[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 440000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 56605 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 32 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269363 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 4837 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 52635 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 14022 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 9955 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 14022 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 18235 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 18096 usecs PCI: 00:17.1 scanning... scan_generic_bus for PCI: 00:17.1 bus: PCI: 00:17.1[0]->I2C: 05:09 enabled scan_generic_bus for PCI: 00:17.1 done scan_bus: scanning of bus PCI: 00:17.1 took 14023 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11315 usecs scan_bus: scanning of bus DOMAIN: 0000 took 390718 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 410636 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 2022-07-02 19:37:59 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-07-02 19:37:59 UTC ELOG: Event(AA) added with size 11 at 2022-07-02 19:37:59 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 699472 exit 95750 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 2943382 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 112072 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2132 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6. done. AP: slot 3 apic_id 4. Waiting for 2nd SIPI to complete...done. AP: slot 2 apic_id 2. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #2 Initializing CPU #1 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 #2 initialized Initializing CPU #3 CPU #1 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #3 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 467045 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2221 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2228 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2229 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2228 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2224 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 27280 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2224 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2227 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2225 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2231 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2230 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6111 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6099 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6097 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6096 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6099 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6097 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2226 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2225 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3549 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2226 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2329 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 42084 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 01:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 01:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 02:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 03:10: enabled 1 I2C: 03:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 04:15: enabled 1 I2C: 04:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 05:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 0 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:0f.0: enabled 1 PCI: 00:0f.1: enabled 1 PCI: 00:0f.2: enabled 1 APIC: 06: enabled 1 APIC: 02: enabled 1 APIC: 04: enabled 1 BS: BS_DEV_INIT times (us): entry 4969 run 878961 exit 885 ELOG: Event(A1) added with size 10 at 2022-07-02 19:38:03 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-02 19:38:03 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 24772 run 3929 exit 5253 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 02 (unknown) APIC: 04 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5cc bytes, checksum dd8e 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 810114 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 175 run 107700 exit 31878 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:3b Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 6734675/tftp-deploy-tvd71lce/kernel/bzImage 6734675/tftp-deploy-tvd71lce/kernel/cmdline 6734675/tftp-deploy-tvd71lce/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6734675/tftp-deploy-tvd71lce/kernel/bzImagy-tvd71lce/kernel/cmdline 6734675/tftp-deploy-tvd71lce/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0a:3b Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6734675/tftp-deploy-tvd71lce/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ############### done. The bootfile was 13227168 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 ####################################################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 6734675/tftp-deploy-tvd71lce/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/6734675/extract-nfsrootfs-jsu8hypt,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: 18695304 Starting kernel ... [ 0.000000] Linux version 5.10.128-cip10 (KernelCI@build-j298710-x86-64-gcc-10-x86-64-defconfig-x86-chromebooxq4f8) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Jul 2 19:29:05 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/6734675/extract-nfsrootfs-jsu8hypt,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 [ 0.000054] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000300] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001127] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.004926] check: Scanning 1 areas for low memory corruption [ 0.004939] Using GB pages for direct mapping [ 0.005318] RAMDISK: [mem 0x37812000-0x37ffffff] [ 0.005326] ACPI: Early table checksum verification disabled [ 0.005335] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005346] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005359] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005372] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005382] ACPI: FACS 0x000000007AB10240 000040 [ 0.005391] ACPI: FACS 0x000000007AB10240 000040 [ 0.005400] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005409] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005418] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005428] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005437] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005447] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005456] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005460] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005464] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005468] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005472] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005476] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005480] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005483] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005487] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005491] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.005610] No NUMA configuration found [ 0.005615] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.005623] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] [ 0.005668] Zone ranges: [ 0.005672] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.005678] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.005684] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.005690] Movable zone start for each node [ 0.005694] Early memory node ranges [ 0.005697] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.005702] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.005705] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.005709] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.005715] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.005745] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.005795] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012497] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.019965] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.019997] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020302] ACPI: PM-Timer IO Port: 0x408 [ 0.020374] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020389] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020395] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020407] Using ACPI (MADT) for SMP configuration information [ 0.020413] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020424] TSC deadline timer available [ 0.020428] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020459] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020465] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020470] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020475] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020479] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020482] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020486] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020489] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020493] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020496] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020500] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020503] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020510] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020519] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.028783] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.029413] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.029506] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.029514] Policy zone: Normal [ 0.029535] 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/6734675/extract-nfsrootfs-jsu8hypt,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.030489] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.030934] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064239] Memory: 3875440K/4071724K available (18450K kernel code, 3464K rwdata, 6028K rodata, 1692K init, 11548K bss, 196024K reserved, 0K cma-reserved) [ 0.064391] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.064448] Kernel/User page tables isolation: enabled [ 0.064518] ftrace: allocating 53343 entries in 209 pages [ 0.087776] ftrace: allocated 209 pages with 4 groups [ 0.088121] Running RCU self tests [ 0.088140] rcu: Hierarchical RCU implementation. [ 0.088144] rcu: RCU event tracing is enabled. [ 0.088147] rcu: RCU lockdep checking is enabled. [ 0.088151] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.088155] Rude variant of Tasks RCU enabled. [ 0.088158] Tracing variant of Tasks RCU enabled. [ 0.088163] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.088167] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.096107] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.096549] random: crng init done [ 0.096663] Console: colour dummy device 80x25 [ 0.165371] printk: console [ttyS2] enabled [ 0.165727] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.166373] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.166724] ... MAX_LOCK_DEPTH: 48 [ 0.167087] ... MAX_LOCKDEP_KEYS: 8192 [ 0.167455] ... CLASSHASH_SIZE: 4096 [ 0.167829] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.168203] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.168588] ... CHAINHASH_SIZE: 32768 [ 0.168970] memory used by lock dependency info: 6365 kB [ 0.169421] memory used for stack traces: 4224 kB [ 0.169834] per task-struct memory footprint: 1920 bytes [ 0.170354] ACPI: Core revision 20200925 [ 0.171047] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.171882] APIC: Switch to symmetric I/O mode setup [ 0.176839] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.181873] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.182762] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.183750] pid_max: default: 32768 minimum: 301 [ 0.184824] LSM: Security Framework initializing [ 0.185247] SELinux: Initializing. [ 0.185786] LSM support for eBPF active [ 0.186164] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.186763] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.188704] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.188854] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.189316] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.189757] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.190750] Spectre V2 : Mitigation: Retpolines [ 0.191142] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.191749] Speculative Store Bypass: Vulnerable [ 0.192879] Freeing SMP alternatives memory: 44K [ 0.195064] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.196634] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.196760] ... version: 4 [ 0.197108] ... bit width: 48 [ 0.197456] ... generic registers: 4 [ 0.197751] ... value mask: 0000ffffffffffff [ 0.198203] ... max period: 00007fffffffffff [ 0.198650] ... fixed-purpose events: 3 [ 0.198750] ... event mask: 000000070000000f [ 0.199691] rcu: Hierarchical SRCU implementation. [ 0.201589] smp: Bringing up secondary CPUs ... [ 0.202585] x86: Booting SMP configuration: [ 0.202766] .... node #0, CPUs: #1 #2 #3 [ 0.205910] smp: Brought up 1 node, 4 CPUs [ 0.206755] smpboot: Max logical packages: 1 [ 0.207130] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.209118] devtmpfs: initialized [ 0.210125] x86/mm: Memory block size: 128MB [ 0.214826] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.214826] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.215860] pinctrl core: initialized pinctrl subsystem [ 0.216673] PM: RTC time: 19:38:16, date: 2022-07-02 [ 0.218312] NET: Registered protocol family 16 [ 0.219448] audit: initializing netlink subsys (disabled) [ 0.219840] audit: type=2000 audit(1656790696.042:1): state=initialized audit_enabled=0 res=1 [ 0.220528] thermal_sys: Registered thermal governor 'step_wise' [ 0.220532] thermal_sys: Registered thermal governor 'user_space' [ 0.221300] cpuidle: using governor menu [ 0.222954] ACPI: bus type PCI registered [ 0.223142] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.223757] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.224380] PCI: Using configuration type 1 for base access [ 0.248881] Kprobes globally optimized [ 0.249901] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.250755] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.251499] cryptomgr_test (40) used greatest stack depth: 14880 bytes left [ 0.255117] ACPI: Added _OSI(Module Device) [ 0.255761] ACPI: Added _OSI(Processor Device) [ 0.256152] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.256562] ACPI: Added _OSI(Processor Aggregator Device) [ 0.256773] ACPI: Added _OSI(Linux-Dell-Video) [ 0.257164] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.257620] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.266762] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.273833] ACPI: EC: EC started [ 0.274132] ACPI: EC: interrupt blocked [ 0.275128] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.275560] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.276752] ACPI: Interpreter enabled [ 0.277134] ACPI: (supports S0 S3 S5) [ 0.277463] ACPI: Using IOAPIC for interrupt routing [ 0.277804] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.279435] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.283825] ACPI: Power Resource [PXP] (on) [ 0.306782] ACPI: Power Resource [PRIC] (on) [ 0.333275] ACPI: Power Resource [PRIC] (on) [ 0.404245] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.404762] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.405813] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.407185] PCI host bridge to bus 0000:00 [ 0.407542] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.407753] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.408329] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.408753] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.409386] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.409753] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.410308] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.411668] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.412791] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.414056] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.414592] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.414768] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.415359] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.416243] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.416768] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.417355] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.418761] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.419744] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.419770] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.420950] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.421491] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.421803] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.422507] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.424462] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.424794] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.425530] pci 0000:00:0f.0: PME# supported from D3hot [ 0.426267] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.426966] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.428158] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.428702] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.429907] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.431061] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.431607] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.431777] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.433039] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.433580] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.434777] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.436038] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.436587] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.436776] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.438024] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.438577] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.438776] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.440052] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.440603] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.441777] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.443021] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.443573] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.443776] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.445066] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.445608] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.446776] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.448019] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.448566] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.448776] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.450026] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.450576] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.450776] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.452049] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.452601] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.453777] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.455060] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.455606] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.455773] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.457013] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.457559] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.458776] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.460145] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.461526] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.461822] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.462481] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.464063] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.465058] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.466244] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.466897] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.468348] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.470521] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.471764] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.479772] ACPI: EC: interrupt unblocked [ 0.480129] ACPI: EC: event unblocked [ 0.480479] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.480751] ACPI: EC: GPE=0x2b [ 0.481027] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.481628] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.482824] iommu: Default domain type: Translated [ 0.483881] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.484355] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.484779] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.485273] vgaarb: loaded [ 0.486069] SCSI subsystem initialized [ 0.486839] ACPI: bus type USB registered [ 0.487321] usbcore: registered new interface driver usbfs [ 0.487808] usbcore: registered new interface driver hub [ 0.488308] usbcore: registered new device driver usb [ 0.488868] pps_core: LinuxPPS API ver. 1 registered [ 0.489288] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.489763] PTP clock support registered [ 0.491031] Advanced Linux Sound Architecture Driver Initialized. [ 0.492268] NetLabel: Initializing [ 0.492572] NetLabel: domain hash size = 128 [ 0.492751] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.493293] NetLabel: unlabeled traffic allowed by default [ 0.494868] PCI: Using ACPI for IRQ routing [ 0.526017] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.526734] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.526734] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.529865] clocksource: Switched to clocksource tsc-early [ 0.950665] VFS: Disk quotas dquot_6.6.0 [ 0.951081] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.952072] pnp: PnP ACPI init [ 0.953177] system 00:00: [io 0x0900-0x09fe] has been reserved [ 0.953982] system 00:01: [io 0x0200] has been reserved [ 0.954441] system 00:01: [io 0x0204] has been reserved [ 0.954932] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.955438] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.958220] pnp: PnP ACPI: found 3 devices [ 0.973784] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.974653] NET: Registered protocol family 2 [ 0.975234] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.977339] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.978302] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.979231] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.981839] TCP: Hash tables configured (established 32768 bind 32768) [ 0.982918] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.983868] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.984704] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.985808] NET: Registered protocol family 1 [ 0.986965] RPC: Registered named UNIX socket transport module. [ 0.987498] RPC: Registered udp transport module. [ 0.987912] RPC: Registered tcp transport module. [ 0.988316] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.989451] NET: Registered protocol family 44 [ 0.989880] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.990323] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.990926] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.991452] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 0.991987] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.992569] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 0.993154] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 0.993729] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 0.994510] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.997900] PCI: CLS 64 bytes, default 64 [ 0.998645] Unpacking initramfs... [ 1.214815] Freeing initrd memory: 8120K [ 1.215172] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.215723] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.216724] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.217450] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.217946] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.218431] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.218906] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.220630] kvm: already loaded the other module [ 1.221059] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.221951] clocksource: Switched to clocksource tsc [ 1.222479] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.225417] check: Scanning for low memory corruption every 60 seconds [ 1.228614] Initialise system trusted keyrings [ 1.229320] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.248084] NFS: Registering the id_resolver key type [ 1.248563] Key type id_resolver registered [ 1.248975] Key type id_legacy registered [ 1.260587] Key type asymmetric registered [ 1.260999] Asymmetric key parser 'x509' registered [ 1.261484] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.262139] io scheduler mq-deadline registered [ 1.262530] io scheduler kyber registered [ 1.263141] test_firmware: interface ready [ 1.264337] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.266118] ACPI: AC Adapter [AC] (on-line) [ 1.266837] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.268390] ACPI: Lid Switch [LID0] [ 1.268916] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.269795] ACPI: Power Button [PWRB] [ 1.270313] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.271226] ACPI: Sleep Button [SLP] [ 1.271769] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.272578] ACPI: Power Button [PWRF] [ 1.273169] ACPI: \_PR_.CP00: Found 3 idle states [ 1.274334] ACPI: \_PR_.CP01: Found 3 idle states [ 1.275235] ACPI: \_PR_.CP02: Found 3 idle states [ 1.276101] ACPI: \_PR_.CP03: Found 3 idle states [ 1.278089] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.281221] Non-volatile memory driver v1.3 [ 1.281452] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.281774] Linux agpgart interface v0.103 [ 1.285667] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.339640] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x941e [ 1.340408] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.341100] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.342402] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.343298] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.344275] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.389369] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.392721] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.408932] loop: module loaded [ 1.409924] lkdtm: No crash points registered, enable through debugfs [ 1.462124] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.465922] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.469156] printk: console [ttyS2] disabled [ 1.469863] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.324853] printk: console [ttyS2] enabled [ 4.324961] fbcon: i915drmfb (fb0) is primary device [ 4.327197] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.335176] e100: Intel(R) PRO/100 Network Driver [ 4.335180] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.335235] e1000: Intel(R) PRO/1000 Network Driver [ 4.335237] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.335306] e1000e: Intel(R) PRO/1000 Network Driver [ 4.335308] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.335386] sky2: driver version 1.30 [ 4.335660] usbcore: registered new interface driver r8152 [ 4.336245] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.336264] ehci-pci: EHCI PCI platform driver [ 4.336327] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.336342] ohci-pci: OHCI PCI platform driver [ 4.336393] uhci_hcd: USB Universal Host Controller Interface driver [ 4.337927] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.338723] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.340007] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.340054] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.341569] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.341584] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.341587] usb usb1: Product: xHCI Host Controller [ 4.341590] usb usb1: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.341593] usb usb1: SerialNumber: 0000:00:15.0 [ 4.342854] hub 1-0:1.0: USB hub found [ 4.342968] hub 1-0:1.0: 8 ports detected [ 4.344914] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.345366] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.345379] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.345689] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.345695] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.345698] usb usb2: Product: xHCI Host Controller [ 4.345701] usb usb2: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.345704] usb usb2: SerialNumber: 0000:00:15.0 [ 4.346624] hub 2-0:1.0: USB hub found [ 4.346699] hub 2-0:1.0: 7 ports detected [ 4.348357] usbcore: registered new interface driver usblp [ 4.348412] usbcore: registered new interface driver usb-storage [ 4.348836] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.348950] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.348953] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.349533] i8042: Warning: Keylock active [ 4.349769] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.352064] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.353666] rtc_cmos rtc_cmos: registered as rtc0 [ 4.353834] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.355407] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.356529] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.356533] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.356663] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.356715] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.356733] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.356735] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.356842] Console: switching to colour frame buffer device 240x67 [ 4.357671] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.357715] intel_pstate: Intel P-state driver initializing [ 4.360413] sdhci: Secure Digital Host Controller Interface driver [ 4.360420] sdhci: Copyright(c) Pierre Ossman [ 4.360634] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.369969] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.376386] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.377419] hid: raw HID events driver (C) Jiri Kosina [ 4.380098] usbcore: registered new interface driver usbhid [ 4.380104] usbhid: USB HID core driver [ 4.382474] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.389806] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.391866] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.400740] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.507580] mmc0: new HS400 MMC card at address 0001 [ 4.521991] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.526938] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 4.533741] gre: GRE over IPv4 demultiplexor driver [ 4.538158] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 4.544391] ip_gre: GRE over IPv4 tunneling driver [ 4.550155] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 4.558034] IPv4 over IPsec tunneling driver [ 4.559416] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 4.565585] Initializing XFRM netlink socket [ 4.595319] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 4.599953] NET: Registered protocol family 10 [ 4.927765] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 4.932707] Segment Routing with IPv6 [ 4.943236] ip6_gre: GRE over IPv6 tunneling driver [ 4.950544] NET: Registered protocol family 17 [ 4.956464] 8021q: 802.1Q VLAN Support v1.8 [ 4.961381] Key type dns_resolver registered [ 4.969580] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 4.976016] microcode: Microcode Update Driver: v2.2. [ 4.976039] IPI shorthand broadcast: enabled [ 4.986739] sched_clock: Marking stable (4905223462, 81263635)->(4991669433, -5182336) [ 4.996629] registered taskstats version 1 [ 5.001608] Loading compiled-in X.509 certificates [ 5.024380] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.043748] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.061379] PM: Magic number: 14:751:646 [ 5.066510] printk: console [netcon0] enabled [ 5.071443] netconsole: network logging started [ 5.080576] IP-Config: Failed to open gretap0 [ 5.085734] IP-Config: Failed to open erspan0 [ 5.090817] IP-Config: No network devices available [ 5.096629] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.106894] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.116243] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.122690] modprobe (101) used greatest stack depth: 14120 bytes left [ 5.124227] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.124247] usb 1-5: Manufacturer: Quanta [ 5.124255] usb 1-5: SerialNumber: 0x0001 [ 5.138032] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.146013] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.146533] ALSA device list: [ 5.164957] No soundcards found. [ 5.165944] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.178614] cfg80211: failed to load regulatory.db [ 5.184494] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.192990] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 5.206968] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.216203] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.224214] usb 2-5: Product: USB 10/100/1000 LAN [ 5.226448] Freeing unused kernel image (initmem) memory: 1692K [ 5.229513] usb 2-5: Manufacturer: Realtek [ 5.240774] usb 2-5: SerialNumber: 001000001 [ 5.248105] Write protecting the kernel read-only data: 26624k [ 5.253305] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.268263] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.276859] Freeing unused kernel image (rodata/data gap) memory: 116K [ 5.284425] Run /init as init process [ 5.318246] cat (111) used greatest stack depth: 13800 bytes left [ 5.320960] usb 1-6: new full-speed USB device number 3 using xhci_hcd Loading, please wait... [ 5.364177] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.392171] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up Starting version 247.3-7 [ 5.466955] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.476164] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.494439] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.583822] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.614459] r8152 2-5:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.624401] r8152 2-5:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.669429] r8152 2-5:1.0 eth0: v1.11.11 [ 5.675319] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.719615] r8152 2-5:1.0 enx00e04c680a3b: renamed from eth0 [ 5.753738] udevadm (125) used greatest stack depth: 13576 bytes left [ 6.660647] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.675052] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.799084] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.026949] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.045981] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.063523] 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: enx00e04c680a3b hardware address 00:e0:4c:68:0a:3b mtu 1500 DHCP [ 7.279152] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680a3b: link becomes ready [ 7.288100] r8152 2-5:1.0 enx00e04c680a3b: carrier on IP-Config: no response after 2 secs - giving up IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c680a3b hardware address 00:e0:4c:68:0a:3b mtu 1500 DHCP IP-Config: enx00e04c680a3b 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-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.327217] nfsmount (166) 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 [ 11.036666] 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) [ 11.076674] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 11.115108] systemd[1]: Set hostname to . [ 12.457396] systemd[1]: Queued start job for default target Graphical Interface. [ 12.476065] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 12.494475] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 12.513407] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 12.532442] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 12.550890] 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. [ 12.571430] 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. [ 12.594005] 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. [ 12.617616] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 12.634567] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 12.646493] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 12.663464] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 12.675503] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 12.688815] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 12.709538] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 12.728641] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 12.747583] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 12.765560] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 12.787548] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 12.805131] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 12.829850] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 12.853185] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 12.879624] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 12.902965] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 12.927696] 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... [ 12.957084] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 12.996162] systemd[1]: Starting Load Kernel Module drm... [ 13.002574] mount (193) used greatest stack depth: 12528 bytes left Starting [0;1;39mLoad Kernel Module drm[0m... [ 13.025870] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 13.049723] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.078469] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 13.099546] fuse: init (API version 7.32) [ 13.105513] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 13.128845] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 13.155023] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 13.203030] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 13.225596] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 13.253123] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 13.278722] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 13.300571] 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. [ 13.325043] systemd[1]: modprobe@configfs.service: Succeeded. [ 13.334864] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 13.357028] systemd[1]: modprobe@drm.service: Succeeded. [ 13.366219] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 13.386391] systemd[1]: modprobe@fuse.service: Succeeded. [ 13.395604] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 13.415646] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 13.435467] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 13.462607] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 13.485637] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 13.510504] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 13.521427] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 13.540568] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 13.564422] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 13.596322] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 13.621359] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 13.645496] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 13.675679] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 13.692883] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 13.712176] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 13.864447] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 13.887941] systemd[1]: Starting Create Static Device Nodes in /dev... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 13.910434] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [ 14.023787] systemd-journald[202]: 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] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Found device [0;1;39mCeleron N3350…3900 Series HSUART Controller[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of 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. 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] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[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 5.10.128-cip10 #1 SMP Sat Jul 2 19:29:05 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/6734675/extract-nfsrootfs-jsu8hypt' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6734675/extract-nfsrootfs-jsu8hypt' / # 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-6734675/environment . /lava-6734675/environment / # /lava-6734675/bin/lava-test-runner /lava-6734675/0 /lava-6734675/bin/lava-test-runner /lava-6734675/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6734675/0/tests/0_timesync-off ++ cat uuid + UUID=6734675_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-6734675/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6734675_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-118-gb03e159be974/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6734675/0/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. --2022-07-02 19:39:03-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-118-gb03e159be974/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: 3459456 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 165KB/s kselftest.tar.xz 6%[> ] 216.08K 382KB/s kselftest.tar.xz 25%[====> ] 845.34K 851KB/s kselftest.tar.xz 73%[=============> ] 2.43M 1.90MB/s kselftest.tar.xz 100%[===================>] 3.30M 2.28MB/s in 1.4s 2022-07-02 19:39:05 (2.28 MB/s) - 'kselftest.tar.xz' saved [3459456/3459456] 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 ======================================== [ 62.889238] 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 [ 63.457763] lkdtm: Performing direct entry BUG [ 63.463122] ------------[ cut here ]------------ [ 63.468997] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 63.474937] invalid opcode: 0000 [#1] SMP PTI [ 63.479801] CPU: 2 PID: 729 Comm: cat Not tainted 5.10.128-cip10 #1 [ 63.486788] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 63.493395] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.497768] Code: 5b 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 30 2a 71 02 [ 63.518689] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 63.524516] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.532469] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 63.540413] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 63.548360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 63.556307] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 63.564257] FS: 00007f7e49d4e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 63.573270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.579670] CR2: 00007f7e49b67000 CR3: 0000000102fce000 CR4: 00000000003506e0 [ 63.587619] Call Trace: [ 63.590352] direct_entry.cold+0x2c/0x38 [ 63.594736] full_proxy_write+0x56/0x80 [ 63.599004] vfs_write+0xea/0x390 [ 63.602702] ksys_write+0x68/0xe0 [ 63.606401] do_syscall_64+0x33/0x40 [ 63.610387] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.616019] RIP: 0033:0x7f7e49c76f33 [ 63.620001] 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 [ 63.640918] RSP: 002b:00007ffd1ea598b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.649352] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7e49c76f33 [ 63.657301] RDX: 0000000000000004 RSI: 00007f7e49b67000 RDI: 0000000000000001 [ 63.665251] RBP: 00007f7e49b67000 R08: 00007f7e49b66010 R09: 0000000000000000 [ 63.673203] R10: 00007f7e49d711c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.681153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.689115] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.705096] ---[ end trace aa8e3adb220bab5c ]--- [ 63.710265] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.714657] Code: 5b 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 30 2a 71 02 [ 63.735599] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 63.741443] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.749417] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 63.757384] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 63.765349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 63.773325] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 63.781302] FS: 00007f7e49d4e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 63.790340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.796773] CR2: 00007f7e49b67000 CR3: 0000000102fce000 CR4: 00000000003506e0 # Segmentation fault # [ 63.457763] lkdtm: Performing direct entry BUG # [ 63.463122] ------------[ cut here ]------------ # [ 63.468997] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 63.474937] invalid opcode: 0000 [#1] SMP PTI # [ 63.479801] CPU: 2 PID: 729 Comm: cat Not tainted 5.10.128-cip10 #1 # [ 63.486788] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.493395] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.497768] Code: 5b 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 30 2a 71 02 # [ 63.518689] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 63.524516] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 63.532469] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 63.540413] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 63.548360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 63.556307] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 63.564257] FS: 00007f7e49d4e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 63.573270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.579670] CR2: 00007f7e49b67000 CR3: 0000000102fce000 CR4: 00000000003506e0 # [ 63.587619] Call Trace: # [ 63.590352] direct_entry.cold+0x2c/0x38 # [ 63.594736] full_proxy_write+0x56/0x80 # [ 63.599004] vfs_write+0xea/0x390 # [ 63.602702] ksys_write+0x68/0xe0 # [ 63.606401] do_syscall_64+0x33/0x40 # [ 63.610387] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.616019] RIP: 0033:0x7f7e49c76f33 # [ 63.620001] 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 [ 64.022535] lkdtm: Performing direct entry WARNING 24 18 # [ 63.640918] RSP: 002b:00007ffd1ea598b8 EFLAGS: 00000[ 64.030063] ------------[ cut here ]------------ 246 ORIG_RAX: 0000000000000001 # [ 63.649352] RAX: ffffffffff[ 64.041414] WARNING: CPU: 3 PID: 765 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 ffffda RBX: 0000000000000004 RCX: 00007f7e49c76f33 # [ 63.657[ 64.056933] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 301] RDX: 0000000000000004 RSI: 00007f7e49b67000 RDI: 0000000000[ 64.079021] CPU: 3 PID: 765 Comm: cat Tainted: G D 5.10.128-cip10 #1 000001 # [ 63.665251] RBP: 00007f7e49b67000 R08: 00007f7e49b6[ 64.094042] Hardware name: Google Coral/Coral, BIOS 09/29/2020 6010 R09: 0000000000000000 # [ 63.673203] R10: 00007f7e49d711[ 64.106586] RIP: 0010:lkdtm_WARNING+0xf/0x20 c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.681153][ 64.117744] 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 30 2a 71 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 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[ 64.144910] RSP: 0018:ffffae86c1437e60 EFLAGS: 00010202 00 # [ 63.689115] Modules linked in: fuse ip_tables cros_ec_d[ 64.156968] RAX: ffffffffb8ab1af0 RBX: 0000000000000002 RCX: 0000000000000000 ebugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_te[ 64.170850] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffffffffb96d9a80 mp_thermal cros_ec_dev cros_usbpd_notify # [ 63.705096] ---[ [ 64.184992] RBP: ffffffffb9ac7d97 R08: 0000000000000000 R09: 0000000000000000 end trace aa8e3adb220bab5c ]--- # [ 63.710265] RIP: 0010:lkdt[ 64.199215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 m_BUG+0x5/0x10 # [ 63.714657] Code: 5b a5 ff 48 c7 c0 ea ff f[ 64.213327] R13: ffffae86c1437f10 R14: ffffae86c1437f10 R15: ffff8aee02b20000 f ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc[ 64.227515] FS: 00007fee50507580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 0[ 64.242708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 63.735599] RSP: [ 64.255322] CR2: 00007fee50320000 CR3: 0000000102fe6000 CR4: 00000000003506e0 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 63.741443] RAX: ff[ 64.269475] Call Trace: ffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 64.278422] direct_entry.cold+0x2c/0x38 63.749417] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ff[ 64.289031] full_proxy_write+0x56/0x80 ffffffb96d9a70 # [ 63.757384] RBP: ffffffffb9b23298 R08: 0000[ 64.299486] vfs_write+0xea/0x390 000000000001 R09: 0000000000000001 # [ 63.765349] R10: 000000[ 64.309389] ksys_write+0x68/0xe0 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 63[ 64.319316] do_syscall_64+0x33/0x40 .773325] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8a[ 64.329482] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ee03aa2000 # [ 63.781302] FS: 00007f7e49d4e580(0000) GS:ffff[ 64.341321] RIP: 0033:0x7fee5042ff33 8aee7bd00000(0000) knlGS:0000000000000000 # [ 63.790340] CS: [ 64.351542] 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 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.796773] [ 64.378695] RSP: 002b:00007ffc3d900d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 CR2: 00007f7e49b67000 CR3: 0000000102fce000 CR4: 00000000003506e[ 64.393331] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fee5042ff33 0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh[ 64.407501] RDX: 0000000000000008 RSI: 00007fee50320000 RDI: 0000000000000001 # selftests: lkdtm: WARNING.sh [ 64.421690] RBP: 00007fee50320000 R08: 00007fee5031f010 R09: 0000000000000000 [ 64.432917] R10: 00007fee5052a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.440899] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.448910] irq event stamp: 0 [ 64.452342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.459361] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.468495] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.477661] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.484676] ---[ end trace aa8e3adb220bab5d ]--- # [ 64.022535] lkdtm: Performing direct entry WARNING # [ 64.030063] ------------[ cut here ]------------ # [ 64.041414] WARNING: CPU: 3 PID: 765 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 64.056933] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.079021] CPU: 3 PID: 765 Comm: cat Tainted: G D 5.10.128-cip10 #1 # [ 64.094042] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.106586] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 64.117744] 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 30 2a 71 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 # [ 64.144910] RSP: 0018:ffffae86c1437e60 EFLAGS: 00010202 # [ 64.156968] RAX: ffffffffb8ab1af0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 64.170850] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffffffffb96d9a80 # [ 64.184992] RBP: ffffffffb9ac7d97 R08: 0000000000000000 R09: 0000000000000000 # [ 64.199215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 64.213327] R13: ffffae86c1437f10 R14: ffffae86c1437f10 R15: ffff8aee02b20000 # [ 64.227515] FS: 00007fee50507580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 64.242708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.255322] CR2: 00007fee50320000 CR3: 0000000102fe6000 CR4: 00000000003506e0 # [ 64.269475] Call Trace: # [ 64.278422] direct_entry.cold+0x2c/0x38 # [ 64.289031] full_proxy_write+0x56/0x80 # [ 64.299486] vfs_write+0xea/0x390 # [ 64.309389] ksys_write+0x68/0xe0 # [ 64.319316] do_syscall_64+0x33/0x40 # [ 64.329482] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.341321] RIP: 0033:0x7fee5042ff33 # [ 64.351542] 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[ 64.742462] lkdtm: Performing direct entry WARNING_MESSAGE [ 64.753127] ------------[ cut here ]------------ [ 64.758336] Warning message trigger count: 2 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 64.763191] WARNING: CPU: 2 PID: 800 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 64.779599] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.795575] CPU: 2 PID: 800 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 64.804144] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 64.810780] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 64.816441] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 11 2a 71 02 48 c7 c7 f8 82 ac b9 8d 70 01 89 35 01 2a 71 02 e8 26 89 64 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 [ 64.837394] RSP: 0018:ffffae86c14afe60 EFLAGS: 00010286 [ 64.843242] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 64.851220] RDX: ffff8aee7bd2c660 RSI: ffff8aee7bd1bf70 RDI: ffff8aee7bd1bf70 [ 64.859193] RBP: ffffffffb9ac7d9f R08: 0000000000000000 R09: 0000000000000000 [ 64.867180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 64.875159] R13: ffffae86c14aff10 R14: ffffae86c14aff10 R15: ffff8aee05f1f000 [ 64.883135] FS: 00007fcd7ca9f580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 64.892177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.898611] CR2: 00007fcd7c8b8000 CR3: 00000001032c4000 CR4: 00000000003506e0 [ 64.906580] Call Trace: [ 64.909338] direct_entry.cold+0x2c/0x38 [ 64.913752] full_proxy_write+0x56/0x80 [ 64.918066] vfs_write+0xea/0x390 [ 64.921787] ksys_write+0x68/0xe0 [ 64.925514] do_syscall_64+0x33/0x40 [ 64.929524] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.935187] RIP: 0033:0x7fcd7c9c7f33 [ 64.939196] 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 [ 64.960155] RSP: 002b:00007ffe3156a058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.968619] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fcd7c9c7f33 [ 64.976598] RDX: 0000000000000010 RSI: 00007fcd7c8b8000 RDI: 0000000000000001 [ 64.984571] RBP: 00007fcd7c8b8000 R08: 00007fcd7c8b7010 R09: 0000000000000000 [ 64.992546] R10: 00007fcd7cac21c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.000527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.008515] irq event stamp: 0 0 48 83 ec 28 48 89 54 24 18 # [ 64.378695] RSP: 002b:00007ff[ 65.011938] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c3d900d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.[ 65.025134] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.040468] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.049601] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.056602] ---[ end trace aa8e3adb220bab5e ]--- 393331] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fee5042ff33 # [ 64.407501] RDX: 0000000000000008 RSI: 00007fee50320000 RDI: 0000000000000001 # [ 64.421690] RBP: 00007fee50320000 R08: 00007fee5031f010 R09: 0000000000000000 # [ 64.432917] R10: 00007fee5052a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.440899] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.448910] irq event stamp: 0 # [ 64.452342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.459361] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.468495] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.477661] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.484676] ---[ end trace aa8e3adb220bab5d ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 64.742462] lkdtm: Performing direct entry WARNING_MESSAGE # [ 64.753127] ------------[ cut here ]------------ # [ 64.758336] Warning message trigger count: 2 # [ 64.763191] WARNING: CPU: 2 PID: 800 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 64.779599] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.795575] CPU: 2 PID: 800 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 64.804144] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.810780] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 64.816441] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 11 2a 71 02 48 c7 c7 f8 82 ac b9 8d 70 01 89 35 01 2a 71 02 e8 26 89 64 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 64.837394] RSP: 0018:ffffae86c14afe60 EFLAGS: 00010286 # [ 64.843242] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 64.851220] RDX: ffff8aee7bd2c660 RSI: ffff8aee7bd1bf70 RDI: ffff8aee7bd1bf70 # [ 64.859193] RBP: ffffffffb9ac7d9f R08: 0000000000000000 R09: 0000000000000000 # [ 64.867180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 64.875159] R13: ffffae86c14aff10 R14: ffffae86c14aff10 R15: ffff8aee05f1f000 # [ 64.883135] FS: 00007fcd7ca9f580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 64.892177] CS: 00[ 65.296306] lkdtm: Performing direct entry EXCEPTION [ 65.303017] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 65.310780] #PF: supervisor write access in kernel mode [ 65.316604] #PF: error_code(0x0002) - not-present page [ 65.322329] PGD 0 P4D 0 [ 65.325159] Oops: 0002 [#2] SMP PTI [ 65.329052] CPU: 2 PID: 832 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 65.337589] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.344201] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 65.349157] Code: 48 c7 c7 f8 82 ac b9 8d 70 01 89 35 01 2a 71 02 e8 26 89 64 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 [ 65.370094] RSP: 0018:ffffae86c151fe60 EFLAGS: 00010282 [ 65.375921] RAX: ffffffffb8ab1b40 RBX: 0000000000000004 RCX: 0000000000000000 [ 65.383878] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9aa0 [ 65.391833] RBP: ffffffffb99fd99f R08: 0000000000000000 R09: 0000000000000000 [ 65.399790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 65.407745] R13: ffffae86c151ff10 R14: ffffae86c151ff10 R15: ffff8aee03bb9000 [ 65.415700] FS: 00007f72146d3580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 65.424720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.431125] CR2: 0000000000000000 CR3: 0000000102fe6000 CR4: 00000000003506e0 [ 65.439078] Call Trace: [ 65.441814] direct_entry.cold+0x2c/0x38 [ 65.446198] full_proxy_write+0x56/0x80 [ 65.450479] vfs_write+0xea/0x390 [ 65.454176] ksys_write+0x68/0xe0 [ 65.457870] do_syscall_64+0x33/0x40 [ 65.461854] entry_SYSCALL_64_after_hwframe+0x44/0xa9 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.898611] CR2[ 65.467488] RIP: 0033:0x7f72145fbf33 [ 65.477659] 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 [ 65.498582] RSP: 002b:00007fffce541598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.507012] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72145fbf33 [ 65.514963] RDX: 000000000000000a RSI: 00007f72144ec000 RDI: 0000000000000001 [ 65.522912] RBP: 00007f72144ec000 R08: 00007f72144eb010 R09: 0000000000000000 [ 65.530861] R10: 00007f72146f61c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.538812] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.546771] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.562701] CR2: 0000000000000000 [ 65.566397] ---[ end trace aa8e3adb220bab5f ]--- [ 65.571545] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.575917] Code: 5b 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 30 2a 71 02 [ 65.596831] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 65.602657] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.610609] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 65.618558] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 65.626507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.634458] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 65.642407] FS: 00007f72146d3580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 65.651423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.657823] CR2: 0000000000000000 CR3: 0000000102fe6000 CR4: 00000000003506e0 [ 65.665775] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 65.675662] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 832, name: cat [ 65.683998] INFO: lockdep is turned off. [ 65.688365] irq event stamp: 0 [ 65.691766] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.698752] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.707861] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.716976] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.723957] CPU: 2 PID: 832 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 65.732485] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.739076] Call Trace: [ 65.741804] dump_stack+0x77/0x97 [ 65.745501] ___might_sleep.cold+0xa6/0xb6 [ 65.750071] exit_signals+0x1c/0x2d0 [ 65.754056] do_exit+0xd5/0xb00 [ 65.757559] ? ksys_write+0x68/0xe0 [ 65.761452] rewind_stack_do_exit+0x17/0x20 [ 65.766114] RIP: 0033:0x7f72145fbf33 [ 65.770101] 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 [ 65.791020] RSP: 002b:00007fffce541598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.799463] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72145fbf33 [ 65.807419] RDX: 000000000000000a RSI: 00007f72144ec000 RDI: 0000000000000001 [ 65.815371] RBP: 00007f72144ec000 R08: 00007f72144eb010 R09: 0000000000000000 [ 65.823326] R10: 00007f72146f61c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.831276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00007fcd7c8b8000 CR3: 00000001032c4000 CR4: 00000000003506e0 # [ 64.906580] Call Trace: # [ 64.909338] direct_entry.cold+0x2c/0x38 # [ 64.913752] full_proxy_write+0x56/0x80 # [ 64.918066] vfs_write+0xea/0x390 # [ 64.921787] ksys_write+0x68/0xe0 # [ 64.925514] do_syscall_64+0x33/0x40 # [ 64.929524] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.935187] RIP: 0033:0x7fcd7c9c7f33 # [ 64.939196] 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 # [ 64.960155] RSP: 002b:00007ffe3156a058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.968619] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fcd7c9c7f33 # [ 64.976598] RDX: 0000000000000010 RSI: 00007fcd7c8b8000 RDI: 0000000000000001 # [ 64.984571] RBP: 00007fcd7c8b8000 R08: 00007fcd7c8b7010 R09: 0000000000000000 # [ 64.992546] R10: 00007fcd7cac21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.000527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.008515] irq event stamp: 0 # [ 65.011938] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.025134] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.040468] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.049601] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.056602] ---[ end trace aa8e3adb220bab5e ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 65.296306] lkdtm: Performing direct entry EXCEPTION # [ 65.303017] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 65.310780] #PF: supervisor write access in kernel mode # [ 65.316604] #PF: error_code(0x0002) - not-present page # [ 65.322329] PGD 0 P4D 0 # [ 65.325159] Oops: 0002 [#2] SMP PTI # [ 65.329052] CPU: 2 PID: 832 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 65.337589] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.344201] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 65.349157] Code: 48 c7 c7 f8 82 ac b9 8d 70 01 89 35 01 2a 71 02 e8 26 89 64 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 # [ 65.370094] RSP: 0018:ffffae86c151fe60 EFLAGS: 00010282 # [ 65.375921] RAX: ffffffffb8ab1b40 RBX: 0000000000000004 RCX: 0000000000000000 # [ 65.383878] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9aa0 # [ 65.391833] RBP: ffffffffb99fd99f R08: 0000000000000000 R09: 0000000000000000 # [ 65.399790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 65.407745] R13: ffffae86c151ff10 R14: ffffae86c151ff10 R15: ffff8aee03bb9000 # [ 65.415700] FS: 00007f72146d3580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 65.424720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.431125] CR2: 0000000000000000 CR3: 0000000102fe6000 CR4: 00000000003506e0 # [ 65.439078] Call Trace: # [ 65.441814] direct_entry.cold+0x2c/0x38 # [ 65.446198] full_proxy_write+0x56/0x80 # [ 65.450479] vfs_write+0xea/0x390 # [ 65.454176] ksys_write+0x68/0xe0 # [ 65.457870] do_syscall_64+0x33/0x40 # [ 65.461854] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.467488] RIP: 0033:0x7f72145fbf33 # [ 65.477659] 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 # [ 65.498582] RSP: 002b:00007fffce541598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.507012] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72145fbf33 # [ 65.514963] RDX: 000000000000000a RSI: 00007f72144ec000 RDI: 0000000000000001 # [ 65.522912] RBP: 00007f72144ec000 R08: 00007f72144eb010 R09: 0000000000000000 # [ 65.530861] R10: 00007f72146f61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.538812] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.546771] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.562701] CR2: 0000000000000000 # [ 65.566397] ---[ end trace aa8e3adb220bab5f ]--- # [ 65.571545] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.575917] Code: 5b 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 30 2a 71 02 # [ 65.596831] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 65.602657] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.610609] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 65.618558] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 65.626507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.634458] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 65.642407] FS: 00007f72146d3580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 65.651423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.657823] CR2: 0000000000000000 CR3: 0000000102fe6000 CR4: 00000000003506e0 # [ 65.665775] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 65.675662] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 832, name: cat # [ 65.683998] INFO: lockdep is turned off. # [ 65.688365] irq event stamp: 0 # [ 65.691766] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.698752] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.707861] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.716976] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.723957] CPU: 2 PID: 832 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 65.732485] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.739076] Call Trace: # [ 65.741804] dump_stack+0x77/0x97 # [ 65.745501] ___might_sleep.cold+0xa6/0xb6 # [ 65.750071] exit_signals+0x1c/0x2d0 # [ 65.754056] do_exit+0xd5/0xb00 # [ 65.757559] ? ksys_write+0x68/0xe0 # [ 65.761452] rewind_stack_do_exit+0x17/0x20 # [ 65.766114] RIP: 0033:0x7f72145fbf33 # [ 65.770101] 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 # [ 65.791020] RSP: 002b:00007fffce541598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.799463] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f72145fbf33 # [ 65.807419] RDX: 000000000000000a RSI: 00007f72144ec000 RDI: 0000000000000001 # [ 65.815371] RBP: 00007f72144ec000 R08: 00007f72144eb010 R09: 0000000000000000 # [ 65.823326] R10: 00007f72146f61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.831276] 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 [ 66.602834] lkdtm: Performing direct entry CORRUPT_LIST_ADD success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP [ 66.614342] lkdtm: attempting good list addition # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 66.625731] lkdtm: attempting corrupted list addition [ 66.635329] lkdtm: list_add() corruption not detected! # [ 66.602834] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 66.614342] lkdtm: attempting good list addition # [ 66.625731] lkdtm: attempting corrupted list addition # [ 66.635329] 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 [ 66.851966] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 66.858210] lkdtm: attempting good list removal [ 66.863282] lkdtm: attempting corrupted list removal [ 66.868843] lkdtm: list_del() corruption not detected! # [ 66.851966] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 66.858210] lkdtm: attempting good list removal # [ 66.863282] lkdtm: attempting corrupted list removal # [ 66.868843] 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 [ 67.095163] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 67.102183] lkdtm: attempting bad read from page below current stack [ 67.109321] BUG: stack guard page was hit at 0000000061376d8c (stack is 00000000a1a1b8bb..00000000a04b85fe) [ 67.120186] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 67.126985] CPU: 2 PID: 1057 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 67.135614] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.142218] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 67.148722] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 98 86 ac b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 d8 86 ac b9 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 67.169656] RSP: 0018:ffffae86c1847e50 EFLAGS: 00010246 [ 67.175483] RAX: 0000000000000038 RBX: ffffae86c1844000 RCX: 0000000000000000 [ 67.183433] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb9ac86d8 [ 67.191384] RBP: ffffffffb9ac7e02 R08: 0000000000000000 R09: 0000000000000000 [ 67.199336] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 67.207288] R13: ffffae86c1847f10 R14: ffffae86c1847f10 R15: ffff8aee0511c000 [ 67.215244] FS: 00007f9217758580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 67.224268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.230675] CR2: ffffae86c1843fff CR3: 00000001053ca000 CR4: 00000000003506e0 [ 67.238631] Call Trace: [ 67.241365] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 67.246418] direct_entry.cold+0x2c/0x38 [ 67.250790] full_proxy_write+0x56/0x80 [ 67.255072] vfs_write+0xea/0x390 [ 67.258769] ksys_write+0x68/0xe0 [ 67.262473] do_syscall_64+0x33/0x40 [ 67.266460] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.272083] RIP: 0033:0x7f9217680f33 [ 67.276068] 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 [ 67.296990] RSP: 002b:00007ffc4f668788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.305432] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9217680f33 [ 67.313386] RDX: 0000000000000019 RSI: 00007f9217571000 RDI: 0000000000000001 [ 67.321340] RBP: 00007f9217571000 R08: 00007f9217570010 R09: 0000000000000000 [ 67.329297] R10: 00007f921777b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.337254] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.345221] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.361158] ---[ end trace aa8e3adb220bab60 ]--- [ 67.366310] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 67.370684] Code: 5b 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 30 2a 71 02 [ 67.391618] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 67.397446] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 67.405401] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 67.413358] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 67.421316] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 67.429273] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 67.437229] FS: 00007f9217758580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 67.446244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.452645] CR2: ffffae86c1843fff CR3: 00000001053ca000 CR4: 00000000003506e0 [ 67.460602] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 67.470490] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1057, name: cat [ 67.478926] INFO: lockdep is turned off. [ 67.483296] irq event stamp: 0 [ 67.486697] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.493686] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.502803] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.511916] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.518899] CPU: 2 PID: 1057 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 67.527527] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.534119] Call Trace: [ 67.536847] dump_stack+0x77/0x97 [ 67.540543] ___might_sleep.cold+0xa6/0xb6 [ 67.545114] exit_signals+0x1c/0x2d0 [ 67.549101] do_exit+0xd5/0xb00 [ 67.552603] ? ksys_write+0x68/0xe0 [ 67.556500] rewind_stack_do_exit+0x17/0x20 [ 67.561165] RIP: 0033:0x7f9217680f33 [ 67.565149] 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 [ 67.586077] RSP: 002b:00007ffc4f668788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.594517] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9217680f33 [ 67.602466] RDX: 0000000000000019 RSI: 00007f9217571000 RDI: 0000000000000001 [ 67.610415] RBP: 00007f9217571000 R08: 00007f9217570010 R09: 0000000000000000 [ 67.618367] R10: 00007f921777b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.626316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 67.095163] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 67.102183] lkdtm: attempting bad read from page below current stack # [ 67.109321] BUG: stack guard page was hit at 0000000061376d8c (stack is 00000000a1a1b8bb..00000000a04b85fe) # [ 67.120186] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 67.126985] CPU: 2 PID: 1057 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 67.135614] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.142218] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 67.148722] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 98 86 ac b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 d8 86 ac b9 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 67.169656] RSP: 0018:ffffae86c1847e50 EFLAGS: 00010246 # [ 67.175483] RAX: 0000000000000038 RBX: ffffae86c1844000 RCX: 0000000000000000 # [ 67.183433] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb9ac86d8 # [ 67.191384] RBP: ffffffffb9ac7e02 R08: 0000000000000000 R09: 0000000000000000 # [ 67.199336] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 67.207288] R13: ffffae86c1847f10 R14: ffffae86c1847f10 R15: ffff8aee0511c000 # [ 67.215244] FS: 00007f9217758580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 67.224268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.230675] CR2: ffffae86c1843fff CR3: 00000001053ca000 CR4: 00000000003506e0 # [ 67.238631] Call Trace: # [ 67.241365] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 67.246418] direct_entry.cold+0x2c/0x38 # [ 67.250790] full_proxy_write+0x56/0x80 # [ 67.255072] vfs_write+0xea/0x390 # [ 67.258769] ksys_write+0x68/0xe0 # [ 67.262473] do_syscall_64+0x33/0x40 # [ 67.266460] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.272083] RIP: 0033:0x7f9217680f33 # [ 67.276068] 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 # [ 67.296990] RSP: 002b:00007ffc4f668788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.305432] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9217680f33 # [ 67.313386] RDX: 0000000000000019 RSI: 00007f9217571000 RDI: 0000000000000001 # [ 67.321340] RBP: 00007f9217571000 R08: 00007f9217570010 R09: 0000000000000000 # [ 67.329297] R10: 00007f921777b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.337254] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.345221] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.361158] ---[ end trace aa8e3adb220bab60 ]--- # [ 67.366310] RIP: 0010:[ 67.951988] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 67.961647] lkdtm: attempting bad read from page above current stack [ 67.968790] BUG: stack guard page was hit at 00000000d79cad1b (stack is 00000000938ada20..0000000097a28f17) [ 67.979661] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 67.986461] CPU: 0 PID: 1090 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 67.995094] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.001698] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 68.008300] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 10 87 ac b9 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 50 87 ac b9 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 68.029224] RSP: 0018:ffffae86c18bfe50 EFLAGS: 00010246 [ 68.035050] RAX: 0000000000000038 RBX: ffffae86c18bc000 RCX: 0000000000000000 [ 68.043004] RDX: 0000000000000000 RSI: ffff8aee7bc1bf70 RDI: ffffffffb9ac8750 [ 68.050958] RBP: ffffffffb9ac7e1b R08: 0000000000000000 R09: 0000000000000000 [ 68.058910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 68.066866] R13: ffffae86c18bff10 R14: ffffae86c18bff10 R15: ffff8aee04320000 [ 68.074820] FS: 00007fa4f3646580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 68.083838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.090244] CR2: ffffae86c18c0000 CR3: 0000000102fe6000 CR4: 00000000003506f0 [ 68.098197] Call Trace: [ 68.100929] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 68.106759] direct_entry.cold+0x2c/0x38 [ 68.111142] full_proxy_write+0x56/0x80 [ 68.115423] vfs_write+0xea/0x390 [ 68.119121] ksys_write+0x68/0xe0 [ 68.122823] do_syscall_64+0x33/0x40 [ 68.126811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.132446] RIP: 0033:0x7fa4f356ef33 [ 68.136431] 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 [ 68.157371] RSP: 002b:00007ffc56662e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.165809] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa4f356ef33 [ 68.173768] RDX: 000000000000001a RSI: 00007fa4f345f000 RDI: 0000000000000001 [ 68.181727] RBP: 00007fa4f345f000 R08: 00007fa4f345e010 R09: 0000000000000000 [ 68.189681] R10: 00007fa4f36691c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.197634] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.205599] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.221532] ---[ end trace aa8e3adb220bab61 ]--- [ 68.226683] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.231058] Code: 5b 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 30 2a 71 02 [ 68.251991] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 68.257819] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.265776] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 68.273734] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 68.281692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.289642] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 68.297599] FS: 00007fa4f3646580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 68.306620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.313026] CR2: ffffae86c18c0000 CR3: 0000000102fe6000 CR4: 00000000003506f0 [ 68.320984] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 68.330879] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1090, name: cat [ 68.339310] INFO: lockdep is turned off. [ 68.343678] irq event stamp: 0 [ 68.347079] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.354072] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.363194] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.372311] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.379300] CPU: 0 PID: 1090 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 68.387932] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.394528] Call Trace: [ 68.397260] dump_stack+0x77/0x97 [ 68.400962] ___might_sleep.cold+0xa6/0xb6 [ 68.405535] exit_signals+0x1c/0x2d0 [ 68.409526] do_exit+0xd5/0xb00 [ 68.413029] ? ksys_write+0x68/0xe0 [ 68.416924] rewind_stack_do_exit+0x17/0x20 [ 68.421590] RIP: 0033:0x7fa4f356ef33 [ 68.425574] 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 [ 68.446506] RSP: 002b:00007ffc56662e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.454941] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa4f356ef33 [ 68.462894] RDX: 000000000000001a RSI: 00007fa4f345f000 RDI: 0000000000000001 [ 68.470847] RBP: 00007fa4f345f000 R08: 00007fa4f345e010 R09: 0000000000000000 [ 68.478801] R10: 00007fa4f36691c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.486754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm_BUG+0x5/0x10 # [ 67.370684] Code: 5b 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 30 2a 71 02 # [ 67.391618] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 67.397446] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 67.405401] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 67.413358] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 67.421316] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 67.429273] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 67.437229] FS: 00007f9217758580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 67.446244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.452645] CR2: ffffae86c1843fff CR3: 00000001053ca000 CR4: 00000000003506e0 # [ 67.460602] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 67.470490] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1057, name: cat # [ 67.478926] INFO: lockdep is turned off. # [ 67.483296] irq event stamp: 0 # [ 67.486697] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.493686] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.502803] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.511916] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.518899] CPU: 2 PID: 1057 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 67.527527] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.534119] Call Trace: # [ 67.536847] dump_stack+0x77/0x97 # [ 67.540543] ___might_sleep.cold+0xa6/0xb6 # [ 67.545114] exit_signals+0x1c/0x2d0 # [ 67.549101] do_exit+0xd5/0xb00 # [ 67.552603] ? ksys_write+0x68/0xe0 # [ 67.556500] rewind_stack_do_exit+0x17/0x20 # [ 67.561165] RIP: 0033:0x7f9217680f33 # [ 67.565149] 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 # [ 67.586077] RSP: 002b:00007ffc4f668788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.594517] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9217680f33 # [ 67.602466] RDX: 0000000000000019 RSI: 00007f9217571000 RDI: 0000000000000001 # [ 67.610415] RBP: 00007f9217571000 R08: 00007f9217570010 R09: 0000000000000000 # [ 67.618367] R10: 00007f921777b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.626316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_G[ 68.761649] lkdtm: Performing direct entry UNSET_SMEP UARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm[ 68.773282] lkdtm: trying to clear SMEP normally : STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_P[ 68.784662] ------------[ cut here ]------------ AGE_TRAILING.sh # Segmentation fault # [ 67.951988] lkdtm: P[ 68.796025] pinned CR4 bits changed: 0x100000!? erforming direct entry STACK_GUARD_PAGE_TRAILING # [ 67.96164[ 68.807288] WARNING: CPU: 1 PID: 1126 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 7] lkdtm: attempting bad read from page above current stack # [[ 68.823682] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.845788] CPU: 1 PID: 1126 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 68.854447] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.861074] RIP: 0010:native_write_cr4+0x41/0x60 [ 68.866249] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 76 eb c3 01 00 75 f6 48 c7 c7 00 79 a0 b9 c6 05 66 eb c3 01 01 e8 85 a7 e3 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 68.887222] RSP: 0018:ffffae86c191fe48 EFLAGS: 00010286 67.968790] BUG: stack guard page was hit at 00000000d79cad1b [ 68.893073] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 [ 68.907228] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 (stack is 00000000938ada20..0000000097a28f17) # [ 67.979661] [ 68.915202] RBP: ffffffffb9ac7e35 R08: 0000000000000000 R09: 0000000000000000 [ 68.929350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 68.937326] R13: ffffae86c191ff10 R14: ffffae86c191ff10 R15: ffff8aee03d79000 [ 68.945302] FS: 00007f95eb9ac580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 [ 68.954346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.960774] CR2: 00007f95eb7c5000 CR3: 0000000102b10000 CR4: 00000000003506e0 [ 68.968759] Call Trace: [ 68.971519] lkdtm_UNSET_SMEP.cold+0x1d/0x103 kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 67.[ 68.976409] direct_entry.cold+0x2c/0x38 [ 68.986978] full_proxy_write+0x56/0x80 [ 68.991286] vfs_write+0xea/0x390 986461] CPU: 0 PID: 1090 Comm: cat Tainted: G D W 5[ 68.995009] ksys_write+0x68/0xe0 [ 69.004900] do_syscall_64+0x33/0x40 .10.128-cip10 #1 # [ 67.995094] Hardware name: Google Coral/C[ 69.008914] entry_SYSCALL_64_after_hwframe+0x44/0xa9 oral, BIOS 09/29/2020 # [ 68.001698] RIP: 0010:lkdtm_STACK_G[ 69.020739] RIP: 0033:0x7f95eb8d4f33 [ 69.030950] 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 [ 69.051921] RSP: 002b:00007ffc529c6868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.060394] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f95eb8d4f33 [ 69.068377] RDX: 000000000000000b RSI: 00007f95eb7c5000 RDI: 0000000000000001 [ 69.076356] RBP: 00007f95eb7c5000 R08: 00007f95eb7c4010 R09: 0000000000000000 [ 69.084342] R10: 00007f95eb9cf1c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.092315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 UARD_PAGE_TRAILING+0x27/0x3d # [ 68.008300] Code: a4 fd ff 0f[ 69.100307] irq event stamp: 0 1f 44 00 00 53 48 c7 c7 10 87 ac b9 50 65 48 8b 04 25 40 b0 01 [ 69.109902] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 50 87 ac b9 <8a> 83 00 40[ 69.123104] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.138442] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.147588] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 68[ 69.154630] ---[ end trace aa8e3adb220bab62 ]--- .029224] RSP: 0018:ffffae86c18bfe50 EFLAGS: 00010246 # [ 68.0[ 69.165985] lkdtm: ok: SMEP did not get cleared [ 69.177241] lkdtm: trying to clear SMEP with call gadget [ 69.183183] lkdtm: ok: SMEP removal was reverted 35050] RAX: 0000000000000038 RBX: ffffae86c18bc000 RCX: 0000000000000000 # [ 68.043004] RDX: 0000000000000000 RSI: ffff8aee7bc1bf70 RDI: ffffffffb9ac8750 # [ 68.050958] RBP: ffffffffb9ac7e1b R08: 0000000000000000 R09: 0000000000000000 # [ 68.058910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 68.066866] R13: ffffae86c18bff10 R14: ffffae86c18bff10 R15: ffff8aee04320000 # [ 68.074820] FS: 00007fa4f3646580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 68.083838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.090244] CR2: ffffae86c18c0000 CR3: 0000000102fe6000 CR4: 00000000003506f0 # [ 68.098197] Call Trace: # [ 68.100929] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 68.106759] direct_entry.cold+0x2c/0x38 # [ 68.111142] full_proxy_write+0x56/0x80 # [ 68.115423] vfs_write+0xea/0x390 # [ 68.119121] ksys_write+0x68/0xe0 # [ 68.122823] do_syscall_64+0x33/0x40 # [ 68.126811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.132446] RIP: 0033:0x7fa4f356ef33 # [ 68.136431] 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 # [ 68.157371] RSP: 002b:00007ffc56662e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.165809] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa4f356ef33 # [ 68.173768] RDX: 000000000000001a RSI: 00007fa4f345f000 RDI: 0000000000000001 # [ 68.181727] RBP: 00007fa4f345f000 R08: 00007fa4f345e010 R09: 0000000000000000 # [ 68.189681] R10: 00007fa4f36691c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.197634] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.205599] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.221532] ---[ end trace aa8e3adb220bab61 ]--- # [ 68.226683] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 68.231058] Code: 5b 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 30 2a 71 02 # [ 68.251991] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 68.257819] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.265776] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 68.273734] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 68.281692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.289642] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8ae[ 69.449622] lkdtm: Performing direct entry DOUBLE_FAULT [ 69.460760] lkdtm: XFAIL: this test is ia32-only e03aa2000 # [ 68.297599] FS: 00007fa4f3646580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 68.306620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.313026] CR2: ffffae86c18c0000 CR3: 0000000102fe6000 CR4: 00000000003506f0 # [ 68.320984] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.330879] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1090, name: cat # [ 68.339310] INFO: lockdep is turned off. # [ 68.343678] irq event stamp: 0 # [ 68.347079] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.354072] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.363194] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.372311] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.379300] CPU: 0 PID: 1090 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 68.387932] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.394528] Call Trace: # [ 68.397260] dump_stack+0x77/0x97 # [ 68.400962] ___might_sleep.cold+0xa6/0xb6 # [ 68.405535] exit_signals+0x1c/0x2d0 # [ 68.409526] do_exit+0xd5/0xb00 # [ 68.413029] ? ksys_write+0x68/0xe0 # [ 68.416924] rewind_stack_do_exit+0x17/0x20 # [ 68.421590] RIP: 0033:0x7fa4f356ef33 # [ 68.425574] 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 # [ 68.446506] RSP: 002b:00007ffc56662e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.454941] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa4f356ef33 # [ 68.462894] RDX: 000000000000001a RSI: 00007fa4f345f000 RDI: 0000000000000001 # [ 68.470847] RBP: 00007fa4f345f000 R08: 00007fa4f345e010 R09: 0000000000000000 # [ 68.478801] R10: 00007fa4f36691c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.486754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 68.761649] lkdtm: Performing direct entry UNSET_SMEP # [ [ 69.687619] lkdtm: Performing direct entry CORRUPT_PAC 68.773282] lkdtm: trying to clear SMEP normally # [ 68.78466[ 69.694984] lkdtm: XFAIL: this test is arm64-only 2] ------------[ cut here ]------------ # [ 68.796025] pinned CR4 bits changed: 0x100000!? # [ 68.807288] WARNING: CPU: 1 PID: 1126 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 68.823682] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.845788] CPU: 1 PID: 1126 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 68.854447] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.861074] RIP: 0010:native_write_cr4+0x41/0x60 # [ 68.866249] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 76 eb c3 01 00 75 f6 48 c7 c7 00 79 a0 b9 c6 05 66 eb c3 01 01 e8 85 a7 e3 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 68.887222] RSP: 0018:ffffae86c191fe48 EFLAGS: 00010286 # [ 68.893073] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 68.907228] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 # [ 68.915202] RBP: ffffffffb9ac7e35 R08: 0000000000000000 R09: 0000000000000000 # [ 68.929350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 68.937326] R13: ffffae86c191ff10 R14: ffffae86c191ff10 R15: ffff8aee03d79000 # [ 68.945302] FS: 00007f95eb9ac580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 # [ 68.954346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.960774] CR2: 00007f95eb7c5000 CR3: 0000000102b10000 CR4: 00000000003506e0 # [ 68.968759] Call Trace: # [ 68.971519] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 68.976409] direct_entry.cold+0x2c/0x38 # [ 68.986978] full_proxy_write+0x56/0x80 # [ 68.991286] vfs_write+0xea/0x390 # [ 68.995009] ksys_write+0x68/0xe0 # [ 69.004900] do_syscall_64+0x33/0x40 # [ 69.008914] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.020739] RIP: 0033:0x7f95eb8d4f33 # [ 69.030950] 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 # [ 69.051921] RSP: 002b:00007ffc529c6868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.060394] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f95eb8d4f33 # [ 69.068377] RDX: 000000000000000b RSI: 00007f95eb7c5000 RDI: 0000000000000001 # [ 69.076356] RBP: 00007f95eb7c5000 R08: 00007f95eb7c4010 R09: 0000000000000000 # [ 69.084342] R10: 00007f95eb9cf1c0 R11: 0000000000000246 R12: 000[ 69.950544] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 0000000000001 # [ 69.092315] R13: 0000000000000001 R14: 00000[ 69.961549] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 00000020000 R15: 0000000000020000 # [ 69.100307] irq event stamp: 0 # [ 69.109902] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.123104] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.138442] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.147588] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.154630] ---[ end trace aa8e3adb220bab62 ]--- # [ 69.165985] lkdtm: ok: SMEP did not get cleared # [ 69.177241] lkdtm: trying to clear SMEP with call gadget # [ 69.183183] 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 # [ 69.449622] lkdtm: Performing direct entry DOUBLE_FAULT # [ 69.460760] 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 # [ 69.687619] lkdtm: Performing direct entry CORRUPT_PAC # [ 69.694984] 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 # [ 69.950544] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 69.961549] 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 [ 70.477121] lkdtm: Performing direct entry READ_AFTER_FREE [ 70.483282] lkdtm: Value in memory before free: 12345678 [ 70.489228] lkdtm: Attempting bad read from freed memory [ 70.495199] lkdtm: Memory was not poisoned # [ 70.477121] lkdtm: Performing direct entry READ_AFTER_FREE # [ 70.483282] lkdtm: Value in memory before free: 12345678 # [ 70.489228] lkdtm: Attempting bad read from freed memory # [ 70.495199] 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 [ 70.887197] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 70.894001] lkdtm: Value in memory before free: 12345678 [ 70.900313] lkdtm: Attempting to read from freed memory [ 70.906197] lkdtm: Buddy page was not poisoned # [ 70.887197] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 70.894001] lkdtm: Value in memory before free: 12345678 # [ 70.900313] lkdtm: Attempting to read from freed memory # [ 70.906197] 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 [ 71.160052] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 71.166338] lkdtm: Attempting double slab free ... # [ 71.160052] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 71.166338] 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 [ 71.423402] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 71.429566] lkdtm: Attempting cross-cache slab free ... # [ 71.423402] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 71.429566] 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 [ 71.669565] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 71.675635] lkdtm: Attempting non-Slab slab free ... # [ 71.669565] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 71.675635] 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 [ 72.458622] lkdtm: Performing direct entry EXEC_DATA [ 72.464207] lkdtm: attempting ok execution at ffffffffb8ab1eb0 [ 72.470740] lkdtm: attempting bad execution at ffffffffbb1c4560 [ 72.477391] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 72.485740] BUG: unable to handle page fault for address: ffffffffbb1c4560 [ 72.493407] #PF: supervisor instruction fetch in kernel mode [ 72.499718] #PF: error_code(0x0011) - permissions violation [ 72.505930] PGD 8629067 P4D 8629067 PUD 862a063 PMD 8000000009a000e3 [ 72.513130] Oops: 0011 [#5] SMP PTI [ 72.517014] CPU: 3 PID: 1633 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 72.525652] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 72.532262] RIP: 0010:data_area+0x0/0x40 [ 72.536640] Code: ff ff 00 24 29 00 ee 8a ff ff 00 23 29 00 ee 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 [ 72.557587] RSP: 0018:ffffae86c209fe48 EFLAGS: 00010246 [ 72.563419] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 72.571379] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 [ 72.579337] RBP: ffffffffbb1c4560 R08: 0000000000000000 R09: 0000000000000000 [ 72.587298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 72.595261] R13: ffffae86c209ff10 R14: ffffae86c209ff10 R15: ffff8aee03d7b000 [ 72.603222] FS: 00007f55d5aae580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 72.612247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.618655] CR2: ffffffffbb1c4560 CR3: 0000000105260000 CR4: 00000000003506e0 [ 72.626610] Call Trace: [ 72.629345] ? execute_location+0x48/0x56 [ 72.633821] ? direct_entry.cold+0x2c/0x38 [ 72.638397] ? full_proxy_write+0x56/0x80 [ 72.642874] ? vfs_write+0xea/0x390 [ 72.646765] ? ksys_write+0x68/0xe0 [ 72.650659] ? do_syscall_64+0x33/0x40 [ 72.654841] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.660666] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 72.676596] CR2: ffffffffbb1c4560 [ 72.680294] ---[ end trace aa8e3adb220bab63 ]--- [ 72.685445] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 72.689821] Code: 5b 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 30 2a 71 02 [ 72.710765] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 72.716592] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 72.724546] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 72.732501] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 72.740455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 72.748412] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 72.756366] FS: 00007f55d5aae580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 72.765387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.771790] CR2: ffffffffbb1c4560 CR3: 0000000105260000 CR4: 00000000003506e0 [ 72.779750] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 72.789639] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1633, name: cat [ 72.798075] INFO: lockdep is turned off. [ 72.802447] irq event stamp: 0 [ 72.805855] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.812851] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 72.821972] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 72.831094] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.838082] CPU: 3 PID: 1633 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 72.846716] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 72.853314] Call Trace: [ 72.856044] dump_stack+0x77/0x97 [ 72.859743] ___might_sleep.cold+0xa6/0xb6 [ 72.864314] exit_signals+0x1c/0x2d0 [ 72.868302] do_exit+0xd5/0xb00 [ 72.871806] ? ksys_write+0x68/0xe0 [ 72.875700] rewind_stack_do_exit+0x17/0x20 [ 72.880364] RIP: 0033:0x7f55d59d6f33 [ 72.884350] 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 [ 72.905279] RSP: 002b:00007ffc01132fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.913724] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f55d59d6f33 [ 72.921680] RDX: 000000000000000a RSI: 00007f55d58c7000 RDI: 0000000000000001 [ 72.929638] RBP: 00007f55d58c7000 R08: 00007f55d58c6010 R09: 0000000000000000 [ 72.937591] R10: 00007f55d5ad11c0 R11: 0000000000000246 R12: 0000000000000001 [ 72.945544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 72.458622] lkdtm: Performing direct entry EXEC_DATA # [ 72.464207] lkdtm: attempting ok execution at ffffffffb8ab1eb0 # [ 72.470740] lkdtm: attempting bad execution at ffffffffbb1c4560 # [ 72.477391] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 72.485740] BUG: unable to handle page fault for address: ffffffffbb1c4560 # [ 72.493407] #PF: supervisor instruction fetch in kernel mode # [ 72.499718] #PF: error_code(0x0011) - permissions violation # [ 72.505930] PGD 8629067 P4D 8629067 PUD 862a063 PMD 8000000009a000e3 # [ 72.513130] Oops: 0011 [#5] SMP PTI # [ 72.517014] CPU: 3 PID: 1633 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 72.525652] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.532262] RIP: 0010:data_area+0x0/0x40 # [ 72.536640] Code: ff ff 00 24 29 00 ee 8a ff ff 00 23 29 00 ee 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 # [ 72.557587] RSP: 0018:ffffae86c209fe48 EFLAGS: 00010246 # [ 72.563419] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 72.571379] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 # [ 72.579337] RBP: ffffffffbb1c4560 R08: 0000000000000000 R09: 0000000000000000 # [ 72.587298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 72.595261] R13: ffffae86c209ff10 R14: ffffae86c209ff10 R15: ffff8aee03d7b000 # [ 72.603222] FS: 00007f55d5aae580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 72.612247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.618655] CR2: ffffffffbb1c4560 CR3: 0000000105260000 CR4: 00000000003506e0 # [ 72.626610] Call Trace: # [ 72.629345] ? execute_location+0x48/0x56 # [ 72.633821] ? direct_entry.cold+0x2c/0x38 # [ 72.638397] ? full_proxy_write+0x56/0x80 # [ 72.642874] ? vfs_write+0xea/0x390 # [ 72.646765] ? ksys_write+0x68/0xe0 # [ 72.650659] ? do_syscall_64+0x33/0x40 # [ 72.654841] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 72.660666] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.676596] CR2: ffffffffbb1c4560 # [ 72.680294] ---[ end trace aa8e3adb220bab63 ]--- # [ 72.685445] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 72.689821] Code: 5b a5 ff 48 c7 c0[ 73.243518] lkdtm: Performing direct entry EXEC_STACK [ 73.252473] lkdtm: attempting ok execution at ffffffffb8ab1eb0 [ 73.259035] lkdtm: attempting bad execution at ffffae86c211fe18 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff [ 73.265675] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 73.280176] BUG: unable to handle page fault for address: ffffae86c211fe18 [ 73.287836] #PF: supervisor instruction fetch in kernel mode [ 73.294143] #PF: error_code(0x0011) - permissions violation eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 73.300356] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105390067 PTE 8000000105c10063 [ 73.315587] Oops: 0011 [#6] SMP PTI 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 72.71076[ 73.319482] CPU: 2 PID: 1669 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 73.334304] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.340909] RIP: 0010:0xffffae86c211fe18 [ 73.345281] Code: 00 00 18 fe 11 c2 86 ae ff ff ad 5d 12 b9 ff ff ff ff 20 00 00 00 00 00 00 00 5e 7f ac b9 ff ff ff ff d9 5e 12 b9 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 [ 73.366218] RSP: 0018:ffffae86c211fdf8 EFLAGS: 00010246 [ 73.372045] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.379995] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffff8aee7bd1bf70 [ 73.387950] RBP: ffffae86c211fe18 R08: 0000000000000000 R09: 0000000000000000 [ 73.395908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 73.403859] R13: ffffae86c211ff10 R14: ffffae86c211ff10 R15: ffff8aee02b2c000 [ 73.411811] FS: 00007f7eef06e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 73.420829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.427231] CR2: ffffae86c211fe18 CR3: 0000000103c4a000 CR4: 00000000003506e0 [ 73.435181] Call Trace: [ 73.437915] ? execute_location+0x48/0x56 [ 73.442387] ? lkdtm_EXEC_STACK+0x26/0x40 [ 73.446859] ? direct_entry.cold+0x2c/0x38 [ 73.451430] ? full_proxy_write+0x56/0x80 [ 73.455903] ? vfs_write+0xea/0x390 [ 73.459792] ? ksys_write+0x68/0xe0 [ 73.463684] ? do_syscall_64+0x33/0x40 [ 73.467862] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.473693] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 73.489621] CR2: ffffae86c211fe18 [ 73.493317] ---[ end trace aa8e3adb220bab64 ]--- [ 73.498466] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 73.502838] Code: 5b 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 30 2a 71 02 [ 73.523767] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 73.529592] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.537547] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 73.545498] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 73.553450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 73.561405] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 73.569356] FS: 00007f7eef06e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 73.578376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.584778] CR2: ffffae86c211fe18 CR3: 0000000103c4a000 CR4: 00000000003506e0 5] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 72.716592] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 72.724546] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 72.732501] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 72.740455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 72.748412] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 72.756366] FS: 00007f55d5aae580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 72.765387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.771790] CR2: ffffffffbb1c4560 CR3: 0000000105260000 CR4: 00000000003506e0 # [ 72.779750] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 72.789639] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1633, name: cat # [ 72.798075] INFO: lockdep is turned off. # [ 72.802447] irq event stamp: 0 # [ 72.805855] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.812851] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 72.821972] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 72.831094] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.838082] CPU: 3 PID: 1633 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 72.846716] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.853314] Call Trace: # [ 72.856044] dump_stack+0x77/0x97 # [ 72.859743] ___might_sleep.cold+0xa6/0xb6 # [ 72.864314] exit_signals+0x1c/0x2d0 # [ 72.868302] do_exit+0xd5/0xb00 # [ 72.871806] ? ksys_write+0x68/0xe0 # [ 72.875700] rewind_stack_do_exit+0x17/0x20 # [ 72.880364] RIP: 0033:0x7f55d59d6f33 # [ 72.884350] 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 # [ 72.905279] RSP: 002b:00007ffc01132fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.913724] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f55d59d6f33 # [ 72.921680] RDX: 000000000000000a RSI: 00007f55d58c7000 RDI: 0000000000000001 # [ 72.929638] RBP: 00007f55d58c7000 R08: 00007f55d58c6010 R09: 0000000000000000 # [ 72.937591] R10: 00007f55d5ad11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 72.945544] 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 # [ 73.243518] lkdtm: Performing direct entry EXEC_STACK # [ 73.252473] l[ 73.856979] lkdtm: Performing direct entry EXEC_KMALLOC [ 73.865149] lkdtm: attempting ok execution at ffffffffb8ab1eb0 [ 73.871699] lkdtm: attempting bad execution at ffff8aee04ba0700 [ 73.878345] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 73.886685] BUG: unable to handle page fault for address: ffff8aee04ba0700 [ 73.894348] #PF: supervisor instruction fetch in kernel mode [ 73.900651] #PF: error_code(0x0011) - permissions violation [ 73.906862] PGD 9c01067 P4D 9c01067 PUD 1008a0063 PMD 104a5b063 PTE 8000000104ba0163 [ 73.915513] Oops: 0011 [#7] SMP PTI [ 73.919403] CPU: 0 PID: 1705 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 73.928036] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.934635] RIP: 0010:0xffff8aee04ba0700 [ 73.939001] Code: 00 00 02 00 00 00 00 00 00 00 a0 f2 b2 04 ee 8a ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 2f b8 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 [ 73.959932] RSP: 0018:ffffae86c21bfe38 EFLAGS: 00010246 [ 73.965759] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.973711] RDX: 0000000000000000 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 [ 73.981665] RBP: ffff8aee04ba0700 R08: 0000000000000000 R09: 0000000000000000 [ 73.989612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 73.997562] R13: ffffae86c21bff10 R14: ffffae86c21bff10 R15: ffff8aee03a6d000 [ 74.005514] FS: 00007f2495162580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 74.014531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.020931] CR2: ffff8aee04ba0700 CR3: 0000000104bbe000 CR4: 00000000003506f0 [ 74.028880] Call Trace: [ 74.031617] ? execute_location+0x48/0x56 [ 74.036090] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 74.040753] ? direct_entry.cold+0x2c/0x38 [ 74.045326] ? full_proxy_write+0x56/0x80 [ 74.049801] ? vfs_write+0xea/0x390 [ 74.053689] ? ksys_write+0x68/0xe0 [ 74.057581] ? do_syscall_64+0x33/0x40 [ 74.061759] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.067580] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.083504] CR2: ffff8aee04ba0700 [ 74.087198] ---[ end trace aa8e3adb220bab65 ]--- [ 74.092342] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.096712] Code: 5b 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 30 2a 71 02 kdtm: attempting ok execution at ffffffffb8ab1eb0 # [ 73.2590[ 74.117648] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 74.129659] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.137612] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 74.145564] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 74.153517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.161471] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 74.169422] FS: 00007f2495162580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 74.178443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.184847] CR2: ffff8aee04ba0700 CR3: 0000000104bbe000 CR4: 00000000003506f0 [ 74.192806] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 74.202694] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1705, name: cat [ 74.211128] INFO: lockdep is turned off. [ 74.215494] irq event stamp: 0 [ 74.218894] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.225883] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 74.234998] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 74.244111] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.251095] CPU: 0 PID: 1705 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 74.259711] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.266307] Call Trace: [ 74.269035] dump_stack+0x77/0x97 [ 74.272732] ___might_sleep.cold+0xa6/0xb6 [ 74.277297] exit_signals+0x1c/0x2d0 [ 74.281280] do_exit+0xd5/0xb00 [ 74.284780] ? ksys_write+0x68/0xe0 [ 74.288673] rewind_stack_do_exit+0x17/0x20 [ 74.293335] RIP: 0033:0x7f249508af33 [ 74.297321] 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 [ 74.318249] RSP: 002b:00007ffeabb8b2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.326677] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f249508af33 [ 74.334627] RDX: 000000000000000d RSI: 00007f2494f7b000 RDI: 0000000000000001 [ 74.342572] RBP: 00007f2494f7b000 R08: 00007f2494f7a010 R09: 0000000000000000 [ 74.350516] R10: 00007f24951851c0 R11: 0000000000000246 R12: 0000000000000001 [ 74.358462] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 35] lkdtm: attempting bad execution at ffffae86c211fe18 # [ 73.265675] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 73.280176] BUG: unable to handle page fault for address: ffffae86c211fe18 # [ 73.287836] #PF: supervisor instruction fetch in kernel mode # [ 73.294143] #PF: error_code(0x0011) - permissions violation # [ 73.300356] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105390067 PTE 8000000105c10063 # [ 73.315587] Oops: 0011 [#6] SMP PTI # [ 73.319482] CPU: 2 PID: 1669 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 73.334304] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.340909] RIP: 0010:0xffffae86c211fe18 # [ 73.345281] Code: 00 00 18 fe 11 c2 86 ae ff ff ad 5d 12 b9 ff ff ff ff 20 00 00 00 00 00 00 00 5e 7f ac b9 ff ff ff ff d9 5e 12 b9 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 # [ 73.366218] RSP: 0018:ffffae86c211fdf8 EFLAGS: 00010246 # [ 73.372045] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 73.379995] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffff8aee7bd1bf70 # [ 73.387950] RBP: ffffae86c211fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 73.395908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 73.403859] R13: ffffae86c211ff10 R14: ffffae86c211ff10 R15: ffff8aee02b2c000 # [ 73.411811] FS: 00007f7eef06e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 73.420829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.427231] CR2: ffffae86c211fe18 CR3: 0000000103c4a000 CR4: 00000000003506e0 # [ 73.435181] Call Trace: # [ 73.437915] ? execute_location+0x48/0x56 # [ 73.442387] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 73.446859] ? direct_entry.cold+0x2c/0x38 # [ 73.451430] ? full_proxy_write+0x56/0x80 # [ 73.455903] ? vfs_write+0xea/0x390 # [ 73.459792] ? ksys_write+0x68/0xe0 # [ 73.463684] ? do_syscall_64+0x33/0x40 # [ 73.467862] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 73.473693] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.489621] CR2: ffffae86c211fe18 # [ 73.493317] ---[ end trace aa8e3adb220bab64 ]--- # [ 73.498466] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 73.502838] Code: 5b 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 30 2a 71 02 # [ 73.523767] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 73.529592] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 73.537547] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 73.545498] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 73.553450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 73.561405] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 73.569356] FS: 00007f7eef06e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 73.578376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.584778] CR2: ffffae86c211fe18 CR3: 0000000103c4a000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 73.8569[ 74.696035] lkdtm: Performing direct entry EXEC_VMALLOC 79] lkdtm: Performing direct entry EXEC_KMALLOC # [ 73.865149[ 74.707200] lkdtm: attempting ok execution at ffffffffb8ab1eb0 ] lkdtm: attempting ok execution at ffffffffb8ab1eb0 # [ 73.8[ 74.719982] lkdtm: attempting bad execution at ffffae86c06e7000 71699] lkdtm: attempting bad execution at ffff8aee04ba0700 # [ [ 74.732754] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.747230] BUG: unable to handle page fault for address: ffffae86c06e7000 [ 74.754894] #PF: supervisor instruction fetch in kernel mode [ 74.761202] #PF: error_code(0x0011) - permissions violation [ 74.767412] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1051c6067 PTE 8000000105df7063 [ 74.776450] Oops: 0011 [#8] SMP PTI [ 74.780339] CPU: 3 PID: 1741 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 74.788968] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.795569] RIP: 0010:0xffffae86c06e7000 [ 74.799944] Code: Unable to access opcode bytes at RIP 0xffffae86c06e6fd6. [ 74.807607] RSP: 0018:ffffae86c2257e38 EFLAGS: 00010246 [ 74.813432] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.821379] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 [ 74.829326] RBP: ffffae86c06e7000 R08: 0000000000000000 R09: 0000000000000000 [ 74.837275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 74.845225] R13: ffffae86c2257f10 R14: ffffae86c2257f10 R15: ffff8aee05df7000 [ 74.853179] FS: 00007f94a6da2580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 74.862197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.868598] CR2: ffffae86c06e6fd6 CR3: 0000000103db2000 CR4: 00000000003506e0 [ 74.876551] Call Trace: [ 74.879287] ? execute_location+0x48/0x56 [ 74.883760] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 74.888424] ? direct_entry.cold+0x2c/0x38 [ 74.892996] ? full_proxy_write+0x56/0x80 [ 74.897466] ? vfs_write+0xea/0x390 [ 74.901357] ? ksys_write+0x68/0xe0 [ 74.905249] ? do_syscall_64+0x33/0x40 [ 74.909430] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.915262] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.931190] CR2: ffffae86c06e7000 [ 74.934885] ---[ end trace aa8e3adb220bab66 ]--- [ 74.940036] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.944408] Code: 5b 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 30 2a 71 02 [ 74.965339] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 74.971162] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.979118] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 74.987068] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 74.995023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.002977] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 75.010936] FS: 00007f94a6da2580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 75.019955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.026363] CR2: ffffae86c06e6fd6 CR3: 0000000103db2000 CR4: 00000000003506e0 73.878345] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 73.886685] BUG: unable to handle page fault for address: ffff8aee04ba0700 # [ 73.894348] #PF: supervisor instruction fetch in kernel mode # [ 73.900651] #PF: error_code(0x0011) - permissions violation # [ 73.906862] PGD 9c01067 P4D 9c01067 PUD 1008a0063 PMD 104a5b063 PTE 8000000104ba0163 # [ 73.915513] Oops: 0011 [#7] SMP PTI # [ 73.919403] CPU: 0 PID: 1705 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 73.928036] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.934635] RIP: 0010:0xffff8aee04ba0700 # [ 73.939001] Code: 00 00 02 00 00 00 00 00 00 00 a0 f2 b2 04 ee 8a ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 2f b8 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 # [ 73.959932] RSP: 0018:ffffae86c21bfe38 EFLAGS: 00010246 # [ 73.965759] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 73.973711] RDX: 0000000000000000 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 # [ 73.981665] RBP: ffff8aee04ba0700 R08: 0000000000000000 R09: 0000000000000000 # [ 73.989612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 73.997562] R13: ffffae86c21bff10 R14: ffffae86c21bff10 R15: ffff8aee03a6d000 # [ 74.005514] FS: 00007f2495162580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 74.014531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.020931] CR2: ffff8aee04ba0700 CR3: 0000000104bbe000 CR4: 00000000003506f0 # [ 74.028880] Call Trace: # [ 74.031617] ? execute_location+0x48/0x56 # [ 74.036090] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 74.040753] ? direct_entry.cold+0x2c/0x38 # [ 74.045326] ? full_proxy_write+0x56/0x80 # [ 74.049801] ? vfs_write+0xea/0x390 # [ 74.053689] ? ksys_write+0x68/0xe0 # [ 74.057581] ? do_syscall_64+0x33/0x40 # [ 74.061759] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 74.067580] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.083504] CR2: ffff8aee04ba0700 # [ 74.087198] ---[ end trace aa8e3adb220bab65 ]--- # [ 74.092342] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.096712] Code: 5b 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 30 2a 71 02 # [ 74.117648] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 74.129659] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.137612] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 74.145564] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 74.153517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.161471] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000[ 75.322021] lkdtm: Performing direct entry EXEC_RODATA [ 75.331559] lkdtm: attempting ok execution at ffffffffb8ab1eb0 [ 75.338102] lkdtm: attempting bad execution at ffffffffb96d9f00 [ 75.344749] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.353097] BUG: unable to handle page fault for address: ffffffffb96d9f00 [ 75.360769] #PF: supervisor instruction fetch in kernel mode [ 75.367075] #PF: error_code(0x0011) - permissions violation [ 75.373284] PGD 8629067 P4D 8629067 PUD 862a063 PMD 80000000080001e1 [ 75.380479] Oops: 0011 [#9] SMP PTI [ 75.384369] CPU: 2 PID: 1777 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 75.392998] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.399603] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 75.405334] Code: ff ff d9 72 12 b9 ff ff ff ff aa 81 ac b9 ff ff ff ff 8f 5a 12 b9 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 [ 75.426257] RSP: 0018:ffffae86c22e7e48 EFLAGS: 00010246 [ 75.432081] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 75.440037] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffff8aee7bd1bf70 [ 75.447992] RBP: ffffffffb96d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 75.455945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 75.463896] R13: ffffae86c22e7f10 R14: ffffae86c22e7f10 R15: ffff8aee03b99000 [ 75.471853] FS: 00007f975dd9e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 75.480875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.487280] CR2: ffffffffb96d9f00 CR3: 0000000104b3e000 CR4: 00000000003506e0 [ 75.495232] Call Trace: [ 75.497966] ? execute_location+0x48/0x56 [ 75.502439] ? direct_entry.cold+0x2c/0x38 [ 75.507014] ? full_proxy_write+0x56/0x80 [ 75.511489] ? vfs_write+0xea/0x390 [ 75.515380] ? ksys_write+0x68/0xe0 [ 75.519271] ? do_syscall_64+0x33/0x40 [ 75.523454] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.529289] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.545226] CR2: ffffffffb96d9f00 [ 75.548923] ---[ end trace aa8e3adb220bab67 ]--- [ 75.554076] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.558447] Code: 5b 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 30 2a 71 02 [ 75.579377] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 75.585201] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.593155] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 75.601113] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 75.609068] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.617020] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 75.624977] FS: 00007f975dd9e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 75.634000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.640407] CR2: ffffffffb96d9f00 CR3: 0000000104b3e000 CR4: 00000000003506e0 [ 75.648368] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.658260] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1777, name: cat [ 75.666698] INFO: lockdep is turned off. [ 75.671068] irq event stamp: 0 [ 75.674474] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.681470] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 75.690591] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 75.699706] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.706698] CPU: 2 PID: 1777 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 75.715335] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.721929] Call Trace: [ 75.724660] dump_stack+0x77/0x97 [ 75.728358] ___might_sleep.cold+0xa6/0xb6 [ 75.732923] exit_signals+0x1c/0x2d0 [ 75.736901] do_exit+0xd5/0xb00 [ 75.740399] ? ksys_write+0x68/0xe0 [ 75.744291] rewind_stack_do_exit+0x17/0x20 [ 75.748955] RIP: 0033:0x7f975dcc6f33 [ 75.752940] 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 [ 75.773882] RSP: 002b:00007ffcb07373c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.782325] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f975dcc6f33 [ 75.790279] RDX: 000000000000000c RSI: 00007f975dbb7000 RDI: 0000000000000001 [ 75.798232] RBP: 00007f975dbb7000 R08: 00007f975dbb6010 R09: 0000000000000000 [ 75.806186] R10: 00007f975ddc11c0 R11: 0000000000000246 R12: 0000000000000001 [ 75.814145] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.169422] FS: 00007f2495162580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 74.178443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.184847] CR2: ffff8aee04ba0700 CR3: 0000000104bbe000 CR4: 00000000003506f0 # [ 74.192806] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 74.202694] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1705, name: cat # [ 74.211128] INFO: lockdep is turned off. # [ 74.215494] irq event stamp: 0 # [ 74.218894] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.225883] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 74.234998] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 74.244111] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.251095] CPU: 0 PID: 1705 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 74.259711] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.266307] Call Trace: # [ 74.269035] dump_stack+0x77/0x97 # [ 74.272732] ___might_sleep.cold+0xa6/0xb6 # [ 74.277297] exit_signals+0x1c/0x2d0 # [ 74.281280] do_exit+0xd5/0xb00 # [ 74.284780] ? ksys_write+0x68/0xe0 # [ 74.288673] rewind_stack_do_exit+0x17/0x20 # [ 74.293335] RIP: 0033:0x7f249508af33 # [ 74.297321] 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 # [ 74.318249] RSP: 002b:00007ffeabb8b2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.326677] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f249508af33 # [ 74.334627] RDX: 000000000000000d RSI: 00007f2494f7b000 RDI: 0000000000000001 # [ 74.342572] RBP: 00007f2494f7b000 R08: 00007f2494f7a010 R09: 0000000000000000 # [ 74.350516] R10: 00007f24951851c0 R11: 0000000000000246 R12: 0000000000000001 # [ 74.358462] 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 # [ 74.696035] lkdtm: Performing direct entry EXEC_VMALLOC # [ 74.707200] lkdtm: attempting ok execution at ffffffffb8ab1eb0 # [ 74.719982] lkdtm: attempting bad execution at ffffae86c06e7000 # [ 74.732754] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.747230] BUG: unable to handle page fault for address: ffffae86c06e7000 # [ 74.754894] #PF: supervisor instruction fetch in kernel mode # [ 74.761202] #PF: error_code(0x0011) - permissions violation # [ 74.767412] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1051c6067 PTE 8000000105df7063 # [ 74.776450] Oops: 0011 [#8] SMP PTI # [ 74.780339] CPU: 3 PID: 1741 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 74.788968] Hardware name: Google Coral/Coral, BIOS 09/[ 76.107909] lkdtm: Performing direct entry EXEC_USERSPACE 29/2020 # [ 74.795569] RIP: 0010:0xffffae86c06e7000 # [ 74[ 76.119692] lkdtm: attempting ok execution at ffffffffb8ab1eb0 .799944] Code: Unable to access opcode bytes at RIP 0xffffae86c0[ 76.132487] lkdtm: attempting bad execution at 00007f160fa41000 6e6fd6. # [ 74.807607] RSP: 0018:ffffae86c2257e38 EFLAGS: 000[ 76.145656] unable to execute userspace code (SMEP?) (uid: 0) [ 76.157771] BUG: unable to handle page fault for address: 00007f160fa41000 [ 76.165432] #PF: supervisor instruction fetch in kernel mode [ 76.171735] #PF: error_code(0x0011) - permissions violation [ 76.177941] PGD 8000000103b71067 P4D 8000000103b71067 PUD 103b70067 PMD 104320067 PTE 10a7ef067 [ 76.187651] Oops: 0011 [#10] SMP PTI [ 76.191634] CPU: 3 PID: 1813 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 76.200258] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.206859] RIP: 0010:0x7f160fa41000 [ 76.210841] Code: Unable to access opcode bytes at RIP 0x7f160fa40fd6. [ 76.218113] RSP: 0018:ffffae86c236fe50 EFLAGS: 00010246 [ 76.223939] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 76.231895] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 [ 76.239849] RBP: 00007f160fa41000 R08: 0000000000000000 R09: 0000000000000000 [ 76.247801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 76.255754] R13: ffffae86c236ff10 R14: ffffae86c236ff10 R15: ffff8aee05216000 [ 76.263705] FS: 00007f160fa12580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 76.272722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.279122] CR2: 00007f160fa41000 CR3: 0000000102af6000 CR4: 00000000003506e0 [ 76.287076] Call Trace: [ 76.289813] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 76.295156] ? direct_entry.cold+0x2c/0x38 [ 76.299718] ? full_proxy_write+0x56/0x80 [ 76.304189] ? vfs_write+0xea/0x390 [ 76.308077] ? ksys_write+0x68/0xe0 [ 76.311970] ? do_syscall_64+0x33/0x40 [ 76.316150] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.321973] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.337891] CR2: 00007f160fa41000 [ 76.341584] ---[ end trace aa8e3adb220bab68 ]--- [ 76.346719] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.351087] Code: 5b 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 30 2a 71 02 [ 76.372008] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 76.377829] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.385777] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 76.393725] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 76.401676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.409630] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 76.417583] FS: 00007f160fa12580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 76.426600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.433007] CR2: 00007f160fa41000 CR3: 0000000102af6000 CR4: 00000000003506e0 [ 76.440962] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 76.450853] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1813, name: cat [ 76.459288] INFO: lockdep is turned off. [ 76.463656] irq event stamp: 0 [ 76.467058] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 76.474047] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 76.483161] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 76.492269] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 76.499251] CPU: 3 PID: 1813 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 76.507875] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.514467] Call Trace: [ 76.517200] dump_stack+0x77/0x97 [ 76.520897] ___might_sleep.cold+0xa6/0xb6 [ 76.525465] exit_signals+0x1c/0x2d0 [ 76.529450] do_exit+0xd5/0xb00 [ 76.532952] ? ksys_write+0x68/0xe0 [ 76.536834] rewind_stack_do_exit+0x17/0x20 [ 76.541494] RIP: 0033:0x7f160f93af33 [ 76.545477] 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 [ 76.566389] RSP: 002b:00007fff1ab15148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.574826] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f160f93af33 [ 76.582774] RDX: 000000000000000f RSI: 00007f160f82b000 RDI: 0000000000000001 [ 76.590723] RBP: 00007f160f82b000 R08: 00007f160f82a010 R09: 0000000000000000 [ 76.598668] R10: 00007f160fa351c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.606618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 10246 # [ 74.813432] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.821379] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 # [ 74.829326] RBP: ffffae86c06e7000 R08: 0000000000000000 R09: 0000000000000000 # [ 74.837275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 74.845225] R13: ffffae86c2257f10 R14: ffffae86c2257f10 R15: ffff8aee05df7000 # [ 74.853179] FS: 00007f94a6da2580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 74.862197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.868598] CR2: ffffae86c06e6fd6 CR3: 0000000103db2000 CR4: 00000000003506e0 # [ 74.876551] Call Trace: # [ 74.879287] ? execute_location+0x48/0x56 # [ 74.883760] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 74.888424] ? direct_entry.cold+0x2c/0x38 # [ 74.892996] ? full_proxy_write+0x56/0x80 # [ 74.897466] ? vfs_write+0xea/0x390 # [ 74.901357] ? ksys_write+0x68/0xe0 # [ 74.905249] ? do_syscall_64+0x33/0x40 # [ 74.909430] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 74.915262] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.931190] CR2: ffffae86c06e7000 # [ 74.934885] ---[ end trace aa8e3adb220bab66 ]--- # [ 74.940036] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.944408] Code: 5b 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 30 2a 71 02 # [ 74.965339] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 74.971162] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.979118] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 74.987068] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 74.995023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.002977] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 75.010936] FS: 00007f94a6da2580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 75.019955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.026363] CR2: ffffae86c06e6fd6 CR3: 0000000103db2000 CR4: 00000000003506e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 75.322021] lkdtm: Performing direct entry EXEC_RODATA # [ 75.331559] lkdtm: attempting ok execution at ffffffffb8ab1eb0 # [ 75.338102] lkdtm: attempting bad execution at ffffffffb96d9f00 # [ 75.344749] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.353097] BUG: unable to handle page fault for address: ffffffffb96d9f00 # [ 75.360769] #PF: supervisor instruction fetch in kernel mode # [ 75.367075] #PF: error_code(0x0011) - permissions violation # [ 75.373284] PGD 8629067 P4D 8629067 PUD 862a063 PMD 80000000080001e1 # [ 75.380479] Oops: 0011 [#9] SMP PTI # [ 75.384369] CPU: 2 PID: 1777 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 75.392998] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.399603] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 75.405334] Code: ff ff d9 72 12 b9 ff ff ff ff aa 81 ac b9 ff ff ff ff 8f 5a 12 b9 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[ 76.951296] lkdtm: Performing direct entry EXEC_NULL [ 76.961005] lkdtm: attempting ok execution at ffffffffb8ab1eb0 [ 76.967553] lkdtm: attempting bad execution at 0000000000000000 73 20 69 # [ 75.426257] RSP: 0018:ffffae86c22e7e48 EFLAGS: 0[ 76.974198] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 76.988111] #PF: supervisor instruction fetch in kernel mode [ 76.994413] #PF: error_code(0x0010) - not-present page 0010246 # [ 75.432081] RAX: 0000000000000033 RBX: 00000000000[ 77.000135] PGD 0 P4D 0 [ 77.009157] Oops: 0010 [#11] SMP PTI 00000 RCX: 0000000000000000 # [ 75.440037] RDX: 0000000000000[ 77.013145] CPU: 2 PID: 1849 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 77.027959] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00[0 RSI: ffff8aee7bd1bf70 RDI: ffff8aee7bd1bf70 # [ 75.447992 77.034563] RIP: 0010:0x0 [ 77.043682] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 77.051345] RSP: 0018:ffffae86c23dfe48 EFLAGS: 00010246 [ 77.057165] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.065113] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffff8aee7bd1bf70 [ 77.073062] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 77.081010] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 77.088956] R13: ffffae86c23dff10 R14: ffffae86c23dff10 R15: ffff8aee03bb0000 [ 77.096904] FS: 00007f373dea8580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 77.105917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.112312] CR2: ffffffffffffffd6 CR3: 0000000103b70000 CR4: 00000000003506e0 [ 77.120258] Call Trace: [ 77.122991] execute_location+0x48/0x56 [ 77.127271] direct_entry.cold+0x2c/0x38 [ 77.131652] full_proxy_write+0x56/0x80 [ 77.135931] vfs_write+0xea/0x390 [ 77.139627] ksys_write+0x68/0xe0 [ 77.143324] do_syscall_64+0x33/0x40 [ 77.147309] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.152937] RIP: 0033:0x7f373ddd0f33 [ 77.156923] 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 [ 77.177848] RSP: 002b:00007ffecf261068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.186280] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f373ddd0f33 [ 77.194228] RDX: 000000000000000a RSI: 00007f373dcc1000 RDI: 0000000000000001 [ 77.202180] RBP: 00007f373dcc1000 R08: 00007f373dcc0010 R09: 0000000000000000 [ 77.210128] R10: 00007f373decb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.218072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 77.226028] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.241945] CR2: 0000000000000000 [ 77.245641] ---[ end trace aa8e3adb220bab69 ]--- [ 77.250787] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.255157] Code: 5b 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 30 2a 71 02 [ 77.276074] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 77.281894] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.289843] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 77.297792] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 77.305744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.313694] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 77.321644] FS: 00007f373dea8580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 [ 77.330656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.337054] CR2: ffffffffffffffd6 CR3: 0000000103b70000 CR4: 00000000003506e0 ] RBP: ffffffffb96d9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 75.455945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 75.463896] R13: ffffae86c22e7f10 R14: ffffae86c22e7f10 R15: ffff8aee03b99000 # [ 75.471853] FS: 00007f975dd9e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 75.480875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.487280] CR2: ffffffffb96d9f00 CR3: 0000000104b3e000 CR4: 00000000003506e0 # [ 75.495232] Call Trace: # [ 75.497966] ? execute_location+0x48/0x56 # [ 75.502439] ? direct_entry.cold+0x2c/0x38 # [ 75.507014] ? full_proxy_write+0x56/0x80 # [ 75.511489] ? vfs_write+0xea/0x390 # [ 75.515380] ? ksys_write+0x68/0xe0 # [ 75.519271] ? do_syscall_64+0x33/0x40 # [ 75.523454] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.529289] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.545226] CR2: ffffffffb96d9f00 # [ 75.548923] ---[ end trace aa8e3adb220bab67 ]--- # [ 75.554076] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.558447] Code: 5b 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 30 2a 71 02 # [ 75.579377] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 75.585201] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.593155] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 75.601113] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 75.609068] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.617020] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 75.624977] FS: 00007f975dd9e580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 75.634000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.640407] CR2: ffffffffb96d9f00 CR3: 0000000104b3e000 CR4: 00000000003506e0 # [ 75.648368] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.658260] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1777, name: cat # [ 75.666698] INFO: lockdep is turned off. # [ 75.671068] irq event stamp: 0 # [ 75.674474] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.681470] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.690591] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.699706] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.706698] CPU: 2 PID: 1777 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [[ 77.612380] lkdtm: Performing direct entry ACCESS_USERSPACE 75.715335] Hardware name: Google Coral/Coral, BIOS 09/29/202[ 77.623992] lkdtm: attempting bad read at 00007f710e850000 0 # [ 75.721929] Call Trace: # [ 75.724660] dump_stack+0x[ 77.636356] BUG: unable to handle page fault for address: 00007f710e850000 [ 77.650184] #PF: supervisor read access in kernel mode [ 77.655911] #PF: error_code(0x0001) - permissions violation [ 77.662119] PGD 8000000103d6c067 P4D 8000000103d6c067 PUD 103f9c067 PMD 104aeb067 PTE 1142e9067 [ 77.671836] Oops: 0001 [#12] SMP PTI [ 77.675825] CPU: 1 PID: 1884 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 77.684454] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.691060] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 77.697264] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 c8 8e ac b9 e8 73 9d fd ff 48 c7 c7 f0 8e ac b9 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 18 8f ac [ 77.718177] RSP: 0018:ffffae86c2477e48 EFLAGS: 00010246 [ 77.723999] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 77.731945] RDX: 0000000000000000 RSI: ffff8aee7bc9bf70 RDI: ffffffffb9ac8ef0 [ 77.739892] RBP: 00007f710e850000 R08: 0000000000000000 R09: 0000000000000000 [ 77.747841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 77.755793] R13: ffffae86c2477f10 R14: ffffae86c2477f10 R15: ffff8aee032c6000 [ 77.763748] FS: 00007f710e821580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 [ 77.772766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.779169] CR2: 00007f710e850000 CR3: 0000000105386000 CR4: 00000000003506e0 [ 77.787117] Call Trace: [77/ 0x97 # [ 75.728358] ___might_sleep.cold+0xa6/0xb6 # [ 77.789849] direct_entry.cold+0x2c/0x38 [ 77.800325] full_proxy_write+0x56/0x80 [ 77.804602] vfs_write+0xea/0x390 [ 77.808298] ksys_write+0x68/0xe0 [ 77.811987] do_syscall_64+0x33/0x40 [ 77.815969] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.821600] RIP: 0033:0x7f710e749f33 [ 77.825586] 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 [ 77.846505] RSP: 002b:00007ffcf7edb198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.854939] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f710e749f33 [ 77.862885] RDX: 0000000000000011 RSI: 00007f710e63a000 RDI: 0000000000000001 [ 77.870833] RBP: 00007f710e63a000 R08: 00007f710e639010 R09: 0000000000000000 [ 77.878785] R10: 00007f710e8441c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.886732] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 75.732923] exit_signals+0x1c/0x2d0 # [ 75.736901] do_exit+0[ 77.894689] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.916765] CR2: 00007f710e850000 [ 77.920460] ---[ end trace aa8e3adb220bab6a ]--- [ 77.925608] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.929976] Code: 5b 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 30 2a 71 02 [ 77.950891] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 77.956711] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.964655] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 77.972597] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 77.980540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.988487] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 77.996433] FS: 00007f710e821580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 [ 78.005440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.011839] CR2: 00007f710e850000 CR3: 0000000105386000 CR4: 00000000003506e0 [ 78.019793] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.029673] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1884, name: cat [ 78.038102] INFO: lockdep is turned off. [ 78.042466] irq event stamp: 0 [ 78.045863] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.052848] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 78.061961] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 78.071069] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.078054] CPU: 1 PID: 1884 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 78.086674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.093264] Call Trace: [ 78.095994] dump_stack+0x77/0x97 [ 78.099692] ___might_sleep.cold+0xa6/0xb6 [ 78.104260] exit_signals+0x1c/0x2d0 [ 78.108234] do_exit+0xd5/0xb00 [ 78.111735] ? ksys_write+0x68/0xe0 [ 78.115625] rewind_stack_do_exit+0x17/0x20 [ 78.120283] RIP: 0033:0x7f710e749f33 [ 78.124265] 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 [ 78.145187] RSP: 002b:00007ffcf7edb198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.153622] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f710e749f33 [ 78.161571] RDX: 0000000000000011 RSI: 00007f710e63a000 RDI: 0000000000000001 [ 78.169517] RBP: 00007f710e63a000 R08: 00007f710e639010 R09: 0000000000000000 [ 78.177461] R10: 00007f710e8441c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.185410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 xd5/0xb00 # [ 75.740399] ? ksys_write+0x68/0xe0 # [ 75.744291] rewind_stack_do_exit+0x17/0x20 # [ 75.748955] RIP: 0033:0x7f975dcc6f33 # [ 75.752940] 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 # [ 75.773882] RSP: 002b:00007ffcb07373c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.782325] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f975dcc6f33 # [ 75.790279] RDX: 000000000000000c RSI: 00007f975dbb7000 RDI: 0000000000000001 # [ 75.798232] RBP: 00007f975dbb7000 R08: 00007f975dbb6010 R09: 0000000000000000 # [ 75.806186] R10: 00007f975ddc11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 75.814145] 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 # [ 76.107909] lkdtm: Performing direct entry EXEC_USERSPACE # [ 76.119692] lkdtm: attempting ok execution at ffffffffb8ab1eb0 # [ 76.132487] lkdtm: attempting bad execution at 00007f160fa41000 # [ 76.145656] unable to execute userspace code (SMEP?) (uid: 0) # [ 76.157771] BUG: unable to handle page fault for address: 00007f160fa41000 # [ 76.165432] #PF: supervisor instruction fetch in kernel mode # [ 76.171735] #PF: error_code(0x0011) - permissions violation # [ 76.177941] PGD 8000000103b71067 P4D 8000000103b71067 PUD 103b70067 PMD 104320067 PTE 10a7ef067 # [ 76.187651] Oops: 0011 [#10] SMP PTI # [ 76.191634] CPU: 3 PID: 1813 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 76.200258] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.206859] RIP: 0010:0x7f160fa41000 # [ 76.210841] Code: Unable to access opcode bytes at RIP 0x7f160fa40fd6. # [ 76.218113] RSP: 0018:ffffae86c236fe50 EFLAGS: 00010246 # [ 76.223939] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 76.231895] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 # [ 76.239849] RBP: 00007f160fa41000 R08: 0000000000000000 R09: 0000000000000000 # [ 76.247801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 76.255754] R13: ffffae86c236ff10 R14: ffffae86c236ff10 R15: ffff8aee05216000 # [ 76.263705] FS: 00007f160fa12580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 76.272722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.279122] CR2: 00007f160fa41000 CR3: 0000000102af6000 CR4: 00000000003506e0 # [ 76.287076] Call Trace: # [ 76.289813] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 76.295156] ? direct_entry.cold+0x2c/0x38 # [ 76.299718] ? full_proxy_write+0x56/0x80 # [ 76.304189] ? vfs_write+0xea/0x390 # [ 76.308077] ? ksys_write+0x68/0xe0 # [ 76.311970] ? do_syscall_64+0x33/0x40 # [ 76.316150] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 76.321973] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.337891] CR[ 78.497961] lkdtm: Performing direct entry ACCESS_NULL 2: 00007f160fa41000 # [ 76.341584] ---[ end trace aa8e3adb220[ 78.509016] lkdtm: attempting bad read at 0000000000000000 bab68 ]--- # [ 76.346719] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 78.521343] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.535257] #PF: supervisor read access in kernel mode [ 78.540984] #PF: error_code(0x0000) - not-present page [ 78.546710] PGD 0 P4D 0 [ 78.549543] Oops: 0000 [#13] SMP PTI [ 78.553524] CPU: 3 PID: 1919 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 78.562159] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.568769] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 78.574019] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 eb 3c ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 c8 8e ac b9 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f0 8e ac b9 48 01 [ 78.594951] RSP: 0018:ffffae86c24ffe58 EFLAGS: 00010246 [ 78.600780] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 78.608737] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 [ 78.616692] RBP: ffffffffb9ac7fb9 R08: 0000000000000000 R09: 0000000000000000 [ 78.624649] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 78.632607] R13: ffffae86c24fff10 R14: ffffae86c24fff10 R15: ffff8aee013ed000 [ 78.640566] FS: 00007f7232098580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 78.649590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.655995] CR2: 0000000000000000 CR3: 0000000105326000 CR4: 00000000003506e0 [ 78.663946] Call Trace: [ 78.666680] direct_entry.cold+0x2c/0x38 [ 78.671059] full_proxy_write+0x56/0x80 [ 78.675342] vfs_write+0xea/0x390 [ 78.679041] ksys_write+0x68/0xe0 [ 78.682743] do_syscall_64+0x33/0x40 [ 78.686731] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.692366] RIP: 0033:0x7f7231fc0f33 [ 78.696352] 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 [ 78.717292] RSP: 002b:00007ffc50571388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.725735] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7231fc0f33 [ 78.733691] RDX: 000000000000000c RSI: 00007f7231eb1000 RDI: 0000000000000001 [ 78.741649] RBP: 00007f7231eb1000 R08: 00007f7231eb0010 R09: 0000000000000000 [ 78.749606] R10: 00007f72320bb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.757563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 78.765529] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.781459] CR2: 0000000000000000 [ 78.785154] ---[ end trace aa8e3adb220bab6b ]--- [ 78.790297] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.794669] Code: 5b 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 30 2a 71 02 [ 78.815601] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 78.821430] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.829381] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 78.837333] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 78.845287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.853240] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 78.861197] FS: 00007f7232098580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 78.870217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.876624] CR2: 0000000000000000 CR3: 0000000105326000 CR4: 00000000003506e0 [ 78.884578] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.894470] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1919, name: cat [ 78.902904] INFO: lockdep is turned off. [ 78.907273] irq event stamp: 0 [ 78.910676] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.917668] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 78.926786] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 78.935900] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.942885] CPU: 3 PID: 1919 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 78.951515] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.958112] Call Trace: [ 78.960842] dump_stack+0x77/0x97 [ 78.964539] ___might_sleep.cold+0xa6/0xb6 [ 78.969108] exit_signals+0x1c/0x2d0 [ 78.973093] do_exit+0xd5/0xb00 [ 78.976588] ? ksys_write+0x68/0xe0 [ 78.980480] rewind_stack_do_exit+0x17/0x20 [ 78.985140] RIP: 0033:0x7f7231fc0f33 [ 78.989126] 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 [ 79.010053] RSP: 002b:00007ffc50571388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.018494] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7231fc0f33 [ 79.026442] RDX: 000000000000000c RSI: 00007f7231eb1000 RDI: 0000000000000001 [ 79.034389] RBP: 00007f7231eb1000 R08: 00007f7231eb0010 R09: 0000000000000000 [ 79.042336] R10: 00007f72320bb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.050285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 76.351087] Code: 5b 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 30 2a 71 02 # [ 76.372008] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 76.377829] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.385777] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 76.393725] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 76.401676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.409630] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 76.417583] FS: 00007f160fa12580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 76.426600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.433007] CR2: 00007f160fa41000 CR3: 0000000102af6000 CR4: 00000000003506e0 # [ 76.440962] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 76.450853] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1813, name: cat # [ 76.459288] INFO: lockdep is turned off. # [ 76.463656] irq event stamp: 0 # [ 76.467058] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.474047] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 76.483161] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 76.492269] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.499251] CPU: 3 PID: 1813 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 76.507875] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.514467] Call Trace: # [ 76.517200] dump_stack+0x77/0x97 # [ 76.520897] ___might_sleep.cold+0xa6/0xb6 # [ 76.525465] exit_signals+0x1c/0x2d0 # [ 76.529450] do_exit+0xd5/0xb00 # [ 76.532952] ? ksys_write+0x68/0xe0 # [ 76.536834] rewind_stack_do_exit+0x17/0x20 # [ 76.541494] RIP: 0033:0x7f160f93af33 # [ 76.545477] 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 # [ 76.566389] RSP: 002b:00007fff1ab15148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.574826] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f160f93af33 # [ 76.582774] RDX: 000000000000000f RSI: 00007f160f82b000 RDI: 0000000000000001 # [ 76.590723] RBP: 00007f160f82b000 R08: 00007f160f82a010 R09: 0000000000000000 # [ 76.598668] R10: 00007f160fa351c0 R11: 0000000000000246 R12: 0000000000000001 # [ 76.606618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 76.951296] lkdtm: Performing direct entry EXEC_NULL # [ 76.961005] lkdtm: attempting ok execution at ffffffffb8ab1eb0 # [ 76.967553] lkdtm: attempting bad execution at 0000000000000000 # [ 76.974198] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 76.988111] #PF: supervisor instruction fetch in kernel mode # [ 76.994413] #PF: error_code(0x0010) - not-present page # [ 77.000135] PGD 0 P4D 0 # [ 77.009157] Oops: 0010 [#11] SMP PTI # [ 77.013145] CPU: 2 PID: 1849 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 77.027959] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.034563] RIP: 0010:0x0 # [ 77.043682] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 77.051345] RSP: 0018:ffffae86c23dfe48 EFLAGS: 00010246 # [ 77.057165] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 77.065113] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffff8aee7bd1bf70 # [ 77.073062] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.081010] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 77.088956] R13: ffffae86c23dff10 R14: ffffae86c23dff10 R15: ffff8aee03bb0000 # [ 77.096[ 79.457837] lkdtm: Performing direct entry WRITE_RO 904] FS: 00007f373dea8580(0000) GS:ffff8aee7bd00000(0000) knlGS[ 79.466568] lkdtm: attempting bad rodata write at ffffffffb96d9ef0 :0000000000000000 # [ 77.105917] CS: 0010 DS: 0000 ES: 0000 [ 79.479656] BUG: unable to handle page fault for address: ffffffffb96d9ef0 [ 79.493474] #PF: supervisor write access in kernel mode [ 79.499289] #PF: error_code(0x0003) - permissions violation [ 79.505500] PGD 8629067 P4D 8629067 PUD 862a063 PMD 80000000080001e1 [ 79.512696] Oops: 0003 [#14] SMP PTI [ 79.516681] CPU: 3 PID: 1954 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 79.525309] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.531913] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 79.536869] Code: 00 48 c7 c7 a8 8d ac b9 48 c7 c6 f0 9e 6d b9 e8 93 9f fd ff 48 8b 05 16 41 5b 00 ba 34 12 cd ab 48 c7 c7 d8 8d ac b9 48 31 d0 <48> 89 05 00 41 5b 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 f5 [ 79.557791] RSP: 0018:ffffae86c257fe60 EFLAGS: 00010202 [ 79.563618] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 79.571575] RDX: 00000000abcd1234 RSI: ffff8aee7bd9bf70 RDI: ffffffffb9ac8dd8 [ 79.579533] RBP: ffffffffb9ac7fc5 R08: 0000000000000000 R09: 0000000000000000 [ 79.587484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 79.595438] R13: ffffae86c257ff10 R14: ffffae86c257ff10 R15: ffff8aee03c09000 [ 79.603391] FS: 00007fcee86c0580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 79.612410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.618813] CR2: ffffffffb96d9ef0 CR3: 00000001051fe000 CR4: 00000000003506e0 [ 79.626766] Call Trace: [ 79.629496] direct_entry.cold+0x2c/0x38 [ 79.633879] full_proxy_write+0x56/0x80 [ 79.638162] vfs_write+0xea/0x390 [ 79.641859] ksys_write+0x68/0xe0 [ 79.645560] do_syscall_64+0x33/0x40 [ 79.649550] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.655183] RIP: 0033:0x7fcee85e8f33 [ 79.659168] 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 [ 79.680101] RSP: 002b:00007ffebe9d7e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.688540] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcee85e8f33 [ 79.696489] RDX: 0000000000000009 RSI: 00007fcee84d9000 RDI: 0000000000000001 [ 79.704438] RBP: 00007fcee84d9000 R08: 00007fcee84d8010 R09: 0000000000000000 [ 79.712391] R10: 00007fcee86e31c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.720340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.728301] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.744220] CR2: ffffffffb96d9ef0 [ 79.747915] ---[ end trace aa8e3adb220bab6c ]--- [ 79.753066] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.757439] Code: 5b 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 30 2a 71 02 [ 79.778374] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 79.784196] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.792152] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 79.800107] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 79.808062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.816014] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 79.823967] FS: 00007fcee86c0580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 79.832983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.839384] CR2: ffffffffb96d9ef0 CR3: 00000001051fe000 CR4: 00000000003506e0 CR0: 0000000080050033 # [ 77.112312] CR2: ffffffffffffffd6 CR3: 0000000103b70000 CR4: 00000000003506e0 # [ 77.120258] Call Trace: # [ 77.122991] execute_location+0x48/0x56 # [ 77.127271] direct_entry.cold+0x2c/0x38 # [ 77.131652] full_proxy_write+0x56/0x80 # [ 77.135931] vfs_write+0xea/0x390 # [ 77.139627] ksys_write+0x68/0xe0 # [ 77.143324] do_syscall_64+0x33/0x40 # [ 77.147309] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 77.152937] RIP: 0033:0x7f373ddd0f33 # [ 77.156923] 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 # [ 77.177848] RSP: 002b:00007ffecf261068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.186280] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f373ddd0f33 # [ 77.194228] RDX: 000000000000000a RSI: 00007f373dcc1000 RDI: 0000000000000001 # [ 77.202180] RBP: 00007f373dcc1000 R08: 00007f373dcc0010 R09: 0000000000000000 # [ 77.210128] R10: 00007f373decb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.218072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.226028] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.241945] CR2: 0000000000000000 # [ 77.245641] ---[ end trace aa8e3adb220bab69 ]--- # [ 77.250787] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.255157] Code: 5b 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 30 2a 71 02 # [ 77.276074] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 77.281894] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.289843] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 77.297792] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 77.305744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.313694] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 77.321644] FS: 00007f373dea8580(0000) GS:ffff8aee7bd00000(0000) knlGS:0000000000000000 # [ 77.330656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.337054] CR2: ffffffffffffffd6 CR3: 0000000103b70000 CR4: 00000000003506e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 77.612380] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 77.623992] lkdtm: attempting bad read at 00007f710e850000 # [ 77.636356] BUG: unable to handle page fault for address: 00007f710e850000 # [ 77.650184] #PF: supervisor read access in kernel mode # [ 77.655911] #PF: error_code(0x0001) - permissions violation # [ 77.662119] PGD 8000000103d6c067 P4D 8000000103d6c067 PUD 103f9c067 PMD 104aeb067 PTE 1142e9067 # [ 77.671836] Oops: 0001 [#12] SMP PTI # [ 77.675825] CPU: 1 PID: 1884 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 77.684454][ 80.152672] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 80.163792] lkdtm: attempting bad ro_after_init write at ffffffffb9b45328 [ 80.171419] BUG: unable to handle page fault for address: ffffffffb9b45328 [ 80.179080] #PF: supervisor write access in kernel mode [ 80.184900] #PF: error_code(0x0003) - permissions violation [ 80.191111] PGD 8629067 P4D 8629067 PUD 862a063 PMD 104a4d163 PTE 8000000008545061 [ 80.199565] Oops: 0003 [#15] SMP PTI [ 80.203552] CPU: 0 PID: 1989 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 80.212180] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.218785] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 80.224805] Code: 8e ac b9 e9 45 9f fd ff 48 c7 c7 30 8e ac b9 e8 39 9f fd ff 48 8b 05 f4 f4 a1 00 ba 34 12 cd ab 48 c7 c7 d8 8d ac b9 48 31 d0 <48> 89 05 de f4 a1 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 80.245725] RSP: 0018:ffffae86c2607e60 EFLAGS: 00010202 [ 80.251548] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 80.259498] RDX: 00000000abcd1234 RSI: ffff8aee7bc1bf70 RDI: ffffffffb9ac8dd8 [ 80.267451] RBP: ffffffffb9ac7fce R08: 0000000000000000 R09: 0000000000000000 [ 80.275401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 80.283353] R13: ffffae86c2607f10 R14: ffffae86c2607f10 R15: ffff8aee0294b000 [ 80.291300] FS: 00007f0dd1e23580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 80.300311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.306710] CR2: ffffffffb9b45328 CR3: 00000001032ce000 CR4: 00000000003506f0 [ 80.314659] Call Trace: [ 80.317392] direct_entry.cold+0x2c/0x38 [ 80.321774] full_proxy_write+0x56/0x80 [ 80.326044] vfs_write+0xea/0x390 [ 80.329739] ksys_write+0x68/0xe0 [ 80.333427] do_syscall_64+0x33/0x40 [ 80.337413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.343044] RIP: 0033:0x7f0dd1d4bf33 [ 80.347027] 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 [ 80.367946] RSP: 002b:00007fff8a0c25c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.376383] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f0dd1d4bf33 [ 80.384333] RDX: 0000000000000014 RSI: 00007f0dd1c3c000 RDI: 0000000000000001 [ 80.392283] RBP: 00007f0dd1c3c000 R08: 00007f0dd1c3b010 R09: 0000000000000000 [ 80.400235] R10: 00007f0dd1e461c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.408188] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.416154] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.432087] CR2: ffffffffb9b45328 [ 80.435784] ---[ end trace aa8e3adb220bab6d ]--- [ 80.440929] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.445302] Code: 5b 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 30 2a 71 02 [ 80.466228] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 80.472051] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.480002] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 80.487949] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 80.495898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.503846] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 80.511797] FS: 00007f0dd1e23580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 80.520810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.527213] CR2: ffffffffb9b45328 CR3: 00000001032ce000 CR4: 00000000003506f0 [ 80.535163] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 80.545049] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1989, name: cat [ 80.553478] INFO: lockdep is turned off. [ 80.557841] irq event stamp: 0 [ 80.561241] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 80.568227] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 80.577341] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 80.586449] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.593431] CPU: 0 PID: 1989 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 80.602063] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.608661] Call Trace: [ 80.611390] dump_stack+0x77/0x97 [ 80.615088] ___might_sleep.cold+0xa6/0xb6 [ 80.619655] exit_signals+0x1c/0x2d0 [ 80.623643] do_exit+0xd5/0xb00 [ 80.627147] ? ksys_write+0x68/0xe0 [ 80.631042] rewind_stack_do_exit+0x17/0x20 [ 80.635706] RIP: 0033:0x7f0dd1d4bf33 [ 80.639691] 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 [ 80.660623] RSP: 002b:00007fff8a0c25c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.669061] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f0dd1d4bf33 [ 80.677009] RDX: 0000000000000014 RSI: 00007f0dd1c3c000 RDI: 0000000000000001 [ 80.684957] RBP: 00007f0dd1c3c000 R08: 00007f0dd1c3b010 R09: 0000000000000000 [ 80.692911] R10: 00007f0dd1e461c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.700864] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.691060] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 77.697264] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 c8 8e ac b9 e8 73 9d fd ff 48 c7 c7 f0 8e ac b9 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 18 8f ac # [ 77.718177] RSP: 0018:ffffae86c2477e48 EFLAGS: 00010246 # [ 77.723999] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 77.731945] RDX: 0000000000000000 RSI: ffff8aee7bc9bf70 RDI: ffffffffb9ac8ef0 # [ 77.739892] RBP: 00007f710e850000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.747841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 77.755793] R13: ffffae86c2477f10 R14: ffffae86c2477f10 R15: ffff8aee032c6000 # [ 77.763748] FS: 00007f710e821580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 # [ 77.772766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.779169] CR2: 00007f710e850000 CR3: 0000000105386000 CR4: 00000000003506e0 # [ 77.787117] Call Trace: # [ 77.789849] direct_entry.cold+0x2c/0x38 # [ 77.800325] full_proxy_write+0x56/0x80 # [ 77.804602] vfs_write+0xea/0x390 # [ 77.808298] ksys_write+0x68/0xe0 # [ 77.811987] do_syscall_64+0x33/0x40 # [ 77.815969] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 77.821600] RIP: 0033:0x7f710e749f33 # [ 77.825586] 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 # [ 77.846505] RSP: 002b:00007ffcf7edb198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.854939] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f710e749f33 # [ 77.862885] RDX: 0000000000000011 RSI: 00007f710e63a000 RDI: 0000000000000001 # [ 77.870833] RBP: 00007f710e63a000 R08: 00007f710e639010 R09: 0000000000000000 # [ 77.878785] R10: 00007f710e8441c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.886732] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.894689] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.916765] CR2: 00007f710e850000 # [ 77.920460] ---[ end trace aa8e3adb220bab6a ]--- # [ 77.925608] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.929976] Code: 5b 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 30 2a 71 02 # [ 77.950891] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 77.956711] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.964655] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 77.972597] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 77.980540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.988487] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 77.996433] FS: 00007f710e821580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 # [ 78.005440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.011839] CR2: 00007f710e850000 CR3: 0000000105386000 CR4: 00000000003506e0 # [ 78.019793] BUG: sleeping function called from invali[ 81.037298] lkdtm: Performing direct entry WRITE_KERN [ 81.049168] lkdtm: attempting bad 6766244 byte write at ffffffffb9125d54 [ 81.056696] BUG: unable to handle page fault for address: ffffffffb9125d54 [ 81.064360] #PF: supervisor write access in kernel mode [ 81.070185] #PF: error_code(0x0003) - permissions violation d context at include/linux/percpu-rwsem.h:49 # [ 78.029673] i[ 81.076393] PGD 8629067 P4D 8629067 PUD 862a063 PMD 7a001e1 [ 81.088903] Oops: 0003 [#16] SMP PTI n_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1884, name[ 81.092891] CPU: 0 PID: 2024 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 81.107708] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.114313] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 81.119461] Code: 53 48 c7 c3 54 5d 12 b9 49 89 dc 48 89 da 49 81 ec b0 1e ab b8 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e ab b8 a4 48 c7 c7 d8 8d ac b9 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 81.140379] RSP: 0018:ffffae86c265fe50 EFLAGS: 00010246 [ 81.146203] RAX: 000000000000003c RBX: ffffffffb9125d54 RCX: 0000000000673ea4 [ 81.154155] RDX: 0000000000000000 RSI: ffffffffb8ab1eb0 RDI: ffffffffb9125d54 [ 81.162107] RBP: ffffffffb9ac7fe2 R08: 0000000000000000 R09: 0000000000000000 [ 81.170060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000673ea4 [ 81.178011] R13: ffffae86c265ff10 R14: ffffae86c265ff10 R15: ffff8aee05fb7000 [ 81.185964] FS: 00007f109611d580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 81.194979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.201381] CR2: ffffffffb9125d54 CR3: 0000000104b3e000 CR4: 00000000003506f0 [ 81.209325] Call Trace: [ 81.212059] direct_entry.cold+0x2c/0x38 [ 81.216439] full_proxy_write+0x56/0x80 [ 81.220715] vfs_write+0xea/0x390 [ 81.224410] ksys_write+0x68/0xe0 [ 81.228108] do_syscall_64+0x33/0x40 [ 81.232093] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.237724] RIP: 0033:0x7f1096045f33 [ 81.241707] 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 [ 81.262621] RSP: 002b:00007ffeee07c258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.271058] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1096045f33 [ 81.279002] RDX: 000000000000000b RSI: 00007f1095f36000 RDI: 0000000000000001 [ 81.286949] RBP: 00007f1095f36000 R08: 00007f1095f35010 R09: 0000000000000000 [ 81.294896] R10: 00007f10961401c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.302841] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.310796] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.326711] CR2: ffffffffb9125d54 [ 81.330408] ---[ end trace aa8e3adb220bab6e ]--- [ 81.335556] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.339927] Code: 5b 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 30 2a 71 02 [ 81.360844] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 [ 81.366662] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.374613] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 [ 81.382561] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 [ 81.390508] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.398456] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 [ 81.406411] FS: 00007f109611d580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 81.415427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.421828] CR2: ffffffffb9125d54 CR3: 0000000104b3e000 CR4: 00000000003506f0 : cat # [ 78.038102] INFO: lockdep is turned off. # [ 78.042466] irq event stamp: 0 # [ 78.045863] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.052848] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.061961] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.071069] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.078054] CPU: 1 PID: 1884 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 78.086674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.093264] Call Trace: # [ 78.095994] dump_stack+0x77/0x97 # [ 78.099692] ___might_sleep.cold+0xa6/0xb6 # [ 78.104260] exit_signals+0x1c/0x2d0 # [ 78.108234] do_exit+0xd5/0xb00 # [ 78.111735] ? ksys_write+0x68/0xe0 # [ 78.115625] rewind_stack_do_exit+0x17/0x20 # [ 78.120283] RIP: 0033:0x7f710e749f33 # [ 78.124265] 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 # [ 78.145187] RSP: 002b:00007ffcf7edb198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.153622] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f710e749f33 # [ 78.161571] RDX: 0000000000000011 RSI: 00007f710e63a000 RDI: 0000000000000001 # [ 78.169517] RBP: 00007f710e63a000 R08: 00007f710e639010 R09: 0000000000000000 # [ 78.177461] R10: 00007f710e8441c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.185410] 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 # [ 78.497961] lkdtm: Performing direct entry ACCESS_NULL # [ 78.509016] lkdtm: attempting bad read at 0000000000000000 # [ 78.521343] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 78.535257] #PF: supervisor read access in kernel mode # [ 78.540984] #PF: error_code(0x0000) - not-present page # [ 78.546710] PGD 0 P4D 0 # [ 78.549543] Oops: 0000 [#13] SMP PTI # [ 78.553524] CPU: 3 PID: 1919 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 78.562159] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.568769] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 78.574019] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 eb 3c ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 c8 8e ac b9 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f0 8e ac b9 48 01 # [ 78.594951] RSP: 0018:ffffae86c24ffe58 EFLAGS: 00010246 # [ 78.600780] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 78.608737] RDX: 0000000000000000 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 # [ 78.616692] RBP: ffffffffb9ac7fb9 R08: 0000000000000000 R09: 0000000000000000 # [ 78.624649] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 78.632607] R13: ffffae86c24fff10 R14: fff[ 81.725270] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 81.734177] lkdtm: attempting good refcount_inc() without overflow [ 81.741092] lkdtm: attempting bad refcount_inc() overflow fae86c24fff10 R15: ffff8aee013ed000 # [ 78.640566] FS: 00007[ 81.747145] ------------[ cut here ]------------ [ 81.758483] refcount_t: saturated; leaking memory. f7232098580(0000) GS:ffff8aee7bd80000(0000) knlGS:00000000000000[ 81.763888] WARNING: CPU: 0 PID: 2059 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 00 # [ 78.649590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 81.779393] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.801544] CPU: 0 PID: 2059 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 81.810192] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.816813] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 81.822606] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a a6 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 05 d4 [ 81.843580] RSP: 0018:ffffae86c270fe48 EFLAGS: 00010286 [ 81.849423] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 81.857395] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 [ 81.865369] RBP: ffffffffb9ac7fed R08: 0000000000000000 R09: 0000000000000000 [ 81.873338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 81.881308] R13: ffffae86c270ff10 R14: ffffae86c270ff10 R15: ffff8aee04ae0000 [ 81.889284] FS: 00007fe37d710580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 81.898318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.904738] CR2: 00007fe37d529000 CR3: 000000010538a000 CR4: 00000000003506f0 [ 81.912707] Call Trace: [ 81.915462] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 [ 81.920830] direct_entry.cold+0x2c/0x38 [ 81.925232] full_proxy_write+0x56/0x80 [ 81.929534] vfs_write+0xea/0x390 [ 81.933252] ksys_write+0x68/0xe0 [ 81.936975] do_syscall_64+0x33/0x40 [ 81.940984] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.946637] RIP: 0033:0x7fe37d638f33 [ 81.950644] 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 [ 81.971598] RSP: 002b:00007fffa1a53778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.980057] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe37d638f33 [ 81.988025] RDX: 0000000000000016 RSI: 00007fe37d529000 RDI: 0000000000000001 [ 81.995996] RBP: 00007fe37d529000 R08: 00007fe37d528010 R09: 0000000000000000 [ 82.003966] R10: 00007fe37d7331c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.011939] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.019924] irq event stamp: 0 [ 82.023346] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.030353] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 050033 # [ 78.655995] CR2: 0000000000000000 CR3: 000000010532[ 82.039494] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 6000 CR4: 00000000003506e0 # [ 78.663946] Call Trace: # [ [ 82.054795] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 82.067981] ---[ end trace aa8e3adb220bab6f ]--- [ 82.073143] lkdtm: Overflow detected: saturated 78.666680] direct_entry.cold+0x2c/0x38 # [ 78.671059] full_proxy_write+0x56/0x80 # [ 78.675342] vfs_write+0xea/0x390 # [ 78.679041] ksys_write+0x68/0xe0 # [ 78.682743] do_syscall_64+0x33/0x40 # [ 78.686731] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.692366] RIP: 0033:0x7f7231fc0f33 # [ 78.696352] 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 # [ 78.717292] RSP: 002b:00007ffc50571388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.725735] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7231fc0f33 # [ 78.733691] RDX: 000000000000000c RSI: 00007f7231eb1000 RDI: 0000000000000001 # [ 78.741649] RBP: 00007f7231eb1000 R08: 00007f7231eb0010 R09: 0000000000000000 # [ 78.749606] R10: 00007f72320bb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.757563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.765529] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.781459] CR2: 0000000000000000 # [ 78.785154] ---[ end trace aa8e3adb220bab6b ]--- # [ 78.790297] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.794669] Code: 5b 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 30 2a 71 02 # [ 78.815601] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 78.821430] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.829381] RDX: 0000000000000000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 78.837333] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 0000000000000001 # [ 78.845287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.853240] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 78.861197] FS: 00007f7232098580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 78.870217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.876624] CR2: 0000000000000000 CR3: 0000000105326000 CR4: 00000000003506e0 # [ 78.884578] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.894470] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1919, name: cat # [ 78.902904] INFO: lockdep is turned off. # [ 78.907273] irq event stamp: 0 # [ 78.910676] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.917668] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.926786] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.935900] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.942885] CPU: 3 PID: 191[ 82.360378] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 9 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ [ 82.369974] lkdtm: attempting good refcount_add() without overflow [ 82.383075] lkdtm: attempting bad refcount_add() overflow 78.951515] Hardware name: Google Coral/Coral, BIOS 09/29/2020[ 82.389115] ------------[ cut here ]------------ [ 82.400451] refcount_t: saturated; leaking memory. # [ 78.958112] Call Trace: # [ 78.960842] dump_stack+0x77[ 82.405864] WARNING: CPU: 1 PID: 2091 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 /0x97 # [ 78.964539] ___might_sleep.cold+0xa6/0xb6 # [ 78[ 82.421355] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .969108] exit_signals+0x1c/0x2d0 # [ 78.973093] do_exit+0xd[ 82.443474] CPU: 1 PID: 2091 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 82.458322] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.464949] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 82.470702] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a a6 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 05 d4 [ 82.491653] RSP: 0018:ffffae86c279fe48 EFLAGS: 00010286 5/0xb00 # [ 78.976588] ? ksys_write+0x68/0xe0 # [ 78.9804[ 82.497501] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 82.511642] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 [ 82.519617] RBP: ffffffffb9ac8003 R08: 0000000000000000 R09: 0000000000000000 [ 82.527579] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 82.535550] R13: ffffae86c279ff10 R14: ffffae86c279ff10 R15: ffff8aee05216000 [ 82.543519] FS: 00007f86325a7580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 [ 82.552556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.558983] CR2: 00007f86323c0000 CR3: 0000000102fe6000 CR4: 00000000003506e0 [ 82.566949] Call Trace: [ 82.569705] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 80] rewind_stack_do_exit+0x17/0x20 # [ 78.985140] RIP: 0033:[ 82.575070] direct_entry.cold+0x2c/0x38 0x7f7231fc0f33 # [ 78.989126] Code: 8b 15 61 ef 0c 00 f7 d8 6[ 82.585623] full_proxy_write+0x56/0x80 [ 82.596118] vfs_write+0xea/0x390 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00[ 82.599837] ksys_write+0x68/0xe0 [ 82.609719] do_syscall_64+0x33/0x40 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c[ 82.613728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.625542] RIP: 0033:0x7f86324cff33 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.010053] RSP: [ 82.629549] 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 [ 82.656654] RSP: 002b:00007fff30bef0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 002b:00007ffc50571388 EFLAGS: 00000246 ORIG_RAX: 000000000000000[ 82.665135] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f86324cff33 1 # [ 79.018494] RAX: ffffffffffffffda RBX: 000000000000000c [ 82.679312] RDX: 0000000000000016 RSI: 00007f86323c0000 RDI: 0000000000000001 [ 82.693479] RBP: 00007f86323c0000 R08: 00007f86323bf010 R09: 0000000000000000 RCX: 00007f7231fc0f33 # [ 79.026442] RDX: 000000000000000c RS[ 82.701454] R10: 00007f86325ca1c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.715592] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 I: 00007f7231eb1000 RDI: 0000000000000001 # [ 79.034389] RBP:[ 82.723582] irq event stamp: 0 [ 82.733205] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.740219] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 82.749359] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 82.758507] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 82.765517] ---[ end trace aa8e3adb220bab70 ]--- [ 82.770685] lkdtm: Overflow detected: saturated 00007f7231eb1000 R08: 00007f7231eb0010 R09: 0000000000000000 # [ 79.042336] R10: 00007f72320bb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.050285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 79.457837] lkdtm: Performing direct entry WRITE_RO # [ 79.466568] lkdtm: attempting bad rodata write at ffffffffb96d9ef0 # [ 79.479656] BUG: unable to handle page fault for address: ffffffffb96d9ef0 # [ 79.493474] #PF: supervisor write access in kernel mode # [ 79.499289] #PF: error_code(0x0003) - permissions violation # [ 79.505500] PGD 8629067 P4D 8629067 PUD 862a063 PMD 80000000080001e1 # [ 79.512696] Oops: 0003 [#14] SMP PTI # [ 79.516681] CPU: 3 PID: 1954 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 79.525309] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.531913] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 79.536869] Code: 00 48 c7 c7 a8 8d ac b9 48 c7 c6 f0 9e 6d b9 e8 93 9f fd ff 48 8b 05 16 41 5b 00 ba 34 12 cd ab 48 c7 c7 d8 8d ac b9 48 31 d0 <48> 89 05 00 41 5b 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 f5 # [ 79.557791] RSP: 0018:ffffae86c257fe60 EFLAGS: 00010202 # [ 79.563618] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 79.571575] RDX: 00000000abcd1234 RSI: ffff8aee7bd9bf70 RDI: ffffffffb9ac8dd8 # [ 79.579533] RBP: ffffffffb9ac7fc5 R08: 0000000000000000 R09: 0000000000000000 # [ 79.587484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 79.595438] R13: ffffae86c257ff10 R14: ffffae86c257ff10 R15: ffff8aee03c09000 # [ 79.603391] FS: 00007fcee86c0580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 79.612410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.618813] CR2: ffffffffb96d9ef0 CR3: 00000001051fe000 CR4: 00000000003506e0 # [ 79.626766] Call Trace: # [ 79.629496] direct_entry.cold+0x2c/0x38 # [ 79.633879] full_proxy_write+0x56/0x80 # [ 79.638162] vfs_write+0xea/0x390 # [ 79.641859] ksys_write+0x68/0xe0 # [ 79.645560] do_syscall_64+0x33/0x40 # [ 79.649550] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 79.655183] RIP: 0033:0x7fcee85e8f33 # [ 79.659168] 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 # [ 79.680101] RSP: 002b:00007ffebe9d7e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.688540] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcee85e8f33 # [ 79.696489] RDX: 0000000000000009 RSI: 00007fcee84d9000 RDI: 0000000000000001 # [ 79.704438] RBP: 00007fcee84d9000 R08: 00007fcee84d8010 R09: 0000000000000000 # [ 79.712391] R10: 00007fcee86e31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.720340] R13: 0000000000000001 R14: [ 83.066471] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 83.074619] lkdtm: attempting bad refcount_inc_not_zero() overflow 0000000000020000 R15: 0000000000020000 # [ 79.728301] Modules[ 83.081561] ------------[ cut here ]------------ [ 83.092920] refcount_t: saturated; leaking memory. linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_[ 83.098332] WARNING: CPU: 1 PID: 2123 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_[ 83.113829] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify usbpd_notify # [ 79.744220] CR2: ffffffffb96d9ef0 # [ 79.7[ 83.135941] CPU: 1 PID: 2123 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 83.150783] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.157405] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 83.163146] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 [ 83.184081] RSP: 0018:ffffae86c2827e38 EFLAGS: 00010282 [ 83.189933] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 83.197907] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 [ 83.205885] RBP: ffffffffb9ac7c40 R08: 0000000000000000 R09: 0000000000000000 47915] ---[ end trace aa8e3adb220bab6c ]--- # [ 79.753066] RI[ 83.213868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 83.228018] R13: ffffae86c2827f10 R14: ffffae86c2827f10 R15: ffff8aee032c4000 [ 83.235993] FS: 00007f93f2e69580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 [ 83.245024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.251445] CR2: 00007f93f2c82000 CR3: 0000000104b3e000 CR4: 00000000003506e0 [ 83.259409] Call Trace: P: 0010:lkdtm_BUG+0x5/0x10 # [ 79.757439] Code: 5b a5 ff 48 c[ 83.262165] __refcount_add_not_zero.constprop.0+0x2a/0x31 7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff[ 83.274505] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 83.286933] direct_entry.cold+0x2c/0x38 [ 83.291331] full_proxy_write+0x56/0x80 ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 83.295634] vfs_write+0xea/0x390 [ 83.305509] ksys_write+0x68/0xe0 [ 83.309232] do_syscall_64+0x33/0x40 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 79.7[ 83.313241] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.325060] RIP: 0033:0x7f93f2d91f33 78374] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 79.784[ 83.329066] 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 [ 83.356170] RSP: 002b:00007ffecfb8a508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 196] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 0000000000[ 83.364625] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f93f2d91f33 000000 # [ 79.792152] RDX: 0000000000000000 RSI: ffff8aee7bd1[ 83.378767] RDX: 000000000000001f RSI: 00007f93f2c82000 RDI: 0000000000000001 [ 83.392917] RBP: 00007f93f2c82000 R08: 00007f93f2c81010 R09: 0000000000000000 [ 83.400888] R10: 00007f93f2e8c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.408858] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 bf70 RDI: ffffffffb96d9a70 # [ 79.800107] RBP: ffffffffb9b232[ 83.416848] irq event stamp: 0 [ 83.426452] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 83.433463] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 83.442597] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 83.451732] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.458739] ---[ end trace aa8e3adb220bab71 ]--- [ 83.463904] lkdtm: Overflow detected: saturated 98 R08: 0000000000000001 R09: 0000000000000001 # [ 79.808062] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.816014] R13: ffffae86c13c7f10 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 79.823967] FS: 00007fcee86c0580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 79.832983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.839384] CR2: ffffffffb96d9ef0 CR3: 00000001051fe000 CR4: 00000000003506e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 80.152672] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 80.163792] lkdtm: attempting bad ro_after_init write at ffffffffb9b45328 # [ 80.171419] BUG: unable to handle page fault for address: ffffffffb9b45328 # [ 80.179080] #PF: supervisor write access in kernel mode # [ 80.184900] #PF: error_code(0x0003) - permissions violation # [ 80.191111] PGD 8629067 P4D 8629067 PUD 862a063 PMD 104a4d163 PTE 8000000008545061 # [ 80.199565] Oops: 0003 [#15] SMP PTI # [ 80.203552] CPU: 0 PID: 1989 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 80.212180] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.218785] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 80.224805] Code: 8e ac b9 e9 45 9f fd ff 48 c7 c7 30 8e ac b9 e8 39 9f fd ff 48 8b 05 f4 f4 a1 00 ba 34 12 cd ab 48 c7 c7 d8 8d ac b9 48 31 d0 <48> 89 05 de f4 a1 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 80.245725] RSP: 0018:ffffae86c2607e60 EFLAGS: 00010202 # [ 80.251548] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 80.259498] RDX: 00000000abcd1234 RSI: ffff8aee7bc1bf70 RDI: ffffffffb9ac8dd8 # [ 80.267451] RBP: ffffffffb9ac7fce R08: 0000000000000000 R09: 0000000000000000 # [ 80.275401] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 80.283353] R13: ffffae86c2607f10 R14: ffffae86c2607f10 R15: ffff8aee0294b000 # [ 80.291300] FS: 00007f0dd1e23580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 80.300311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.306710] CR2: ffffffffb9b45328 CR3: 00000001032ce000 CR4: 00000000003506f0 # [ 80.314659] Call Trace: # [ 80.317392] direct_entry.cold+0x2c/0x38 # [ 80.321774] full_proxy_write+0x56/0x80 # [ 80.326044] vfs_write+0xea/0x390 # [ 80.329739] ksys_write+0x68/0xe0 # [ 80.333427] do_syscall_64+0x33/0x40 # [ 80.337413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 80.343044] RIP: 0033:0x7f0dd1d4bf33 # [ 80.347027] 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 # [ 80.367946] RSP: 002b:00007fff8a0c25c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.376383] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f0dd1d4bf33 # [ 80.384333] RDX: 0000000000000014 RSI: 00007f0dd1c3c000 RDI: 000000000000000[ 83.763570] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 1 # [ 80.392283] RBP: 00007f0dd1c3c000 R08: 00007f0dd1c3b010 [ 83.774173] lkdtm: attempting bad refcount_add_not_zero() overflow R09: 0000000000000000 # [ 80.400235] R10: 00007f0dd1e461c0 R1[ 83.787268] ------------[ cut here ]------------ 1: 0000000000000246 R12: 0000000000000001 # [ 80.408188] R13:[ 83.798601] refcount_t: saturated; leaking memory. 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 83.810224] WARNING: CPU: 3 PID: 2155 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 80.416154] Modules linked in: fuse ip_tables cros_ec_debugf[ 83.825691] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify s cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_th[ 83.847794] CPU: 3 PID: 2155 Comm: cat Tainted: G D W 5.10.128-cip10 #1 ermal cros_ec_dev cros_usbpd_notify # [ 80.432087] CR2: fffff[ 83.862643] Hardware name: Google Coral/Coral, BIOS 09/29/2020 fffb9b45328 # [ 80.435784] ---[ end trace aa8e3adb220bab6d ]-[ 83.875445] RIP: 0010:refcount_warn_saturate+0x87/0xf0 -- # [ 80.440929] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.4453[ 83.887392] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 02] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff [ 83.914523] RSP: 0018:ffffae86c289fe38 EFLAGS: 00010282 ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 4[ 83.926535] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 4 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 [ 83.940693] RDX: ffff8aee7bdac660 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 30 2a 71 02 # [ 80.466228] RSP: 0018:ffffae86c13c7e60 EFLAGS:[ 83.954874] RBP: ffffffffb9ac7c60 R08: 0000000000000000 R09: 0000000000000000 00010282 # [ 80.472051] RAX: ffffffffb8ab1ae0 RBX: 000000000[ 83.969015] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0000001 RCX: 0000000000000000 # [ 80.480002] RDX: 00000000000[ 83.983210] R13: ffffae86c289ff10 R14: ffffae86c289ff10 R15: ffff8aee05398000 00000 RSI: ffff8aee7bd1bf70 RDI: ffffffffb96d9a70 # [ 80.4879[ 83.997338] FS: 00007f2474a3e580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 49] RBP: ffffffffb9b23298 R08: 0000000000000001 R09: 00000000000[ 84.012579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00001 # [ 80.495898] R10: 00000000ffffe000 R11: 3ffffffffffff[ 84.025173] CR2: 00007f2474857000 CR3: 0000000103f9c000 CR4: 00000000003506e0 fff R12: 0000000000000004 # [ 80.503846] R13: ffffae86c13c7f1[ 84.039327] Call Trace: 0 R14: ffffae86c13c7f10 R15: ffff8aee03aa2000 # [ 80.511797] [ 84.048332] __refcount_add_not_zero.constprop.0+0x2a/0x31 FS: 00007f0dd1e23580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000[ 84.060961] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 000000000000 # [ 80.520810] CS: 0010 DS: 0000 ES: 0000 CR0: [ 84.073123] direct_entry.cold+0x2c/0x38 0000000080050033 # [ 80.527213] CR2: ffffffffb9b45328 CR3: 00[ 84.083895] full_proxy_write+0x56/0x80 000001032ce000 CR4: 00000000003506f0 # [ 80.535163] BUG: slee[ 84.094274] vfs_write+0xea/0x390 ping function called from invalid context at include/linux/percp[ 84.104137] ksys_write+0x68/0xe0 u-rwsem.h:49 # [ 80.545049] in_atomic(): 0, irqs_disabled(): [ 84.113969] do_syscall_64+0x33/0x40 1, non_block: 0, pid: 1989, name: cat # [ 80.553478] INFO: lo[ 84.124174] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ckdep is turned off. # [ 80.557841] irq event stamp: 0 # [ [ 84.136000] RIP: 0033:0x7f2474966f33 80.561241] hardirqs last enabled at (0): [<0000000000000000>] [ 84.146202] 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 0x0 # [ 80.568227] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 80.577341] softirqs l[ 84.188002] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f2474966f33 ast enabled at (0): [] copy_process+0x63c/0x1[ 84.202128] RDX: 000000000000001f RSI: 00007f2474857000 RDI: 0000000000000001 c80 # [ 80.586449] softirqs last disabled at (0): [<000000000[ 84.216328] RBP: 00007f2474857000 R08: 00007f2474856010 R09: 0000000000000000 0000000>] 0x0 # [ 80.593431] CPU: 0 PID: 1989 Comm: cat Taint[ 84.230456] R10: 00007f2474a611c0 R11: 0000000000000246 R12: 0000000000000001 ed: G D W 5.10.128-cip10 #1 # [ 80.602063] Hardw[ 84.244649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 are name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.608661][ 84.258808] irq event stamp: 0 Call Trace: # [ 80.611390] dump_stack+0x77/0x97 # [ 80.6[ 84.268439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 15088] ___might_sleep.cold+0xa6/0xb6 # [ 80.619655] exit_si[ 84.281613] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 gnals+0x1c/0x2d0 # [ 80.623643] do_exit+0xd5/0xb00 # [ 80[ 84.296941] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 .627147] ? ksys_write+0x68/0xe0 # [ 80.631042] rewind_stack[ 84.312242] softirqs last disabled at (0): [<0000000000000000>] 0x0 _do_exit+0x17/0x20 # [ 80.635706] RIP: 0033:0x7f0dd1d4bf33 #[ 84.325488] ---[ end trace aa8e3adb220bab72 ]--- [ 80.639691] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 [ 84.336811] lkdtm: Overflow detected: saturated ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.660623] RSP: 002b:00007fff8a0c25c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.669061] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f0dd1d4bf33 # [ 80.677009] RDX: 0000000000000014 RSI: 00007f0dd1c3c000 RDI: 0000000000000001 # [ 80.684957] RBP: 00007f0dd1c3c000 R08: 00007f0dd1c3b010 R09: 0000000000000000 # [ 80.692911] R10: 00007f0dd1e461c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.700864] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 81.037298] lkdtm: Performing direct entry WRITE_KERN # [ 81.049168] lkdtm: attempting bad 6766244 byte write at ffffffffb9125d54 # [ 81.056696] BUG: unable to handle page fault for address: ffffffffb9125d54 # [ 81.064360] #PF: supervisor write access in kernel mode # [ 81.070185] #PF: error_code(0x0003) - permissions violation # [ 81.076393] PGD 8629067 P4D 8629067 PUD 862a063 PMD 7a001e1 # [ 81.088903] Oops: 0003 [#16] SMP PTI # [ 81.092891] CPU: 0 PID: 2024 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 81.107708] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.114313] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 81.119461] Code: 53 48 c7 c3 54 5d 12 b9 49 89 dc 48 89 da 49 81 ec b0 1e ab b8 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e ab b8 a4 48 c7 c7 d8 8d ac b9 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 81.140379] RSP: 0018:ffffae86c265fe50 EFLAGS: 00010246 # [ 81.146203] RAX: 000000000000003c RBX: ffffffffb9125d54 RCX: 0000000000673ea4 # [ 81.154155] RDX: 0000000000000000 RSI: ffffffffb8ab1eb0 RDI: ffffffffb9125d54 # [ 81.162107] RBP: ffffffffb9ac7fe2 R08: 0000000000000000 R09: 0000000000000000 # [ 81.170060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000673ea4 # [ 81.178011] R13: ffffae86c265ff10 R14: ffffae86c265ff10 R15: ffff8aee05fb7000 # [ 81.185964] FS: 00007f109611d580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 81.194979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.201381] CR2: ffffffffb9125d54 CR3: 0000000104b3e000 CR4: 00000000003506f0 # [ 81.209325] Call Trace: # [ 81.212059] direct_entry.cold+0x2c/0x38 # [ 81.216439] full_proxy_write+0x56/0x80 # [ 81.220715] vfs_write+0xea/0x390 # [ 81.224410] ksys_write+0x68/0xe0 # [ 81.228108] do_syscall_64+0x33/0x40 # [ 81.232093] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 81.237724] RIP: 0033:0x7f1096045f33 # [ 81.241707] 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 # [ 81.262621] RSP: 002b:00007ffeee07c258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.271058] RAX: ffffffffffffffda RBX: 00000000000000[ 84.648802] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 0b RCX: 00007f1096045f33 # [ 81.279002] RDX: 000000000000000b[ 84.658238] lkdtm: attempting good refcount_dec() RSI: 00007f1095f36000 RDI: 0000000000000001 # [ 81.286949] R[ 84.669671] lkdtm: attempting bad refcount_dec() to zero BP: 00007f1095f36000 R08: 00007f1095f35010 R09: 0000000000000000[ 84.681735] ------------[ cut here ]------------ # [ 81.294896] R10: 00007f10961401c0 R11: 0000000000000246 R[ 84.692859] refcount_t: decrement hit 0; leaking memory. 12: 0000000000000001 # [ 81.302841] R13: 0000000000000001 R14[ 84.705148] WARNING: CPU: 3 PID: 2187 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 : 0000000000020000 R15: 0000000000020000 # [ 81.310796] Modul[ 84.720550] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify es linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cro[ 84.742726] CPU: 3 PID: 2187 Comm: cat Tainted: G D W 5.10.128-cip10 #1 s_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cro[ 84.757503] Hardware name: Google Coral/Coral, BIOS 09/29/2020 s_usbpd_notify # [ 81.326711] CR2: ffffffffb9125d54 # [ 81[ 84.770373] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 .330408] ---[ end trace aa8e3adb220bab6e ]--- # [ 81.335556] [ 84.782257] Code: ff 48 c7 c7 10 3b a6 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a a6 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.339927] Code: 5b a5 ff 48[ 84.809410] RSP: 0018:ffffae86c2917e48 EFLAGS: 00010286 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff [ 84.821411] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f[ 84.835581] RDX: ffff8aee7bdac660 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 2a 71 02 # [ 81[ 84.849719] RBP: ffffffffb9ac8019 R08: 0000000000000000 R09: 0000000000000000 .360844] RSP: 0018:ffffae86c13c7e60 EFLAGS: 00010282 # [ 81.3[ 84.863911] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 66662] RAX: ffffffffb8ab1ae0 RBX: 0000000000000001 RCX: 00000000[ 84.878047] R13: ffffae86c2917f10 R14: ffffae86c2917f10 R15: ffff8aee051e6000 00000000 # [ 81.374613] RDX: 0000000000000000 RSI: ffff8aee7b[ 84.892244] FS: 00007f723e709580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 d1bf70 RDI: ffffffffb96d9a70 # [ 81.382561] RBP: ffffffffb9b2[ 84.907421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3298 R08: 0000000000000001 R09: 0000000000000001 # [ 81.39050[ 84.920024] CR2: 00007f723e522000 CR3: 0000000103294000 CR4: 00000000003506e0 8] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000[ 84.934176] Call Trace: 0004 # [ 81.398456] R13: ffffae86c13c7f10 R14: ffffae86c13c7f[ 84.943157] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 10 R15: ffff8aee03aa2000 # [ 81.406411] FS: 00007f109611d580[ 84.954273] direct_entry.cold+0x2c/0x38 (0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 8[ 84.964882] full_proxy_write+0x56/0x80 1.415427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 84.975288] vfs_write+0xea/0x390 81.421828] CR2: ffffffffb9125d54 CR3: 0000000104b3e000 CR4: 0[ 84.985181] ksys_write+0x68/0xe0 0000000003506f0 # WRITE_KERN: saw 'call trace:': ok ok 41 self[ 84.995156] do_syscall_64+0x33/0x40 tests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OV[ 85.005267] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ERFLOW.sh # [ 81.725270] lkdtm: Performing direct entry REFCO[ 85.017100] RIP: 0033:0x7f723e631f33 UNT_INC_OVERFLOW # [ 81.734177] lkdtm: attempting good refcou[ 85.027265] 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_inc() without overflow # [ 81.741092] lkdtm: attempting ba[ 85.054460] RSP: 002b:00007fffe372cdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 d refcount_inc() overflow # [ 81.747145] ------------[ cut he[ 85.069040] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f723e631f33 re ]------------ # [ 81.758483] refcount_t: saturated; leakin[ 85.083214] RDX: 0000000000000012 RSI: 00007f723e522000 RDI: 0000000000000001 g memory. # [ 81.763888] WARNING: CPU: 0 PID: 2059 at lib/ref[ 85.097357] RBP: 00007f723e522000 R08: 00007f723e521010 R09: 0000000000000000 count.c:22 refcount_warn_saturate+0x49/0xf0 # [ 81.779393] Mo[ 85.111524] R10: 00007f723e72c1c0 R11: 0000000000000246 R12: 0000000000000001 dules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev [ 85.111528] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev [ 85.111544] irq event stamp: 0 cros_usbpd_notify # [ 81.801544] CPU: 0 PID: 2059 Comm: cat T[ 85.149471] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ainted: G D W 5.10.128-cip10 #1 # [ 81.810192] H[ 85.162641] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.816[ 85.177977] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 813] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 81.822606[ 85.193274] softirqs last disabled at (0): [<0000000000000000>] 0x0 ] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76[ 85.206464] ---[ end trace aa8e3adb220bab73 ]--- 01 00 75 f2 48 c7 c7 60 3a a6 b9 c6 05 f4 30 76 01 01 e8 2d ec [ 85.217847] lkdtm: Zero detected: saturated 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 05 d4 # [ 81.843580] RSP: 0018:ffffae86c270fe48 EFLAGS: 00010286 # [ 81.849423] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 81.857395] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 # [ 81.865369] RBP: ffffffffb9ac7fed R08: 0000000000000000 R09: 0000000000000000 # [ 81.873338] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 81.881308] R13: ffffae86c270ff10 R14: ffffae86c270ff10 R15: ffff8aee04ae0000 # [ 81.889284] FS: 00007fe37d710580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 81.898318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.904738] CR2: 00007fe37d529000 CR3: 000000010538a000 CR4: 00000000003506f0 # [ 81.912707] Call Trace: # [ 81.915462] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 81.920830] direct_entry.cold+0x2c/0x38 # [ 81.925232] full_proxy_write+0x56/0x80 # [ 81.929534] vfs_write+0xea/0x390 # [ 81.933252] ksys_write+0x68/0xe0 # [ 81.936975] do_syscall_64+0x33/0x40 # [ 81.940984] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 81.946637] RIP: 0033:0x7fe37d638f33 # [ 81.950644] 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 # [ 81.971598] RSP: 002b:00007fffa1a53778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.980057] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe37d638f33 # [ 81.988025] RDX: 0000000000000016 RSI: 00007fe37d529000 RDI: 0000000000000001 # [ 81.995996] RBP: 00007fe37d529000 R08: 00007fe37d528010 R09: 0000000000000000 # [ 82.003966] R10: 00007fe37d7331c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.011939] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.019924] irq event stamp: 0 # [ 82.023346] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.030353] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.039494] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.054795] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.067981] ---[ end trace aa8e3adb220bab6f ]--- # [ 82.073143] 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 # [ 82.360378] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 82.369974] lkdtm: attempting good refcount_add() without overflow # [ 82.383075] lkdtm: attempting bad refcount_add() overflow # [ 82.389115] ------------[ cut here ]------------ # [ 82.400451] refcount_t: saturated; leaking memory. # [ 82.405864] WARNING: CPU: 1 PID: 2091 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 82.421355] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.443474] CPU: 1 PID: 2091 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 82.458322] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.464949] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 82.470702] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a a6 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 [ 85.571104] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 05 d4 # [ 82.491653] RSP: 0018:ffffae86c279fe48 EFLAGS: 00010[ 85.582501] lkdtm: attempting bad refcount_dec() below zero 286 # [ 82.497501] RAX: 0000000000000000 RBX: 000000000000002[ 85.594926] ------------[ cut here ]------------ c RCX: 0000000000000000 # [ 82.511642] RDX: ffff8aee7bcac660 [ 85.606259] refcount_t: decrement hit 0; leaking memory. RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 # [ 82.519617] RB[ 85.618418] WARNING: CPU: 3 PID: 2222 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 P: ffffffffb9ac8003 R08: 0000000000000000 R09: 0000000000000000[ 85.633911] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.527579] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 85.655990] CPU: 3 PID: 2222 Comm: cat Tainted: G D W 5.10.128-cip10 #1 2: 0000000000000016 # [ 82.535550] R13: ffffae86c279ff10 R14:[ 85.670843] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ffffae86c279ff10 R15: ffff8aee05216000 # [ 82.543519] FS: 0[ 85.683635] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 0007f86325a7580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000[ 85.695586] Code: ff 48 c7 c7 10 3b a6 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a a6 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 000000 # [ 82.552556] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 85.722705] RSP: 0018:ffffae86c2997e48 EFLAGS: 00010286 0080050033 # [ 82.558983] CR2: 00007f86323c0000 CR3: 00000001[ 85.734708] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 02fe6000 CR4: 00000000003506e0 # [ 82.566949] Call Trace: # [ 85.748867] RDX: ffff8aee7bdac660 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 [ 82.569705] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 82.[ 85.763038] RBP: ffffffffb9ac802b R08: 0000000000000000 R09: 0000000000000000 575070] direct_entry.cold+0x2c/0x38 # [ 82.585623] full_pro[ 85.777183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 xy_write+0x56/0x80 # [ 82.596118] vfs_write+0xea/0x390 # [ [ 85.791358] R13: ffffae86c2997f10 R14: ffffae86c2997f10 R15: ffff8aee03d99000 82.599837] ksys_write+0x68/0xe0 # [ 82.609719] do_syscall[ 85.805494] FS: 00007ff634cf8580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 _64+0x33/0x40 # [ 82.613728] entry_SYSCALL_64_after_hwframe+[ 85.820723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0x44/0xa9 # [ 82.625542] RIP: 0033:0x7f86324cff33 # [ 82.6[ 85.833314] CR2: 00007ff634b11000 CR3: 0000000103de0000 CR4: 00000000003506e0 29549] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff [ 85.847467] Call Trace: ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 85.856469] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 85.868319] direct_entry.cold+0x2c/0x38 48 89 54 24 18 # [ 82.656654] RSP: 002b:00007fff30bef0b8 EFLA[ 85.878595] full_proxy_write+0x56/0x80 GS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.665135] RAX: f[ 85.889349] vfs_write+0xea/0x390 fffffffffffffda RBX: 0000000000000016 RCX: 00007f86324cff33 # [[ 85.899181] ksys_write+0x68/0xe0 82.679312] RDX: 0000000000000016 RSI: 00007f86323c0000 RDI: 0[ 85.909038] do_syscall_64+0x33/0x40 000000000000001 # [ 82.693479] RBP: 00007f86323c0000 R08: 000[ 85.919052] entry_SYSCALL_64_after_hwframe+0x44/0xa9 07f86323bf010 R09: 0000000000000000 # [ 82.701454] R10: 00007[ 85.931038] RIP: 0033:0x7ff634c20f33 f86325ca1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 8[ 85.941138] 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 2.715592] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 85.968315] RSP: 002b:00007ffe64671ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000020000 # [ 82.723582] irq event stamp: 0 # [ 82.73320[ 85.982850] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff634c20f33 5] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 85.997003] RDX: 0000000000000016 RSI: 00007ff634b11000 RDI: 0000000000000001 82.740219] hardirqs last disabled at (0): [][ 86.011127] RBP: 00007ff634b11000 R08: 00007ff634b10010 R09: 0000000000000000 copy_process+0x63c/0x1c80 # [ 82.749359] softirqs last enab[ 86.025311] R10: 00007ff634d1b1c0 R11: 0000000000000246 R12: 0000000000000001 led at (0): [] copy_process+0x63c/0x1c80 # [ [ 86.039431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 82.758507] softirqs last disabled at (0): [<0000000000000000>][ 86.053649] irq event stamp: 0 0x0 # [ 82.765517] ---[ end trace aa8e3adb220bab70 ]--- # [[ 86.063168] hardirqs last enabled at (0): [<0000000000000000>] 0x0 82.770685] lkdtm: Overflow detected: saturated # REFCOUNT_AD[ 86.076532] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 D_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCO[ 86.091664] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 UNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_O[ 86.107146] softirqs last disabled at (0): [<0000000000000000>] 0x0 VERFLOW.sh # [ 83.066471] lkdtm: Performing direct entry REFC[ 86.120177] ---[ end trace aa8e3adb220bab74 ]--- OUNT_INC_NOT_ZERO_OVERFLOW # [ 83.074619] lkdtm: attempting b[ 86.131507] lkdtm: Negative detected: saturated ad refcount_inc_not_zero() overflow # [ 83.081561] ------------[ cut here ]------------ # [ 83.092920] refcount_t: saturated; leaking memory. # [ 83.098332] WARNING: CPU: 1 PID: 2123 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 83.113829] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.135941] CPU: 1 PID: 2123 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 83.150783] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.157405] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 83.163146] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 # [ 83.184081] RSP: 0018:ffffae86c2827e38 EFLAGS: 00010282 # [ 83.189933] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 83.197907] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 # [ 83.205885] RBP: ffffffffb9ac7c40 R08: 0000000000000000 R09: 0000000000000000 # [ 83.213868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 83.228018] R13: ffffae86c2827f10 R14: ffffae86c2827f10 R15: ffff8aee032c4000 # [ 83.235993] FS: 00007f93f2e69580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 # [ 83.245024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.251445] CR2: 00007f93f2c82000 CR3: 0000000104b3e000 CR4: 00000000003506e0 # [ 83.259409] Call Trace: # [ 83.262165] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 83.274505] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 83.286933] direct_entry.cold+0x2c/0x38 # [ 83.291331] full_proxy_write+0x56/0x80 # [ 83.295634] vfs_write+0xea/0x390 # [ 83.305509] ksys_write+0x68/0xe0 # [ 83.309232] do_syscall_64+0x33/0x40 # [ 83.313241] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 83.325060] RIP: 0033:0x7f93f2d91f33 # [ 83.329066] 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 # [ 83.356170] RSP: 002b:00007ffecfb8a508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.364625] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f93f2d91f33 # [ 83.378767] RDX: 000000000000001f RSI: 00007f93f2c82000 RDI: 0000000000000001 # [ 83.392917] RBP: 00007f93f2c82000 R08: 00007f93f2c81010 R09: 0000000000000000 # [ 83.400888] R10: 00007f93f2e8c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.408858] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.416848] irq event stamp: 0 # [ 83.426452] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.433463] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 83.442597] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 83.451732] softirqs last disabled at ([ 86.441403] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 0): [<0000000000000000>] 0x0 # [ 83.458739] ---[ end trace aa[ 86.453939] lkdtm: attempting bad refcount_dec_and_test() below zero 8e3adb220bab71 ]--- # [ 83.463904] lkdtm: Overflow detected: [ 86.467264] ------------[ cut here ]------------ saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': [ 86.478642] refcount_t: underflow; use-after-free. ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh #[ 86.490215] WARNING: CPU: 3 PID: 2257 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 83.7[ 86.505955] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 63570] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVER[ 86.527841] CPU: 3 PID: 2257 Comm: cat Tainted: G D W 5.10.128-cip10 #1 FLOW # [ 83.774173] lkdtm: attempting bad refcount_add_not_ze[ 86.542824] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ro() overflow # [ 83.787268] ------------[ cut here ]--------[ 86.555444] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 ---- # [ 83.798601] refcount_t: saturated; leaking memory. #[ 86.567404] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b a6 [ 83.810224] WARNING: CPU: 3 PID: 2155 at lib/refcount.c:19 r[ 86.594575] RSP: 0018:ffffae86c2a07e40 EFLAGS: 00010286 efcount_warn_saturate+0x87/0xf0 # [ 83.825691] Modules linked[ 86.606552] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_ligh[ 86.620792] RDX: ffff8aee7bdac660 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 tbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_n[ 86.634868] RBP: ffffffffb9ac7c80 R08: 0000000000000000 R09: 0000000000000000 otify # [ 83.847794] CPU: 3 PID: 2155 Comm: cat Tainted: G [ 86.649049] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f D W 5.10.128-cip10 #1 # [ 83.862643] Hardware name[ 86.663207] R13: ffffae86c2a07f10 R14: ffffae86c2a07f10 R15: ffff8aee0537e000 : Google Coral/Coral, BIOS 09/29/2020 # [ 83.875445] RIP: 00[ 86.677387] FS: 00007f700c529580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 10:refcount_warn_saturate+0x87/0xf0 # [ 83.887392] Code: 05 d[ 86.692582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4[ 86.705224] CR2: 00007f700c342000 CR3: 0000000103b7a000 CR4: 00000000003506e0 48 c7 c7 60 3a a6 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0[ 86.719359] Call Trace: b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 #[ 86.728336] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 83.914523] RSP: 0018:ffffae86c289fe38 EFLAGS: 00010282 # [[ 86.740584] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 83.926535] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0[ 86.753181] direct_entry.cold+0x2c/0x38 000000000000000 # [ 83.940693] RDX: ffff8aee7bdac660 RSI: fff[ 86.763603] full_proxy_write+0x56/0x80 f8aee7bd9bf70 RDI: ffff8aee7bd9bf70 # [ 83.954874] RBP: fffff[ 86.774160] vfs_write+0xea/0x390 fffb9ac7c60 R08: 0000000000000000 R09: 0000000000000000 # [ 8[ 86.783982] ksys_write+0x68/0xe0 3.969015] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 86.793910] do_syscall_64+0x33/0x40 0000000001f # [ 83.983210] R13: ffffae86c289ff10 R14: ffffae8[ 86.804048] entry_SYSCALL_64_after_hwframe+0x44/0xa9 6c289ff10 R15: ffff8aee05398000 # [ 83.997338] FS: 00007f247[ 86.816054] RIP: 0033:0x7f700c451f33 4a3e580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 [ 86.826149] 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 # [ 84.012579] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 86.853272] RSP: 002b:00007ffc7054d2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 33 # [ 84.025173] CR2: 00007f2474857000 CR3: 0000000103f9c000[ 86.867831] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f700c451f33 CR4: 00000000003506e0 # [ 84.039327] Call Trace: # [ 84.0[ 86.882091] RDX: 000000000000001f RSI: 00007f700c342000 RDI: 0000000000000001 48332] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 84.