[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 105 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 47546 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x3 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 33 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 268808 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 4863 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 52855 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 14074 usecs PCI: 00:16.1 scanning... scan_generic_bus for PCI: 00:16.1 scan_generic_bus for PCI: 00:16.1 done scan_bus: scanning of bus PCI: 00:16.1 took 9989 usecs PCI: 00:16.2 scanning... scan_generic_bus for PCI: 00:16.2 bus: PCI: 00:16.2[0]->I2C: 02:50 enabled scan_generic_bus for PCI: 00:16.2 done scan_bus: scanning of bus PCI: 00:16.2 took 14079 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 18175 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 18153 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 14079 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 11287 usecs scan_bus: scanning of bus DOMAIN: 0000 took 392135 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 412156 usecs done FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'. MRC: cache data 'RW_VAR_MRC_CACHE' needs update. FMAP: area RW_ELOG found @ 421000 (12288 bytes) ELOG: NV offset 0x421000 size 0x3000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-02-24 09:57:52 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-02-24 09:57:52 UTC ELOG: Event(AA) added with size 11 at 2023-02-24 09:57:52 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 702171 exit 96122 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 2956976 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 164 run 112495 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2141 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 2 apic_id 4. done. AP: slot 1 apic_id 6. Waiting for 2nd SIPI to complete...done. AP: slot 3 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 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #3 initialized CPU #2 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 469048 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2238 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2238 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2238 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2233 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 28297 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2237 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2229 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2237 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2235 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2242 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6132 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6129 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6134 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6133 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6133 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6128 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2236 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2238 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3557 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2237 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2342 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 42228 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 01:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 01:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 02:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 03:10: enabled 1 I2C: 03:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 04:15: enabled 1 I2C: 04:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 05:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 0 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:0f.0: enabled 1 PCI: 00:0f.1: enabled 1 PCI: 00:0f.2: enabled 1 APIC: 06: enabled 1 APIC: 04: enabled 1 APIC: 02: enabled 1 BS: BS_DEV_INIT times (us): entry 4987 run 883811 exit 890 ELOG: Event(A1) added with size 10 at 2023-02-24 09:57:56 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-02-24 09:57:56 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 24863 run 3951 exit 5277 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 04 (unknown) APIC: 02 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum 9823 coreboot table: 1548 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 VPD 8. 7affe940 00000047 GNVS PTR 9. 7affe920 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 817705 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 185 run 108258 exit 29998 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 9314460/tftp-deploy-r1go2tb8/kernel/bzImage 9314460/tftp-deploy-r1go2tb8/kernel/cmdline 9314460/tftp-deploy-r1go2tb8/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 9314460/tftp-deploy-r1go2tb8/kernel/bzImoy-r1go2tb8/kernel/cmdline 9314460/tftp-deploy-r1go2tb8/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 9314460/tftp-deploy-r1go2tb8/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################# done. The bootfile was 14294208 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ##################################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 9314460/tftp-deploy-r1go2tb8/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9314460/extract-nfsrootfs-jyfninhg,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: 19226918 Starting kernel ... <5>[ 0.000000] Linux version 5.10.168-cip27 (KernelCI@build-j1098549-x86-64-gcc-10-x86-64-defconfig-x86-chromebowxrkg) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Feb 24 09:45:42 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9314460/extract-nfsrootfs-jyfninhg,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 <6>[ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 <6>[ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 <6>[ 0.000000] tsc: Detected 1094.400 MHz processor <6>[ 0.000055] last_pfn = 0x180000 max_arch_pfn = 0x400000000 <6>[ 0.000313] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.001201] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 <6>[ 0.005305] check: Scanning 1 areas for low memory corruption <6>[ 0.005319] Using GB pages for direct mapping <6>[ 0.005670] RAMDISK: [mem 0x377b7000-0x37ffffff] <6>[ 0.005678] ACPI: Early table checksum verification disabled <6>[ 0.005687] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.005698] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005712] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005726] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) <6>[ 0.005736] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.005746] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.005755] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.005765] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005775] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005785] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005795] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) <6>[ 0.005805] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005815] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] <6>[ 0.005820] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] <6>[ 0.005824] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.005828] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.005832] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] <6>[ 0.005836] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] <6>[ 0.005840] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] <6>[ 0.005844] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] <6>[ 0.005848] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] <6>[ 0.005852] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] <6>[ 0.005972] No NUMA configuration found <6>[ 0.005976] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] <6>[ 0.005985] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] <6>[ 0.006031] Zone ranges: <6>[ 0.006036] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.006042] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.006048] Normal [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006054] Movable zone start for each node <6>[ 0.006058] Early memory node ranges <6>[ 0.006062] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.006067] node 0: [mem 0x0000000000100000-0x000000000fffffff] <6>[ 0.006071] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] <6>[ 0.006075] node 0: [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006081] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] <6>[ 0.006113] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.006163] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.012857] On node 0, zone DMA32: 8529 pages in unavailable ranges <6>[ 0.020319] On node 0, zone Normal: 22019 pages in unavailable ranges <6>[ 0.020351] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.020655] ACPI: PM-Timer IO Port: 0x408 <6>[ 0.020728] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.020744] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.020751] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) <6>[ 0.020763] Using ACPI (MADT) for SMP configuration information <6>[ 0.020769] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.020780] TSC deadline timer available <6>[ 0.020786] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.020818] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.020824] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.020828] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] <6>[ 0.020833] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] <6>[ 0.020837] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.020841] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] <6>[ 0.020845] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] <6>[ 0.020849] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] <6>[ 0.020852] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] <6>[ 0.020856] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] <6>[ 0.020860] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] <6>[ 0.020864] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] <6>[ 0.020871] [mem 0x80000000-0xcfffffff] available for PCI devices <6>[ 0.020881] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.029253] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.029880] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.029987] Built 1 zonelists, mobility grouping on. Total pages: 1002002 <6>[ 0.029995] Policy zone: Normal <5>[ 0.030014] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/9314460/extract-nfsrootfs-jyfninhg,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.030987] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.031430] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.031494] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.064685] Memory: 3870980K/4071724K available (18450K kernel code, 3459K rwdata, 7984K rodata, 2012K init, 13324K bss, 200484K reserved, 0K cma-reserved) <6>[ 0.064844] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.064905] Kernel/User page tables isolation: enabled <6>[ 0.064981] ftrace: allocating 52723 entries in 206 pages <6>[ 0.095102] ftrace: allocated 206 pages with 5 groups <6>[ 0.095466] Running RCU self tests <6>[ 0.095484] rcu: Hierarchical RCU implementation. <6>[ 0.095488] rcu: RCU event tracing is enabled. <6>[ 0.095492] rcu: RCU lockdep checking is enabled. <6>[ 0.095497] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.095501] Rude variant of Tasks RCU enabled. <6>[ 0.095504] Tracing variant of Tasks RCU enabled. <6>[ 0.095509] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.095513] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.103921] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.104366] random: crng init done <6>[ 0.104483] Console: colour dummy device 80x25 <6>[ 0.176622] printk: console [ttyS2] enabled <4>[ 0.177009] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.177679] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.178049] ... MAX_LOCK_DEPTH: 48 <4>[ 0.178435] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.178825] ... CLASSHASH_SIZE: 4096 <4>[ 0.179220] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.179626] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.180023] ... CHAINHASH_SIZE: 32768 <4>[ 0.180420] memory used by lock dependency info: 6365 kB <4>[ 0.180904] memory used for stack traces: 4224 kB <4>[ 0.181329] per task-struct memory footprint: 1920 bytes <6>[ 0.181875] ACPI: Core revision 20200925 <6>[ 0.182607] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns <6>[ 0.183481] APIC: Switch to symmetric I/O mode setup <6>[ 0.188497] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>[ 0.193471] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 0.194392] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) <6>[ 0.195379] pid_max: default: 32768 minimum: 301 <6>[ 0.196457] LSM: Security Framework initializing <6>[ 0.196903] SELinux: Initializing. <6>[ 0.197437] LSM support for eBPF active <6>[ 0.197830] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.198392] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.200618] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.201188] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 <6>[ 0.201378] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 <6>[ 0.201908] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.202380] Spectre V2 : Mitigation: Retpolines <6>[ 0.202787] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.203377] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.204378] Speculative Store Bypass: Vulnerable <4>[ 0.222109] ------------[ cut here ]------------ <4>[ 0.222393] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.222405] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.224142] Modules linked in: <4>[ 0.224380] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.168-cip27 #1 <4>[ 0.224960] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 0.225380] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.225797] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 b0 fa be 96 c6 05 91 4a e4 01 01 e8 9d 53 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.226378] RSP: 0000:ffffffff96e03de0 EFLAGS: 00010282 <4>[ 0.226849] RAX: 0000000000000000 RBX: ffffffff978cf5d0 RCX: 0000000000000000 <4>[ 0.227377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9537aba1 <4>[ 0.228002] RBP: ffffffff968d15a0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.228377] R10: ffffffff96e8fec0 R11: 3fffffffffffffff R12: ffffffff978e65f4 <4>[ 0.229377] R13: cccccccccccccccc R14: ffffffff968d15a5 R15: 0000000000000004 <4>[ 0.229994] FS: 0000000000000000(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 <4>[ 0.230379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.231377] CR2: ffff8a7be6a01000 CR3: 0000000165226000 CR4: 00000000003506f0 <4>[ 0.232005] Call Trace: <4>[ 0.232269] alternative_instructions+0x7d/0x143 <4>[ 0.232382] check_bugs+0xece/0xf2a <4>[ 0.232713] start_kernel+0x517/0x54d <4>[ 0.233385] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.233847] irq event stamp: 89493 <4>[ 0.234164] hardirqs last enabled at (89501): [] console_unlock+0x4d1/0x5f0 <4>[ 0.234379] hardirqs last disabled at (89512): [] console_unlock+0x444/0x5f0 <4>[ 0.235382] softirqs last enabled at (89522): [] irq_enter_rcu+0x71/0x80 <4>[ 0.236379] softirqs last disabled at (89533): [] irq_enter_rcu+0x56/0x80 <4>[ 0.237114] ---[ end trace 822abe8605a7ddaa ]--- <6>[ 0.246123] Freeing SMP alternatives memory: 44K <6>[ 0.248476] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) <6>[ 0.250162] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.250390] ... version: 4 <6>[ 0.250760] ... bit width: 48 <6>[ 0.251135] ... generic registers: 4 <6>[ 0.251381] ... value mask: 0000ffffffffffff <6>[ 0.251857] ... max period: 00007fffffffffff <6>[ 0.252330] ... fixed-purpose events: 3 <6>[ 0.252380] ... event mask: 000000070000000f <6>[ 0.253362] rcu: Hierarchical SRCU implementation. <6>[ 0.255171] smp: Bringing up secondary CPUs ... <6>[ 0.256211] x86: Booting SMP configuration: <6>[ 0.256396] .... node #0, CPUs: #1 #2 #3 <6>[ 0.259521] smp: Brought up 1 node, 4 CPUs <6>[ 0.260385] smpboot: Max logical packages: 1 <6>[ 0.260775] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) <6>[ 0.263380] devtmpfs: initialized <6>[ 0.263453] x86/mm: Memory block size: 128MB <6>[ 0.268493] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.269398] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.270509] pinctrl core: initialized pinctrl subsystem <6>[ 0.271373] PM: RTC time: 09:58:10, date: 2023-02-24 <6>[ 0.271948] NET: Registered protocol family 16 <6>[ 0.273109] audit: initializing netlink subsys (disabled) <5>[ 0.274439] audit: type=2000 audit(1677232690.085:1): state=initialized audit_enabled=0 res=1 <6>[ 0.275173] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.275210] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.275479] cpuidle: using governor menu <6>[ 0.276613] ACPI: bus type PCI registered <6>[ 0.277773] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) <6>[ 0.278387] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 <6>[ 0.279039] PCI: Using configuration type 1 for base access <6>[ 0.303513] Kprobes globally optimized <6>[ 0.304456] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.304456] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.305433] cryptomgr_test (39) used greatest stack depth: 14880 bytes left <6>[ 0.309573] ACPI: Added _OSI(Module Device) <6>[ 0.309948] ACPI: Added _OSI(Processor Device) <6>[ 0.310348] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.310382] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.310865] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.311277] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.312384] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.321779] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.328862] ACPI: EC: EC started <6>[ 0.329186] ACPI: EC: interrupt blocked <6>[ 0.330033] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.330386] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.331038] ACPI: Interpreter enabled <6>[ 0.331436] ACPI: (supports S0 S3 S5) <6>[ 0.331789] ACPI: Using IOAPIC for interrupt routing <6>[ 0.332296] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.334242] ACPI: Enabled 1 GPEs in block 00 to 7F <6>[ 0.338456] ACPI: Power Resource [PXP] (on) <6>[ 0.361457] ACPI: Power Resource [PRIC] (on) <6>[ 0.387911] ACPI: Power Resource [PRIC] (on) <6>[ 0.459978] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.460393] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.461481] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.462885] PCI host bridge to bus 0000:00 <6>[ 0.463277] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.464385] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] <6>[ 0.464990] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.465382] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] <6>[ 0.466040] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] <6>[ 0.466383] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.466964] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 <6>[ 0.468305] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 <6>[ 0.469422] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] <6>[ 0.470719] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 <6>[ 0.471279] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] <6>[ 0.471397] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] <6>[ 0.472010] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] <6>[ 0.473868] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 <6>[ 0.474408] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] <6>[ 0.475021] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] <6>[ 0.475390] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] <6>[ 0.476401] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 <6>[ 0.476958] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] <6>[ 0.477967] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 <6>[ 0.478418] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] <6>[ 0.479065] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] <6>[ 0.479510] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold <6>[ 0.480773] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 <6>[ 0.481348] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] <6>[ 0.482548] pci 0000:00:0f.0: PME# supported from D3hot <6>[ 0.483551] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 <6>[ 0.484309] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold <6>[ 0.485068] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 <6>[ 0.486420] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] <6>[ 0.487168] pci 0000:00:15.0: PME# supported from D3hot D3cold <6>[ 0.488043] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 <6>[ 0.488430] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] <6>[ 0.489051] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] <6>[ 0.490083] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 <6>[ 0.491427] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] <6>[ 0.492043] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] <6>[ 0.493081] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 <6>[ 0.493419] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] <6>[ 0.494046] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] <6>[ 0.495065] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 <6>[ 0.496421] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] <6>[ 0.497045] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] <6>[ 0.498087] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 <6>[ 0.498420] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] <6>[ 0.499044] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] <6>[ 0.500054] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 <6>[ 0.501420] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] <6>[ 0.502044] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] <6>[ 0.503086] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 <6>[ 0.503420] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] <6>[ 0.504043] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] <6>[ 0.505057] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 <6>[ 0.506431] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] <6>[ 0.507055] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] <6>[ 0.508069] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 <6>[ 0.508419] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] <6>[ 0.509041] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] <6>[ 0.510080] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 <6>[ 0.510420] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] <6>[ 0.511045] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] <6>[ 0.513097] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 <6>[ 0.513412] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] <6>[ 0.514030] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] <6>[ 0.515038] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 <6>[ 0.515421] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] <6>[ 0.516042] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] <6>[ 0.518193] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 <6>[ 0.519247] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 <6>[ 0.519452] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] <6>[ 0.520133] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] <6>[ 0.522582] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.523347] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] <6>[ 0.524052] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) <6>[ 0.525576] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) <6>[ 0.527291] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.529353] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 0.529394] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 0.537522] ACPI: EC: interrupt unblocked <6>[ 0.537906] ACPI: EC: event unblocked <6>[ 0.538275] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.539382] ACPI: EC: GPE=0x2b <6>[ 0.539688] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.540306] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.541450] iommu: Default domain type: Translated <6>[ 0.542468] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.543016] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.543411] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.543920] vgaarb: loaded <5>[ 0.544770] SCSI subsystem initialized <6>[ 0.545550] ACPI: bus type USB registered <6>[ 0.546059] usbcore: registered new interface driver usbfs <6>[ 0.546443] usbcore: registered new interface driver hub <6>[ 0.546957] usbcore: registered new device driver usb <6>[ 0.547516] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.547969] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.549398] PTP clock support registered <6>[ 0.550494] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.552034] NetLabel: Initializing <6>[ 0.552362] NetLabel: domain hash size = 128 <6>[ 0.552382] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.552950] NetLabel: unlabeled traffic allowed by default <6>[ 0.553500] PCI: Using ACPI for IRQ routing <4>[ 0.585003] Expanded resource Reserved due to conflict with PCI Bus 0000:00 <6>[ 0.585489] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 <6>[ 0.586067] hpet0: 8 comparators, 64-bit 19.200000 MHz counter <6>[ 0.589493] clocksource: Switched to clocksource tsc-early <5>[ 1.012876] VFS: Disk quotas dquot_6.6.0 <6>[ 1.013297] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.014303] pnp: PnP ACPI init <6>[ 1.015438] system 00:00: [io 0x0900-0x09fe] has been reserved <6>[ 1.016253] system 00:01: [io 0x0200] has been reserved <6>[ 1.016751] system 00:01: [io 0x0204] has been reserved <6>[ 1.017233] system 00:01: [io 0x0800-0x087f] has been reserved <6>[ 1.017775] system 00:01: [io 0x0880-0x08ff] has been reserved <6>[ 1.020586] pnp: PnP ACPI: found 3 devices <6>[ 1.035882] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.036793] NET: Registered protocol family 2 <6>[ 1.037414] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.039550] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.040573] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.041529] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.044138] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.045241] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.046249] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.047151] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.048260] NET: Registered protocol family 1 <6>[ 1.049537] RPC: Registered named UNIX socket transport module. <6>[ 1.050092] RPC: Registered udp transport module. <6>[ 1.050539] RPC: Registered tcp transport module. <6>[ 1.050960] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.052074] NET: Registered protocol family 44 <6>[ 1.052531] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.053000] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.053630] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.054182] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] <6>[ 1.054734] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.055338] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] <6>[ 1.055954] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] <6>[ 1.056570] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] <6>[ 1.057404] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.060838] PCI: CLS 64 bytes, default 64 <6>[ 1.061607] Unpacking initramfs... <6>[ 1.285042] Freeing initrd memory: 8484K <6>[ 1.285535] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.286104] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) <6>[ 1.287201] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer <6>[ 1.287915] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.288439] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.288948] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.289442] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <3>[ 1.291222] kvm: already loaded the other module <6>[ 1.291688] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 1.292601] clocksource: Switched to clocksource tsc <6>[ 1.293139] platform rtc_cmos: registered platform RTC device (no PNP device found) <6>[ 1.296146] check: Scanning for low memory corruption every 60 seconds <5>[ 1.299430] Initialise system trusted keyrings <6>[ 1.300153] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.319463] NFS: Registering the id_resolver key type <5>[ 1.319969] Key type id_resolver registered <5>[ 1.320397] Key type id_legacy registered <5>[ 1.332055] Key type asymmetric registered <5>[ 1.332503] Asymmetric key parser 'x509' registered <6>[ 1.333004] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) <6>[ 1.333681] io scheduler mq-deadline registered <6>[ 1.334090] io scheduler kyber registered <4>[ 1.334748] test_firmware: interface ready <6>[ 1.335990] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 <6>[ 1.337821] ACPI: AC Adapter [AC] (on-line) <6>[ 1.338554] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.340141] ACPI: Lid Switch [LID0] <6>[ 1.340691] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 <6>[ 1.341593] ACPI: Power Button [PWRB] <6>[ 1.342123] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 <6>[ 1.343056] ACPI: Sleep Button [SLP] <6>[ 1.343610] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 <6>[ 1.344468] ACPI: Power Button [PWRF] <6>[ 1.345061] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.346199] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.347112] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.348003] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.349850] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 1.352636] Non-volatile memory driver v1.3 <6>[ 1.353101] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.353174] Linux agpgart interface v0.103 <6>[ 1.357462] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.411315] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x7bd5 <6>[ 1.412115] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) <6>[ 1.412860] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <4>[ 1.414172] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 <5>[ 1.415086] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. <5>[ 1.416096] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 <6>[ 1.461703] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.465496] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.481552] loop: module loaded <6>[ 1.482557] lkdtm: No crash points registered, enable through debugfs <6>[ 1.533776] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A <6>[ 1.537409] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A <6>[ 1.540623] printk: console [ttyS2] disabled <6>[ 1.541344] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A <6>[ 4.763159] printk: console [ttyS2] enabled <6>[ 4.763187] fbcon: i915drmfb (fb0) is primary device <4>[ 4.765556] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO <6>[ 4.773976] e100: Intel(R) PRO/100 Network Driver <6>[ 4.773980] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 4.774068] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.774070] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.774142] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.774144] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.774222] sky2: driver version 1.30 <6>[ 4.774571] usbcore: registered new interface driver r8152 <6>[ 4.775139] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.775159] ehci-pci: EHCI PCI platform driver <6>[ 4.775222] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 4.775237] ohci-pci: OHCI PCI platform driver <6>[ 4.775293] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 4.776855] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.777652] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 <6>[ 4.778888] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 4.778944] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported <6>[ 4.780341] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.780790] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 <6>[ 4.780803] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed <6>[ 4.781200] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 4.781214] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.781217] usb usb1: Product: xHCI Host Controller <6>[ 4.781220] usb usb1: Manufacturer: Linux 5.10.168-cip27 xhci-hcd <6>[ 4.781223] usb usb1: SerialNumber: 0000:00:15.0 <6>[ 4.782518] hub 1-0:1.0: USB hub found <6>[ 4.782632] hub 1-0:1.0: 8 ports detected <6>[ 4.784445] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 4.784449] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.784452] usb usb2: Product: xHCI Host Controller <6>[ 4.784455] usb usb2: Manufacturer: Linux 5.10.168-cip27 xhci-hcd <6>[ 4.784458] usb usb2: SerialNumber: 0000:00:15.0 <6>[ 4.785230] hub 2-0:1.0: USB hub found <6>[ 4.785270] hub 2-0:1.0: 7 ports detected <6>[ 4.786725] usbcore: registered new interface driver usblp <6>[ 4.786783] usbcore: registered new interface driver usb-storage <6>[ 4.787166] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 4.787283] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 4.787285] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 4.787867] i8042: Warning: Keylock active <6>[ 4.788113] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 4.790571] rtc_cmos rtc_cmos: RTC can wake from S4 <6>[ 4.793364] rtc_cmos rtc_cmos: registered as rtc0 <6>[ 4.793725] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 <6>[ 4.794724] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram <4>[ 4.795977] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A <4>[ 4.795980] i801_smbus 0000:00:1f.1: PCI INT A: no GSI <6>[ 4.796013] i801_smbus 0000:00:1f.1: SPD Write Disable is set <3>[ 4.796067] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) <3>[ 4.796086] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 <6>[ 4.796089] i801_smbus 0000:00:1f.1: SMBus using polling <6>[ 4.797069] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 4.797106] intel_pstate: Intel P-state driver initializing <6>[ 4.798327] Console: switching to colour frame buffer device 240x67 <6>[ 4.799814] sdhci: Secure Digital Host Controller Interface driver <6>[ 4.799821] sdhci: Copyright(c) Pierre Ossman <6>[ 4.800035] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 4.810326] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) <6>[ 4.816976] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit <6>[ 4.817999] hid: raw HID events driver (C) Jiri Kosina <6>[ 4.820668] usbcore: registered new interface driver usbhid <6>[ 4.820675] usbhid: USB HID core driver <6>[ 4.822952] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 <6>[ 4.830170] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 4.833872] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 4.843173] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.023657] usb 1-5: new high-speed USB device number 2 using xhci_hcd <6>[ 5.031504] netem: version 1.3 <6>[ 5.200254] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 <6>[ 5.204483] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.213556] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 5.221750] IPv4 over IPsec tunneling driver <6>[ 5.227457] usb 1-5: Product: USB2.0 HD UVC WebCam <6>[ 5.227466] usb 1-5: Manufacturer: Quanta <6>[ 5.227474] usb 1-5: SerialNumber: 0x0001 <6>[ 5.287618] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.297315] Initializing XFRM netlink socket <6>[ 5.300440] mmc0: new HS400 MMC card at address 0001 <6>[ 5.303468] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.313490] NET: Registered protocol family 10 <6>[ 5.316665] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.316676] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.316686] usb 2-5: Product: USB 10/100/1000 LAN <6>[ 5.316694] usb 2-5: Manufacturer: Realtek <6>[ 5.316702] usb 2-5: SerialNumber: 001000001 <6>[ 5.321783] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.333121] Segment Routing with IPv6 <6>[ 5.342667] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.352529] NET: Registered protocol family 17 <6>[ 5.357957] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) <5>[ 