64+0x33/0x40 [ 84.564683] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0000000000001 # [ 81.343567] RAX: ffffffffffffffda RBX: 00000[ 84.570366] RIP: 0033:0x7f8f1148ef33 [ 84.580619] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 84.601683] RSP: 002b:00007ffedeeae938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.610189] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8f1148ef33 [ 84.618196] RDX: 0000000000000016 RSI: 00007f8f1137f000 RDI: 0000000000000001 [ 84.626207] RBP: 00007f8f1137f000 R08: 00007f8f1137e010 R09: 0000000000000000 [ 84.634221] R10: 00007f8f115891c0 R11: 0000000000000246 R12: 0000000000000001 [ 84.642231] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.650250] irq event stamp: 0 [ 84.653689] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000c RCX: 00007f6027f6bf33 # [ 81.351564] RDX: 0000000[ 84.660733] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 00000000c RSI: 00007f6027e5c000 RDI: 0000000000000001 # [ 81.[ 84.676133] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 84.691547] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.698583] ---[ end trace 509b96459c42c874 ]--- [ 84.703777] lkdtm: Overflow detected: saturated 359560] RBP: 00007f6027e5c000 R08: 00007f6027e5b010 R09: 0000000000000000 # [ 81.367560] R10: 00007f60280661c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.375557] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.383570] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.399591] CR2: 0000000000000000 # [ 81.403308] ---[ end trace 509b96459c42c870 ]--- # [ 81.408488] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.412887] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 81.433921] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 81.439779] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.447780] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 81.455776] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 81.463770] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 81.471761] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 81.479755] FS: 00007f6028043580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 # [ 81.488820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.495258] CR2: 0000000000000000 CR3: 00000001032d0000 CR4: 00000000003506e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 81.798399] lkdtm: Performing direct entry WRITE_RO # [ 81.807921] lkdtm: attempting bad rodata write at ffffffff884d9ef0 # [ 81.814905] BUG: unable to handle page fault for address: ffffffff884d9ef0 # [ 81.822615] #PF: supervisor write access in kernel mode # [ 81.828470] #PF: error_code(0x0003) - permissions violation # [ 81.834715] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 800000004c0001e1 # [ 81.848467] Oops: 0003 [#14] SMP PTI # [ 81.852478] CPU: 1 PID: 1946 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 81.861145] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.867786] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 81.872767] Code: 00 48 c7 c7 90 10 8c 88 48 c7 c6 f0 9e 4d 88 e8 93 9f fd ff 48 8b 05 10 11 5e 00 ba 34 12 cd ab 48 c7 c7 c0 10 8c 88 48 31 d0 <48> 89 05 fa 10 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 # [ 81.893804] RSP: 0018:ffffa0a2c2537e60 EFLAGS: 00010202 # [ 81.899660] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 81.907655] RDX: 00000000abcd1234 RSI: ffff8a417bc9bf70 RDI: ffffffff888c10c0 # [ 81.915646] RBP: ffffffff888c02ad R08: 0000000000000000 R09: 0000000000000000 # [ 81.923641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 81.931639] R13: ffffa0a2c2537f10 R14: ffffa0a2c2537f10 R15: ffff8a4102bc3000 # [ 81.939634] FS: 00007f852fcaf580(0000) GS:ffff8a417bc80000(0000) knlGS:[ 85.004481] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 85.014858] lkdtm: attempting good refcount_add() without overflow [ 85.021827] lkdtm: attempting bad refcount_add() overflow 0000000000000000 # [ 81.948699] CS: 0010 DS: 0000 ES: 0000 C[ 85.027897] ------------[ cut here ]------------ [ 85.039320] refcount_t: saturated; leaking memory. [ 85.044766] WARNING: CPU: 1 PID: 2083 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 85.054146] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.070204] CPU: 1 PID: 2083 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 85.078958] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.085654] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 85.091440] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 40 bd 85 88 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a [ 85.112480] RSP: 0018:ffffa0a2c2757e48 EFLAGS: 00010286 [ 85.118357] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 85.126370] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 [ 85.134381] RBP: ffffffff888c02eb R08: 0000000000000000 R09: 0000000000000000 [ 85.142393] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 85.150406] R13: ffffa0a2c2757f10 R14: ffffa0a2c2757f10 R15: ffff8a41032a1000 [ 85.158414] FS: 00007f14715b4580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 85.167503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.173966] CR2: 00007f14713cd000 CR3: 0000000105b92000 CR4: 00000000003506e0 [ 85.181984] Call Trace: [ 85.184761] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 [ 85.190161] direct_entry.cold+0x2c/0x38 [ 85.194591] full_proxy_write+0x56/0x80 [ 85.198917] vfs_write+0xea/0x390 [ 85.202659] ksys_write+0x68/0xe0 [ 85.206403] do_syscall_64+0x33/0x40 [ 85.210435] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.216123] RIP: 0033:0x7f14714dcf33 [ 85.220155] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.241226] RSP: 002b:00007ffeaf1870f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.249725] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f14714dcf33 [ 85.257746] RDX: 0000000000000016 RSI: 00007f14713cd000 RDI: 0000000000000001 [ 85.265764] RBP: 00007f14713cd000 R08: 00007f14713cc010 R09: 0000000000000000 [ 85.273785] R10: 00007f14715d71c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.281807] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 85.289839] irq event stamp: 0 R0: 0000000080050033 # [ 81.955132] CR2: ffffffff884d9ef0 CR3[ 85.293278] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 00000001026e8000 CR4: 00000000003506e0 # [ 81.963122] Call [ 85.306556] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 85.321965] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 85.331156] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.338206] ---[ end trace 509b96459c42c875 ]--- [ 85.343400] lkdtm: Overflow detected: saturated Trace: # [ 81.965869] direct_entry.cold+0x2c/0x38 # [ 81.970274] full_proxy_write+0x56/0x80 # [ 81.980805] vfs_write+0xea/0x390 # [ 81.984521] ksys_write+0x68/0xe0 # [ 81.988239] do_syscall_64+0x33/0x40 # [ 81.992246] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 81.997902] RIP: 0033:0x7f852fbd7f33 # [ 82.001909] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.022935] RSP: 002b:00007ffc7c81ab98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.031417] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f852fbd7f33 # [ 82.039413] RDX: 0000000000000009 RSI: 00007f852fac8000 RDI: 0000000000000001 # [ 82.047407] RBP: 00007f852fac8000 R08: 00007f852fac7010 R09: 0000000000000000 # [ 82.055402] R10: 00007f852fcd21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.063393] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.071391] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.087403] CR2: ffffffff884d9ef0 # [ 82.091117] ---[ end trace 509b96459c42c871 ]--- # [ 82.096290] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.100686] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 82.127939] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 82.133791] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.141783] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 82.149782] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 82.157781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.165775] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 82.173768] FS: 00007f852fcaf580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 82.182837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.189274] CR2: ffffffff884d9ef0 CR3: 00000001026e8000 CR4: 00000000003506e0 # [ 82.197265] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 82.207202] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1946, name: cat # [ 82.215680] INFO: lockdep is turned off. # [ 82.220073] irq event stamp: 0 # [ 82.223490] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.230515] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.239682] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.248835] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.255861] CPU: 1 PID: 1946 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 82.264528] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.271159] Call Trace: # [ 82.273905] dump_stack+0x77/0x97 # [ 82.277624] ___might_sleep.cold+0xa6/0xb6 # [ 82.282218] exit_signals+0x1c/0x2d0 # [ 82.286227[ 85.660511] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 85.673985] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 85.680938] ------------[ cut here ]------------ [ 85.686127] refcount_t: saturated; leaking memory. [ 85.691562] WARNING: CPU: 1 PID: 2115 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 85.700941] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.716976] CPU: 1 PID: 2115 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 85.725679] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.732337] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 85.738114] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b [ 85.759158] RSP: 0018:ffffa0a2c27bfe38 EFLAGS: 00010282 [ 85.765048] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 85.773063] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 [ 85.781075] RBP: ffffffff888bff28 R08: 0000000000000000 R09: 0000000000000000 [ 85.789101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 85.797115] R13: ffffa0a2c27bff10 R14: ffffa0a2c27bff10 R15: ffff8a410354f000 [ 85.805120] FS: 00007f36f06f2580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 85.814205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.820658] CR2: 00007f36f050b000 CR3: 00000001039c6000 CR4: 00000000003506e0 [ 85.828663] Call Trace: [ 85.831427] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 85.837601] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 85.843869] direct_entry.cold+0x2c/0x38 [ 85.848291] full_proxy_write+0x56/0x80 [ 85.852622] vfs_write+0xea/0x390 [ 85.856364] ksys_write+0x68/0xe0 [ 85.860104] do_syscall_64+0x33/0x40 [ 85.864136] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.869830] RIP: 0033:0x7f36f061af33 [ 85.873861] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.894915] RSP: 002b:00007ffd410ba378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.903419] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f36f061af33 [ 85.911424] RDX: 000000000000001f RSI: 00007f36f050b000 RDI: 0000000000000001 [ 85.919439] RBP: 00007f36f050b000 R08: 00007f36f050a010 R09: 0000000000000000 [ 85.927452] R10: 00007f36f07151c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.935460] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] do_exit+0xd5/0xb00 # [ 82.289750] ? ksys_write+0x68/0xe0[ 85.943482] irq event stamp: 0 # [ 82.293664] rewind_stack_do_exit+0x17/0x20 # [ 82.2983[ 85.953130] hardirqs last enabled at (0): [<0000000000000000>] 0x0 53] RIP: 0033:0x7f852fbd7f33 # [ 82.302359] Code: 8b 15 61 ef[ 85.966387] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 85.981784] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 85.990973] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.998011] ---[ end trace 509b96459c42c876 ]--- [ 86.003195] lkdtm: Overflow detected: saturated 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.323381] RSP: 002b:00007ffc7c81ab98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.331860] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f852fbd7f33 # [ 82.339849] RDX: 0000000000000009 RSI: 00007f852fac8000 RDI: 0000000000000001 # [ 82.347837] RBP: 00007f852fac8000 R08: 00007f852fac7010 R09: 0000000000000000 # [ 82.355831] R10: 00007f852fcd21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.363827] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 82.716135] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 82.727640] lkdtm: attempting bad ro_after_init write at ffffffff8893c328 # [ 82.735301] BUG: unable to handle page fault for address: ffffffff8893c328 # [ 82.749208] #PF: supervisor write access in kernel mode # [ 82.755065] #PF: error_code(0x0003) - permissions violation # [ 82.761310] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 104b90163 PTE 800000004c53c061 # [ 82.770110] Oops: 0003 [#15] SMP PTI # [ 82.774111] CPU: 1 PID: 1981 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 82.782794] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.789443] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 82.795500] Code: 10 8c 88 e9 45 9f fd ff 48 c7 c7 18 11 8c 88 e8 39 9f fd ff 48 8b 05 ee 34 a4 00 ba 34 12 cd ab 48 c7 c7 c0 10 8c 88 48 31 d0 <48> 89 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 82.816546] RSP: 0018:ffffa0a2c25cfe60 EFLAGS: 00010202 # [ 82.822395] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 82.830395] RDX: 00000000abcd1234 RSI: ffff8a417bc9bf70 RDI: ffffffff888c10c0 # [ 82.838394] RBP: ffffffff888c02b6 R08: 0000000000000000 R09: 0000000000000000 # [ 82.846392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 82.854393] R13: ffffa0a2c25cff10 R14: ffffa0a2c25cff10 R15: ffff8a4102679000 # [ 82.862395] FS: 00007f718e328580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 82.871463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.877900] CR2: ffffffff8893c328 CR3: 00000001058f0000 CR4: 00000000003506e0 # [ 82.885894] Call Trace: # [ 82.888641] direct_entry.cold+0x2c/0x38 # [ 82.893051] full_proxy_write+0x56/0x80 # [ 82.897354] vfs_write+0xea/0x390 # [ 82.901073] ksys_write+0x68/0xe0 # [ 82.904792] do_syscall_64+0x33/0x40 # [ 82.908801] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 