[ 86.896254] RBP: 00007f700c342000 R08: 00007f700c341010 R09: 0000000000000000 060961] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 8[ 86.910392] R10: 00007f700c54c1c0 R11: 0000000000000246 R12: 0000000000000001 4.073123] direct_entry.cold+0x2c/0x38 # [ 84.083895] full_p[ 86.924560] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 roxy_write+0x56/0x80 # [ 84.094274] vfs_write+0xea/0x390 # [ 86.938746] irq event stamp: 0 [ 84.104137] ksys_write+0x68/0xe0 # [ 84.113969] do_sysca[ 86.948265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ll_64+0x33/0x40 # [ 84.124174] entry_SYSCALL_64_after_hwfram[ 86.961517] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 e+0x44/0xa9 # [ 84.136000] RIP: 0033:0x7f2474966f33 # [ 84[ 86.976755] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 .146202] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff f[ 86.992049] softirqs last disabled at (0): [<0000000000000000>] 0x0 f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00[ 87.005320] ---[ end trace aa8e3adb220bab75 ]--- 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 87.016550] lkdtm: Negative detected: saturated 8 48 89 54 24 18 # [ 84.173320] RSP: 002b:00007ffe49122058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.188002] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f2474966f33 # [ 84.202128] RDX: 000000000000001f RSI: 00007f2474857000 RDI: 0000000000000001 # [ 84.216328] RBP: 00007f2474857000 R08: 00007f2474856010 R09: 0000000000000000 # [ 84.230456] R10: 00007f2474a611c0 R11: 0000000000000246 R12: 0000000000000001 # [ 84.244649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.258808] irq event stamp: 0 # [ 84.268439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.281613] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.296941] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.312242] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.325488] ---[ end trace aa8e3adb220bab72 ]--- # [ 84.336811] 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 # [ 84.648802] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 84.658238] lkdtm: attempting good refcount_dec() # [ 84.669671] lkdtm: attempting bad refcount_dec() to zero # [ 84.681735] ------------[ cut here ]------------ # [ 84.692859] refcount_t: decrement hit 0; leaking memory. # [ 84.705148] WARNING: CPU: 3 PID: 2187 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 84.720550] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.742726] CPU: 3 PID: 2187 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 84.757503] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.770373] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 84.782257] Code: ff 48 c7 c7 10 3b a6 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a a6 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 84.809410] RSP: 0018:ffffae86c2917e48 EFLAGS: 00010286 # [ 84.821411] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 84.835581] RDX: ffff8aee7bdac660 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 # [ 84.849719] RBP: ffffffffb9ac8019 R08: 0000000000000000 R09: 0000000000000000 # [ 84.863911] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 84.878047] R13: ffffae86c2917f10 R14: ffffae86c2917f10 R15: ffff8aee051e6000 # [ 84.892244] FS: 00007f723e709580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 84.907421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.920024] CR2: 00007f723e522000 CR3: 0000000103294000 CR4: 00000000003506e0 # [ 84.934176] Call Trace: # [ 84.943157] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 84.954273] direct_entry.cold+0x2c/0x38 # [ 84.964882] full_proxy_write+0x56/0x80 # [ 84.975288] vfs_write+0xea/0x390 # [ 84.985181] ksys_write+0x68/0xe0 # [ 84.995156] do_syscall_64+0x33/0x40 # [ 85.005267] entry_SYSCALL_64_after_hwframe+0x44/0xa[ 87.339490] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 87.351340] lkdtm: attempting bad refcount_sub_and_test() below zero [ 87.358480] ------------[ cut here ]------------ 9 # [ 85.017100] RIP: 0033:0x7f723e631f33 # [ 85.027265] C[ 87.363649] refcount_t: underflow; use-after-free. ode: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7[ 87.375244] WARNING: CPU: 0 PID: 2292 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f [ 87.390716] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.412833] CPU: 0 PID: 2292 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 87.421486] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.428113] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54[ 87.433865] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b a6 [ 87.461005] RSP: 0018:ffffae86c2aa7e40 EFLAGS: 00010286 24 18 # [ 85.054460] RSP: 002b:00007fffe372cdf8 EFLAGS: 0000[ 87.466855] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 87.481031] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 [ 87.489006] RBP: ffffffffb9ac7ca0 R08: 0000000000000000 R09: 0000000000000000 [ 87.496984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 87.504961] R13: ffffae86c2aa7f10 R14: ffffae86c2aa7f10 R15: ffff8aee03ba4000 [ 87.512944] FS: 00007f498c153580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 87.521989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.528418] CR2: 00007f498bf6c000 CR3: 000000010294a000 CR4: 00000000003506f0 [ 87.536395] Call Trace: [ 87.539145] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 87.545293] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 87.551537] direct_entry.cold+0x2c/0x38 [ 87.555939] full_proxy_write+0x56/0x80 [ 87.560243] vfs_write+0xea/0x390 [ 87.563966] ksys_write+0x68/0xe0 [ 87.567690] do_syscall_64+0x33/0x40 [ 87.571704] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.577365] RIP: 0033:0x7f498c07bf33 [ 87.581374] 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 [ 87.602339] RSP: 002b:00007ffee3eceb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.610809] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f498c07bf33 [ 87.618781] RDX: 000000000000001f RSI: 00007f498bf6c000 RDI: 0000000000000001 [ 87.626759] RBP: 00007f498bf6c000 R08: 00007f498bf6b010 R09: 0000000000000000 [ 87.634732] R10: 00007f498c1761c0 R11: 0000000000000246 R12: 0000000000000001 [ 87.642703] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.650684] irq event stamp: 0 0246 ORIG_RAX: 0000000000000001 # [ 85.069040] RAX: fffffffff[ 87.654105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffda RBX: 0000000000000012 RCX: 00007f723e631f33 # [ 85.08[ 87.667292] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 3214] RDX: 0000000000000012 RSI: 00007f723e522000 RDI: 000000000[ 87.682611] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 87.697921] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.704922] ---[ end trace aa8e3adb220bab76 ]--- [ 87.710091] lkdtm: Negative detected: saturated 0000001 # [ 85.097357] RBP: 00007f723e522000 R08: 00007f723e521010 R09: 0000000000000000 # [ 85.111524] R10: 00007f723e72c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.111528] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.111544] irq event stamp: 0 # [ 85.149471] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.162641] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.177977] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.193274] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.206464] ---[ end trace aa8e3adb220bab73 ]--- # [ 85.217847] 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 # [ 85.571104] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 85.582501] lkdtm: attempting bad refcount_dec() below zero # [ 85.594926] ------------[ cut here ]------------ # [ 85.606259] refcount_t: decrement hit 0; leaking memory. # [ 85.618418] WARNING: CPU: 3 PID: 2222 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 85.633911] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.655990] CPU: 3 PID: 2222 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 85.670843] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.683635] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 85.695586] Code: ff 48 c7 c7 10 3b a6 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a a6 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 85.722705] RSP: 0018:ffffae86c2997e48 EFLAGS: 00010286 # [ 85.734708] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 85.748867] RDX: ffff8aee7bdac660 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 # [ 85.763038] RBP: ffffffffb9ac802b R08: 0000000000000000 R09: 0000000000000000 # [ 85.777183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 85.791358] R13: ffffae86c2997f10 R14: ffffae86c2997f10 R15: ffff8aee03d99000 # [ 85.805494] FS: 00007ff634cf8580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 85.820723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.833314] CR2: 00007ff634b11000 CR3: 0000000103de0000 CR4: 00000000003506e0 # [ 85.847467] Call Trace: # [ 85.856469] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 85.868319] direct_entry.cold+0x2c/0x38 # [ 85.878595] full_proxy_write+0x56/0x80 # [ 85.889349] vfs_write+0xea/0x390 # [ 85.899181] ksys_write+0x68/0xe0 # [ 85.909038] do_syscall_64+0x33/0x40 # [ 85.919052] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.931038] RIP: 0033:0x7ff634c20f33 # [ 85.941138] 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 [ 88.013604] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 88.025114] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 88.032246] lkdtm: Good: zero detected ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.[ 88.036448] lkdtm: Correctly stayed at zero [ 88.047328] lkdtm: attempting bad refcount_inc() from zero [ 88.053463] ------------[ cut here ]------------ [ 88.058631] refcount_t: addition on 0; use-after-free. [ 88.064431] WARNING: CPU: 0 PID: 2324 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 968315] RSP: 002b:00007ffe64671ff8 EFLAGS: 00000246 ORIG_RAX: 00[ 88.073781] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 88.095856] CPU: 0 PID: 2324 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 88.104505] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.111130] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 88.116882] Code: 05 f4 30 76 01 01 e8 2d ec 95 00 0f 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 05 d4 30 76 01 01 e8 0e ec 95 00 <0f> 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 00000000000001 # [ 85.982850] RAX: ffffffffffffffda RBX: 0000[ 88.137832] RSP: 0018:ffffae86c2b37e48 EFLAGS: 00010286 [ 88.149859] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 000000000016 RCX: 00007ff634c20f33 # [ 85.997003] RDX: 000000[ 88.157830] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 [ 88.171990] RBP: ffffffffb9ac8041 R08: 0000000000000000 R09: 0000000000000000 [ 88.179963] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 88.187942] R13: ffffae86c2b37f10 R14: ffffae86c2b37f10 R15: ffff8aee053ce000 [ 88.195920] FS: 00007feaf9f48580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 88.204969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.211395] CR2: 00007feaf9d61000 CR3: 0000000105c9a000 CR4: 00000000003506f0 0000000016 RSI: 00007ff634b11000 RDI: 0000000000000001 # [ 86[ 88.219377] Call Trace: .011127] RBP: 00007ff634b11000 R08: 00007ff634b10010 R09: 000000[ 88.228315] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd [ 88.239482] direct_entry.cold+0x2c/0x38 0000000000 # [ 86.025311] R10: 00007ff634d1b1c0 R11: 00000000[ 88.243888] full_proxy_write+0x56/0x80 [ 88.254369] vfs_write+0xea/0x390 [ 88.258096] ksys_write+0x68/0xe0 [ 88.261822] do_syscall_64+0x33/0x40 [ 88.265838] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.271498] RIP: 0033:0x7feaf9e70f33 [ 88.275509] 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 [ 88.296448] RSP: 002b:00007ffc591f6d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.304910] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007feaf9e70f33 00000246 R12: 0000000000000001 # [ 86.039431] R13: 0000000000[ 88.312882] RDX: 0000000000000012 RSI: 00007feaf9d61000 RDI: 0000000000000001 [ 88.327049] RBP: 00007feaf9d61000 R08: 00007feaf9d60010 R09: 0000000000000000 [ 88.335028] R10: 00007feaf9f6b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 88.343002] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.350985] irq event stamp: 0 [ 88.354413] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 88.361425] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 88.370565] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 88.379696] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.386700] ---[ end trace aa8e3adb220bab77 ]--- [ 88.391854] lkdtm: Zero detected: saturated 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.053649] irq event stamp: 0 # [ 86.063168] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.076532] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.091664] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.107146] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.120177] ---[ end trace aa8e3adb220bab74 ]--- # [ 86.131507] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 86.441403] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 86.453939] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 86.467264] ------------[ cut here ]------------ # [ 86.478642] refcount_t: underflow; use-after-free. # [ 86.490215] WARNING: CPU: 3 PID: 2257 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 86.505955] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.527841] CPU: 3 PID: 2257 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 86.542824] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.555444] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 86.567404] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b a6 # [ 86.594575] RSP: 0018:ffffae86c2a07e40 EFLAGS: 00010286 # [ 86.606552] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 86.620792] RDX: ffff8aee7bdac660 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 # [ 86.634868] RBP: ffffffffb9ac7c80 R08: 0000000000000000 R09: 0000000000000000 # [ 86.649049] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.663207] R13: ffffae86c2a07f10 R14: ffffae86c2a07f10 R15: ffff8aee0537e000 # [ 86.677387] FS: 00007f700c529580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 86.692582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.705224] CR2: 00007f700c342000 CR3: 0000000103b7a000 CR4: 00000000003506e0 # [ 86.719359] Call Trace: # [ 86.728336] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 86.740584] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 86.753181] direct_entry.cold+0x2c/0x38 # [ 86.763603] full_proxy_write+0x56/0x80 # [ 86.774160] vfs_write+0xea/0x390 # [ 86.783982] ksys_write+0x68/0xe0 # [ 86.793910] do_syscall_64+0x33/0x40 # [ 86.804048] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 86.816054] RIP: 0033:0x7f700c451f33 # [ 86.826149] 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 # [ 86.853272] RSP: 002b:00007ffc7054d2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.867831] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 000[ 88.707639] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 07f700c451f33 # [ 86.882091] RDX: 000000000000001f RSI: 00007[ 88.718857] lkdtm: attempting safe refcount_add_not_zero() from zero f700c342000 RDI: 0000000000000001 # [ 86.896254] RBP: 00007f7[ 88.732169] lkdtm: Good: zero detected [ 88.742550] lkdtm: Correctly stayed at zero [ 88.747233] lkdtm: attempting bad refcount_add() from zero [ 88.753367] ------------[ cut here ]------------ [ 88.758534] refcount_t: addition on 0; use-after-free. 00c342000 R08: 00007f700c341010 R09: 0000000000000000 # [ 86.[ 88.764335] WARNING: CPU: 1 PID: 2356 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 910392] R10: 00007f700c54c1c0 R11: 0000000000000246 R12: 0000000[ 88.779826] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 88.801944] CPU: 1 PID: 2356 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 88.810591] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.817216] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 88.822958] Code: 05 f4 30 76 01 01 e8 2d ec 95 00 0f 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 05 d4 30 76 01 01 e8 0e ec 95 00 <0f> 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 [ 88.843914] RSP: 0018:ffffae86c2bd7e48 EFLAGS: 00010286 [ 88.849769] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 88.857730] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 [ 88.865712] RBP: ffffffffb9ac8053 R08: 0000000000000000 R09: 0000000000000000 000000001 # [ 86.924560] R13: 0000000000000001 R14: 000000000[ 88.873687] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 0020000 R15: 0000000000020000 # [ 86.938746] irq event stamp:[ 88.887823] R13: ffffae86c2bd7f10 R14: ffffae86c2bd7f10 R15: ffff8aee02b17000 0 # [ 86.948265] hardirqs last enabled at (0): [<0000000000[ 88.901984] FS: 00007f12c87ed580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 000000>] 0x0 # [ 86.961517] hardirqs last disabled at (0): [<[ 88.917203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffffffb82f9f9c>] copy_process+0x63c/0x1c80 # [ 86.976755] s[ 88.929812] CR2: 00007f12c8606000 CR3: 0000000104abc000 CR4: 00000000003506e0 oftirqs last enabled at (0): [] copy_process+[ 88.943970] Call Trace: 0x63c/0x1c80 # [ 86.992049] softirqs last disabled at (0): [<[ 88.952909] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd 0000000000000000>] 0x0 # [ 87.005320] ---[ end trace aa8e3adb[ 88.964059] direct_entry.cold+0x2c/0x38 220bab75 ]--- # [ 87.016550] lkdtm: Negative detected: satura[ 88.974639] full_proxy_write+0x56/0x80 ted # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: s[ 88.985115] vfs_write+0xea/0x390 aturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEG[ 88.995002] ksys_write+0x68/0xe0 ATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh[ 89.004885] do_syscall_64+0x33/0x40 # [ 87.339490] lkdtm: Performing direct entry REFCOUNT_SUB_AN[ 89.015065] entry_SYSCALL_64_after_hwframe+0x44/0xa9 D_TEST_NEGATIVE # [ 87.351340] lkdtm: attempting bad refcount[ 89.026906] RIP: 0033:0x7f12c8715f33 _sub_and_test() below zero # [ 87.358480] ------------[ cut h[ 89.037095] 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 ere ]------------ # [ 87.363649] refcount_t: underflow; use-a[ 89.064254] RSP: 002b:00007ffe8b2ac1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fter-free. # [ 87.375244] WARNING: CPU: 0 PID: 2292 at lib/re[ 89.078881] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f12c8715f33 fcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 87.390716] M[ 89.093030] RDX: 0000000000000012 RSI: 00007f12c8606000 RDI: 0000000000000001 odules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev[ 89.107192] RBP: 00007f12c8606000 R08: 00007f12c8605010 R09: 0000000000000000 cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev[ 89.121345] R10: 00007f12c88101c0 R11: 0000000000000246 R12: 0000000000000001 cros_usbpd_notify # [ 87.412833] CPU: 0 PID: 2292 Comm: cat [ 89.135505] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Tainted: G D W 5.10.128-cip10 #1 # [ 87.421486] [ 89.149681] irq event stamp: 0 Hardware name: Google Coral/Coral, BIOS 09/29/2020[ 89.159278] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.171220] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 89.180529] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.428113] RIP: 0010:refcount_warn_saturate+0xa6/0xf0[ 89.189667] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.202376] ---[ end trace aa8e3adb220bab78 ]--- [ 89.207535] lkdtm: Zero detected: saturated # [ 87.433865] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b a6 # [ 87.461005] RSP: 0018:ffffae86c2aa7e40 EFLAGS: 00010286 # [ 87.466855] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 87.481031] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 # [ 87.489006] RBP: ffffffffb9ac7ca0 R08: 0000000000000000 R09: 0000000000000000 # [ 87.496984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 87.504961] R13: ffffae86c2aa7f10 R14: ffffae86c2aa7f10 R15: ffff8aee03ba4000 # [ 87.512944] FS: 00007f498c153580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 87.521989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.528418] CR2: 00007f498bf6c000 CR3: 000000010294a000 CR4: 00000000003506f0 # [ 87.536395] Call Trace: # [ 87.539145] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 87.545293] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 87.551537] direct_entry.cold+0x2c/0x38 # [ 87.555939] full_proxy_write+0x56/0x80 # [ 87.560243] vfs_write+0xea/0x390 # [ 87.563966] ksys_write+0x68/0xe0 # [ 87.567690] do_syscall_64+0x33/0x40 # [ 87.571704] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.577365] RIP: 0033:0x7f498c07bf33 # [ 87.581374] 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 # [ 87.602339] RSP: 002b:00007ffee3eceb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.610809] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f498c07bf33 # [ 87.618781] RDX: 000000000000001f RSI: 00007f498bf6c000 RDI: 0000000000000001 # [ 87.626759] RBP: 00007f498bf6c000 R08: 00007f498bf6b010 R09: 0000000000000000 # [ 87.634732] R10: 00007f498c1761c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.642703] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.650684] irq event stamp: 0 # [ 87.654105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.667292] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.682611] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.697921] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.704922] ---[ end trace aa8e3adb220bab76 ]--- # [ 87.710091] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 88.013604] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 88.025114] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 88.032246] lkdtm: Good: zero detected # [ 88.036448] lkdtm: Correctly stayed at zero # [ 88.047328] lkdtm: attempting bad refcount_inc() from zero # [ 88.053463] ------------[ cut here ]------------ # [ 88.058631] refcount_t: addition on 0; use-after-free. # [ 88.064431] WARNING: CPU: 0 PID: 2324 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf[ 89.528929] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 89.541422] lkdtm: attempting bad refcount_inc() from saturated [ 89.548066] ------------[ cut here ]------------ 0 # [ 88.073781] Modules linked in: fuse ip_tables cros_ec_de[ 89.553242] refcount_t: saturated; leaking memory. bugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_tem[ 89.564826] WARNING: CPU: 0 PID: 2391 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 89.580305] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.596266] CPU: 0 PID: 2391 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 89.604915] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.611536] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 89.617287] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a a6 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 05 d4 [ 89.638231] RSP: 0018:ffffae86c2c5fe48 EFLAGS: 00010286 [ 89.644083] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 89.652062] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 [ 89.660038] RBP: ffffffffb9ac8065 R08: 0000000000000000 R09: 0000000000000000 [ 89.668008] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 89.675977] R13: ffffae86c2c5ff10 R14: ffffae86c2c5ff10 R15: ffff8aee03a6d000 [ 89.683950] FS: 00007f9f66d9d580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 89.692984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.699407] CR2: 00007f9f66bb6000 CR3: 0000000102650000 CR4: 00000000003506f0 [ 89.707381] Call Trace: [ 89.710137] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 [ 89.715601] direct_entry.cold+0x2c/0x38 [ 89.720001] full_proxy_write+0x56/0x80 [ 89.724312] vfs_write+0xea/0x390 [ 89.728030] ksys_write+0x68/0xe0 [ 89.731751] do_syscall_64+0x33/0x40 [ 89.735768] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.741419] RIP: 0033:0x7f9f66cc5f33 [ 89.745427] 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 [ 89.766366] RSP: 002b:00007ffd23c9cd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.774826] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9f66cc5f33 [ 89.782800] RDX: 0000000000000017 RSI: 00007f9f66bb6000 RDI: 0000000000000001 [ 89.790780] RBP: 00007f9f66bb6000 R08: 00007f9f66bb5010 R09: 0000000000000000 [ 89.798762] R10: 00007f9f66dc01c0 R11: 0000000000000246 R12: 0000000000000001 [ 89.806734] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 89.814722] irq event stamp: 0 [ 89.818149] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.825165] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 p_thermal cros_ec_dev cros_usbpd_notify # [ 88.095856] CPU: 0[ 89.834312] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 PID: 2324 Comm: cat Tainted: G D W 5.10.128-cip10 [ 89.849639] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.862842] ---[ end trace aa8e3adb220bab79 ]--- [ 89.868011] lkdtm: Saturation detected: still saturated #1 # [ 88.104505] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.111130] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 88.116882] Code: 05 f4 30 76 01 01 e8 2d ec 95 00 0f 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 05 d4 30 76 01 01 e8 0e ec 95 00 <0f> 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 # [ 88.137832] RSP: 0018:ffffae86c2b37e48 EFLAGS: 00010286 # [ 88.149859] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 88.157830] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 # [ 88.171990] RBP: ffffffffb9ac8041 R08: 0000000000000000 R09: 0000000000000000 # [ 88.179963] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 88.187942] R13: ffffae86c2b37f10 R14: ffffae86c2b37f10 R15: ffff8aee053ce000 # [ 88.195920] FS: 00007feaf9f48580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 88.204969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.211395] CR2: 00007feaf9d61000 CR3: 0000000105c9a000 CR4: 00000000003506f0 # [ 88.219377] Call Trace: # [ 88.228315] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 88.239482] direct_entry.cold+0x2c/0x38 # [ 88.243888] full_proxy_write+0x56/0x80 # [ 88.254369] vfs_write+0xea/0x390 # [ 88.258096] ksys_write+0x68/0xe0 # [ 88.261822] do_syscall_64+0x33/0x40 # [ 88.265838] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 88.271498] RIP: 0033:0x7feaf9e70f33 # [ 88.275509] 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 # [ 88.296448] RSP: 002b:00007ffc591f6d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.304910] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007feaf9e70f33 # [ 88.312882] RDX: 0000000000000012 RSI: 00007feaf9d61000 RDI: 0000000000000001 # [ 88.327049] RBP: 00007feaf9d61000 R08: 00007feaf9d60010 R09: 0000000000000000 # [ 88.335028] R10: 00007feaf9f6b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.343002] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.350985] irq event stamp: 0 # [ 88.354413] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.361425] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.370565] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.379696] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.386700] ---[ end trace aa8e3adb220bab77 ]--- # [ 88.391854] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 88.707639] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 88.718857] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 88.732169] lkdtm: Good: zero detected # [ 88.742550] lkdtm: Correctly stayed at zero # [ 88.747233] lkdtm: attempting bad refcount_add() from zero # [ 88.753367] ------------[ cut here ]------------ # [ 88.758534] refcount_t: addition on 0; use-after-free. # [ 88.764335] WARN[ 90.184731] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 90.196660] lkdtm: attempting bad refcount_dec() from saturated ING: CPU: 1 PID: 2356 at lib/refcount.c:25 refcount_warn_saturat[ 90.203281] ------------[ cut here ]------------ [ 90.214618] refcount_t: decrement hit 0; leaking memory. e+0x68/0xf0 # [ 88.779826] Modules linked in: fuse ip_tables [ 90.220608] WARNING: CPU: 1 PID: 2426 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 90.236048] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 90.252005] CPU: 1 PID: 2426 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 90.260656] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 90.267277] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 90.273026] Code: ff 48 c7 c7 10 3b a6 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a a6 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 90.293973] RSP: 0018:ffffae86c2cc7e48 EFLAGS: 00010286 [ 90.299817] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 90.307793] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 [ 90.315775] RBP: ffffffffb9ac807c R08: 0000000000000000 R09: 0000000000000000 [ 90.323768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 90.331740] R13: ffffae86c2cc7f10 R14: ffffae86c2cc7f10 R15: ffff8aee03b9d000 [ 90.339714] FS: 00007fdf76274580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 [ 90.348760] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.355184] CR2: 00007fdf7608d000 CR3: 0000000105c10000 CR4: 00000000003506e0 [ 90.363158] Call Trace: [ 90.365913] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 90.371378] direct_entry.cold+0x2c/0x38 [ 90.375778] full_proxy_write+0x56/0x80 [ 90.380088] vfs_write+0xea/0x390 cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x[ 90.383801] ksys_write+0x68/0xe0 [ 90.393689] do_syscall_64+0x33/0x40 [ 90.397700] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.403353] RIP: 0033:0x7fdf7619cf33 [ 90.407357] 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 [ 90.428300] RSP: 002b:00007ffe03160d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.436766] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdf7619cf33 [ 90.444742] RDX: 0000000000000017 RSI: 00007fdf7608d000 RDI: 0000000000000001 [ 90.452715] RBP: 00007fdf7608d000 R08: 00007fdf7608c010 R09: 0000000000000000 [ 90.460688] R10: 00007fdf762971c0 R11: 0000000000000246 R12: 0000000000000001 86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.8019[ 90.468654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 44] CPU: 1 PID: 2356 Comm: cat Tainted: G D W 5.10.[ 90.482821] irq event stamp: 0 128-cip10 #1 # [ 88.810591] Hardware name: Google Coral/Coral[ 90.492429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 90.505617] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 , BIOS 09/29/2020 # [ 88.817216] RIP: 0010:refcount_warn_sat[ 90.514771] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 90.530059] softirqs last disabled at (0): [<0000000000000000>] 0x0 urate+0x68/0xf0 # [ 88.822958] Code: 05 f4 30 76 01 01 e8 2d [ 90.537095] ---[ end trace aa8e3adb220bab7a ]--- ec 95 00 0f 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b[ 90.548447] lkdtm: Saturation detected: still saturated 9 c6 05 d4 30 76 01 01 e8 0e ec 95 00 <0f> 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 # [ 88.843914] RSP: 0018:ffffae86c2bd7e48 EFLAGS: 00010286 # [ 88.849769] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 88.857730] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 # [ 88.865712] RBP: ffffffffb9ac8053 R08: 0000000000000000 R09: 0000000000000000 # [ 88.873687] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 88.887823] R13: ffffae86c2bd7f10 R14: ffffae86c2bd7f10 R15: ffff8aee02b17000 # [ 88.901984] FS: 00007f12c87ed580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 # [ 88.917203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.929812] CR2: 00007f12c8606000 CR3: 0000000104abc000 CR4: 00000000003506e0 # [ 88.943970] Call Trace: # [ 88.952909] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 88.964059] direct_entry.cold+0x2c/0x38 # [ 88.974639] full_proxy_write+0x56/0x80 # [ 88.985115] vfs_write+0xea/0x390 # [ 88.995002] ksys_write+0x68/0xe0 # [ 89.004885] do_syscall_64+0x33/0x40 # [ 89.015065] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.026906] RIP: 0033:0x7f12c8715f33 # [ 89.037095] 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 # [ 89.064254] RSP: 002b:00007ffe8b2ac1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.078881] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f12c8715f33 # [ 89.093030] RDX: 0000000000000012 RSI: 00007f12c8606000 RDI: 0000000000000001 # [ 89.107192] RBP: 00007f12c8606000 R08: 00007f12c8605010 R09: 0000000000000000 # [ 89.121345] R10: 00007f12c88101c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.135505] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.149681] irq event stamp: 0 # [ 89.159278] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.171220] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.180529] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.189667] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.202376] ---[ end trace aa8e3adb220bab78 ]--- # [ 89.207535] 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 # [ 89.528929] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 89.541422] lkdtm: attempting bad refcount_inc() from saturated # [ 89.548066] ------------[ cut here ]------------ # [ 89.553242] refcount_t: saturated; leaking memory. # [ 89.564826] WARNING: CPU: 0 PID: 2391 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 89.580305] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.596266] CPU: 0 PID: 2391 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 89.604915] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.611536] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 89.617287] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a a6 b9 c6 05 f4 30 76 01 0[ 90.889812] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 90.901813] lkdtm: attempting bad refcount_dec() from saturated [ 90.908444] ------------[ cut here ]------------ 1 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 [ 90.913607] refcount_t: saturated; leaking memory. 88 3a a6 b9 c6 05 d4 # [ 89.638231] RSP: 0018:ffffae86c2c5fe4[ 90.925207] WARNING: CPU: 0 PID: 2461 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 90.940736] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8 EFLAGS: 00010286 # [ 89.644083] RAX: 0000000000000000 RBX: [ 90.956751] CPU: 0 PID: 2461 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 90.971585] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 90.978205] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 90.983951] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a a6 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 05 d4 [ 91.004889] RSP: 0018:ffffae86c2d67e48 EFLAGS: 00010286 [ 91.010734] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 91.018709] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 [ 91.026683] RBP: ffffffffb9ac8093 R08: 0000000000000000 R09: 0000000000000000 [ 91.034653] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 91.042622] R13: ffffae86c2d67f10 R14: ffffae86c2d67f10 R15: ffff8aee04bbf000 [ 91.050593] FS: 00007f9ed2a8a580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 91.059627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.066049] CR2: 00007f9ed28a3000 CR3: 0000000100954000 CR4: 00000000003506f0 [ 91.074008] Call Trace: [ 91.076771] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 [ 91.082225] direct_entry.cold+0x2c/0x38 [ 91.086619] full_proxy_write+0x56/0x80 [ 91.090917] vfs_write+0xea/0x390 [ 91.094633] ksys_write+0x68/0xe0 [ 91.098350] do_syscall_64+0x33/0x40 [ 91.102355] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.108005] RIP: 0033:0x7f9ed29b2f33 [ 91.112007] 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 [ 91.132942] RSP: 002b:00007ffffbb2f658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.141399] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9ed29b2f33 [ 91.149363] RDX: 0000000000000017 RSI: 00007f9ed28a3000 RDI: 0000000000000001 [ 91.157334] RBP: 00007f9ed28a3000 R08: 00007f9ed28a2010 R09: 0000000000000000 [ 91.165304] R10: 00007f9ed2aad1c0 R11: 0000000000000246 R12: 0000000000000001 0000000000000035 RCX: 0000000000000000 # [ 89.652062] RDX: ff[ 91.173265] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 # [ [ 91.187435] irq event stamp: 0 [ 91.197028] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.204043] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 91.213185] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 91.222319] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.229321] ---[ end trace aa8e3adb220bab7b ]--- [ 91.234484] lkdtm: Saturation detected: still saturated 89.660038] RBP: ffffffffb9ac8065 R08: 0000000000000000 R09: 0000000000000000 # [ 89.668008] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 89.675977] R13: ffffae86c2c5ff10 R14: ffffae86c2c5ff10 R15: ffff8aee03a6d000 # [ 89.683950] FS: 00007f9f66d9d580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 89.692984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.699407] CR2: 00007f9f66bb6000 CR3: 0000000102650000 CR4: 00000000003506f0 # [ 89.707381] Call Trace: # [ 89.710137] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 89.715601] direct_entry.cold+0x2c/0x38 # [ 89.720001] full_proxy_write+0x56/0x80 # [ 89.724312] vfs_write+0xea/0x390 # [ 89.728030] ksys_write+0x68/0xe0 # [ 89.731751] do_syscall_64+0x33/0x40 # [ 89.735768] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.741419] RIP: 0033:0x7f9f66cc5f33 # [ 89.745427] 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 # [ 89.766366] RSP: 002b:00007ffd23c9cd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.774826] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9f66cc5f33 # [ 89.782800] RDX: 0000000000000017 RSI: 00007f9f66bb6000 RDI: 0000000000000001 # [ 89.790780] RBP: 00007f9f66bb6000 R08: 00007f9f66bb5010 R09: 0000000000000000 # [ 89.798762] R10: 00007f9f66dc01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.806734] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.814722] irq event stamp: 0 # [ 89.818149] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.825165] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.834312] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.849639] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.862842] ---[ end trace aa8e3adb220bab79 ]--- # [ 89.868011] 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 # [ 90.184731] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 90.196660] lkdtm: attempting bad refcount_dec() from saturated # [ 90.203281] ------------[ cut here ]------------ # [ 90.214618] refcount_t: decrement hit 0; leaking memory. # [ 90.220608] WARNING: CPU: 1 PID: 2426 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 90.236048] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.252005] CPU: 1 PID: 2426 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 90.260656] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.267277] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 90.273026] Code: ff 48 c7 c7 10 3b a6 b9 c6 05 70 30 76 01 01 e8 ad eb 95 00 0f 0b c3 48 c7 c7 e0 3a a6 b9 c6 05 5b 30 76 01 01 e8 97 eb 95 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 90.293973] RSP: 0018:ffffae86c2cc7e48 EFLAGS: 00010286 # [ 90.299817] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 00000[ 91.562906] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 91.576603] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 91.584127] ------------[ cut here ]------------ 00000000000 # [ 90.307793] RDX: ffff8aee7bcac660 RSI: ffff8ae[ 91.589303] refcount_t: saturated; leaking memory. e7bc9bf70 RDI: ffff8aee7bc9bf70 # [ 90.315775] RBP: ffffffffb[ 91.600915] WARNING: CPU: 0 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 91.616425] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 9ac807c R08: 0000000000000000 R09: 0000000000000000 # [ 90.32[ 91.632427] CPU: 0 PID: 2493 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 91.647304] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.653936] RIP: 0010:refcount_warn_saturate+0x87/0xf0 3768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 91.659690] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 [ 91.686801] RSP: 0018:ffffae86c2dd7e38 EFLAGS: 00010282 [ 91.692651] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 91.700623] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 [ 91.708590] RBP: ffffffffb9ac7cc0 R08: 0000000000000000 R09: 0000000000000000 [ 91.716562] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 91.724529] R13: ffffae86c2dd7f10 R14: ffffae86c2dd7f10 R15: ffff8aee05f15000 [ 91.732502] FS: 00007fe4b422b580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 91.741542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.747969] CR2: 00007fe4b4044000 CR3: 00000001053d4000 CR4: 00000000003506f0 [ 91.755941] Call Trace: [ 91.758701] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 91.764847] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 [ 91.771180] direct_entry.cold+0x2c/0x38 [ 91.775582] full_proxy_write+0x56/0x80 [ 91.779884] vfs_write+0xea/0x390 [ 91.783608] ksys_write+0x68/0xe0 [ 91.787331] do_syscall_64+0x33/0x40 [ 91.791343] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.796992] RIP: 0033:0x7fe4b4153f33 [ 91.801001] 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 [ 91.821953] RSP: 002b:00007ffde2b5faa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.830416] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe4b4153f33 [ 91.838386] RDX: 0000000000000020 RSI: 00007fe4b4044000 RDI: 0000000000000001 [ 91.846360] RBP: 00007fe4b4044000 R08: 00007fe4b4043010 R09: 0000000000000000 [ 91.854335] R10: 00007fe4b424e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 91.862305] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000017 # [ 90.331740] R13: ffffae86c2cc7f10 R14: ffffae86c2c[ 91.870286] irq event stamp: 0 c7f10 R15: ffff8aee03b9d000 # [ 90.339714] FS: 00007fdf76274[ 91.879886] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.893106] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 91.902253] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 91.911384] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.918392] ---[ end trace aa8e3adb220bab7c ]--- [ 91.923559] lkdtm: Saturation detected: still saturated 580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 # [ 90.348760] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.355184] CR2: 00007fdf7608d000 CR3: 0000000105c10000 CR4: 00000000003506e0 # [ 90.363158] Call Trace: # [ 90.365913] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 90.371378] direct_entry.cold+0x2c/0x38 # [ 90.375778] full_proxy_write+0x56/0x80 # [ 90.380088] vfs_write+0xea/0x390 # [ 90.383801] ksys_write+0x68/0xe0 # [ 90.393689] do_syscall_64+0x33/0x40 # [ 90.397700] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.403353] RIP: 0033:0x7fdf7619cf33 # [ 90.407357] 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 # [ 90.428300] RSP: 002b:00007ffe03160d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.436766] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdf7619cf33 # [ 90.444742] RDX: 0000000000000017 RSI: 00007fdf7608d000 RDI: 0000000000000001 # [ 90.452715] RBP: 00007fdf7608d000 R08: 00007fdf7608c010 R09: 0000000000000000 # [ 90.460688] R10: 00007fdf762971c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.468654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.482821] irq event stamp: 0 # [ 90.492429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.505617] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.514771] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.530059] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.537095] ---[ end trace aa8e3adb220bab7a ]--- # [ 90.548447] 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 # [ 90.889812] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 90.901813] lkdtm: attempting bad refcount_dec() from saturated # [ 90.908444] ------------[ cut here ]------------ # [ 90.913607] refcount_t: saturated; leaking memory. # [ 90.925207] WARNING: CPU: 0 PID: 2461 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 90.940736] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.956751] CPU: 0 PID: 2461 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 90.971585] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.978205] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 90.983951] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 04 31 76 01 00 75 f2 48 c7 c7 60 3a a6 b9 c6 05 f4 30 76 01 01 e8 2d ec 95 00 <0f> 0b c3 80 3d e4 30 76 01 00 75 d3 48 c7 c7 88 3a a6 b9 c6 05 d4 # [ 91.004889] RSP: 0018:ffffae86c2d67e48 EFLAGS: 00010286 # [ 91.010734] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 91.018709] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 # [ 91.026683] RBP: ffffffffb9ac8093 R08: 0000000000000000 R09: 0000000000000000 # [ 91.034653] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 91.042622] R13: ff[ 92.253636] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED ffae86c2d67f10 R14: ffffae86c2d67f10 R15: ffff8aee04bbf000 # [ [ 92.265623] lkdtm: attempting bad refcount_add_not_zero() from saturated 91.050593] FS: 00007f9ed2a8a580(0000) GS:ffff8aee7bc00000(000[ 92.279301] ------------[ cut here ]------------ 0) knlGS:0000000000000000 # [ 91.059627] CS: 0010 DS: 0000 E[ 92.290673] refcount_t: saturated; leaking memory. S: 0000 CR0: 0000000080050033 # [ 91.066049] CR2: 00007f9ed28[ 92.302242] WARNING: CPU: 3 PID: 2525 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 a3000 CR3: 0000000100954000 CR4: 00000000003506f0 # [ 91.0740[ 92.317724] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 08] Call Trace: # [ 91.076771] lkdtm_REFCOUNT_ADD_SATURATED+[ 92.339802] CPU: 3 PID: 2525 Comm: cat Tainted: G D W 5.10.128-cip10 #1 0x3c/0x60 # [ 91.082225] direct_entry.cold+0x2c/0x38 # [ [ 92.354638] Hardware name: Google Coral/Coral, BIOS 09/29/2020 91.086619] full_proxy_write+0x56/0x80 # [ 91.090917] vfs_wr[ 92.367436] RIP: 0010:refcount_warn_saturate+0x87/0xf0 ite+0xea/0x390 # [ 91.094633] ksys_write+0x68/0xe0 # [ 91[ 92.379390] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 .098350] do_syscall_64+0x33/0x40 # [ 91.102355] entry_SYSCA[ 92.406490] RSP: 0018:ffffae86c2e3fe38 EFLAGS: 00010282 LL_64_after_hwframe+0x44/0xa9 # [ 91.108005] RIP: 0033:0x7f9e[ 92.418539] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 d29b2f33 # [ 91.112007] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 0[ 92.432677] RDX: ffff8aee7bdac660 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 92.446854] RBP: ffffffffb9ac7ce0 R08: 0000000000000000 R09: 0000000000000000 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 92.461005] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 f 40 00 48 83 ec 28 48 89 54 24 18 # [ 91.132942] RSP: 002b:0[ 92.475170] R13: ffffae86c2e3ff10 R14: ffffae86c2e3ff10 R15: ffff8aee02af7000 0007ffffbb2f658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 92.489322] FS: 00007fcebd6ba580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 91.141399] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 0[ 92.504545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0007f9ed29b2f33 # [ 91.149363] RDX: 0000000000000017 RSI: 000[ 92.517174] CR2: 00007fcebd4d3000 CR3: 00000001052b2000 CR4: 00000000003506e0 07f9ed28a3000 RDI: 0000000000000001 # [ 91.157334] RBP: 00007[ 92.531317] Call Trace: f9ed28a3000 R08: 00007f9ed28a2010 R09: 0000000000000000 # [ 9[ 92.540286] __refcount_add_not_zero.constprop.0+0x2a/0x31 1.165304] R10: 00007f9ed2aad1c0 R11: 0000000000000246 R12: 00000[ 92.552663] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 00000000001 # [ 91.173265] R13: 0000000000000001 R14: 0000000[ 92.565446] direct_entry.cold+0x2c/0x38 000020000 R15: 0000000000020000 # [ 91.187435] irq event stam[ 92.575820] full_proxy_write+0x56/0x80 p: 0 # [ 91.197028] hardirqs last enabled at (0): [<00000000[ 92.586430] vfs_write+0xea/0x390 00000000>] 0x0 # [ 91.204043] hardirqs last disabled at (0): [ 92.596133] ksys_write+0x68/0xe0 [] copy_process+0x63c/0x1c80 # [ 91.213185][ 92.606060] do_syscall_64+0x33/0x40 softirqs last enabled at (0): [] copy_proces[ 92.616295] entry_SYSCALL_64_after_hwframe+0x44/0xa9 s+0x63c/0x1c80 # [ 91.222319] softirqs last disabled at (0): [ 92.628057] RIP: 0033:0x7fcebd5e2f33 [<0000000000000000>] 0x0 # [ 91.229321] ---[ end trace aa8e3a[ 92.638277] 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 db220bab7b ]--- # [ 91.234484] lkdtm: Saturation detected: st[ 92.665481] RSP: 002b:00007ffd3cc62938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ill saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detecte[ 92.679985] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcebd5e2f33 d: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SA[ 92.694169] RDX: 0000000000000020 RSI: 00007fcebd4d3000 RDI: 0000000000000001 TURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.[ 92.708264] RBP: 00007fcebd4d3000 R08: 00007fcebd4d2010 R09: 0000000000000000 sh # [ 91.562906] lkdtm: Performing direct entry REFCOUNT_INC[ 92.722448] R10: 00007fcebd6dd1c0 R11: 0000000000000246 R12: 0000000000000001 _NOT_ZERO_SATURATED # [ 91.576603] lkdtm: attempting bad refc[ 92.736571] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ount_inc_not_zero() from saturated # [ 91.584127] -----------[ 92.750836] irq event stamp: 0 -[ cut here ]------------ # [ 91.589303] refcount_t: saturate[ 92.760301] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d; leaking memory. # [ 91.600915] WARNING: CPU: 0 PID: 2493 a[ 92.773601] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 t lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 91.6[ 92.788900] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 16425] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec[ 92.804259] softirqs last disabled at (0): [<0000000000000000>] 0x0 _chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cro[ 92.817404] ---[ end trace aa8e3adb220bab7d ]--- s_ec_dev cros_usbpd_notify # [ 91.632427] CPU: 0 PID: 2493 Co[ 92.828778] lkdtm: Saturation detected: still saturated mm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 91.647304] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.653936] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 91.659690] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 # [ 91.686801] RSP: 0018:ffffae86c2dd7e38 EFLAGS: 00010282 # [ 91.692651] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 91.700623] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 # [ 91.708590] RBP: ffffffffb9ac7cc0 R08: 0000000000000000 R09: 0000000000000000 # [ 91.716562] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 91.724529] R13: ffffae86c2dd7f10 R14: ffffae86c2dd7f10 R15: ffff8aee05f15000 # [ 91.732502] FS: 00007fe4b422b580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 91.741542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.747969] CR2: 00007fe4b4044000 CR3: 00000001053d4000 CR4: 00000000003506f0 # [ 91.755941] Call Trace: # [ 91.758701] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 91.764847] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 91.771180] direct_entry.cold+0x2c/0x38 # [ 91.775582] full_proxy_write+0x56/0x80 # [ 91.779884] vfs_write+0xea/0x390 # [ 91.783608] ksys_write+0x68/0xe0 # [ 91.787331] do_syscall_64+0x33/0x40 # [ 91.791343] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 91.796992] RIP: 0033:0x7fe4b4153f33 # [ 91.801001] 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 # [ 91.821953] RSP: 002b:00007ffde2b5faa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.830416] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe4b4153f33 # [ 91.838386] RDX: 0000000000000020 RSI: 00007fe4b4044000 RDI: 0000000000000001 # [ 91.846360] RBP: 00007fe4b4044000 R08: 00007fe4b4043010 R09: 0000000000000000 # [ 91.854335] R10: 00007fe4b424e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.862305] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.870286] irq event stamp: 0 # [ 91.879886] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.893106] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.902253] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.911384] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.918392] ---[ end trace aa8e3adb220bab7c ]--- # [ 91.923559] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 92.253636] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 92.265623] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 92.279301] ------------[ cut here ]------------ # [ 92.290673] refcount_t: saturated; leaking memory. # [ 92.302242] WARNING: CPU: 3 PID: 2525 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 92.317724] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.339802] CPU: 3 PID: 2525 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 92.354[ 93.188732] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 93.201380] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 93.208890] ------------[ cut here ]------------ 638] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 93.214059] refcount_t: underflow; use-after-free. [ 93.225640] WARNING: CPU: 0 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 93.234986] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.250965] CPU: 0 PID: 2560 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 93.259610] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.266237] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 93.271989] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b a6 [ 93.292948] RSP: 0018:ffffae86c2e9fe40 EFLAGS: 00010286 [ 93.298793] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 93.306770] RDX: ffff8aee7bc2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 [ 93.314747] RBP: ffffffffb9ac7d00 R08: 0000000000000000 R09: 0000000000000000 [ 93.322714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.330683] R13: ffffae86c2e9ff10 R14: ffffae86c2e9ff10 R15: ffff8aee0537e000 [ 93.338652] FS: 00007f9b9fba8580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 [ 93.347686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.354107] CR2: 00007f9b9f9c1000 CR3: 00000001051ce000 CR4: 00000000003506f0 [ 93.362072] Call Trace: [ 93.364822] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 93.370950] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 93.377289] direct_entry.cold+0x2c/0x38 [ 93.381689] full_proxy_write+0x56/0x80 [ 93.385989] vfs_write+0xea/0x390 [ 93.389707] ksys_write+0x68/0xe0 [ 93.393428] do_syscall_64+0x33/0x40 [ 93.397424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.403076] RIP: 0033:0x7f9b9fad0f33 [ 93.407081] 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 [ 93.428016] RSP: 002b:00007fff5d0c52b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.436476] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9b9fad0f33 [ 93.444453] RDX: 0000000000000020 RSI: 00007f9b9f9c1000 RDI: 0000000000000001 [ 93.452419] RBP: 00007f9b9f9c1000 R08: 00007f9b9f9c0010 R09: 0000000000000000 [ 93.460394] R10: 00007f9b9fbcb1c0 R11: 0000000000000246 R12: 0000000000000001 92.367436] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 92.[ 93.468365] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 379390] Code: 05 d4 30 76 01 01 e8 0e ec 95 00 0f 0b c3 80 3d c7[ 93.482535] irq event stamp: 0 [ 93.492142] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.499157] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 93.508305] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 93.517446] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.524450] ---[ end trace aa8e3adb220bab7e ]--- [ 93.529615] lkdtm: Saturation detected: still saturated 30 76 01 00 75 b4 48 c7 c7 60 3a a6 b9 c6 05 b7 30 76 01 01 e8 ef eb 95 00 <0f> 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 # [ 92.406490] RSP: 0018:ffffae86c2e3fe38 EFLAGS: 00010282 # [ 92.418539] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 92.432677] RDX: ffff8aee7bdac660 RSI: ffff8aee7bd9bf70 RDI: ffff8aee7bd9bf70 # [ 92.446854] RBP: ffffffffb9ac7ce0 R08: 0000000000000000 R09: 0000000000000000 # [ 92.461005] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 92.475170] R13: ffffae86c2e3ff10 R14: ffffae86c2e3ff10 R15: ffff8aee02af7000 # [ 92.489322] FS: 00007fcebd6ba580(0000) GS:ffff8aee7bd80000(0000) knlGS:0000000000000000 # [ 92.504545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.517174] CR2: 00007fcebd4d3000 CR3: 00000001052b2000 CR4: 00000000003506e0 # [ 92.531317] Call Trace: # [ 92.540286] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 92.552663] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 92.565446] direct_entry.cold+0x2c/0x38 # [ 92.575820] full_proxy_write+0x56/0x80 # [ 92.586430] vfs_write+0xea/0x390 # [ 92.596133] ksys_write+0x68/0xe0 # [ 92.606060] do_syscall_64+0x33/0x40 # [ 92.616295] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.628057] RIP: 0033:0x7fcebd5e2f33 # [ 92.638277] 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 # [ 92.665481] RSP: 002b:00007ffd3cc62938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.679985] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcebd5e2f33 # [ 92.694169] RDX: 0000000000000020 RSI: 00007fcebd4d3000 RDI: 0000000000000001 # [ 92.708264] RBP: 00007fcebd4d3000 R08: 00007fcebd4d2010 R09: 0000000000000000 # [ 92.722448] R10: 00007fcebd6dd1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 92.736571] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.750836] irq event stamp: 0 # [ 92.760301] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.773601] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.788900] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.804259] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.817404] ---[ end trace aa8e3adb220bab7d ]--- # [ 92.828778] 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 # [ 93.188732] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 93.201380] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 93.208890] ------------[ cut here ]------------ # [ 93.214059] refcount_t: underflow; use-after-free. # [ 93.225640] WARNING: CPU: 0 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 93.234986] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.250965] CPU: 0 PID: 2560 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 93.259610] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.266237] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 93.271989] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30[ 93.878007] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 93.890517] lkdtm: attempting bad refcount_sub_and_test() from saturated 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 30 76 01 01 e8 d0 [ 93.898017] ------------[ cut here ]------------ eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7[ 93.909370] refcount_t: underflow; use-after-free. c7 10 3b a6 # [ 93.292948] RSP: 0018:ffffae86c2e9fe40 EFLAGS[ 93.920985] WARNING: CPU: 1 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 : 00010286 # [ 93.298793] RAX: 0000000000000000 RBX: 00000000[ 93.936486] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.958618] CPU: 1 PID: 2595 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 93.967267] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.973884] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 93.979630] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b a6 [ 94.000587] RSP: 0018:ffffae86c2f37e40 EFLAGS: 00010286 [ 94.006434] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 94.014410] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 [ 94.022381] RBP: ffffffffb9ac7d20 R08: 0000000000000000 R09: 0000000000000000 [ 94.030350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.038324] R13: ffffae86c2f37f10 R14: ffffae86c2f37f10 R15: ffff8aee04192000 [ 94.046299] FS: 00007feee4f76580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 [ 94.055331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.061759] CR2: 00007feee4d8f000 CR3: 0000000105fa2000 CR4: 00000000003506e0 [ 94.069760] Call Trace: 0000003a RCX: 0000000000000000 # [ 93.306770] RDX: ffff8aee7b[ 94.072512] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 94.084812] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 94.091148] direct_entry.cold+0x2c/0x38 [ 94.095548] full_proxy_write+0x56/0x80 c2c660 RSI: ffff8aee7bc1bf70 RDI: ffff8aee7bc1bf70 # [ 93.314[ 94.099851] vfs_write+0xea/0x390 [ 94.109746] ksys_write+0x68/0xe0 [ 94.113470] do_syscall_64+0x33/0x40 [ 94.117470] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.123120] RIP: 0033:0x7feee4e9ef33 [ 94.127133] 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 [ 94.148088] RSP: 002b:00007ffca0c8abb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.156554] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007feee4e9ef33 [ 94.164526] RDX: 0000000000000020 RSI: 00007feee4d8f000 RDI: 0000000000000001 [ 94.172504] RBP: 00007feee4d8f000 R08: 00007feee4d8e010 R09: 0000000000000000 747] RBP: ffffffffb9ac7d00 R08: 0000000000000000 R09: 0000000000[ 94.180481] R10: 00007feee4f991c0 R11: 0000000000000246 R12: 0000000000000001 000000 # [ 93.322714] R10: 00000000ffffe000 R11: 3fffffffffff[ 94.194635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 94.208805] irq event stamp: 0 [ 94.212230] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffff R12: 0000000000000020 # [ 93.330683] R13: ffffae86c2e9ff[ 94.219242] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 94.234543] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 10 R14: ffffae86c2e9ff10 R15: ffff8aee0537e000 # [ 93.338652][ 94.243718] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.256928] ---[ end trace aa8e3adb220bab7f ]--- [ 94.262095] lkdtm: Saturation detected: still saturated FS: 00007f9b9fba8580(0000) GS:ffff8aee7bc00000(0000) knlGS:0000000000000000 # [ 93.347686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.354107] CR2: 00007f9b9f9c1000 CR3: 00000001051ce000 CR4: 00000000003506f0 # [ 93.362072] Call Trace: # [ 93.364822] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 93.370950] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 93.377289] direct_entry.cold+0x2c/0x38 # [ 93.381689] full_proxy_write+0x56/0x80 # [ 93.385989] vfs_write+0xea/0x390 # [ 93.389707] ksys_write+0x68/0xe0 # [ 93.393428] do_syscall_64+0x33/0x40 # [ 93.397424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 93.403076] RIP: 0033:0x7f9b9fad0f33 # [ 93.407081] 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 # [ 93.428016] RSP: 002b:00007fff5d0c52b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.436476] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9b9fad0f33 # [ 93.444453] RDX: 0000000000000020 RSI: 00007f9b9f9c1000 RDI: 0000000000000001 # [ 93.452419] RBP: 00007f9b9f9c1000 R08: 00007f9b9f9c0010 R09: 0000000000000000 # [ 93.460394] R10: 00007f9b9fbcb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.468365] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.482535] irq event stamp: 0 # [ 93.492142] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.499157] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.508305] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.517446] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.524450] ---[ end trace aa8e3adb220bab7e ]--- # [ 93.529615] 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 # [ 93.878007] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 93.890517] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 93.898017] ------------[ cut here ]------------ # [ 93.909370] refcount_t: underflow; use-after-free. # [ 93.920985] WARNING: CPU: 1 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 93.936486] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.958618] CPU: 1 PID: 2595 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 93.967267] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.973884] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 93.979630] Code: 05 b7 30 76 01 01 e8 ef eb 95 00 0f 0b c3 80 3d a5 30 76 01 00 75 95 48 c7 c7 b8 3a a6 b9 c6 05 95 30 76 01 01 e8 d0 eb 95 00 <0f> 0b c3 80 3d 84 30 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 3b a6 # [ 94.000587] RSP: 0018:ffffae86c2f37e40 EFLAGS: 00010286 # [ 94.006434] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 94.014410] RDX: ffff8aee7bcac660 RSI: ffff8aee7bc9bf70 RDI: ffff8aee7bc9bf70 # [ 94.022381] RBP: ffffffffb9ac7d20 R08: 0000000000000000 R09: 0000000000000000 # [ 94.030350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.038324] R13: ffffae86c2f37f10 R14: ffffae86c2f37f10 R15: ffff8aee04192000 # [ 94.046299] FS: 00007feee4f76580(0000) GS:ffff8aee7bc80000(0000) knlGS:0000000000000000 # [ 94.055331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.061759] CR2: 00007feee4d8f000 CR3: 0000000105fa2000 CR4: 00000000003506e0 # [ 94.069760] Call Trace: # [ 94.072512] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 94.084812] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 94.091148] direct_entry.cold+0x2c/0x38 # [ 94.095548] full_proxy_write+0x56/0x80 # [ 94.099851] vfs_write+0xea/0x390 # [ 94.109746] ksys_write+0x68/0xe0 # [ 94.113470] do_syscall_64+0x33/0x40 # [ 94.117470] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 94.123120] RIP: 0033:0x7feee4e9ef33 # [ 94.127133] 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 # [ 94.148088] RSP: 002b:00007ffca0c8abb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.156554] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007feee4e9ef33 # [ 94.164526] RDX: 0000000000000020 RSI: 00007feee4d8f000 RDI: 0000000000000001 # [ 94.172504] RBP: 00007feee4d8f000 R08: 00007feee4d8e010 R09: 0000000000000000 # [ 94.180481] R10: 00007feee4f991c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.194635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.208805] irq event stamp: 0 # [ 94.212230] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.219242] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.234543] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.243718] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.256928] ---[ end trace aa8e3adb220bab7f ]--- # [ 94.262095] 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 [ 94.848703] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 94.855462] lkdtm: attempting good copy_to_user of correct size [ 94.862107] lkdtm: attempting bad copy_to_user of too large size # [ 94.848703] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 94.855462] lkdtm: attempting good copy_to_user of correct size # [ 94.862107] 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 [ 95.198214] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 95.205174] lkdtm: attempting good copy_from_user of correct size [ 95.212043] lkdtm: attempting bad copy_from_user of too large size # [ 95.198214] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 95.205174] lkdtm: attempting good copy_from_user of correct size # [ 95.212043] 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 [ 95.556102] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 95.563345] lkdtm: attempting good copy_to_user inside whitelist [ 95.570129] lkdtm: attempting bad copy_to_user outside whitelist # [ 95.556102] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 95.563345] lkdtm: attempting good copy_to_user inside whitelist # [ 95.570129] 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 [ 95.917941] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 95.925380] lkdtm: attempting good copy_from_user inside whitelist [ 95.932300] lkdtm: attempting bad copy_from_user outside whitelist # [ 95.917941] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 95.925380] lkdtm: attempting good copy_from_user inside whitelist # [ 95.932300] 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 [ 96.280292] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 96.287232] lkdtm: good_stack: ffffae86c32a7e20-ffffae86c32a7e40 [ 96.293971] lkdtm: bad_stack : ffffae86c32a7da8-ffffae86c32a7dc8 [ 96.300724] lkdtm: attempting good copy_to_user of local stack [ 96.307288] lkdtm: attempting bad copy_to_user of distant stack # [ 96.280292] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 96.287232] lkdtm: good_stack: ffffae86c32a7e20-ffffae86c32a7e40 # [ 96.293971] lkdtm: bad_stack : ffffae86c32a7da8-ffffae86c32a7dc8 # [ 96.300724] lkdtm: attempting good copy_to_user of local stack # [ 96.307288] 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 [ 96.654891] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 96.662022] lkdtm: good_stack: ffffae86c330fe20-ffffae86c330fe40 [ 96.668785] lkdtm: bad_stack : ffffae86c330fda8-ffffae86c330fdc8 [ 96.675527] lkdtm: attempting good copy_from_user of local stack [ 96.682253] lkdtm: attempting bad copy_from_user of distant stack # [ 96.654891] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 96.662022] lkdtm: good_stack: ffffae86c330fe20-ffffae86c330fe40 # [ 96.668785] lkdtm: bad_stack : ffffae86c330fda8-ffffae86c330fdc8 # [ 96.675527] lkdtm: attempting good copy_from_user of local stack # [ 96.682253] 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 [ 97.017897] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 97.024633] lkdtm: good_stack: ffffae86c33afe20-ffffae86c33afe40 [ 97.031369] lkdtm: bad_stack : ffffae86c33afff8-ffffae86c33b0018 [ 97.038445] lkdtm: attempting good copy_to_user of local stack [ 97.045382] lkdtm: attempting bad copy_to_user of distant stack [ 97.052422] lkdtm: copy_to_user failed, but lacked Oops # [ 97.017897] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 97.024633] lkdtm: good_stack: ffffae86c33afe20-ffffae86c33afe40 # [ 97.031369] lkdtm: bad_stack : ffffae86c33afff8-ffffae86c33b0018 # [ 97.038445] lkdtm: attempting good copy_to_user of local stack # [ 97.045382] lkdtm: attempting bad copy_to_user of distant stack # [ 97.052422] 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 [ 97.384686] lkdtm: Performing direct entry USERCOPY_KERNEL [ 97.390851] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb96d9f10 [ 97.399908] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb84d1460 [ 97.408640] lkdtm: FAIL: survived bad copy_to_user() # [ 97.384686] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 97.390851] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb96d9f10 # [ 97.399908] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb84d1460 # [ 97.408640] 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 [ 97.763375] lkdtm: Performing direct entry STACKLEAK_ERASING [ 97.769734] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 97.777644] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 97.785425] lkdtm: FAIL: the thread stack is NOT properly erased [ 97.792162] CPU: 2 PID: 2960 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 97.800791] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 97.807388] Call Trace: [ 97.810131] dump_stack+0x77/0x97 [ 97.813831] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 97.818978] direct_entry.cold+0x2c/0x38 [ 97.823353] full_proxy_write+0x56/0x80 [ 97.827631] vfs_write+0xea/0x390 [ 97.831325] ksys_write+0x68/0xe0 [ 97.835020] do_syscall_64+0x33/0x40 [ 97.839005] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 97.844636] RIP: 0033:0x7f0c5ea61f33 [ 97.848618] 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 [ 97.869528] RSP: 002b:00007ffd5e8a5568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 97.877962] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0c5ea61f33 [ 97.885911] RDX: 0000000000000012 RSI: 00007f0c5e952000 RDI: 0000000000000001 [ 97.893855] RBP: 00007f0c5e952000 R08: 00007f0c5e951010 R09: 0000000000000000 [ 97.901800] R10: 00007f0c5eb5c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 97.909747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 97.763375] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 97.769734] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 97.777644] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 97.785425] lkdtm: FAIL: the thread stack is NOT properly erased # [ 97.792162] CPU: 2 PID: 2960 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 97.800791] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 97.807388] Call Trace: # [ 97.810131] dump_stack+0x77/0x97 # [ 97.813831] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 97.818978] direct_entry.cold+0x2c/0x38 # [ 97.823353] full_proxy_write+0x56/0x80 # [ 97.827631] vfs_write+0xea/0x390 # [ 97.831325] ksys_write+0x68/0xe0 # [ 97.835020] do_syscall_64+0x33/0x40 # [ 97.839005] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 97.844636] RIP: 0033:0x7f0c5ea61f33 # [ 97.848618] 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 # [ 97.869528] RSP: 002b:00007ffd5e8a5568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 97.877962] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0c5ea61f33 # [ 97.885911] RDX: 0000000000000012 RSI: 00007f0c5e952000 RDI: 0000000000000001 # [ 97.893855] RBP: 00007f0c5e952000 R08: 00007f0c5e951010 R09: 0000000000000000 # [ 97.901800] R10: 00007f0c5eb5c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 97.909747] 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 [ 98.259100] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 98.265447] lkdtm: Calling matched prototype ... [ 98.270616] lkdtm: Calling mismatched prototype ... [ 98.276070] lkdtm: Fail: survived mismatched prototype function call! # [ 98.259100] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 98.265447] lkdtm: Calling matched prototype ... # [ 98.270616] lkdtm: Calling mismatched prototype ... # [ 98.276070] 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 / #