5.362877] Key type dns_resolver registered <6>[ 5.401157] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.429621] usb 1-6: new full-speed USB device number 3 using xhci_hcd <6>[ 5.494177] microcode: sig=0x506c9, pf=0x1, revision=0x2c <6>[ 5.501102] microcode: Microcode Update Driver: v2.2. <6>[ 5.501125] IPI shorthand broadcast: enabled <6>[ 5.512529] sched_clock: Marking stable (5427316510, 85070761)->(5518414346, -6027075) <6>[ 5.523195] registered taskstats version 1 <5>[ 5.528173] Loading compiled-in X.509 certificates <6>[ 5.548816] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.568381] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.587034] PM: Magic number: 11:175:981 <6>[ 5.592843] printk: console [netcon0] enabled <6>[ 5.598056] netconsole: network logging started <6>[ 5.625668] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.635250] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.650353] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.740866] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.791262] r8152 2-5:1.0: load rtl8153b-2 v1 10/23/19 successfully <6>[ 5.832095] r8152 2-5:1.0 eth0: v1.11.11 <6>[ 5.838268] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.023716] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <3>[ 6.051624] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up <6>[ 7.650572] r8152 2-5:1.0 eth0: carrier on <6>[ 7.651810] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 7.663596] Sending DHCP requests .., OK <6>[ 9.909647] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.16 <6>[ 9.918963] IP-Config: Complete: <6>[ 9.922934] device=eth0, hwaddr=00:e0:4c:68:0d:ad, ipaddr=192.168.201.16, mask=255.255.255.0, gw=192.168.201.1 <6>[ 9.934965] host=asus-C523NA-A20057-coral-cbg-4, domain=lava-rack, nis-domain=(none) <6>[ 9.944460] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 9.944470] nameserver0=192.168.201.1 <5>[ 9.958795] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 9.983602] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 10.000830] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 10.009692] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.009945] ALSA device list: <6>[ 10.019886] cfg80211: failed to load regulatory.db <6>[ 10.029347] No soundcards found. <4>[ 10.035217] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console <6>[ 10.059129] Freeing unused kernel image (initmem) memory: 2012K <6>[ 10.073921] Write protecting the kernel read-only data: 28672k <6>[ 10.086670] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.095657] Freeing unused kernel image (rodata/data gap) memory: 208K <6>[ 10.103630] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 <6>[ 10.208452] systemd-udevd (124) used greatest stack depth: 13800 bytes left <6>[ 10.512958] udevadm (126) used greatest stack depth: 13576 bytes left <4>[ 11.417056] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.431362] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.574262] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.786287] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.805760] 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 ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:0d:ad mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.16 broadcast: 192.168.201.255 netmask<6>[ 11.940692] ipconfig (163) used greatest stack depth: 13464 bytes left : 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C523NA-A20057-coral-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.144290] nfsmount (164) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 13.832681] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 13.874348] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 13.917280] systemd[1]: Set hostname to . <6>[ 14.271088] systemd-system- (189) used greatest stack depth: 12624 bytes left <30>[ 15.304478] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 15.323067] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 15.340324] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 15.359181] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 15.378851] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 15.397535] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 15.418077] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 15.440640] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 15.462292] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 15.479191] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 15.494136] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 15.511103] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 15.523145] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 15.538469] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 15.559177] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 15.579039] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 15.598204] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 15.617191] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 15.639742] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 15.657830] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 15.682860] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 15.711377] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 15.734780] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 15.756684] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 15.781829] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 15.810820] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 15.834114] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <6>[ 15.862784] mount (193) used greatest stack depth: 12528 bytes left <30>[ 15.865757] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 15.895052] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 15.924283] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 15.950176] fuse: init (API version 7.32) <30>[ 15.957068] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 15.978491] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 16.004685] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 16.037344] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 16.055135] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 16.074068] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 16.092152] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 16.116585] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 16.145225] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 16.154999] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 16.176978] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 16.186636] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 16.207625] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 16.217066] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 16.237241] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 16.258177] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 16.285250] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 16.311906] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 16.339701] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 16.350763] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 16.369541] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 16.395383] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 16.422962] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 16.446508] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 16.463434] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. <30>[ 16.530576] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 16.552943] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. <30>[ 16.572613] systemd[1]: Condition check resulted in First Boot Complete being skipped. <30>[ 16.705770] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. <30>[ 16.729660] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... <30>[ 16.801610] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). <46>[ 16.923177] systemd-journald[201]: Received client request to flush runtime journal. [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. [ OK ] Finished Create Volatile Files and Directories. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.168-cip27 #1 SMP Fri Feb 24 09:45:42 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9314460/extract-nfsrootfs-jyfninhg' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9314460/extract-nfsrootfs-jyfninhg' / #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-9314460/environment . /lava-9314460/environment / # /lava-9314460/bin/lava-test-runner /lava-9314460/0 /lava-9314460/bin/lava-test-runner /lava-9314460/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9314460/0/tests/0_timesync-off ++ cat uuid + UUID=9314460_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-9314460/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9314460_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.168-cip27/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C523NA-A20057-coral -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9314460/0/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: install_deps skipped --2023-02-24 09:58:36-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.168-cip27/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: 3321676 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 172KB/s kselftest.tar.xz 6%[> ] 217.50K 376KB/s kselftest.tar.xz 25%[====> ] 832.13K 899KB/s kselftest.tar.xz 62%[===========> ] 1.99M 1.72MB/s kselftest.tar.xz 93%[=================> ] 2.96M 2.18MB/s kselftest.tar.xz 100%[===================>] 3.17M 2.16MB/s in 1.5s 2023-02-24 09:58:38 (2.16 MB/s) - 'kselftest.tar.xz' saved [3321676/3321676] 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 ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== <12>[ 41.908717] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 42.497622] lkdtm: Performing direct entry BUG <4>[ 42.503244] ------------[ cut here ]------------ <2>[ 42.509647] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 42.515908] invalid opcode: 0000 [#1] SMP PTI <4>[ 42.521083] CPU: 2 PID: 642 Comm: cat Tainted: G W 5.10.168-cip27 #1 <4>[ 42.529937] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 42.536859] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.541541] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 42.562836] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 42.568971] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.577241] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 42.585514] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.593788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.602074] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 42.610345] FS: 00007f3700c0e580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 42.619701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.626430] CR2: 00007f3700a17000 CR3: 0000000103218000 CR4: 00000000003506e0 <4>[ 42.634718] Call Trace: <4>[ 42.637759] direct_entry.cold+0x2c/0x38 <4>[ 42.642452] full_proxy_write+0x56/0x80 <4>[ 42.647043] vfs_write+0xea/0x3a0 <4>[ 42.651043] ksys_write+0x68/0xf0 <4>[ 42.655036] do_syscall_64+0x33/0x40 <4>[ 42.659329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 42.665271] RIP: 0033:0x7f3700b24833 <4>[ 42.669561] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 42.690859] RSP: 002b:00007ffdd7af67b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.699619] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3700b24833 <4>[ 42.707893] RDX: 0000000000000004 RSI: 00007f3700a17000 RDI: 0000000000000001 <4>[ 42.716163] RBP: 00007f3700a17000 R08: 00007f3700a16010 R09: 0000000000000000 <4>[ 42.724439] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.732709] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 42.740992] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 42.757323] ---[ end trace 822abe8605a7ddac ]--- <4>[ 42.762790] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.767486] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 42.788795] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 42.794951] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.803240] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 42.811529] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.819823] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.828112] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 42.836436] FS: 00007f3700c0e580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 42.845809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.852549] CR2: 00007f3700a17000 CR3: 0000000103218000 CR4: 00000000003506e0 # Segmentation fault # [ 42.497622] lkdtm: Performing direct entry BUG # [ 42.503244] ------------[ cut here ]------------ # [ 42.509647] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 42.515908] invalid opcode: 0000 [#1] SMP PTI # [ 42.521083] CPU: 2 PID: 642 Comm: cat Tainted: G W 5.10.168-cip27 #1 # [ 42.529937] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 42.536859] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.541541] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 42.562836] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 42.568971] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.577241] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 42.585514] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 42.593788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.602074] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 42.610345] FS: 00007f3700c0e580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 # [ 42.619701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.626430] CR2: 00007f3700a17000 CR3: 0000000103218000 CR4: 00000000003506e0 # [ 42.634718] Call Trace: # [ 42.637759] direct_entry.cold+0x2c/0x38 # [ 42.642452] full_proxy_write+0x56/0x80 # [ 42.647043] vfs_write+0xea/0x3a0 # [ 42.651043] ksys_write+0x68/0xf0 # [ 42.655036] do_syscall_64+0x33/0x40 # [ 42.659329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.665271] RIP: 0033:0x7f3700b24833 # [ 42.669561] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.690859] RSP: 002b:00007ffdd7af67b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.699619] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3700b24833 # [ 42.707893] RDX: 0000000000000004 RSI: 00007f3700a17000 RDI: 0000000000000001 # [ 42.716163] RBP: 00007f3700a17000 R08: 00007f3700a16010 R09:<6>[ 43.111992] lkdtm: Performing direct entry WARNING 0000000000000000 # [ 42.724439] R10: fffffffffffffbc5 R11: 0<4>[ 43.121525] ------------[ cut here ]------------ 000000000000246 R12: 0000000000000001 # [ 42.732709] R13: 000<4>[ 43.133194] WARNING: CPU: 3 PID: 678 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 43.149130] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 42.740992] Modules linked in: fuse ip_tables cros_ec_sysfs cros<4>[ 43.171586] CPU: 3 PID: 678 Comm: cat Tainted: G D W 5.10.168-cip27 #1 _ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_therma<4>[ 43.186759] Hardware name: Google Coral/Coral, BIOS 09/29/2020 l cros_ec_dev cros_usbpd_notify # [ 42.757323] ---[ end trace<4>[ 43.199836] RIP: 0010:lkdtm_WARNING+0x13/0x20 822abe8605a7ddac ]--- # [ 42.762790] RIP: 0010:lkdtm_BUG+0x5<4>[ 43.211201] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 39 /0x10 # [ 42.767486] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea f<4>[ 43.238780] RSP: 0018:ffffabbe4128fe60 EFLAGS: 00010202 f ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff<4>[ 43.251112] RAX: ffffffff95ae4d30 RBX: 0000000000000002 RCX: 0000000000000000 ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0<4>[ 43.265636] RDX: 0000000000000000 RSI: ffff8a7bfbd9bf70 RDI: ffffffff968d1120 f 1f 44 00 00 83 05 30 39 92 02 # [ 42.788795] RSP: 0018:ffff<4>[ 43.280116] RBP: ffffffff96cb1e77 R08: 0000000000000000 R09: 0000000000000000 abbe41207e60 EFLAGS: 00010282 # [ 42.794951] RAX: ffffffff95a<4>[ 43.294655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 e4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.8032<4>[ 43.309135] R13: ffffabbe4128ff10 R14: ffffabbe4128ff10 R15: ffff8a7b85727000 40] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968<4>[ 43.323647] FS: 00007fec6f9f4580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 d1110 # [ 42.811529] RBP: ffffffff96d0d628 R08: 0000000000000<4>[ 43.339243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 001 R09: 0000000000000001 # [ 42.819823] R10: 00000000ffffe00<4>[ 43.352163] CR2: 00007fec6f7fd000 CR3: 00000001035fc000 CR4: 00000000003506e0 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.828112] <4>[ 43.366686] Call Trace: R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a00<4>[ 43.375938] direct_entry.cold+0x2c/0x38 0 # [ 42.836436] FS: 00007f3700c0e580(0000) GS:ffff8a7bfbd00<4>[ 43.386849] full_proxy_write+0x56/0x80 000(0000) knlGS:0000000000000000 # [ 42.845809] CS: 0010 DS:<4>[ 43.397749] vfs_write+0xea/0x3a0 0000 ES: 0000 CR0: 0000000080050033 # [ 42.852549] CR2: 0000<4>[ 43.408208] ksys_write+0x68/0xf0 7f3700a17000 CR3: 0000000103218000 CR4: 00000000003506e0 # BUG:<4>[ 43.418195] do_syscall_64+0x33/0x40 saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selft<4>[ 43.428878] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ests: lkdtm: WARNING.sh <4>[ 43.441095] RIP: 0033:0x7fec6f90a833 <4>[ 43.447741] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 43.469228] RSP: 002b:00007ffc9a817478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.478090] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fec6f90a833 <4>[ 43.486478] RDX: 0000000000000008 RSI: 00007fec6f7fd000 RDI: 0000000000000001 <4>[ 43.494850] RBP: 00007fec6f7fd000 R08: 00007fec6f7fc010 R09: 0000000000000000 <4>[ 43.503264] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.511642] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.520034] irq event stamp: 0 <4>[ 43.523866] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.531333] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 43.540986] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 43.550630] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.558133] ---[ end trace 822abe8605a7ddad ]--- # [ 43.111992] lkdtm: Performing direct entry WARNING # [ 43.121525] ------------[ cut here ]------------ # [ 43.133194] WARNING: CPU: 3 PID: 678 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 43.149130] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.171586] CPU: 3 PID: 678 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 43.186759] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.199836] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 43.211201] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 39 # [ 43.238780] RSP: 0018:ffffabbe4128fe60 EFLAGS: 00010202 # [ 43.251112] RAX: ffffffff95ae4d30 RBX: 0000000000000002 RCX: 0000000000000000 # [ 43.265636] RDX: 0000000000000000 RSI: ffff8a7bfbd9bf70 RDI: ffffffff968d1120 # [ 43.280116] RBP: ffffffff96cb1e77 R08: 0000000000000000 R09: 0000000000000000 # [ 43.294655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 43.309135] R13: ffffabbe4128ff10 R14: ffffabbe4128ff10 R15: ffff8a7b85727000 # [ 43.323647] FS: 00007fec6f9f4580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 43.339243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.352163] CR2: 00007fec6f7fd000 CR3: 00000001035fc000 CR4: 00000000003506e0 # [ 43.366686] Call Trace: # [ 43.375938] direct_entry.cold+0x2c/0x38 # [ 43.386849] full_proxy_write+0x56/0x80 # [ 43.397749] vfs_write+0xea/0x3a0 # [ 43.408208] ksys_write+0x68/0xf0 # [ 43.418195] do_syscall_64+0x33/0x40 # [ 43.428878] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.441095] RIP: 0033:0x7fec6f90a833 # [ 43.447741] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f <6>[ 43.801626] lkdtm: Performing direct entry WARNING_MESSAGE 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.469228] RSP: 002b:000<4>[ 43.810174] ------------[ cut here ]------------ 07ffc9a817478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <4>[ 43.821847] Warning message trigger count: 2 43.478090] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 000<4>[ 43.833235] WARNING: CPU: 3 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 07fec6f90a833 # [ 43.486478] RDX: 0000000000000008 RSI: 00007<4>[ 43.850148] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fec6f7fd000 RDI: 0000000000000001 # [ 43.494850] RBP: 00007fe<4>[ 43.872514] CPU: 3 PID: 713 Comm: cat Tainted: G D W 5.10.168-cip27 #1 c6f7fd000 R08: 00007fec6f7fc010 R09: 0000000000000000 # [ 43.<4>[ 43.887637] Hardware name: Google Coral/Coral, BIOS 09/29/2020 503264] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000<4>[ 43.900882] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 000000001 # [ 43.511642] R13: 0000000000000001 R14: 000000000<4>[ 43.912874] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 39 92 02 48 c7 c7 d8 23 cb 96 8d 70 01 89 35 01 39 92 02 e8 d2 9a 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 0020000 R15: 0000000000020000 # [ 43.520034] irq event stamp:<4>[ 43.940353] RSP: 0018:ffffabbe4131fe60 EFLAGS: 00010286 0 # [ 43.523866] hardirqs last enabled at (0): [<0000000000<4>[ 43.952718] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 000000>] 0x0 # [ 43.531333] hardirqs last disabled at (0): [<<4>[ 43.967195] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 ffffffff95300cb4>] copy_process+0x664/0x1cb0 # [ 43.540986] s<4>[ 43.981740] RBP: ffffffff96cb1e7f R08: 0000000000000000 R09: 0000000000000000 oftirqs last enabled at (0): [] copy_process+<4>[ 43.996208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 0x664/0x1cb0 # [ 43.550630] softirqs last disabled at (0): [<<4>[ 44.010724] R13: ffffabbe4131ff10 R14: ffffabbe4131ff10 R15: ffff8a7b85559000 0000000000000000>] 0x0 # [ 43.558133] ---[ end trace 822abe86<4>[ 44.025204] FS: 00007fd5cb015580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 05a7ddad ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lk<4>[ 44.040808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 dtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh <4>[ 44.053725] CR2: 00007fd5cae1e000 CR3: 0000000102c5a000 CR4: 00000000003506e0 <4>[ 44.067547] Call Trace: <4>[ 44.070675] direct_entry.cold+0x2c/0x38 <4>[ 44.075503] full_proxy_write+0x56/0x80 <4>[ 44.080183] vfs_write+0xea/0x3a0 <4>[ 44.084408] ksys_write+0x68/0xf0 <4>[ 44.088520] do_syscall_64+0x33/0x40 <4>[ 44.093044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.099150] RIP: 0033:0x7fd5caf2b833 <4>[ 44.103670] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.125170] RSP: 002b:00007fff33082908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.134045] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd5caf2b833 <4>[ 44.142370] RDX: 0000000000000010 RSI: 00007fd5cae1e000 RDI: 0000000000000001 <4>[ 44.150702] RBP: 00007fd5cae1e000 R08: 00007fd5cae1d010 R09: 0000000000000000 <4>[ 44.159023] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.167317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.175621] irq event stamp: 0 <4>[ 44.179351] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.186680] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 44.196192] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 44.205689] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.213025] ---[ end trace 822abe8605a7ddae ]--- # [ 43.801626] lkdtm: Performing direct entry WARNING_MESSAGE # [ 43.810174] ------------[ cut here ]------------ # [ 43.821847] Warning message trigger count: 2 # [ 43.833235] WARNING: CPU: 3 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.850148] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.872514] CPU: 3 PID: 713 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 43.887637] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.900882] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.912874] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 39 92 02 48 c7 c7 d8 23 cb 96 8d 70 01 89 35 01 39 92 02 e8 d2 9a 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 43.940353] RSP: 0018:ffffabbe4131fe60 EFLAGS: 00010286 # [ 43.952718] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 43.967195] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 # [ 43.981740] RBP: ffffffff96cb1e7f R08: 0000000000000000 R09: 0000000000000000 # [ 43.996208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 44.010724] R13: ffffabbe4131ff10 R14: ffffabbe4131ff10 R15: ffff8a7b85559000 # [ 44.025204] FS: 00007fd5cb015580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 44.040808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.053725] CR2: 00007fd5cae1e000 CR3: 0000000102c5a000 CR4: 00000000003506e0 # [ 44.067547] Call Trace: # [ 44.070675] direct_entry.cold+0x2c/0x38 # [ 44.075503] full_proxy_write+0x56/0x80 # [ 44.080183] vfs_write+0xea/0x3a0 # [ 44.084408] ksys_write+0x68/0xf0 # [ 44.088520] do_syscall_64+0x33/0x40 # [ 44.093044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.099150] RIP: 0033:0x7fd5caf2b833 # [ 44.103670] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f <6>[ 44.458245] lkdtm: Performing direct entry EXCEPTION <1>[ 44.469795] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.477872] #PF: supervisor write access in kernel mode <1>[ 44.484001] #PF: error_code(0x0002) - not-present page <6>[ 44.490035] PGD 0 P4D 0 <4>[ 44.493163] Oops: 0002 [#2] SMP PTI <4>[ 44.497356] CPU: 2 PID: 745 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 44.506207] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.513128] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 44.518383] Code: 48 c7 c7 d8 23 cb 96 8d 70 01 89 35 01 39 92 02 e8 d2 9a 62 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 44.539681] RSP: 0018:ffffabbe41377e60 EFLAGS: 00010282 <4>[ 44.545817] RAX: ffffffff95ae4d80 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 44.554085] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1140 <4>[ 44.562352] RBP: ffffffff96be6c47 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.570622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 44.578893] R13: ffffabbe41377f10 R14: ffffabbe41377f10 R15: ffff8a7b84f87000 <4>[ 44.587165] FS: 00007f0c42c8d580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 44.596503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.603216] CR2: 0000000000000000 CR3: 0000000103e52000 CR4: 00000000003506e0 <4>[ 44.611488] Call Trace: <4>[ 44.614525] direct_entry.cold+0x2c/0x38 <4>[ 44.619221] full_proxy_write+0x56/0x80 <4>[ 44.623812] vfs_write+0xea/0x3a0 <4>[ 44.627814] ksys_write+0x68/0xf0 <4>[ 44.631817] do_syscall_64+0x33/0x40 <4>[ 44.636109] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.642056] RIP: 0033:0x7f0c42ba3833 <4>[ 44.646344] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.667638] RSP: 002b:00007ffdce38cc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.676406] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0c42ba3833 <4>[ 44.684678] RDX: 000000000000000a RSI: 00007f0c42a96000 RDI: 0000000000000001 <4>[ 44.692951] RBP: 00007f0c42a96000 R08: 00007f0c42a95010 R09: 0000000000000000 <4>[ 44.701236] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.709504] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.717794] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 44.734086] CR2: 0000000000000000 <4>[ 44.738087] ---[ end trace 822abe8605a7ddaf ]--- <4>[ 44.743545] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.748223] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 44.769498] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 44.775631] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.783898] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 44.792164] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.800433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.808701] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 44.816968] FS: 00007f0c42c8d580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 44.826304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.833018] CR2: 0000000000000000 CR3: 0000000103e52000 CR4: 00000000003506e0 <3>[ 44.841289] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.851502] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 745, name: cat <4>[ 44.860157] INFO: lockdep is turned off. <4>[ 44.864830] irq event stamp: 0 <4>[ 44.868535] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.875836] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 44.885271] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 44.894705] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.902005] CPU: 2 PID: 745 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 44.910857] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.917763] Call Trace: <4>[ 44.920794] dump_stack+0x77/0x9b <4>[ 44.924795] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.929669] exit_signals+0x1c/0x2e0 <4>[ 44.933959] do_exit+0xc2/0xaf0 <4>[ 44.937756] ? ksys_write+0x68/0xf0 <4>[ 44.941951] make_task_dead+0x2f/0x30 <4>[ 44.946338] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.951888] RIP: 0033:0x7f0c42ba3833 <4>[ 44.956176] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.977459] RSP: 002b:00007ffdce38cc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.986219] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0c42ba3833 <4>[ 44.994488] RDX: 000000000000000a RSI: 00007f0c42a96000 RDI: 0000000000000001 <4>[ 45.002759] RBP: 00007f0c42a96000 R08: 00007f0c42a95010 R09: 0000000000000000 <4>[ 45.011026] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.019295] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.125170] RSP: 002b:00007fff33082908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.134045] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd5caf2b833 # [ 44.142370] RDX: 0000000000000010 RSI: 00007fd5cae1e000 RDI: 0000000000000001 # [ 44.150702] RBP: 00007fd5cae1e000 R08: 00007fd5cae1d010 R09: 0000000000000000 # [ 44.159023] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.167317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.175621] irq event stamp: 0 # [ 44.179351] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.186680] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.196192] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.205689] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.213025] ---[ end trace 822abe8605a7ddae ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 44.458245] lkdtm: Performing direct entry EXCEPTION # [ 44.469795] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 44.477872] #PF: supervisor write access in kernel mode # [ 44.484001] #PF: error_code(0x0002) - not-present page # [ 44.490035] PGD 0 P4D 0 # [ 44.493163] Oops: 0002 [#2] SMP PTI # [ 44.497356] CPU: 2 PID: 745 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 44.506207] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.513128] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 44.518383] Code: 48 c7 c7 d8 23 cb 96 8d 70 01 89 35 01 39 92 02 e8 d2 9a 62 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 44.539681] RSP: 0018:ffffabbe41377e60 EFLAGS: 00010282 # [ 44.545817] RAX: ffffffff95ae4d80 RBX: 0000000000000004 RCX: 0000000000000000 # [ 44.554085] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1140 # [ 44.562352] RBP: ffffffff96be6c47 R08: 0000000000000000 R09: 0000000000000000 # [ 44.570622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 44.578893] R13: ffffabbe41377f10 R14: ffffabbe41377f10 R15: ffff8a7b84f87000 # [ 44.587165] FS: 00007f0c42c8d580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 # [ 44.596503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.603216] CR2: 0000000000000000 CR3: 0000000103e52000 CR4: 00000000003506e0 # [ 44.611488] Call Trace: # [ 44.614525] direct_entry.cold+0x2c/0x38 # [ 44.619221] full_proxy_write+0x56/0x80 # [ 44.623812] vfs_write+0xea/0x3a0 # [ 44.627814] ksys_write+0x68/0xf0 # [ 44.631817] do_syscall_64+0x33/0x40 # [ 44.636109] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.642056] RIP: 0033:0x7f0c42ba3833 # [ 44.646344] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.667638] RSP: 002b:00007ffdce38cc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.676406] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0c42ba3833 # [ 44.684678] RDX: 000000000000000a RSI: 00007f0c42a96000 RDI: 0000000000000001 # [ 44.692951] RBP: 00007f0c42a96000 R08: 00007f0c42a95010 R09: 0000000000000000 # [ 44.701236] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.709504] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.717794] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.734086] CR2: 0000000000000000 # [ 44.738087] ---[ end trace 822abe8605a7ddaf ]--- # [ 44.743545] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.748223] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 44.769498] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 44.775631] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.783898] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 44.792164] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 44.800433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.808701] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 44.816968] FS: 00007f0c42c8d580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 # [ 44.826304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.833018] CR2: 0000000000000000 CR3: 0000000103e52000 CR4: 00000000003506e0 # [ 44.841289] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 44.851502] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 745, name: cat # [ 44.860157] INFO: lockdep is turned off. # [ 44.864830] irq event stamp: 0 # [ 44.868535] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.875836] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.885271] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.894705] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.902005] CPU: 2 PID: 745 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 44.910857] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.917763] Call Trace: # [ 44.920794] dump_stack+0x77/0x9b # [ 44.924795] ___might_sleep.cold+0xa6/0xb6 # [ 44.929669] exit_signals+0x1c/0x2e0 # [ 44.933959] do_exit+0xc2/0xaf0 # [ 44.937756] ? ksys_write+0x68/0xf0 # [ 44.941951] make_task_dead+0x2f/0x30 # [ 44.946338] rewind_stack_and_make_dead+0x17/0x20 # [ 44.951888] RIP: 0033:0x7f0c42ba3833 # [ 44.956176] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.977459] RSP: 002b:00007ffdce38cc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.986219] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0c42ba3833 # [ 44.994488] RDX: 000000000000000a RSI: 00007f0c42a96000 RDI: 0000000000000001 # [ 45.002759] RBP: 00007f0c42a96000 R08: 00007f0c42a95010 R09: 0000000000000000 # [ 45.011026] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.019295] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh <6>[ 45.871470] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 45.878022] lkdtm: attempting good list addition <6>[ 45.883508] lkdtm: attempting corrupted list addition <3>[ 45.889485] lkdtm: list_add() corruption not detected! # [ 45.871470] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 45.878022] lkdtm: attempting good list addition # [ 45.883508] lkdtm: attempting corrupted list addition # [ 45.889485] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh <6>[ 46.115850] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 46.122409] lkdtm: attempting good list removal <6>[ 46.127797] lkdtm: attempting corrupted list removal <3>[ 46.133701] lkdtm: list_del() corruption not detected! # [ 46.115850] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 46.122409] lkdtm: attempting good list removal # [ 46.127797] lkdtm: attempting corrupted list removal # [ 46.133701] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 46.363636] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 46.370981] lkdtm: attempting bad read from page below current stack <0>[ 46.378438] BUG: stack guard page was hit at 000000003e67d01f (stack is 000000002ccd582a..00000000a668f4bf) <4>[ 46.389632] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 46.396745] CPU: 1 PID: 970 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 46.405603] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.412537] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 46.419373] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 27 cb 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 b8 27 cb 96 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 <4>[ 46.440710] RSP: 0018:ffffabbe416b7e50 EFLAGS: 00010246 <4>[ 46.446854] RAX: 0000000000000038 RBX: ffffabbe416b4000 RCX: 0000000000000000 <4>[ 