82.914466] RIP: 0033:0x7f718e250f33 # [ 82.918474] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.939525] RSP: 002b:00007fff48c80628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.948017] RAX: ffffffffffffffda RBX: 0000000000000014[ 86.313532] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW RCX: 00007f718e250f33 # [ 82.956015] RDX: 0000000000000014 R[ 86.327474] lkdtm: attempting bad refcount_add_not_zero() overflow SI: 00007f718e141000 RDI: 0000000000000001 # [ 82.964015] RBP[ 86.340661] ------------[ cut here ]------------ : 00007f718e141000 R08: 00007f718e140010 R09: 0000000000000000 [ 86.352091] refcount_t: saturated; leaking memory. # [ 82.972012] R10: 00007f718e34b1c0 R11: 0000000000000246 R12[ 86.363762] WARNING: CPU: 0 PID: 2147 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 : 0000000000000001 # [ 82.980008] R13: 0000000000000001 R14: [ 86.379356] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000020000 R15: 0000000000020000 # [ 82.988011] Modules[ 86.401655] CPU: 0 PID: 2147 Comm: cat Tainted: G D W 5.10.125-cip10 #1 linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_[ 86.416565] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.429456] RIP: 0010:refcount_warn_saturate+0x87/0xf0 ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_[ 86.435240] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b [ 86.462515] RSP: 0018:ffffa0a2c2857e38 EFLAGS: 00010282 [ 86.468399] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 86.476416] RDX: ffff8a417bc2c660 RSI: ffff8a417bc1bf70 RDI: ffff8a417bc1bf70 [ 86.484437] RBP: ffffffff888bff48 R08: 0000000000000000 R09: 0000000000000000 [ 86.492453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 86.500471] R13: ffffa0a2c2857f10 R14: ffffa0a2c2857f10 R15: ffff8a4102988000 [ 86.508489] FS: 00007fbe314c7580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 86.517579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.524039] CR2: 00007fbe312e0000 CR3: 0000000103348000 CR4: 00000000003506f0 [ 86.532053] Call Trace: [ 86.534821] __refcount_add_not_zero.constprop.0+0x2a/0x31 usbpd_notify # [ 83.004024] CR2: ffffffff8893c328 # [ 83.0[ 86.541000] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 86.553471] direct_entry.cold+0x2c/0x38 [ 86.557901] full_proxy_write+0x56/0x80 07733] ---[ end trace 509b96459c42c872 ]--- # [ 83.012912] RI[ 86.562228] vfs_write+0xea/0x390 [ 86.572178] ksys_write+0x68/0xe0 [ 86.575912] do_syscall_64+0x33/0x40 [ 86.579946] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.585634] RIP: 0033:0x7fbe313eff33 [ 86.589664] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 86.610732] RSP: 002b:00007ffcca1d1d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 P: 0010:lkdtm_BUG+0x5/0x10 # [ 83.017310] Code: 56 a5 ff 48 c[ 86.619240] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbe313eff33 7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff[ 86.633489] RDX: 000000000000001f RSI: 00007fbe312e0000 RDI: 0000000000000001 [ 86.647725] RBP: 00007fbe312e0000 R08: 00007fbe312df010 R09: 0000000000000000 [ 86.655748] R10: 00007fbe314ea1c0 R11: 0000000000000246 R12: 0000000000000001 [ 86.663766] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 86.671799] irq event stamp: 0 ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 86.675244] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.688507] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 86.697702] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 86.706894] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.713938] ---[ end trace 509b96459c42c877 ]--- [ 86.719135] lkdtm: Overflow detected: saturated f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 83.038358] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 83.044218] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83.052219] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 83.060214] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 83.068213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 83.076211] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 83.084209] FS: 00007f718e328580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 83.093280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.099722] CR2: ffffffff8893c328 CR3: 00000001058f0000 CR4: 00000000003506e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 83.415411] lkdtm: Performing direct entry WRITE_KERN # [ 83.425207] lkdtm: attempting bad 6580794 byte write at ffffffff87ef8d5a # [ 83.438980] BUG: unable to handle page fault for address: ffffffff87ef8d5a # [ 83.452873] #PF: supervisor write access in kernel mode # [ 83.458727] #PF: error_code(0x0003) - permissions violation # [ 83.464969] PGD 4c629067 P4D 4c629067 PUD 4c62a063 PMD 4ba001e1 # [ 83.471714] Oops: 0003 [#16] SMP PTI # [ 83.475723] CPU: 3 PID: 2016 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 83.484399] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.491044] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 83.496219] Code: 53 48 c7 c3 5a 8d ef 87 49 89 dc 48 89 da 49 81 ec 20 23 8b 87 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 20 23 8b 87 a4 48 c7 c7 c0 10 8c 88 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 83.517247] RSP: 0018:ffffa0a2c264fe50 EFLAGS: 00010246 # [ 83.523102] RAX: 000000000000003c RBX: ffffffff87ef8d5a RCX: 0000000000646a3a # [ 83.531096] RDX: 0000000000000000 RSI: ffffffff878b2320 RDI: ffffffff87ef8d5a # [ 83.539094] RBP: ffffffff888c02ca R08: 0000000000000000 R09: 0000000000000000 # [ 83.547095] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646a3a # [ 83.555094] R13: ffffa0a2c264ff10 R14: ffffa0a2c264ff10 R15: ffff8a4105bf9000 # [ 83.563094] FS: 00007fafcf615580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 83.572168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.578603] CR2: ffffffff87ef8d5a CR3: 0000000105b90000 CR4: 00000000003506e0 # [ 83.586602] Call Trace: # [ 83.589352] direct_entry.cold+0x2c/0x38 # [ 83.593750] full_proxy_write+0x56/0x80 # [ 83.598054] vfs_write+0xea/0x390 # [ 83.601772] ksys_write+0x68/0xe0 # [ 83.605493] do_syscall_64+0x33/0x40 # [ 83.609503] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 83.615168] RIP: 0033:0x7fafcf53df33 # [ 83.619176] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.640221] RSP: 002b:00007ffcc4660bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.648711] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fafcf53df33 # [ 83.656707] RDX: 000000000000000b RS[ 87.044637] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 87.054658] lkdtm: attempting good refcount_dec() I: 00007fafcf42e000 RDI: 0000000000000001 # [ 83.664703] RBP:[ 87.059970] lkdtm: attempting bad refcount_dec() to zero [ 87.072180] ------------[ cut here ]------------ [ 87.077376] refcount_t: decrement hit 0; leaking memory. 00007fafcf42e000 R08: 00007fafcf42d010 R09: 0000000000000000 #[ 87.083397] WARNING: CPU: 0 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 83.672696] R10: 00007fafcf6381c0 R11: 0000000000000246 R12:[ 87.098971] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000000001 # [ 83.680688] R13: 0000000000000001 R14: 0[ 87.121231] CPU: 0 PID: 2179 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 87.136154] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.142820] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 87.148606] Code: ff 48 c7 c7 f0 bd 85 88 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 85 88 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 87.169682] RSP: 0018:ffffa0a2c28c7e48 EFLAGS: 00010286 [ 87.175560] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 87.183579] RDX: ffff8a417bc2c660 RSI: ffff8a417bc1bf70 RDI: ffff8a417bc1bf70 [ 87.191597] RBP: ffffffff888c0301 R08: 0000000000000000 R09: 0000000000000000 [ 87.199611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 87.207624] R13: ffffa0a2c28c7f10 R14: ffffa0a2c28c7f10 R15: ffff8a41029b4000 [ 87.215640] FS: 00007ffac0dce580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 87.224732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.231197] CR2: 00007ffac0be7000 CR3: 0000000103214000 CR4: 00000000003506f0 [ 87.239212] Call Trace: [ 87.241985] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 [ 87.247004] direct_entry.cold+0x2c/0x38 000000000020000 R15: 0000000000020000 # [ 83.688694] Modules [ 87.251438] full_proxy_write+0x56/0x80 [ 87.261954] vfs_write+0xea/0x390 linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_e[ 87.265690] ksys_write+0x68/0xe0 [ 87.275638] do_syscall_64+0x33/0x40 [ 87.279671] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.285358] RIP: 0033:0x7ffac0cf6f33 [ 87.289387] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 87.310472] RSP: 002b:00007ffc55e5e0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_u[ 87.318987] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ffac0cf6f33 sbpd_notify # [ 83.704705] CR2: ffffffff87ef8d5a # [ 83.70[ 87.333232] RDX: 0000000000000012 RSI: 00007ffac0be7000 RDI: 0000000000000001 [ 87.347471] RBP: 00007ffac0be7000 R08: 00007ffac0be6010 R09: 0000000000000000 [ 87.355491] R10: 00007ffac0df11c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.363502] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.371535] irq event stamp: 0 [ 87.374988] hardirqs last enabled at (0): [<0000000000000000>] 0x0 8419] ---[ end trace 509b96459c42c873 ]--- # [ 83.713595] RIP[ 87.382088] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 : 0010:lkdtm_BUG+0x5/0x10 # [ 83.717992] Code: 56 a5 ff 48 c7[ 87.397500] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 87.412907] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.419950] ---[ end trace 509b96459c42c878 ]--- [ 87.425137] lkdtm: Zero detected: saturated c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 c0 15 70 02 # [ 83.739032] RSP: 0018:ffffa0a2c131fe60 EFLAGS: 00010286 # [ 83.744883] RAX: ffffffff878b1f50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83.752876] RDX: 0000000000000000 RSI: ffff8a417bc1bf70 RDI: ffffffff884d9a70 # [ 83.760872] RBP: ffffffff8891b490 R08: 0000000000000001 R09: 0000000000000001 # [ 83.768868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 83.776862] R13: ffffa0a2c131ff10 R14: ffffa0a2c131ff10 R15: ffff8a410368a000 # [ 83.784859] FS: 00007fafcf615580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 83.793926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.800364] CR2: ffffffff87ef8d5a CR3: 0000000105b90000 CR4: 00000000003506e0 # [ 83.808362] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 83.818308] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2016, name: cat # [ 83.826791] INFO: lockdep is turned off. # [ 83.831182] irq event stamp: 0 # [ 83.834605] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.841635] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 83.850797] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 83.859962] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 83.866984] CPU: 3 PID: 2016 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 83.875661] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.882294] Call Trace: # [ 83.885039] dump_stack+0x77/0x97 # [ 83.888755] ___might_sleep.cold+0xa6/0xb6 # [ 83.893349] exit_signals+0x1c/0x2d0 # [ 83.897358] do_exit+0xd5/0xb00 # [ 83.900880] ? ksys_write+0x68/0xe0 # [ 83.904789] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 83.910253] rewind_stack_do_exit+0x17/0x20 # [ 83.914933] RIP: 0033:0x7fafcf53df33 # [ 83.918938] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.939986] RSP: 002b:00007ffcc4660bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.948473] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fafcf53df33 # [ 83.956473] RDX: 000000000000000b RSI: 00007fafcf42e000 RDI: 0000000000000001 # [ 83.964472] RBP: 00007fafcf42e000 R08: 00007fafcf42d010 R09: 0000000000000000 # [ 83.972469] R10: 00007fafcf6381c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.980466] 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 # [ 84.337215] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 84.344346] lkdtm: attempting good refcount_inc() without overflow # [ 84.351304] lkdtm: attempting bad refcount_inc() overflow # [ 84.363607] ------------[ cut here ]------------ # [ 84.375010] refcount_t: saturated; leaking memory. # [ 84.386661] WARNING: CPU: 2 PID: 2051 at lib/refcount.c:22 refcount_warn_[ 87.752364] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 87.760754] lkdtm: attempting bad refcount_dec() below zero saturate+0x49/0xf0 # [ 84.402218] Modules linked in: fuse ip_[ 87.767045] ------------[ cut here ]------------ [ 87.778413] refcount_t: decrement hit 0; leaking memory. tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_[ 87.784434] WARNING: CPU: 0 PID: 2214 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 87.800023] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 84.424454] CPU: 2 PID: 2051 Comm: cat Tainted: G D W [ 87.822282] CPU: 0 PID: 2214 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 87.837197] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.843856] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 87.849639] Code: ff 48 c7 c7 f0 bd 85 88 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 85 88 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 87.870715] RSP: 0018:ffffa0a2c293fe48 EFLAGS: 00010286 [ 87.876601] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 87.884626] RDX: ffff8a417bc2c660 RSI: ffff8a417bc1bf70 RDI: ffff8a417bc1bf70 [ 87.892660] RBP: ffffffff888c0313 R08: 0000000000000000 R09: 0000000000000000 [ 87.900676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 87.908686] R13: ffffa0a2c293ff10 R14: ffffa0a2c293ff10 R15: ffff8a4102a34000 [ 87.916702] FS: 00007f46f2cca580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 [ 87.925782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 5.10.125-cip10 #1 # [ 84.433147] Hardware name: Google Cora[ 87.932245] CR2: 00007f46f2ae3000 CR3: 000000010323e000 CR4: 00000000003506f0 [ 87.946494] Call Trace: l/Coral, BIOS 09/29/2020 # [ 84.439801] RIP: 0010:refcount_w[ 87.949264] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 87.960882] direct_entry.cold+0x2c/0x38 