46.455131] RDX: 0000000000000000 RSI: ffff8a7bfbc9bf70 RDI: ffffffff96cb27b8 <4>[ 46.463425] RBP: ffffffff96cb1ee2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.471717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 46.480002] R13: ffffabbe416b7f10 R14: ffffabbe416b7f10 R15: ffff8a7b85781000 <4>[ 46.488277] FS: 00007fb4660df580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 46.497623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.504357] CR2: ffffabbe416b3fff CR3: 00000001054f4000 CR4: 00000000003506e0 <4>[ 46.512640] Call Trace: <4>[ 46.515681] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 <4>[ 46.521051] direct_entry.cold+0x2c/0x38 <4>[ 46.525736] full_proxy_write+0x56/0x80 <4>[ 46.530328] vfs_write+0xea/0x3a0 <4>[ 46.534340] ksys_write+0x68/0xf0 <4>[ 46.538344] do_syscall_64+0x33/0x40 <4>[ 46.542639] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.548597] RIP: 0033:0x7fb465ff5833 <4>[ 46.552888] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.574198] RSP: 002b:00007fff7a6f8d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.582966] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb465ff5833 <4>[ 46.591243] RDX: 0000000000000019 RSI: 00007fb465ee8000 RDI: 0000000000000001 <4>[ 46.599511] RBP: 00007fb465ee8000 R08: 00007fb465ee7010 R09: 0000000000000000 <4>[ 46.607783] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.616061] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.624358] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 46.640639] ---[ end trace 822abe8605a7ddb0 ]--- <4>[ 46.646101] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.650780] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 46.672083] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 46.678212] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.686487] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 46.694766] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.703045] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.711323] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 46.719614] FS: 00007fb4660df580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 46.728959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.735688] CR2: ffffabbe416b3fff CR3: 00000001054f4000 CR4: 00000000003506e0 <3>[ 46.743969] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.754202] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 970, name: cat <4>[ 46.762881] INFO: lockdep is turned off. <4>[ 46.767567] irq event stamp: 0 <4>[ 46.771284] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.778607] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 46.788062] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 46.797505] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.804816] CPU: 1 PID: 970 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 46.813682] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.820597] Call Trace: <4>[ 46.823637] dump_stack+0x77/0x9b <4>[ 46.827641] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.832518] exit_signals+0x1c/0x2e0 <4>[ 46.836810] do_exit+0xc2/0xaf0 <4>[ 46.840620] ? ksys_write+0x68/0xf0 <4>[ 46.844824] make_task_dead+0x2f/0x30 <4>[ 46.849218] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.854771] RIP: 0033:0x7fb465ff5833 <4>[ 46.859066] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.880391] RSP: 002b:00007fff7a6f8d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.889163] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb465ff5833 <4>[ 46.897439] RDX: 0000000000000019 RSI: 00007fb465ee8000 RDI: 0000000000000001 <4>[ 46.905712] RBP: 00007fb465ee8000 R08: 00007fb465ee7010 R09: 0000000000000000 <4>[ 46.913983] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.922258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 46.363636] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 46.370981] lkdtm: attempting bad read from page below current stack # [ 46.378438] BUG: stack guard page was hit at 000000003e67d01f (stack is 000000002ccd582a..00000000a668f4bf) # [ 46.389632] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 46.396745] CPU: 1 PID: 970 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 46.405603] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.412537] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 46.419373] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 27 cb 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 b8 27 cb 96 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 # [ 46.440710] RSP: 0018:ffffabbe416b7e50 EFLAGS: 00010246 # [ 46.446854] RAX: 0000000000000038 RBX: ffffabbe416b4000 RCX: 0000000000000000 # [ 46.455131] RDX: 0000000000000000 RSI: ffff8a7bfbc9bf70 RDI: ffffffff96cb27b8 # [ 46.463425] RBP: ffffffff96cb1ee2 R08: 0000000000000000 R09: 0000000000000000 # [ 46.471717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 46.480002] R13: ffffabbe416b7f10 R14: ffffabbe416b7f10 R15: ffff8a7b85781000 # [ 46.488277] FS: 00007fb4660df580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 46.497623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.504357] CR2: ffffabbe416b3fff CR3: 00000001054f4000 CR4: 00000000003506e0 # [ 46.512640] Call Trace: # [ 46.515681] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 46.521051] direct_entry.cold+0x2c/0x38 # [ 46.525736] full_proxy_write+0x56/0x80 # [ 46.530328] vfs_write+0xea/0x3a0 # [ 46.534340] ksys_write+0x68/0xf0 # [ 46.538344] do_syscall_64+0x33/0x40 # [ 46.542639] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.548597] RIP: 0033:0x7fb465ff5833 # [ 46.552888] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.574198] RSP: 002b:00007fff7a6f8d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.582966] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb465ff5833 # [ 46.591243] RDX: 0000000000000019 RSI: 00007fb465ee8000 RDI: 0000000000000001 # [ 46.599511] RBP: 00007fb465ee8000 R08: 00007fb465ee7010 R09: 0000000000000000 # [ 46.607783] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.616061] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.624358] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal c<6>[ 47.241722] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 47.251705] lkdtm: attempting bad read from page above current stack <0>[ 47.259154] BUG: stack guard page was hit at 00000000eeeafb8b (stack is 0000000090610d02..000000007c9ba2be) <4>[ 47.270344] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 47.277450] CPU: 1 PID: 1003 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 47.286396] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ros_ec_dev cros_usbpd_notify # [ 46.640639] ---[ end trace 82<4>[ 47.293314] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 2abe8605a7ddb0 ]--- # [ 46.646101] RIP: 0010:lkdtm_BUG+0x5/0x<4>[ 47.306442] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 27 cb 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 30 28 cb 96 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff <4>[ 47.333940] RSP: 0018:ffffabbe4171fe50 EFLAGS: 00010246 <4>[ 47.340077] RAX: 0000000000000038 RBX: ffffabbe4171c000 RCX: 0000000000000000 <4>[ 47.348344] RDX: 0000000000000000 RSI: ffff8a7bfbc9bf70 RDI: ffffffff96cb2830 <4>[ 47.356614] RBP: ffffffff96cb1efb R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.364883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 47.373155] R13: ffffabbe4171ff10 R14: ffffabbe4171ff10 R15: ffff8a7b83f56000 <4>[ 47.381429] FS: 00007fe5726cc580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 47.390758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.397473] CR2: ffffabbe41720000 CR3: 0000000105716000 CR4: 00000000003506e0 <4>[ 47.405741] Call Trace: <4>[ 47.408773] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a <4>[ 47.414909] direct_entry.cold+0x2c/0x38 <4>[ 47.419590] full_proxy_write+0x56/0x80 <4>[ 47.424173] vfs_write+0xea/0x3a0 <4>[ 47.428172] ksys_write+0x68/0xf0 <4>[ 47.432173] do_syscall_64+0x33/0x40 <4>[ 47.436464] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 47.442407] RIP: 0033:0x7fe5725e2833 <4>[ 47.446695] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 47.467978] RSP: 002b:00007ffc56070b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.476735] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fe5725e2833 <4>[ 47.485003] RDX: 000000000000001a RSI: 00007fe5724d5000 RDI: 0000000000000001 <4>[ 47.493271] RBP: 00007fe5724d5000 R08: 00007fe5724d4010 R09: 0000000000000000 <4>[ 47.501536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.509805] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.518082] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 47.534359] ---[ end trace 822abe8605a7ddb1 ]--- <4>[ 47.539818] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.544496] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 47.565784] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 47.571916] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.580184] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 47.588455] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.596739] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.605008] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 47.613278] FS: 00007fe5726cc580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 47.622616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.629327] CR2: ffffabbe41720000 CR3: 0000000105716000 CR4: 00000000003506e0 10 # [ 46.650780] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 46.672083] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 46.678212] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.686487] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 46.694766] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 46.703045] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.711323] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 46.719614] FS: 00007fb4660df580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 46.728959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.735688] CR2: ffffabbe416b3fff CR3: 00000001054f4000 CR4: 00000000003506e0 # [ 46.743969] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.754202] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 970, name: cat # [ 46.762881] INFO: lockdep is turned off. # [ 46.767567] irq event stamp: 0 # [ 46.771284] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.778607] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.788062] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.797505] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.804816] CPU: 1 PID: 970 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 46.813682] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.820597] Call Trace: # [ 46.823637] dump_stack+0x77/0x9b # [ 46.827641] ___might_sleep.cold+0xa6/0xb6 # [ 46.832518] exit_signals+0x1c/0x2e0 # [ 46.836810] do_exit+0xc2/0xaf0 # [ 46.840620] ? ksys_write+0x68/0xf0 # [ 46.844824] make_task_dead+0x2f/0x30 # [ 46.849218] rewind_stack_and_make_dead+0x17/0x20 # [ 46.854771] RIP: 0033:0x7fb465ff5833 # [ 46.859066] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.880391] RSP: 002b:00007fff7a6f8d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.889163] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb465ff5833 # [ 46.897439] RDX: 0000000000000019 RSI: 00007fb465ee8000 RDI: 0000000000000001 # [ 46.905712] RBP: 00007fb465ee8000 R08: 00007fb465ee7010 R09: 0000000000000000 # [ 46.913983] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.922258] R13: 0000000000000001 R14: 0000000000020000 <6>[ 47.910233] lkdtm: Performing direct entry UNSET_SMEP R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call tra<6>[ 47.917201] lkdtm: trying to clear SMEP normally ce:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh #<4>[ 47.928885] ------------[ cut here ]------------ selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation <4>[ 47.940673] pinned CR4 bits changed: 0x100000!? fault # [ 47.241722] lkdtm: Performing direct entry STACK_GUA<4>[ 47.952499] WARNING: CPU: 3 PID: 1039 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 RD_PAGE_TRAILING # [ 47.251705] lkdtm: attempting bad read fr<4>[ 47.968959] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify om page above current stack # [ 47.259154] BUG: stack guard p<4>[ 47.991599] CPU: 3 PID: 1039 Comm: cat Tainted: G D W 5.10.168-cip27 #1 age was hit at 00000000eeeafb8b (stack is 0000000090610d02..0000<4>[ 48.006726] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00007c9ba2be) # [ 47.270344] kernel stack overflow (page faul<4>[ 48.019779] RIP: 0010:native_write_cr4+0x45/0x60 t): 0000 [#4] SMP PTI # [ 47.277450] CPU: 1 PID: 1003 Comm: c<4>[ 48.031448] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 60 0c bf 96 c6 05 89 90 e3 01 01 e8 7d 99 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 at Tainted: G D W 5.10.168-cip27 #1 # [ 47.28639<4>[ 48.058907] RSP: 0018:ffffabbe417a7e48 EFLAGS: 00010286 6] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47<4>[ 48.071276] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 .293314] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # <4>[ 48.085750] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 [ 47.306442] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 27 c<4>[ 48.100257] RBP: ffffffff96cb1f15 R08: 0000000000000000 R09: 0000000000000000 b 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48<4>[ 48.114721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b c7 c7 30 28 cb 96 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 0<4>[ 48.129245] R13: ffffabbe417a7f10 R14: ffffabbe417a7f10 R15: ffff8a7b835c0000 7 5a 5b e9 ad 9c fd ff # [ 47.333940] RSP: 0018:ffffabbe4171f<4>[ 48.143707] FS: 00007f0fbba44580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 e50 EFLAGS: 00010246 # [ 47.340077] RAX: 0000000000000038 RBX<4>[ 48.159292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : ffffabbe4171c000 RCX: 0000000000000000 # [ 47.348344] RDX: <4>[ 48.172202] CR2: 00007f0fbb84d000 CR3: 0000000104f26000 CR4: 00000000003506e0 0000000000000000 RSI: ffff8a7bfbc9bf70 RDI: ffffffff96cb2830 # <4>[ 48.186713] Call Trace: [ 47.356614] RBP: ffffffff96cb1efb R08: 0000000000000000 R09: <4>[ 48.195953] lkdtm_UNSET_SMEP.cold+0x1d/0x103 0000000000000000 # [ 47.364883] R10: 00000000ffffe000 R11: 3f<4>[ 48.207357] direct_entry.cold+0x2c/0x38 ffffffffffffff R12: 000000000000001a # [ 47.373155] R13: ffff<4>[ 48.218223] full_proxy_write+0x56/0x80 abbe4171ff10 R14: ffffabbe4171ff10 R15: ffff8a7b83f56000 # [ <4>[ 48.229037] vfs_write+0xea/0x3a0 47.381429] FS: 00007fe5726cc580(0000) GS:ffff8a7bfbc80000(0000)<4>[ 48.239247] ksys_write+0x68/0xf0 knlGS:0000000000000000 # [ 47.390758] CS: 0010 DS: 0000 ES:<4>[ 48.249496] do_syscall_64+0x33/0x40 0000 CR0: 0000000080050033 # [ 47.397473] CR2: ffffabbe41720<4>[ 48.259974] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000 CR3: 0000000105716000 CR4: 00000000003506e0 # [ 47.405741<4>[ 48.272152] RIP: 0033:0x7f0fbb95a833 ] Call Trace: # [ 47.408773] ? lkdtm_STACK_GUARD_PAGE_LEADIN<4>[ 48.282652] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 G+0x3a/0x3a # [ 47.414909] direct_entry.cold+0x2c/0x38 # [ <4>[ 48.310203] RSP: 002b:00007ffeaef10a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 47.419590] full_proxy_write+0x56/0x80 # [ 47.424173] vfs_<4>[ 48.325129] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0fbb95a833 write+0xea/0x3a0 # [ 47.428172] ksys_write+0x68/0xf0 # [ <4>[ 48.339626] RDX: 000000000000000b RSI: 00007f0fbb84d000 RDI: 0000000000000001 47.432173] do_syscall_64+0x33/0x40 # [ 47.436464] entry_SYS<4>[ 48.354113] RBP: 00007f0fbb84d000 R08: 00007f0fbb84c010 R09: 0000000000000000 CALL_64_after_hwframe+0x61/0xc6 # [ 47.442407] RIP: 0033:0x7f<4>[ 48.368636] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 e5725e2833 # [ 47.446695] Code: 8b 15 61 26 0e 00 f7 d8 64 89<4>[ 48.383090] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 <4>[ 48.397677] irq event stamp: 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f<4>[ 48.407502] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.467978] RSP: 002b<4>[ 48.421185] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 :00007ffc56070b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #<4>[ 48.436780] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 47.476735] RAX: ffffffffffffffda RBX: 000000000000001a RCX:<4>[ 48.452498] softirqs last disabled at (0): [<0000000000000000>] 0x0 00007fe5725e2833 # [ 47.485003] RDX: 000000000000001a RSI: 0<4>[ 48.465986] ---[ end trace 822abe8605a7ddb2 ]--- 0007fe5724d5000 RDI: 0000000000000001 # [ 47.493271] RBP: 000<6>[ 48.477698] lkdtm: ok: SMEP did not get cleared 07fe5724d5000 R08: 00007fe5724d4010 R09: 0000000000000000 # [ <6>[ 48.489245] lkdtm: trying to clear SMEP with call gadget 47.501536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000<6>[ 48.501725] lkdtm: ok: SMEP removal was reverted 0000000000001 # [ 47.509805] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.518082] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.534359] ---[ end trace 822abe8605a7ddb1 ]--- # [ 47.539818] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.544496] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 47.565784] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 47.571916] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.580184] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 47.588455] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 47.596739] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.605008] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 47.613278] FS: 00007fe5726cc580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 47.622616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.629327] CR2: ffffabbe41720000 CR3: 0000000105716000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 47.910233] lkdtm: Performing direct entry UNSET_SMEP # [ 47.917201] lkdtm: trying to clear SMEP normally # [ 47.928885] ------------[ cut here ]------------ # [ 47.940673] pinned CR4 bits changed: 0x100000!? # [ 47.952499] WARNING: CPU: 3 PID: 1039 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 47.968959] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.991599] CPU: 3 PID: 1039 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 48.006726] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.019779] RIP: 0010:native_write_cr4+0x45/0x60 # [ 48.031448] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 60 0c bf 96 c6 05 89 90 e3 01 01 e8 7d 99 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 48.058907] RSP: 0018:ffffabbe417a7e48 EFLAGS: 00010286 # [ 48.071276] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 48.085750] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 # [ 48.100257] RBP: ffffffff96cb1f15 R08: 0000000000000000 R09: 0000000000000000 # [ 48.114721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 48.129245] R13: ffffabbe41<6>[ 48.785315] lkdtm: Performing direct entry DOUBLE_FAULT 7a7f10 R14: ffffabbe417a7f10 R15: ffff8a7b835c0000 # [ 48.143<3>[ 48.793162] lkdtm: XFAIL: this test is ia32-only 707] FS: 00007f0fbba44580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 48.159292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.172202] CR2: 00007f0fbb84d000 CR3: 0000000104f26000 CR4: 00000000003506e0 # [ 48.186713] Call Trace: # [ 48.195953] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 48.207357] direct_entry.cold+0x2c/0x38 # [ 48.218223] full_proxy_write+0x56/0x80 # [ 48.229037] vfs_write+0xea/0x3a0 # [ 48.239247] ksys_write+0x68/0xf0 # [ 48.249496] do_syscall_64+0x33/0x40 # [ 48.259974] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.272152] RIP: 0033:0x7f0fbb95a833 # [ 48.282652] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.310203] RSP: 002b:00007ffeaef10a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.325129] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0fbb95a833 # [ 48.339626] RDX: 000000000000000b RSI: 00007f0fbb84d000 RDI: 0000000000000001 # [ 48.354113] RBP: 00007f0fbb84d000 R08: 00007f0fbb84c010 R09: 0000000000000000 # [ 48.368636] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.383090] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.397677] irq event stamp: 0 # [ 48.407502] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.421185] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.436780] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.452498] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.465986] ---[ end trace 822abe8605a7ddb2 ]--- # [ 48.477698] lkdtm: ok: SMEP did not get cleared # [ 48.489245] lkdtm: trying to clear SMEP with call gadget # [ 48.501725] 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 # [ 48.785315] lkdtm: Performing direct entry DOUBLE_FAULT # [ 48.793162] 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 <6>[ 49.069087] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 49.075167] lkdtm: XFAIL: this test is arm64-only # [ 49.069087] lkdtm: Performing direct entry CORRUPT_PAC # [ 49.075167] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh <6>[ 49.316185] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 49.323725] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 49.316185] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 49.323725] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh <6>[ 49.827721] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 49.834201] lkdtm: Value in memory before free: 12345678 <6>[ 49.840470] lkdtm: Attempting bad read from freed memory <6>[ 49.846739] lkdtm: Memory was not poisoned # [ 49.827721] lkdtm: Performing direct entry READ_AFTER_FREE # [ 49.834201] lkdtm: Value in memory before free: 12345678 # [ 49.840470] lkdtm: Attempting bad read from freed memory # [ 49.846739] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 50.216576] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 50.223621] lkdtm: Value in memory before free: 12345678 <6>[ 50.229884] lkdtm: Attempting to read from freed memory <6>[ 50.236057] lkdtm: Buddy page was not poisoned # [ 50.216576] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 50.223621] lkdtm: Value in memory before free: 12345678 # [ 50.229884] lkdtm: Attempting to read from freed memory # [ 50.236057] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 50.476506] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 50.483069] lkdtm: Attempting double slab free ... # [ 50.476506] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 50.483069] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 50.743820] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 50.750313] lkdtm: Attempting cross-cache slab free ... # [ 50.743820] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 50.750313] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 50.993416] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 50.999777] lkdtm: Attempting non-Slab slab free ... # [ 50.993416] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 50.999777] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 51.776593] lkdtm: Performing direct entry EXEC_DATA <6>[ 51.782479] lkdtm: attempting ok execution at ffffffff95ae50f0 <6>[ 51.789326] lkdtm: attempting bad execution at ffffffff984086a0 <2>[ 51.796286] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 51.804949] BUG: unable to handle page fault for address: ffffffff984086a0 <1>[ 51.812930] #PF: supervisor instruction fetch in kernel mode <1>[ 51.819559] #PF: error_code(0x0011) - permissions violation <6>[ 51.826086] PGD 165229067 P4D 165229067 PUD 16522a063 PMD 80000001668000e3 <4>[ 51.834178] Oops: 0011 [#5] SMP PTI <4>[ 51.838370] CPU: 1 PID: 1546 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 51.847317] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 51.854233] RIP: 0010:data_area+0x0/0x40 <4>[ 51.858912] Code: ff ff 00 73 43 84 7b 8a ff ff 00 72 43 84 7b 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 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 51.880201] RSP: 0018:ffffabbe41f57e48 EFLAGS: 00010246 <4>[ 51.886337] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 51.894605] RDX: 0000000000000000 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 <4>[ 51.902872] RBP: ffffffff984086a0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.911140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 51.919410] R13: ffffabbe41f57f10 R14: ffffabbe41f57f10 R15: ffff8a7b829fa000 <4>[ 51.927682] FS: 00007faaf9e28580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 51.937020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.943732] CR2: ffffffff984086a0 CR3: 0000000104e5a000 CR4: 00000000003506e0 <4>[ 51.951999] Call Trace: <4>[ 51.955038] ? execute_location+0x48/0x56 <4>[ 51.959817] ? direct_entry.cold+0x2c/0x38 <4>[ 51.964694] ? full_proxy_write+0x56/0x80 <4>[ 51.969473] ? vfs_write+0xea/0x3a0 <4>[ 51.973665] ? ksys_write+0x68/0xf0 <4>[ 51.977860] ? do_syscall_64+0x33/0x40 <4>[ 51.982346] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 51.988490] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 52.004760] CR2: ffffffff984086a0 <4>[ 52.008753] ---[ end trace 822abe8605a7ddb3 ]--- <4>[ 52.014211] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 52.018888] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 52.040172] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 52.046298] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.054568] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 52.062835] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 52.071102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 52.079369] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 52.087639] FS: 00007faaf9e28580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 52.096977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.103690] CR2: ffffffff984086a0 CR3: 0000000104e5a000 CR4: 00000000003506e0 <3>[ 52.111964] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 52.122176] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1546, name: cat <4>[ 52.130928] INFO: lockdep is turned off. <4>[ 52.135602] irq event stamp: 0 <4>[ 52.139309] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.146601] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 52.156038] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 52.165470] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.172770] CPU: 1 PID: 1546 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 52.181719] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.188626] Call Trace: <4>[ 52.191658] dump_stack+0x77/0x9b <4>[ 52.195663] ___might_sleep.cold+0xa6/0xb6 <4>[ 52.200543] exit_signals+0x1c/0x2e0 <4>[ 52.204838] do_exit+0xc2/0xaf0 <4>[ 52.208645] ? ksys_write+0x68/0xf0 <4>[ 52.212840] make_task_dead+0x2f/0x30 <4>[ 52.217233] rewind_stack_and_make_dead+0x17/0x20 <4>[ 52.222789] RIP: 0033:0x7faaf9d3e833 <4>[ 52.227078] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 52.248368] RSP: 002b:00007ffd6fa81b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.257132] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007faaf9d3e833 <4>[ 52.265403] RDX: 000000000000000a RSI: 00007faaf9c31000 RDI: 0000000000000001 <4>[ 52.273670] RBP: 00007faaf9c31000 R08: 00007faaf9c30010 R09: 0000000000000000 <4>[ 52.281939] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.290214] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 51.776593] lkdtm: Performing direct entry EXEC_DATA # [ 51.782479] lkdtm: attempting ok execution at ffffffff95ae50f0 # [ 51.789326] lkdtm: attempting bad execution at ffffffff984086a0 # [ 51.796286] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 51.804949] BUG: unable to handle page fault for address: ffffffff984086a0 # [ 51.812930] #PF: supervisor instruction fetch in kernel mode # [ 51.819559] #PF: error_code(0x0011) - permissions violation # [ 51.826086] PGD 165229067 P4D 165229067 PUD 16522a063 PMD 80000001668000e3 # [ 51.834178] Oops: 0011 [#5] SMP PTI # [ 51.838370] CPU: 1 PID: 1546 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 51.847317] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 51.854233] RIP: 0010:data_area+0x0/0x40 # [ 51.858912] Code: ff ff 00 73 43 84 7b 8a ff ff 00 72 43 84 7b 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 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 51.880201] RSP: 0018:ffffabbe41f57e48 EFLAGS: 00010246 # [ 51.886337] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.894605] RDX: 0000000000000000 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 # [ 51.902872] RBP: ffffffff984086a0 R08: 0000000000000000 R09: 0000000000000000 # [ 51.911140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 51.919410] R13: ffffabbe41f57f10 R14: ffffabbe41f57f10 R15: ffff8a7b829fa000 # [ 51.927682] FS: 00007faaf9e28580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 51.937020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.943732] CR2: ffffffff984086a0 CR3: 0000000104e5a000 CR4: 00000000003506e0 # [ 51.951999] Call Trace: # [ 51.955038] ? execute_location+0x48/0x56 # [ 51.959817] ? direct_entry.cold+0x2c/0x38 # [ 51.964694] ? full_proxy_write+0x56/0x80 # [ 51.969473] ? vfs_write+0xea/0x3a0 # [ 51.973665] ? ksys_write+0x68/0xf0 # [ 51.977860] ? do_syscall_64+0x33/0x40 # [ 51.982346] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.988490] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.004760] CR2: ffffffff984086a0 # [ 52.008753] ---[ end trace 822abe8605a7ddb3 ]--- # [ 52.014211] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.018888] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 52.040172] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 52.046298] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.054568] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 52.062835] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 52.071102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.079369] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 52.087639] FS: 00007faaf9e28580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 52.096977] CS: 0010 DS: 0000 ES: <6>[ 52.670857] lkdtm: Performing direct entry EXEC_STACK 0000 CR0: 0000000080050033 # [ 52.103690] CR2: ffffffff984086<6>[ 52.681540] lkdtm: attempting ok execution at ffffffff95ae50f0 a0 CR3: 0000000104e5a000 CR4: 00000000003506e0 # [ 52.111964]<6>[ 52.694593] lkdtm: attempting bad execution at ffffabbe41fe7e18 BUG: sleeping function called from invalid context at include/l<2>[ 52.707783] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 52.722574] BUG: unable to handle page fault for address: ffffabbe41fe7e18 <1>[ 52.730558] #PF: supervisor instruction fetch in kernel mode <1>[ 52.737174] #PF: error_code(0x0011) - permissions violation <6>[ 52.743694] PGD 100000067 P4D 100000067 PUD 100210067 PMD 10553e067 PTE 8000000103c2f063 <4>[ 52.753047] Oops: 0011 [#6] SMP PTI <4>[ 52.757240] CPU: 3 PID: 1582 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 52.766186] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.773101] RIP: 0010:0xffffabbe41fe7e18 <4>[ 52.777781] Code: 00 00 18 7e fe 41 be ab ff ff 9f a9 13 96 ff ff ff ff 20 00 00 00 00 00 00 00 3e 20 cb 96 ff ff ff ff cb aa 13 96 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 52.799073] RSP: 0018:ffffabbe41fe7df8 EFLAGS: 00010246 <4>[ 52.805210] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.813480] RDX: 0000000000000000 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 <4>[ 52.821766] RBP: ffffabbe41fe7e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.830044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 52.838322] R13: ffffabbe41fe7f10 R14: ffffabbe41fe7f10 R15: ffff8a7b84e9b000 <4>[ 52.846589] FS: 00007f18e1cff580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 <4>[ 52.855935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.862650] CR2: ffffabbe41fe7e18 CR3: 0000000105736000 CR4: 00000000003506e0 <4>[ 52.870921] Call Trace: <4>[ 52.873958] ? execute_location+0x48/0x56 <4>[ 52.878736] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 52.883514] ? direct_entry.cold+0x2c/0x38 <4>[ 52.888396] ? full_proxy_write+0x56/0x80 <4>[ 52.893174] ? vfs_write+0xea/0x3a0 <4>[ 52.897367] ? ksys_write+0x68/0xf0 <4>[ 52.901559] ? do_syscall_64+0x33/0x40 <4>[ 52.906043] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 52.912186] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 52.928455] CR2: ffffabbe41fe7e18 <4>[ 52.932451] ---[ end trace 822abe8605a7ddb4 ]--- <4>[ 52.937911] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 52.942589] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 52.963877] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 52.970001] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.978269] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 52.986548] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 52.994822] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.003088] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 53.011359] FS: 00007f18e1cff580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 <4>[ 53.020701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.027415] CR2: ffffabbe41fe7e18 CR3: 0000000105736000 CR4: 00000000003506e0 inux/percpu-rwsem.h:49 # [ 52.122176] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1546, name: cat # [ 52.130928] INFO: lockdep is turned off. # [ 52.135602] irq event stamp: 0 # [ 52.139309] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.146601] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.156038] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.165470] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.172770] CPU: 1 PID: 1546 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 52.181719] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.188626] Call Trace: # [ 52.191658] dump_stack+0x77/0x9b # [ 52.195663] ___might_sleep.cold+0xa6/0xb6 # [ 52.200543] exit_signals+0x1c/0x2e0 # [ 52.204838] do_exit+0xc2/0xaf0 # [ 52.208645] ? ksys_write+0x68/0xf0 # [ 52.212840] make_task_dead+0x2f/0x30 # [ 52.217233] rewind_stack_and_make_dead+0x17/0x20 # [ 52.222789] RIP: 0033:0x7faaf9d3e833 # [ 52.227078] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.248368] RSP: 002b:00007ffd6fa81b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.257132] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007faaf9d3e833 # [ 52.265403] RDX: 000000000000000a RSI: 00007faaf9c31000 RDI: 0000000000000001 # [ 52.273670] RBP: 00007faaf9c31000 R08: 00007faaf9c30010 R09: 0000000000000000 # [ 52.281939] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.290214] 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 # [ 52.670857] lkdtm: Performing direct entry EXEC_STACK # [ 52.681540] lkdtm: attempting ok execution at ffffffff95ae50f0 # [ 52.694593] lkdtm: attempting bad execution at ffffabbe41fe7e18 # [ 52.707783] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.722574] BUG: unable to handle page fault for address: ffffabbe41fe7e18 # [ 52.730558] #PF: supervisor instruction fetch in kernel mode # [ 52.737174] #PF: error_code(0x0011) - permissions violation # [ 52.743694] PGD 100000067 P4D 100000067 PUD 100210067 PMD 10553e067 PTE 8000000103c2f063 # [ 52.753047] Oops: 0011 [#6] SMP PTI # [ 52.757240] CPU: 3 PID: 1582 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 52.766186] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.773101] RIP: 0010:0xffffabbe41fe7e18 # [ 52.777781] Code: 00 00 18 7e fe 41 be ab ff ff 9f a9 13 96 ff ff ff ff 20 00 00 00 00 00 00 00 3e 20 cb 96 ff ff ff ff cb aa 13 96 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 52.799073] RSP: 0018:ffffabbe41fe7df8 EFLAGS: 00010246 # [ 52.805210] <6>[ 53.331583] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 53.340309] lkdtm: attempting ok execution at ffffffff95ae50f0 <6>[ 53.347167] lkdtm: attempting bad execution at ffff8a7b832a0e80 <2>[ 53.354119] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 53.362779] BUG: unable to handle page fault for address: ffff8a7b832a0e80 <1>[ 53.370756] #PF: supervisor instruction fetch in kernel mode <1>[ 53.377372] #PF: error_code(0x0011) - permissions violation <6>[ 53.383891] PGD 166a01067 P4D 166a01067 PUD 10085a063 PMD 102c03063 PTE 80000001032a0063 <4>[ 53.393247] Oops: 0011 [#7] SMP PTI <4>[ 53.397441] CPU: 2 PID: 1618 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 53.406387] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.413298] RIP: 0010:0xffff8a7b832a0e80 <4>[ 53.417970] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 30 95 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 53.439265] RSP: 0018:ffffabbe4205fe38 EFLAGS: 00010246 <4>[ 53.445405] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.453676] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffff8a7bfbd1bf70 <4>[ 53.461944] RBP: ffff8a7b832a0e80 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.470215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 53.478491] R13: ffffabbe4205ff10 R14: ffffabbe4205ff10 R15: ffff8a7b83c27000 <4>[ 53.486766] FS: 00007feb054a9580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 53.496103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.502817] CR2: ffff8a7b832a0e80 CR3: 0000000104248000 CR4: 00000000003506e0 <4>[ 53.511086] Call Trace: <4>[ 53.514121] ? execute_location+0x48/0x56 <4>[ 53.518902] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 53.523873] ? direct_entry.cold+0x2c/0x38 <4>[ 53.528748] ? full_proxy_write+0x56/0x80 <4>[ 53.533524] ? vfs_write+0xea/0x3a0 <4>[ 53.537720] ? ksys_write+0x68/0xf0 <4>[ 53.541904] ? do_syscall_64+0x33/0x40 <4>[ 53.546387] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.552518] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 53.568784] CR2: ffff8a7b832a0e80 <4>[ 53.572784] ---[ end trace 822abe8605a7ddb5 ]--- <4>[ 53.578237] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.582913] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 53.604197] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 53.610332] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.618600] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 53.626865] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.635133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.643399] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 53.651668] FS: 00007feb054a9580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 53.661003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.667717] CR2: ffff8a7b832a0e80 CR3: 0000000104248000 CR4: 00000000003506e0 <3>[ 53.675990] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 53.686200] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1618, name: cat <4>[ 53.694953] INFO: lockdep is turned off. <4>[ 53.699624] irq event stamp: 0 <4>[ 53.703327] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.710626] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 53.720051] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 53.729483] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.736784] CPU: 2 PID: 1618 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 53.745731] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.752636] Call Trace: <4>[ 53.755669] dump_stack+0x77/0x9b <4>[ 53.759671] ___might_sleep.cold+0xa6/0xb6 <4>[ 53.764547] exit_signals+0x1c/0x2e0 <4>[ 53.768835] do_exit+0xc2/0xaf0 <4>[ 53.772640] ? ksys_write+0x68/0xf0 <4>[ 53.776834] make_task_dead+0x2f/0x30 <4>[ 53.781223] rewind_stack_and_make_dead+0x17/0x20 <4>[ 53.786772] RIP: 0033:0x7feb053bf833 <4>[ 53.791060] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 53.812359] RSP: 002b:00007ffdd2046f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.821131] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007feb053bf833 <4>[ 53.829406] RDX: 000000000000000d RSI: 00007feb052b2000 RDI: 0000000000000001 <4>[ 53.837676] RBP: 00007feb052b2000 R08: 00007feb052b1010 R09: 0000000000000000 <4>[ 53.845942] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.854210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.813480] RDX: 0000000000000000 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 # [ 52.821766] RBP: ffffabbe41fe7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 52.830044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.838322] R13: ffffabbe41fe7f10 R14: ffffabbe41fe7f10 R15: ffff8a7b84e9b000 # [ 52.846589] FS: 00007f18e1cff580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 52.855935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.862650] CR2: ffffabbe41fe7e18 CR3: 0000000105736000 CR4: 00000000003506e0 # [ 52.870921] Call Trace: # [ 52.873958] ? execute_location+0x48/0x56 # [ 52.878736] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 52.883514] ? direct_entry.cold+0x2c/0x38 # [ 52.888396] ? full_proxy_write+0x56/0x80 # [ 52.893174] ? vfs_write+0xea/0x3a0 # [ 52.897367] ? ksys_write+0x68/0xf0 # [ 52.901559] ? do_syscall_64+0x33/0x40 # [ 52.906043] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.912186] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.928455] CR2: ffffabbe41fe7e18 # [ 52.932451] ---[ end trace 822abe8605a7ddb4 ]--- # [ 52.937911] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.942589] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 52.963877] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 52.970001] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.978269] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 52.986548] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 52.994822] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.003088] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 53.011359] FS: 00007f18e1cff580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 53.020701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.027415] CR2: ffffabbe41fe7e18 CR3: 0000000105736000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 53.331583] lkdtm: Performing direct entry EXEC_KMALLOC # [ 53.340309] lkdtm: attempting ok execution at ffffffff95ae50f0 # [ 53.347167] lkdtm: attempting bad execution at ffff8a7b832a0e80 # [ 53.354119] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.362779] BUG: unable to handle page fault for address: ffff8a7b832a0e80 # [ 53.370756] #PF: supervisor instruction fetch in kernel mode # [ 53.377372] #PF: error_code(0x0011) - permissions violation # [ 53.383891] PGD 166a01067 P4D 166a01067 PUD 10085a063 PMD <6>[ 54.149915] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 54.160862] lkdtm: attempting ok execution at ffffffff95ae50f0 <6>[ 54.167723] lkdtm: attempting bad execution at ffffabbe40669000 102c03063 PTE 80000001032a0063 # [ 53.393247] Oops: 0011 [#7]<2>[ 54.174669] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.189524] BUG: unable to handle page fault for address: ffffabbe40669000 <1>[ 54.197501] #PF: supervisor instruction fetch in kernel mode <1>[ 54.204116] #PF: error_code(0x0011) - permissions violation <6>[ 54.210634] PGD 100000067 P4D 100000067 PUD 100210067 PMD 104e6d067 PTE 8000000102c5a063 <4 SMP PTI # [ 53.397441] CPU: 2 PID: 1618 Comm: cat Tainted: >[ 54.219990] Oops: 0011 [#8] SMP PTI <4>[ 54.230296] CPU: 2 PID: 1654 Comm: cat Tainted: G D W 5.10.168-cip27 #1 D W 5.10.168-cip27 #1 # [ 53.406387] Hardware n<4>[ 54.239243] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.252359] RIP: 0010:0xffffabbe40669000 ame: Google Coral/Coral, BIOS 09/29/2020 # [ 53.413298] RIP:<4>[ 54.257038] Code: Unable to access opcode bytes at RIP 0xffffabbe40668fd6. <4>[ 54.271234] RSP: 0018:ffffabbe420f7e38 EFLAGS: 00010246 <4>[ 54.277378] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.285647] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffff8a7bfbd1bf70 <4>[ 54.293915] RBP: ffffabbe40669000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.302183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 54.310454] R13: ffffabbe420f7f10 R14: ffffabbe420f7f10 R15: ffff8a7b82c5a000 <4>[ 54.318723] FS: 00007f8c2e3ef580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 54.328061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.334776] CR2: ffffabbe40668fd6 CR3: 0000000104fde000 CR4: 00000000003506e0 <4>[ 54.343042] Call Trace: <4>[ 54.346080] ? execute_location+0x48/0x56 <4>[ 54.350861] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 54.355833] ? direct_entry.cold+0x2c/0x38 <4>[ 54.360707] ? full_proxy_write+0x56/0x80 <4>[ 54.365484] ? vfs_write+0xea/0x3a0 <4>[ 54.369678] ? ksys_write+0x68/0xf0 <4>[ 54.373872] ? do_syscall_64+0x33/0x40 <4>[ 54.378358] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 0010:0xffff8a7b832a0e80 # [ 53.417970] Code: 00 00 02 00 00 <4>[ 54.384498] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 54.406944] CR2: ffffabbe40669000 <4>[ 54.410942] ---[ end trace 822abe8605a7ddb6 ]--- <4>[ 54.416389] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.421068] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 54.442355] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 54.448481] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.456752] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 54.465024] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.473291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.481559] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 54.489829] FS: 00007f8c2e3ef580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 54.499165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.505880] CR2: ffffabbe40668fd6 CR3: 0000000104fde000 CR4: 00000000003506e0 <3>[ 54.514151] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 54.524359] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1654, name: cat <4>[ 54.533113] INFO: lockdep is turned off. <4>[ 54.537790] irq event stamp: 0 <4>[ 54.541492] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.548795] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 54.558229] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 54.567666] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.574969] CPU: 2 PID: 1654 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 54.583922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.590829] Call Trace: <4>[ 54.593860] dump_stack+0x77/0x9b <4>[ 54.597863] ___might_sleep.cold+0xa6/0xb6 <4>[ 54.602737] exit_signals+0x1c/0x2e0 <4>[ 54.607029] do_exit+0xc2/0xaf0 <4>[ 54.610834] ? ksys_write+0x68/0xf0 <4>[ 54.615027] make_task_dead+0x2f/0x30 <4>[ 54.619415] rewind_stack_and_make_dead+0x17/0x20 <4>[ 54.624965] RIP: 0033:0x7f8c2e305833 <4>[ 54.629254] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 54.650527] RSP: 002b:00007ffca8445bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.659276] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8c2e305833 <4>[ 54.667545] RDX: 000000000000000d RSI: 00007f8c2e1f8000 RDI: 0000000000000001 <4>[ 54.675814] RBP: 00007f8c2e1f8000 R08: 00007f8c2e1f7010 R09: 0000000000000000 <4>[ 54.684081] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.692349] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 30 95 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.439265] RSP: 0018:ffffabbe4205fe38 EFLAGS: 00010246 # [ 53.445405] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.453676] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffff8a7bfbd1bf70 # [ 53.461944] RBP: ffff8a7b832a0e80 R08: 0000000000000000 R09: 0000000000000000 # [ 53.470215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.478491] R13: ffffabbe4205ff10 R14: ffffabbe4205ff10 R15: ffff8a7b83c27000 # [ 53.486766] FS: 00007feb054a9580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 # [ 53.496103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.502817] CR2: ffff8a7b832a0e80 CR3: 0000000104248000 CR4: 00000000003506e0 # [ 53.511086] Call Trace: # [ 53.514121] ? execute_location+0x48/0x56 # [ 53.518902] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 53.523873] ? direct_entry.cold+0x2c/0x38 # [ 53.528748] ? full_proxy_write+0x56/0x80 # [ 53.533524] ? vfs_write+0xea/0x3a0 # [ 53.537720] ? ksys_write+0x68/0xf0 # [ 53.541904] ? do_syscall_64+0x33/0x40 # [ 53.546387] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.552518] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.568784] CR2: ffff8a7b832a0e80 # [ 53.572784] ---[ end trace 822abe8605a7ddb5 ]--- # [ 53.578237] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.582913] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 53.604197] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 53.610332] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.618600] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 53.626865] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 53.635133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.643399] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 53.651668] FS: 00007feb054a9580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 # [ 53.661003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.667717] CR2: ffff8a7b832a0e80 CR3: 0000000104248000 CR4: 00000000003506e0 # [ 53.675990] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.686200] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1618, name: cat # [ 53.694953] INFO: lockdep is turned off. # [ 53.699624] irq event stamp: 0 # [ 53.703327] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.710626] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.720051] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.7294<6>[ 55.001520] lkdtm: Performing direct entry EXEC_RODATA <6>[ 55.011438] lkdtm: attempting ok execution at ffffffff95ae50f0 <6>[ 55.018286] lkdtm: attempting bad execution at ffffffff968d15a0 83] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [<2>[ 55.025226] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 55.040083] BUG: unable to handle page fault for address: ffffffff968d15a0 <1>[ 55.048064] #PF: supervisor instruction fetch in kernel mode <1>[ 55.054680] #PF: error_code(0x0011) - permissions violation 53.736784] CPU: 2 PID: 1618 Comm: cat Tainted: G D W <6>[ 55.061199] PGD 165229067 P4D 165229067 PUD 16522a063 PMD 8000000164c001e1 < 4 5.10.168-cip27 #1 # [ 53.745731] Hardware name: Google >[ 55.075500] Oops: 0011 [#9] SMP PTI oral/Coral, BIOS 09/29/2020 # [ 53.752636] Call Trace: # [ <4>[ 55.085818] CPU: 1 PID: 1690 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 55.100996] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.107931] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 55.113976] Code: ff ff 3b bf 13 96 ff ff ff ff 8a 22 cb 96 ff ff ff ff 81 a6 13 96 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 55.135261] RSP: 0018:ffffabbe4212fe48 EFLAGS: 00010246 <4>[ 55.141398] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 55.149666] RDX: 0000000000000000 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 <4>[ 55.157937] RBP: ffffffff968d15a0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.166202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 55.174468] R13: ffffabbe4212ff10 R14: ffffabbe4212ff10 R15: ffff8a7b84dfd000 <4>[ 55.182738] FS: 00007fc86efdd580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 55.192073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.198786] CR2: ffffffff968d15a0 CR3: 0000000104eea000 CR4: 00000000003506e0 <4>[ 55.207051] Call Trace: <4>[ 55.210087] ? execute_location+0x48/0x56 <4>[ 55.214865] ? direct_entry.cold+0x2c/0x38 <4>[ 55.219738] ? full_proxy_write+0x56/0x80 <4>[ 55.224517] ? vfs_write+0xea/0x3a0 <4>[ 55.228712] ? ksys_write+0x68/0xf0 <4>[ 55.232908] ? do_syscall_64+0x33/0x40 <4>[ 55.237393] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 55.243535] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 55.259803] CR2: ffffffff968d15a0 <4>[ 55.263804] ---[ end trace 822abe8605a7ddb7 ]--- <4>[ 55.269263] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.273941] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 55.295223] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 55.301357] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.309624] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 55.317889] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.326154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.334423] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 55.342694] FS: 00007fc86efdd580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 55.352032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.358746] CR2: ffffffff968d15a0 CR3: 0000000104eea000 CR4: 00000000003506e0 53.755669] dump_stack+0x77/0x9b # [ 53.759671] ___might_sleep.cold+0xa6/0xb6 # [ 53.764547] exit_signals+0x1c/0x2e0 # [ 53.768835] do_exit+0xc2/0xaf0 # [ 53.772640] ? ksys_write+0x68/0xf0 # [ 53.776834] make_task_dead+0x2f/0x30 # [ 53.781223] rewind_stack_and_make_dead+0x17/0x20 # [ 53.786772] RIP: 0033:0x7feb053bf833 # [ 53.791060] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.812359] RSP: 002b:00007ffdd2046f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.821131] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007feb053bf833 # [ 53.829406] RDX: 000000000000000d RSI: 00007feb052b2000 RDI: 0000000000000001 # [ 53.837676] RBP: 00007feb052b2000 R08: 00007feb052b1010 R09: 0000000000000000 # [ 53.845942] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.854210] 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 # [ 54.149915] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.160862] lkdtm: attempting ok execution at ffffffff95ae50f0 # [ 54.167723] lkdtm: attempting bad execution at ffffabbe40669000 # [ 54.174669] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.189524] BUG: unable to handle page fault for address: ffffabbe40669000 # [ 54.197501] #PF: supervisor instruction fetch in kernel mode # [ 54.204116] #PF: error_code(0x0011) - permissions violation # [ 54.210634] PGD 100000067 P4D 100000067 PUD 100210067 PMD 104e6d067 PTE 8000000102c5a063 # [ 54.219990] Oops: 0011 [#8] SMP PTI # [ 54.230296] CPU: 2 PID: 1654 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 54.239243] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.252359] RIP: 0010:0xffffabbe40669000 # [ 54.257038] Code: Unable to access opcode bytes at RIP 0xffffabbe40668fd6. # [ 54.271234] RSP: 0018:ffffabbe420f7e38 EFLAGS: 00010246 # [ 54.277378] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.285647] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffff8a7bfbd1bf70 # [ 54.293915] RBP: ffffabbe40669000 R08: 0000000000000000 R09: 0000000000000000 # [ 54.302183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.310454] R13: ffffab<6>[ 55.613943] lkdtm: Performing direct entry EXEC_USERSPACE be420f7f10 R14: ffffabbe420f7f10 R15: ffff8a7b82c5a000 # [ 54<6>[ 55.622114] lkdtm: attempting ok execution at ffffffff95ae50f0 .318723] FS: 00007f8c2e3ef580(0000) GS:ffff8a7bfbd00000(0000) k<6>[ 55.635219] lkdtm: attempting bad execution at 00007f15b21ad000 nlGS:0000000000000000 # [ 54.328061] CS: 0010 DS: 0000 ES: 0<2>[ 55.648366] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 55.661287] BUG: unable to handle page fault for address: 00007f15b21ad000 <1>[ 55.669262] #PF: supervisor instruction fetch in kernel mode <1>[ 55.675882] #PF: error_code(0x0011) - permissions violation <6>[ 55.682407] PGD 8000000102700067 P4D 8000000102700067 PUD 1041a8067 PMD 1035c9067 PTE 109e1a067 <4>[ 55.692443] Oops: 0011 [#10] SMP PTI <4>[ 55.696733] CPU: 0 PID: 1726 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 55.705674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.712588] RIP: 0010:0x7f15b21ad000 <4>[ 55.716874] Code: Unable to access opcode bytes at RIP 0x7f15b21acfd6. <4>[ 55.724462] RSP: 0018:ffffabbe4220fe50 EFLAGS: 00010246 <4>[ 55.730599] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 55.738869] RDX: 0000000000000000 RSI: ffff8a7bfbc1bf70 RDI: ffff8a7bfbc1bf70 <4>[ 55.747135] RBP: 00007f15b21ad000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.755405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 55.763674] R13: ffffabbe4220ff10 R14: ffffabbe4220ff10 R15: ffff8a7b835c3000 <4>[ 55.771943] FS: 00007f15b217e580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 <4>[ 55.781285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.788005] CR2: 00007f15b21ad000 CR3: 0000000103220000 CR4: 00000000003506f0 <4>[ 55.796274] Call Trace: <4>[ 55.799313] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae <4>[ 55.804966] ? direct_entry.cold+0x2c/0x38 <4>[ 55.809842] ? full_proxy_write+0x56/0x80 <4>[ 55.814623] ? vfs_write+0xea/0x3a0 <4>[ 55.818815] ? ksys_write+0x68/0xf0 <4>[ 55.823002] ? do_syscall_64+0x33/0x40 <4>[ 55.827485] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 000 CR0: 0000000080050033 # [ 54.334776] CR2: ffffabbe40668fd<4>[ 55.833624] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 55.856102] CR2: 00007f15b21ad000 <4>[ 55.860101] ---[ end trace 822abe8605a7ddb8 ]--- <4>[ 55.865558] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.870235] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 55.891519] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 55.897651] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.905917] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 55.914185] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.922452] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.930722] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 55.938990] FS: 00007f15b217e580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 <4>[ 55.948327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.955041] CR2: 00007f15b21ad000 CR3: 0000000103220000 CR4: 00000000003506f0 <3>[ 55.963311] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 55.973524] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1726, name: cat <4>[ 55.982277] INFO: lockdep is turned off. <4>[ 55.986952] irq event stamp: 0 <4>[ 55.990659] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.997965] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 56.007408] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 56.016852] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.024151] CPU: 0 PID: 1726 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 56.033099] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.040006] Call Trace: <4>[ 56.043039] dump_stack+0x77/0x9b <4>[ 56.047047] ___might_sleep.cold+0xa6/0xb6 <4>[ 56.051934] exit_signals+0x1c/0x2e0 <4>[ 56.056235] do_exit+0xc2/0xaf0 <4>[ 56.060042] ? ksys_write+0x68/0xf0 6 CR3: 0000000104fde000 CR4: 00000000003506e0 # [ 54.343042] <4>[ 56.064239] make_task_dead+0x2f/0x30 <4>[ 56.074841] rewind_stack_and_make_dead+0x17/0x20 <4>[ 56.080392] RIP: 0033:0x7f15b2094833 <4>[ 56.084680] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 56.105965] RSP: 002b:00007ffc75bbfe38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.114711] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f15b2094833 <4>[ 56.122979] RDX: 000000000000000f RSI: 00007f15b1f87000 RDI: 0000000000000001 <4>[ 56.131247] RBP: 00007f15b1f87000 R08: 00007f15b1f86010 R09: 0000000000000000 <4>[ 56.139514] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.147780] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Call Trace: # [ 54.346080] ? execute_location+0x48/0x56 # [ 54.350861] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 54.355833] ? direct_entry.cold+0x2c/0x38 # [ 54.360707] ? full_proxy_write+0x56/0x80 # [ 54.365484] ? vfs_write+0xea/0x3a0 # [ 54.369678] ? ksys_write+0x68/0xf0 # [ 54.373872] ? do_syscall_64+0x33/0x40 # [ 54.378358] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.384498] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.406944] CR2: ffffabbe40669000 # [ 54.410942] ---[ end trace 822abe8605a7ddb6 ]--- # [ 54.416389] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.421068] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 54.442355] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 54.448481] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.456752] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 54.465024] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 54.473291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.481559] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 54.489829] FS: 00007f8c2e3ef580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 # [ 54.499165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.505880] CR2: ffffabbe40668fd6 CR3: 0000000104fde000 CR4: 00000000003506e0 # [ 54.514151] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.524359] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1654, name: cat # [ 54.533113] INFO: lockdep is turned off. # [ 54.537790] irq event stamp: 0 # [ 54.541492] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.548795] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.558229] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.567666] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.574969] CPU: 2 PID: 1654 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 54.583922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.590829] Call Trace: # [ 54.593860] dump_stack+0x77/0x9b # [ 54.597863] ___might_sleep.cold+0xa6/0xb6 # [ 54.602737] exit_signals+0x1c/0x2e0 # [ 54.607029] do_exit+0xc2/0xaf0 # [ 54.610834] ? ksys_write+0x68/0xf0 # [ 54.615027] make_task_dead+0x2f/0x30 # [ 54.619415] rewind_stack_and_make_dead+0x17/0x20 # [ 54.624965] RIP: 0033:0x7f8c2e305833 # [ 54.629254] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4<6>[ 56.447868] lkdtm: Performing direct entry EXEC_NULL 8 83 ec 28 48 89 54 24 18 # [ 54.650527] RSP: 002b:00007ffca8<6>[ 56.454132] lkdtm: attempting ok execution at ffffffff95ae50f0 445bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.659<6>[ 56.467190] lkdtm: attempting bad execution at 0000000000000000 276] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8c2e<1>[ 56.480431] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 56.494590] #PF: supervisor instruction fetch in kernel mode <1>[ 56.501209] #PF: error_code(0x0010) - not-present page <6>[ 56.507248] PGD 0 P4D 0 <4>[ 56.510378] Oops: 0010 [#11] SMP PTI <4>[ 56.514668] CPU: 3 PID: 1762 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 56.523614] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.530525] RIP: 0010:0x0 <4>[ 56.533747] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 56.541725] RSP: 0018:ffffabbe42277e48 EFLAGS: 00010246 <4>[ 56.547857] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 56.556126] RDX: 0000000000000000 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 <4>[ 56.564393] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.572663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 56.580930] R13: ffffabbe42277f10 R14: ffffabbe42277f10 R15: ffff8a7b84cae000 <4>[ 56.589200] FS: 00007fa588a31580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 <4>[ 56.598536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.605249] CR2: ffffffffffffffd6 CR3: 0000000104dfe000 CR4: 00000000003506e0 <4>[ 56.613520] Call Trace: <4>[ 56.616557] execute_location+0x48/0x56 <4>[ 56.621141] direct_entry.cold+0x2c/0x38 <4>[ 56.625821] full_proxy_write+0x56/0x80 <4>[ 56.630404] vfs_write+0xea/0x3a0 <4>[ 56.634403] ksys_write+0x68/0xf0 <4>[ 56.638403] do_syscall_64+0x33/0x40 <4>[ 56.642693] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 56.648634] RIP: 0033:0x7fa588947833 <4>[ 56.652923] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 56.674210] RSP: 002b:00007fffd2ee8ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.682959] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa588947833 <4>[ 56.691228] RDX: 000000000000000a RSI: 00007fa58883a000 RDI: 0000000000000001 <4>[ 56.699496] RBP: 00007fa58883a000 R08: 00007fa588839010 R09: 0000000000000000 <4>[ 56.707764] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.716031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 56.724308] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 56.740569] CR2: 0000000000000000 <4>[ 56.744568] ---[ end trace 822abe8605a7ddb9 ]--- <4>[ 56.750025] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 56.754701] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 56.775982] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 56.782116] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.790384] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 56.798653] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 56.806921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 56.815189] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 56.823457] FS: 00007fa588a31580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 <4>[ 56.832793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.839505] CR2: ffffffffffffffd6 CR3: 0000000104dfe000 CR4: 00000000003506e0 305833 # [ 54.667545] RDX: 000000000000000d RSI: 00007f8c2e1f8000 RDI: 0000000000000001 # [ 54.675814] RBP: 00007f8c2e1f8000 R08: 00007f8c2e1f7010 R09: 0000000000000000 # [ 54.684081] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.692349] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 55.001520] lkdtm: Performing direct entry EXEC_RODATA # [ 55.011438] lkdtm: attempting ok execution at ffffffff95ae50f0 # [ 55.018286] lkdtm: attempting bad execution at ffffffff968d15a0 # [ 55.025226] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.040083] BUG: unable to handle page fault for address: ffffffff968d15a0 # [ 55.048064] #PF: supervisor instruction fetch in kernel mode # [ 55.054680] #PF: error_code(0x0011) - permissions violation # [ 55.061199] PGD 165229067 P4D 165229067 PUD 16522a063 PMD 8000000164c001e1 # [ 55.075500] Oops: 0011 [#9] SMP PTI # [ 55.085818] CPU: 1 PID: 1690 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 55.100996] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.107931] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 55.113976] Code: ff ff 3b bf 13 96 ff ff ff ff 8a 22 cb 96 ff ff ff ff 81 a6 13 96 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 55.135261] RSP: 0018:ffffabbe4212fe48 EFLAGS: 00010246 # [ 55.141398] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 55.149666] RDX: 0000000000000000 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 # [ 55.157937] RBP: ffffffff968d15a0 R08: 0000000000000000 R09: 0000000000000000 # [ 55.166202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 55.174468] R13: ffffabbe4212ff10 R14: ffffabbe4212ff10 R15: ffff8a7b84dfd000 # [ 55.182738] FS: 00007fc86efdd580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 55.192073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.198786] CR2: ffffffff968d15a0 CR3: 0000000104eea000 CR4: 00000000003506e0 # [ 55.207051] Call Trace: # [ 55.210087] ? execute_location+0x48/0x56 # [ 55.214865] ? direct_entry.cold+0x2c/0x38 # [ 55.219738] ? full_proxy_write+0x56/0x80 # [ 55.224517] ? vfs_write+0xea/0x3a0 # [ 55.228712] ? ksys_write+0x68/0xf0 # [ 55.232908] ? do_syscall_64+0x33/0x40 # [ 55.237393] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.243535] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.259803] CR2: ffffffff968d15a0 # [ 55.263804] ---[ end trace 822abe8605a7ddb7 ]--- # [ 55.269263] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.273941] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 55.295223] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 55.301357] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.309624] RDX: 000<6>[ 57.170648] lkdtm: Performing direct entry ACCESS_USERSPACE 0000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ <6>[ 57.177709] lkdtm: attempting bad read at 00007f19972d5000 55.317889] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 000<1>[ 57.190371] BUG: unable to handle page fault for address: 00007f19972d5000 <1>[ 57.204519] #PF: supervisor read access in kernel mode <1>[ 57.210559] #PF: error_code(0x0001) - permissions violation <6>[ 57.217081] PGD 8000000104f06067 P4D 8000000104f06067 PUD 104cc2067 PMD 103500067 PTE 1067b4067 <4>[ 57.227116] Oops: 0001 [#12] SMP PTI <4>[ 57.231407] CPU: 3 PID: 1797 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 57.240355] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.247275] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 57.253800] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 2f cb 96 e8 3e 96 fd ff 48 c7 c7 d0 2f cb 96 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 f8 2f cb <4>[ 57.275086] RSP: 0018:ffffabbe4230fe48 EFLAGS: 00010246 <4>[ 57.281220] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 57.289488] RDX: 0000000000000000 RSI: ffff8a7bfbd9bf70 RDI: ffffffff96cb2fd0 <4>[ 57.297755] RBP: 00007f19972d5000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.306020] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 57.314290] R13: ffffabbe4230ff10 R14: ffffabbe4230ff10 R15: ffff8a7b840ea000 <4>[ 57.322560] FS: 00007f19972a6580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 <4>[ 57.331897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.338608] CR2: 00007f19972d5000 CR3: 00000001032fa000 CR4: 00000000003506e0 <4>[ 57.346875] Call Trace: <4>[ 57.349911] direct_entry.cold+0x2c/0x38 <4>[ 57.354592] full_proxy_write+0x56/0x80 <4>[ 57.359176] vfs_write+0xea/0x3a0 <4>[ 57.363175] ksys_write+0x68/0xf0 <4>[ 57.367175] do_syscall_64+0x33/0x40 <4>[ 57.371467] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 57.377407] RIP: 0033:0x7f19971bc833 <4>[ 57.381696] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 57.402982] RSP: 002b:00007ffeff584568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.411741] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f19971bc833 <4>[ 57.420009] RDX: 0000000000000011 RSI: 00007f19970af000 RDI: 0000000000000001 <4>[ 57.428275] RBP: 00007f19970af000 R08: 00007f19970ae010 R09: 0000000000000000 <4>[ 57.436544] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.444815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 57.453094] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 57.469361] CR2: 00007f19972d5000 <4>[ 57.473353] ---[ end trace 822abe8605a7ddba ]--- <4>[ 57.478808] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.483483] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 57.504771] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 57.510902] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.519178] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 57.527445] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.535712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.543984] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 57.552252] FS: 00007f19972a6580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 <4>[ 57.561592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.568306] CR2: 00007f19972d5000 CR3: 00000001032fa000 CR4: 00000000003506e0 <3>[ 57.576578] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 57.586792] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1797, name: cat <4>[ 57.595549] INFO: lockdep is turned off. <4>[ 57.600223] irq event stamp: 0 <4>[ 57.603926] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.611228] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 57.620667] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 57.630099] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.637397] CPU: 3 PID: 1797 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 57.646350] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.653257] Call Trace: <4>[ 57.656293] dump_stack+0x77/0x9b <4>[ 57.660302] ___might_sleep.cold+0xa6/0xb6 <4>[ 57.665181] exit_signals+0x1c/0x2e0 <4>[ 57.669468] do_exit+0xc2/0xaf0 <4>[ 57.673275] ? ksys_write+0x68/0xf0 <4>[ 57.677469] make_task_dead+0x2f/0x30 <4>[ 57.681858] rewind_stack_and_make_dead+0x17/0x20 <4>[ 57.687403] RIP: 0033:0x7f19971bc833 <4>[ 57.691694] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 57.712974] RSP: 002b:00007ffeff584568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.721735] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f19971bc833 <4>[ 57.730003] RDX: 0000000000000011 RSI: 00007f19970af000 RDI: 0000000000000001 <4>[ 57.738271] RBP: 00007f19970af000 R08: 00007f19970ae010 R09: 0000000000000000 <4>[ 57.746539] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.754806] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000001 # [ 55.326154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.334423] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 55.342694] FS: 00007fc86efdd580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 55.352032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.358746] CR2: ffffffff968d15a0 CR3: 0000000104eea000 CR4: 00000000003506e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 55.613943] lkdtm: Performing direct entry EXEC_USERSPACE # [ 55.622114] lkdtm: attempting ok execution at ffffffff95ae50f0 # [ 55.635219] lkdtm: attempting bad execution at 00007f15b21ad000 # [ 55.648366] unable to execute userspace code (SMEP?) (uid: 0) # [ 55.661287] BUG: unable to handle page fault for address: 00007f15b21ad000 # [ 55.669262] #PF: supervisor instruction fetch in kernel mode # [ 55.675882] #PF: error_code(0x0011) - permissions violation # [ 55.682407] PGD 8000000102700067 P4D 8000000102700067 PUD 1041a8067 PMD 1035c9067 PTE 109e1a067 # [ 55.692443] Oops: 0011 [#10] SMP PTI # [ 55.696733] CPU: 0 PID: 1726 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 55.705674] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.712588] RIP: 0010:0x7f15b21ad000 # [ 55.716874] Code: Unable to access opcode bytes at RIP 0x7f15b21acfd6. # [ 55.724462] RSP: 0018:ffffabbe4220fe50 EFLAGS: 00010246 # [ 55.730599] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 55.738869] RDX: 0000000000000000 RSI: ffff8a7bfbc1bf70 RDI: ffff8a7bfbc1bf70 # [ 55.747135] RBP: 00007f15b21ad000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.755405] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 55.763674] R13: ffffabbe4220ff10 R14: ffffabbe4220ff10 R15: ffff8a7b835c3000 # [ 55.771943] FS: 00007f15b217e580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 # [ 55.781285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.788005] CR2: 00007f15b21ad000 CR3: 0000000103220000 CR4: 00000000003506f0 # [ 55.796274] Call Trace: # [ 55.799313] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 55.804966] ? direct_entry.cold+0x2c/0x38 # [ 55.809842] ? full_proxy_write+0x56/0x80 # [ 55.814623] ? vfs_write+0xea/0x3a0 # [ 55.818815] ? ksys_write+0x68/0xf0 # [ 55.823002] ? do_syscall_64+0x33/0x40 # [ 55.827485] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.833624] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.856102] CR2: 00007f15b21ad000 # [ 55.860101] ---[ end trace 822abe8605a7ddb8 ]--- # [ 55.865558] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.870235] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 55.891519] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 55.897651] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.905917] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 55.914185] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 55.922452] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.930722] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 55.938990] FS: 00007f15b217e580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 # [ 55.948327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.955041] CR2: 00007f15b21<6>[ 58.128493] lkdtm: Performing direct entry ACCESS_NULL ad000 CR3: 0000000103220000 CR4: 00000000003506f0 # [ 55.9633<6>[ 58.136007] lkdtm: attempting bad read at 0000000000000000 11] BUG: sleeping function called from invalid context at includ<1>[ 58.148702] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 58.162980] #PF: supervisor read access in kernel mode <1>[ 58.169014] #PF: error_code(0x0000) - not-present page <6>[ 58.175047] PGD 0 P4D 0 <4>[ 58.178179] Oops: 0000 [#13] SMP PTI [ 58.182470] CPU: 0 PID: 1832 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 58.197538] Hardware name: Google Coral/Coral, BIOS 09/29/2020 _disabled(): 1, non_block: 0, pid: 1726, name: cat # [ 55.982<4>[ 58.204457] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 58.216230] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 6a d4 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 2f cb 96 e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 2f cb 96 48 01 <4>[ 58.237517] RSP: 0018:ffffabbe423a7e58 EFLAGS: 00010246 <4>[ 58.243652] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 58.251926] RDX: 0000000000000000 RSI: ffff8a7bfbc1bf70 RDI: ffff8a7bfbc1bf70 <4>[ 58.260193] RBP: ffffffff96cb2099 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.268461] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c 277] INFO: lockdep is turned off. # [ 55.986952] irq event st<4>[ 58.276728] R13: ffffabbe423a7f10 R14: ffffabbe423a7f10 R15: ffff8a7b83d9e000 <4>[ 58.291217] FS: 00007f1e5ada2580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 <4>[ 58.300554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.307267] CR2: 0000000000000000 CR3: 0000000103d34000 CR4: 00000000003506f0 <4>[ 58.315536] Call Trace: <4>[ 58.318574] direct_entry.cold+0x2c/0x38 <4>[ 58.323259] full_proxy_write+0x56/0x80 <4>[ 58.327844] vfs_write+0xea/0x3a0 <4>[ 58.331843] ksys_write+0x68/0xf0 <4>[ 58.335845] do_syscall_64+0x33/0x40 <4>[ 58.340136] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 58.346080] RIP: 0033:0x7f1e5acb8833 <4>[ 58.350370] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.371653] RSP: 002b:00007ffdf5910258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.380412] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1e5acb8833 <4>[ 58.388679] RDX: 000000000000000c RSI: 00007f1e5abab000 RDI: 0000000000000001 <4>[ 58.396947] RBP: 00007f1e5abab000 R08: 00007f1e5abaa010 R09: 0000000000000000 <4>[ 58.405215] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.413483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 amp: 0 # [ 55.990659] hardirqs last enabled at (0): [<000000<4>[ 58.421761] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 58.444239] CR2: 0000000000000000 <4>[ 58.448240] ---[ end trace 822abe8605a7ddbb ]--- <4>[ 58.453703] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.458381] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 58.479654] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 58.485788] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.494056] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 58.502323] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.510589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.518859] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 58.527128] FS: 00007f1e5ada2580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 <4>[ 58.536463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.543176] CR2: 0000000000000000 CR3: 0000000103d34000 CR4: 00000000003506f0 0000000000>] 0x0 # [ 55.997965] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.007408] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.016852] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.024151] CPU: 0 PID: 1726 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 56.033099] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.040006] Call Trace: # [ 56.043039] dump_stack+0x77/0x9b # [ 56.047047] ___might_sleep.cold+0xa6/0xb6 # [ 56.051934] exit_signals+0x1c/0x2e0 # [ 56.056235] do_exit+0xc2/0xaf0 # [ 56.060042] ? ksys_write+0x68/0xf0 # [ 56.064239] make_task_dead+0x2f/0x30 # [ 56.074841] rewind_stack_and_make_dead+0x17/0x20 # [ 56.080392] RIP: 0033:0x7f15b2094833 # [ 56.084680] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.105965] RSP: 002b:00007ffc75bbfe38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.114711] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f15b2094833 # [ 56.122979] RDX: 000000000000000f RSI: 00007f15b1f87000 RDI: 0000000000000001 # [ 56.131247] RBP: 00007f15b1f87000 R08: 00007f15b1f86010 R09: 0000000000000000 # [ 56.139514] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.147780] 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 # [ 56.447868] lkdtm: Performing direct entry EXEC_NULL # [ 56.454132] lkdtm: attempting ok execution at ffffffff95ae50f0 # [ 56.467190] lkdtm: attempting bad execution at 0000000000000000 # [ 56.480431] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.494590] #PF: supervisor instruction fetch in kernel mode # [ 56.501209] #PF: error_code(0x0010) - not-present page # [ 56.507248] PGD 0 P4D 0 # [ 56.510378] Oops: 0010 [#11] SMP PTI # [ 56.514668] CPU: 3 PID: 1762 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 56.523614] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.530525] RIP: 0010:0x0 # [ 56.533747] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 56.541725] RSP: 0018:ffffabbe42277e48 EFLAGS: 00010246 # [ 56.547857] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.556126] RDX: 0000000000000000 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 # [ 56.564393] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.572663] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 56.580930] R13: ffffabbe42277f10 R14: ffffabbe42277f10 R15: ffff8a7b84cae000 # [ 56.589200] FS: 00007fa588a31580(0000) GS:ffff8a7bfbd80000(0000) knlGS:00000000<6>[ 58.838282] lkdtm: Performing direct entry WRITE_RO <6>[ 58.849400] lkdtm: attempting bad rodata write at ffffffff968d1590 <1>[ 58.856669] BUG: unable to handle page fault for address: ffffffff968d1590 <1>[ 58.864650] #PF: supervisor write access in kernel mode <1>[ 58.870782] #PF: error_code(0x0003) - permissions violation <6>[ 58.877301] PGD 165229067 P4D 165229067 PUD 16522a063 PMD 8000000164c001e1 <4>[ 58.885391] Oops: 0003 [#14] SMP PTI <4>[ 58.889679] CPU: 1 PID: 1867 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 58.898625] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.905544] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 58.910804] Code: 00 48 c7 c7 88 2e cb 96 48 c7 c6 90 15 8d 96 e8 66 98 fd ff 48 8b 05 c4 6b 79 00 ba 34 12 cd ab 48 c7 c7 b8 2e cb 96 48 31 d0 <48> 89 05 ae 6b 79 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d 39 <4>[ 58.932077] RSP: 0018:ffffabbe42437e60 EFLAGS: 00010202 <4>[ 58.938202] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 58.946467] RDX: 00000000abcd1234 RSI: ffff8a7bfbc9bf70 RDI: ffffffff96cb2eb8 <4>[ 58.954735] RBP: ffffffff96cb20a5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.963004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 58.971276] R13: ffffabbe42437f10 R14: ffffabbe42437f10 R15: ffff8a7b840ea000 <4>[ 58.979545] FS: 00007f9c2fbee580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 58.988883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.995595] CR2: ffffffff968d1590 CR3: 00000001042c2000 CR4: 00000000003506e0 <4>[ 59.003862] Call Trace: <4>[ 59.006893] direct_entry.cold+0x2c/0x38 <4>[ 59.011576] full_proxy_write+0x56/0x80 <4>[ 59.016161] vfs_write+0xea/0x3a0 <4>[ 59.020160] ksys_write+0x68/0xf0 <4>[ 59.024159] do_syscall_64+0x33/0x40 <4>[ 59.028452] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 59.034393] RIP: 0033:0x7f9c2fb04833 <4>[ 59.038680] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.059960] RSP: 002b:00007ffd212556a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.068715] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9c2fb04833 <4>[ 59.076982] RDX: 0000000000000009 RSI: 00007f9c2f9f7000 RDI: 0000000000000001 <4>[ 59.085249] RBP: 00007f9c2f9f7000 R08: 00007f9c2f9f6010 R09: 0000000000000000 <4>[ 59.093515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.101784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 59.110064] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 59.126330] CR2: ffffffff968d1590 <4>[ 59.130327] ---[ end trace 822abe8605a7ddbc ]--- <4>[ 59.135773] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.140451] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 59.161735] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 59.167869] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.176136] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 59.184401] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.192668] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.200935] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 59.209202] FS: 00007f9c2fbee580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 59.218537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.225252] CR2: ffffffff968d1590 CR3: 00000001042c2000 CR4: 00000000003506e0 <3>[ 59.233521] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 59.243732] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1867, name: cat <4>[ 59.252484] INFO: lockdep is turned off. <4>[ 59.257157] irq event stamp: 0 <4>[ 59.260860] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.268160] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 59.277593] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 59.287027] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.294328] CPU: 1 PID: 1867 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 59.303273] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.310179] Call Trace: <4>[ 59.313210] dump_stack+0x77/0x9b <4>[ 59.317213] ___might_sleep.cold+0xa6/0xb6 <4>[ 59.322089] exit_signals+0x1c/0x2e0 <4>[ 59.326378] do_exit+0xc2/0xaf0 <4>[ 59.330182] ? ksys_write+0x68/0xf0 <4>[ 59.334378] make_task_dead+0x2f/0x30 <4>[ 59.338767] rewind_stack_and_make_dead+0x17/0x20 <4>[ 59.344317] RIP: 0033:0x7f9c2fb04833 <4>[ 59.348606] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.369903] RSP: 002b:00007ffd212556a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.378663] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9c2fb04833 <4>[ 59.386934] RDX: 0000000000000009 RSI: 00007f9c2f9f7000 RDI: 0000000000000001 <4>[ 59.395209] RBP: 00007f9c2f9f7000 R08: 00007f9c2f9f6010 R09: 0000000000000000 <4>[ 59.403479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.411748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000 # [ 56.598536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.605249] CR2: ffffffffffffffd6 CR3: 0000000104dfe000 CR4: 00000000003506e0 # [ 56.613520] Call Trace: # [ 56.616557] execute_location+0x48/0x56 # [ 56.621141] direct_entry.cold+0x2c/0x38 # [ 56.625821] full_proxy_write+0x56/0x80 # [ 56.630404] vfs_write+0xea/0x3a0 # [ 56.634403] ksys_write+0x68/0xf0 # [ 56.638403] do_syscall_64+0x33/0x40 # [ 56.642693] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.648634] RIP: 0033:0x7fa588947833 # [ 56.652923] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.674210] RSP: 002b:00007fffd2ee8ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.682959] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa588947833 # [ 56.691228] RDX: 000000000000000a RSI: 00007fa58883a000 RDI: 0000000000000001 # [ 56.699496] RBP: 00007fa58883a000 R08: 00007fa588839010 R09: 0000000000000000 # [ 56.707764] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.716031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.724308] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.740569] CR2: 0000000000000000 # [ 56.744568] ---[ end trace 822abe8605a7ddb9 ]--- # [ 56.750025] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.754701] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 56.775982] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 56.782116] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.790384] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 56.798653] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 56.806921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.815189] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 56.823457] FS: 00007fa588a31580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 56.832793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.839505] CR2: ffffffffffffffd6 CR3: 0000000104dfe000 CR4: 00000000003506e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.170648] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.177709] lkdtm: attempting bad read at 00007f19972d5000 # [ 57.190371] BUG: unable to handle page fault for address: 00007f19972d5000 # [ 57.204519] #PF: supervisor read access in kernel mode # [ 57.210559] #PF: error_code(0x0001) - permissions violation # [ 57.217081] PGD 8000000104f06067 P4D 8000000104f06067 PUD 104cc2067 PMD 103500067 PTE 1067b4067 # [ 57.227116] Oops: 0001 [#12] SMP PTI # [ 57.231407] CPU: 3 PID: 1797 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 57.240355] Hardware<6>[ 59.736764] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 59.743975] lkdtm: attempting bad ro_after_init write at ffffffff96d2e330 <1>[ 59.751900] BUG: unable to handle page fault for address: ffffffff96d2e330 <1>[ 59.759883] #PF: supervisor write access in kernel mode name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.247275] RI<1>[ 59.766016] #PF: error_code(0x0003) - permissions violation P: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.253800] <6>[ 59.778747] PGD 165229067 P4D 165229067 PUD 16522a063 PMD 102739163 PTE 800000016512e061 <4>[ 59.794307] Oops: 0003 [#15] SMP PTI Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c<4>[ 59.798598] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 59.813749] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.820668] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 59.826992] Code: 2e cb 96 e9 18 98 fd ff 48 c7 c7 10 2f cb 96 e8 0c 98 fd ff 48 8b 05 0a 39 bf 00 ba 34 12 cd ab 48 c7 c7 b8 2e cb 96 48 31 d0 <48> 89 05 f4 38 bf 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 59.848274] RSP: 0018:ffffabbe424bfe60 EFLAGS: 00010202 <4>[ 59.854409] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 59.862678] RDX: 00000000abcd1234 RSI: ffff8a7bfbc9bf70 RDI: ffffffff96cb2eb8 <4>[ 59.870947] RBP: ffffffff96cb20ae R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.879214] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 59.887483] R13: ffffabbe424bff10 R14: ffffabbe424bff10 R15: ffff8a7b83408000 <4>[ 59.895751] FS: 00007fe8424b0580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 59.905089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.911800] CR2: ffffffff96d2e330 CR3: 00000001032ec000 CR4: 00000000003506e0 <4>[ 59.920068] Call Trace: <4>[ 59.923101] direct_entry.cold+0x2c/0x38 <4>[ 59.927787] full_proxy_write+0x56/0x80 <4>[ 59.932371] vfs_write+0xea/0x3a0 <4>[ 59.936371] ksys_write+0x68/0xf0 <4>[ 59.940373] do_syscall_64+0x33/0x40 <4>[ 59.944665] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 59.950610] RIP: 0033:0x7fe8423c6833 <4>[ 59.954900] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.976193] RSP: 002b:00007ffea52cdd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.984949] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fe8423c6833 <4>[ 59.993222] RDX: 0000000000000014 RSI: 00007fe8422b9000 RDI: 0000000000000001 <4>[ 60.001489] RBP: 00007fe8422b9000 R08: 00007fe8422b8010 R09: 0000000000000000 <4>[ 60.009756] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.018027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 60.026303] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 60.042570] CR2: ffffffff96d2e330 <4>[ 60.046570] ---[ end trace 822abe8605a7ddbd ]--- <4>[ 60.052028] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.056703] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 60.077988] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 60.084114] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.092381] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 60.100646] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.108913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.117177] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 60.125446] FS: 00007fe8424b0580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 60.134781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.141495] CR2: ffffffff96d2e330 CR3: 00000001032ec000 CR4: 00000000003506e0 7 c7 a8 2f cb 96 e8 3e 96 fd ff 48 c7 c7 d0 2f cb 96 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 f8 2f cb # [ 57.275086] RSP: 0018:ffffabbe4230fe48 EFLAGS: 00010246 # [ 57.281220] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.289488] RDX: 0000000000000000 RSI: ffff8a7bfbd9bf70 RDI: ffffffff96cb2fd0 # [ 57.297755] RBP: 00007f19972d5000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.306020] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.314290] R13: ffffabbe4230ff10 R14: ffffabbe4230ff10 R15: ffff8a7b840ea000 # [ 57.322560] FS: 00007f19972a6580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 57.331897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.338608] CR2: 00007f19972d5000 CR3: 00000001032fa000 CR4: 00000000003506e0 # [ 57.346875] Call Trace: # [ 57.349911] direct_entry.cold+0x2c/0x38 # [ 57.354592] full_proxy_write+0x56/0x80 # [ 57.359176] vfs_write+0xea/0x3a0 # [ 57.363175] ksys_write+0x68/0xf0 # [ 57.367175] do_syscall_64+0x33/0x40 # [ 57.371467] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.377407] RIP: 0033:0x7f19971bc833 # [ 57.381696] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.402982] RSP: 002b:00007ffeff584568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.411741] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f19971bc833 # [ 57.420009] RDX: 0000000000000011 RSI: 00007f19970af000 RDI: 0000000000000001 # [ 57.428275] RBP: 00007f19970af000 R08: 00007f19970ae010 R09: 0000000000000000 # [ 57.436544] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.444815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.453094] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.469361] CR2: 00007f19972d5000 # [ 57.473353] ---[ end trace 822abe8605a7ddba ]--- # [ 57.478808] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.483483] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 57.504771] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 57.510902] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.519178] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 57.527445] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 57.535712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.543984] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 57.552252] FS: 00007f19972a6580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 57.561592] CS: 0010 <6>[ 60.445633] lkdtm: Performing direct entry WRITE_KERN <6>[ 60.454179] lkdtm: attempting bad 6641750 byte write at ffffffff9613a946 <1>[ 60.462021] BUG: unable to handle page fault for address: ffffffff9613a946 <1>[ 60.470002] #PF: supervisor write access in kernel mode DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.568306] CR2: 0<1>[ 60.476133] #PF: error_code(0x0003) - permissions violation 0007f19972d5000 CR3: 00000001032fa000 CR4: 00000000003506e0 # [<6>[ 60.488855] PGD 165229067 P4D 165229067 PUD 16522a063 PMD 1644001e1 <4>[ 60.502478] Oops: 0003 [#16] SMP PTI 57.576578] BUG: sleeping function called from invalid context<4>[ 60.506771] CPU: 2 PID: 1937 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 60.521922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.528840] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 60.534297] Code: 53 48 c7 c3 46 a9 13 96 49 89 dc 48 89 da 49 81 ec f0 50 ae 95 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 f0 50 ae 95 a4 48 c7 c7 b8 2e cb 96 e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff <4>[ 60.555583] RSP: 0018:ffffabbe42547e50 EFLAGS: 00010246 <4>[ 60.561717] RAX: 000000000000003c RBX: ffffffff9613a946 RCX: 0000000000655856 <4>[ 60.569986] RDX: 0000000000000000 RSI: ffffffff95ae50f0 RDI: ffffffff9613a946 <4>[ 60.578255] RBP: ffffffff96cb20c2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.586521] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000655856 <4>[ 60.594790] R13: ffffabbe42547f10 R14: ffffabbe42547f10 R15: ffff8a7b84f03000 <4>[ 60.603058] FS: 00007f2e2c5c0580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 60.612394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.619106] CR2: ffffffff9613a946 CR3: 00000001034b8000 CR4: 00000000003506e0 <4>[ 60.627374] Call Trace: <4>[ 60.630413] direct_entry.cold+0x2c/0x38 <4>[ 60.635096] full_proxy_write+0x56/0x80 <4>[ 60.639679] vfs_write+0xea/0x3a0 <4>[ 60.643678] ksys_write+0x68/0xf0 <4>[ 60.647678] do_syscall_64+0x33/0x40 <4>[ 60.651967] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 60.657908] RIP: 0033:0x7f2e2c4d6833 <4>[ 60.662186] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 60.683460] RSP: 002b:00007ffc328488b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.692216] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2e2c4d6833 <4>[ 60.700482] RDX: 000000000000000b RSI: 00007f2e2c3c9000 RDI: 0000000000000001 <4>[ 60.708748] RBP: 00007f2e2c3c9000 R08: 00007f2e2c3c8010 R09: 0000000000000000 <4>[ 60.717013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.725280] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 at include/linux/percpu-rwsem.h:49 # [ 57.586792] in_atomic(<4>[ 60.733559] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 60.756038] CR2: ffffffff9613a946 <4>[ 60.760030] ---[ end trace 822abe8605a7ddbe ]--- <4>[ 60.765486] RIP: 0010:lkdtm_BUG+0x5/0x10 ): 0, irqs_disabled(): 1, non_block: 0, pid: 1797, name: cat # <4>[ 60.770164] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 <4>[ 60.797652] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 <4>[ 60.803784] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.812052] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 <4>[ 60.820319] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.828588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.836857] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 <4>[ 60.845126] FS: 00007f2e2c5c0580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 60.854460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.861173] CR2: ffffffff9613a946 CR3: 00000001034b8000 CR4: 00000000003506e0 <3>[ 60.869444] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 60.879655] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1937, name: cat <4>[ 60.888407] INFO: lockdep is turned off. <4>[ 60.893081] irq event stamp: 0 <4>[ 60.896784] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.904084] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 60.913517] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 60.922950] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.930248] CPU: 2 PID: 1937 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 60.939195] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.946099] Call Trace: <4>[ 60.949128] dump_stack+0x77/0x9b <4>[ 60.953128] ___might_sleep.cold+0xa6/0xb6 <4>[ 60.958001] exit_signals+0x1c/0x2e0 <4>[ 60.962291] do_exit+0xc2/0xaf0 <4>[ 60.966097] ? ksys_write+0x68/0xf0 <4>[ 60.970290] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 60.976036] make_task_dead+0x2f/0x30 <4>[ 60.980424] rewind_stack_and_make_dead+0x17/0x20 <4>[ 60.985977] RIP: 0033:0x7f2e2c4d6833 <4>[ 60.990265] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 61.011536] RSP: 002b:00007ffc328488b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.020293] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2e2c4d6833 <4>[ 61.028561] RDX: 000000000000000b RSI: 00007f2e2c3c9000 RDI: 0000000000000001 <4>[ 61.036828] RBP: 00007f2e2c3c9000 R08: 00007f2e2c3c8010 R09: 0000000000000000 <4>[ 61.045095] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.053361] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.595549] INFO: lockdep is turned off. # [ 57.600223] irq event stamp: 0 # [ 57.603926] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.611228] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 57.620667] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 57.630099] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.637397] CPU: 3 PID: 1797 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 57.646350] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.653257] Call Trace: # [ 57.656293] dump_stack+0x77/0x9b # [ 57.660302] ___might_sleep.cold+0xa6/0xb6 # [ 57.665181] exit_signals+0x1c/0x2e0 # [ 57.669468] do_exit+0xc2/0xaf0 # [ 57.673275] ? ksys_write+0x68/0xf0 # [ 57.677469] make_task_dead+0x2f/0x30 # [ 57.681858] rewind_stack_and_make_dead+0x17/0x20 # [ 57.687403] RIP: 0033:0x7f19971bc833 # [ 57.691694] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.712974] RSP: 002b:00007ffeff584568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.721735] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f19971bc833 # [ 57.730003] RDX: 0000000000000011 RSI: 00007f19970af000 RDI: 0000000000000001 # [ 57.738271] RBP: 00007f19970af000 R08: 00007f19970ae010 R09: 0000000000000000 # [ 57.746539] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.754806] 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 # [ 58.128493] lkdtm: Performing direct entry ACCESS_NULL # [ 58.136007] lkdtm: attempting bad read at 0000000000000000 # [ 58.148702] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.162980] #PF: supervisor read access in kernel mode # [ 58.169014] #PF: error_code(0x0000) - not-present page # [ 58.175047] PGD 0 P4D 0 # [ 58.178179] Oops: 0000 [#13] SMP PTI # [ 58.182470] CPU: 0 PID: 1832 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 58.197538] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.204457] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.216230] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 6a d4 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 2f cb 96 e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 2f cb 96 48 01 # [ 58.237517] RSP: 0018:ffffabbe423a7e58 EFLAGS: 00010246 # [ 58.243652] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.251926] RDX: 0000000000000000 RSI: ffff8a7bfbc1bf70 RDI: ffff8a7bfbc1bf70 # [ 58.260193] RBP: ffffffff96cb2099 R08: 0000000000000000 R09: 0000000000000000 # [ 58.268461] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.276728] R13: ffffabbe423a7f10 R14: ffffabbe423a7f10 R15: ffff8a7b83d9e000 # [ 58.291217] FS: 00007f1e5ada2580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 # [ 58.300554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.307267] CR2: 0000000000000000 CR3: 0000000103d34000 CR4: 00000000003506f0 # [ 58.315536] Call Trace: # [ 58.318574] direct_entry.cold+0x2c/0x38 # [ 58.323259] full_proxy_write+0x56/0x80 # [ 58.327844] vfs_write+0xea/0x3a0 # [ 58.331843] ksys_write+0x68/0xf0 # [ 58.335845] do_syscall_64+0x33/0x40 # [ 58.340136] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.346080] RIP: 0033:0x7f1e5acb8833 # [ 58.350370] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <6>[ 61.440911] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 58.371653] RSP: 002b:00007ffdf5910258 EFLAGS: 00000246 ORIG_RA<6>[ 61.454149] lkdtm: attempting good refcount_inc() without overflow X: 0000000000000001 # [ 58.380412] RAX: ffffffffffffffda RBX:<6>[ 61.467612] lkdtm: attempting bad refcount_inc() overflow 000000000000000c RCX: 00007f1e5acb8833 # [ 58.388679] RDX: 0<4>[ 61.480186] ------------[ cut here ]------------ 00000000000000c RSI: 00007f1e5abab000 RDI: 0000000000000001 # [<4>[ 61.491912] refcount_t: saturated; leaking memory. 58.396947] RBP: 00007f1e5abab000 R08: 00007f1e5abaa010 R09: 0<4>[ 61.503814] WARNING: CPU: 3 PID: 1972 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000000000000000 # [ 58.405215] R10: fffffffffffffbc5 R11: 000<4>[ 61.519705] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000246 R12: 0000000000000001 # [ 58.413483] R13: 00000<4>[ 61.542158] CPU: 3 PID: 1972 Comm: cat Tainted: G D W 5.10.168-cip27 #1 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 5<4>[ 61.557352] Hardware name: Google Coral/Coral, BIOS 09/29/2020 8.421761] Modules linked in: fuse ip_tables cros_ec_sysfs cros_e<4>[ 61.570484] RIP: 0010:refcount_warn_saturate+0x51/0x110 c_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal <4>[ 61.582884] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 96 c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 cros_ec_dev cros_usbpd_notify # [ 58.444239] CR2: 00000000000<4>[ 61.610363] RSP: 0018:ffffabbe425afe48 EFLAGS: 00010286 00000 # [ 58.448240] ---[ end trace 822abe8605a7ddbb ]--- # <4>[ 61.622745] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 58.453703] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.458381] Co<4>[ 61.637227] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 de: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea <4>[ 61.651751] RBP: ffffffff96cb20cd R08: 0000000000000000 R09: 0000000000000000 ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 0<4>[ 61.666227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 <4>[ 61.680753] R13: ffffabbe425aff10 R14: ffffabbe425aff10 R15: ffff8a7b84295000 92 02 # [ 58.479654] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010<4>[ 61.695230] FS: 00007f84a4210580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 282 # [ 58.485788] RAX: ffffffff95ae4d20 RBX: 000000000000000<4>[ 61.710830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1 RCX: 0000000000000000 # [ 58.494056] RDX: 0000000000000000 <4>[ 61.723750] CR2: 00007f84a4019000 CR3: 0000000104e5a000 CR4: 00000000003506e0 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 58.502323] RB<4>[ 61.738305] Call Trace: P: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 <4>[ 61.747891] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 58.510589] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<4>[ 61.759446] direct_entry.cold+0x2c/0x38 2: 0000000000000004 # [ 58.518859] R13: ffffabbe41207f10 R14:<4>[ 61.770528] full_proxy_write+0x56/0x80 ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 58.527128] FS: 0<4>[ 61.781316] vfs_write+0xea/0x3a0 0007f1e5ada2580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000<4>[ 61.791534] ksys_write+0x68/0xf0 000000 # [ 58.536463] CS: 0010 DS: 0000 ES: 0000 CR0: 000000<4>[ 61.801637] do_syscall_64+0x33/0x40 0080050033 # [ 58.543176] CR2: 0000000000000000 CR3: 00000001<4>[ 61.812163] entry_SYSCALL_64_after_hwframe+0x61/0xc6 03d34000 CR4: 00000000003506f0 # ACCESS_NULL: saw 'call trace:'<4>[ 61.824324] RIP: 0033:0x7f84a4126833 : ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm<4>[ 61.834845] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : WRITE_RO.sh # Killed # [ 58.838282] lkdtm: Performing dire<4>[ 61.862335] RSP: 002b:00007ffdd743c758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ct entry WRITE_RO # [ 58.849400] lkdtm: attempting bad rodata<4>[ 61.877335] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f84a4126833 write at ffffffff968d1590 # [ 58.856669] BUG: unable to hand<4>[ 61.891822] RDX: 0000000000000016 RSI: 00007f84a4019000 RDI: 0000000000000001 le page fault for address: ffffffff968d1590 # [ 58.864650] #P<4>[ 61.906344] RBP: 00007f84a4019000 R08: 00007f84a4018010 R09: 0000000000000000 F: supervisor write access in kernel mode # [ 58.870782] #PF:<4>[ 61.920825] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 error_code(0x0003) - permissions violation # [ 58.877301] PG<4>[ 61.935334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D 165229067 P4D 165229067 PUD 16522a063 PMD 8000000164c001e1 #<4>[ 61.949831] irq event stamp: 0 [ 58.885391] Oops: 0003 [#14] SMP PTI # [ 58.889679] CPU: <4>[ 61.959769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1 PID: 1867 Comm: cat Tainted: G D W 5.10.168-cip27<4>[ 61.973287] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 #1 # [ 58.898625] Hardware name: Google Coral/Coral, BIOS 0<4>[ 61.988994] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 9/29/2020 # [ 58.905544] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 62.004589] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.910804] Code: 00 48 c7 c7 88 2e cb 96 48 c7 c6 90 15 8d<4>[ 62.018215] ---[ end trace 822abe8605a7ddbf ]--- 96 e8 66 98 fd ff 48 8b 05 c4 6b 79 00 ba 34 12 cd ab 48 c7 c7 <6>[ 62.029811] lkdtm: Overflow detected: saturated b8 2e cb 96 48 31 d0 <48> 89 05 ae 6b 79 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d 39 # [ 58.932077] RSP: 0018:ffffabbe42437e60 EFLAGS: 00010202 # [ 58.938202] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.946467] RDX: 00000000abcd1234 RSI: ffff8a7bfbc9bf70 RDI: ffffffff96cb2eb8 # [ 58.954735] RBP: ffffffff96cb20a5 R08: 0000000000000000 R09: 0000000000000000 # [ 58.963004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 58.971276] R13: ffffabbe42437f10 R14: ffffabbe42437f10 R15: ffff8a7b840ea000 # [ 58.979545] FS: 00007f9c2fbee580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 58.988883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.995595] CR2: ffffffff968d1590 CR3: 00000001042c2000 CR4: 00000000003506e0 # [ 59.003862] Call Trace: # [ 59.006893] direct_entry.cold+0x2c/0x38 # [ 59.011576] full_proxy_write+0x56/0x80 # [ 59.016161] vfs_write+0xea/0x3a0 # [ 59.020160] ksys_write+0x68/0xf0 # [ 59.024159] do_syscall_64+0x33/0x40 # [ 59.028452] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.034393] RIP: 0033:0x7f9c2fb04833 # [ 59.038680] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.059960] RSP: 002b:00007ffd212556a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.068715] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9c2fb04833 # [ 59.076982] RDX: 0000000000000009 RSI: 00007f9c2f9f7000 RDI: 0000000000000001 # [ 59.085249] RBP: 00007f9c2f9f7000 R08: 00007f9c2f9f6010 R09: 0000000000000000 # [ 59.093515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.101784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.110064] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.126330] CR2: ffffffff968d1590 # [ 59.130327] ---[ end trace 822abe8605a7ddbc ]--- # [ 59.135773] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.140451] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 59.161735] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 59.167869] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.176136] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 59.184401] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 59.192668] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.200935] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 59.209202] FS: 00007f9c2fbee580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 