arn_saturate+0x49/0xf0 # [ 84.445619] Code: 76 01 00 0f 84 a4[ 87.965313] full_proxy_write+0x56/0x80 [ 87.975828] vfs_write+0xea/0x390 [ 87.979569] ksys_write+0x68/0xe0 [ 87.983313] do_syscall_64+0x33/0x40 [ 87.987348] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.993035] RIP: 0033:0x7f46f2bf2f33 [ 87.997061] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 88.018140] RSP: 002b:00007fff801d6288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 40 [ 88.026658] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f46f2bf2f33 bd 85 88 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a[ 88.040884] RDX: 0000000000000016 RSI: 00007f46f2ae3000 RDI: 0000000000000001 [ 88.055129] RBP: 00007f46f2ae3000 R08: 00007f46f2ae2010 R09: 0000000000000000 [ 88.063151] R10: 00007f46f2ced1c0 R11: 0000000000000246 R12: 0000000000000001 [ 88.071172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.079205] irq event stamp: 0 [ 88.082652] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a # [ 84.46673[ 88.089761] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 3] RSP: 0018:ffffa0a2c26bfe48 EFLAGS: 00010286 # [ 84.472612][ 88.105181] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 88.120585] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.127634] ---[ end trace 509b96459c42c879 ]--- [ 88.132826] lkdtm: Negative detected: saturated RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 84.480630] RDX: ffff8a417bd2c660 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 # [ 84.488646] RBP: ffffffff888c02d5 R08: 0000000000000000 R09: 0000000000000000 # [ 84.496662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 84.504678] R13: ffffa0a2c26bff10 R14: ffffa0a2c26bff10 R15: ffff8a4105bf9000 # [ 84.512692] FS: 00007f8f11566580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 # [ 84.521782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.528238] CR2: 00007f8f1137f000 CR3: 0000000105aa0000 CR4: 00000000003506e0 # [ 84.536255] Call Trace: # [ 84.539023] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 84.544421] direct_entry.cold+0x2c/0x38 # [ 84.548844] full_proxy_write+0x56/0x80 # [ 84.553176] vfs_write+0xea/0x390 # [ 84.556915] ksys_write+0x68/0xe0 # [ 84.560653] do_syscall_64+0x33/0x40 # [ 84.564683] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 84.570366] RIP: 0033:0x7f8f1148ef33 # [ 84.580619] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.601683] RSP: 002b:00007ffedeeae938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.610189] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8f1148ef33 # [ 84.618196] RDX: 0000000000000016 RSI: 00007f8f1137f000 RDI: 0000000000000001 # [ 84.626207] RBP: 00007f8f1137f000 R08: 00007f8f1137e010 R09: 0000000000000000 # [ 84.634221] R10: 00007f8f115891c0 R11: 0000000000000246 R12: 0000000000000001 # [ 84.642231] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.650250] irq event stamp: 0 # [ 84.653689] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.660733] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.676133] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.691547] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.698583] ---[ end trace 509b96459c42c874 ]--- # [ 84.703777] 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 # [ 85.004481] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 85.014858] lkdtm: attempting good refcount_add() without overflow # [ 85.021827] lkdtm: attempting bad refcount_add() overflow # [ 85.027897] ------------[ cut here ]------------ # [ 85.039320] refcount_t: saturated; leaking memory. # [ 85.044766] WARNING: CPU: 1 PID: 2083 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 85.054146] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.070204] CPU: 1 PID: 2083 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 85.078958] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.085654] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 85.091440] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 40 bd 8[ 88.460952] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 5 88 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e [ 88.469802] lkdtm: attempting bad refcount_dec_and_test() below zero 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a # [ 85.112480] R[ 88.483182] ------------[ cut here ]------------ SP: 0018:ffffa0a2c2757e48 EFLAGS: 00010286 # [ 85.118357] RAX[ 88.494607] refcount_t: underflow; use-after-free. : 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 88.506294] WARNING: CPU: 3 PID: 2249 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 85.126370] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI[ 88.521855] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : ffff8a417bc9bf70 # [ 85.134381] RBP: ffffffff888c02eb R08: [ 88.544047] CPU: 3 PID: 2249 Comm: cat Tainted: G D W 5.10.125-cip10 #1 0000000000000000 R09: 0000000000000000 # [ 85.142393] R10: 00[ 88.558952] Hardware name: Google Coral/Coral, BIOS 09/29/2020 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ [ 88.571853] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 85.150406] R13: ffffa0a2c2757f10 R14: ffffa0a2c2757f10 R15: ff[ 88.583844] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 85 ff8a41032a1000 # [ 85.158414] FS: 00007f14715b4580(0000) GS:[ 88.611149] RSP: 0018:ffffa0a2c29bfe40 EFLAGS: 00010286 ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 85.167503] [ 88.623236] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.1739[ 88.637498] RDX: ffff8a417bdac660 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 66] CR2: 00007f14713cd000 CR3: 0000000105b92000 CR4: 00000000003[ 88.651728] RBP: ffffffff888bff68 R08: 0000000000000000 R09: 0000000000000000 506e0 # [ 85.181984] Call Trace: # [ 85.184761] lkdtm_REF[ 88.665993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f COUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 85.190161] direct_entry.col[ 88.680219] R13: ffffa0a2c29bff10 R14: ffffa0a2c29bff10 R15: ffff8a410531c000 d+0x2c/0x38 # [ 85.194591] full_proxy_write+0x56/0x80 # [ [ 88.694482] FS: 00007fc998b60580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 85.198917] vfs_write+0xea/0x390 # [ 85.202659] ksys_write+[ 88.709768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0x68/0xe0 # [ 85.206403] do_syscall_64+0x33/0x40 # [ 85.2[ 88.722449] CR2: 00007fc998979000 CR3: 00000001040e2000 CR4: 00000000003506e0 10435] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.21612[ 88.736703] Call Trace: 3] RIP: 0033:0x7f14714dcf33 # [ 85.220155] Code: 8b 15 61 ef [ 88.745755] __refcount_sub_and_test.constprop.0+0x34/0x40 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0[ 88.758392] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 [ 88.770624] direct_entry.cold+0x2c/0x38 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.[ 88.781418] full_proxy_write+0x56/0x80 241226] RSP: 002b:00007ffeaf1870f8 EFLAGS: 00000246 ORIG_RAX: 00[ 88.791962] vfs_write+0xea/0x390 00000000000001 # [ 85.249725] RAX: ffffffffffffffda RBX: 0000[ 88.801884] ksys_write+0x68/0xe0 000000000016 RCX: 00007f14714dcf33 # [ 85.257746] RDX: 000000[ 88.811700] do_syscall_64+0x33/0x40 0000000016 RSI: 00007f14713cd000 RDI: 0000000000000001 # [ 85[ 88.822043] entry_SYSCALL_64_after_hwframe+0x44/0xa9 .265764] RBP: 00007f14713cd000 R08: 00007f14713cc010 R09: 000000[ 88.833861] RIP: 0033:0x7fc998a88f33 0000000000 # [ 85.273785] R10: 00007f14715d71c0 R11: 00000000[ 88.844291] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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 R12: 0000000000000001 # [ 85.281807] R13: 0000000000[ 88.871492] RSP: 002b:00007ffc9c52c5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.289[ 88.886270] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc998a88f33 839] irq event stamp: 0 # [ 85.293278] hardirqs last enabled[ 88.900430] RDX: 000000000000001f RSI: 00007fc998979000 RDI: 0000000000000001 at (0): [<0000000000000000>] 0x0 # [ 85.306556] hardirqs las[ 88.914687] RBP: 00007fc998979000 R08: 00007fc998978010 R09: 0000000000000000 t disabled at (0): [] copy_process+0x63c/0x1c8[ 88.928922] R10: 00007fc998b831c0 R11: 0000000000000246 R12: 0000000000000001 0 # [ 85.321965] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.331156] softirqs las[ 88.957423] irq event stamp: 0 t disabled at (0): [<0000000000000000>] 0x0 # [ 85.338206] --[ 88.967093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 -[ end trace 509b96459c42c875 ]--- # [ 85.343400] lkdtm: Over[ 88.980384] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 flow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call tra[ 88.995802] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ce:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # se[ 89.011202] softirqs last disabled at (0): [<0000000000000000>] 0x0 lftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 85.6605[ 89.024499] ---[ end trace 509b96459c42c87a ]--- 11] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLO[ 89.035892] lkdtm: Negative detected: saturated W # [ 85.673985] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 85.680938] ------------[ cut here ]------------ # [ 85.686127] refcount_t: saturated; leaking memory. # [ 85.691562] WARNING: CPU: 1 PID: 2115 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 85.700941] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.716976] CPU: 1 PID: 2115 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 85.725679] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.732337] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 85.738114] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b # [ 85.759158] RSP: 0018:ffffa0a2c27bfe38 EFLAGS: 00010282 # [ 85.765048] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 85.773063] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 # [ 85.781075] RBP: ffffffff888bff28 R08: 0000000000000000 R09: 0000000000000000 # [ 85.789101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 85.797115] R13: ffffa0a2c27bff10 R14: ffffa0a2c27bff10 R15: ffff8a410354f000 # [ 85.805120] FS: 00007f36f06f2580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 85.814205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.820658] CR2: 00007f36f050b000 CR3: 00000001039c6000 CR4: 00000000003506e0 # [ 85.828663] Call Trace: # [ 85.831427] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 85.837601] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 85.843869] direct_entry.cold+0x2c/0x38 # [ 85.848291] full_proxy_write+0x56/0x80 # [ 85.852622] vfs_write+0xea/0x390 # [ 85.856364] ksys_write+0x68/0xe0 # [ 85.860104] do_syscall_64+0x33/0x40 # [ 85.864136] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.869830] RIP: 0033:0x7f36f061af33 # [ 85.873861] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.894915] RSP: 002b:00007ffd410ba378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.903419] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f36f061af33 # [ 85.911424] RDX: 000000000000001f RSI: 00007f36f050b000 RDI: 0000000000000001 # [ 85.919439] RBP: 00007f36f050b000 R08: 00007f36f050a010 R09: 0000000000000000 # [ 85.927452] R10: 00007f36f07151c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.935460] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.943482] irq event stamp: 0 # [ 85.953130] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.966387] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.981784] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.990973] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.998011] ---[ end trace 509b96459c42c876 ]--- # [ 86.003195] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdt[ 89.376344] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 89.385175] lkdtm: attempting bad refcount_sub_and_test() below zero m: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOU[ 89.392346] ------------[ cut here ]------------ NT_ADD_NOT_ZERO_OVERFLOW.sh # [ 86.313532] lkdtm: Performing [ 89.403788] refcount_t: underflow; use-after-free. direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 86.327474] lk[ 89.415436] WARNING: CPU: 1 PID: 2284 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 89.431025] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify dtm: attempting bad refcount_add_not_zero() overflow # [ 86.3[ 89.447077] CPU: 1 PID: 2284 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 89.461976] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.468643] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 89.474421] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 85 [ 89.495497] RSP: 0018:ffffa0a2c2a47e40 EFLAGS: 00010286 [ 89.501383] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 89.509411] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 [ 89.517433] RBP: ffffffff888bff88 R08: 0000000000000000 R09: 0000000000000000 [ 89.525467] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 89.533490] R13: ffffa0a2c2a47f10 R14: ffffa0a2c2a47f10 R15: ffff8a4105a90000 [ 89.541515] FS: 00007f92c2ba4580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 89.550604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.557066] CR2: 00007f92c29bd000 CR3: 0000000103338000 CR4: 00000000003506e0 [ 89.565087] Call Trace: [ 89.567850] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 89.574034] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 40661] ------------[ cut here ]------------ # [ 86.352091] re[ 89.580309] direct_entry.cold+0x2c/0x38 [ 89.590960] full_proxy_write+0x56/0x80 [ 89.595289] vfs_write+0xea/0x390 [ 89.599033] ksys_write+0x68/0xe0 [ 89.602764] do_syscall_64+0x33/0x40 [ 89.606796] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.612483] RIP: 0033:0x7f92c2accf33 [ 89.616514] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 89.637591] RSP: 002b:00007fff333bb278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.646101] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f92c2accf33 [ 89.654108] RDX: 000000000000001f RSI: 00007f92c29bd000 RDI: 0000000000000001 [ 89.662131] RBP: 00007f92c29bd000 R08: 00007f92c29bc010 R09: 0000000000000000 [ 89.670143] R10: 00007f92c2bc71c0 R11: 0000000000000246 R12: 0000000000000001 fcount_t: saturated; leaking memory. # [ 86.363762] WARNING: [ 