59.218537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.225252] CR2: ffffffff968d1590 CR3: 00000001042c2000 CR4: 00000000003506e0 # [ 59.233521] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.2<6>[ 62.352172] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 62.365447] lkdtm: attempting good refcount_add() without overflow <6>[ 62.372677] lkdtm: attempting bad refcount_add() overflow <4>[ 62.379029] ------------[ cut here ]------------ 43732] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 18<4>[ 62.384501] refcount_t: saturated; leaking memory. <4>[ 62.396429] WARNING: CPU: 2 PID: 2004 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 <4>[ 62.406171] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 62.422461] CPU: 2 PID: 2004 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 62.431431] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.438366] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 62.444524] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 96 c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 <4>[ 62.465828] RSP: 0018:ffffabbe42617e48 EFLAGS: 00010286 <4>[ 62.471982] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 62.480270] RDX: ffff8a7bfbd2c660 RSI: ffff8a7bfbd1bf70 RDI: ffff8a7bfbd1bf70 <4>[ 62.488560] RBP: ffffffff96cb20e3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.496850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 62.505137] R13: ffffabbe42617f10 R14: ffffabbe42617f10 R15: ffff8a7b83dc3000 <4>[ 62.513428] FS: 00007f2f743ba580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 62.522783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.529517] CR2: 00007f2f741c3000 CR3: 0000000104e04000 CR4: 00000000003506e0 <4>[ 62.537806] Call Trace: 67, name: cat # [ 59.252484] INFO: lockdep is turned off. # <4>[ 62.540862] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 <4>[ 62.552756] direct_entry.cold+0x2c/0x38 <4>[ 62.557460] full_proxy_write+0x56/0x80 <4>[ 62.562068] vfs_write+0xea/0x3a0 <4>[ 62.566091] ksys_write+0x68/0xf0 <4>[ 62.570115] do_syscall_64+0x33/0x40 <4>[ 62.574421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 62.580377] RIP: 0033:0x7f2f742d0833 <4>[ 62.584684] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 62.605986] RSP: 002b:00007ffcde31cb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.614763] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2f742d0833 <4>[ 62.623052] RDX: 0000000000000016 RSI: 00007f2f741c3000 RDI: 0000000000000001 [ 59.257157] irq event stamp: 0 # [ 59.260860] hardirqs las<4>[ 62.631347] RBP: 00007f2f741c3000 R08: 00007f2f741c2010 R09: 0000000000000000 t enabled at (0): [<0000000000000000>] 0x0 # [ 59.268160] ha<4>[ 62.645830] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.660323] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 62.668619] irq event stamp: 0 <4>[ 62.672347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.679671] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 62.689124] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 62.698578] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 62.705895] ---[ end trace 822abe8605a7ddc0 ]--- <6>[ 62.711366] lkdtm: Overflow detected: saturated rdirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 59.277593] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 59.287027] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.294328] CPU: 1 PID: 1867 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 59.303273] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.310179] Call Trace: # [ 59.313210] dump_stack+0x77/0x9b # [ 59.317213] ___might_sleep.cold+0xa6/0xb6 # [ 59.322089] exit_signals+0x1c/0x2e0 # [ 59.326378] do_exit+0xc2/0xaf0 # [ 59.330182] ? ksys_write+0x68/0xf0 # [ 59.334378] make_task_dead+0x2f/0x30 # [ 59.338767] rewind_stack_and_make_dead+0x17/0x20 # [ 59.344317] RIP: 0033:0x7f9c2fb04833 # [ 59.348606] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.369903] RSP: 002b:00007ffd212556a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.378663] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9c2fb04833 # [ 59.386934] RDX: 0000000000000009 RSI: 00007f9c2f9f7000 RDI: 0000000000000001 # [ 59.395209] RBP: 00007f9c2f9f7000 R08: 00007f9c2f9f6010 R09: 0000000000000000 # [ 59.403479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.411748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 59.736764] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 59.743975] lkdtm: attempting bad ro_after_init write at ffffffff96d2e330 # [ 59.751900] BUG: unable to handle page fault for address: ffffffff96d2e330 # [ 59.759883] #PF: supervisor write access in kernel mode # [ 59.766016] #PF: error_code(0x0003) - permissions violation # [ 59.778747] PGD 165229067 P4D 165229067 PUD 16522a063 PMD 102739163 PTE 800000016512e061 # [ 59.794307] Oops: 0003 [#15] SMP PTI # [ 59.798598] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 59.813749] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.820668] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.826992] Code: 2e cb 96 e9 18 98 fd ff 48 c7 c7 10 2f cb 96 e8 0c 98 fd ff 48 8b 05 0a 39 bf 00 ba 34 12 cd ab 48 c7 c7 b8 2e cb 96 48 31 d0 <48> 89 05 f4 38 bf 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.848274] RSP: 0018:ffffabbe424bfe60 EFLAGS: 00010202 # [ 59.854409] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.862678] RDX: 00000000abcd1234 RSI: ffff8a7bfbc9bf70 RDI: ffffffff96cb2eb8 # [ 59.870947] RBP: ffffffff96cb20ae R08: 0000000000000000 R09: 0000000000000000 # [ 59.879214] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.887483] R13: ffffabbe424bff10 R14: ffffabbe424bff10 R15: ffff8a7b83408000 # [ <6>[ 63.010179] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 63.023240] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 63.030479] ------------[ cut here ]------------ 59.895751] FS: 00007fe8424b0580(0000) GS:ffff8a7bfbc80000(0000<4>[ 63.035961] refcount_t: saturated; leaking memory. ) knlGS:0000000000000000 # [ 59.905089] CS: 0010 DS: 0000 ES<4>[ 63.047912] WARNING: CPU: 1 PID: 2036 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 <4>[ 63.063788] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 63.080092] CPU: 1 PID: 2036 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 63.089100] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 63.096058] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 63.102220] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 96 c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 <4>[ 63.123533] RSP: 0018:ffffabbe426bfe38 EFLAGS: 00010282 <4>[ 63.129691] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 63.137982] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 <4>[ 63.146272] RBP: ffffffff96cb1d20 R08: 0000000000000000 R09: 0000000000000000 <4>[ 63.154561] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 63.162853] R13: ffffabbe426bff10 R14: ffffabbe426bff10 R15: ffff8a7b84e61000 <4>[ 63.171143] FS: 00007ff7d0496580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 63.180501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.187240] CR2: 00007ff7d029f000 CR3: 00000001034be000 CR4: 00000000003506e0 <4>[ 63.195532] Call Trace: <4>[ 63.198590] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 63.205044] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 63.211592] direct_entry.cold+0x2c/0x38 <4>[ 63.216296] full_proxy_write+0x56/0x80 <4>[ 63.220903] vfs_write+0xea/0x3a0 <4>[ 63.224917] ksys_write+0x68/0xf0 <4>[ 63.228942] do_syscall_64+0x33/0x40 <4>[ 63.233258] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 63.239223] RIP: 0033:0x7ff7d03ac833 <4>[ 63.243538] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 63.264846] RSP: 002b:00007ffdfa3efb48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 63.273630] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff7d03ac833 <4>[ 63.281919] RDX: 000000000000001f RSI: 00007ff7d029f000 RDI: 0000000000000001 <4>[ 63.290212] RBP: 00007ff7d029f000 R08: 00007ff7d029e010 R09: 0000000000000000 <4>[ 63.298505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.306796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000 CR0: 0000000080050033 # [ 59.911800] CR2: ffffffff96d2<4>[ 63.315103] irq event stamp: 0 e330 CR3: 00000001032ec000 CR4: 00000000003506e0 # [ 59.92006<4>[ 63.325013] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 63.338542] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 63.347997] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 63.357452] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 63.364770] ---[ end trace 822abe8605a7ddc1 ]--- <6>[ 63.370234] lkdtm: Overflow detected: saturated 8] Call Trace: # [ 59.923101] direct_entry.cold+0x2c/0x38 # [ 59.927787] full_proxy_write+0x56/0x80 # [ 59.932371] vfs_write+0xea/0x3a0 # [ 59.936371] ksys_write+0x68/0xf0 # [ 59.940373] do_syscall_64+0x33/0x40 # [ 59.944665] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.950610] RIP: 0033:0x7fe8423c6833 # [ 59.954900] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.976193] RSP: 002b:00007ffea52cdd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.984949] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fe8423c6833 # [ 59.993222] RDX: 0000000000000014 RSI: 00007fe8422b9000 RDI: 0000000000000001 # [ 60.001489] RBP: 00007fe8422b9000 R08: 00007fe8422b8010 R09: 0000000000000000 # [ 60.009756] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.018027] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.026303] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.042570] CR2: ffffffff96d2e330 # [ 60.046570] ---[ end trace 822abe8605a7ddbd ]--- # [ 60.052028] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.056703] Code: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 60.077988] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 60.084114] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.092381] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 60.100646] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 60.108913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.117177] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 60.125446] FS: 00007fe8424b0580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 60.134781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.141495] CR2: ffffffff96d2e330 CR3: 00000001032ec000 CR4: 00000000003506e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 60.445633] lkdtm: Performing direct entry WRITE_KERN # [ 60.454179] lkdtm: attempting bad 6641750 byte write at ffffffff9613a946 # [ 60.462021] BUG: unable to handle page fault for address: ffffffff9613a946 # [ 60.470002] #PF: supervisor write access in kernel mode # [ 60.476133] #PF: error_code(0x0003) - permissions violation # [ 60.488855] PGD 165229067 P4D 165229067 PUD 16522a063 PMD 1644001e1 # [ 60.502478] Oops: 0003 [#16] SMP PTI # [ 60.506771] CPU: <6>[ 63.660094] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 2 PID: 1937 Comm: cat Tainted: G D W 5.10.168-cip27<6>[ 63.669573] lkdtm: attempting bad refcount_add_not_zero() overflow #1 # [ 60.521922] Hardware name: Google Coral/Coral, BIOS 0<4>[ 63.683006] ------------[ cut here ]------------ 9/29/2020 # [ 60.528840] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e<4>[ 63.694741] refcount_t: saturated; leaking memory. # [ 60.534297] Code: 53 48 c7 c3 46 a9 13 96 49 89 dc 48 89 <4>[ 63.706893] WARNING: CPU: 3 PID: 2068 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 da 49 81 ec f0 50 ae 95 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e<4>[ 63.722556] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 48 c7 c6 f0 50 ae 95 a4 48 c7 c7 b8 2e cb 96 e8 a4 97 fd <4>[ 63.745203] CPU: 3 PID: 2068 Comm: cat Tainted: G D W 5.10.168-cip27 #1 ff 5b 41 5c e9 b7 fe ff ff # [ 60.555583] RSP: 0018:ffffabbe4<4>[ 63.760439] Hardware name: Google Coral/Coral, BIOS 09/29/2020 2547e50 EFLAGS: 00010246 # [ 60.561717] RAX: 000000000000003c<4>[ 63.773518] RIP: 0010:refcount_warn_saturate+0x97/0x110 RBX: ffffffff9613a946 RCX: 0000000000655856 # [ 60.569986] R<4>[ 63.785788] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 96 c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 DX: 0000000000000000 RSI: ffffffff95ae50f0 RDI: ffffffff9613a946<4>[ 63.813201] RSP: 0018:ffffabbe4274fe38 EFLAGS: 00010282 # [ 60.578255] RBP: ffffffff96cb20c2 R08: 0000000000000000 R<4>[ 63.825648] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 09: 0000000000000000 # [ 60.586521] R10: 00000000ffffe000 R11<4>[ 63.840042] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 : 3fffffffffffffff R12: 0000000000655856 # [ 60.594790] R13: <4>[ 63.854636] RBP: ffffffff96cb1d40 R08: 0000000000000000 R09: 0000000000000000 ffffabbe42547f10 R14: ffffabbe42547f10 R15: ffff8a7b84f03000 # <4>[ 63.869060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 60.603058] FS: 00007f2e2c5c0580(0000) GS:ffff8a7bfbd00000(0<4>[ 63.883581] R13: ffffabbe4274ff10 R14: ffffabbe4274ff10 R15: ffff8a7b85485000 000) knlGS:0000000000000000 # [ 60.612394] CS: 0010 DS: 0000<4>[ 63.898064] FS: 00007f437ffdb580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 ES: 0000 CR0: 0000000080050033 # [ 60.619106] CR2: ffffffff9<4>[ 63.913650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 613a946 CR3: 00000001034b8000 CR4: 00000000003506e0 # [ 60.62<4>[ 63.926567] CR2: 00007f437fde4000 CR3: 0000000103214000 CR4: 00000000003506e0 7374] Call Trace: # [ 60.630413] direct_entry.cold+0x2c/0x38<4>[ 63.941109] Call Trace: # [ 60.635096] full_proxy_write+0x56/0x80 # [ 60.639679]<4>[ 63.950322] __refcount_add_not_zero.constprop.0+0x2a/0x35 vfs_write+0xea/0x3a0 # [ 60.643678] ksys_write+0x68/0xf0 <4>[ 63.962975] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 60.647678] do_syscall_64+0x33/0x40 # [ 60.651967] ent<4>[ 63.975672] direct_entry.cold+0x2c/0x38 ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.657908] RIP: 003<4>[ 63.986633] full_proxy_write+0x56/0x80 3:0x7f2e2c4d6833 # [ 60.662186] Code: 8b 15 61 26 0e 00 f7 d8<4>[ 63.997404] vfs_write+0xea/0x3a0 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 <4>[ 64.007584] ksys_write+0x68/0xf0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55<4>[ 64.017867] do_syscall_64+0x33/0x40 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.683460] RSP<4>[ 64.028342] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : 002b:00007ffc328488b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000<4>[ 64.040499] RIP: 0033:0x7f437fef1833 001 # [ 60.692216] RAX: ffffffffffffffda RBX: 000000000000000<4>[ 64.051071] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 b RCX: 00007f2e2c4d6833 # [ 60.700482] RDX: 000000000000000b <4>[ 64.078612] RSP: 002b:00007fff4c588778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RSI: 00007f2e2c3c9000 RDI: 0000000000000001 # [ 60.708748] RB<4>[ 64.093568] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f437fef1833 P: 00007f2e2c3c9000 R08: 00007f2e2c3c8010 R09: 0000000000000000 <4>[ 64.108063] RDX: 000000000000001f RSI: 00007f437fde4000 RDI: 0000000000000001 # [ 60.717013] R10: fffffffffffffbc5 R11: 0000000000000246 R1<4>[ 64.122591] RBP: 00007f437fde4000 R08: 00007f437fde3010 R09: 0000000000000000 2: 0000000000000001 # [ 60.725280] R13: 0000000000000001 R14:<4>[ 64.137073] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000020000 R15: 0000000000020000 # [ 60.733559] Module<4>[ 64.151606] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_e<4>[ 64.166102] irq event stamp: 0 c_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros<4>[ 64.176044] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _usbpd_notify # [ 60.756038] CR2: ffffffff9613a946 # [ 60.<4>[ 64.189566] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 760030] ---[ end trace 822abe8605a7ddbe ]--- # [ 60.765486] R<4>[ 64.205250] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 IP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.770164] Code: 89 ff e8 fe <4>[ 64.220898] softirqs last disabled at (0): [<0000000000000000>] 0x0 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c<4>[ 64.234424] ---[ end trace 822abe8605a7ddc2 ]--- c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f <6>[ 64.246141] lkdtm: Overflow detected: saturated 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 60.797652] RSP: 0018:ffffabbe41207e60 EFLAGS: 00010282 # [ 60.803784] RAX: ffffffff95ae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.812052] RDX: 0000000000000000 RSI: ffff8a7bfbd1bf70 RDI: ffffffff968d1110 # [ 60.820319] RBP: ffffffff96d0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 60.828588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.836857] R13: ffffabbe41207f10 R14: ffffabbe41207f10 R15: ffff8a7b84e0a000 # [ 60.845126] FS: 00007f2e2c5c0580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 # [ 60.854460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.861173] CR2: ffffffff9613a946 CR3: 00000001034b8000 CR4: 00000000003506e0 # [ 60.869444] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.879655] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1937, name: cat # [ 60.888407] INFO: lockdep is turned off. # [ 60.893081] irq event stamp: 0 # [ 60.896784] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.904084] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 60.913517] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 60.922950] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.930248] CPU: 2 PID: 1937 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 60.939195] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.946099] Call Trace: # [ 60.949128] dump_stack+0x77/0x9b # [ 60.953128] ___might_sleep.cold+0xa6/0xb6 # [ 60.958001] exit_signals+0x1c/0x2e0 # [ 60.962291] do_exit+0xc2/0xaf0 # [ 60.966097] ? ksys_write+0x68/0xf0 # [ 60.970290] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.976036] make_task_dead+0x2f/0x30 # [ 60.980424] rewind_stack_and_make_dead+0x17/0x20 # [ 60.985977] RIP: 0033:0x7f2e2c4d6833 # [ 60.990265] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.011536] RSP: 002b:00007ffc328488b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.020293] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2e2c4d6833 # [ 61.028561] RDX: 000000000000000b RSI: 00007f2e2c3c9000 RDI: 0000000000000001 # [ 61.036828] RBP: 00007f2e2c3c9000 R08: 00007f2e2c3c8010 R09: 0000000000000000 # [ 61.045095] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.053361] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.440911] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.454149] lkdtm: attempting good refcount_inc() without overflow # [ 61.467612] lkdtm: attempting bad refcount_inc() overflow # [ 61.480186] ------------[ cut here ]------------ # [ 61.491912] refcount_t: saturated; leaking memory. # [ 61.503814] WARNING: CPU: 3 PID: 1972 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.519705] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.542158] <6>[ 64.587256] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 64.600055] lkdtm: attempting good refcount_dec() <6>[ 64.605655] lkdtm: attempting bad refcount_dec() to zero <4>[ 64.611909] ------------[ cut here ]------------ <4>[ 64.617388] refcount_t: decrement hit 0; leaking memory. <4>[ 64.623690] WARNING: CPU: 2 PID: 2100 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 <4>[ 64.633437] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 64.649728] CPU: 2 PID: 2100 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 64.658699] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 64.665634] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 64.671793] Code: 08 d8 c4 96 c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 96 c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 64.693101] RSP: 0018:ffffabbe427cfe48 EFLAGS: 00010286 <4>[ 64.699257] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 64.707556] RDX: ffff8a7bfbd2c660 RSI: ffff8a7bfbd1bf70 RDI: ffff8a7bfbd1bf70 <4>[ 64.715853] RBP: ffffffff96cb20f9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 64.724145] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 64.732437] R13: ffffabbe427cff10 R14: ffffabbe427cff10 R15: ffff8a7b85575000 <4>[ 64.740720] FS: 00007fb4d3c55580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 64.750081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 64.756819] CR2: 00007fb4d3a5e000 CR3: 0000000105482000 CR4: 00000000003506e0 <4>[ 64.765113] Call Trace: <4>[ 64.768174] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 64.773463] direct_entry.cold+0x2c/0x38 <4>[ 64.778171] full_proxy_write+0x56/0x80 <4>[ 64.782788] vfs_write+0xea/0x3a0 <4>[ 64.786811] ksys_write+0x68/0xf0 <4>[ 64.790836] do_syscall_64+0x33/0x40 <4>[ 64.795155] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 64.801111] RIP: 0033:0x7fb4d3b6b833 <4>[ 64.805424] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 64.826727] RSP: 002b:00007fff48737e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 CPU: 3 PID: 1972 Comm: cat Tainted: G D W 5.10.168-<4>[ 64.835508] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb4d3b6b833 <4>[ 64.850009] RDX: 0000000000000012 RSI: 00007fb4d3a5e000 RDI: 0000000000000001 <4>[ 64.858299] RBP: 00007fb4d3a5e000 R08: 00007fb4d3a5d010 R09: 0000000000000000 cip27 #1 # [ 61.557352] Hardware name: Google Coral/Coral, BI<4>[ 64.866598] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 OS 09/29/2020 # [ 61.570484] RIP: 0010:refcount_warn_saturat<4>[ 64.881081] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e+0x51/0x110 # [ 61.582884] Code: 84 bc 00 00 00 c3 cc cc cc <4>[ 64.895598] irq event stamp: 0 <4>[ 64.905541] hardirqs last enabled at (0): [<0000000000000000>] 0x0 cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 96 c<4>[ 64.912875] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 64.928559] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d <4>[ 64.938017] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 64.951522] ---[ end trace 822abe8605a7ddc3 ]--- <6>[ 64.956999] lkdtm: Zero detected: saturated 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 # [ 61.610363] RSP: 0018:ffffabbe425afe48 EFLAGS: 00010286 # [ 61.622745] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.637227] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 # [ 61.651751] RBP: ffffffff96cb20cd R08: 0000000000000000 R09: 0000000000000000 # [ 61.666227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.680753] R13: ffffabbe425aff10 R14: ffffabbe425aff10 R15: ffff8a7b84295000 # [ 61.695230] FS: 00007f84a4210580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 61.710830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.723750] CR2: 00007f84a4019000 CR3: 0000000104e5a000 CR4: 00000000003506e0 # [ 61.738305] Call Trace: # [ 61.747891] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 61.759446] direct_entry.cold+0x2c/0x38 # [ 61.770528] full_proxy_write+0x56/0x80 # [ 61.781316] vfs_write+0xea/0x3a0 # [ 61.791534] ksys_write+0x68/0xf0 # [ 61.801637] do_syscall_64+0x33/0x40 # [ 61.812163] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.824324] RIP: 0033:0x7f84a4126833 # [ 61.834845] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.862335] RSP: 002b:00007ffdd743c758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.877335] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f84a4126833 # [ 61.891822] RDX: 0000000000000016 RSI: 00007f84a4019000 RDI: 0000000000000001 # [ 61.906344] RBP: 00007f84a4019000 R08: 00007f84a4018010 R09: 0000000000000000 # [ 61.920825] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.935334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.949831] irq event stamp: 0 # [ 61.959769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.973287] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.988994] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.004589] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.018215] ---[ end trace 822abe8605a7ddbf ]--- # [ 62.029811] 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 # [ 62.352172] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 62.365447] lkdtm: attempting good refcount_add() without overflow # [ 62.372677] lkdtm: attempting bad refcount_add() overflow # [ 62.379029] ------------[ cut here ]------------ # [ 62.384501] refcount_t: saturated; leaking memory. # [ 62.396429] WARNING: CPU: 2 PID: 2004 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 62.406171] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg<6>[ 65.258306] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE _temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.422461] CP<6>[ 65.267601] lkdtm: attempting bad refcount_dec() below zero <4>[ 65.280366] ------------[ cut here ]------------ U: 2 PID: 2004 Comm: cat Tainted: G D W 5.10.168-ci<4>[ 65.285846] refcount_t: decrement hit 0; leaking memory. p27 #1 # [ 62.431431] Hardware name: Google Coral/Coral, BIOS<4>[ 65.298354] WARNING: CPU: 1 PID: 2135 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 <4>[ 65.314318] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 65.330621] CPU: 1 PID: 2135 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 65.339645] Hardware name: Google Coral/Coral, BIOS 09/29/2020 09/29/2020 # [ 62.438366] RIP: 0010:refcount_warn_saturate+<4>[ 65.346616] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 65.358970] Code: 08 d8 c4 96 c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 96 c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 65.380265] RSP: 0018:ffffabbe4283fe48 EFLAGS: 00010286 <4>[ 65.386422] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 65.394715] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 <4>[ 65.403007] RBP: ffffffff96cb210b R08: 0000000000000000 R09: 0000000000000000 <4>[ 65.411295] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 65.419583] R13: ffffabbe4283ff10 R14: ffffabbe4283ff10 R15: ffff8a7b8427f000 <4>[ 65.427876] FS: 00007f39e95a4580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 65.437234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 65.443975] CR2: 00007f39e93ad000 CR3: 0000000104220000 CR4: 00000000003506e0 <4>[ 65.452266] Call Trace: <4>[ 65.455325] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 65.461001] direct_entry.cold+0x2c/0x38 <4>[ 65.465702] full_proxy_write+0x56/0x80 <4>[ 65.470312] vfs_write+0xea/0x3a0 <4>[ 65.474325] ksys_write+0x68/0xf0 <4>[ 65.478350] do_syscall_64+0x33/0x40 <4>[ 65.482665] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 65.488622] RIP: 0033:0x7f39e94ba833 <4>[ 65.492931] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 65.514239] RSP: 002b:00007ffc695291a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 65.523019] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f39e94ba833 <4>[ 65.531310] RDX: 0000000000000016 RSI: 00007f39e93ad000 RDI: 0000000000000001 <4>[ 65.539596] RBP: 00007f39e93ad000 R08: 00007f39e93ac010 R09: 0000000000000000 <4>[ 65.547884] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0x51/0x110 # [ 62.444524] Code: 84 bc 00 00 00 c3 cc cc cc cc<4>[ 65.556176] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 65.570683] irq event stamp: 0 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 96 c6 <4>[ 65.574406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 65.587944] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 65.597403] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 65.606856] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 65.614175] ---[ end trace 822abe8605a7ddc4 ]--- <6>[ 65.619647] lkdtm: Negative detected: saturated 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 # [ 62.465828] RSP: 0018:ffffabbe42617e48 EFLAGS: 00010286 # [ 62.471982] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 62.480270] RDX: ffff8a7bfbd2c660 RSI: ffff8a7bfbd1bf70 RDI: ffff8a7bfbd1bf70 # [ 62.488560] RBP: ffffffff96cb20e3 R08: 0000000000000000 R09: 0000000000000000 # [ 62.496850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.505137] R13: ffffabbe42617f10 R14: ffffabbe42617f10 R15: ffff8a7b83dc3000 # [ 62.513428] FS: 00007f2f743ba580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 # [ 62.522783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.529517] CR2: 00007f2f741c3000 CR3: 0000000104e04000 CR4: 00000000003506e0 # [ 62.537806] Call Trace: # [ 62.540862] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 62.552756] direct_entry.cold+0x2c/0x38 # [ 62.557460] full_proxy_write+0x56/0x80 # [ 62.562068] vfs_write+0xea/0x3a0 # [ 62.566091] ksys_write+0x68/0xf0 # [ 62.570115] do_syscall_64+0x33/0x40 # [ 62.574421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.580377] RIP: 0033:0x7f2f742d0833 # [ 62.584684] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.605986] RSP: 002b:00007ffcde31cb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.614763] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2f742d0833 # [ 62.623052] RDX: 0000000000000016 RSI: 00007f2f741c3000 RDI: 0000000000000001 # [ 62.631347] RBP: 00007f2f741c3000 R08: 00007f2f741c2010 R09: 0000000000000000 # [ 62.645830] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.660323] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.668619] irq event stamp: 0 # [ 62.672347] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.679671] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.689124] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.698578] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.705895] ---[ end trace 822abe8605a7ddc0 ]--- # [ 62.711366] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 63.010179] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 63.023240] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 63.030479] ------------[ cut here ]------------ # [ 63.035961] refcount_t: saturated; leaking memory. # [ 63.047912] WARNING: CPU: 1 PID: 2036 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.063788] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.080092] CPU: 1 PID: 2036 Comm: cat Tainted: G D W <6>[ 65.932096] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 65.943799] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 65.951240] ------------[ cut here ]------------ 5.10.168-cip27 #1 # [ 63.089100] Hardware name: Google C<4>[ 65.956712] refcount_t: underflow; use-after-free. <4>[ 65.968652] WARNING: CPU: 1 PID: 2170 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 65.978399] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 65.994700] CPU: 1 PID: 2170 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 66.003670] Hardware name: Google Coral/Coral, BIOS 09/29/2020 oral/Coral, BIOS 09/29/2020 # [ 63.096058] RIP: 0010:refcoun<4>[ 66.010651] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 66.023032] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 96 c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 66.044340] RSP: 0018:ffffabbe428c7e40 EFLAGS: 00010286 t_warn_saturate+0x97/0x110 # [ 63.102220] Code: 01 01 e8 3e f<4>[ 66.050496] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 66.064988] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 <4>[ 66.073274] RBP: ffffffff96cb1d60 R08: 0000000000000000 R09: 0000000000000000 1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7<4>[ 66.081565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 66.096066] R13: ffffabbe428c7f10 R14: ffffabbe428c7f10 R15: ffff8a7b856a7000 <4>[ 66.104354] FS: 00007f5350d75580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 66.113710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 66.120444] CR2: 00007f5350b7e000 CR3: 0000000104f5a000 CR4: 00000000003506e0 <4>[ 66.128721] Call Trace: <4>[ 66.131777] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 66.138231] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 66.144782] direct_entry.cold+0x2c/0x38 58 d7 c4 96 c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc c<4>[ 66.149484] full_proxy_write+0x56/0x80 <4>[ 66.160302] vfs_write+0xea/0x3a0 <4>[ 66.164324] ksys_write+0x68/0xf0 <4>[ 66.168347] do_syscall_64+0x33/0x40 <4>[ 66.172653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 66.178609] RIP: 0033:0x7f5350c8b833 <4>[ 66.182920] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 66.204220] RSP: 002b:00007ffe5c5a12d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 66.213001] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5350c8b833 <4>[ 66.221288] RDX: 000000000000001f RSI: 00007f5350b7e000 RDI: 0000000000000001 c cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 # [ 63.1<4>[ 66.229573] RBP: 00007f5350b7e000 R08: 00007f5350b7d010 R09: 0000000000000000 23533] RSP: 0018:ffffabbe426bfe38 EFLAGS: 00010282 # [ 63.129<4>[ 66.244065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 66.258564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 66.266866] irq event stamp: 0 <4>[ 66.270595] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 66.277917] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 66.287373] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 66.296827] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 66.304143] ---[ end trace 822abe8605a7ddc5 ]--- <6>[ 66.309606] lkdtm: Negative detected: saturated 691] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.137982] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 # [ 63.146272] RBP: ffffffff96cb1d20 R08: 0000000000000000 R09: 0000000000000000 # [ 63.154561] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.162853] R13: ffffabbe426bff10 R14: ffffabbe426bff10 R15: ffff8a7b84e61000 # [ 63.171143] FS: 00007ff7d0496580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 63.180501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.187240] CR2: 00007ff7d029f000 CR3: 00000001034be000 CR4: 00000000003506e0 # [ 63.195532] Call Trace: # [ 63.198590] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.205044] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.211592] direct_entry.cold+0x2c/0x38 # [ 63.216296] full_proxy_write+0x56/0x80 # [ 63.220903] vfs_write+0xea/0x3a0 # [ 63.224917] ksys_write+0x68/0xf0 # [ 63.228942] do_syscall_64+0x33/0x40 # [ 63.233258] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.239223] RIP: 0033:0x7ff7d03ac833 # [ 63.243538] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.264846] RSP: 002b:00007ffdfa3efb48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.273630] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff7d03ac833 # [ 63.281919] RDX: 000000000000001f RSI: 00007ff7d029f000 RDI: 0000000000000001 # [ 63.290212] RBP: 00007ff7d029f000 R08: 00007ff7d029e010 R09: 0000000000000000 # [ 63.298505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.306796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.315103] irq event stamp: 0 # [ 63.325013] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.338542] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.347997] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.357452] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.364770] ---[ end trace 822abe8605a7ddc1 ]--- # [ 63.370234] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 63.660094] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 63.669573] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 63.683006] ------------[ cut here ]------------ # [ 63.694741] refcount_t: saturated; leaking memory. # [ 63.706893] WARNING: CPU: 3 PID: 2068 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.722556] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.745203] CPU: 3 PID: 2068 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 63.760439] Hardware name: Google Coral/Coral, BIOS 09<6>[ 66.624238] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 66.633805] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 66.641249] ------------[ cut here ]------------ <4>[ 66.646726] refcount_t: underflow; use-after-free. <4>[ 66.652448] WARNING: CPU: 2 PID: 2205 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 66.662193] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 66.678478] CPU: 2 PID: 2205 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 66.687458] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 66.694402] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 66.700563] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 96 c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 66.721869] RSP: 0018:ffffabbe42947e40 EFLAGS: 00010286 <4>[ 66.728027] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 66.736317] RDX: ffff8a7bfbd2c660 RSI: ffff8a7bfbd1bf70 RDI: ffff8a7bfbd1bf70 <4>[ 66.744614] RBP: ffffffff96cb1d80 R08: 0000000000000000 R09: 0000000000000000 <4>[ 66.752912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 66.761204] R13: ffffabbe42947f10 R14: ffffabbe42947f10 R15: ffff8a7b856b7000 /29/2020 # [ 63.773518] RIP: 0010:refcount_warn_saturate+0x97<4>[ 66.769493] FS: 00007f5685854580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 <4>[ 66.785054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 66.791791] CR2: 00007f568565d000 CR3: 0000000103d34000 CR4: 00000000003506e0 <4>[ 66.800083] Call Trace: <4>[ 66.803143] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 66.809597] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 66.816154] direct_entry.cold+0x2c/0x38 <4>[ 66.820863] full_proxy_write+0x56/0x80 <4>[ 66.825473] vfs_write+0xea/0x3a0 /0x110 # [ 63.785788] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc <4>[ 66.829494] ksys_write+0x68/0xf0 <4>[ 66.839733] do_syscall_64+0x33/0x40 <4>[ 66.844049] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 66.850014] RIP: 0033:0x7f568576a833 <4>[ 66.854325] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 66.875637] RSP: 002b:00007ffc78a10138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 66.884423] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f568576a833 <4>[ 66.892707] RDX: 000000000000001f RSI: 00007f568565d000 RDI: 0000000000000001 cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 96 c6 05 1<4>[ 66.901007] RBP: 00007f568565d000 R08: 00007f568565c010 R09: 0000000000000000 1 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 <4>[ 66.915500] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 66.929987] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 66.938297] irq event stamp: 0 <4>[ 66.942030] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 66.949364] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 66.958823] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 66.968280] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 66.975598] ---[ end trace 822abe8605a7ddc6 ]--- <6>[ 66.981077] lkdtm: Negative detected: saturated 93 01 00 75 85 48 c7 c7 b0 d7 c4 # [ 63.813201] RSP: 0018:ffffabbe4274fe38 EFLAGS: 00010282 # [ 63.825648] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.840042] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 # [ 63.854636] RBP: ffffffff96cb1d40 R08: 0000000000000000 R09: 0000000000000000 # [ 63.869060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.883581] R13: ffffabbe4274ff10 R14: ffffabbe4274ff10 R15: ffff8a7b85485000 # [ 63.898064] FS: 00007f437ffdb580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 63.913650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.926567] CR2: 00007f437fde4000 CR3: 0000000103214000 CR4: 00000000003506e0 # [ 63.941109] Call Trace: # [ 63.950322] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.962975] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.975672] direct_entry.cold+0x2c/0x38 # [ 63.986633] full_proxy_write+0x56/0x80 # [ 63.997404] vfs_write+0xea/0x3a0 # [ 64.007584] ksys_write+0x68/0xf0 # [ 64.017867] do_syscall_64+0x33/0x40 # [ 64.028342] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.040499] RIP: 0033:0x7f437fef1833 # [ 64.051071] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.078612] RSP: 002b:00007fff4c588778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.093568] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f437fef1833 # [ 64.108063] RDX: 000000000000001f RSI: 00007f437fde4000 RDI: 0000000000000001 # [ 64.122591] RBP: 00007f437fde4000 R08: 00007f437fde3010 R09: 0000000000000000 # [ 64.137073] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.151606] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.166102] irq event stamp: 0 # [ 64.176044] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.189566] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.205250] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.220898] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.234424] ---[ end trace 822abe8605a7ddc2 ]--- # [ 64.246141] 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 # [ 64.587256] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 64.600055] lkdtm: attempting good refcount_dec() # [ 64.605655] lkdtm: attempting bad refcount_dec() to zero # [ 64.611909] ------------[ cut here ]------------ # [ 64.617388] refcount_t: decrement hit 0; leaking memory. # [ 64.623690] WARNING: CPU: 2 PID: 2100 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 64.633437] Modules linked in: fuse ip_tables cros<6>[ 67.282831] lkdtm: Performing direct entry REFCOUNT_INC_ZERO _ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_p<6>[ 67.291529] lkdtm: attempting safe refcount_inc_not_zero() from zero kg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.649728] <6>[ 67.305163] lkdtm: Good: zero detected CPU: 2 PID: 2100 Comm: cat Tainted: G D W 5.10.168-<6>[ 67.315949] lkdtm: Correctly stayed at zero cip27 #1 # [ 64.658699] Hardware name: Google Coral/Coral, BI<6>[ 67.327319] lkdtm: attempting bad refcount_inc() from zero OS 09/29/2020 # [ 64.665634] RIP: 0010:refcount_warn_saturat<4>[ 67.339733] ------------[ cut here ]------------ e+0xfb/0x110 # [ 64.671793] Code: 08 d8 c4 96 c6 05 c2 e8 93 <4>[ 67.351616] refcount_t: addition on 0; use-after-free. 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 96 c<4>[ 67.364076] WARNING: CPU: 3 PID: 2237 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 <4>[ 67.379640] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.693101] RSP: 00<4>[ 67.402275] CPU: 3 PID: 2237 Comm: cat Tainted: G D W 5.10.168-cip27 #1 18:ffffabbe427cfe48 EFLAGS: 00010286 # [ 64.699257] RAX: 0000<4>[ 67.417357] Hardware name: Google Coral/Coral, BIOS 09/29/2020 000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ <4>[ 67.430530] RIP: 0010:refcount_warn_saturate+0x74/0x110 64.707556] RDX: ffff8a7bfbd2c660 RSI: ffff8a7bfbd1bf70 RDI: ffff<4>[ 67.442897] Code: 01 01 e8 61 f1 94 00 0f 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 96 c6 05 32 e9 93 01 01 e8 3e f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 8a7bfbd1bf70 # [ 64.715853] RBP: ffffffff96cb20f9 R08: 000000<4>[ 67.470435] RSP: 0018:ffffabbe429cfe48 EFLAGS: 00010286 0000000000 R09: 0000000000000000 # [ 64.724145] R10: 00000000<4>[ 67.482792] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.7<4>[ 67.497272] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 32437] R13: ffffabbe427cff10 R14: ffffabbe427cff10 R15: ffff8a7b<4>[ 67.511784] RBP: ffffffff96cb2121 R08: 0000000000000000 R09: 0000000000000000 85575000 # [ 64.740720] FS: 00007fb4d3c55580(0000) GS:ffff8a<4>[ 67.526282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 7bfbd00000(0000) knlGS:0000000000000000 # [ 64.750081] CS: 0<4>[ 67.540772] R13: ffffabbe429cff10 R14: ffffabbe429cff10 R15: ffff8a7b84f5d000 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.756819] CR<4>[ 67.555225] FS: 00007f26b0472580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 2: 00007fb4d3a5e000 CR3: 0000000105482000 CR4: 00000000003506e0 <4>[ 67.570744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.765113] Call Trace: # [ 64.768174] lkdtm_REFCOUNT_<4>[ 67.583635] CR2: 00007f26b027b000 CR3: 00000001029ba000 CR4: 00000000003506e0 DEC_ZERO+0x4d/0xbd # [ 64.773463] direct_entry.cold+0x2c/0x3<4>[ 67.598153] Call Trace: 8 # [ 64.778171] full_proxy_write+0x56/0x80 # [ 64.782788<4>[ 67.607380] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 ] vfs_write+0xea/0x3a0 # [ 64.786811] ksys_write+0x68/0xf0 <4>[ 67.618849] direct_entry.cold+0x2c/0x38 # [ 64.790836] do_syscall_64+0x33/0x40 # [ 64.795155] en<4>[ 67.629797] full_proxy_write+0x56/0x80 try_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.801111] RIP: 00<4>[ 67.640567] vfs_write+0xea/0x3a0 33:0x7fb4d3b6b833 # [ 64.805424] Code: 8b 15 61 26 0e 00 f7 d<4>[ 67.650784] ksys_write+0x68/0xf0 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00<4>[ 67.661092] do_syscall_64+0x33/0x40 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5<4>[ 67.671582] entry_SYSCALL_64_after_hwframe+0x61/0xc6 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.826727] RS<4>[ 67.683705] RIP: 0033:0x7f26b0388833 P: 002b:00007fff48737e58 EFLAGS: 00000246 ORIG_RAX: 000000000000<4>[ 67.694249] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0001 # [ 64.835508] RAX: ffffffffffffffda RBX: 00000000000000<4>[ 67.721737] RSP: 002b:00007fffba80beb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 12 RCX: 00007fb4d3b6b833 # [ 64.850009] RDX: 0000000000000012<4>[ 67.736745] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f26b0388833 RSI: 00007fb4d3a5e000 RDI: 0000000000000001 # [ 64.858299] R<4>[ 67.751225] RDX: 0000000000000012 RSI: 00007f26b027b000 RDI: 0000000000000001 BP: 00007fb4d3a5e000 R08: 00007fb4d3a5d010 R09: 0000000000000000<4>[ 67.765746] RBP: 00007f26b027b000 R08: 00007f26b027a010 R09: 0000000000000000 # [ 64.866598] R10: fffffffffffffbc5 R11: 0000000000000246 R<4>[ 67.780228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 12: 0000000000000001 # [ 64.881081] R13: 0000000000000001 R14<4>[ 67.794767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000000000020000 R15: 0000000000020000 # [ 64.895598] irq e<4>[ 67.809264] irq event stamp: 0 vent stamp: 0 # [ 64.905541] hardirqs last enabled at (0): [<4>[ 67.819193] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <0000000000000000>] 0x0 # [ 64.912875] hardirqs last disabled<4>[ 67.832750] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 at (0): [] copy_process+0x664/0x1cb0 # [ 6<4>[ 67.848397] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 4.928559] softirqs last enabled at (0): [] co<4>[ 67.864116] softirqs last disabled at (0): [<0000000000000000>] 0x0 py_process+0x664/0x1cb0 # [ 64.938017] softirqs last disabled<4>[ 67.877822] ---[ end trace 822abe8605a7ddc7 ]--- at (0): [<0000000000000000>] 0x0 # [ 64.951522] ---[ end tra<6>[ 67.889305] lkdtm: Zero detected: saturated ce 822abe8605a7ddc3 ]--- # [ 64.956999] 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 # [ 65.258306] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 65.267601] lkdtm: attempting bad refcount_dec() below zero # [ 65.280366] ------------[ cut here ]------------ # [ 65.285846] refcount_t: decrement hit 0; leaking memory. # [ 65.298354] WARNING: CPU: 1 PID: 2135 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.314318] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.330621] CPU: 1 PID: 2135 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 65.339645] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.346616] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.358970] Code: 08 d8 c4 96 c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 96 c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 65.380265] RSP: 0018:ffffabbe4283fe48 EFLAGS: 00010286 # [ 65.386422] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 65.394715] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 # [ 65.403007] RBP: ffffffff96cb210b R08: 0000000000000000 R09: 0000000000000000 # [ 65.411295] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 65.419583] R13: ffffabbe4283ff10 R14: ffffabbe4283ff10 R15: ffff8a7b8427f000 # [ 65.427876] FS: 00007f39e95a4580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 65.437234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.443975] CR2: 00007f39e93ad000 CR3: 0000000104220000 CR4: 00000000003506e0 # [ 65.452266] Call Trace: # [ 65.455325] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 65.461001] direct_entry.cold+0x2c/0x38 # [ 65.465702] full_proxy_write+0x56/0x80 # [ 65.470312] vfs_write+0xea/0x3a0 # [ 65.474325] ksys_write+0x68/0xf0 # [ 65.478350] do_syscall_64+0x33/0x40 # [ 65.482665] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.488622] RIP: 0033:0x7f39e94ba833 # [ 65.492931] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.514239] RSP: 002b:00007ffc695291a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.523019] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f39e94ba833 # [ 65.531310] RDX: 0000000000000016 RSI: 00007f39e93ad000 RDI: 0000000000000001 # [ 65.539596] RBP: 00007f39e93ad000 R08: 00007f39e93ac010 R09: 0000000000000000 # [ 65.547884] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.556176] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.570683] irq event stamp: 0 # [ 65.574406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.587944] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.597403] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.606856] softirqs last disabled at (0): [<0000<6>[ 68.229874] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 000000000000>] 0x0 # [ 65.614175] ---[ end trace 822abe8605a7<6>[ 68.236789] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 68.250431] lkdtm: Good: zero detected <6>[ 68.254935] lkdtm: Correctly stayed at zero <6>[ 68.259920] lkdtm: attempting bad refcount_add() from zero ddc4 ]--- # [ 65.619647] lkdtm: Negative detected: saturated <4>[ 68.266363] ------------[ cut here ]------------ <4>[ 68.278056] refcount_t: addition on 0; use-after-free. # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok<4>[ 68.284162] WARNING: CPU: 0 PID: 2269 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests:<4>[ 68.300094] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 68.322583] CPU: 0 PID: 2269 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 68.331557] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 68.338509] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 68.344681] Code: 01 01 e8 61 f1 94 00 0f 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 96 c6 05 32 e9 93 01 01 e8 3e f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 <4>[ 68.366014] RSP: 0018:ffffabbe42a2fe48 EFLAGS: 00010286 lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 65.932096] lkdt<4>[ 68.372180] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 m: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ <4>[ 68.386684] RDX: ffff8a7bfbc2c660 RSI: ffff8a7bfbc1bf70 RDI: ffff8a7bfbc1bf70 65.943799] lkdtm: attempting bad refcount_dec_and_test() below <4>[ 68.401203] RBP: ffffffff96cb2133 R08: 0000000000000000 R09: 0000000000000000 zero # [ 65.951240] ------------[ cut here ]------------ # [<4>[ 68.415715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 65.956712] refcount_t: underflow; use-after-free. # [ 65.9<4>[ 68.430216] R13: ffffabbe42a2ff10 R14: ffffabbe42a2ff10 R15: ffff8a7b8347b000 68652] WARNING: CPU: 1 PID: 2170 at lib/refcount.c:28 refcount_w<4>[ 68.444708] FS: 00007f856f9c3580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 arn_saturate+0xba/0x110 # [ 65.978399] Modules linked in: fus<4>[ 68.460272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_<4>[ 68.473234] CR2: 00007f856f7cc000 CR3: 00000001032fa000 CR4: 00000000003506f0 ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify #<4>[ 68.487724] Call Trace: [ 65.994700] CPU: 1 PID: 2170 Comm: cat Tainted: G D W <4>[ 68.496998] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 5.10.168-cip27 #1 # [ 66.003670] Hardware name: Google<4>[ 68.508477] direct_entry.cold+0x2c/0x38 Coral/Coral, BIOS 09/29/2020 # [ 66.010651] RIP: 0010:refco<4>[ 68.519379] full_proxy_write+0x56/0x80 unt_warn_saturate+0xba/0x110 # [ 66.023032] Code: 01 01 e8 1b<4>[ 68.530179] vfs_write+0xea/0x3a0 f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 <4>[ 68.540410] ksys_write+0x68/0xf0 c7 b0 d7 c4 96 c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc<4>[ 68.550629] do_syscall_64+0x33/0x40 cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 66<4>[ 68.561133] entry_SYSCALL_64_after_hwframe+0x61/0xc6 .044340] RSP: 0018:ffffabbe428c7e40 EFLAGS: 00010286 # [ 66.0<4>[ 68.573289] RIP: 0033:0x7f856f8d9833 50496] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 00000000<4>[ 68.583799] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000000 # [ 66.064988] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfb<4>[ 68.611303] RSP: 002b:00007ffe8239e608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c9bf70 RDI: ffff8a7bfbc9bf70 # [ 66.073274] RBP: ffffffff96cb<4>[ 68.626295] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f856f8d9833 1d60 R08: 0000000000000000 R09: 0000000000000000 # [ 66.08156<4>[ 68.640783] RDX: 0000000000000012 RSI: 00007f856f7cc000 RDI: 0000000000000001 5] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[ 68.655280] RBP: 00007f856f7cc000 R08: 00007f856f7cb010 R09: 0000000000000000 001f # [ 66.096066] R13: ffffabbe428c7f10 R14: ffffabbe428c7f<4>[ 68.669780] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 10 R15: ffff8a7b856a7000 # [ 66.104354] FS: 00007f5350d75580<4>[ 68.684274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 (0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 6<4>[ 68.698786] irq event stamp: 0 6.113710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [<4>[ 68.708707] hardirqs last enabled at (0): [<0000000000000000>] 0x0 66.120444] CR2: 00007f5350b7e000 CR3: 0000000104f5a000 CR4: 0<4>[ 68.722237] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0000000003506e0 # [ 66.128721] Call Trace: # [ 66.131777] <4>[ 68.737916] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 68.753589] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.138231] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78<4>[ 68.765547] ---[ end trace 822abe8605a7ddc8 ]--- # [ 66.144782] direct_entry.cold+0x2c/0x38 # [ 66.149484<6>[ 68.777228] lkdtm: Zero detected: saturated ] full_proxy_write+0x56/0x80 # [ 66.160302] vfs_write+0xea/0x3a0 # [ 66.164324] ksys_write+0x68/0xf0 # [ 66.168347] do_syscall_64+0x33/0x40 # [ 66.172653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.178609] RIP: 0033:0x7f5350c8b833 # [ 66.182920] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.204220] RSP: 002b:00007ffe5c5a12d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.213001] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5350c8b833 # [ 66.221288] RDX: 000000000000001f RSI: 00007f5350b7e000 RDI: 0000000000000001 # [ 66.229573] RBP: 00007f5350b7e000 R08: 00007f5350b7d010 R09: 0000000000000000 # [ 66.244065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.258564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.266866] irq event stamp: 0 # [ 66.270595] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.277917] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.287373] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.296827] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.304143] ---[ end trace 822abe8605a7ddc5 ]--- # [ 66.309606] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 66.624238] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 66.633805] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 66.641249] ------------[ cut here ]------------ # [ 66.646726] refcount_t: underflow; use-after-free. # [ 66.652448] WARNING: CPU: 2 PID: 2205 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 66.662193] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.678478] CPU: 2 PID: 2205 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 66.687458] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.694402] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 66.700563] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 96 c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 66.721869] RSP: 0018:ffffabbe42947e40 EFLAGS: 00010286 # [ 66.728027] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 66.736317] RDX: ffff8a7bfbd2c660 RSI: ffff8a7bfbd1bf70 RDI: ffff8a7bfbd1bf70 # [ 66.744614] RBP: ffffffff96cb1d80 R08: 0000000000000000 R09: 0000000000000000 # [ 66.752912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.761204] R13: ffffabbe42947f10 R14: ffffabbe42947f10 R15: ffff8a7b856b7000 # [ 66.769493] FS: 00007f5685854580(0000) GS:ffff8a7bfbd00000(0000) knlGS:0000000000000000 # [ 66.785054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.791791] <6>[ 69.103559] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 69.115483] lkdtm: attempting bad refcount_inc() from saturated CR2: 00007f568565d000 CR3: 0000000103d34000 CR4: 00000000003506e<4>[ 69.122418] ------------[ cut here ]------------ <4>[ 69.134111] refcount_t: saturated; leaking memory. <4>[ 69.139831] WARNING: CPU: 1 PID: 2304 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0 # [ 66.800083] Call Trace: # [ 66.803143] __refcount_su<4>[ 69.149577] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 69.172035] CPU: 1 PID: 2304 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 69.181018] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 69.187957] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 69.194122] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 96 c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 <4>[ 69.215432] RSP: 0018:ffffabbe42ab7e48 EFLAGS: 00010286 <4>[ 69.221592] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 69.229893] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 <4>[ 69.238190] RBP: ffffffff96cb2145 R08: 0000000000000000 R09: 0000000000000000 <4>[ 69.246479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 69.254773] R13: ffffabbe42ab7f10 R14: ffffabbe42ab7f10 R15: ffff8a7b856a7000 <4>[ 69.263064] FS: 00007f66c14c0580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 69.272420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 69.279147] CR2: 00007f66c12c9000 CR3: 00000001054e4000 CR4: 00000000003506e0 <4>[ 69.287433] Call Trace: b_and_test.constprop.0+0x3c/0x50 # [ 66.809597] lkdtm_REFCOU<4>[ 69.290491] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 69.302483] direct_entry.cold+0x2c/0x38 <4>[ 69.307187] full_proxy_write+0x56/0x80 <4>[ 69.311796] vfs_write+0xea/0x3a0 <4>[ 69.315819] ksys_write+0x68/0xf0 <4>[ 69.319844] do_syscall_64+0x33/0x40 <4>[ 69.324157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 69.330129] RIP: 0033:0x7f66c13d6833 <4>[ 69.334437] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 69.355749] RSP: 002b:00007ffff76cc3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 NT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 66.816154] direct_ent<4>[ 69.364535] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f66c13d6833 <4>[ 69.379041] RDX: 0000000000000017 RSI: 00007f66c12c9000 RDI: 0000000000000001 ry.cold+0x2c/0x38 # [ 66.820863] full_proxy_write+0x56/0x80 <4>[ 69.387338] RBP: 00007f66c12c9000 R08: 00007f66c12c8010 R09: 0000000000000000 # [ 66.825473] vfs_write+0xea/0x3a0 # [ 66.829494] ksys_<4>[ 69.401827] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 69.416330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 69.424646] irq event stamp: 0 <4>[ 69.428376] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 69.435707] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 69.445170] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 69.454673] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 69.462022] ---[ end trace 822abe8605a7ddc9 ]--- write+0x68/0xf0 # [ 66.839733] do_syscall_64+0x33/0x40 # [ <6>[ 69.467496] lkdtm: Saturation detected: still saturated 66.844049] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.850014] RIP: 0033:0x7f568576a833 # [ 66.854325] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.875637] RSP: 002b:00007ffc78a10138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.884423] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f568576a833 # [ 66.892707] RDX: 000000000000001f RSI: 00007f568565d000 RDI: 0000000000000001 # [ 66.901007] RBP: 00007f568565d000 R08: 00007f568565c010 R09: 0000000000000000 # [ 66.915500] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.929987] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.938297] irq event stamp: 0 # [ 66.942030] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.949364] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.958823] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.968280] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.975598] ---[ end trace 822abe8605a7ddc6 ]--- # [ 66.981077] 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 # [ 67.282831] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 67.291529] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 67.305163] lkdtm: Good: zero detected # [ 67.315949] lkdtm: Correctly stayed at zero # [ 67.327319] lkdtm: attempting bad refcount_inc() from zero # [ 67.339733] ------------[ cut here ]------------ # [ 67.351616] refcount_t: addition on 0; use-after-free. # [ 67.364076] WARNING: CPU: 3 PID: 2237 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 67.379640] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.402275] CPU: 3 PID: 2237 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 67.417357] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.430530] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 67.442897] Code: 01 01 e8 61 f1 94 00 0f 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 96 c6 05 32 e9 93 01 01 e8 3e f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 # [ 67.470435] RSP: 0018:ffffabbe429cfe48 EFLAGS: 00010286 # [ 67.482792] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 67.497272] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 # [ 67.511784] RBP: ffffffff96cb2121 R08: 0000000000000000 R09: 0000000000000000 # [ 67.526282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.540772] R13: ffffabbe429cff10 R14: ffffabbe429cff10 R15: ffff8a7b84f5d000 # [ 67.555225] FS: 00007f26b0472580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 67.570744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.583635] CR2: 00007f26b027b000 CR3: 00000001029ba000 CR4: 000000<6>[ 69.799205] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 69.810350] lkdtm: attempting bad refcount_dec() from saturated 00003506e0 # [ 67.598153] Call Trace: # [ 67.607380] lkdt<4>[ 69.817305] ------------[ cut here ]------------ <4>[ 69.828973] refcount_t: decrement hit 0; leaking memory. <4>[ 69.835275] WARNING: CPU: 1 PID: 2339 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 m_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 67.618849] direct_entry.co<4>[ 69.845025] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ld+0x2c/0x38 # [ 67.629797] full_proxy_write+0x56/0x80 # [ <4>[ 69.867527] CPU: 1 PID: 2339 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 69.882700] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 69.889642] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 69.895801] Code: 08 d8 c4 96 c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 96 c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 69.917108] RSP: 0018:ffffabbe42b3fe48 EFLAGS: 00010286 <4>[ 69.923265] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 69.931554] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 <4>[ 69.939844] RBP: ffffffff96cb215c R08: 0000000000000000 R09: 0000000000000000 <4>[ 69.948125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 69.956415] R13: ffffabbe42b3ff10 R14: ffffabbe42b3ff10 R15: ffff8a7b84ced000 <4>[ 69.964705] FS: 00007f900fbac580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 <4>[ 69.974067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 69.980804] CR2: 00007f900f9b5000 CR3: 0000000104dda000 CR4: 00000000003506e0 <4>[ 69.989096] Call Trace: <4>[ 69.992159] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 69.997938] direct_entry.cold+0x2c/0x38 <4>[ 70.002650] full_proxy_write+0x56/0x80 <4>[ 70.007264] vfs_write+0xea/0x3a0 <4>[ 70.011288] ksys_write+0x68/0xf0 <4>[ 70.015305] do_syscall_64+0x33/0x40 <4>[ 70.019623] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 70.025588] RIP: 0033:0x7f900fac2833 <4>[ 70.029899] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 70.051205] RSP: 002b:00007fff8ea628e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 70.059983] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f900fac2833 <4>[ 70.068274] RDX: 0000000000000017 RSI: 00007f900f9b5000 RDI: 0000000000000001 <4>[ 70.076562] RBP: 00007f900f9b5000 R08: 00007f900f9b4010 R09: 0000000000000000 <4>[ 70.084854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 67.640567] vfs_write+0xea/0x3a0 # [ 67.650784] ksys_write<4>[ 70.093142] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 70.107642] irq event stamp: 0 +0x68/0xf0 # [ 67.661092] do_syscall_64+0x33/0x40 # [ 67.<4>[ 70.111363] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 70.124895] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 70.134353] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 70.143809] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 70.151130] ---[ end trace 822abe8605a7ddca ]--- <6>[ 70.156603] lkdtm: Saturation detected: still saturated 671582] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.683705] RIP: 0033:0x7f26b0388833 # [ 67.694249] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.721737] RSP: 002b:00007fffba80beb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.736745] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f26b0388833 # [ 67.751225] RDX: 0000000000000012 RSI: 00007f26b027b000 RDI: 0000000000000001 # [ 67.765746] RBP: 00007f26b027b000 R08: 00007f26b027a010 R09: 0000000000000000 # [ 67.780228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.794767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.809264] irq event stamp: 0 # [ 67.819193] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.832750] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.848397] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.864116] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.877822] ---[ end trace 822abe8605a7ddc7 ]--- # [ 67.889305] 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 # [ 68.229874] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 68.236789] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 68.250431] lkdtm: Good: zero detected # [ 68.254935] lkdtm: Correctly stayed at zero # [ 68.259920] lkdtm: attempting bad refcount_add() from zero # [ 68.266363] ------------[ cut here ]------------ # [ 68.278056] refcount_t: addition on 0; use-after-free. # [ 68.284162] WARNING: CPU: 0 PID: 2269 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 68.300094] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.322583] CPU: 0 PID: 2269 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 68.331557] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.338509] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 68.344681] Code: 01 01 e8 61 f1 94 00 0f 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 96 c6 05 32 e9 93 01 01 e8 3e f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 # [ 68.366014] RSP: 0018:ffffabbe42a2fe48 EFLAGS: 00010286 # [ 68.372180] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 68.386684] RDX: ffff8a7bfbc2c660 RSI: ffff8a7bfbc1bf70 RDI: ffff8a7bfbc1bf70 # [ 68.401203] RBP: ffffffff96cb2133 R08: 0000000000000000 R09: 0000000000000000 # [ 68.415715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 68.430216] R13: ffffabbe42a2ff10 R14: ffffabbe42a2ff10 R15: ffff8a7b8347b000 # [ 68.444708] FS: 00007f856f9c3580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 # [ 68.460272] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<6>[ 70.473457] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 33 # [ 68.473234] CR2: 00007f856f7cc000 CR3: 00000001032fa000<6>[ 70.480847] lkdtm: attempting bad refcount_dec() from saturated CR4: 00000000003506f0 # [ 68.487724] Call Trace: # [ 68.4<4>[ 70.494023] ------------[ cut here ]------------ 96998] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 68.508477] dir<4>[ 70.505738] refcount_t: saturated; leaking memory. ect_entry.cold+0x2c/0x38 # [ 68.519379] full_proxy_write+0x5<4>[ 70.517633] WARNING: CPU: 3 PID: 2374 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 6/0x80 # [ 68.530179] vfs_write+0xea/0x3a0 # [ 68.540410]<4>[ 70.533802] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ksys_write+0x68/0xf0 # [ 68.550629] do_syscall_64+0x33/0x4<4>[ 70.556114] CPU: 3 PID: 2374 Comm: cat Tainted: G D W 5.10.168-cip27 #1 0 # [ 68.561133] entry_SYSCALL_64_after_hwframe+0x61/0xc6 #<4>[ 70.571376] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.573289] RIP: 0033:0x7f856f8d9833 # [ 68.583799] Code:<4>[ 70.584372] RIP: 0010:refcount_warn_saturate+0x51/0x110 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f <4>[ 70.596882] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 96 c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <<4>[ 70.624275] RSP: 0018:ffffabbe42ba7e48 EFLAGS: 00010286 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 <4>[ 70.636707] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 18 # [ 68.611303] RSP: 002b:00007ffe8239e608 EFLAGS: 00000246<4>[ 70.651127] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 ORIG_RAX: 0000000000000001 # [ 68.626295] RAX: fffffffffffff<4>[ 70.665662] RBP: ffffffff96cb2173 R08: 0000000000000000 R09: 0000000000000000 fda RBX: 0000000000000012 RCX: 00007f856f8d9833 # [ 68.640783<4>[ 70.680130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ] RDX: 0000000000000012 RSI: 00007f856f7cc000 RDI: 0000000000000<4>[ 70.694661] R13: ffffabbe42ba7f10 R14: ffffabbe42ba7f10 R15: ffff8a7b83f39000 001 # [ 68.655280] RBP: 00007f856f7cc000 R08: 00007f856f7cb01<4>[ 70.709130] FS: 00007f1cdd7d4580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 0 R09: 0000000000000000 # [ 68.669780] R10: fffffffffffffbc5 <4>[ 70.724737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R11: 0000000000000246 R12: 0000000000000001 # [ 68.684274] R1<4>[ 70.737641] CR2: 00007f1cdd5dd000 CR3: 0000000103220000 CR4: 00000000003506e0 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 70.752176] Call Trace: # [ 68.698786] irq event stamp: 0 # [ 68.708707] hardirqs <4>[ 70.761436] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 last enabled at (0): [<0000000000000000>] 0x0 # [ 68.722237]<4>[ 70.773424] direct_entry.cold+0x2c/0x38 hardirqs last disabled at (0): [] copy_proces<4>[ 70.784292] full_proxy_write+0x56/0x80 s+0x664/0x1cb0 # [ 68.737916] softirqs last enabled at (0): <4>[ 70.795122] vfs_write+0xea/0x3a0 [] copy_process+0x664/0x1cb0 # [ 68.753589]<4>[ 70.805339] ksys_write+0x68/0xf0 softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 70.815595] do_syscall_64+0x33/0x40 68.765547] ---[ end trace 822abe8605a7ddc8 ]--- # [ 68.777228<4>[ 70.826085] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'cal<4>[ 70.838300] RIP: 0033:0x7f1cdd6ea833 l trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # s<4>[ 70.848749] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 elftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 69.103559] lkd<4>[ 70.876314] RSP: 002b:00007ffc42390e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 tm: Performing direct entry REFCOUNT_INC_SATURATED # [ 69.115<4>[ 70.891208] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1cdd6ea833 483] lkdtm: attempting bad refcount_inc() from saturated # [ <4>[ 70.905749] RDX: 0000000000000017 RSI: 00007f1cdd5dd000 RDI: 0000000000000001 69.122418] ------------[ cut here ]------------ # [ 69.134111<4>[ 70.920197] RBP: 00007f1cdd5dd000 R08: 00007f1cdd5dc010 R09: 0000000000000000 ] refcount_t: saturated; leaking memory. # [ 69.139831] WARNI<4>[ 70.934728] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 NG: CPU: 1 PID: 2304 at lib/refcount.c:22 refcount_warn_saturate<4>[ 70.949177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 +0x51/0x110 # [ 69.149577] Modules linked in: fuse ip_tables <4>[ 70.963721] irq event stamp: 0 cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x<4>[ 70.973617] hardirqs last enabled at (0): [<0000000000000000>] 0x0 86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.1720<4>[ 70.987143] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 35] CPU: 1 PID: 2304 Comm: cat Tainted: G D W 5.10.