89.678183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CPU: 0 PID: 2147 at lib/refcount.c:19 refcount_warn_saturate+0x8[ 89.692424] irq event stamp: 0 [ 89.702089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.709149] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 89.718346] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 89.727537] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.734591] ---[ end trace 509b96459c42c87b ]--- [ 89.739785] lkdtm: Negative detected: saturated 7/0xf0 # [ 86.379356] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.401655] CPU: 0 PID: 2147 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 86.416565] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.429456] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 86.435240] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b # [ 86.462515] RSP: 0018:ffffa0a2c2857e38 EFLAGS: 00010282 # [ 86.468399] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 86.476416] RDX: ffff8a417bc2c660 RSI: ffff8a417bc1bf70 RDI: ffff8a417bc1bf70 # [ 86.484437] RBP: ffffffff888bff48 R08: 0000000000000000 R09: 0000000000000000 # [ 86.492453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.500471] R13: ffffa0a2c2857f10 R14: ffffa0a2c2857f10 R15: ffff8a4102988000 # [ 86.508489] FS: 00007fbe314c7580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 86.517579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.524039] CR2: 00007fbe312e0000 CR3: 0000000103348000 CR4: 00000000003506f0 # [ 86.532053] Call Trace: # [ 86.534821] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 86.541000] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 86.553471] direct_entry.cold+0x2c/0x38 # [ 86.557901] full_proxy_write+0x56/0x80 # [ 86.562228] vfs_write+0xea/0x390 # [ 86.572178] ksys_write+0x68/0xe0 # [ 86.575912] do_syscall_64+0x33/0x40 # [ 86.579946] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 86.585634] RIP: 0033:0x7fbe313eff33 # [ 86.589664] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 86.610732] RSP: 002b:00007ffcca1d1d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.619240] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbe313eff33 # [ 86.633489] RDX: 000000000000001f RSI: 00007fbe312e0000 RDI: 0000000000000001 # [ 86.647725] RBP: 00007fbe312e0000 R08: 00007fbe312df010 R09: 0000000000000000 # [ 86.655748] R10: 00007fbe314ea1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.663766] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.671799] irq event stamp: 0 # [ 86.675244] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.688507] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.697702] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.706894] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.713938] ---[ end trace 509b96459c42c877 ]--- # [ 86.719135] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ [ 90.055348] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 87.044637] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [[ 90.063287] lkdtm: attempting safe refcount_inc_not_zero() from zero 87.054658] lkdtm: attempting good refcount_dec() # [ 87.05[ 90.076711] lkdtm: Good: zero detected 9970] lkdtm: attempting bad refcount_dec() to zero # [ 87.072[ 90.087182] lkdtm: Correctly stayed at zero 180] ------------[ cut here ]------------ # [ 87.077376] refc[ 90.098071] lkdtm: attempting bad refcount_inc() from zero ount_t: decrement hit 0; leaking memory. # [ 87.083397] WARNI[ 90.110743] ------------[ cut here ]------------ NG: CPU: 0 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate[ 90.121914] refcount_t: addition on 0; use-after-free. +0xdf/0xf0 # [ 87.098971] Modules linked in: fuse ip_tables c[ 90.134301] WARNING: CPU: 3 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 ros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x8[ 90.149519] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.12123[ 90.171808] CPU: 3 PID: 2316 Comm: cat Tainted: G D W 5.10.125-cip10 #1 1] CPU: 0 PID: 2179 Comm: cat Tainted: G D W 5.10.1[ 90.186795] Hardware name: Google Coral/Coral, BIOS 09/29/2020 25-cip10 #1 # [ 87.136154] Hardware name: Google Coral/Coral,[ 90.199629] RIP: 0010:refcount_warn_saturate+0x68/0xf0 BIOS 09/29/2020 # [ 87.142820] RIP: 0010:refcount_warn_satu[ 90.211685] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d rate+0xdf/0xf0 # [ 87.148606] Code: ff 48 c7 c7 f0 bd 85 88 c[ 90.238923] RSP: 0018:ffffa0a2c2a87e48 EFLAGS: 00010286 6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 85 88[ 90.251074] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 8[ 90.265269] RDX: ffff8a417bdac660 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 4 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 87.169682] RSP: [ 90.279541] RBP: ffffffff888c0329 R08: 0000000000000000 R09: 0000000000000000 0018:ffffa0a2c28c7e48 EFLAGS: 00010286 # [ 87.175560] RAX: 00[ 90.293759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 00000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ [ 90.308025] R13: ffffa0a2c2a87f10 R14: ffffa0a2c2a87f10 R15: ffff8a4104b6d000 87.183579] RDX: ffff8a417bc2c660 RSI: ffff8a417bc1bf70 RDI: ff[ 90.322263] FS: 00007f46c65cc580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 ff8a417bc1bf70 # [ 87.191597] RBP: ffffffff888c0301 R08: 0000[ 90.337578] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000000000 R09: 0000000000000000 # [ 87.199611] R10: 000000[ 90.350245] CR2: 00007f46c63e5000 CR3: 0000000101264000 CR4: 00000000003506e0 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 87[ 90.364504] Call Trace: .207624] R13: ffffa0a2c28c7f10 R14: ffffa0a2c28c7f10 R15: ffff8a[ 90.373470] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd 41029b4000 # [ 87.215640] FS: 00007ffac0dce580(0000) GS:ffff[ 90.384696] direct_entry.cold+0x2c/0x38 8a417bc00000(0000) knlGS:0000000000000000 # [ 87.224732] CS: [ 90.395336] full_proxy_write+0x56/0x80 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.231197] [ 90.405909] vfs_write+0xea/0x390 CR2: 00007ffac0be7000 CR3: 0000000103214000 CR4: 00000000003506f[ 90.415812] ksys_write+0x68/0xe0 0 # [ 87.239212] Call Trace: # [ 87.241985] lkdtm_REFCOUN[ 90.425791] do_syscall_64+0x33/0x40 T_DEC_ZERO+0x4d/0xb9 # [ 87.247004] direct_entry.cold+0x2c/0[ 90.435995] entry_SYSCALL_64_after_hwframe+0x44/0xa9 x38 # [ 87.251438] full_proxy_write+0x56/0x80 # [ 87.2619[ 90.447859] RIP: 0033:0x7f46c64f4f33 54] vfs_write+0xea/0x390 # [ 87.265690] ksys_write+0x68/0xe[ 90.458280] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 # [ 87.275638] do_syscall_64+0x33/0x40 # [ 87.279671] [ 90.485415] RSP: 002b:00007fff626cecc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.285358] RIP: [ 90.500174] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f46c64f4f33 0033:0x7ffac0cf6f33 # [ 87.289387] Code: 8b 15 61 ef 0c 00 f7[ 90.514361] RDX: 0000000000000012 RSI: 00007f46c63e5000 RDI: 0000000000000001 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 90.528626] RBP: 00007f46c63e5000 R08: 00007f46c63e4010 R09: 0000000000000000 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 90.542835] R10: 00007f46c65ef1c0 R11: 0000000000000246 R12: 0000000000000001 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.310472] [ 90.557128] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RSP: 002b:00007ffc55e5e0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 90.571375] irq event stamp: 0 000001 # [ 87.318987] RAX: ffffffffffffffda RBX: 000000000000[ 90.581000] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0012 RCX: 00007ffac0cf6f33 # [ 87.333232] RDX: 00000000000000[ 90.594311] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 12 RSI: 00007ffac0be7000 RDI: 0000000000000001 # [ 87.347471][ 90.609689] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 RBP: 00007ffac0be7000 R08: 00007ffac0be6010 R09: 00000000000000[ 90.625122] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 # [ 87.355491] R10: 00007ffac0df11c0 R11: 0000000000000246[ 90.638379] ---[ end trace 509b96459c42c87c ]--- R12: 0000000000000001 # [ 87.363502] R13: 0000000000000001 R[ 90.649816] lkdtm: Zero detected: saturated 14: 0000000000020000 R15: 0000000000020000 # [ 87.371535] irq event stamp: 0 # [ 87.374988] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.382088] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.397500] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.412907] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.419950] ---[ end trace 509b96459c42c878 ]--- # [ 87.425137] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 87.752364] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 87.760754] lkdtm: attempting bad refcount_dec() below zero # [ 87.767045] ------------[ cut here ]------------ # [ 87.778413] refcount_t: decrement hit 0; leaking memory. # [ 87.784434] WARNING: CPU: 0 PID: 2214 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 87.800023] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.822282] CPU: 0 PID: 2214 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 87.837197] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.843856] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 87.849639] Code: ff 48 c7 c7 f0 bd 85 88 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 85 88 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 87.870715] RSP: 0018:ffffa0a2c293fe48 EFLAGS: 00010286 # [ 87.876601] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 87.884626] RDX: ffff8a417bc2c660 RSI: ffff8a417bc1bf70 RDI: ffff8a417bc1bf70 # [ 87.892660] RBP: ffffffff888c0313 R08: 0000000000000000 R09: 0000000000000000 # [ 87.900676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 87.908686] R13: ffffa0a2c293ff10 R14: ffffa0a2c293ff10 R15: ffff8a4102a34000 # [ 87.916702] FS: 00007f46f2cca580(0000) GS:ffff8a417bc00000(0000) knlGS:0000000000000000 # [ 87.925782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.932245] CR2: 00007f46f2ae3000 CR3: 000000010323e000 CR4: 00000000003506f0 # [ 87.946494] Call Trace: # [ 87.949264] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 87.960882] direct_entry.cold+0x2c/0x38 # [ 87.965313] full_proxy_write+0x56/0x80 # [ 87.975828] vfs_write+0xea/0x390 # [ 87.979569] ksys_write+0x68/0xe0 # [ 87.983313] do_syscall_64+0x33/0x40 # [ 87.987348] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.993035] RIP: 0033:0x7f46f2bf2f33 # [ 87.997061] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.018140] RSP: 002b:00007fff801d6288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.026658] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f46f2bf2f33 # [ 88.040884] RDX: 0000000000000016 RSI: 00007f46f2ae3000 RDI: 0000000000000001 # [ 88.055129] RBP: 00007f46f2ae3000 R08: 00007f46f2ae2010 R09: 0000000000000000 # [ 88.063151] R10: 00007f46f2ced1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.071172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.079205] irq event stamp: 0 # [ 88.082652] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.089761] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.105181] softi[ 91.018582] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 91.028730] lkdtm: attempting safe refcount_add_not_zero() from zero [ 91.035879] lkdtm: Good: zero detected [ 91.040106] lkdtm: Correctly stayed at zero [ 91.044814] lkdtm: attempting bad refcount_add() from zero [ 91.050979] ------------[ cut here ]------------ [ 91.056174] refcount_t: addition on 0; use-after-free. [ 91.062004] WARNING: CPU: 2 PID: 2348 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 [ 91.071383] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.087431] CPU: 2 PID: 2348 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 91.096130] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.102788] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 91.108568] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d [ 91.129632] RSP: 0018:ffffa0a2c2b0fe48 EFLAGS: 00010286 [ 91.135510] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 91.143518] RDX: ffff8a417bd2c660 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 [ 91.151541] RBP: ffffffff888c033b R08: 0000000000000000 R09: 0000000000000000 [ 91.159556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 91.167560] R13: ffffa0a2c2b0ff10 R14: ffffa0a2c2b0ff10 R15: ffff8a41041bd000 [ 91.175578] FS: 00007f26d5791580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 [ 91.184657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.191113] CR2: 00007f26d55aa000 CR3: 0000000105852000 CR4: 00000000003506e0 [ 91.199132] Call Trace: [ 91.201905] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 91.206913] direct_entry.cold+0x2c/0x38 [ 91.211338] full_proxy_write+0x56/0x80 [ 91.215668] vfs_write+0xea/0x390 [ 91.219410] ksys_write+0x68/0xe0 [ 91.223149] do_syscall_64+0x33/0x40 [ 91.227188] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.232876] RIP: 0033:0x7f26d56b9f33 [ 91.236905] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 91.257975] RSP: 002b:00007ffdee714d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.266483] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f26d56b9f33 [ 91.274503] RDX: 0000000000000012 RSI: 00007f26d55aa000 RDI: 0000000000000001 [ 91.282526] RBP: 00007f26d55aa000 R08: 00007f26d55a9010 R09: 0000000000000000 [ 91.290548] R10: 00007f26d57b41c0 R11: 0000000000000246 R12: 0000000000000001 rqs last enabled at (0): [] copy_process+0x63[ 91.298553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c/0x1c80 # [ 88.120585] softirqs last disabled at (0): [<0000[ 91.312811] irq event stamp: 0 000000000000>] 0x0 # [ 88.127634] ---[ end trace 509b96459c42[ 91.322464] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.335737] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 91.344928] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 91.354121] softirqs last disabled at (0): [<0000000000000000>] 0x0 c879 ]--- # [ 88.132826] lkdtm: Negative detected: saturated[ 91.361169] ---[ end trace 509b96459c42c87d ]--- [ 91.372584] lkdtm: Zero 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 # [ 88.460952] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 88.469802] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 88.483182] ------------[ cut here ]------------ # [ 88.494607] refcount_t: underflow; use-after-free. # [ 88.506294] WARNING: CPU: 3 PID: 2249 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 88.521855] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.544047] CPU: 3 PID: 2249 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 88.558952] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.571853] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 88.583844] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 85 # [ 88.611149] RSP: 0018:ffffa0a2c29bfe40 EFLAGS: 00010286 # [ 88.623236] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 88.637498] RDX: ffff8a417bdac660 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 # [ 88.651728] RBP: ffffffff888bff68 R08: 0000000000000000 R09: 0000000000000000 # [ 88.665993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 88.680219] R13: ffffa0a2c29bff10 R14: ffffa0a2c29bff10 R15: ffff8a410531c000 # [ 88.694482] FS: 00007fc998b60580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 88.709768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.722449] CR2: 00007fc998979000 CR3: 00000001040e2000 CR4: 00000000003506e0 # [ 88.736703] Call Trace: # [ 88.745755] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 88.758392] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 88.770624] direct_entry.cold+0x2c/0x38 # [ 88.781418] full_proxy_write+0x56/0x80 # [ 88.791962] vfs_write+0xea/0x390 # [ 88.801884] ksys_write+0x68/0xe0 # [ 88.811700] do_syscall_64+0x33/0x40 # [ 88.822043] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 88.833861] RIP: 0033:0x7fc998a88f33 # [ 88.844291] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.871492] RSP: 002b:00007ffc9c52c5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.886270] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc998a88f33 # [ 88.900430] RDX: 000000000000001f RSI: 00007fc998979000 RDI: 0000000000000001 # [ 88.914687] RBP: 00007fc998979000 R08: 00007fc998978010 R09: 0000000000000000 # [ 88.928922] R10: 00007fc998b831c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.943226] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.957423] irq event stamp: 0 # [ 88.967093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.980384] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.995802] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.01[ 91.704286] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 91.714557] lkdtm: attempting bad refcount_inc() from saturated [ 91.721236] ------------[ cut here ]------------ [ 91.726438] refcount_t: saturated; leaking memory. [ 91.731877] WARNING: CPU: 1 PID: 2383 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 1202] softirqs last disabled at (0): [<0000000000000000>] 0x0 #[ 91.741264] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.763514] CPU: 1 PID: 2383 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 91.772217] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.778878] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 91.784654] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 40 bd 85 88 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a [ 91.805715] RSP: 0018:ffffa0a2c2b7fe48 EFLAGS: 00010286 [ 91.811595] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 91.819623] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 [ 91.827650] RBP: ffffffff888c034d R08: 0000000000000000 R09: 0000000000000000 [ 91.835675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 91.843694] R13: ffffa0a2c2b7ff10 R14: ffffa0a2c2b7ff10 R15: ffff8a410581a000 [ 91.851719] FS: 00007f50e60e8580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 91.860814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.024499] ---[ end trace 509b96459c42c87a ]--- # [ 89.0[ 91.867278] CR2: 00007f50e5f01000 CR3: 000000010328c000 CR4: 00000000003506e0 [ 91.881524] Call Trace: [ 91.884297] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 [ 91.889798] direct_entry.cold+0x2c/0x38 [ 91.894227] full_proxy_write+0x56/0x80 [ 91.898563] vfs_write+0xea/0x390 [ 91.902299] ksys_write+0x68/0xe0 [ 91.906033] do_syscall_64+0x33/0x40 [ 91.910068] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.915760] RIP: 0033:0x7f50e6010f33 [ 91.919783] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 91.940863] RSP: 002b:00007ffe2c7b2128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.949377] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f50e6010f33 [ 91.957405] RDX: 0000000000000017 RSI: 00007f50e5f01000 RDI: 0000000000000001 [ 91.965432] RBP: 00007f50e5f01000 R08: 00007f50e5f00010 R09: 0000000000000000 [ 91.973453] R10: 00007f50e610b1c0 R11: 0000000000000246 R12: 0000000000000001 35892] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_T[ 91.981484] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 91.995730] irq event stamp: 0 EST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 self[ 91.999178] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.012447] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 92.021643] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 92.030843] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.037889] ---[ end trace 509b96459c42c87e ]--- [ 92.043127] lkdtm: Saturation detected: still saturated tests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 89.376344] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 89.385175] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 89.392346] ------------[ cut here ]------------ # [ 89.403788] refcount_t: underflow; use-after-free. # [ 89.415436] WARNING: CPU: 1 PID: 2284 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 89.431025] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.447077] CPU: 1 PID: 2284 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 89.461976] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.468643] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 89.474421] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 85 # [ 89.495497] RSP: 0018:ffffa0a2c2a47e40 EFLAGS: 00010286 # [ 89.501383] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 89.509411] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 # [ 89.517433] RBP: ffffffff888bff88 R08: 0000000000000000 R09: 0000000000000000 # [ 89.525467] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 89.533490] R13: ffffa0a2c2a47f10 R14: ffffa0a2c2a47f10 R15: ffff8a4105a90000 # [ 89.541515] FS: 00007f92c2ba4580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 89.550604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.557066] CR2: 00007f92c29bd000 CR3: 0000000103338000 CR4: 00000000003506e0 # [ 89.565087] Call Trace: # [ 89.567850] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 89.574034] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 89.580309] direct_entry.cold+0x2c/0x38 # [ 89.590960] full_proxy_write+0x56/0x80 # [ 89.595289] vfs_write+0xea/0x390 # [ 89.599033] ksys_write+0x68/0xe0 # [ 89.602764] do_syscall_64+0x33/0x40 # [ 89.606796] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.612483] RIP: 0033:0x7f92c2accf33 # [ 89.616514] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 89.637591] RSP: 002b:00007fff333bb278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.646101] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f92c2accf33 # [ 89.654108] RDX: 000000000000001f RSI: 00007f92c29bd000 RDI: 0000000000000001 # [ 89.662131] RBP: 00007f92c29bd000 R08: 00007f92c29bc010 R09: 0000000000000000 # [ 89.670143] R10: 00007f92c2bc71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.678183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.692424] irq event stamp: 0 # [ 89.702089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.709149] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.718346] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.727537] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.734591] ---[ end trace 509b96459c42c87b ]--- # [ 89.7397[ 92.384607] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 92.392475] lkdtm: attempting bad refcount_dec() from saturated [ 92.399146] ------------[ cut here ]------------ 85] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST[ 92.404336] refcount_t: decrement hit 0; leaking memory. [ 92.416596] WARNING: CPU: 1 PID: 2418 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 92.425979] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.442030] CPU: 1 PID: 2418 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 92.450734] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.457400] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 92.463183] Code: ff 48 c7 c7 f0 bd 85 88 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 85 88 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 92.484247] RSP: 0018:ffffa0a2c2c2fe48 EFLAGS: 00010286 [ 92.490125] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 92.498145] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 [ 92.506157] RBP: ffffffff888c0364 R08: 0000000000000000 R09: 0000000000000000 [ 92.514187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 92.522209] R13: ffffa0a2c2c2ff10 R14: ffffa0a2c2c2ff10 R15: ffff8a4105801000 [ 92.530217] FS: 00007f1a2f3ea580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 92.539307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.545765] CR2: 00007f1a2f203000 CR3: 0000000105a40000 CR4: 00000000003506e0 [ 92.553780] Call Trace: [ 92.556552] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 92.562048] direct_entry.cold+0x2c/0x38 [ 92.566471] full_proxy_write+0x56/0x80 [ 92.570794] vfs_write+0xea/0x390 [ 92.574532] ksys_write+0x68/0xe0 _NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftes[ 92.578280] do_syscall_64+0x33/0x40 [ 92.588544] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.594228] RIP: 0033:0x7f1a2f312f33 [ 92.598253] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 92.619323] RSP: 002b:00007ffd54039b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.627830] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1a2f312f33 [ 92.635849] RDX: 0000000000000017 RSI: 00007f1a2f203000 RDI: 0000000000000001 [ 92.643872] RBP: 00007f1a2f203000 R08: 00007f1a2f202010 R09: 0000000000000000 [ 92.651895] R10: 00007f1a2f40d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 92.659912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 92.667942] irq event stamp: 0 [ 92.671382] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.678429] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ts: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm[ 92.687619] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 : REFCOUNT_INC_ZERO.sh # [ 90.055348] lkdtm: Performing direc[ 92.703022] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.716293] ---[ end trace 509b96459c42c87f ]--- [ 92.721485] lkdtm: Saturation detected: still saturated t entry REFCOUNT_INC_ZERO # [ 90.063287] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 90.076711] lkdtm: Good: zero detected # [ 90.087182] lkdtm: Correctly stayed at zero # [ 90.098071] lkdtm: attempting bad refcount_inc() from zero # [ 90.110743] ------------[ cut here ]------------ # [ 90.121914] refcount_t: addition on 0; use-after-free. # [ 90.134301] WARNING: CPU: 3 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 90.149519] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.171808] CPU: 3 PID: 2316 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 90.186795] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.199629] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 90.211685] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d # [ 90.238923] RSP: 0018:ffffa0a2c2a87e48 EFLAGS: 00010286 # [ 90.251074] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 90.265269] RDX: ffff8a417bdac660 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 # [ 90.279541] RBP: ffffffff888c0329 R08: 0000000000000000 R09: 0000000000000000 # [ 90.293759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.308025] R13: ffffa0a2c2a87f10 R14: ffffa0a2c2a87f10 R15: ffff8a4104b6d000 # [ 90.322263] FS: 00007f46c65cc580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 90.337578] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.350245] CR2: 00007f46c63e5000 CR3: 0000000101264000 CR4: 00000000003506e0 # [ 90.364504] Call Trace: # [ 90.373470] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 90.384696] direct_entry.cold+0x2c/0x38 # [ 90.395336] full_proxy_write+0x56/0x80 # [ 90.405909] vfs_write+0xea/0x390 # [ 90.415812] ksys_write+0x68/0xe0 # [ 90.425791] do_syscall_64+0x33/0x40 # [ 90.435995] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.447859] RIP: 0033:0x7f46c64f4f33 # [ 90.458280] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.485415] RSP: 002b:00007fff626cecc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.500174] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f46c64f4f33 # [ 90.514361] RDX: 0000000000000012 RSI: 00007f46c63e5000 RDI: 0000000000000001 # [ 90.528626] RBP: 00007f46c63e5000 R08: 00007f46c63e4010 R09: 0000000000000000 # [ 90.542835] R10: 00007f46c65ef1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.557128] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.571375] irq event stamp: 0 # [ 90.581000] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.594311] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.609689] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.625122] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.638379] ---[ end trace 509b96459c42c87c ]--- # [ 90.649816] lkd[ 93.054205] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED tm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call tra[ 93.064714] lkdtm: attempting bad refcount_dec() from saturated ce:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selfte[ 93.077639] ------------[ cut here ]------------ sts: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 91.018582] lkdtm: Perfor[ 93.089072] refcount_t: saturated; leaking memory. ming direct entry REFCOUNT_ADD_ZERO # [ 91.028730] lkdtm: att[ 93.100708] WARNING: CPU: 3 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 empting safe refcount_add_not_zero() from zero # [ 91.035879][ 93.116531] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify lkdtm: Good: zero detected # [ 91.040106] lkdtm: Correctly s[ 93.138586] CPU: 3 PID: 2453 Comm: cat Tainted: G D W 5.10.125-cip10 #1 tayed at zero # [ 91.044814] lkdtm: attempting bad refcount_a[ 93.153608] Hardware name: Google Coral/Coral, BIOS 09/29/2020 dd() from zero # [ 91.050979] ------------[ cut here ]-------[ 93.166427] RIP: 0010:refcount_warn_saturate+0x49/0xf0 ----- # [ 91.056174] refcount_t: addition on 0; use-after-fre[ 93.178389] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 40 bd 85 88 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a e. # [ 91.062004] WARNING: CPU: 2 PID: 2348 at lib/refcount.c[ 93.205645] RSP: 0018:ffffa0a2c2cbfe48 EFLAGS: 00010286 :25 refcount_warn_saturate+0x68/0xf0 # [ 91.071383] Modules l[ 93.217741] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 inked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec[ 93.231958] RDX: ffff8a417bdac660 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 _lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_us[ 93.246269] RBP: ffffffff888c037b R08: 0000000000000000 R09: 0000000000000000 bpd_notify # [ 91.087431] CPU: 2 PID: 2348 Comm: cat Tainted:[ 93.260449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 G D W 5.10.125-cip10 #1 # [ 91.096130] Hardware[ 93.274698] R13: ffffa0a2c2cbff10 R14: ffffa0a2c2cbff10 R15: ffff8a4102b23000 name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.102788] RI[ 93.288931] FS: 00007f132363c580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 P: 0010:refcount_warn_saturate+0x68/0xf0 # [ 91.108568] Code:[ 93.304276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 [ 93.316904] CR2: 00007f1323455000 CR3: 00000001040fa000 CR4: 00000000003506e0 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <[ 93.331175] Call Trace: 0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 [ 93.340151] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 3d # [ 91.129632] RSP: 0018:ffffa0a2c2b0fe48 EFLAGS: 00010286[ 93.351880] direct_entry.cold+0x2c/0x38 # [ 91.135510] RAX: 0000000000000000 RBX: 0000000000000034 R[ 93.362488] full_proxy_write+0x56/0x80 CX: 0000000000000000 # [ 91.143518] RDX: ffff8a417bd2c660 RSI[ 93.373042] vfs_write+0xea/0x390 : ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 # [ 91.151541] RBP: [ 93.382965] ksys_write+0x68/0xe0 ffffffff888c033b R08: 0000000000000000 R09: 0000000000000000 # [ 93.392968] do_syscall_64+0x33/0x40 [ 91.159556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 93.403195] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0000000000000012 # [ 91.167560] R13: ffffa0a2c2b0ff10 R14: ff[ 93.415088] RIP: 0033:0x7f1323564f33 ffa0a2c2b0ff10 R15: ffff8a41041bd000 # [ 91.175578] FS: 0000[ 93.425328] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 7f26d5791580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000[ 93.452658] RSP: 002b:00007ffe657d0358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000 # [ 91.184657] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 93.467344] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1323564f33 0050033 # [ 91.191113] CR2: 00007f26d55aa000 CR3: 00000001058[ 93.481578] RDX: 0000000000000017 RSI: 00007f1323455000 RDI: 0000000000000001 52000 CR4: 00000000003506e0 # [ 91.199132] Call Trace: # [ [ 93.495777] RBP: 00007f1323455000 R08: 00007f1323454010 R09: 0000000000000000 91.201905] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 91.206913][ 93.510034] R10: 00007f132365f1c0 R11: 0000000000000246 R12: 0000000000000001 direct_entry.cold+0x2c/0x38 # [ 91.211338] full_proxy_writ[ 93.524221] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e+0x56/0x80 # [ 91.215668] vfs_write+0xea/0x390 # [ 91.21[ 93.538456] irq event stamp: 0 9410] ksys_write+0x68/0xe0 # [ 91.223149] do_syscall_64+0x3[ 93.548180] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3/0x40 # [ 91.227188] entry_SYSCALL_64_after_hwframe+0x44/0x[ 93.561396] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 a9 # [ 91.232876] RIP: 0033:0x7f26d56b9f33 # [ 91.236905] [ 93.576830] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b[ 93.592196] softirqs last disabled at (0): [<0000000000000000>] 0x0 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f[ 93.605458] ---[ end trace 509b96459c42c880 ]--- 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5[ 93.616914] lkdtm: Saturation detected: still saturated 4 24 18 # [ 91.257975] RSP: 002b:00007ffdee714d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.266483] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f26d56b9f33 # [ 91.274503] RDX: 0000000000000012 RSI: 00007f26d55aa000 RDI: 0000000000000001 # [ 91.282526] RBP: 00007f26d55aa000 R08: 00007f26d55a9010 R09: 0000000000000000 # [ 91.290548] R10: 00007f26d57b41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.298553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.312811] irq event stamp: 0 # [ 91.322464] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.335737] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.344928] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.354121] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.361169] ---[ end trace 509b96459c42c87d ]--- # [ 91.372584] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 91.704286] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 91.714557] lkdtm: attempting bad refcount_inc() from saturated # [ 91.721236] ------------[ cut here ]------------ # [ 91.726438] refcount_t: saturated; leaking memory. # [ 91.731877] WARNING: CPU: 1 PID: 2383 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 91.741264] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.763514] CPU: 1 PID: 2383 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 91.772217] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.778878] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 91.784654] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 40 bd 85 88 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a # [ 91.805715] RSP: 0018:ffffa0a2c2b7fe48 EFLAGS: 00010286 # [ 91.811595] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 91.819623] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 # [ 91.827650] RBP: ffffffff888c034d R08: 0000000000000000 R09: 0000000000000000 # [ 91.835675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 91.843694] R13: ffffa0a2c2b7ff10 R14: ffffa0a2c2b7ff10 R15: ffff8a410581a000 # [ 91.851719] FS: 00007f50e60e8580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 91.860814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.867278] CR2: 00007f50e5f01000 CR3: 000000010328c000 CR4: 00000000003506e0 # [ 91.881524] Call Trace: # [ 91.884297] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 91.889798] direct_entry.cold+0x2c/0x38 # [ 91.894227] full_proxy_write+0x56/0x80 # [ 91.898563] vfs_write+0xea/0x390 # [ 91.902299] ksys_write+0x68/0xe0 # [ 91.906033] do_syscall_64+0x33/0x40 # [ 91.910068] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 91.915760] RIP: 0033:0x7f50e6010f33 # [ 91.919783] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f[ 93.955730] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 93.967140] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 93.974700] ------------[ cut here ]------------ [ 93.979898] refcount_t: saturated; leaking memory. 0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 9[ 93.985338] WARNING: CPU: 2 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 94.000943] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.017001] CPU: 2 PID: 2485 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 94.025706] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.032369] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 94.038153] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b [ 94.059228] RSP: 0018:ffffa0a2c2d3fe38 EFLAGS: 00010282 [ 94.065108] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 94.073120] RDX: ffff8a417bd2c660 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 [ 94.081145] RBP: ffffffff888bffa8 R08: 0000000000000000 R09: 0000000000000000 [ 94.089172] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.097191] R13: ffffa0a2c2d3ff10 R14: ffffa0a2c2d3ff10 R15: ffff8a4103331000 [ 94.105216] FS: 00007fd851c4e580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 [ 94.114306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.120766] CR2: 00007fd851a67000 CR3: 000000010124e000 CR4: 00000000003506e0 [ 94.128786] Call Trace: [ 94.131559] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 94.137740] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 [ 94.144115] direct_entry.cold+0x2c/0x38 [ 94.148542] full_proxy_write+0x56/0x80 [ 94.152872] vfs_write+0xea/0x390 [ 94.156612] ksys_write+0x68/0xe0 [ 94.160354] do_syscall_64+0x33/0x40 [ 94.164386] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.170077] RIP: 0033:0x7fd851b76f33 [ 94.174109] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.195184] RSP: 002b:00007ffff43d9a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.203696] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd851b76f33 [ 94.211713] RDX: 0000000000000020 RSI: 00007fd851a67000 RDI: 0000000000000001 [ 94.219734] RBP: 00007fd851a67000 R08: 00007fd851a66010 R09: 0000000000000000 [ 94.227749] R10: 00007fd851c711c0 R11: 0000000000000246 R12: 0000000000000001 [ 94.235768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1.940863] RSP: 002b:00007ffe2c7b2128 EFLAGS: 00000246 ORIG_RAX: [ 94.243796] irq event stamp: 0 0000000000000001 # [ 91.949377] RAX: ffffffffffffffda RBX: 00[ 94.253439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 94.266711] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 94.275913] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 94.285095] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.292143] ---[ end trace 509b96459c42c881 ]--- [ 94.297336] lkdtm: Saturation detected: still saturated 00000000000017 RCX: 00007f50e6010f33 # [ 91.957405] RDX: 0000000000000017 RSI: 00007f50e5f01000 RDI: 0000000000000001 # [ 91.965432] RBP: 00007f50e5f01000 R08: 00007f50e5f00010 R09: 0000000000000000 # [ 91.973453] R10: 00007f50e610b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.981484] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.995730] irq event stamp: 0 # [ 91.999178] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.012447] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.021643] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.030843] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.037889] ---[ end trace 509b96459c42c87e ]--- # [ 92.043127] 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 # [ 92.384607] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 92.392475] lkdtm: attempting bad refcount_dec() from saturated # [ 92.399146] ------------[ cut here ]------------ # [ 92.404336] refcount_t: decrement hit 0; leaking memory. # [ 92.416596] WARNING: CPU: 1 PID: 2418 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 92.425979] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.442030] CPU: 1 PID: 2418 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 92.450734] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.457400] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 92.463183] Code: ff 48 c7 c7 f0 bd 85 88 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 85 88 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 92.484247] RSP: 0018:ffffa0a2c2c2fe48 EFLAGS: 00010286 # [ 92.490125] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 92.498145] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 # [ 92.506157] RBP: ffffffff888c0364 R08: 0000000000000000 R09: 0000000000000000 # [ 92.514187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 92.522209] R13: ffffa0a2c2c2ff10 R14: ffffa0a2c2c2ff10 R15: ffff8a4105801000 # [ 92.530217] FS: 00007f1a2f3ea580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 92.539307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.545765] CR2: 00007f1a2f203000 CR3: 0000000105a40000 CR4: 00000000003506e0 # [ 92.553780] Call Trace: # [ 92.556552] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 92.562048] direct_entry.cold+0x2c/0x38 # [ 92.566471] full_proxy_write+0x56/0x80 # [ 92.570794] vfs_write+0xea/0x390 # [ 92.574532] ksys_write+0x68/0xe0 # [ 92.578280] do_syscall_64+0x33/0x40 # [ 92.588544] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.594228] RIP: 0033:0x7f1a2f312f33 # [ 92.598253] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 92.619323] RSP: 002b:00007ffd54039b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.627830] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1[ 94.640653] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED a2f312f33 # [ 92.635849] RDX: 0000000000000017 RSI: 00007f1a2[ 94.653909] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 94.667646] ------------[ cut here ]------------ [ 94.672844] refcount_t: saturated; leaking memory. f203000 RDI: 0000000000000001 # [ 92.643872] RBP: 00007f1a2f2[ 94.678286] WARNING: CPU: 2 PID: 2517 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 94.693886] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 03000 R08: 00007f1a2f202010 R09: 0000000000000000 # [ 92.6518[ 94.709987] CPU: 2 PID: 2517 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 94.724948] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.731618] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 94.737402] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b [ 94.758469] RSP: 0018:ffffa0a2c2db7e38 EFLAGS: 00010282 [ 94.764351] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 94.772371] RDX: ffff8a417bd2c660 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 [ 94.780383] RBP: ffffffff888bffc8 R08: 0000000000000000 R09: 0000000000000000 [ 94.788402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.796410] R13: ffffa0a2c2db7f10 R14: ffffa0a2c2db7f10 R15: ffff8a4105889000 [ 94.804422] FS: 00007f8776ca2580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 [ 94.813511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.819968] CR2: 00007f8776abb000 CR3: 0000000105af0000 CR4: 00000000003506e0 [ 94.827982] Call Trace: [ 94.830755] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 94.836935] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 95] R10: 00007f1a2f40d1c0 R11: 0000000000000246 R12: 00000000000[ 94.843303] direct_entry.cold+0x2c/0x38 [ 94.853961] full_proxy_write+0x56/0x80 00001 # [ 92.659912] R13: 0000000000000001 R14: 0000000000020[ 94.858289] vfs_write+0xea/0x390 [ 94.868246] ksys_write+0x68/0xe0 [ 94.871989] do_syscall_64+0x33/0x40 [ 94.876024] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.881712] RIP: 0033:0x7f8776bcaf33 000 R15: 0000000000020000 # [ 92.667942] irq event stamp: 0 [ 94.885742] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.913020] RSP: 002b:00007ffe50356518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.921529] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8776bcaf33 [ 94.929547] RDX: 0000000000000020 RSI: 00007f8776abb000 RDI: 0000000000000001 [ 94.937563] RBP: 00007f8776abb000 R08: 00007f8776aba010 R09: 0000000000000000 # [ 92.671382] hardirqs last enabled at (0): [<00000000000000[ 94.945577] R10: 00007f8776cc51c0 R11: 0000000000000246 R12: 0000000000000001 [ 94.959831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 94.967863] irq event stamp: 0 00>] 0x0 # [ 92.678429] hardirqs last disabled at (0): [] 0x0 [ 94.984596] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 94.993790] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 95.002977] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.010016] ---[ end trace 509b96459c42c882 ]--- [ 95.015208] lkdtm: Saturation detected: still saturated ffff870f9f9c>] copy_process+0x63c/0x1c80 # [ 92.687619] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.703022] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.716293] ---[ end trace 509b96459c42c87f ]--- # [ 92.721485] 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 # [ 93.054205] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 93.064714] lkdtm: attempting bad refcount_dec() from saturated # [ 93.077639] ------------[ cut here ]------------ # [ 93.089072] refcount_t: saturated; leaking memory. # [ 93.100708] WARNING: CPU: 3 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 93.116531] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.138586] CPU: 3 PID: 2453 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 93.153608] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.166427] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 93.178389] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 40 bd 85 88 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 68 bd 85 88 c6 05 5a # [ 93.205645] RSP: 0018:ffffa0a2c2cbfe48 EFLAGS: 00010286 # [ 93.217741] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 93.231958] RDX: ffff8a417bdac660 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 # [ 93.246269] RBP: ffffffff888c037b R08: 0000000000000000 R09: 0000000000000000 # [ 93.260449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 93.274698] R13: ffffa0a2c2cbff10 R14: ffffa0a2c2cbff10 R15: ffff8a4102b23000 # [ 93.288931] FS: 00007f132363c580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 93.304276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.316904] CR2: 00007f1323455000 CR3: 00000001040fa000 CR4: 00000000003506e0 # [ 93.331175] Call Trace: # [ 93.340151] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 93.351880] direct_entry.cold+0x2c/0x38 # [ 93.362488] full_proxy_write+0x56/0x80 # [ 93.373042] vfs_write+0xea/0x390 # [ 93.382965] ksys_write+0x68/0xe0 # [ 93.392968] do_syscall_64+0x33/0x40 # [ 93.403195] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 93.415088] RIP: 0033:0x7f1323564f33 # [ 93.425328] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.452658] RSP: 002b:00007ffe657d0358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.467344] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1323564f33 # [ 93.481578] RDX: 0000000000000017 RSI: 00007f1323455000 RDI: 0000000000000001 # [ 93.495777] RBP: 00007f1323455000 R08: 00007f1323454010 R09: 0000000000000000 # [ 93.510034] R10: 00007f132365f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.524221] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.538456] irq event stamp: 0 # [ 93.548180] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.561396] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.576830] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.592196] softir[ 95.370711] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED qs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.6054[ 95.384267] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 95.398035] ------------[ cut here ]------------ 58] ---[ end trace 509b96459c42c880 ]--- # [ 93.616914] lkdtm[ 95.403238] refcount_t: underflow; use-after-free. : Saturation detected: still saturated # REFCOUNT_ADD_SATURATED[ 95.414888] WARNING: CPU: 1 PID: 2552 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 95.430485] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.446538] CPU: 1 PID: 2552 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 95.455236] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 95.461941] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 95.467752] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 85 [ 95.488832] RSP: 0018:ffffa0a2c2e2fe40 EFLAGS: 00010286 [ 95.494714] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 95.502732] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 [ 95.510745] RBP: ffffffff888bffe8 R08: 0000000000000000 R09: 0000000000000000 [ 95.518754] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 95.526771] R13: ffffa0a2c2e2ff10 R14: ffffa0a2c2e2ff10 R15: ffff8a4105b9d000 [ 95.534790] FS: 00007fa43af9e580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 [ 95.543881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.550341] CR2: 00007fa43adb7000 CR3: 00000001040da000 CR4: 00000000003506e0 [ 95.558359] Call Trace: [ 95.561127] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 95.567302] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 95.573673] direct_entry.cold+0x2c/0x38 [ 95.578098] full_proxy_write+0x56/0x80 [ 95.582424] vfs_write+0xea/0x390 [ 95.586154] ksys_write+0x68/0xe0 [ 95.589898] do_syscall_64+0x33/0x40 [ 95.593931] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.599617] RIP: 0033:0x7fa43aec6f33 [ 95.603648] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 95.624721] RSP: 002b:00007ffcfb5be0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.633232] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa43aec6f33 [ 95.641251] RDX: 0000000000000020 RSI: 00007fa43adb7000 RDI: 0000000000000001 : saw 'Saturation detected: still saturated': ok ok 54 selftest[ 95.649265] RBP: 00007fa43adb7000 R08: 00007fa43adb6010 R09: 0000000000000000 [ 95.663516] R10: 00007fa43afc11c0 R11: 0000000000000246 R12: 0000000000000001 [ 95.671534] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUN[ 95.679562] irq event stamp: 0 T_INC_NOT_ZERO_SATURATED.sh # [ 93.955730] lkdtm: Performing [ 95.689217] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 95.702487] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 93.967140] l[ 95.711674] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 95.727067] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.734112] ---[ end trace 509b96459c42c883 ]--- [ 95.739307] lkdtm: Saturation detected: still saturated kdtm: attempting bad refcount_inc_not_zero() from saturated # [ 93.974700] ------------[ cut here ]------------ # [ 93.979898] refcount_t: saturated; leaking memory. # [ 93.985338] WARNING: CPU: 2 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 94.000943] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.017001] CPU: 2 PID: 2485 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 94.025706] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.032369] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 94.038153] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b # [ 94.059228] RSP: 0018:ffffa0a2c2d3fe38 EFLAGS: 00010282 # [ 94.065108] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 94.073120] RDX: ffff8a417bd2c660 RSI: ffff8a417bd1bf70 RDI: ffff8a417bd1bf70 # [ 94.081145] RBP: ffffffff888bffa8 R08: 0000000000000000 R09: 0000000000000000 # [ 94.089172] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.097191] R13: ffffa0a2c2d3ff10 R14: ffffa0a2c2d3ff10 R15: ffff8a4103331000 # [ 94.105216] FS: 00007fd851c4e580(0000) GS:ffff8a417bd00000(0000) knlGS:0000000000000000 # [ 94.114306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.120766] CR2: 00007fd851a67000 CR3: 000000010124e000 CR4: 00000000003506e0 # [ 94.128786] Call Trace: # [ 94.131559] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 94.137740] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 94.144115] direct_entry.cold+0x2c/0x38 # [ 94.148542] full_proxy_write+0x56/0x80 # [ 94.152872] vfs_write+0xea/0x390 # [ 94.156612] ksys_write+0x68/0xe0 # [ 94.160354] do_syscall_64+0x33/0x40 # [ 94.164386] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 94.170077] RIP: 0033:0x7fd851b76f33 # [ 94.174109] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.195184] RSP: 002b:00007ffff43d9a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.203696] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd851b76f33 # [ 94.211713] RDX: 0000000000000020 RSI: 00007fd851a67000 RDI: 0000000000000001 # [ 94.219734] RBP: 00007fd851a67000 R08: 00007fd851a66010 R09: 0000000000000000 # [ 94.227749] R10: 00007fd851c711c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.235768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.243796] irq event stamp: 0 # [ 94.253439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.266711] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.275913] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.285095] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.292143] ---[ end trace 509b96459c42c881 ]--- # [ 94.297336] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_A[ 96.080088] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED DD_NOT_ZERO_SATURATED.sh # [ 94.640653] lkdtm: Performing dir[ 96.089662] lkdtm: attempting bad refcount_sub_and_test() from saturated ect entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 94.653909] lkdt[ 96.103445] ------------[ cut here ]------------ m: attempting bad refcount_add_not_zero() from saturated # [ [ 96.114866] refcount_t: underflow; use-after-free. 94.667646] ------------[ cut here ]------------ # [ 94.672844[ 96.126523] WARNING: CPU: 3 PID: 2587 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 ] refcount_t: saturated; leaking memory. # [ 94.678286] WARNI[ 96.142366] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify NG: CPU: 2 PID: 2517 at lib/refcount.c:19 refcount_warn_saturate[ 96.164336] CPU: 3 PID: 2587 Comm: cat Tainted: G D W 5.10.125-cip10 #1 +0x87/0xf0 # [ 94.693886] Modules linked in: fuse ip_tables c[ 96.179477] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x8[ 96.192280] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.70998[ 96.204261] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 85 7] CPU: 2 PID: 2517 Comm: cat Tainted: G D W 5.10.1[ 96.231473] RSP: 0018:ffffa0a2c2e9fe40 EFLAGS: 00010286 25-cip10 #1 # [ 94.724948] Hardware name: Google Coral/Coral,[ 96.243635] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 BIOS 09/29/2020 # [ 94.731618] RIP: 0010:refcount_warn_satu[ 96.257839] RDX: ffff8a417bdac660 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 rate+0x87/0xf0 # [ 94.737402] Code: 05 5a 1e 76 01 01 e8 34 1[ 96.272117] RBP: ffffffff888c0008 R08: 0000000000000000 R09: 0000000000000000 c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 40 bd 85 88[ 96.286340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 0[ 96.300600] R13: ffffa0a2c2e9ff10 R14: ffffa0a2c2e9ff10 R15: ffff8a4103452000 1 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b # [ 94.758469] RSP: [ 96.314833] FS: 00007f55c1762580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 0018:ffffa0a2c2db7e38 EFLAGS: 00010282 # [ 94.764351] RAX: 00[ 96.330209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ [ 96.342840] CR2: 00007f55c157b000 CR3: 000000010264e000 CR4: 00000000003506e0 94.772371] RDX: ffff8a417bd2c660 RSI: ffff8a417bd1bf70 RDI: ff[ 96.357113] Call Trace: ff8a417bd1bf70 # [ 94.780383] RBP: ffffffff888bffc8 R08: 0000[ 96.366080] __refcount_sub_and_test.constprop.0+0x34/0x40 000000000000 R09: 0000000000000000 # [ 94.788402] R10: 000000[ 96.378488] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94[ 96.391062] direct_entry.cold+0x2c/0x38 .796410] R13: ffffa0a2c2db7f10 R14: ffffa0a2c2db7f10 R15: ffff8a[ 96.401742] full_proxy_write+0x56/0x80 4105889000 # [ 94.804422] FS: 00007f8776ca2580(0000) GS:ffff[ 96.412265] vfs_write+0xea/0x390 8a417bd00000(0000) knlGS:0000000000000000 # [ 94.813511] CS: [ 96.422254] ksys_write+0x68/0xe0 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.819968] [ 96.432207] do_syscall_64+0x33/0x40 CR2: 00007f8776abb000 CR3: 0000000105af0000 CR4: 00000000003506e[ 96.442486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0 # [ 94.827982] Call Trace: # [ 94.830755] __refcount_ad[ 96.454352] RIP: 0033:0x7f55c168af33 d_not_zero.constprop.0+0x2a/0x31 # [ 94.836935] lkdtm_REFCOU[ 96.464609] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 NT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 94.843303] direct_en[ 96.491896] RSP: 002b:00007ffd7749d418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 try.cold+0x2c/0x38 # [ 94.853961] full_proxy_write+0x56/0x80[ 96.506673] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f55c168af33 # [ 94.858289] vfs_write+0xea/0x390 # [ 94.868246] ksys[ 96.520827] RDX: 0000000000000020 RSI: 00007f55c157b000 RDI: 0000000000000001 _write+0x68/0xe0 # [ 94.871989] do_syscall_64+0x33/0x40 # [[ 96.535150] RBP: 00007f55c157b000 R08: 00007f55c157a010 R09: 0000000000000000 94.876024] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 9[ 96.549302] R10: 00007f55c17851c0 R11: 0000000000000246 R12: 0000000000000001 4.881712] RIP: 0033:0x7f8776bcaf33 # [ 94.885742] Code: 8b 15[ 96.563507] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 [ 96.577810] irq event stamp: 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d[ 96.587414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 96.600699] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 94.913020] RSP: 002b:00007ffe50356518 EFLAGS: 00000246 ORIG_[ 96.616089] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 RAX: 0000000000000001 # [ 94.921529] RAX: ffffffffffffffda RB[ 96.631538] softirqs last disabled at (0): [<0000000000000000>] 0x0 X: 0000000000000020 RCX: 00007f8776bcaf33 # [ 94.929547] RDX:[ 96.644806] ---[ end trace 509b96459c42c884 ]--- 0000000000000020 RSI: 00007f8776abb000 RDI: 0000000000000001 #[ 96.656207] lkdtm: Saturation detected: still saturated [ 94.937563] RBP: 00007f8776abb000 R08: 00007f8776aba010 R09: 0000000000000000 # [ 94.945577] R10: 00007f8776cc51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.959831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.967863] irq event stamp: 0 # [ 94.971310] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.984596] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.993790] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.002977] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.010016] ---[ end trace 509b96459c42c882 ]--- # [ 95.015208] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 95.370711] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 95.384267] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 95.398035] ------------[ cut here ]------------ # [ 95.403238] refcount_t: underflow; use-after-free. # [ 95.414888] WARNING: CPU: 1 PID: 2552 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 95.430485] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.446538] CPU: 1 PID: 2552 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 95.455236] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 95.461941] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 95.467752] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 85 # [ 95.488832] RSP: 0018:ffffa0a2c2e2fe40 EFLAGS: 00010286 # [ 95.494714] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 95.502732] RDX: ffff8a417bcac660 RSI: ffff8a417bc9bf70 RDI: ffff8a417bc9bf70 # [ 95.510745] RBP: ffffffff888bffe8 R08: 0000000000000000 R09: 0000000000000000 # [ 95.518754] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.526771] R13: ffffa0a2c2e2ff10 R14: ffffa0a2c2e2ff10 R15: ffff8a4105b9d000 # [ 95.534790] FS: 00007fa43af9e580(0000) GS:ffff8a417bc80000(0000) knlGS:0000000000000000 # [ 95.543881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.550341] CR2: 00007fa43adb7000 CR3: 00000001040da000 CR4: 00000000003506e0 # [ 95.558359] Call Trace: # [ 95.561127] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 95.567302] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 95.573673] direct_entry.cold+0x2c/0x38 # [ 95.578098] full_proxy_write+0x56/0x80 # [ 95.582424] vfs_write+0xea/0x390 # [ 95.586154] ksys_write+0x68/0xe0 # [ 95.589898] do_syscall_64+0x33/0x40 # [ 95.593931] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 95.599617] RIP: 0033:0x7fa43aec6f33 # [ 95.603648] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.624721] RSP: 002b:00007ffcfb5be0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.633232] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa43aec6f33 # [ 95.641251] RDX: 0000000000000020 RSI: 00007fa43adb7000 RDI: 0000000000000001 # [ 95.649265] RBP: 00007fa43adb7000 R08: 00007fa43adb6010 R09: 0000000000000000 # [ 95.663516] R10: 00007fa43afc11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.671534] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.679562] irq event stamp: 0 # [ 95.689217] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.702487] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.711674] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.727067] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.734112] ---[ end trace 509b96459c42c883 ]--- # [ 95.739307] 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 # [ 96.080088] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 96.089662] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 96.103445] ------------[ cut here ]------------ # [ 96.114866] refcount_t: underflow; use-after-free. # [ 96.126523] WARNING: CPU: 3 PID: 2587 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 96.142366] Modules linked in: fuse ip_tables cros_ec_chardev cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.164336] CPU: 3 PID: 2587 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 96.179477] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 96.192280] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 96.204261] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 98 bd 85 88 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 85 # [ 96.231473] RSP: 0018:ffffa0a2c2e9fe40 EFLAGS: 00010286 # [ 96.243635] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 96.257839] RDX: ffff8a417bdac660 RSI: ffff8a417bd9bf70 RDI: ffff8a417bd9bf70 # [ 96.272117] RBP: ffffffff888c0008 R08: 0000000000000000 R09: 0000000000000000 # [ 96.286340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 96.300600] R13: ffffa0a2c2e9ff10 R14: ffffa0a2c2e9ff10 R15: ffff8a4103452000 # [ 96.314833] FS: 00007f55c1762580(0000) GS:ffff8a417bd80000(0000) knlGS:0000000000000000 # [ 96.330209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.342840] CR2: 00007f55c157b000 CR3: 000000010264e000 CR4: 00000000003506e0 # [ 96.357113] Call Trace: # [ 96.366080] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 96.37[ 97.283626] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 8488] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 96[ 97.292410] lkdtm: attempting good copy_to_user of correct size .391062] direct_entry.cold+0x2c/0x38 # [ 96.401742] full_pr[ 97.305349] lkdtm: attempting bad copy_to_user of too large size oxy_write+0x56/0x80 # [ 96.412265] vfs_write+0xea/0x390 # [ 96.422254] ksys_write+0x68/0xe0 # [ 96.432207] do_syscall_64+0x33/0x40 # [ 96.442486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 96.454352] RIP: 0033:0x7f55c168af33 # [ 96.464609] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 96.491896] RSP: 002b:00007ffd7749d418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 96.506673] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f55c168af33 # [ 96.520827] RDX: 0000000000000020 RSI: 00007f55c157b000 RDI: 0000000000000001 # [ 96.535150] RBP: 00007f55c157b000 R08: 00007f55c157a010 R09: 0000000000000000 # [ 96.549302] R10: 00007f55c17851c0 R11: 0000000000000246 R12: 0000000000000001 # [ 96.563507] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.577810] irq event stamp: 0 # [ 96.587414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 96.600699] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.616089] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.631538] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 96.644806] ---[ end trace 509b96459c42c884 ]--- # [ 96.656207] 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 # [ 97.283626] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 97.292410] lkdtm: attempting good copy_to_user of correct size # [ 97.305349] 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 [ 97.638590] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 97.645572] lkdtm: attempting good copy_from_user of correct size [ 97.652461] lkdtm: attempting bad copy_from_user of too large size # [ 97.638590] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 97.645572] lkdtm: attempting good copy_from_user of correct size # [ 97.652461] 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 [ 97.986526] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 97.993803] lkdtm: attempting good copy_to_user inside whitelist [ 98.000635] lkdtm: attempting bad copy_to_user outside whitelist # [ 97.986526] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 97.993803] lkdtm: attempting good copy_to_user inside whitelist # [ 98.000635] 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 [ 98.335539] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 98.343005] lkdtm: attempting good copy_from_user inside whitelist [ 98.350000] lkdtm: attempting bad copy_from_user outside whitelist # [ 98.335539] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 98.343005] lkdtm: attempting good copy_from_user inside whitelist # [ 98.350000] 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 [ 98.689226] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 98.696197] lkdtm: good_stack: ffffa0a2c3267e20-ffffa0a2c3267e40 [ 98.702961] lkdtm: bad_stack : ffffa0a2c3267da8-ffffa0a2c3267dc8 [ 98.709757] lkdtm: attempting good copy_to_user of local stack [ 98.716348] lkdtm: attempting bad copy_to_user of distant stack # [ 98.689226] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 98.696197] lkdtm: good_stack: ffffa0a2c3267e20-ffffa0a2c3267e40 # [ 98.702961] lkdtm: bad_stack : ffffa0a2c3267da8-ffffa0a2c3267dc8 # [ 98.709757] lkdtm: attempting good copy_to_user of local stack # [ 98.716348] 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 [ 99.042247] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 99.049409] lkdtm: good_stack: ffffa0a2c32cfe20-ffffa0a2c32cfe40 [ 99.056216] lkdtm: bad_stack : ffffa0a2c32cfda8-ffffa0a2c32cfdc8 [ 99.063013] lkdtm: attempting good copy_from_user of local stack [ 99.069805] lkdtm: attempting bad copy_from_user of distant stack # [ 99.042247] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 99.049409] lkdtm: good_stack: ffffa0a2c32cfe20-ffffa0a2c32cfe40 # [ 99.056216] lkdtm: bad_stack : ffffa0a2c32cfda8-ffffa0a2c32cfdc8 # [ 99.063013] lkdtm: attempting good copy_from_user of local stack # [ 99.069805] 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 [ 99.407856] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 99.414695] lkdtm: good_stack: ffffa0a2c339fe20-ffffa0a2c339fe40 [ 99.421455] lkdtm: bad_stack : ffffa0a2c339fff8-ffffa0a2c33a0018 [ 99.428217] lkdtm: attempting good copy_to_user of local stack [ 99.434827] lkdtm: attempting bad copy_to_user of distant stack [ 99.441508] lkdtm: copy_to_user failed, but lacked Oops # [ 99.407856] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 99.414695] lkdtm: good_stack: ffffa0a2c339fe20-ffffa0a2c339fe40 # [ 99.421455] lkdtm: bad_stack : ffffa0a2c339fff8-ffffa0a2c33a0018 # [ 99.428217] lkdtm: attempting good copy_to_user of local stack # [ 99.434827] lkdtm: attempting bad copy_to_user of distant stack # [ 99.441508] 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 [ 99.783658] lkdtm: Performing direct entry USERCOPY_KERNEL [ 99.789878] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff884d9f10 [ 99.798640] lkdtm: attempting bad copy_to_user from kernel text: ffffffff872d1460 [ 99.807073] lkdtm: FAIL: survived bad copy_to_user() # [ 99.783658] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 99.789878] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff884d9f10 # [ 99.798640] lkdtm: attempting bad copy_to_user from kernel text: ffffffff872d1460 # [ 99.807073] 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 [ 100.148143] lkdtm: Performing direct entry STACKLEAK_ERASING [ 100.154554] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 100.162515] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 100.170347] lkdtm: FAIL: the thread stack is NOT properly erased [ 100.177108] CPU: 2 PID: 2952 Comm: cat Tainted: G D W 5.10.125-cip10 #1 [ 100.185789] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 100.192422] Call Trace: [ 100.195183] dump_stack+0x77/0x97 [ 100.198897] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 100.204079] direct_entry.cold+0x2c/0x38 [ 100.208484] full_proxy_write+0x56/0x80 [ 100.212789] vfs_write+0xea/0x390 [ 100.216507] ksys_write+0x68/0xe0 [ 100.220229] do_syscall_64+0x33/0x40 [ 100.224241] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.229907] RIP: 0033:0x7f743e424f33 [ 100.233918] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 100.254970] RSP: 002b:00007fffe6f39b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.263462] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f743e424f33 [ 100.271460] RDX: 0000000000000012 RSI: 00007f743e315000 RDI: 0000000000000001 [ 100.279455] RBP: 00007f743e315000 R08: 00007f743e314010 R09: 0000000000000000 [ 100.287453] R10: 00007f743e51f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 100.295449] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 100.148143] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 100.154554] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 100.162515] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 100.170347] lkdtm: FAIL: the thread stack is NOT properly erased # [ 100.177108] CPU: 2 PID: 2952 Comm: cat Tainted: G D W 5.10.125-cip10 #1 # [ 100.185789] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 100.192422] Call Trace: # [ 100.195183] dump_stack+0x77/0x97 # [ 100.198897] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 100.204079] direct_entry.cold+0x2c/0x38 # [ 100.208484] full_proxy_write+0x56/0x80 # [ 100.212789] vfs_write+0xea/0x390 # [ 100.216507] ksys_write+0x68/0xe0 # [ 100.220229] do_syscall_64+0x33/0x40 # [ 100.224241] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 100.229907] RIP: 0033:0x7f743e424f33 # [ 100.233918] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 100.254970] RSP: 002b:00007fffe6f39b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.263462] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f743e424f33 # [ 100.271460] RDX: 0000000000000012 RSI: 00007f743e315000 RDI: 0000000000000001 # [ 100.279455] RBP: 00007f743e315000 R08: 00007f743e314010 R09: 0000000000000000 # [ 100.287453] R10: 00007f743e51f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 100.295449] 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 [ 100.632024] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 100.638410] lkdtm: Calling matched prototype ... [ 100.643611] lkdtm: Calling mismatched prototype ... [ 100.649156] lkdtm: Fail: survived mismatched prototype function call! # [ 100.632024] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 100.638410] lkdtm: Calling matched prototype ... # [ 100.643611] lkdtm: Calling mismatched prototype ... # [ 100.649156] 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 / #