<4>[ 71.002855] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 168-cip27 #1 # [ 69.181018] Hardware name: Google Coral/Coral<4>[ 71.018495] softirqs last disabled at (0): [<0000000000000000>] 0x0 , BIOS 09/29/2020 # [ 69.187957] RIP: 0010:refcount_warn_sat<4>[ 71.032031] ---[ end trace 822abe8605a7ddcb ]--- urate+0x51/0x110 # [ 69.194122] Code: 84 bc 00 00 00 c3 cc cc<6>[ 71.043691] lkdtm: Saturation detected: still saturated cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 96 c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 # [ 69.215432] RSP: 0018:ffffabbe42ab7e48 EFLAGS: 00010286 # [ 69.221592] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 69.229893] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 # [ 69.238190] RBP: ffffffff96cb2145 R08: 0000000000000000 R09: 0000000000000000 # [ 69.246479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 69.254773] R13: ffffabbe42ab7f10 R14: ffffabbe42ab7f10 R15: ffff8a7b856a7000 # [ 69.263064] FS: 00007f66c14c0580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 69.272420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.279147] CR2: 00007f66c12c9000 CR3: 00000001054e4000 CR4: 00000000003506e0 # [ 69.287433] Call Trace: # [ 69.290491] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 69.302483] direct_entry.cold+0x2c/0x38 # [ 69.307187] full_proxy_write+0x56/0x80 # [ 69.311796] vfs_write+0xea/0x3a0 # [ 69.315819] ksys_write+0x68/0xf0 # [ 69.319844] do_syscall_64+0x33/0x40 # [ 69.324157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.330129] RIP: 0033:0x7f66c13d6833 # [ 69.334437] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.355749] RSP: 002b:00007ffff76cc3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.364535] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f66c13d6833 # [ 69.379041] RDX: 0000000000000017 RSI: 00007f66c12c9000 RDI: 0000000000000001 # [ 69.387338] RBP: 00007f66c12c9000 R08: 00007f66c12c8010 R09: 0000000000000000 # [ 69.401827] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.416330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.424646] irq event stamp: 0 # [ 69.428376] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.435707] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.445170] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.454673] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.462022] ---[ end trace 822abe8605a7ddc9 ]--- # [ 69.467496] 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 # [ 69.799205] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 69.810350] lkdtm: attempting bad refcount_dec() from saturated # [ 69.817305] ------------[ cut here ]------------ # [ 69.828973] refcount_t: decrement hit 0; leaking memory. # [ 69.835275] WARNING: CPU: 1 PID: 2339 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 69.845025] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.867527] CPU: 1 PID: 2339 Comm<6>[ 71.369640] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 71.381178] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 71.389023] ------------[ cut here ]------------ <4>[ 71.394506] refcount_t: saturated; leaking memory. <4>[ 71.400224] WARNING: CPU: 1 PID: 2406 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 : cat Tainted: G D W 5.10.168-cip27 #1 # [ 69.88<4>[ 71.409978] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 71.432469] CPU: 1 PID: 2406 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 71.441450] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 71.448395] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 71.454559] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 96 c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 <4>[ 71.475888] RSP: 0018:ffffabbe42c27e38 EFLAGS: 00010282 <4>[ 71.482041] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 71.490335] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 <4>[ 71.498636] RBP: ffffffff96cb1da0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 71.506930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 71.515222] R13: ffffabbe42c27f10 R14: ffffabbe42c27f10 R15: ffff8a7b83e56000 <4>[ 71.523515] FS: 00007fabbb05f580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 2700] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ <4>[ 71.532874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 71.545798] CR2: 00007fabbae68000 CR3: 0000000103d2e000 CR4: 00000000003506e0 <4>[ 71.554087] Call Trace: <4>[ 71.557143] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 71.563606] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 71.570258] direct_entry.cold+0x2c/0x38 <4>[ 71.574967] full_proxy_write+0x56/0x80 <4>[ 71.579579] vfs_write+0xea/0x3a0 <4>[ 71.583612] ksys_write+0x68/0xf0 <4>[ 71.587630] do_syscall_64+0x33/0x40 <4>[ 71.591950] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 71.597918] RIP: 0033:0x7fabbaf75833 <4>[ 71.602234] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 71.623543] RSP: 002b:00007ffdc2e5b018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 71.632333] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fabbaf75833 <4>[ 71.640623] RDX: 0000000000000020 RSI: 00007fabbae68000 RDI: 0000000000000001 69.889642] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 6<4>[ 71.648912] RBP: 00007fabbae68000 R08: 00007fabbae67010 R09: 0000000000000000 9.895801] Code: 08 d8 c4 96 c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 <4>[ 71.663409] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 71.677899] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 71.686208] irq event stamp: 0 <4>[ 71.689941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 71.697266] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 71.706741] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 71.716202] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 71.723521] ---[ end trace 822abe8605a7ddcc ]--- <6>[ 71.728995] lkdtm: Saturation detected: still saturated 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 96 c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 69.917108] RSP: 0018:ffffabbe42b3fe48 EFLAGS: 00010286 # [ 69.923265] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 69.931554] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 # [ 69.939844] RBP: ffffffff96cb215c R08: 0000000000000000 R09: 0000000000000000 # [ 69.948125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 69.956415] R13: ffffabbe42b3ff10 R14: ffffabbe42b3ff10 R15: ffff8a7b84ced000 # [ 69.964705] FS: 00007f900fbac580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 69.974067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.980804] CR2: 00007f900f9b5000 CR3: 0000000104dda000 CR4: 00000000003506e0 # [ 69.989096] Call Trace: # [ 69.992159] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 69.997938] direct_entry.cold+0x2c/0x38 # [ 70.002650] full_proxy_write+0x56/0x80 # [ 70.007264] vfs_write+0xea/0x3a0 # [ 70.011288] ksys_write+0x68/0xf0 # [ 70.015305] do_syscall_64+0x33/0x40 # [ 70.019623] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.025588] RIP: 0033:0x7f900fac2833 # [ 70.029899] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.051205] RSP: 002b:00007fff8ea628e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.059983] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f900fac2833 # [ 70.068274] RDX: 0000000000000017 RSI: 00007f900f9b5000 RDI: 0000000000000001 # [ 70.076562] RBP: 00007f900f9b5000 R08: 00007f900f9b4010 R09: 0000000000000000 # [ 70.084854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.093142] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.107642] irq event stamp: 0 # [ 70.111363] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.124895] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 70.134353] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 70.143809] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.151130] ---[ end trace 822abe8605a7ddca ]--- # [ 70.156603] 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 # [ 70.473457] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 70.480847] lkdtm: attempting bad refcount_dec() from saturated # [ 70.494023] ------------[ cut here ]------------ # [ 70.505738] refcount_t: saturated; leaking memory. # [ 70.517633] WARNING: CPU: 3 PID: 2374 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 70.533802] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.556114] CPU: 3 PID: 2374 Comm: cat Tainted: G D W <6>[ 72.048131] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 5.10.168-cip27 #1 # [ 70.571376] Hardware name: Google Cor<6>[ 72.060255] lkdtm: attempting bad refcount_add_not_zero() from saturated al/Coral, BIOS 09/29/2020 # [ 70.584372] RIP: 0010:refcount_<4>[ 72.074299] ------------[ cut here ]------------ warn_saturate+0x51/0x110 # [ 70.596882] Code: 84 bc 00 00 00 <4>[ 72.086054] refcount_t: saturated; leaking memory. c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 5<4>[ 72.098175] WARNING: CPU: 3 PID: 2438 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 8 d7 c4 96 c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc <4>[ 72.113850] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 # [ 70.624<4>[ 72.136508] CPU: 3 PID: 2438 Comm: cat Tainted: G D W 5.10.168-cip27 #1 275] RSP: 0018:ffffabbe42ba7e48 EFLAGS: 00010286 # [ 70.63670<4>[ 72.151696] Hardware name: Google Coral/Coral, BIOS 09/29/2020 7] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 000000000000<4>[ 72.164757] RIP: 0010:refcount_warn_saturate+0x97/0x110 0000 # [ 70.651127] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf<4>[ 72.177082] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 96 c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 70 RDI: ffff8a7bfbd9bf70 # [ 70.665662] RBP: ffffffff96cb2173<4>[ 72.204502] RSP: 0018:ffffabbe42c97e38 EFLAGS: 00010282 R08: 0000000000000000 R09: 0000000000000000 # [ 70.680130] R<4>[ 72.217012] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017<4>[ 72.231447] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 # [ 70.694661] R13: ffffabbe42ba7f10 R14: ffffabbe42ba7f10 R<4>[ 72.245933] RBP: ffffffff96cb1dc0 R08: 0000000000000000 R09: 0000000000000000 15: ffff8a7b83f39000 # [ 70.709130] FS: 00007f1cdd7d4580(000<4>[ 72.260439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 70.72<4>[ 72.274921] R13: ffffabbe42c97f10 R14: ffffabbe42c97f10 R15: ffff8a7b84eeb000 4737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 7<4>[ 72.289446] FS: 00007fc3a8540580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 0.737641] CR2: 00007f1cdd5dd000 CR3: 0000000103220000 CR4: 00000<4>[ 72.305003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000003506e0 # [ 70.752176] Call Trace: # [ 70.761436] lkd<4>[ 72.317933] CR2: 00007fc3a8349000 CR3: 0000000104f98000 CR4: 00000000003506e0 tm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 70.773424] direct_en<4>[ 72.332419] Call Trace: try.cold+0x2c/0x38 # [ 70.784292] full_proxy_write+0x56/0x80<4>[ 72.341645] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 70.795122] vfs_write+0xea/0x3a0 # [ 70.805339] ksys<4>[ 72.354232] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 _write+0x68/0xf0 # [ 70.815595] do_syscall_64+0x33/0x40 # [<4>[ 72.367096] direct_entry.cold+0x2c/0x38 70.826085] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 7<4>[ 72.377965] full_proxy_write+0x56/0x80 0.838300] RIP: 0033:0x7f1cdd6ea833 # [ 70.848749] Code: 8b 15<4>[ 72.388766] vfs_write+0xea/0x3a0 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <4>[ 72.399030] ksys_write+0x68/0xf0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d<4>[ 72.409217] do_syscall_64+0x33/0x40 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # <4>[ 72.419732] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.876314] RSP: 002b:00007ffc42390e18 EFLAGS: 00000246 ORIG_<4>[ 72.431963] RIP: 0033:0x7fc3a8456833 RAX: 0000000000000001 # [ 70.891208] RAX: ffffffffffffffda RB<4>[ 72.442457] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 X: 0000000000000017 RCX: 00007f1cdd6ea833 # [ 70.905749] RDX:<4>[ 72.469953] RSP: 002b:00007ffc1a8ae878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000017 RSI: 00007f1cdd5dd000 RDI: 0000000000000001 #<4>[ 72.484913] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc3a8456833 [ 70.920197] RBP: 00007f1cdd5dd000 R08: 00007f1cdd5dc010 R09:<4>[ 72.499432] RDX: 0000000000000020 RSI: 00007fc3a8349000 RDI: 0000000000000001 0000000000000000 # [ 70.934728] R10: fffffffffffffbc5 R11: 0<4>[ 72.513913] RBP: 00007fc3a8349000 R08: 00007fc3a8348010 R09: 0000000000000000 000000000000246 R12: 0000000000000001 # [ 70.949177] R13: 000<4>[ 72.528429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 72.542901] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 70.963721] irq event stamp: 0 # [ 70.973617] hardirqs last <4>[ 72.557443] irq event stamp: 0 enabled at (0): [<0000000000000000>] 0x0 # [ 70.987143] hardi<4>[ 72.567338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 rqs last disabled at (0): [] copy_process+0x66<4>[ 72.580868] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 4/0x1cb0 # [ 71.002855] softirqs last enabled at (0): [[ 72.596560] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ffff95300cb4>] copy_process+0x664/0x1cb0 # [ 71.018495] softi<4>[ 72.612200] softirqs last disabled at (0): [<0000000000000000>] 0x0 rqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.032<4>[ 72.625752] ---[ end trace 822abe8605a7ddcd ]--- 031] ---[ end trace 822abe8605a7ddcb ]--- # [ 71.043691] lkdt<6>[ 72.637415] lkdtm: Saturation detected: still saturated m: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 71.369640] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 71.381178] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 71.389023] ------------[ cut here ]------------ # [ 71.394506] refcount_t: saturated; leaking memory. # [ 71.400224] WARNING: CPU: 1 PID: 2406 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 71.409978] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.432469] CPU: 1 PID: 2406 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 71.441450] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.448395] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 71.454559] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 96 c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 # [ 71.475888] RSP: 0018:ffffabbe42c27e38 EFLAGS: 00010282 # [ 71.482041] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 71.490335] RDX: ffff8a7bfbcac660 RSI: ffff8a7bfbc9bf70 RDI: ffff8a7bfbc9bf70 # [ 71.498636] RBP: ffffffff96cb1da0 R08: 0000000000000000 R09: 0000000000000000 # [ 71.506930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.515222] R13: ffffabbe42c27f10 R14: ffffabbe42c27f10 R15: ffff8a7b83e56000 # [ 71.523515] FS: 00007fabbb05f580(0000) GS:ffff8a7bfbc80000(0000) knlGS:0000000000000000 # [ 71.532874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.545798] CR2: 00007fabbae68000 CR3: 0000000103d2e000 CR4: 00000000003506e0 # [ 71.554087] Call Trace: # [ 71.557143] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 71.563606] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 71.570258] direct_entry.cold+0x2c/0x38 # [ 71.574967] full_proxy_write+0x56/0x80 # [ 71.579579] vfs_write+0xea/0x3a0 # [ 71.583612] ksys_write+0x68/0xf0 # [ 71.587630] do_syscall_64+0x33/0x40 # [ 71.591950] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.597918] RIP: 0033:0x7fabbaf75833 # [ 71.602234] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.623543] RSP: 002b:00007ffdc2e5b018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.632333] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fabbaf75833 # [ 71.640623] RDX: 0000000000000020 RSI: 00007fabbae68000 RDI: 0000000000000001 # [ 71.648912] RBP: 00007fabbae68000 R08: 00007fabbae67010 R09: 0000000000000000 # [ 71.663409] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.677899] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.686208] irq event stamp: 0 # [ 71.689941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.697266] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 71.706741] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 71.716202] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.723521] ---[ end trace 822abe8605a7ddcc ]--- # [ 71.728995] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm:<6>[ 73.008511] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 73.018335] lkdtm: attempting bad refcount_dec_and_test() from saturated REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUN<4>[ 73.026167] ------------[ cut here ]------------ <4>[ 73.037852] refcount_t: underflow; use-after-free. T_ADD_NOT_ZERO_SATURATED.sh # [ 72.048131] lkdtm: Performing <4>[ 73.043570] WARNING: CPU: 0 PID: 2473 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 72.060255] l<4>[ 73.059496] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify kdtm: attempting bad refcount_add_not_zero() from saturated # [<4>[ 73.082009] CPU: 0 PID: 2473 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 73.097204] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 73.104153] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 73.110316] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 96 c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 73.131631] RSP: 0018:ffffabbe42d07e40 EFLAGS: 00010286 72.074299] ------------[ cut here ]------------ # [ 72.086<4>[ 73.137798] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 73.152276] RDX: ffff8a7bfbc2c660 RSI: ffff8a7bfbc1bf70 RDI: ffff8a7bfbc1bf70 <4>[ 73.160567] RBP: ffffffff96cb1de0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 73.168858] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 73.177147] R13: ffffabbe42d07f10 R14: ffffabbe42d07f10 R15: ffff8a7b84f3f000 <4>[ 73.185438] FS: 00007ffa82a51580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 <4>[ 73.194798] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 73.201535] CR2: 00007ffa8285a000 CR3: 0000000104f98000 CR4: 00000000003506f0 <4>[ 73.209824] Call Trace: 054] refcount_t: saturated; leaking memory. # [ 72.098175] WA<4>[ 73.212884] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 73.225571] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 73.232224] direct_entry.cold+0x2c/0x38 RNING: CPU: 3 PID: 2438 at lib/refcount.c:19 refcount_warn_satur<4>[ 73.236931] full_proxy_write+0x56/0x80 <4>[ 73.247717] vfs_write+0xea/0x3a0 ate+0x97/0x110 # [ 72.113850] Modules linked in: fuse ip_tabl<4>[ 73.251741] ksys_write+0x68/0xf0 es cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugf<4>[ 73.261950] do_syscall_64+0x33/0x40 s x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.1<4>[ 73.272490] entry_SYSCALL_64_after_hwframe+0x61/0xc6 36508] CPU: 3 PID: 2438 Comm: cat Tainted: G D W 5.<4>[ 73.284671] RIP: 0033:0x7ffa82967833 10.168-cip27 #1 # [ 72.151696] Hardware name: Google Coral/Co<4>[ 73.295180] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 73.322677] RSP: 002b:00007ffc81834f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ral, BIOS 09/29/2020 # [ 72.164757] RIP: 0010:refcount_warn_<4>[ 73.331461] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ffa82967833 saturate+0x97/0x110 # [ 72.177082] Code: 01 01 e8 3e f1 94 00<4>[ 73.345988] RDX: 0000000000000020 RSI: 00007ffa8285a000 RDI: 0000000000000001 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 <4>[ 73.360507] RBP: 00007ffa8285a000 R08: 00007ffa82859010 R09: 0000000000000000 <4>[ 73.374985] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 73.383274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c4 96 c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc<4>[ 73.391580] irq event stamp: 0 <4>[ 73.401524] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 73.408847] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 73.418304] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 73.427759] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 73.435078] ---[ end trace 822abe8605a7ddce ]--- <6>[ 73.440554] lkdtm: Saturation detected: still saturated 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 # [ 72.204502] RSP: 0018:ffffabbe42c97e38 EFLAGS: 00010282 # [ 72.217012] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 72.231447] RDX: ffff8a7bfbdac660 RSI: ffff8a7bfbd9bf70 RDI: ffff8a7bfbd9bf70 # [ 72.245933] RBP: ffffffff96cb1dc0 R08: 0000000000000000 R09: 0000000000000000 # [ 72.260439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 72.274921] R13: ffffabbe42c97f10 R14: ffffabbe42c97f10 R15: ffff8a7b84eeb000 # [ 72.289446] FS: 00007fc3a8540580(0000) GS:ffff8a7bfbd80000(0000) knlGS:0000000000000000 # [ 72.305003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.317933] CR2: 00007fc3a8349000 CR3: 0000000104f98000 CR4: 00000000003506e0 # [ 72.332419] Call Trace: # [ 72.341645] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 72.354232] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 72.367096] direct_entry.cold+0x2c/0x38 # [ 72.377965] full_proxy_write+0x56/0x80 # [ 72.388766] vfs_write+0xea/0x3a0 # [ 72.399030] ksys_write+0x68/0xf0 # [ 72.409217] do_syscall_64+0x33/0x40 # [ 72.419732] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.431963] RIP: 0033:0x7fc3a8456833 # [ 72.442457] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.469953] RSP: 002b:00007ffc1a8ae878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.484913] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc3a8456833 # [ 72.499432] RDX: 0000000000000020 RSI: 00007fc3a8349000 RDI: 0000000000000001 # [ 72.513913] RBP: 00007fc3a8349000 R08: 00007fc3a8348010 R09: 0000000000000000 # [ 72.528429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.542901] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.557443] irq event stamp: 0 # [ 72.567338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.580868] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 72.596560] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 72.612200] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.625752] ---[ end trace 822abe8605a7ddcd ]--- # [ 72.637415] 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 # [ 73.008511] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 73.018335] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 73.026167] ------------[ cut here ]------------ # [ 73.037852] refcount_t: underflow; use-after-free. # [ 73.043570] WARNING: CPU: 0 PID: 2473 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 73.059496] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.082009] CPU: 0 PID: 2473 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 73.097204] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.104153] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 73.110316] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c<6>[ 73.785292] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 73.796630] lkdtm: attempting bad refcount_sub_and_test() from saturated 4 96 c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc <4>[ 73.804457] ------------[ cut here ]------------ <4>[ 73.816114] refcount_t: underflow; use-after-free. 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 73.131631] R<4>[ 73.821835] WARNING: CPU: 0 PID: 2508 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 SP: 0018:ffffabbe42d07e40 EFLAGS: 00010286 # [ 73.137798] RAX<4>[ 73.837772] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 73.860281] CPU: 0 PID: 2508 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 73.869272] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 73.876209] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 73.882369] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 96 c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 73.903679] RSP: 0018:ffffabbe42d7fe40 EFLAGS: 00010286 <4>[ 73.909842] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 : 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 73.918139] RDX: ffff8a7bfbc2c660 RSI: ffff8a7bfbc1bf70 RDI: ffff8a7bfbc1bf70 <4>[ 73.932633] RBP: ffffffff96cb1e00 R08: 0000000000000000 R09: 0000000000000000 # [ 73.152276] RDX: ffff8a7bfbc2c660 RSI: ffff8a7bfbc1bf70 RDI<4>[ 73.940936] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 : ffff8a7bfbc1bf70 # [ 73.160567] RBP: ffffffff96cb1de0 R08: <4>[ 73.955423] R13: ffffabbe42d7ff10 R14: ffffabbe42d7ff10 R15: ffff8a7b8410d000 0000000000000000 R09: 0000000000000000 # [ 73.168858] R10: 00<4>[ 73.969967] FS: 00007f73a7441580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ <4>[ 73.985535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 73.998495] CR2: 00007f73a724a000 CR3: 0000000104294000 CR4: 00000000003506f0 <4>[ 74.006791] Call Trace: 73.177147] R13: ffffabbe42d07f10 R14: ffffabbe42d07f10 R15: ff<4>[ 74.009852] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 74.022531] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 ff8a7b84f3f000 # [ 73.185438] FS: 00007ffa82a51580(0000) GS:<4>[ 74.029182] direct_entry.cold+0x2c/0x38 <4>[ 74.040072] full_proxy_write+0x56/0x80 ffff8a7bfbc00000(0000) knlGS:0000000000000000 # [ 73.194798] <4>[ 74.044684] vfs_write+0xea/0x3a0 <4>[ 74.054878] ksys_write+0x68/0xf0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.2015<4>[ 74.058907] do_syscall_64+0x33/0x40 35] CR2: 00007ffa8285a000 CR3: 0000000104f98000 CR4: 00000000003<4>[ 74.069421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 506f0 # [ 73.209824] Call Trace: # [ 73.212884] __refcoun<4>[ 74.081587] RIP: 0033:0x7f73a7357833 <4>[ 74.092116] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 74.113420] RSP: 002b:00007ffed80d6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 74.122204] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f73a7357833 <4>[ 74.130499] RDX: 0000000000000020 RSI: 00007f73a724a000 RDI: 0000000000000001 <4>[ 74.138798] RBP: 00007f73a724a000 R08: 00007f73a7249010 R09: 0000000000000000 <4>[ 74.147090] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 74.155379] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 74.163688] irq event stamp: 0 <4>[ 74.167414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 74.174741] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 74.184199] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 74.193655] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.200974] ---[ end trace 822abe8605a7ddcf ]--- t_sub_and_test.constprop.0+0x3c/0x50 # [ 73.225571] lkdtm_RE<6>[ 74.206451] lkdtm: Saturation detected: still saturated FCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 73.232224] direct_entry.cold+0x2c/0x38 # [ 73.236931] full_proxy_write+0x56/0x80 # [ 73.247717] vfs_write+0xea/0x3a0 # [ 73.251741] ksys_write+0x68/0xf0 # [ 73.261950] do_syscall_64+0x33/0x40 # [ 73.272490] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.284671] RIP: 0033:0x7ffa82967833 # [ 73.295180] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.322677] RSP: 002b:00007ffc81834f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.331461] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ffa82967833 # [ 73.345988] RDX: 0000000000000020 RSI: 00007ffa8285a000 RDI: 0000000000000001 # [ 73.360507] RBP: 00007ffa8285a000 R08: 00007ffa82859010 R09: 0000000000000000 # [ 73.374985] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.383274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.391580] irq event stamp: 0 # [ 73.401524] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.408847] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 73.418304] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 73.427759] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.435078] ---[ end trace 822abe8605a7ddce ]--- # [ 73.440554] 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 # [ 73.785292] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 73.796630] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 73.804457] ------------[ cut here ]------------ # [ 73.816114] refcount_t: underflow; use-after-free. # [ 73.821835] WARNING: CPU: 0 PID: 2508 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 73.837772] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.860281] CPU: 0 PID: 2508 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 73.869272] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.876209] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 73.882369] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 96 c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 73.903679] RSP: 0018:ffffabbe42d7fe40 EFLAGS: 00010286 # [ 73.909842] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 73.918139] RDX: ffff8a7bfbc2c660 RSI: ffff8a7bfbc1bf70 RDI: ffff8a7bfbc1bf70 # [ 73.932633] RBP: ffffffff96cb1e00 R08: 0000000000000000 R09: 0000000000000000 # [ 73.940936] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 73.955423] R13: ffffabbe42d7ff10 R14: ffffabbe42d7ff10 R15: ffff8a7b8410d000 # [ 73.969967] FS: 00007f73a7441580(0000) GS:ffff8a7bfbc00000(0000) knlGS:0000000000000000 # [ 73.985535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.998495] CR2: 00007f73a724a000 CR3: 0000000104294000 CR4: 00000000003506f0 # [ 74.006791] Call Trace: # [ 74.009852] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 74.022531] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 74.029182] direct_entry.cold+0x2c/0x38 # [ 74.040072] full_proxy_write+0x56/0x80 # [ 74.044684] vfs_write+0xea/0x3a0 # [ 74.054878] ksys_write+0x68/0xf0 # [ 74.058907] do_syscall_64+0x33/0x40 # [ 74.069421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.081587] RIP: 0033:0x7f73a7357833 # [ 74.092116] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.113420] RSP: 002b:00007ffed80d6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.122204] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f73a7357833 # [ 74.130499] RDX: 0000000000000020 RSI: 00007f73a724a000 RDI: 0000000000000001 # [ 74.138798] RBP: 00007f73a724a000 R08: 00007f73a7249010 R09: 0000000000000000 # [ 74.147090] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.155379] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.163688] irq event stamp: 0 # [ 74.167414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.174741] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 74.184199] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 74.193655] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.200974] ---[ end trace 822abe8605a7ddcf ]--- # [ 74.206451] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh <6>[ 74.812615] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 74.819686] lkdtm: attempting good copy_to_user of correct size <6>[ 74.826686] lkdtm: attempting bad copy_to_user of too large size # [ 74.812615] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 74.819686] lkdtm: attempting good copy_to_user of correct size # [ 74.826686] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh <6>[ 75.125566] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 75.132820] lkdtm: attempting good copy_from_user of correct size <6>[ 75.139972] lkdtm: attempting bad copy_from_user of too large size # [ 75.125566] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 75.132820] lkdtm: attempting good copy_from_user of correct size # [ 75.139972] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh <6>[ 75.452051] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 75.459617] lkdtm: attempting good copy_to_user inside whitelist <6>[ 75.466697] lkdtm: attempting bad copy_to_user outside whitelist # [ 75.452051] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 75.459617] lkdtm: attempting good copy_to_user inside whitelist # [ 75.466697] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 75.780154] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 75.787921] lkdtm: attempting good copy_from_user inside whitelist <6>[ 75.795221] lkdtm: attempting bad copy_from_user outside whitelist # [ 75.780154] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 75.787921] lkdtm: attempting good copy_from_user inside whitelist # [ 75.795221] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh <6>[ 76.110690] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 76.117963] lkdtm: good_stack: ffffabbe430b7e20-ffffabbe430b7e40 <6>[ 76.125012] lkdtm: bad_stack : ffffabbe430b7da8-ffffabbe430b7dc8 <6>[ 76.132076] lkdtm: attempting good copy_to_user of local stack <6>[ 76.138931] lkdtm: attempting bad copy_to_user of distant stack # [ 76.110690] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 76.117963] lkdtm: good_stack: ffffabbe430b7e20-ffffabbe430b7e40 # [ 76.125012] lkdtm: bad_stack : ffffabbe430b7da8-ffffabbe430b7dc8 # [ 76.132076] lkdtm: attempting good copy_to_user of local stack # [ 76.138931] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh <6>[ 76.453732] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 76.461231] lkdtm: good_stack: ffffabbe4313fe20-ffffabbe4313fe40 <6>[ 76.468287] lkdtm: bad_stack : ffffabbe4313fda8-ffffabbe4313fdc8 <6>[ 76.475714] lkdtm: attempting good copy_from_user of local stack <6>[ 76.483169] lkdtm: attempting bad copy_from_user of distant stack # [ 76.453732] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 76.461231] lkdtm: good_stack: ffffabbe4313fe20-ffffabbe4313fe40 # [ 76.468287] lkdtm: bad_stack : ffffabbe4313fda8-ffffabbe4313fdc8 # [ 76.475714] lkdtm: attempting good copy_from_user of local stack # [ 76.483169] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 76.789161] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 76.796218] lkdtm: good_stack: ffffabbe431b7e20-ffffabbe431b7e40 <6>[ 76.803263] lkdtm: bad_stack : ffffabbe431b7ff8-ffffabbe431b8018 <6>[ 76.810338] lkdtm: attempting good copy_to_user of local stack <6>[ 76.817206] lkdtm: attempting bad copy_to_user of distant stack <4>[ 76.824180] lkdtm: copy_to_user failed, but lacked Oops # [ 76.789161] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 76.796218] lkdtm: good_stack: ffffabbe431b7e20-ffffabbe431b7e40 # [ 76.803263] lkdtm: bad_stack : ffffabbe431b7ff8-ffffabbe431b8018 # [ 76.810338] lkdtm: attempting good copy_to_user of local stack # [ 76.817206] lkdtm: attempting bad copy_to_user of distant stack # [ 76.824180] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 77.131960] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 77.138474] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff968d15b0 <6>[ 77.147465] lkdtm: attempting bad copy_to_user from kernel text: ffffffff954e3d60 <3>[ 77.156159] lkdtm: FAIL: survived bad copy_to_user() # [ 77.131960] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 77.138474] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff968d15b0 # [ 77.147465] lkdtm: attempting bad copy_to_user from kernel text: ffffffff954e3d60 # [ 77.156159] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 77.471175] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 77.477836] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 77.486073] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 77.494195] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 77.501241] CPU: 1 PID: 2873 Comm: cat Tainted: G D W 5.10.168-cip27 #1 <4>[ 77.510193] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 77.517101] Call Trace: <4>[ 77.520146] dump_stack+0x77/0x9b <4>[ 77.524150] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 77.529606] direct_entry.cold+0x2c/0x38 <4>[ 77.534289] full_proxy_write+0x56/0x80 <4>[ 77.538876] vfs_write+0xea/0x3a0 <4>[ 77.542876] ksys_write+0x68/0xf0 <4>[ 77.546881] do_syscall_64+0x33/0x40 <4>[ 77.551173] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 77.557117] RIP: 0033:0x7fe4966b4833 <4>[ 77.561409] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 77.582705] RSP: 002b:00007ffc250776d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 77.591468] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe4966b4833 <4>[ 77.599739] RDX: 0000000000000012 RSI: 00007fe4965a7000 RDI: 0000000000000001 <4>[ 77.608007] RBP: 00007fe4965a7000 R08: 00007fe4965a6010 R09: 0000000000000000 <4>[ 77.616274] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 77.624544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.471175] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 77.477836] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 77.486073] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 77.494195] lkdtm: FAIL: the thread stack is NOT properly erased # [ 77.501241] CPU: 1 PID: 2873 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 77.510193] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.517101] Call Trace: # [ 77.520146] dump_stack+0x77/0x9b # [ 77.524150] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 77.529606] direct_entry.cold+0x2c/0x38 # [ 77.534289] full_proxy_write+0x56/0x80 # [ 77.538876] vfs_write+0xea/0x3a0 # [ 77.542876] ksys_write+0x68/0xf0 # [ 77.546881] do_syscall_64+0x33/0x40 # [ 77.551173] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.557117] RIP: 0033:0x7fe4966b4833 # [ 77.561409] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.582705] RSP: 002b:00007ffc250776d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.591468] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe4966b4833 # [ 77.599739] RDX: 0000000000000012 RSI: 00007fe4965a7000 RDI: 0000000000000001 # [ 77.608007] RBP: 00007fe4965a7000 R08: 00007fe4965a6010 R09: 0000000000000000 # [ 77.616274] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.624544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh <6>[ 77.956513] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 77.963172] lkdtm: Calling matched prototype ... <6>[ 77.968693] lkdtm: Calling mismatched prototype ... <6>[ 77.974473] lkdtm: Fail: survived mismatched prototype function call! # [ 77.956513] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 77.963172] lkdtm: Calling matched prototype ... # [ 77.968693] lkdtm: Calling mismatched prototype ... # [ 77.974473] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #