[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 440000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 40775 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 32 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269677 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 4873 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 52971 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 14119 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 10019 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 14115 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 18215 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 18211 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 14120 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11290 usecs scan_bus: scanning of bus DOMAIN: 0000 took 393131 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 413186 usecs done FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'. MRC: cache data 'RW_VAR_MRC_CACHE' needs update. FMAP: area RW_ELOG found @ 421000 (12288 bytes) ELOG: NV offset 0x421000 size 0x3000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-06-24 15:46:59 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-06-24 15:46:59 UTC ELOG: Event(A6) added with size 13 at 2022-06-24 15:46:59 UTC ELOG: Event(AA) added with size 11 at 2022-06-24 15:46:59 UTC FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 703931 exit 102687 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 2961863 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 170 run 112835 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2143 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6. done. AP: slot 2 apic_id 4. 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 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afff400 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: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #2 initialized CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 469643 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2244 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2241 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2242 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2244 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2242 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 27449 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2239 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2243 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2240 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2239 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2233 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6137 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6134 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6137 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6131 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6137 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6137 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2239 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2239 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3567 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2239 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2337 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 42258 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 5003 run 883966 exit 883 ELOG: Event(A1) added with size 10 at 2022-06-24 15:47:03 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-06-24 15:47:03 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 42a000 (20480 bytes) BS: BS_POST_DEVICE times (us): entry 24988 run 3954 exit 5283 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 04 (unknown) APIC: 02 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5cc bytes, checksum 991a coreboot table: 1508 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 GNVS PTR 8. 7affe980 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 815069 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 172 run 108385 exit 34019 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 6677558/tftp-deploy-ksmrteez/kernel/bzImage 6677558/tftp-deploy-ksmrteez/kernel/cmdline 6677558/tftp-deploy-ksmrteez/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6677558/tftp-deploy-ksmrteez/kernel/bzImoy-ksmrteez/kernel/cmdline 6677558/tftp-deploy-ksmrteez/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6677558/tftp-deploy-ksmrteez/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ done. The bootfile was 13099552 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: 6677558/tftp-deploy-ksmrteez/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6677558/extract-nfsrootfs-nu4qnc6h,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: 21418666 Starting kernel ... [ 0.000000] Linux version 5.10.124-cip9 (KernelCI@build-j257788-x86-64-gcc-10-x86-64-defconfig-x86-chromeboo2hdhf) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Jun 24 15:37:56 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6677558/extract-nfsrootfs-nu4qnc6h,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 [ 0.000000] tsc: Detected 1094.400 MHz processor [ 0.000055] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000301] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001126] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.004925] check: Scanning 1 areas for low memory corruption [ 0.004938] Using GB pages for direct mapping [ 0.005558] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.005566] ACPI: Early table checksum verification disabled [ 0.005574] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005584] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005598] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005611] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005621] ACPI: FACS 0x000000007AB10240 000040 [ 0.005630] ACPI: FACS 0x000000007AB10240 000040 [ 0.005639] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005649] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005658] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005668] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005677] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005687] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005696] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005700] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005704] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005708] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005712] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005716] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005719] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005723] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005727] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005731] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.005850] No NUMA configuration found [ 0.005855] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.005863] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] [ 0.005907] Zone ranges: [ 0.005912] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.005918] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.005924] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.005930] Movable zone start for each node [ 0.005933] Early memory node ranges [ 0.005937] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.005942] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.005945] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.005949] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.005955] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.005985] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006037] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012753] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020218] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020249] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020549] ACPI: PM-Timer IO Port: 0x408 [ 0.020625] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020640] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020646] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020658] Using ACPI (MADT) for SMP configuration information [ 0.020663] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020674] TSC deadline timer available [ 0.020680] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020710] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020716] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020721] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020726] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020729] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020733] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020737] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020740] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020744] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020748] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020751] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020755] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020762] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020771] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029014] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.029640] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.029734] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.029743] Policy zone: Normal [ 0.029764] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6677558/extract-nfsrootfs-nu4qnc6h,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.030720] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031165] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031232] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064327] Memory: 3875248K/4071724K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196216K reserved, 0K cma-reserved) [ 0.064478] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.064535] Kernel/User page tables isolation: enabled [ 0.064610] ftrace: allocating 52716 entries in 206 pages [ 0.087562] ftrace: allocated 206 pages with 5 groups [ 0.087902] Running RCU self tests [ 0.087920] rcu: Hierarchical RCU implementation. [ 0.087924] rcu: RCU event tracing is enabled. [ 0.087928] rcu: RCU lockdep checking is enabled. [ 0.087932] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.087936] Rude variant of Tasks RCU enabled. [ 0.087939] Tracing variant of Tasks RCU enabled. [ 0.087944] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.087948] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.096015] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.096450] random: crng init done [ 0.096564] Console: colour dummy device 80x25 [ 0.165768] printk: console [ttyS2] enabled [ 0.166134] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.166778] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.167127] ... MAX_LOCK_DEPTH: 48 [ 0.167490] ... MAX_LOCKDEP_KEYS: 8192 [ 0.167860] ... CLASSHASH_SIZE: 4096 [ 0.168237] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.168615] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.168999] ... CHAINHASH_SIZE: 32768 [ 0.169387] memory used by lock dependency info: 6365 kB [ 0.169841] memory used for stack traces: 4224 kB [ 0.170254] per task-struct memory footprint: 1920 bytes [ 0.170776] ACPI: Core revision 20200925 [ 0.171399] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.172243] APIC: Switch to symmetric I/O mode setup [ 0.177263] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.182233] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.183128] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.184116] pid_max: default: 32768 minimum: 301 [ 0.185190] LSM: Security Framework initializing [ 0.185619] SELinux: Initializing. [ 0.186165] LSM support for eBPF active [ 0.186545] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.187129] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.189076] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.189223] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.190114] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.190621] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.191117] Spectre V2 : Mitigation: Retpolines [ 0.191503] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.192114] Speculative Store Bypass: Vulnerable [ 0.193296] Freeing SMP alternatives memory: 44K [ 0.195435] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.197004] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.197127] ... version: 4 [ 0.197476] ... bit width: 48 [ 0.197826] ... generic registers: 4 [ 0.198117] ... value mask: 0000ffffffffffff [ 0.198572] ... max period: 00007fffffffffff [ 0.199030] ... fixed-purpose events: 3 [ 0.199117] ... event mask: 000000070000000f [ 0.200052] rcu: Hierarchical SRCU implementation. [ 0.201951] smp: Bringing up secondary CPUs ... [ 0.202949] x86: Booting SMP configuration: [ 0.203132] .... node #0, CPUs: #1 #2 #3 [ 0.206260] smp: Brought up 1 node, 4 CPUs [ 0.207123] smpboot: Max logical packages: 1 [ 0.207496] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.209493] devtmpfs: initialized [ 0.209783] x86/mm: Memory block size: 128MB [ 0.215214] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.216135] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.217232] pinctrl core: initialized pinctrl subsystem [ 0.218051] PM: RTC time: 15:47:19, date: 2022-06-24 [ 0.218663] NET: Registered protocol family 16 [ 0.219798] audit: initializing netlink subsys (disabled) [ 0.220195] audit: type=2000 audit(1656085639.042:1): state=initialized audit_enabled=0 res=1 [ 0.220901] thermal_sys: Registered thermal governor 'step_wise' [ 0.220922] thermal_sys: Registered thermal governor 'user_space' [ 0.221224] cpuidle: using governor menu [ 0.222343] ACPI: bus type PCI registered [ 0.223311] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.224100] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.224169] PCI: Using configuration type 1 for base access [ 0.249142] Kprobes globally optimized [ 0.249522] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.250125] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.250883] cryptomgr_test (40) used greatest stack depth: 14880 bytes left [ 0.254475] ACPI: Added _OSI(Module Device) [ 0.254844] ACPI: Added _OSI(Processor Device) [ 0.255132] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.255536] ACPI: Added _OSI(Processor Aggregator Device) [ 0.256003] ACPI: Added _OSI(Linux-Dell-Video) [ 0.256133] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.256585] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.266005] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.272596] ACPI: EC: EC started [ 0.272901] ACPI: EC: interrupt blocked [ 0.273774] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.274122] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.274752] ACPI: Interpreter enabled [ 0.275134] ACPI: (supports S0 S3 S5) [ 0.275457] ACPI: Using IOAPIC for interrupt routing [ 0.275942] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.276987] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.281204] ACPI: Power Resource [PXP] (on) [ 0.304175] ACPI: Power Resource [PRIC] (on) [ 0.330647] ACPI: Power Resource [PRIC] (on) [ 0.400738] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.402130] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.403195] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.404567] PCI host bridge to bus 0000:00 [ 0.404929] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.405120] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.405698] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.406119] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.406752] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.407120] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.407668] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.410036] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.410156] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.411421] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.411951] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.412133] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.412726] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.414601] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.415134] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.415728] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.416126] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.417122] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.417655] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.418698] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.419155] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.419784] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.420246] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.421475] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.422032] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.423288] pci 0000:00:0f.0: PME# supported from D3hot [ 0.424266] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.425004] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.425811] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.426154] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.426889] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.428787] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.429156] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.429760] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.430792] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.431157] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.431757] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.432785] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.434157] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.434762] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.435780] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.436162] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.436757] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.437812] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.438157] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.438758] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.440784] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.441156] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.441757] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.442818] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.443155] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.443759] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.444782] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.446156] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.446758] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.447782] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.448164] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.448758] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.449821] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.450157] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.450761] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.452824] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.453150] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.453747] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.454757] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.455149] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.455747] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.456915] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.458995] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.459188] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.459855] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.461370] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.462084] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.463662] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.464316] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.466265] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.468684] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.469128] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.477095] ACPI: EC: interrupt unblocked [ 0.478119] ACPI: EC: event unblocked [ 0.478478] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.478913] ACPI: EC: GPE=0x2b [ 0.479122] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.479721] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.481142] iommu: Default domain type: Translated [ 0.481330] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.481740] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.483146] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.483640] vgaarb: loaded [ 0.484468] SCSI subsystem initialized [ 0.485221] ACPI: bus type USB registered [ 0.485695] usbcore: registered new interface driver usbfs [ 0.486178] usbcore: registered new interface driver hub [ 0.486678] usbcore: registered new device driver usb [ 0.487254] pps_core: LinuxPPS API ver. 1 registered [ 0.487685] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.488130] PTP clock support registered [ 0.489398] Advanced Linux Sound Architecture Driver Initialized. [ 0.490645] NetLabel: Initializing [ 0.490945] NetLabel: domain hash size = 128 [ 0.491118] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.491662] NetLabel: unlabeled traffic allowed by default [ 0.492234] PCI: Using ACPI for IRQ routing [ 0.523651] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.524207] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.524757] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.529227] clocksource: Switched to clocksource tsc-early [ 0.951437] VFS: Disk quotas dquot_6.6.0 [ 0.951827] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.952813] pnp: PnP ACPI init [ 0.953910] system 00:00: [io 0x0900-0x09fe] has been reserved [ 0.954712] system 00:01: [io 0x0200] has been reserved [ 0.955189] system 00:01: [io 0x0204] has been reserved [ 0.955641] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.956161] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.959163] pnp: PnP ACPI: found 3 devices [ 0.974423] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.975302] NET: Registered protocol family 2 [ 0.975879] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.977994] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.978987] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.979922] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.982513] TCP: Hash tables configured (established 32768 bind 32768) [ 0.983586] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.984553] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.985428] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.986509] NET: Registered protocol family 1 [ 0.987731] RPC: Registered named UNIX socket transport module. [ 0.988288] RPC: Registered udp transport module. [ 0.988699] RPC: Registered tcp transport module. [ 0.989099] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.990232] NET: Registered protocol family 44 [ 0.990650] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.991094] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.991702] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.992235] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 0.992765] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.993427] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 0.994012] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 0.994612] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 0.995412] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.998862] PCI: CLS 64 bytes, default 64 [ 0.999631] Unpacking initramfs... [ 1.221891] Freeing initrd memory: 8312K [ 1.222285] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.222836] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.223804] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.224506] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.224993] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.225564] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.226027] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.227800] kvm: already loaded the other module [ 1.228235] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.229128] clocksource: Switched to clocksource tsc [ 1.229659] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.232700] check: Scanning for low memory corruption every 60 seconds [ 1.235840] Initialise system trusted keyrings [ 1.236560] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.255333] NFS: Registering the id_resolver key type [ 1.255816] Key type id_resolver registered [ 1.256217] Key type id_legacy registered [ 1.267987] Key type asymmetric registered [ 1.268405] Asymmetric key parser 'x509' registered [ 1.268895] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.269555] io scheduler mq-deadline registered [ 1.269949] io scheduler kyber registered [ 1.270566] test_firmware: interface ready [ 1.271747] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.273511] ACPI: AC Adapter [AC] (on-line) [ 1.274229] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.275772] ACPI: Lid Switch [LID0] [ 1.276292] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.277175] ACPI: Power Button [PWRB] [ 1.277684] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.278591] ACPI: Sleep Button [SLP] [ 1.279103] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.279942] ACPI: Power Button [PWRF] [ 1.280525] ACPI: \_PR_.CP00: Found 3 idle states [ 1.281676] ACPI: \_PR_.CP01: Found 3 idle states [ 1.282558] ACPI: \_PR_.CP02: Found 3 idle states [ 1.283441] ACPI: \_PR_.CP03: Found 3 idle states [ 1.285340] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.288486] Non-volatile memory driver v1.3 [ 1.288624] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.289032] Linux agpgart interface v0.103 [ 1.292935] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.347918] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xb934 [ 1.348717] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.349440] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.350746] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.351634] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.352624] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.396845] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.400441] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.416445] loop: module loaded [ 1.417444] lkdtm: No crash points registered, enable through debugfs [ 1.469924] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.473654] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.476851] printk: console [ttyS2] disabled [ 1.477531] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.350732] printk: console [ttyS2] enabled [ 4.350855] fbcon: i915drmfb (fb0) is primary device [ 4.353156] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.360606] e100: Intel(R) PRO/100 Network Driver [ 4.360610] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.360663] e1000: Intel(R) PRO/1000 Network Driver [ 4.360666] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.360735] e1000e: Intel(R) PRO/1000 Network Driver [ 4.360737] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.360813] sky2: driver version 1.30 [ 4.361090] usbcore: registered new interface driver r8152 [ 4.361671] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.361690] ehci-pci: EHCI PCI platform driver [ 4.361754] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.361769] ohci-pci: OHCI PCI platform driver [ 4.361822] uhci_hcd: USB Universal Host Controller Interface driver [ 4.363325] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.364277] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.365526] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.365574] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.367142] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.367157] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.367161] usb usb1: Product: xHCI Host Controller [ 4.367164] usb usb1: Manufacturer: Linux 5.10.124-cip9 xhci-hcd [ 4.367166] usb usb1: SerialNumber: 0000:00:15.0 [ 4.368702] hub 1-0:1.0: USB hub found [ 4.368808] hub 1-0:1.0: 8 ports detected [ 4.370739] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.371420] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.371442] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.371806] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.371813] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.371816] usb usb2: Product: xHCI Host Controller [ 4.371818] usb usb2: Manufacturer: Linux 5.10.124-cip9 xhci-hcd [ 4.371821] usb usb2: SerialNumber: 0000:00:15.0 [ 4.373309] hub 2-0:1.0: USB hub found [ 4.373384] hub 2-0:1.0: 7 ports detected [ 4.375084] usbcore: registered new interface driver usblp [ 4.375156] usbcore: registered new interface driver usb-storage [ 4.375539] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.375644] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.375647] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.376237] i8042: Warning: Keylock active [ 4.376484] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.379366] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.381258] Console: switching to colour frame buffer device 240x67 [ 4.381464] rtc_cmos rtc_cmos: registered as rtc0 [ 4.381835] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.382373] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.383679] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.383682] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.383716] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.383778] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.383799] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.383802] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.384709] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.384753] intel_pstate: Intel P-state driver initializing [ 4.387607] sdhci: Secure Digital Host Controller Interface driver [ 4.387615] sdhci: Copyright(c) Pierre Ossman [ 4.387823] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.396184] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.403006] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.404038] hid: raw HID events driver (C) Jiri Kosina [ 4.406700] usbcore: registered new interface driver usbhid [ 4.406706] usbhid: USB HID core driver [ 4.408920] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.416366] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.421597] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.432911] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.525936] mmc0: new HS400 MMC card at address 0001 [ 4.539332] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.542628] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 4.550714] gre: GRE over IPv4 demultiplexor driver [ 4.557681] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 4.562604] ip_gre: GRE over IPv4 tunneling driver [ 4.569894] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 4.579002] IPv4 over IPsec tunneling driver [ 4.584433] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 4.590772] Initializing XFRM netlink socket [ 4.621701] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 4.625416] NET: Registered protocol family 10 [ 4.954988] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 4.959757] Segment Routing with IPv6 [ 4.970379] ip6_gre: GRE over IPv6 tunneling driver [ 4.977689] NET: Registered protocol family 17 [ 4.983460] Key type dns_resolver registered [ 4.991709] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 4.997990] microcode: Microcode Update Driver: v2.2. [ 4.998017] IPI shorthand broadcast: enabled [ 5.008704] sched_clock: Marking stable (4926827109, 81721639)->(5016847769, -8299021) [ 5.018726] registered taskstats version 1 [ 5.023404] Loading compiled-in X.509 certificates [ 5.046243] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.065291] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.082880] PM: Magic number: 10:630:791 [ 5.088541] printk: console [netcon0] enabled [ 5.093528] netconsole: network logging started [ 5.103387] IP-Config: Failed to open gretap0 [ 5.108640] IP-Config: Failed to open erspan0 [ 5.113650] IP-Config: No network devices available [ 5.119400] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.130762] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.140177] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.146666] modprobe (99) used greatest stack depth: 14120 bytes left [ 5.148230] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.148252] usb 1-5: Manufacturer: Quanta [ 5.148260] usb 1-5: SerialNumber: 0x0001 [ 5.162340] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.178707] ALSA device list: [ 5.178881] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.182142] No soundcards found. [ 5.182530] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.192101] cfg80211: failed to load regulatory.db [ 5.211355] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 5.231314] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.242169] Freeing unused kernel image (initmem) memory: 1688K [ 5.254247] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.263581] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.263596] Write protecting the kernel read-only data: 26624k [ 5.271636] usb 2-5: Product: USB 10/100/1000 LAN [ 5.271649] usb 2-5: Manufacturer: Realtek [ 5.288166] usb 2-5: SerialNumber: 001000001 [ 5.296381] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.301410] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.312430] Freeing unused kernel image (rodata/data gap) memory: 152K [ 5.320059] Run /init as init process Loading, please wait... [ 5.368226] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.394517] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.422757] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up Starting version 247.3-7 [ 5.433442] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 5.508353] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.517616] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.535863] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.626074] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.657949] r8152 2-5:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.668034] r8152 2-5:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.714526] r8152 2-5:1.0 eth0: v1.11.11 [ 5.720640] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.759409] udevadm (125) used greatest stack depth: 13608 bytes left [ 5.803615] r8152 2-5:1.0 enx00e04c7501bd: renamed from eth0 [ 6.657803] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.669913] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 6.785985] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.030434] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 7.050352] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: enx00e04c7501bd hardware address 00:e0:4c:75:01:bd mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address [ 7.416993] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c7501bd: link becomes ready [ 7.426874] r8152 2-5:1.0 enx00e04c7501bd: carrier on IP-Config: no response after 2 secs - giving up IP-Config: enx00e04c7501bd hardware address 00:e0:4c:75:01:bd mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c7501bd complete (dhcp from 192.168.201.1): address: 192.168.201.17 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C523NA-A20057-coral-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.919802] nfsmount (161) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 11.649708] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 11.690100] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 11.733982] systemd[1]: Set hostname to . [ 13.264388] systemd[1]: Queued start job for default target Graphical Interface. [ 13.282957] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 13.301799] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 13.320783] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 13.339720] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 13.358270] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 13.378820] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 13.401346] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 13.424993] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 13.441962] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 13.453858] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 13.470852] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 13.482884] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 13.496074] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 13.517451] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 13.537455] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 13.555963] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 13.572037] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 13.596478] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 13.614521] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 13.639205] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 13.662617] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 13.685698] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 13.707761] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 13.735863] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 13.765084] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 13.791652] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 13.813739] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 13.833269] mount (189) used greatest stack depth: 12528 bytes left [ 13.838631] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.868509] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 13.905514] fuse: init (API version 7.32) [ 13.915398] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 13.935987] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 13.964366] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 14.015944] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 14.034508] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 14.064645] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 14.083473] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 14.118235] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 14.147385] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.157218] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 14.179488] systemd[1]: modprobe@drm.service: Succeeded. [ 14.189106] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 14.209713] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.219539] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 14.240816] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 14.260690] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 14.287252] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 14.310977] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 14.340089] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.350841] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.368681] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 14.388713] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 14.410763] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 14.431733] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 14.452457] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 14.483616] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 14.512637] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 14.544475] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 14.684516] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 14.707549] systemd[1]: Starting Create Static Device Nodes in /dev... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 14.797943] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. [ 14.930373] systemd-journald[198]: Received client request to flush runtime journal. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Found device [0;1;39mCeleron N3350…3900 Series HSUART Controller[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mNetwork Name Resolution[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS2[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.124-cip9 #1 SMP Fri Jun 24 15:37:56 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6677558/extract-nfsrootfs-nu4qnc6h' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6677558/extract-nfsrootfs-nu4qnc6h' / # 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-6677558/environment . /lava-6677558/environment / # /lava-6677558/bin/lava-test-runner /lava-6677558/0 /lava-6677558/bin/lava-test-runner /lava-6677558/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6677558/0/tests/0_timesync-off ++ cat uuid + UUID=6677558_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6677558/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6677558_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.121-cip9-272-g3fb28d4c623b/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6677558/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-06-24 15:48:06-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.121-cip9-272-g3fb28d4c623b/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: 3498592 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 173KB/s kselftest.tar.xz 6%[> ] 219.84K 378KB/s kselftest.tar.xz 23%[===> ] 817.99K 764KB/s kselftest.tar.xz 67%[============> ] 2.24M 1.70MB/s kselftest.tar.xz 100%[===================>] 3.34M 2.21MB/s in 1.5s 2022-06-24 15:48:08 (2.21 MB/s) - 'kselftest.tar.xz' saved [3498592/3498592] 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 ======================================== [ 64.762401] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 65.427552] lkdtm: Performing direct entry BUG [ 65.432908] ------------[ cut here ]------------ [ 65.438203] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 65.444933] invalid opcode: 0000 [#1] SMP PTI [ 65.449829] CPU: 3 PID: 723 Comm: cat Not tainted 5.10.124-cip9 #1 [ 65.456764] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.463411] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.467817] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 65.488885] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 65.494750] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.502758] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 65.510763] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 65.518764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.526769] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 65.534775] FS: 00007f503f234580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 65.543853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.550299] CR2: 00007f503f04d000 CR3: 0000000105c08000 CR4: 00000000003506e0 [ 65.558301] Call Trace: [ 65.561052] direct_entry.cold+0x2c/0x38 [ 65.565457] full_proxy_write+0x56/0x80 [ 65.569764] vfs_write+0xea/0x390 [ 65.573485] ksys_write+0x68/0xe0 [ 65.577210] do_syscall_64+0x33/0x40 [ 65.581225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.586892] RIP: 0033:0x7f503f15cf33 [ 65.590905] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.611964] RSP: 002b:00007ffe73393238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.620463] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f503f15cf33 [ 65.628465] RDX: 0000000000000004 RSI: 00007f503f04d000 RDI: 0000000000000001 [ 65.636466] RBP: 00007f503f04d000 R08: 00007f503f04c010 R09: 0000000000000000 [ 65.644467] R10: 00007f503f2571c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.652468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.660479] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.676606] ---[ end trace 1c30a07334de3577 ]--- [ 65.681828] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.686635] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 65.707750] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 65.713785] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.721876] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 65.730022] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 65.738217] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.746310] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 65.754433] FS: 00007f503f234580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 65.763607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.770156] CR2: 00007f503f04d000 CR3: 0000000105c08000 CR4: 00000000003506e0 # Segmentation fault # [ 65.427552] lkdtm: Performing direct entry BUG # [ 65.432908] ------------[ cut here ]------------ # [ 65.438203] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 65.444933] invalid opcode: 0000 [#1] SMP PTI # [ 65.449829] CPU: 3 PID: 723 Comm: cat Not tainted 5.10.124-cip9 #1 # [ 65.456764] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.463411] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.467817] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 65.488885] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 65.494750] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.502758] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 65.510763] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 65.518764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.526769] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 65.534775] FS: 00007f503f234580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 65.543853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.550299] CR2: 00007f503f04d000 CR3: 0000000105c08000 CR4: 00000000003506e0 # [ 65.558301] Call Trace: # [ 65.561052] direct_entry.cold+0x2c/0x38 # [ 65.565457] full_proxy_write+0x56/0x80 # [ 65.569764] vfs_write+0xea/0x390 # [ 65.573485] ksys_write+0x68/0xe0 # [ 65.577210] do_syscall_64+0x33/0x40 # [ 65.581225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.586892] RIP: 0033:0x7f503f15cf33 # [ 65.590905] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.611964] RSP: 002b:00007ffe73393238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.620463] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f503f15cf33 # [ 65.628465] RDX: 0000000000000004 RSI: 00007f503f04d000 RDI: 0000000000000001 # [ 65.636466] RBP: 000[ 66.052676] lkdtm: Performing direct entry WARNING 07f503f04d000 R08: 00007f503f04c010 R09: 0000000000000000 # [ [ 66.059548] ------------[ cut here ]------------ [ 66.070999] WARNING: CPU: 2 PID: 759 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 65.644467] R10: 00007f503f2571c0 R11: 0000000000000246 R12: 000[ 66.080404] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.102650] CPU: 2 PID: 759 Comm: cat Tainted: G D 5.10.124-cip9 #1 [ 66.111150] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.117820] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 66.122680] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 0000000000001 # [ 65.652468] R13: 0000000000000001 R14: 00000[ 66.143777] RSP: 0018:ffffb680413b7e60 EFLAGS: 00010202 [ 66.155839] RAX: ffffffffa44b2140 RBX: 0000000000000002 RCX: 0000000000000000 [ 66.163864] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffffffffa50d9a80 [ 66.171891] RBP: ffffffffa54c009f R08: 0000000000000000 R09: 0000000000000000 [ 66.179910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 66.187924] R13: ffffb680413b7f10 R14: ffffb680413b7f10 R15: ffff90a7834cb000 [ 66.195939] FS: 00007f24afdb8580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 66.205028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000020000 R15: 0000000000020000 # [ 65.660479] Modules link[ 66.211489] CR2: 00007f24afbd1000 CR3: 00000001032c6000 CR4: 00000000003506e0 [ 66.225724] Call Trace: [ 66.228502] direct_entry.cold+0x2c/0x38 [ 66.232937] full_proxy_write+0x56/0x80 ed in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_c[ 66.237267] vfs_write+0xea/0x390 [ 66.247246] ksys_write+0x68/0xe0 [ 66.250995] do_syscall_64+0x33/0x40 [ 66.255031] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.260724] RIP: 0033:0x7f24afce0f33 [ 66.264750] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.285808] RSP: 002b:00007ffc29dd4328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.294322] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f24afce0f33 [ 66.302346] RDX: 0000000000000008 RSI: 00007f24afbd1000 RDI: 0000000000000001 [ 66.310358] RBP: 00007f24afbd1000 R08: 00007f24afbd0010 R09: 0000000000000000 [ 66.318366] R10: 00007f24afddb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.326379] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.334399] irq event stamp: 0 [ 66.337844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 66.344903] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.360278] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.369467] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.376511] ---[ end trace 1c30a07334de3578 ]--- _notify # [ 65.676606] ---[ end trace 1c30a07334de3577 ]--- # [ 65.681828] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.686635] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 65.707750] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 65.713785] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.721876] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 65.730022] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 65.738217] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.746310] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 65.754433] FS: 00007f503f234580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 65.763607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.770156] CR2: 00007f503f04d000 CR3: 0000000105c08000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 66.052676] lkdtm: Performing direct entry WARNING # [ 66.059548] ------------[ cut here ]------------ # [ 66.070999] WARNING: CPU: 2 PID: 759 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 66.080404] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.102650] CPU: 2 PID: 759 Comm: cat Tainted: G D 5.10.124-cip9 #1 # [ 66.111150] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.117820] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 66.122680] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 66.143777] RSP: 0018:ffffb680413b7e60 EFLAGS: 00010202 # [ 66.155839] RAX: ffffffffa44b2140 RBX: 0000000000000002 RCX: 0000000000000000 # [ 66.163864] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffffffffa50d9a80 # [ 66.171891] RBP: ffffffffa54c009f R08: 0000000000000000 R09: 0000000000000000 # [ 66.179910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 66.187924] R13: ffffb680413b7f10 R14: ffffb680413b7f10 R15: ffff90a7834cb000 # [ 66.195939] FS: 00007f24afdb8580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 66.205028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.211489] CR2: [ 66.635624] lkdtm: Performing direct entry WARNING_MESSAGE [ 66.643532] ------------[ cut here ]------------ [ 66.648743] Warning message trigger count: 2 00007f24afbd1000 CR3: 00000001032c6000 CR4: 00000000003506e0 # [ 66.653618] WARNING: CPU: 1 PID: 794 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 66.670139] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.686205] CPU: 1 PID: 794 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 66.694721] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.701403] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 66.707099] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 13 70 02 48 c7 c7 00 06 4c a5 8d 70 01 89 35 b1 13 70 02 e8 dc b2 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 [ 66.728192] RSP: 0018:ffffb68041447e60 EFLAGS: 00010286 [ 66.734079] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 66.742106] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 [ 66.750135] RBP: ffffffffa54c00a7 R08: 0000000000000000 R09: 0000000000000000 [ 66.758173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 66.766206] R13: ffffb68041447f10 R14: ffffb68041447f10 R15: ffff90a784d24000 [ 66.225724] Call Trace: # [ 66.228502] direct_entry.cold+[ 66.774234] FS: 00007f593afeb580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 66.789562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.796033] CR2: 00007f593ae04000 CR3: 000000010411c000 CR4: 00000000003506e0 [ 66.804061] Call Trace: [ 66.806837] direct_entry.cold+0x2c/0x38 0x2c/0x38 # [ 66.232937] full_proxy_write+0x56/0x80 # [ 6[ 66.811271] full_proxy_write+0x56/0x80 [ 66.821832] vfs_write+0xea/0x390 [ 66.825580] ksys_write+0x68/0xe0 [ 66.829336] do_syscall_64+0x33/0x40 6.237267] vfs_write+0xea/0x390 # [ 66.247246] ksys_write+0x[ 66.833378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.845282] RIP: 0033:0x7f593af13f33 [ 66.849320] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.870408] RSP: 002b:00007ffc52eab2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.878930] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f593af13f33 [ 66.886966] RDX: 0000000000000010 RSI: 00007f593ae04000 RDI: 0000000000000001 [ 66.895001] RBP: 00007f593ae04000 R08: 00007f593ae03010 R09: 0000000000000000 [ 66.903029] R10: 00007f593b00e1c0 R11: 0000000000000246 R12: 0000000000000001 68/0xe0 # [ 66.250995] do_syscall_64+0x33/0x40 # [ 66.255[ 66.911045] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.925308] irq event stamp: 0 031] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.260724][ 66.928753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.942049] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.951252] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.960459] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.967509] ---[ end trace 1c30a07334de3579 ]--- RIP: 0033:0x7f24afce0f33 # [ 66.264750] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.285808] RSP: 002b:00007ffc29dd4328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.294322] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f24afce0f33 # [ 66.302346] RDX: 0000000000000008 RSI: 00007f24afbd1000 RDI: 0000000000000001 # [ 66.310358] RBP: 00007f24afbd1000 R08: 00007f24afbd0010 R09: 0000000000000000 # [ 66.318366] R10: 00007f24afddb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.326379] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.334399] irq event stamp: 0 # [ 66.337844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.344903] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.360278] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.369467] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.376511] ---[ end trace 1c30a07334de3578 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 66.635624] lkdtm: Performing direct entry WARNING_MESSAGE # [ 66.643532] ------------[ cut here ]------------ # [ 66.648743] Warning message trigger count: 2 # [ 66.653618] WARNING: CPU: 1 PID: 794 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.670139] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.686205] CPU: 1 PID: 794 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 66.694721] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.701403] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.707099] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 13 70 02 48 c7 c7 00 06 4c a5 8d 70 01 89 35 b1 13 70 02 e8 dc b2 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 66.728192] RSP: 0018:ffffb68041447e60 EFLAGS: 00010286 # [ 66.734079] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 66.742106] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 # [ 66.750135] RBP: ffffffffa54c00a7 R08: 0000000000000000 R09: 0000000000000000 # [ 66.[ 67.211182] lkdtm: Performing direct entry EXCEPTION [ 67.221571] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 67.229382] #PF: supervisor write access in kernel mode [ 67.235243] #PF: error_code(0x0002) - not-present page [ 67.241006] PGD 0 P4D 0 [ 67.243853] Oops: 0002 [#2] SMP PTI [ 67.247754] CPU: 2 PID: 826 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 67.256242] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.262890] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 67.267870] Code: 48 c7 c7 00 06 4c a5 8d 70 01 89 35 b1 13 70 02 e8 dc b2 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 67.288929] RSP: 0018:ffffb680414bfe60 EFLAGS: 00010286 [ 67.294792] RAX: ffffffffa44b2190 RBX: 0000000000000004 RCX: 0000000000000000 [ 67.302795] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffffffffa50d9aa0 [ 67.310791] RBP: ffffffffa53f5c9f R08: 0000000000000000 R09: 0000000000000000 [ 67.318797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 67.326801] R13: ffffb680414bff10 R14: ffffb680414bff10 R15: ffff90a7842e6000 [ 67.334806] FS: 00007f108ae63580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 67.343885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.350324] CR2: 0000000000000000 CR3: 0000000103240000 CR4: 00000000003506e0 [ 67.358329] Call Trace: [ 67.361083] direct_entry.cold+0x2c/0x38 [ 67.365495] full_proxy_write+0x56/0x80 [ 67.369805] vfs_write+0xea/0x390 [ 67.373527] ksys_write+0x68/0xe0 [ 67.377248] do_syscall_64+0x33/0x40 [ 67.381260] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.386931] RIP: 0033:0x7f108ad8bf33 [ 67.390932] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.411999] RSP: 002b:00007fff8354a438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.420498] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f108ad8bf33 [ 67.428504] RDX: 000000000000000a RSI: 00007f108ac7c000 RDI: 0000000000000001 [ 67.436509] RBP: 00007f108ac7c000 R08: 00007f108ac7b010 R09: 0000000000000000 [ 67.444513] R10: 00007f108ae861c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.452519] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.460533] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.476555] CR2: 0000000000000000 [ 67.480276] ---[ end trace 1c30a07334de357a ]--- [ 67.485454] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 67.489849] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 67.510908] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 67.516770] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 67.524772] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 67.532774] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 67.540778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 67.548782] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 67.556787] FS: 00007f108ae63580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 67.565854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.572298] CR2: 0000000000000000 CR3: 0000000103240000 CR4: 00000000003506e0 [ 67.580303] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 67.590252] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 826, name: cat [ 67.598639] INFO: lockdep is turned off. [ 67.603031] irq event stamp: 0 [ 67.606450] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.613483] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.622648] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.631817] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.638851] CPU: 2 PID: 826 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 67.647340] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.653973] Call Trace: [ 67.656718] dump_stack+0x77/0x97 [ 67.660437] ___might_sleep.cold+0xa6/0xb6 [ 67.665034] exit_signals+0x1c/0x2d0 [ 67.669046] do_exit+0xd5/0xb00 [ 67.672570] ? ksys_write+0x68/0xe0 [ 67.676486] rewind_stack_do_exit+0x17/0x20 [ 67.681178] RIP: 0033:0x7f108ad8bf33 [ 67.685185] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.706242] RSP: 002b:00007fff8354a438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.714737] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f108ad8bf33 [ 67.722730] RDX: 000000000000000a RSI: 00007f108ac7c000 RDI: 0000000000000001 [ 67.730734] RBP: 00007f108ac7c000 R08: 00007f108ac7b010 R09: 0000000000000000 [ 67.738740] R10: 00007f108ae861c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.746745] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 758173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 66.766206] R13: ffffb68041447f10 R14: ffffb68041447f10 R15: ffff90a784d24000 # [ 66.774234] FS: 00007f593afeb580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 66.789562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.796033] CR2: 00007f593ae04000 CR3: 000000010411c000 CR4: 00000000003506e0 # [ 66.804061] Call Trace: # [ 66.806837] direct_entry.cold+0x2c/0x38 # [ 66.811271] full_proxy_write+0x56/0x80 # [ 66.821832] vfs_write+0xea/0x390 # [ 66.825580] ksys_write+0x68/0xe0 # [ 66.829336] do_syscall_64+0x33/0x40 # [ 66.833378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.845282] RIP: 0033:0x7f593af13f33 # [ 66.849320] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.870408] RSP: 002b:00007ffc52eab2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.878930] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f593af13f33 # [ 66.886966] RDX: 0000000000000010 RSI: 00007f593ae04000 RDI: 0000000000000001 # [ 66.895001] RBP: 00007f593ae04000 R08: 00007f593ae03010 R09: 0000000000000000 # [ 66.903029] R10: 00007f593b00e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.911045] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.925308] irq event stamp: 0 # [ 66.928753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.942049] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.951252] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.960459] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.967509] ---[ end trace 1c30a07334de3579 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 67.211182] lkdtm: Performing direct entry EXCEPTION # [ 67.221571] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 67.229382] #PF: supervisor write access in kernel mode # [ 67.235243] #PF: error_code(0x0002) - not-present page # [ 67.241006] PGD 0 P4D 0 # [ 67.243853] Oops: 0002 [#2] SMP PTI # [ 67.247754] CPU: 2 PID: 826 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 67.256242] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.262890] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 67.267870] Code: 48 c7 c7 00 06 4c a5 8d 70 01 89 35 b1 13 70 02 e8 dc b2 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 67.288929] RSP: 0018:ffffb680414bfe60 EFLAGS: 00010286 # [ 67.294792] RAX: ffffffffa44b2190 RBX: 0000000000000004 RCX: 0000000000000000 # [ 67.302795] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffffffffa50d9aa0 # [ 67.310791] RBP: ffffffffa53f5c9f R08: 0000000000000000 R09: 0000000000000000 # [ 67.318797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 67.326801] R13: ffffb680414bff10 R14: ffffb680414bff10 R15: ffff90a7842e6000 # [ 67.334806] FS: 00007f108ae63580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 67.343885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.350324] CR2: 0000000000000000 CR3: 0000000103240000 CR4: 00000000003506e0 # [ 67.358329] Call Trace: # [ 67.361083] direct_entry.cold+0x2c/0x38 # [ 67.365495] full_proxy_write+0x56/0x80 # [ 67.369805] vfs_write+0xea/0x390 # [ 67.373527] ksys_write+0x68/0xe0 # [ 67.377248] do_syscall_64+0x33/0x40 # [ 67.381260] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.386931] RIP: 0033:0x7f108ad8bf33 # [ 67.390932] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.411999] RSP: 002b:00007fff8354a438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.420498] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f108ad8bf33 # [ 67.428504] RDX: 000000000000000a RSI: 00007f108ac7c000 RDI: 0000000000000001 # [ 67.436509] RBP: 00007f108ac7c000 R08: 00007f108ac7b010 R09: 0000000000000000 # [ 67.444513] R10: 00007f108ae861c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.452519] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.460533] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.476555] CR2: 0000000000000000 # [ 67.480276] ---[ end trace 1c30a07334de357a ]--- # [ 67.485454] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 67.489849] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 67.510908] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 67.516770] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 67.524772] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 67.532774] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 67.540778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 67.548782] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 67.556787] FS: 00007f108ae63580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 67.565854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.572298] CR2: 0000000000000000 CR3: 0000000103240000 CR4: 00000000003506e0 # [ 67.580303] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 67.590252] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 826, name: cat # [ 67.598639] INFO: lockdep is turned off. # [ 67.603031] irq event stamp: 0 # [ 67.606450] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.613483] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.622648] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.631817] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.638851] CPU: 2 PID: 826 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 67.647340] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.653973] Call Trace: # [ 67.656718] dump_stack+0x77/0x97 # [ 67.660437] ___might_sleep.cold+0xa6/0xb6 # [ 67.665034] exit_signals+0x1c/0x2d0 # [ 67.669046] do_exit+0xd5/0xb00 # [ 67.672570] ? ksys_write+0x68/0xe0 # [ 67.676486] rewind_stack_do_exit+0x17/0x20 # [ 67.681178] RIP: 0033:0x7f108ad8bf33 # [ 67.685185] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.706242] RSP: 002b:00007fff8354a438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.714737] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f108ad8bf33 # [ 67.722730] RDX: 000000000000000a RSI: 00007f108ac7c000 RDI: 0000000000000001 # [ 67.730734] RBP: 00007f108ac7c000 R08: 00007f108ac7b010 R09: 0000000000000000 # [ 67.738740] R10: 00007f108ae861c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.746745] 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 [ 68.596865] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 68.603162] lkdtm: attempting good list addition [ 68.608368] lkdtm: attempting corrupted list addition [ 68.614093] lkdtm: list_add() corruption not detected! # [ 68.596865] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 68.603162] lkdtm: attempting good list addition # [ 68.608368] lkdtm: attempting corrupted list addition # [ 68.614093] 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 [ 68.862523] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 68.868799] lkdtm: attempting good list removal [ 68.873905] lkdtm: attempting corrupted list removal [ 68.879507] lkdtm: list_del() corruption not detected! # [ 68.862523] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.868799] lkdtm: attempting good list removal # [ 68.873905] lkdtm: attempting corrupted list removal # [ 68.879507] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh [ 69.119295] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 69.126368] lkdtm: attempting bad read from page below current stack [ 69.133576] BUG: stack guard page was hit at 000000000368feb9 (stack is 0000000033c6bc66..00000000b4eb063d) [ 69.144514] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 69.151350] CPU: 1 PID: 1051 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 69.159940] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.166595] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 69.173145] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 a0 09 4c a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 4e a4 fd ff 48 c7 c7 e0 09 4c a5 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 34 a4 fd ff 0f 1f 44 [ 69.194212] RSP: 0018:ffffb6804182fe50 EFLAGS: 00010246 [ 69.200078] RAX: 0000000000000038 RBX: ffffb6804182c000 RCX: 0000000000000000 [ 69.208084] RDX: 0000000000000000 RSI: ffff90a7fbc9bf70 RDI: ffffffffa54c09e0 [ 69.216083] RBP: ffffffffa54c010a R08: 0000000000000000 R09: 0000000000000000 [ 69.224087] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 69.232094] R13: ffffb6804182ff10 R14: ffffb6804182ff10 R15: ffff90a78277f000 [ 69.240103] FS: 00007f8dce967580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 69.249182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.255625] CR2: ffffb6804182bfff CR3: 0000000104c78000 CR4: 00000000003506e0 [ 69.263628] Call Trace: [ 69.266377] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 69.271462] direct_entry.cold+0x2c/0x38 [ 69.275872] full_proxy_write+0x56/0x80 [ 69.280170] vfs_write+0xea/0x390 [ 69.283892] ksys_write+0x68/0xe0 [ 69.287616] do_syscall_64+0x33/0x40 [ 69.291629] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.297302] RIP: 0033:0x7f8dce88ff33 [ 69.301312] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.322379] RSP: 002b:00007ffd95661fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.330867] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8dce88ff33 [ 69.338873] RDX: 0000000000000019 RSI: 00007f8dce780000 RDI: 0000000000000001 [ 69.346879] RBP: 00007f8dce780000 R08: 00007f8dce77f010 R09: 0000000000000000 [ 69.354885] R10: 00007f8dce98a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.362890] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.370904] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.386932] ---[ end trace 1c30a07334de357b ]--- [ 69.392118] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.396519] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 69.417583] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 69.423445] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.431447] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 69.439452] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 69.447457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.455452] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 69.463453] FS: 00007f8dce967580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 69.472530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.478971] CR2: ffffb6804182bfff CR3: 0000000104c78000 CR4: 00000000003506e0 [ 69.486968] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 69.496920] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1051, name: cat [ 69.505413] INFO: lockdep is turned off. [ 69.509813] irq event stamp: 0 [ 69.513239] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.520279] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.529461] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.538637] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.545669] CPU: 1 PID: 1051 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 69.554259] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.560899] Call Trace: [ 69.563651] dump_stack+0x77/0x97 [ 69.567375] ___might_sleep.cold+0xa6/0xb6 [ 69.571976] exit_signals+0x1c/0x2d0 [ 69.575988] do_exit+0xd5/0xb00 [ 69.579513] ? ksys_write+0x68/0xe0 [ 69.583425] rewind_stack_do_exit+0x17/0x20 [ 69.588119] RIP: 0033:0x7f8dce88ff33 [ 69.592130] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.613191] RSP: 002b:00007ffd95661fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.621682] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8dce88ff33 [ 69.629687] RDX: 0000000000000019 RSI: 00007f8dce780000 RDI: 0000000000000001 [ 69.637691] RBP: 00007f8dce780000 R08: 00007f8dce77f010 R09: 0000000000000000 [ 69.645689] R10: 00007f8dce98a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.653689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 69.119295] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 69.126368] lkdtm: attempting bad read from page below current stack # [ 69.133576] BUG: stack guard page was hit at 000000000368feb9 (stack is 0000000033c6bc66..00000000b4eb063d) # [ 69.144514] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 69.151350] CPU: 1 PID: 1051 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 69.159940] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.166595] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 69.173145] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 a0 09 4c a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 4e a4 fd ff 48 c7 c7 e0 09 4c a5 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 34 a4 fd ff 0f 1f 44 # [ 69.194212] RSP: 0018:ffffb6804182fe50 EFLAGS: 00010246 # [ 69.200078] RAX: 0000000000000038 RBX: ffffb6804182c000 RCX: 0000000000000000 # [ 69.208084] RDX: 0000000000000000 RSI: ffff90a7fbc9bf70 RDI: ffffffffa54c09e0 # [ 69.216083] RBP: ffffffffa54c010a R08: 0000000000000000 R09: 0000000000000000 # [ 69.224087] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 69.232094] R13: ffffb6804182ff10 R14: ffffb6804182ff10 R15: ffff90a78277f000 # [ 69.240103] FS: 00007f8dce967580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 69.249182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.255625] CR2: ffffb6804182bfff CR3: 0000000104c78000 CR4: 00000000003506e0 # [ 69.263628] Call Trace: # [ 69.266377] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 69.271462] direct_entry.cold+0x2c/0x38 # [ 69.275872] full_proxy_write+0x56/0x80 # [ 69.280170] vfs_write+0xea/0x390 # [ 69.283892] ksys_write+0x68/0xe0 # [ 69.287616] do_syscall_64+0x33/0x40 # [ 69.291629] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.297302] RIP: 0033:0x7f8dce88ff33 # [ 69.301312] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.322379] RSP: 002b:00007ffd95661fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.330867] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8dce88ff33 # [ 69.338873] RDX: 0000000000000019 RSI: 00007f8dce780000 RDI: 0000000000000001 # [ 69.346879] RBP: 00007f8dce780000 R08: 00007f8dce77f010 R09: 0000000000000000 # [ 69.354885] R10: 00007f8dce[ 69.941943] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 98a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.362[ 69.955005] lkdtm: attempting bad read from page above current stack 890] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000[ 69.968418] BUG: stack guard page was hit at 0000000027e9b9ce (stack is 000000008d7a589e..000000003a3f1de4) [ 69.985516] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 69.992358] CPU: 3 PID: 1084 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 70.000945] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.007595] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 70.014241] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 18 0a 4c a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 14 a4 fd ff 48 c7 c7 58 0a 4c a5 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 f7 a3 fd ff [ 70.035296] RSP: 0018:ffffb6804188fe50 EFLAGS: 00010246 [ 70.041157] RAX: 0000000000000038 RBX: ffffb6804188c000 RCX: 0000000000000000 [ 70.049156] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa54c0a58 [ 70.057158] RBP: ffffffffa54c0123 R08: 0000000000000000 R09: 0000000000000000 [ 70.065159] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 70.073166] R13: ffffb6804188ff10 R14: ffffb6804188ff10 R15: ffff90a78272a000 [ 70.081164] FS: 00007fdc45430580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 70.090223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.096653] CR2: ffffb68041890000 CR3: 0000000104cc2000 CR4: 00000000003506e0 [ 70.104644] Call Trace: [ 70.107383] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 70.113237] direct_entry.cold+0x2c/0x38 [ 70.117634] full_proxy_write+0x56/0x80 [ 70.121930] vfs_write+0xea/0x390 [ 70.125645] ksys_write+0x68/0xe0 [ 70.129365] do_syscall_64+0x33/0x40 [ 70.133376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.139038] RIP: 0033:0x7fdc45358f33 [ 70.143040] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.164101] RSP: 002b:00007fffe97603e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.172598] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fdc45358f33 [ 70.180602] RDX: 000000000000001a RSI: 00007fdc45249000 RDI: 0000000000000001 [ 70.188605] RBP: 00007fdc45249000 R08: 00007fdc45248010 R09: 0000000000000000 [ 70.196610] R10: 00007fdc454531c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.204615] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.212631] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.228670] ---[ end trace 1c30a07334de357c ]--- [ 70.233854] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 70.238256] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 70.259321] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 70.265183] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 70.273188] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 70.281194] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 70.289200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.297206] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 70.305212] FS: 00007fdc45430580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 70.314289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.320735] CR2: ffffb68041890000 CR3: 0000000104cc2000 CR4: 00000000003506e0 [ 70.328736] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 70.338675] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1084, name: cat [ 70.347169] INFO: lockdep is turned off. [ 70.351567] irq event stamp: 0 [ 70.354991] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.362027] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.371199] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 70.380374] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.387404] CPU: 3 PID: 1084 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 70.395981] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.402612] Call Trace: [ 70.405363] dump_stack+0x77/0x97 [ 70.409086] ___might_sleep.cold+0xa6/0xb6 [ 70.413675] exit_signals+0x1c/0x2d0 [ 70.417675] do_exit+0xd5/0xb00 [ 70.421193] ? ksys_write+0x68/0xe0 [ 70.425101] rewind_stack_do_exit+0x17/0x20 [ 70.429785] RIP: 0033:0x7fdc45358f33 [ 70.433784] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.454820] RSP: 002b:00007fffe97603e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.463313] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fdc45358f33 [ 70.471310] RDX: 000000000000001a RSI: 00007fdc45249000 RDI: 0000000000000001 [ 70.479310] RBP: 00007fdc45249000 R08: 00007fdc45248010 R09: 0000000000000000 [ 70.487300] R10: 00007fdc454531c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.495304] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 020000 # [ 69.370904] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.386932] ---[ end trace 1c30a07334de357b ]--- # [ 69.392118] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 69.396519] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 69.417583] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 69.423445] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 69.431447] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 69.439452] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 69.447457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 69.455452] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 69.463453] FS: 00007f8dce967580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 69.472530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.478971] CR2: ffffb6804182bfff CR3: 0000000104c78000 CR4: 00000000003506e0 # [ 69.486968] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 69.496920] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1051, name: cat # [ 69.505413] INFO: lockdep is turned off. # [ 69.509813] irq event stamp: 0 # [ 69.513239] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.520279] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.529461] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.538637] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.545669] CPU: 1 PID: 1051 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 69.554259] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.560899] Call Trace: # [ 69.563651] dump_stack+0x77/0x97 # [ 69.567375] ___might_sleep.cold+0xa6/0xb6 # [ 69.571976] exit_signals+0x1c/0x2d0 # [ 69.575988] do_exit+0xd5/0xb00 # [ 69.579513] ? ksys_write+0x68/0xe0 # [ 69.583425] rewind_stack_do_exit+0x17/0x20 # [ 69.588119] RIP: 0033:0x7f8dce88ff33 # [ 69.592130] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.613191] RSP: 002b:00007ffd95661fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.621682] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f8dce88ff33 # [ 69.629687] RDX: 0000000000000019 RSI: 00007f8dce780000 RDI: 0000000000000001 # [ 69.637691] RBP: 00007f8dce780000 R08: 00007f8dce77f010 R09: 0000000000000000 # [ 69.645689] R10: 00007f8dce98a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.653689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 69.941943] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 69.955005] lkdtm: attempting bad read from page above current stack # [ 69.968418] BUG: stack guard page was hit at 0000000027e9b9ce (stack is 000000008d7a589e..000000003a3f1de4) # [ 69.985516] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 69.992358] CPU: 3 PID: 1084 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 70.000945] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.007595] RIP: 0010:lkdtm_STACK_GUA[ 70.869675] lkdtm: Performing direct entry UNSET_SMEP RD_PAGE_TRAILING+0x27/0x3d # [ 70.014241] Code: a4 fd ff 0f 1[ 70.877093] lkdtm: trying to clear SMEP normally f 44 00 00 53 48 c7 c7 18 0a 4c a5 50 65 48 8b 04 25 40 b0 01 00[ 70.888548] ------------[ cut here ]------------ 48 8b 58 18 e8 14 a4 fd ff 48 c7 c7 58 0a 4c a5 <8a> 83 00 40 0[ 70.899932] pinned CR4 bits changed: 0x100000!? 0 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 f7 a3 fd ff # [ 70.0[ 70.911326] WARNING: CPU: 3 PID: 1120 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 35296] RSP: 0018:ffffb6804188fe50 EFLAGS: 00010246 # [ 70.041[ 70.927774] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 157] RAX: 0000000000000038 RBX: ffffb6804188c000 RCX: 0000000000[ 70.950035] CPU: 3 PID: 1120 Comm: cat Tainted: G D W 5.10.124-cip9 #1 000000 # [ 70.049156] RDX: 0000000000000000 RSI: ffff90a7fbd9[ 70.964828] Hardware name: Google Coral/Coral, BIOS 09/29/2020 bf70 RDI: ffffffffa54c0a58 # [ 70.057158] RBP: ffffffffa54c01[ 70.977722] RIP: 0010:native_write_cr4+0x41/0x60 23 R08: 0000000000000000 R09: 0000000000000000 # [ 70.065159][ 70.989162] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 00 fc 3f a5 c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 71.016480] RSP: 0018:ffffb68041907e48 EFLAGS: 00010286 1a # [ 70.073166] R13: ffffb6804188ff10 R14: ffffb6804188ff10[ 71.028559] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 R15: ffff90a78272a000 # [ 70.081164] FS: 00007fdc45430580(0[ 71.042788] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 70.[ 71.057043] RBP: ffffffffa54c013d R08: 0000000000000000 R09: 0000000000000000 090223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 71.071271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 70.096653] CR2: ffffb68041890000 CR3: 0000000104cc2000 CR4: 000[ 71.085532] R13: ffffb68041907f10 R14: ffffb68041907f10 R15: ffff90a7838bb000 00000003506e0 # [ 70.104644] Call Trace: # [ 70.107383] ?[ 71.099744] FS: 00007effba1dd580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 70.113237] dir[ 71.115045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ect_entry.cold+0x2c/0x38 # [ 70.117634] full_proxy_write+0x5[ 71.127704] CR2: 00007effb9ff6000 CR3: 00000001027f8000 CR4: 00000000003506e0 6/0x80 # [ 70.121930] vfs_write+0xea/0x390 # [ 70.125645][ 71.141954] Call Trace: ksys_write+0x68/0xe0 # [ 70.129365] do_syscall_64+0x33/0x4[ 71.150995] lkdtm_UNSET_SMEP.cold+0x1d/0x103 0 # [ 70.133376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 #[ 71.162314] direct_entry.cold+0x2c/0x38 [ 70.139038] RIP: 0033:0x7fdc45358f33 # [ 70.143040] Code:[ 71.172730] full_proxy_write+0x56/0x80 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 71.183463] vfs_write+0xea/0x390 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <[ 71.193434] ksys_write+0x68/0xe0 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 [ 71.203330] do_syscall_64+0x33/0x40 18 # [ 70.164101] RSP: 002b:00007fffe97603e8 EFLAGS: 00000246[ 71.213443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ORIG_RAX: 0000000000000001 # [ 70.172598] RAX: fffffffffffff[ 71.225457] RIP: 0033:0x7effba105f33 fda RBX: 000000000000001a RCX: 00007fdc45358f33 # [ 70.180602[ 71.235628] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ] RDX: 000000000000001a RSI: 00007fdc45249000 RDI: 0000000000000[ 71.262946] RSP: 002b:00007ffde6c737e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 001 # [ 70.188605] RBP: 00007fdc45249000 R08: 00007fdc4524801[ 71.277667] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007effba105f33 0 R09: 0000000000000000 # [ 70.196610] R10: 00007fdc454531c0 [ 71.291926] RDX: 000000000000000b RSI: 00007effb9ff6000 RDI: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 # [ 70.204615] R1[ 71.306166] RBP: 00007effb9ff6000 R08: 00007effb9ff5010 R09: 0000000000000000 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 71.320429] R10: 00007effba2001c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.212631] Modules linked in: fuse ip_tables cros_ec_debu[ 71.334649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 gfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_[ 71.349024] irq event stamp: 0 thermal cros_ec_dev cros_usbpd_notify # [ 70.228670] ---[ end[ 71.358530] hardirqs last enabled at (0): [<0000000000000000>] 0x0 trace 1c30a07334de357c ]--- # [ 70.233854] RIP: 0010:lkdtm_B[ 71.371904] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 UG+0x5/0x10 # [ 70.238256] Code: 55 a5 ff 48 c7 c0 ea ff ff f[ 71.387326] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 f eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc[ 71.402729] softirqs last disabled at (0): [<0000000000000000>] 0x0 cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 0[ 71.416022] ---[ end trace 1c30a07334de357d ]--- 0 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 70.259321] RSP: 001[ 71.427459] lkdtm: ok: SMEP did not get cleared 8:ffffb68041347e60 EFLAGS: 00010286 # [ 70.265183] RAX: fffff[ 71.438760] lkdtm: trying to clear SMEP with call gadget fffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 7[ 71.450973] lkdtm: ok: SMEP removal was reverted 0.273188] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 70.281194] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 70.289200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 70.297206] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 70.305212] FS: 00007fdc45430580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 70.314289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.320735] CR2: ffffb68041890000 CR3: 0000000104cc2000 CR4: 00000000003506e0 # [ 70.328736] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 70.338675] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1084, name: cat # [ 70.347169] INFO: lockdep is turned off. # [ 70.351567] irq event stamp: 0 # [ 70.354991] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.362027] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.371199] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.380374] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.387404] CPU: 3 PID: 1084 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 70.395981] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.402612] Call Trace: # [ 70.405363] dump_stack+0x77/0x97 # [ 70.409086] ___might_sleep.cold+0xa6/0xb6 # [ 70.413675] exit_signals+0x1c/0x2d0 # [ 70.417675] do_exit+0xd5/0xb00 # [ 70.421193] ? ksys_write+0x68/0xe0 # [ 70.425101] rewind_stack_do_exit+0x17/0x20 # [ 70.429785] RIP: 0033:0x7fdc45358f33 # [ 70.433784] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.454820] RSP: 002b:00007fffe97603e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.463313] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fdc45358f33 # [ 70.471310] RDX: 000000000000001a RSI: 00007fdc45249000 RDI: 0000000000000001 # [ 70.479310] RBP: 00007fdc45249000 R08: 00007fdc45248010 R09: 0000000000000000 # [ 70.487300] R10: 00007fdc454531c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.495304] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 70.869675] lkdtm: Performing direct entry UNSET_SMEP # [ 70[ 71.716332] lkdtm: Performing direct entry DOUBLE_FAULT [ 71.723792] lkdtm: XFAIL: this test is ia32-only .877093] lkdtm: trying to clear SMEP normally # [ 70.888548] ------------[ cut here ]------------ # [ 70.899932] pinned CR4 bits changed: 0x100000!? # [ 70.911326] WARNING: CPU: 3 PID: 1120 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 70.927774] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.950035] CPU: 3 PID: 1120 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 70.964828] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.977722] RIP: 0010:native_write_cr4+0x41/0x60 # [ 70.989162] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 00 fc 3f a5 c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 71.016480] RSP: 0018:ffffb68041907e48 EFLAGS: 00010286 # [ 71.028559] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 71.042788] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 71.057043] RBP: ffffffffa54c013d R08: 0000000000000000 R09: 0000000000000000 # [ 71.071271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 71.085532] R13: ffffb68041907f10 R14: ffffb68041907f10 R15: ffff90a7838bb000 # [ 71.099744] FS: 00007effba1dd580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 71.115045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.127704] CR2: 00007effb9ff6000 CR3: 00000001027f8000 CR4: 00000000003506e0 # [ 71.141954] Call Trace: # [ 71.150995] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 71.162314] direct_entry.cold+0x2c/0x38 # [ 71.172730] full_proxy_write+0x56/0x80 # [ 71.183463] vfs_write+0xea/0x390 # [ 71.193434] ksys_write+0x68/0xe0 # [ 71.203330] do_syscall_64+0x33/0x40 # [ 71.213443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.225457] RIP: 0033:0x7effba105f33 # [ 71.235628] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.262946] RSP: 002b:00007ffde6c737e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.277667] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007effba105f33 # [ 71.291926] RDX: 000000000000000b RSI: 00007effb9ff6000 RDI: 0000000000000001 # [ 71.306166] RBP: 00007effb9ff6000 R08: 00007effb9ff5010 R09: 0000000000000000 # [ 71.320429] R10: 00007effba2001c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.334649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.349024] irq event stamp: 0 # [ 71.358530] hardirqs last enabled at (0): [<0000000000[ 71.999617] lkdtm: Performing direct entry CORRUPT_PAC [ 72.009251] lkdtm: XFAIL: this test is arm64-only 000000>] 0x0 # [ 71.371904] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.387326] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.402729] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.416022] ---[ end trace 1c30a07334de357d ]--- # [ 71.427459] lkdtm: ok: SMEP did not get cleared # [ 71.438760] lkdtm: trying to clear SMEP with call gadget # [ 71.450973] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 71.716332] lkdtm: Performing direct entry DOUBLE_FAULT # [ 71.723792] 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 # [ 71.999617] lkdtm: Performing direct entry CORRUPT_PAC # [ 72.009251] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh [ 72.264734] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 72.271995] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 72.264734] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 72.271995] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh [ 72.787021] lkdtm: Performing direct entry READ_AFTER_FREE [ 72.793220] lkdtm: Value in memory before free: 12345678 [ 72.799232] lkdtm: Attempting bad read from freed memory [ 72.805251] lkdtm: Memory was not poisoned # [ 72.787021] lkdtm: Performing direct entry READ_AFTER_FREE # [ 72.793220] lkdtm: Value in memory before free: 12345678 # [ 72.799232] lkdtm: Attempting bad read from freed memory # [ 72.805251] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh [ 73.199379] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 73.206163] lkdtm: Value in memory before free: 12345678 [ 73.212158] lkdtm: Attempting to read from freed memory [ 73.218054] lkdtm: Buddy page was not poisoned # [ 73.199379] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 73.206163] lkdtm: Value in memory before free: 12345678 # [ 73.212158] lkdtm: Attempting to read from freed memory # [ 73.218054] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh [ 73.465854] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 73.472165] lkdtm: Attempting double slab free ... # [ 73.465854] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 73.472165] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh [ 73.738212] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 73.744412] lkdtm: Attempting cross-cache slab free ... # [ 73.738212] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 73.744412] 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 [ 73.989066] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 73.995162] lkdtm: Attempting non-Slab slab free ... # [ 73.989066] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.995162] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh [ 74.765085] lkdtm: Performing direct entry EXEC_DATA [ 74.770707] lkdtm: attempting ok execution at ffffffffa44b2500 [ 74.777277] lkdtm: attempting bad execution at ffffffffa6bb3560 [ 74.783964] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.792364] BUG: unable to handle page fault for address: ffffffffa6bb3560 [ 74.800072] #PF: supervisor instruction fetch in kernel mode [ 74.806421] #PF: error_code(0x0011) - permissions violation [ 74.812669] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 800000011b0000e3 [ 74.820493] Oops: 0011 [#5] SMP PTI [ 74.824408] CPU: 3 PID: 1627 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 74.832998] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.839649] RIP: 0010:data_area+0x0/0x40 [ 74.844054] Code: ff ff 00 c8 29 80 a7 90 ff ff 00 c7 29 80 a7 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 74.865122] RSP: 0018:ffffb6804204fe48 EFLAGS: 00010246 [ 74.870977] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.878985] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 [ 74.886990] RBP: ffffffffa6bb3560 R08: 0000000000000000 R09: 0000000000000000 [ 74.894996] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 74.903004] R13: ffffb6804204ff10 R14: ffffb6804204ff10 R15: ffff90a78272b000 [ 74.911010] FS: 00007f124639e580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 74.920091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.926535] CR2: ffffffffa6bb3560 CR3: 0000000104d12000 CR4: 00000000003506e0 [ 74.934539] Call Trace: [ 74.937292] ? execute_location+0x48/0x56 [ 74.941789] ? direct_entry.cold+0x2c/0x38 [ 74.946392] ? full_proxy_write+0x56/0x80 [ 74.950891] ? vfs_write+0xea/0x390 [ 74.954806] ? ksys_write+0x68/0xe0 [ 74.958713] ? do_syscall_64+0x33/0x40 [ 74.962918] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.968779] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.984806] CR2: ffffffffa6bb3560 [ 74.988525] ---[ end trace 1c30a07334de357e ]--- [ 74.993710] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.998112] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 75.019171] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 75.025037] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.033042] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 75.041042] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 75.049048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.057048] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 75.065042] FS: 00007f124639e580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 75.074116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.080561] CR2: ffffffffa6bb3560 CR3: 0000000104d12000 CR4: 00000000003506e0 [ 75.088564] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.098518] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1627, name: cat [ 75.107010] INFO: lockdep is turned off. [ 75.111406] irq event stamp: 0 [ 75.114834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.121871] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 75.131039] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 75.140213] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.147247] CPU: 3 PID: 1627 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 75.155836] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.162477] Call Trace: [ 75.165227] dump_stack+0x77/0x97 [ 75.168951] ___might_sleep.cold+0xa6/0xb6 [ 75.173548] exit_signals+0x1c/0x2d0 [ 75.177559] do_exit+0xd5/0xb00 [ 75.181082] ? ksys_write+0x68/0xe0 [ 75.185000] rewind_stack_do_exit+0x17/0x20 [ 75.189692] RIP: 0033:0x7f12462c6f33 [ 75.193699] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.214749] RSP: 002b:00007ffd57900288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.223245] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f12462c6f33 [ 75.231251] RDX: 000000000000000a RSI: 00007f12461b7000 RDI: 0000000000000001 [ 75.239254] RBP: 00007f12461b7000 R08: 00007f12461b6010 R09: 0000000000000000 [ 75.247260] R10: 00007f12463c11c0 R11: 0000000000000246 R12: 0000000000000001 [ 75.255266] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 74.765085] lkdtm: Performing direct entry EXEC_DATA # [ 74.770707] lkdtm: attempting ok execution at ffffffffa44b2500 # [ 74.777277] lkdtm: attempting bad execution at ffffffffa6bb3560 # [ 74.783964] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.792364] BUG: unable to handle page fault for address: ffffffffa6bb3560 # [ 74.800072] #PF: supervisor instruction fetch in kernel mode # [ 74.806421] #PF: error_code(0x0011) - permissions violation # [ 74.812669] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 800000011b0000e3 # [ 74.820493] Oops: 0011 [#5] SMP PTI # [ 74.824408] CPU: 3 PID: 1627 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 74.832998] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.839649] RIP: 0010:data_area+0x0/0x40 # [ 74.844054] Code: ff ff 00 c8 29 80 a7 90 ff ff 00 c7 29 80 a7 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 74.865122] RSP: 0018:ffffb6804204fe48 EFLAGS: 00010246 # [ 74.870977] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.878985] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 74.886990] RBP: ffffffffa6bb3560 R08: 0000000000000000 R09: 0000000000000000 # [ 74.894996] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 74.903004] R13: ffffb6804204ff10 R14: ffffb6804204ff10 R15: ffff90a78272b000 # [ 74.911010] FS: 00007f124639e580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 74.920091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.926535] CR2: ffffffffa6bb3560 CR3: 0000000104d12000 CR4: 00000000003506e0 # [ 74.934539] Call Trace: # [ 74.937292] ? execute_location+0x48/0x56 # [ 74.941789] ? direct_entry.cold+0x2c/0x38 # [ 74.946392] ? full_proxy_write+0x56/0x80 # [ 74.950891] ? vfs_write+0xea/0x390 # [ 74.954806] ? ksys_write+0x68/0xe0 # [ 74.958713] ? do_syscall_64+0x33/0x40 # [ 74.962918] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 74.968779] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.984806] CR2: ffffffffa6bb3560 # [ 74.988525] ---[ end trace 1c30a07334de357e ]--- # [ 74.993710] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.998112] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb[ 75.560904] lkdtm: Performing direct entry EXEC_STACK e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc [ 75.570572] lkdtm: attempting ok execution at ffffffffa44b2500 cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 75.583380] lkdtm: attempting bad execution at ffffb680420d7e18 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 75.019171] RSP: 0018:ff[ 75.596289] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.610830] BUG: unable to handle page fault for address: ffffb680420d7e18 [ 75.618544] #PF: supervisor instruction fetch in kernel mode [ 75.624889] #PF: error_code(0x0011) - permissions violation [ 75.631139] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104f4e067 PTE 8000000104e55063 [ 75.640235] Oops: 0011 [#6] SMP PTI [ 75.644151] CPU: 3 PID: 1663 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 75.652741] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.659383] RIP: 0010:0xffffb680420d7e18 [ 75.663784] Code: 00 00 18 7e 0d 42 80 b6 ff ff 96 8d af a4 ff ff ff ff 20 00 00 00 00 00 00 00 66 02 4c a5 ff ff ff ff c2 8e af a4 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.684852] RSP: 0018:ffffb680420d7df8 EFLAGS: 00010246 [ 75.690714] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.698720] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 [ 75.706723] RBP: ffffb680420d7e18 R08: 0000000000000000 R09: 0000000000000000 [ 75.714723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 75.722723] R13: ffffb680420d7f10 R14: ffffb680420d7f10 R15: ffff90a785436000 [ 75.730732] FS: 00007f069befe580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 75.739805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.746246] CR2: ffffb680420d7e18 CR3: 0000000103f4a000 CR4: 00000000003506e0 [ 75.754246] Call Trace: [ 75.757003] ? execute_location+0x48/0x56 [ 75.761507] ? lkdtm_EXEC_STACK+0x26/0x40 [ 75.766009] ? direct_entry.cold+0x2c/0x38 [ 75.770611] ? full_proxy_write+0x56/0x80 [ 75.775111] ? vfs_write+0xea/0x390 [ 75.779026] ? ksys_write+0x68/0xe0 [ 75.782934] ? do_syscall_64+0x33/0x40 [ 75.787142] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.793010] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.809037] CR2: ffffb680420d7e18 [ 75.812755] ---[ end trace 1c30a07334de357f ]--- [ 75.817939] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.822339] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 75.843406] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 75.849268] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.857273] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 75.865277] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 75.873281] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.881284] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 75.889289] FS: 00007f069befe580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 75.898362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.904803] CR2: ffffb680420d7e18 CR3: 0000000103f4a000 CR4: 00000000003506e0 [ 75.912806] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.922757] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1663, name: cat [ 75.931245] INFO: lockdep is turned off. [ 75.935633] irq event stamp: 0 [ 75.939054] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.946088] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 75.955263] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 75.964439] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.971472] CPU: 3 PID: 1663 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 75.980058] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.986696] Call Trace: [ 75.989445] dump_stack+0x77/0x97 [ 75.993167] ___might_sleep.cold+0xa6/0xb6 [ 75.997768] exit_signals+0x1c/0x2d0 [ 76.001780] do_exit+0xd5/0xb00 [ 76.005305] ? ksys_write+0x68/0xe0 [ 76.009215] rewind_stack_do_exit+0x17/0x20 [ 76.013909] RIP: 0033:0x7f069be26f33 [ 76.017920] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 76.038968] RSP: 002b:00007ffdb32904e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.047454] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f069be26f33 [ 76.055456] RDX: 000000000000000b RSI: 00007f069bd17000 RDI: 0000000000000001 [ 76.063458] RBP: 00007f069bd17000 R08: 00007f069bd16010 R09: 0000000000000000 [ 76.071460] R10: 00007f069bf211c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.079463] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffb68041347e60 EFLAGS: 00010286 # [ 75.025037] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.033042] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 75.041042] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 75.049048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.057048] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 75.065042] FS: 00007f124639e580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 75.074116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.080561] CR2: ffffffffa6bb3560 CR3: 0000000104d12000 CR4: 00000000003506e0 # [ 75.088564] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.098518] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1627, name: cat # [ 75.107010] INFO: lockdep is turned off. # [ 75.111406] irq event stamp: 0 # [ 75.114834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.121871] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.131039] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.140213] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.147247] CPU: 3 PID: 1627 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 75.155836] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.162477] Call Trace: # [ 75.165227] dump_stack+0x77/0x97 # [ 75.168951] ___might_sleep.cold+0xa6/0xb6 # [ 75.173548] exit_signals+0x1c/0x2d0 # [ 75.177559] do_exit+0xd5/0xb00 # [ 75.181082] ? ksys_write+0x68/0xe0 # [ 75.185000] rewind_stack_do_exit+0x17/0x20 # [ 75.189692] RIP: 0033:0x7f12462c6f33 # [ 75.193699] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.214749] RSP: 002b:00007ffd57900288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.223245] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f12462c6f33 # [ 75.231251] RDX: 000000000000000a RSI: 00007f12461b7000 RDI: 0000000000000001 # [ 75.239254] RBP: 00007f12461b7000 R08: 00007f12461b6010 R09: 0000000000000000 # [ 75.247260] R10: 00007f12463c11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 75.255266] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 75.560904] lkdtm: Performing direct entry EXEC_STACK # [ 75.570572] lkdtm: attempting ok execution at ffffffffa44b2500 # [ 75.583380] lkdtm: attempting bad execution at ffffb680420d7e18 # [ 75.596289] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.610830] BUG: unable to handle page fault for address: ffffb680420d7e18 # [ 75.618544] #PF: supervisor instruction fetch in kernel mode # [ 75.624889] #PF: error_code(0x0011) - permissions violation # [ 75.631139] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104f4e067 PTE 8000000104e55063 # [ 75.640235] Oops: 0011 [#6] SMP PTI # [ 75.644151] CPU: 3 PID: 1663 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 75.652741] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.659383] RIP: 0010:0xffffb680420d7e18 # [ 75.663784] Code: 00 00 18 7e 0d 42 80 b6 ff ff 96 8d af a4 ff ff ff ff 20 00 00 00 00 00 00 00 66 02 4c a5 ff ff ff ff c2 8e af a4 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.684852] RSP: 0018:ffffb680420d7df8 EFLAGS: 00010246 # [ 75.690714] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.698720] RDX: 000000000000000[ 76.464953] lkdtm: Performing direct entry EXEC_KMALLOC 0 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 75.706723] [ 76.473942] lkdtm: attempting ok execution at ffffffffa44b2500 RBP: ffffb680420d7e18 R08: 0000000000000000 R09: 000000000000000[ 76.486722] lkdtm: attempting bad execution at ffff90a783858d40 0 # [ 75.714723] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 76.499621] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.514178] BUG: unable to handle page fault for address: ffff90a783858d40 [ 76.521894] #PF: supervisor instruction fetch in kernel mode [ 76.528240] #PF: error_code(0x0011) - permissions violation [ 76.534490] PGD 11b201067 P4D 11b201067 PUD 10004e063 PMD 104ee8063 PTE 8000000103858163 [ 76.543584] Oops: 0011 [#7] SMP PTI [ 76.547496] CPU: 3 PID: 1699 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 76.556078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.562724] RIP: 0010:0xffff90a783858d40 [ 76.567120] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 cf a3 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 76.588161] RSP: 0018:ffffb68042157e38 EFLAGS: 00010246 [ 76.594025] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.602019] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 [ 76.610018] RBP: ffff90a783858d40 R08: 0000000000000000 R09: 0000000000000000 [ 76.618020] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.626024] R13: ffffb68042157f10 R14: ffffb68042157f10 R15: ffff90a7833aa000 [ 76.634025] FS: 00007f843f089580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 76.643099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.649543] CR2: ffff90a783858d40 CR3: 00000001037f4000 CR4: 00000000003506e0 [ 76.657542] Call Trace: [ 76.660294] ? execute_location+0x48/0x56 [ 76.664797] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 76.669491] ? direct_entry.cold+0x2c/0x38 [ 76.674092] ? full_proxy_write+0x56/0x80 [ 76.678589] ? vfs_write+0xea/0x390 [ 76.682502] ? ksys_write+0x68/0xe0 [ 76.686409] ? do_syscall_64+0x33/0x40 [ 76.690617] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.696476] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.712504] CR2: ffff90a783858d40 [ 76.716223] ---[ end trace 1c30a07334de3580 ]--- [ 76.721399] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.725797] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 76.746865] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 76.752727] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.760732] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 76.768736] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 76.776729] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.784725] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 76.792733] FS: 00007f843f089580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 76.801811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.808255] CR2: ffff90a783858d40 CR3: 00000001037f4000 CR4: 00000000003506e0 R12: 000000000000000b # [ 75.722723] R13: ffffb680420d7f10 R14: ffffb680420d7f10 R15: ffff90a785436000 # [ 75.730732] FS: 00007f069befe580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 75.739805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.746246] CR2: ffffb680420d7e18 CR3: 0000000103f4a000 CR4: 00000000003506e0 # [ 75.754246] Call Trace: # [ 75.757003] ? execute_location+0x48/0x56 # [ 75.761507] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 75.766009] ? direct_entry.cold+0x2c/0x38 # [ 75.770611] ? full_proxy_write+0x56/0x80 # [ 75.775111] ? vfs_write+0xea/0x390 # [ 75.779026] ? ksys_write+0x68/0xe0 # [ 75.782934] ? do_syscall_64+0x33/0x40 # [ 75.787142] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.793010] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.809037] CR2: ffffb680420d7e18 # [ 75.812755] ---[ end trace 1c30a07334de357f ]--- # [ 75.817939] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.822339] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 75.843406] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 75.849268] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.857273] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 75.865277] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 75.873281] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.881284] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 75.889289] FS: 00007f069befe580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 75.898362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.904803] CR2: ffffb680420d7e18 CR3: 0000000103f4a000 CR4: 00000000003506e0 # [ 75.912806] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.922757] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1663, name: cat # [ 75.931245] INFO: lockdep is turned off. # [ 75.935633] irq event stamp: 0 # [ 75.939054] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.946088] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.955263] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.964439] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.971472] CPU: 3 PID: 1663 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 75.980058] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.986696] Call Trace: # [ 75.989445] dump_stack+0x77/0x97 # [ 75.993167] ___might_sleep.cold+0xa6/0xb6 # [ 75.997768] exit_signals+0x1c/0x2d0 # [ 76.001780] do_exit+0xd5/0xb00 # [ 76.005305] ? ksys_write+0x68/0xe0 # [ 76.009215] rewind_stack[ 77.113344] lkdtm: Performing direct entry EXEC_VMALLOC [ 77.121602] lkdtm: attempting ok execution at ffffffffa44b2500 [ 77.128182] lkdtm: attempting bad execution at ffffb680406d7000 [ 77.134853] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.143253] BUG: unable to handle page fault for address: ffffb680406d7000 _do_exit+0x17/0x20 # [ 76.013909] RIP: 0033:0x7f069be26f33 #[ 77.150960] #PF: supervisor instruction fetch in kernel mode [ 77.163537] #PF: error_code(0x0011) - permissions violation [ 77.169786] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 105689067 PTE 80000001033a5063 [ 77.178880] Oops: 0011 [#8] SMP PTI [ 77.182795] CPU: 2 PID: 1735 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 77.191382] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.198027] RIP: 0010:0xffffb680406d7000 [ 77.202432] Code: Unable to access opcode bytes at RIP 0xffffb680406d6fd6. [ 77.210143] RSP: 0018:ffffb680421dfe38 EFLAGS: 00010246 [ 77.216004] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.224008] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 [ 77.232012] RBP: ffffb680406d7000 R08: 0000000000000000 R09: 0000000000000000 [ 77.240017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 77.248022] R13: ffffb680421dff10 R14: ffffb680421dff10 R15: ffff90a7833a5000 [ 77.256030] FS: 00007f84452d5580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 77.265108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.271555] CR2: ffffb680406d6fd6 CR3: 000000010578a000 CR4: 00000000003506e0 [ 77.279556] Call Trace: [ 77.282310] ? execute_location+0x48/0x56 [ 77.286813] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 77.291505] ? direct_entry.cold+0x2c/0x38 [ 77.296107] ? full_proxy_write+0x56/0x80 [ 77.300607] ? vfs_write+0xea/0x390 [ 77.304522] ? ksys_write+0x68/0xe0 [ 77.308432] ? do_syscall_64+0x33/0x40 [ 77.312639] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.318511] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.334544] CR2: ffffb680406d7000 [ 77.338265] ---[ end trace 1c30a07334de3581 ]--- [ 77.343450] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.347851] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 77.368914] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 77.374768] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.382774] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 77.390778] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 77.398782] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.406788] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 77.414794] FS: 00007f84452d5580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 77.423870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.430316] CR2: ffffb680406d6fd6 CR3: 000000010578a000 CR4: 00000000003506e0 [ 77.438325] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 77.448274] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1735, name: cat [ 77.456765] INFO: lockdep is turned off. [ 77.461162] irq event stamp: 0 [ 77.464589] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.471626] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 77.480803] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 77.489967] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.496998] CPU: 2 PID: 1735 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 77.505589] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.512227] Call Trace: [ 77.514976] dump_stack+0x77/0x97 [ 77.518700] ___might_sleep.cold+0xa6/0xb6 [ 77.523301] exit_signals+0x1c/0x2d0 [ 77.527314] do_exit+0xd5/0xb00 [ 77.530830] ? ksys_write+0x68/0xe0 [ 77.534745] rewind_stack_do_exit+0x17/0x20 [ 77.539435] RIP: 0033:0x7f84451fdf33 [ 77.543446] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.564504] RSP: 002b:00007ffede74e9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.573001] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f84451fdf33 [ 77.581005] RDX: 000000000000000d RSI: 00007f84450ee000 RDI: 0000000000000001 [ 77.589011] RBP: 00007f84450ee000 R08: 00007f84450ed010 R09: 0000000000000000 [ 77.597002] R10: 00007f84452f81c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.604999] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 76.017920] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 76.038968] RSP: 002b:00007ffdb32904e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.047454] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f069be26f33 # [ 76.055456] RDX: 000000000000000b RSI: 00007f069bd17000 RDI: 0000000000000001 # [ 76.063458] RBP: 00007f069bd17000 R08: 00007f069bd16010 R09: 0000000000000000 # [ 76.071460] R10: 00007f069bf211c0 R11: 0000000000000246 R12: 0000000000000001 # [ 76.079463] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 76.464953] lkdtm: Performing direct entry EXEC_KMALLOC # [ 76.473942] lkdtm: attempting ok execution at ffffffffa44b2500 # [ 76.486722] lkdtm: attempting bad execution at ffff90a783858d40 # [ 76.499621] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.514178] BUG: unable to handle page fault for address: ffff90a783858d40 # [ 76.521894] #PF: supervisor instruction fetch in kernel mode # [ 76.528240] #PF: error_code(0x0011) - permissions violation # [ 76.534490] PGD 11b201067 P4D 11b201067 PUD 10004e063 PMD 104ee8063 PTE 8000000103858163 # [ 76.543584] Oops: 0011 [#7] SMP PTI # [ 76.547496] CPU: 3 PID: 1699 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 76.556078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.562724] RIP: 0010:0xffff90a783858d40 # [ 76.567120] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 cf a3 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 76.588161] RSP: 0018:ffffb68042157e38 EFLAGS: 00010246 # [ 76.594025] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.602019] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 76.610018] RBP: ffff90a783858d40 R08: 0000000000000000 R09: 0000000000000000 # [ 76.618020] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.626024] R13: ffffb68042157f10 R14: ffffb68042157f10 R15: ffff90a7833aa000 # [ 76.634025] FS: 00007f843f089580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 76.643099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.649543] CR2: ffff90a783858d40 CR3: 00000001037f4000 CR4: 00000000003506e0 # [ 76.657542] Call Trace: # [ 76.660294] ? execute_location+0x48/0x56 # [ 76.664797] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 76.669491] ? direct_entry.cold+0x2c/0x38 # [ 76.674092] ? full_proxy_write+0x56/0x80 # [ 76.678589] ? vfs_write+0xea/0x390 # [ 76.682502] ? ksys_write+0x68/0xe0 # [ 76.686409] ? do_syscall_64+0x33/0x40 # [ 76.690617] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 76.696476] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.712504] CR2: ffff90a783858d40 # [ 76.716223] ---[ end trace 1c30a07334de3580 ]--- # [ 76.721399] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.725797] Code: 55[ 77.942087] lkdtm: Performing direct entry EXEC_RODATA [ 77.948995] lkdtm: attempting ok execution at ffffffffa44b2500 [ 77.955575] lkdtm: attempting bad execution at ffffffffa50d9f00 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 [ 77.962242] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.976838] BUG: unable to handle page fault for address: ffffffffa50d9f00 [ 77.984548] #PF: supervisor instruction fetch in kernel mode [ 77.990883] #PF: error_code(0x0011) - permissions violation [ 77.997125] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 80000001196001e1 [ 78.004942] Oops: 0011 [#9] SMP PTI [ 78.008843] CPU: 2 PID: 1771 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 78.017424] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.024062] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 78.029819] Code: ff ff c2 a2 af a4 ff ff ff ff b2 04 4c a5 ff ff ff ff 78 8a af a4 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 78.050840] RSP: 0018:ffffb6804226fe48 EFLAGS: 00010246 [ 78.056695] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.064680] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 [ 78.072665] RBP: ffffffffa50d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 78.080645] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 78.088633] R13: ffffb6804226ff10 R14: ffffb6804226ff10 R15: ffff90a7837f6000 [ 78.096631] FS: 00007f0b85cb3580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 78.105685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.112120] CR2: ffffffffa50d9f00 CR3: 0000000104bc6000 CR4: 00000000003506e0 [ 78.120110] Call Trace: [ 78.122856] ? execute_location+0x48/0x56 [ 78.127350] ? direct_entry.cold+0x2c/0x38 [ 78.131941] ? full_proxy_write+0x56/0x80 [ 78.136436] ? vfs_write+0xea/0x390 [ 78.140347] ? ksys_write+0x68/0xe0 [ 78.144257] ? do_syscall_64+0x33/0x40 [ 78.148457] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f>[ 78.154305] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.176544] CR2: ffffffffa50d9f00 [ 78.180262] ---[ end trace 1c30a07334de3582 ]--- [ 78.185433] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.189833] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 78.210853] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 78.216694] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.224673] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 78.232662] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 78.240650] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.248646] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 78.256649] FS: 00007f0b85cb3580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 78.265722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.272168] CR2: ffffffffa50d9f00 CR3: 0000000104bc6000 CR4: 00000000003506e0 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 76.746865] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 76.752727] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.760732] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 76.768736] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 76.776729] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.784725] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 76.792733] FS: 00007f843f089580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 76.801811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.808255] CR2: ffff90a783858d40 CR3: 00000001037f4000 CR4: 00000000003506e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 77.113344] lkdtm: Performing direct entry EXEC_VMALLOC # [ 77.121602] lkdtm: attempting ok execution at ffffffffa44b2500 # [ 77.128182] lkdtm: attempting bad execution at ffffb680406d7000 # [ 77.134853] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.143253] BUG: unable to handle page fault for address: ffffb680406d7000 # [ 77.150960] #PF: supervisor instruction fetch in kernel mode # [ 77.163537] #PF: error_code(0x0011) - permissions violation # [ 77.169786] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 105689067 PTE 80000001033a5063 # [ 77.178880] Oops: 0011 [#8] SMP PTI # [ 77.182795] CPU: 2 PID: 1735 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 77.191382] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.198027] RIP: 0010:0xffffb680406d7000 # [ 77.202432] Code: Unable to access opcode bytes at RIP 0xffffb680406d6fd6. # [ 77.210143] RSP: 0018:ffffb680421dfe38 EFLAGS: 00010246 # [ 77.216004] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.224008] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 # [ 77.232012] RBP: ffffb680406d7000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.240017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 77.248022] R13: ffffb680421dff10 R14: ffffb680421dff10 R15: ffff90a7833a5000 # [ 77.256030] FS: 00007f84452d5580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 77.265108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.271555] CR2: ffffb680406d6fd6 CR3: 000000010578a000 CR4: 00000000003506e0 # [ 77.279556] Call Trace: # [ 77.282310] ? execute_location+0x48/0x56 # [ 77.286813] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 77.291505] ? direct_entry.cold+0x2c/0x38 # [ 77.296107] ? full_proxy_write+0x56/0x80 # [ 77.300607] ? vfs_write+0xea/0x390 # [ 77.304522] ? ksys_write+0x68/0xe0 # [ 77.308432] ? do_syscall_64+0x33/0x40 # [ 77.312[ 78.563765] lkdtm: Performing direct entry EXEC_USERSPACE 639] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 77.31851[ 78.573337] lkdtm: attempting ok execution at ffffffffa44b2500 1] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lig[ 78.586164] lkdtm: attempting bad execution at 00007f794c1ed000 htbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec[ 78.599019] unable to execute userspace code (SMEP?) (uid: 0) [ 78.611641] BUG: unable to handle page fault for address: 00007f794c1ed000 [ 78.619356] #PF: supervisor instruction fetch in kernel mode [ 78.625702] #PF: error_code(0x0011) - permissions violation [ 78.631949] PGD 80000001034c9067 P4D 80000001034c9067 PUD 10337a067 PMD 104c09067 PTE 114056067 [ 78.641723] Oops: 0011 [#10] SMP PTI [ 78.645735] CPU: 3 PID: 1807 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 78.654324] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.660971] RIP: 0010:0x7f794c1ed000 [ 78.664978] Code: Unable to access opcode bytes at RIP 0x7f794c1ecfd6. [ 78.672299] RSP: 0018:ffffb680422e7e50 EFLAGS: 00010246 [ 78.678161] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 78.686165] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 [ 78.694158] RBP: 00007f794c1ed000 R08: 0000000000000000 R09: 0000000000000000 [ 78.702150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 78.710153] R13: ffffb680422e7f10 R14: ffffb680422e7f10 R15: ffff90a783105000 [ 78.718160] FS: 00007f794c1be580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 78.727236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.733682] CR2: 00007f794c1ed000 CR3: 00000001034f2000 CR4: 00000000003506e0 [ 78.741685] Call Trace: [ 78.744439] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 78.749816] ? direct_entry.cold+0x2c/0x38 [ 78.754417] ? full_proxy_write+0x56/0x80 [ 78.758918] ? vfs_write+0xea/0x390 [ 78.762832] ? ksys_write+0x68/0xe0 [ 78.766750] ? do_syscall_64+0x33/0x40 [ 78.770958] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.776828] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.792857] CR2: 00007f794c1ed000 [ 78.796574] ---[ end trace 1c30a07334de3583 ]--- [ 78.801753] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.806151] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 78.827195] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 78.833054] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.841052] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 78.849056] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 78.857053] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.865060] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 78.873065] FS: 00007f794c1be580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 78.882144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.888583] CR2: 00007f794c1ed000 CR3: 00000001034f2000 CR4: 00000000003506e0 [ 78.896586] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.906535] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1807, name: cat [ 78.915013] INFO: lockdep is turned off. [ 78.919405] irq event stamp: 0 [ 78.922829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.929863] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 78.939041] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 78.948210] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.955227] CPU: 3 PID: 1807 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 78.963807] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.970443] Call Trace: [ 78.973189] dump_stack+0x77/0x97 [ 78.976912] ___might_sleep.cold+0xa6/0xb6 [ 78.981511] exit_signals+0x1c/0x2d0 [ 78.985520] do_exit+0xd5/0xb00 [ 78.989042] ? ksys_write+0x68/0xe0 [ 78.992953] rewind_stack_do_exit+0x17/0x20 [ 78.997638] RIP: 0033:0x7f794c0e6f33 [ 79.001641] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.022683] RSP: 002b:00007ffe20795768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.031165] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f794c0e6f33 [ 79.039161] RDX: 000000000000000f RSI: 00007f794bfd7000 RDI: 0000000000000001 [ 79.047159] RBP: 00007f794bfd7000 R08: 00007f794bfd6010 R09: 0000000000000000 [ 79.055163] R10: 00007f794c1e11c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.063166] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _dev cros_usbpd_notify # [ 77.334544] CR2: ffffb680406d7000 # [ 77.338265] ---[ end trace 1c30a07334de3581 ]--- # [ 77.343450] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.347851] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 77.368914] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 77.374768] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.382774] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 77.390778] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 77.398782] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.406788] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 77.414794] FS: 00007f84452d5580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 77.423870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.430316] CR2: ffffb680406d6fd6 CR3: 000000010578a000 CR4: 00000000003506e0 # [ 77.438325] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 77.448274] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1735, name: cat # [ 77.456765] INFO: lockdep is turned off. # [ 77.461162] irq event stamp: 0 # [ 77.464589] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.471626] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.480803] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.489967] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.496998] CPU: 2 PID: 1735 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 77.505589] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.512227] Call Trace: # [ 77.514976] dump_stack+0x77/0x97 # [ 77.518700] ___might_sleep.cold+0xa6/0xb6 # [ 77.523301] exit_signals+0x1c/0x2d0 # [ 77.527314] do_exit+0xd5/0xb00 # [ 77.530830] ? ksys_write+0x68/0xe0 # [ 77.534745] rewind_stack_do_exit+0x17/0x20 # [ 77.539435] RIP: 0033:0x7f84451fdf33 # [ 77.543446] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.564504] RSP: 002b:00007ffede74e9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.573001] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f84451fdf33 # [ 77.581005] RDX: 000000000000000d RSI: 00007f84450ee000 RDI: 0000000000000001 # [ 77.589011] RBP: 00007f84450ee000 R08: 00007f84450ed010 R09: 0000000000000000 # [ 77.597002] R10: 00007f84452f81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.604999] 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 # [ 77.942087] lkdtm: Performing direct entry EXEC_RODAT[ 79.372289] lkdtm: Performing direct entry EXEC_NULL A # [ 77.948995] lkdtm: attempting ok execution at ffffffffa4[ 79.382411] lkdtm: attempting ok execution at ffffffffa44b2500 4b2500 # [ 77.955575] lkdtm: attempting bad execution at ffff[ 79.395184] lkdtm: attempting bad execution at 0000000000000000 ffffa50d9f00 # [ 77.962242] kernel tried to execute NX-protec[ 79.408072] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 79.422090] #PF: supervisor instruction fetch in kernel mode ted page - exploit attempt? (uid: 0) # [ 77.976838] BUG: unab[ 79.428439] #PF: error_code(0x0010) - not-present page [ 79.440436] PGD 0 P4D 0 [ 79.443279] Oops: 0010 [#11] SMP PTI le to handle page fault for address: ffffffffa50d9f00 # [ 77.[ 79.447295] CPU: 0 PID: 1843 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 79.462116] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.468759] RIP: 0010:0x0 [ 79.471705] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 79.479416] RSP: 0018:ffffb68042337e48 EFLAGS: 00010246 [ 79.485280] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 79.493282] RDX: 0000000000000000 RSI: ffff90a7fbc1bf70 RDI: ffff90a7fbc1bf70 [ 79.501286] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 79.509291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 79.517296] R13: ffffb68042337f10 R14: ffffb68042337f10 R15: ffff90a784afd000 [ 79.525301] FS: 00007efd5ddf0580(0000) GS:ffff90a7fbc00000(0000) knlGS:0000000000000000 [ 79.534377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.540820] CR2: ffffffffffffffd6 CR3: 0000000104ba4000 CR4: 00000000003506f0 [ 79.548823] Call Trace: [ 79.551578] execute_location+0x48/0x56 [ 79.555889] direct_entry.cold+0x2c/0x38 [ 79.560297] full_proxy_write+0x56/0x80 [ 79.564604] vfs_write+0xea/0x390 [ 79.568326] ksys_write+0x68/0xe0 [ 79.572049] do_syscall_64+0x33/0x40 [ 79.576060] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.581720] RIP: 0033:0x7efd5dd18f33 [ 79.585733] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.606799] RSP: 002b:00007ffff85e1658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.615285] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efd5dd18f33 [ 79.623284] RDX: 000000000000000a RSI: 00007efd5dc09000 RDI: 0000000000000001 [ 79.631288] RBP: 00007efd5dc09000 R08: 00007efd5dc08010 R09: 0000000000000000 [ 79.639289] R10: 00007efd5de131c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.647291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 984[548] #PF: supervisor instruction fetch in kernel mode # [ 79.655306] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.677575] CR2: 0000000000000000 [ 79.681291] ---[ end trace 1c30a07334de3584 ]--- [ 79.686473] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.690865] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 79.711927] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 79.717789] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.725792] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 79.733793] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 79.741798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.749803] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 79.757807] FS: 00007efd5ddf0580(0000) GS:ffff90a7fbc00000(0000) knlGS:0000000000000000 [ 79.766886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.773332] CR2: ffffffffffffffd6 CR3: 0000000104ba4000 CR4: 00000000003506f0 [ 79.781337] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.791291] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1843, name: cat [ 79.799781] INFO: lockdep is turned off. [ 79.804176] irq event stamp: 0 [ 79.807599] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 79.814637] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 79.823815] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 79.832986] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 79.840019] CPU: 0 PID: 1843 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 79.848608] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.855247] Call Trace: [ 79.857998] dump_stack+0x77/0x97 [ 79.861721] ___might_sleep.cold+0xa6/0xb6 [ 79.866321] exit_signals+0x1c/0x2d0 [ 79.870333] do_exit+0xd5/0xb00 [ 79.873858] ? ksys_write+0x68/0xe0 77.990883] #PF: error_code(0x0011) - permissions violation # [ [ 79.877778] rewind_stack_do_exit+0x17/0x20 [ 79.888706] RIP: 0033:0x7efd5dd18f33 [ 79.892717] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.913783] RSP: 002b:00007ffff85e1658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.922273] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efd5dd18f33 [ 79.930277] RDX: 000000000000000a RSI: 00007efd5dc09000 RDI: 0000000000000001 [ 79.938281] RBP: 00007efd5dc09000 R08: 00007efd5dc08010 R09: 0000000000000000 [ 79.946282] R10: 00007efd5de131c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.954287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 77.997125] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 80000001196001e1 # [ 78.004942] Oops: 0011 [#9] SMP PTI # [ 78.008843] CPU: 2 PID: 1771 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 78.017424] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.024062] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 78.029819] Code: ff ff c2 a2 af a4 ff ff ff ff b2 04 4c a5 ff ff ff ff 78 8a af a4 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 78.050840] RSP: 0018:ffffb6804226fe48 EFLAGS: 00010246 # [ 78.056695] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 78.064680] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 # [ 78.072665] RBP: ffffffffa50d9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 78.080645] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 78.088633] R13: ffffb6804226ff10 R14: ffffb6804226ff10 R15: ffff90a7837f6000 # [ 78.096631] FS: 00007f0b85cb3580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 78.105685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.112120] CR2: ffffffffa50d9f00 CR3: 0000000104bc6000 CR4: 00000000003506e0 # [ 78.120110] Call Trace: # [ 78.122856] ? execute_location+0x48/0x56 # [ 78.127350] ? direct_entry.cold+0x2c/0x38 # [ 78.131941] ? full_proxy_write+0x56/0x80 # [ 78.136436] ? vfs_write+0xea/0x390 # [ 78.140347] ? ksys_write+0x68/0xe0 # [ 78.144257] ? do_syscall_64+0x33/0x40 # [ 78.148457] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.154305] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.176544] CR2: ffffffffa50d9f00 # [ 78.180262] ---[ end trace 1c30a07334de3582 ]--- # [ 78.185433] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.189833] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 78.210853] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 78.216694] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.224673] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 78.232662] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 78.240650] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.248646] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 78.256649] FS: 00007f0b85cb3580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 78.265722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.272168] CR2: ffffffffa50d9f00 CR3: 0000000104bc6000 CR4: 00000000003506e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 78.563765] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.573337] lkdtm: attempting ok execution at ffffffffa44b2500 # [ 78.586164] lkdtm: attempting bad execution at 00007f794c1ed000 # [ 78.599019] unable t[ 80.276191] lkdtm: Performing direct entry ACCESS_USERSPACE [ 80.286813] lkdtm: attempting bad read at 00007f3e609b4000 [ 80.293038] BUG: unable to handle page fault for address: 00007f3e609b4000 [ 80.300757] #PF: supervisor read access in kernel mode [ 80.306524] #PF: error_code(0x0001) - permissions violation o execute userspace code (SMEP?) (uid: 0) # [ 78.611641] BUG:[ 80.312774] PGD 8000000105cbc067 P4D 8000000105cbc067 PUD 104c9c067 PMD 104d18067 PTE 113979067 [ 80.328787] Oops: 0001 [#12] SMP PTI [ u nable to handle page fault for address: 00007f794c1ed000 # [ 80.332800] CPU: 2 PID: 1878 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 80.347531] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.354185] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 80.360431] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 d0 11 4c a5 e8 90 9d fd ff 48 c7 c7 f8 11 4c a5 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 77 9d fd ff 48 89 ee 48 c7 c7 20 12 4c [ 80.381499] RSP: 0018:ffffb680423dfe48 EFLAGS: 00010246 [ 80.387363] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 80.395368] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffffffffa54c11f8 [ 80.403373] RBP: 00007f3e609b4000 R08: 0000000000000000 R09: 0000000000000000 [ 80.411378] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 80.419385] R13: ffffb680423dff10 R14: ffffb680423dff10 R15: ffff90a7833e9000 [ 80.427391] FS: 00007f3e60985580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 80.436469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.442914] CR2: 00007f3e609b4000 CR3: 000000010264e000 CR4: 00000000003506e0 [ 80.450916] Call Trace: [ 80.453672] direct_entry.cold+0x2c/0x38 [ 80.458083] full_proxy_write+0x56/0x80 [ 80.462391] vfs_write+0xea/0x390 [ 80.466109] ksys_write+0x68/0xe0 [ 80.469832] do_syscall_64+0x33/0x40 [ 80.473841] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.479496] RIP: 0033:0x7f3e608adf33 [ 80.483505] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.504572] RSP: 002b:00007ffcbd422ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.513067] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3e608adf33 [ 80.521071] RDX: 0000000000000011 RSI: 00007f3e6079e000 RDI: 0000000000000001 [ 80.529077] RBP: 00007f3e6079e000 R08: 00007f3e6079d010 R09: 0000000000000000 [ 80.537081] R10: 00007f3e609a81c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.545082] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.553097] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.569119] CR2: 00007f3e609b4000 [ 80.572839] ---[ end trace 1c30a07334de3585 ]--- [ 80.578022] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.582422] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 80.603479] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 80.609340] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.617343] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 80.625346] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 80.633348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.641347] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 80.649351] FS: 00007f3e60985580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 80.658428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.664871] CR2: 00007f3e609b4000 CR3: 000000010264e000 CR4: 00000000003506e0 78.619356] #PF: supervisor instruction fetch in kernel mode # [ 78.625702] #PF: error_code(0x0011) - permissions violation # [ 78.631949] PGD 80000001034c9067 P4D 80000001034c9067 PUD 10337a067 PMD 104c09067 PTE 114056067 # [ 78.641723] Oops: 0011 [#10] SMP PTI # [ 78.645735] CPU: 3 PID: 1807 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 78.654324] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.660971] RIP: 0010:0x7f794c1ed000 # [ 78.664978] Code: Unable to access opcode bytes at RIP 0x7f794c1ecfd6. # [ 78.672299] RSP: 0018:ffffb680422e7e50 EFLAGS: 00010246 # [ 78.678161] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 78.686165] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 78.694158] RBP: 00007f794c1ed000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.702150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 78.710153] R13: ffffb680422e7f10 R14: ffffb680422e7f10 R15: ffff90a783105000 # [ 78.718160] FS: 00007f794c1be580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 78.727236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.733682] CR2: 00007f794c1ed000 CR3: 00000001034f2000 CR4: 00000000003506e0 # [ 78.741685] Call Trace: # [ 78.744439] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 78.749816] ? direct_entry.cold+0x2c/0x38 # [ 78.754417] ? full_proxy_write+0x56/0x80 # [ 78.758918] ? vfs_write+0xea/0x390 # [ 78.762832] ? ksys_write+0x68/0xe0 # [ 78.766750] ? do_syscall_64+0x33/0x40 # [ 78.770958] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.776828] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.792857] CR2: 00007f794c1ed000 # [ 78.796574] ---[ end trace 1c30a07334de3583 ]--- # [ 78.801753] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.806151] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 78.827195] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 78.833054] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.841052] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 78.849056] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 78.857053] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.865060] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 78.873065] FS: 00007f794c1be580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 78.882144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.888583] CR2: 00007f794c1ed000 CR3: 00000001034f2000 CR4: 00000000003506e0 # [ 78.896586] BUG: sleeping function called from invalid context at include/linux/percpu-rws[ 80.964597] lkdtm: Performing direct entry ACCESS_NULL em.h:49 # [ 78.906535] in_atomic(): 0, irqs_disabled(): 1, no[ 80.971962] lkdtm: attempting bad read at 0000000000000000 n_block: 0, pid: 1807, name: cat # [ 78.915013] INFO: lockdep[ 80.984403] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.998376] #PF: supervisor read access in kernel mode [ 81.004138] #PF: error_code(0x0000) - not-present page [ 81.009901] PGD 0 P4D 0 [ 81.012750] Oops: 0000 [#13] SMP PTI [ 81.016762] CPU: 3 PID: 1913 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 81.025351] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.032002] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 81.037282] Code: 34 9d fd ff be 00 10 00 00 48 89 ef e8 8b bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 11 4c a5 e8 0e 9d fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 11 4c a5 48 01 [ 81.058340] RSP: 0018:ffffb6804246fe58 EFLAGS: 00010246 [ 81.064195] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 81.072200] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 [ 81.080202] RBP: ffffffffa54c02c1 R08: 0000000000000000 R09: 0000000000000000 [ 81.088208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 81.096214] R13: ffffb6804246ff10 R14: ffffb6804246ff10 R15: ffff90a784df6000 [ 81.104222] FS: 00007f290c4d3580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 81.113298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.119741] CR2: 0000000000000000 CR3: 00000001028d8000 CR4: 00000000003506e0 [ 81.127742] Call Trace: [ 81.130494] direct_entry.cold+0x2c/0x38 [ 81.134902] full_proxy_write+0x56/0x80 [ 81.139209] vfs_write+0xea/0x390 [ 81.142931] ksys_write+0x68/0xe0 [ 81.146653] do_syscall_64+0x33/0x40 [ 81.150665] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.156335] RIP: 0033:0x7f290c3fbf33 [ 81.160344] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.181408] RSP: 002b:00007ffc3884da58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.189902] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f290c3fbf33 [ 81.197904] RDX: 000000000000000c RSI: 00007f290c2ec000 RDI: 0000000000000001 [ 81.205909] RBP: 00007f290c2ec000 R08: 00007f290c2eb010 R09: 0000000000000000 [ 81.213913] R10: 00007f290c4f61c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.221916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.229930] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.245956] CR2: 0000000000000000 [ 81.249677] ---[ end trace 1c30a07334de3586 ]--- [ 81.254861] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.259261] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 81.280323] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 81.286183] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.294185] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 81.302190] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 81.310195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.318200] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 81.326209] FS: 00007f290c4d3580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 [ 81.335287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.341730] CR2: 0000000000000000 CR3: 00000001028d8000 CR4: 00000000003506e0 [ 81.349739] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 81.359694] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1913, name: cat [ 81.368187] INFO: lockdep is turned off. [ 81.372584] irq event stamp: 0 [ 81.376009] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 81.383045] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 81.392224] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 81.401397] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.408425] CPU: 3 PID: 1913 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 81.417012] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.423651] Call Trace: [ 81.426401] dump_stack+0x77/0x97 [ 81.430123] ___might_sleep.cold+0xa6/0xb6 [ 81.434722] exit_signals+0x1c/0x2d0 [ 81.438731] do_exit+0xd5/0xb00 [ 81.442256] ? ksys_write+0x68/0xe0 [ 81.446165] rewind_stack_do_exit+0x17/0x20 [ 81.450859] RIP: 0033:0x7f290c3fbf33 [ 81.454870] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.475931] RSP: 002b:00007ffc3884da58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.484426] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f290c3fbf33 [ 81.492429] RDX: 000000000000000c RSI: 00007f290c2ec000 RDI: 0000000000000001 [ 81.500436] RBP: 00007f290c2ec000 R08: 00007f290c2eb010 R09: 0000000000000000 [ 81.508439] R10: 00007f290c4f61c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.516441] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 is turned off. # [ 78.919405] irq event stamp: 0 # [ 78.922829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.929863] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.939041] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.948210] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.955227] CPU: 3 PID: 1807 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 78.963807] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.970443] Call Trace: # [ 78.973189] dump_stack+0x77/0x97 # [ 78.976912] ___might_sleep.cold+0xa6/0xb6 # [ 78.981511] exit_signals+0x1c/0x2d0 # [ 78.985520] do_exit+0xd5/0xb00 # [ 78.989042] ? ksys_write+0x68/0xe0 # [ 78.992953] rewind_stack_do_exit+0x17/0x20 # [ 78.997638] RIP: 0033:0x7f794c0e6f33 # [ 79.001641] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.022683] RSP: 002b:00007ffe20795768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.031165] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f794c0e6f33 # [ 79.039161] RDX: 000000000000000f RSI: 00007f794bfd7000 RDI: 0000000000000001 # [ 79.047159] RBP: 00007f794bfd7000 R08: 00007f794bfd6010 R09: 0000000000000000 # [ 79.055163] R10: 00007f794c1e11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.063166] 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 # [ 79.372289] lkdtm: Performing direct entry EXEC_NULL # [ 79.382411] lkdtm: attempting ok execution at ffffffffa44b2500 # [ 79.395184] lkdtm: attempting bad execution at 0000000000000000 # [ 79.408072] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 79.422090] #PF: supervisor instruction fetch in kernel mode # [ 79.428439] #PF: error_code(0x0010) - not-present page # [ 79.440436] PGD 0 P4D 0 # [ 79.443279] Oops: 0010 [#11] SMP PTI # [ 79.447295] CPU: 0 PID: 1843 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 79.462116] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.468759] RIP: 0010:0x0 # [ 79.471705] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 79.479416] RSP: 0018:ffffb68042337e48 EFLAGS: 00010246 # [ 79.485280] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 79.493282] RDX: 0000000000000000 RSI: ffff90a7fbc1bf70 RDI: ffff90a7fbc1bf70 # [ 79.501286] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.509291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 79.517296] R13: ffffb68042337f10 R14: ffffb68042337f10 R15: ffff90a784afd000 # [ 79.525301] FS: 00007efd5ddf0580(0000) GS:ffff90a7fbc00000(0000) knlGS:0000000000000000 # [ 79.534377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.540820] CR2: ffffffffffffffd6 CR3: 0000000104ba4000 CR4: 00000000003506f0 # [ 79.548823] Call Trace: # [ 79.551578] execute_location+0x48/0x56 # [ 79.555889] direct_entry.cold+0x2c/0x38 # [ 79.560297] full_proxy_write+0x56/0x80 # [ 79.564604] vfs_write+0xea/0x390 # [ 79.568326] ksys_write+0x68/0xe0 # [ 79.572049] do_syscall_64+0x33/0x40 [ 81.867016] lkdtm: Performing direct entry WRITE_RO [ 81.873105] lkdtm: attempting bad rodata write at ffffffffa50d9ef0 # [ 79.576060] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 81.880100] BUG: unable to handle page fault for address: ffffffffa50d9ef0 [ 81.894002] #PF: supervisor write access in kernel mode [ 81.899863] #PF: error_code(0x0003) - permissions violation 79.581720] RIP: 0033:0x7efd5dd18f33 # [ 79.585733] Code: 8b[ 81.906114] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 80000001196001e1 [ 81.920154] Oops: 0003 [#14] SMP PTI 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 81.924162] CPU: 1 PID: 1948 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 81.938981] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.945629] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 81.950618] Code: 00 48 c7 c7 b0 10 4c a5 48 c7 c6 f0 9e 0d a5 e8 b0 9f fd ff 48 8b 05 2d 11 5e 00 ba 34 12 cd ab 48 c7 c7 e0 10 4c a5 48 31 d0 <48> 89 05 17 11 5e 00 e9 8e 9f fd ff 0f 1f 44 00 00 48 8b 05 3e 35 [ 81.971687] RSP: 0018:ffffb680424dfe60 EFLAGS: 00010202 [ 81.977551] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 81.985556] RDX: 00000000abcd1234 RSI: ffff90a7fbc9bf70 RDI: ffffffffa54c10e0 [ 81.993560] RBP: ffffffffa54c02cd R08: 0000000000000000 R09: 0000000000000000 [ 82.001564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 82.009569] R13: ffffb680424dff10 R14: ffffb680424dff10 R15: ffff90a782ba0000 [ 82.017575] FS: 00007f3d43a80580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 82.026652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.033097] CR2: ffffffffa50d9ef0 CR3: 00000001032b4000 CR4: 00000000003506e0 [ 82.041098] Call Trace: [ 82.043847] direct_entry.cold+0x2c/0x38 [ 82.048262] full_proxy_write+0x56/0x80 [ 82.052571] vfs_write+0xea/0x390 [ 82.056292] ksys_write+0x68/0xe0 [ 82.060013] do_syscall_64+0x33/0x40 [ 82.064024] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.069685] RIP: 0033:0x7f3d439a8f33 [ 82.073697] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.094764] RSP: 002b:00007ffeffbadf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.103255] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3d439a8f33 [ 82.111261] RDX: 0000000000000009 RSI: 00007f3d43899000 RDI: 0000000000000001 [ 82.119267] RBP: 00007f3d43899000 R08: 00007f3d43898010 R09: 0000000000000000 [ 82.127271] R10: 00007f3d43aa31c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.135274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 82.143289] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.165561] CR2: ffffffffa50d9ef0 [ 82.169275] ---[ end trace 1c30a07334de3587 ]--- [ 82.174459] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.178861] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 82.199927] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 82.205790] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.213795] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 82.221801] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 82.229806] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.237809] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 82.245808] FS: 00007f3d43a80580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 82.254883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.261326] CR2: ffffffffa50d9ef0 CR3: 00000001032b4000 CR4: 00000000003506e0 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.606799] RSP: 002b:00007ffff85e1658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.615285] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efd5dd18f33 # [ 79.623284] RDX: 000000000000000a RSI: 00007efd5dc09000 RDI: 0000000000000001 # [ 79.631288] RBP: 00007efd5dc09000 R08: 00007efd5dc08010 R09: 0000000000000000 # [ 79.639289] R10: 00007efd5de131c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.647291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.655306] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.677575] CR2: 0000000000000000 # [ 79.681291] ---[ end trace 1c30a07334de3584 ]--- # [ 79.686473] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.690865] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 79.711927] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 79.717789] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.725792] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 79.733793] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 79.741798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.749803] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 79.757807] FS: 00007efd5ddf0580(0000) GS:ffff90a7fbc00000(0000) knlGS:0000000000000000 # [ 79.766886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.773332] CR2: ffffffffffffffd6 CR3: 0000000104ba4000 CR4: 00000000003506f0 # [ 79.781337] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 79.791291] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1843, name: cat # [ 79.799781] INFO: lockdep is turned off. # [ 79.804176] irq event stamp: 0 # [ 79.807599] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.814637] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.823815] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.832986] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.840019] CPU: 0 PID: 1843 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 79.848608] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.855247] Call Trace: # [ 79.857998] dump_stack+0x77/0x97 # [ 79.861721] ___might_sleep.cold+0xa6/0xb6 # [ 79.866321] exit_signals+0x1c/0x2d0 # [ 79.870333] do_exit+0xd5/0xb00 # [ 79.873858] ? ksys_write+0x68/0xe0 # [ 79.877778] rewind_stack_do_exit+0x17/0x20 # [ 79.888706] RIP: 0033:0x7efd5dd18f33 # [ 79.892717] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83[ 82.573695] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 82.581648] lkdtm: attempting bad ro_after_init write at ffffffffa553c328 ec 28 48 89 54 24 18 # [ 79.913783] RSP: 002b:00007ffff85e16[ 82.589320] BUG: unable to handle page fault for address: ffffffffa553c328 [ 82.603269] #PF: supervisor write access in kernel mode [ 82.609132] #PF: error_code(0x0003) - permissions violation [ 82.615384] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 1046dd163 PTE 8000000119b3c061 [ 82.624480] Oops: 0003 [#15] SMP PTI [ 82.628493] CPU: 1 PID: 1983 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 82.637076] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.643725] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 82.649786] Code: 11 4c a5 e9 62 9f fd ff 48 c7 c7 38 11 4c a5 e8 56 9f fd ff 48 8b 05 0b 35 a4 00 ba 34 12 cd ab 48 c7 c7 e0 10 4c a5 48 31 d0 <48> 89 05 f5 34 a4 00 e9 34 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 82.670846] RSP: 0018:ffffb68042577e60 EFLAGS: 00010202 [ 82.676707] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 82.684711] RDX: 00000000abcd1234 RSI: ffff90a7fbc9bf70 RDI: ffffffffa54c10e0 [ 82.692714] RBP: ffffffffa54c02d6 R08: 0000000000000000 R09: 0000000000000000 [ 82.700717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 82.708720] R13: ffffb68042577f10 R14: ffffb68042577f10 R15: ffff90a783591000 [ 82.716726] FS: 00007f1023e91580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 82.725803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.732248] CR2: ffffffffa553c328 CR3: 00000001033be000 CR4: 00000000003506e0 [ 82.740248] Call Trace: [ 82.742996] direct_entry.cold+0x2c/0x38 [ 82.747408] full_proxy_write+0x56/0x80 [ 82.751716] vfs_write+0xea/0x390 [ 82.755437] ksys_write+0x68/0xe0 [ 82.759161] do_syscall_64+0x33/0x40 [ 82.763175] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.768843] RIP: 0033:0x7f1023db9f33 [ 82.772855] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.793918] RSP: 002b:00007ffe3a22d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.802409] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1023db9f33 [ 82.810411] RDX: 0000000000000014 RSI: 00007f1023caa000 RDI: 0000000000000001 [ 82.818414] RBP: 00007f1023caa000 R08: 00007f1023ca9010 R09: 0000000000000000 [ 82.826416] R10: 00007f1023eb41c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.834421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.842437] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.858469] CR2: ffffffffa553c328 [ 82.862192] ---[ end trace 1c30a07334de3588 ]--- [ 82.867374] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.871773] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 82.892837] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 82.898699] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.906703] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 82.914708] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 82.922711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.930714] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 82.938718] FS: 00007f1023e91580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 82.947793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.954241] CR2: ffffffffa553c328 CR3: 00000001033be000 CR4: 00000000003506e0 [ 82.962249] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 82.972204] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1983, name: cat [ 82.980698] INFO: lockdep is turned off. [ 82.985095] irq event stamp: 0 [ 82.988522] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.995559] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 83.004736] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 83.013914] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.020948] CPU: 1 PID: 1983 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 83.029536] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.036176] Call Trace: [ 83.038921] dump_stack+0x77/0x97 [ 83.042640] ___might_sleep.cold+0xa6/0xb6 [ 83.047237] exit_signals+0x1c/0x2d0 [ 83.051253] do_exit+0xd5/0xb00 [ 83.054779] ? ksys_write+0x68/0xe0 [ 83.058699] rewind_stack_do_exit+0x17/0x20 [ 83.063392] RIP: 0033:0x7f1023db9f33 [ 83.067401] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.088466] RSP: 002b:00007ffe3a22d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.096963] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1023db9f33 [ 83.104970] RDX: 0000000000000014 RSI: 00007f1023caa000 RDI: 0000000000000001 [ 83.112976] RBP: 00007f1023caa000 R08: 00007f1023ca9010 R09: 0000000000000000 [ 83.120981] R10: 00007f1023eb41c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.128986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.922273] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efd5dd18f33 # [ 79.930277] RDX: 000000000000000a RSI: 00007efd5dc09000 RDI: 0000000000000001 # [ 79.938281] RBP: 00007efd5dc09000 R08: 00007efd5dc08010 R09: 0000000000000000 # [ 79.946282] R10: 00007efd5de131c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.954287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 80.276191] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 80.286813] lkdtm: attempting bad read at 00007f3e609b4000 # [ 80.293038] BUG: unable to handle page fault for address: 00007f3e609b4000 # [ 80.300757] #PF: supervisor read access in kernel mode # [ 80.306524] #PF: error_code(0x0001) - permissions violation # [ 80.312774] PGD 8000000105cbc067 P4D 8000000105cbc067 PUD 104c9c067 PMD 104d18067 PTE 113979067 # [ 80.328787] Oops: 0001 [#12] SMP PTI # [ 80.332800] CPU: 2 PID: 1878 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 80.347531] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.354185] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 80.360431] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 d0 11 4c a5 e8 90 9d fd ff 48 c7 c7 f8 11 4c a5 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 77 9d fd ff 48 89 ee 48 c7 c7 20 12 4c # [ 80.381499] RSP: 0018:ffffb680423dfe48 EFLAGS: 00010246 # [ 80.387363] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 80.395368] RDX: 0000000000000000 RSI: ffff90a7fbd1bf70 RDI: ffffffffa54c11f8 # [ 80.403373] RBP: 00007f3e609b4000 R08: 0000000000000000 R09: 0000000000000000 # [ 80.411378] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 80.419385] R13: ffffb680423dff10 R14: ffffb680423dff10 R15: ffff90a7833e9000 # [ 80.427391] FS: 00007f3e60985580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 80.436469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.442914] CR2: 00007f3e609b4000 CR3: 000000010264e000 CR4: 00000000003506e0 # [ 80.450916] Call Trace: # [ 80.453672] direct_entry.cold+0x2c/0x38 # [ 80.458083] full_proxy_write+0x56/0x80 # [ 80.462391] vfs_write+0xea/0x390 # [ 80.466109] ksys_write+0x68/0xe0 # [ 80.469832] do_syscall_64+0x33/0x40 # [ 80.473841] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 80.479496] RIP: 0033:0x7f3e608adf33 # [ 80.483505] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.504572] RSP: 002b:00007ffcbd422ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.513067] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3e608adf33 # [ 80.521071] RDX: 0000000000000011 RSI: 00007f3e6079e000 RDI: 0000000000000001 # [ 80.529077] RBP: 00007f3e6079e000 R08: 00007f3e6079d010 R09: 0000000000000000 # [ 80.537081] R10: 00007f3e609a81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.545082] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.460381] lkdtm: Performing direct entry WRITE_KERN [ 83.467144] lkdtm: attempting bad 6580285 byte write at ffffffffa4af8d3d [ 83.474715] BUG: unable to handle page fault for address: ffffffffa4af8d3d [ 83.482431] #PF: supervisor write access in kernel mode [ 80.553097] Modules linked in: fuse ip_tables cros_ec_debugfs[ 83.488292] #PF: error_code(0x0003) - permissions violation cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_the[ 83.500778] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 1190001e1 [ 83.514156] Oops: 0003 [#16] SMP PTI [ 83.518161] CPU: 1 PID: 2018 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 83.526748] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.533397] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 83.538580] Code: 53 48 c7 c3 3d 8d af a4 49 89 dc 48 89 da 49 81 ec 00 25 4b a4 4c 89 e6 e8 09 9f fd ff 48 89 df 4c 89 e1 48 c7 c6 00 25 4b a4 a4 48 c7 c7 e0 10 4c a5 e8 ee 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 83.559646] RSP: 0018:ffffb680425ffe50 EFLAGS: 00010246 [ 83.565509] RAX: 000000000000003c RBX: ffffffffa4af8d3d RCX: 000000000064683d [ 83.573516] RDX: 0000000000000000 RSI: ffffffffa44b2500 RDI: ffffffffa4af8d3d [ 83.581520] RBP: ffffffffa54c02ea R08: 0000000000000000 R09: 0000000000000000 [ 83.589525] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000064683d [ 83.597528] R13: ffffb680425fff10 R14: ffffb680425fff10 R15: ffff90a7834e6000 [ 83.605535] FS: 00007efd2a52d580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 83.614613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.621056] CR2: ffffffffa4af8d3d CR3: 0000000104fd2000 CR4: 00000000003506e0 [ 83.629058] Call Trace: [ 83.631811] direct_entry.cold+0x2c/0x38 [ 83.636221] full_proxy_write+0x56/0x80 rmal cros_ec_dev cros_usbpd_notify # [ 80.569119] CR2: 00007f[ 83.640530] vfs_write+0xea/0x390 [ 83.650474] ksys_write+0x68/0xe0 [ 83.654198] do_syscall_64+0x33/0x40 [ 83.658211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.663881] RIP: 0033:0x7efd2a455f33 [ 83.667892] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.688958] RSP: 002b:00007ffc8e37b368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.697455] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efd2a455f33 [ 83.705460] RDX: 000000000000000b RSI: 00007efd2a346000 RDI: 0000000000000001 [ 83.713466] RBP: 00007efd2a346000 R08: 00007efd2a345010 R09: 0000000000000000 [ 83.721470] R10: 00007efd2a5501c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.729473] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.737486] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.753515] CR2: ffffffffa4af8d3d [ 83.757237] ---[ end trace 1c30a07334de3589 ]--- [ 83.762418] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.766810] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 83.787854] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 [ 83.793714] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.801712] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 [ 83.809713] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 83.817705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.825700] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 [ 83.833704] FS: 00007efd2a52d580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 83.842778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.849220] CR2: ffffffffa4af8d3d CR3: 0000000104fd2000 CR4: 00000000003506e0 3e609b4000 # [ 80.572839] ---[ end trace 1c30a07334de3585 ]--- # [ 80.578022] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.582422] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 80.603479] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 80.609340] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.617343] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 80.625346] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 80.633348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.641347] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 80.649351] FS: 00007f3e60985580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 80.658428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.664871] CR2: 00007f3e609b4000 CR3: 000000010264e000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 80.964597] lkdtm: Performing direct entry ACCESS_NULL # [ 80.971962] lkdtm: attempting bad read at 0000000000000000 # [ 80.984403] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 80.998376] #PF: supervisor read access in kernel mode # [ 81.004138] #PF: error_code(0x0000) - not-present page # [ 81.009901] PGD 0 P4D 0 # [ 81.012750] Oops: 0000 [#13] SMP PTI # [ 81.016762] CPU: 3 PID: 1913 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 81.025351] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.032002] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 81.037282] Code: 34 9d fd ff be 00 10 00 00 48 89 ef e8 8b bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 11 4c a5 e8 0e 9d fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 11 4c a5 48 01 # [ 81.058340] RSP: 0018:ffffb6804246fe58 EFLAGS: 00010246 # [ 81.064195] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 81.072200] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 81.080202] RBP: ffffffffa54c02c1 R08: 0000000000000000 R09: 0000000000000000 # [ 81.088208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 81.096214] R13: ffffb6804246ff10 R14: ffffb6804246ff10 R15: ffff90a784df6000 # [ 81.104222] FS: 00007f290c4d3580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 81.113298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.119741] CR2: 0000000000000000 CR3: 00000001028d8000 CR4: 00000000003506e0 # [ 81.127742] Call Trace: # [ 81.130494] direct_entry.cold+0x2c/0x38 # [ 81.134902] full_proxy_write+0x56/0x80 # [ 81.139209] vfs_write+0xea/0x390 # [ 81.142931] ksys_write+0x68/0xe0 # [ 81.146653] do_syscall_64+0x33/0x40 # [ 81.150665] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 81.156335] RIP: 0033:0x7f290c3fbf33 # [ 81.160344] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 84.177347] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 84.188378] lkdtm: attempting good refcount_inc() without overflow [ 84.195342] lkdtm: attempting bad refcount_inc() overflow [ 84.201419] ------------[ cut here ]------------ [ 84.206620] refcount_t: saturated; leaking memory. [ 84.212063] WARNING: CPU: 1 PID: 2053 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 84.221453] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.237524] CPU: 1 PID: 2053 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 84.246138] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.252811] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 84.258602] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 45 a5 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a [ 84.279695] RSP: 0018:ffffb6804266fe48 EFLAGS: 00010286 [ 84.285578] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 84.293608] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 [ 84.301645] RBP: ffffffffa54c02f5 R08: 0000000000000000 R09: 0000000000000000 [ 84.309672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 84.317701] R13: ffffb6804266ff10 R14: ffffb6804266ff10 R15: ffff90a78275c000 [ 84.325730] FS: 00007f6bdc67e580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 84.334829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.341299] CR2: 00007f6bdc497000 CR3: 000000010565a000 CR4: 00000000003506e0 [ 84.349325] Call Trace: [ 84.352106] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 [ 84.357511] direct_entry.cold+0x2c/0x38 [ 84.361956] full_proxy_write+0x56/0x80 [ 84.366299] vfs_write+0xea/0x390 [ 84.370046] ksys_write+0x68/0xe0 [ 84.373794] do_syscall_64+0x33/0x40 [ 84.377834] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.383531] RIP: 0033:0x7f6bdc5a6f33 [ 84.387575] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 84.408662] RSP: 002b:00007ffff077c3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.417180] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6bdc5a6f33 [ 84.425213] RDX: 0000000000000016 RSI: 00007f6bdc497000 RDI: 0000000000000001 [ 84.433248] RBP: 00007f6bdc497000 R08: 00007f6bdc496010 R09: 0000000000000000 [ 84.441278] R10: 00007f6bdc6a11c0 R11: 0000000000000246 R12: 0000000000000001 [ 84.449307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.181408] RSP: 002b:00007ffc3884da58 EFLAGS: 00000246 OR[ 84.457351] irq event stamp: 0 IG_RAX: 0000000000000001 # [ 81.189902] RAX: ffffffffffffffda[ 84.467040] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.480314] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 84.489522] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 84.498726] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.505777] ---[ end trace 1c30a07334de358a ]--- [ 84.510976] lkdtm: Overflow detected: saturated RBX: 000000000000000c RCX: 00007f290c3fbf33 # [ 81.197904] RDX: 000000000000000c RSI: 00007f290c2ec000 RDI: 0000000000000001 # [ 81.205909] RBP: 00007f290c2ec000 R08: 00007f290c2eb010 R09: 0000000000000000 # [ 81.213913] R10: 00007f290c4f61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.221916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.229930] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.245956] CR2: 0000000000000000 # [ 81.249677] ---[ end trace 1c30a07334de3586 ]--- # [ 81.254861] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.259261] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 81.280323] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 81.286183] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.294185] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 81.302190] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 81.310195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 81.318200] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 81.326209] FS: 00007f290c4d3580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 81.335287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.341730] CR2: 0000000000000000 CR3: 00000001028d8000 CR4: 00000000003506e0 # [ 81.349739] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 81.359694] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1913, name: cat # [ 81.368187] INFO: lockdep is turned off. # [ 81.372584] irq event stamp: 0 # [ 81.376009] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 81.383045] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 81.392224] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 81.401397] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 81.408425] CPU: 3 PID: 1913 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 81.417012] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.423651] Call Trace: # [ 81.426401] dump_stack+0x77/0x97 # [ 81.430123] ___might_sleep.cold+0xa6/0xb6 # [ 81.434722] exit_signals+0x1c/0x2d0 # [ 81.438731] do_exit+0xd5/0xb00 # [ 81.442256] ? ksys_write+0x68/0xe0 # [ 81.446165] rewind_stack_do_exit+0x17/0x20 # [ 81.450859] RIP: 0033:0x7f290c3fbf33 # [ 81.454870] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.475931] RSP: 002b:00007ffc3884da58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.484426][ 84.810649] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 84.822405] lkdtm: attempting good refcount_add() without overflow [ 84.829375] lkdtm: attempting bad refcount_add() overflow RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f290c3fbf[ 84.835455] ------------[ cut here ]------------ [ 84.846878] refcount_t: saturated; leaking memory. [ 84.852324] WARNING: CPU: 2 PID: 2085 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 33 # [ 81.492429] RDX: 000000000000000c RSI: 00007f290c2ec000[ 84.861713] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.884017] CPU: 2 PID: 2085 Comm: cat Tainted: G D W 5.10.124-cip9 #1 RDI: 0000000000000001 # [ 81.500436] RBP: 00007f290c2ec000 R[ 84.892652] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.905513] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 84.911303] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 45 a5 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a [ 84.932390] RSP: 0018:ffffb680426ffe48 EFLAGS: 00010286 [ 84.938275] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 84.946303] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 [ 84.954332] RBP: ffffffffa54c030b R08: 0000000000000000 R09: 0000000000000000 [ 84.962362] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 84.970388] R13: ffffb680426fff10 R14: ffffb680426fff10 R15: ffff90a7834d1000 [ 84.978409] FS: 00007f62f1f60580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 84.987507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.993963] CR2: 00007f62f1d79000 CR3: 0000000104f56000 CR4: 00000000003506e0 [ 85.001986] Call Trace: [ 85.004764] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 [ 85.010172] direct_entry.cold+0x2c/0x38 [ 85.014604] full_proxy_write+0x56/0x80 [ 85.018939] vfs_write+0xea/0x390 [ 85.022684] ksys_write+0x68/0xe0 [ 85.026434] do_syscall_64+0x33/0x40 [ 85.030471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.036166] RIP: 0033:0x7f62f1e88f33 [ 85.040200] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.061285] RSP: 002b:00007ffed8383888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.069800] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f62f1e88f33 [ 85.077829] RDX: 0000000000000016 RSI: 00007f62f1d79000 RDI: 0000000000000001 [ 85.085856] RBP: 00007f62f1d79000 R08: 00007f62f1d78010 R09: 0000000000000000 [ 85.093875] R10: 00007f62f1f831c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.101902] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 08: 00007f290c2eb010 R09: 0000000000000000 # [ 81.508439] R10[ 85.109951] irq event stamp: 0 : 00007f290c4f61c0 R11: 0000000000000246 R12: 0000000000000001 [ 85.119597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.132883] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 85.142088] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 85.151290] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.158343] ---[ end trace 1c30a07334de358b ]--- [ 85.163543] lkdtm: Overflow detected: saturated # [ 81.516441] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 81.867016] lkdtm: Performing direct entry WRITE_RO # [ 81.873105] lkdtm: attempting bad rodata write at ffffffffa50d9ef0 # [ 81.880100] BUG: unable to handle page fault for address: ffffffffa50d9ef0 # [ 81.894002] #PF: supervisor write access in kernel mode # [ 81.899863] #PF: error_code(0x0003) - permissions violation # [ 81.906114] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 80000001196001e1 # [ 81.920154] Oops: 0003 [#14] SMP PTI # [ 81.924162] CPU: 1 PID: 1948 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 81.938981] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.945629] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 81.950618] Code: 00 48 c7 c7 b0 10 4c a5 48 c7 c6 f0 9e 0d a5 e8 b0 9f fd ff 48 8b 05 2d 11 5e 00 ba 34 12 cd ab 48 c7 c7 e0 10 4c a5 48 31 d0 <48> 89 05 17 11 5e 00 e9 8e 9f fd ff 0f 1f 44 00 00 48 8b 05 3e 35 # [ 81.971687] RSP: 0018:ffffb680424dfe60 EFLAGS: 00010202 # [ 81.977551] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 81.985556] RDX: 00000000abcd1234 RSI: ffff90a7fbc9bf70 RDI: ffffffffa54c10e0 # [ 81.993560] RBP: ffffffffa54c02cd R08: 0000000000000000 R09: 0000000000000000 # [ 82.001564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 82.009569] R13: ffffb680424dff10 R14: ffffb680424dff10 R15: ffff90a782ba0000 # [ 82.017575] FS: 00007f3d43a80580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 82.026652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.033097] CR2: ffffffffa50d9ef0 CR3: 00000001032b4000 CR4: 00000000003506e0 # [ 82.041098] Call Trace: # [ 82.043847] direct_entry.cold+0x2c/0x38 # [ 82.048262] full_proxy_write+0x56/0x80 # [ 82.052571] vfs_write+0xea/0x390 # [ 82.056292] ksys_write+0x68/0xe0 # [ 82.060013] do_syscall_64+0x33/0x40 # [ 82.064024] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 82.069685] RIP: 0033:0x7f3d439a8f33 # [ 82.073697] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.094764] RSP: 002b:00007ffeffbadf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.103255] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3d439a8f33 # [ 82.111261] RDX: 0000000000000009 RSI: 00007f3d43899000 RDI: 0000000000000001 # [ 82.119267] RBP: 00007f3d43899000 R08: 00007f3d43898010 R09: 0000000000000000 # [ 82.127271] R10: 00007f3d43aa31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.135274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.143289] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.165561] CR2: ffffffffa50d9ef0 # [ 82.169275] ---[ en[ 85.471421] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 85.482087] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 85.489074] ------------[ cut here ]------------ [ 85.494268] refcount_t: saturated; leaking memory. d trace 1c30a07334de3587 ]--- # [ 82.174459] RIP: 0010:lkdtm_[ 85.499710] WARNING: CPU: 2 PID: 2117 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 BUG+0x5/0x10 # [ 82.178861] Code: 55 a5 ff 48 c7 c0 ea ff ff [ 85.515288] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.537590] CPU: 2 PID: 2117 Comm: cat Tainted: G D W 5.10.124-cip9 #1 ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc c[ 85.546231] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.559171] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 85.564967] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b [ 85.586059] RSP: 0018:ffffb68042787e38 EFLAGS: 00010282 [ 85.591949] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 85.599977] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 [ 85.608007] RBP: ffffffffa54bff48 R08: 0000000000000000 R09: 0000000000000000 [ 85.616037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 85.624067] R13: ffffb68042787f10 R14: ffffb68042787f10 R15: ffff90a783430000 [ 85.632098] FS: 00007f9de6f70580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 85.641198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.647664] CR2: 00007f9de6d89000 CR3: 000000010350c000 CR4: 00000000003506e0 [ 85.655688] Call Trace: [ 85.658458] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 85.664644] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 85.670922] direct_entry.cold+0x2c/0x38 [ 85.675352] full_proxy_write+0x56/0x80 [ 85.679684] vfs_write+0xea/0x390 [ 85.683423] ksys_write+0x68/0xe0 [ 85.687174] do_syscall_64+0x33/0x40 [ 85.691213] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.696896] RIP: 0033:0x7f9de6e98f33 [ 85.700932] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.722022] RSP: 002b:00007ffee571b808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.730543] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9de6e98f33 [ 85.738574] RDX: 000000000000001f RSI: 00007f9de6d89000 RDI: 0000000000000001 [ 85.746604] RBP: 00007f9de6d89000 R08: 00007f9de6d88010 R09: 0000000000000000 [ 85.754632] R10: 00007f9de6f931c0 R11: 0000000000000246 R12: 0000000000000001 c cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 [ 85.762662] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 82.199927] RSP: 00[ 85.776917] irq event stamp: 0 [ 85.786590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.793653] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 85.802850] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 85.812045] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.819089] ---[ end trace 1c30a07334de358c ]--- [ 85.824288] lkdtm: Overflow detected: saturated 18:ffffb68041347e60 EFLAGS: 00010286 # [ 82.205790] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.213795] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 82.221801] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 82.229806] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.237809] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 82.245808] FS: 00007f3d43a80580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 82.254883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.261326] CR2: ffffffffa50d9ef0 CR3: 00000001032b4000 CR4: 00000000003506e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 82.573695] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 82.581648] lkdtm: attempting bad ro_after_init write at ffffffffa553c328 # [ 82.589320] BUG: unable to handle page fault for address: ffffffffa553c328 # [ 82.603269] #PF: supervisor write access in kernel mode # [ 82.609132] #PF: error_code(0x0003) - permissions violation # [ 82.615384] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 1046dd163 PTE 8000000119b3c061 # [ 82.624480] Oops: 0003 [#15] SMP PTI # [ 82.628493] CPU: 1 PID: 1983 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 82.637076] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.643725] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 82.649786] Code: 11 4c a5 e9 62 9f fd ff 48 c7 c7 38 11 4c a5 e8 56 9f fd ff 48 8b 05 0b 35 a4 00 ba 34 12 cd ab 48 c7 c7 e0 10 4c a5 48 31 d0 <48> 89 05 f5 34 a4 00 e9 34 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 82.670846] RSP: 0018:ffffb68042577e60 EFLAGS: 00010202 # [ 82.676707] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 82.684711] RDX: 00000000abcd1234 RSI: ffff90a7fbc9bf70 RDI: ffffffffa54c10e0 # [ 82.692714] RBP: ffffffffa54c02d6 R08: 0000000000000000 R09: 0000000000000000 # [ 82.700717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 82.708720] R13: ffffb68042577f10 R14: ffffb68042577f10 R15: ffff90a783591000 # [ 82.716726] FS: 00007f1023e91580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 82.725803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.732248] CR2: ffffffffa553c328 CR3: 00000001033be000 CR4: 00000000003506e0 # [ 82.740248] Call Trace: # [ 82.742996] direct_entry.cold+0x2c/0x38 # [ 82.747408] full_proxy_write+0x56/0x80 # [ 82.751716] vfs_write+0xea/0x390 # [ 82.755437] ksys_write+0x68/0xe0 # [ 82.759161] do_syscall_64+0x33/0x40 # [ 82.763175] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 82.768843] RIP: 0033:0x7f1023db9f33 # [ 82.772855] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.793918] RSP: 002b:00007ffe3a22d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.802409] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1023db9f33 # [ 82.810411] RDX: 0000[ 86.143990] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 000000000014 RSI: 00007f1023caa000 RDI: 0000000000000001 # [ [ 86.155379] lkdtm: attempting bad refcount_add_not_zero() overflow 82.818414] RBP: 00007f1023caa000 R08: 00007f1023ca9010 R09: 0000[ 86.168575] ------------[ cut here ]------------ 000000000000 # [ 82.826416] R10: 00007f1023eb41c0 R11: 000000[ 86.179990] refcount_t: saturated; leaking memory. 0000000246 R12: 0000000000000001 # [ 82.834421] R13: 00000000[ 86.191718] WARNING: CPU: 3 PID: 2149 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 00000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.8[ 86.207293] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 42437] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec[ 86.229516] CPU: 3 PID: 2149 Comm: cat Tainted: G D W 5.10.124-cip9 #1 _lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cro[ 86.244337] Hardware name: Google Coral/Coral, BIOS 09/29/2020 s_ec_dev cros_usbpd_notify # [ 82.858469] CR2: ffffffffa553c3[ 86.257235] RIP: 0010:refcount_warn_saturate+0x87/0xf0 28 # [ 82.862192] ---[ end trace 1c30a07334de3588 ]--- # [ [ 86.269272] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b 82.867374] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.871773] Code:[ 86.296593] RSP: 0018:ffffb680427dfe38 EFLAGS: 00010282 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 [ 86.308686] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <[ 86.322946] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 [ 86.337222] RBP: ffffffffa54bff68 R08: 0000000000000000 R09: 0000000000000000 02 # [ 82.892837] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286[ 86.351464] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 82.898699] RAX: ffffffffa44b2130 RBX: 0000000000000001 R[ 86.365745] R13: ffffb680427dff10 R14: ffffb680427dff10 R15: ffff90a7834cf000 CX: 0000000000000000 # [ 82.906703] RDX: 0000000000000000 RSI[ 86.379979] FS: 00007f7e1db2c580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 : ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 82.914708] RBP: [ 86.395327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 86.408011] CR2: 00007f7e1d945000 CR3: 0000000103f6e000 CR4: 00000000003506e0 [ 82.922711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 86.422288] Call Trace: 0000000000000004 # [ 82.930714] R13: ffffb68041347f10 R14: ff[ 86.431359] __refcount_add_not_zero.constprop.0+0x2a/0x31 ffb68041347f10 R15: ffff90a78316f000 # [ 82.938718] FS: 0000[ 86.443990] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 7f1023e91580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000[ 86.456255] direct_entry.cold+0x2c/0x38 000 # [ 82.947793] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 86.467089] full_proxy_write+0x56/0x80 0050033 # [ 82.954241] CR2: ffffffffa553c328 CR3: 00000001033[ 86.477441] vfs_write+0xea/0x390 be000 CR4: 00000000003506e0 # [ 82.962249] BUG: sleeping func[ 86.487432] ksys_write+0x68/0xe0 tion called from invalid context at include/linux/percpu-rwsem.h[ 86.497468] do_syscall_64+0x33/0x40 :49 # [ 82.972204] in_atomic(): 0, irqs_disabled(): 1, non_bl[ 86.507634] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ock: 0, pid: 1983, name: cat # [ 82.980698] INFO: lockdep is [ 86.519731] RIP: 0033:0x7f7e1da54f33 turned off. # [ 82.985095] irq event stamp: 0 # [ 82.98852[ 86.529925] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 2] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 86.557240] RSP: 002b:00007ffcfc718db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 82.995559] hardirqs last disabled at (0): [][ 86.571892] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7e1da54f33 copy_process+0x63c/0x1c80 # [ 83.004736] softirqs last enab[ 86.586213] RDX: 000000000000001f RSI: 00007f7e1d945000 RDI: 0000000000000001 led at (0): [] copy_process+0x63c/0x1c80 # [ [ 86.600403] RBP: 00007f7e1d945000 R08: 00007f7e1d944010 R09: 0000000000000000 83.013914] softirqs last disabled at (0): [<0000000000000000>][ 86.614675] R10: 00007f7e1db4f1c0 R11: 0000000000000246 R12: 0000000000000001 0x0 # [ 83.020948] CPU: 1 PID: 1983 Comm: cat Tainted: G [ 86.628894] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D W 5.10.124-cip9 #1 # [ 83.029536] Hardware name: [ 86.643272] irq event stamp: 0 Google Coral/Coral, BIOS 09/29/2020 # [ 83.036176] Call Trac[ 86.652794] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e: # [ 83.038921] dump_stack+0x77/0x97 # [ 83.042640] __[ 86.666198] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 _might_sleep.cold+0xa6/0xb6 # [ 83.047237] exit_signals+0x1c[ 86.681626] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 /0x2d0 # [ 83.051253] do_exit+0xd5/0xb00 # [ 83.054779] [ 86.697031] softirqs last disabled at (0): [<0000000000000000>] 0x0 ? ksys_write+0x68/0xe0 # [ 83.058699] rewind_stack_do_exit+0[ 86.710329] ---[ end trace 1c30a07334de358d ]--- x17/0x20 # [ 83.063392] RIP: 0033:0x7f1023db9f33 # [ 83.06[ 86.721768] lkdtm: Overflow detected: saturated 7401] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.088466] RSP: 002b:00007ffe3a22d058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.096963] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1023db9f33 # [ 83.104970] RDX: 0000000000000014 RSI: 00007f1023caa000 RDI: 0000000000000001 # [ 83.112976] RBP: 00007f1023caa000 R08: 00007f1023ca9010 R09: 0000000000000000 # [ 83.120981] R10: 00007f1023eb41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.128986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 83.460381] lkdtm: Performing direct entry WRITE_KERN # [ 83.467144] lkdtm: attempting bad 6580285 byte write at ffffffffa4af8d3d # [ 83.474715] BUG: unable to handle page fault for address: ffffffffa4af8d3d # [ 83.482431] #PF: supervisor write access in kernel mode # [ 83.488292] #PF: error_code(0x0003) - permissions violation # [ 83.500778] PGD 119c29067 P4D 119c29067 PUD 119c2a063 PMD 1190001e1 # [ 83.514156] Oops: 0003 [#16] SMP PTI # [ 83.518161] CPU: 1 PID: 2018 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 83.526748] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.533397] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 83.538580] Code: 53 48 c7 c3 3d 8d af a4 49 89 dc 48 89 da 49 81 ec 00 25 4b a4 4c 89 e6 e8 09 9f fd ff 48 89 df 4c 89 e1 48 c7 c6 00 25 4b a4 a4 48 c7 c7 e0 10 4c a5 e8 ee 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 83.559646] RSP: 0018:ffffb680425ffe50 EFLAGS: 00010246 # [ 83.565509] RAX: 000000000000003c RBX: ffffffffa4af8d3d RCX: 000000000064683d # [ 83.573516] RDX: 0000000000000000 RSI: ffffffffa44b2500 RDI: ffffffffa4af8d3d # [ 83.581520] RBP: ffffffffa54c02ea R08: 0000000000000000 R09: 0000000000000000 # [ 83.589525] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000064683d # [ 83.597528] R13: ffffb680425fff10 R14: ffffb680425fff10 R15: ffff90a7834e6000 # [ 83.605535] FS: 00007efd2a52d580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 83.614613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.621056] CR2: ffffffffa4af8d3d CR3: 0000000104fd2000 CR4: 00000000003506e0 # [ 83.629058] Call Trace: # [ 83.631811] direct_entry.cold+0x2c/0x38 # [ 83.636221] full_proxy_write+0x56/0x80 # [ 83.640530] vfs_write+0xea/0x390 # [ 83.650474] ksys_write+0x68/0xe0 # [ 83.654198] do_syscall_64+0x33/0x40 # [ 83.658211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 83.663881] RIP: 0033:0x7efd2a455f33 # [ 83.667892] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.688958] RSP: 002b:00007ffc8e37b368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.697455] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efd2a455f33 # [ 83.705460] RDX: 000000000000000b RS[ 87.047391] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 87.057480] lkdtm: attempting good refcount_dec() [ 87.062795] lkdtm: attempting bad refcount_dec() to zero I: 00007efd2a346000 RDI: 0000000000000001 # [ 83.713466] RBP:[ 87.068774] ------------[ cut here ]------------ [ 87.080192] refcount_t: decrement hit 0; leaking memory. 00007efd2a346000 R08: 00007efd2a345010 R09: 0000000000000000 #[ 87.086218] WARNING: CPU: 2 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 87.101832] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.117907] CPU: 2 PID: 2181 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 87.126520] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.133188] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 87.138977] Code: ff 48 c7 c7 10 be 45 a5 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 45 a5 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 87.160068] RSP: 0018:ffffb68042897e48 EFLAGS: 00010286 [ 87.165954] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 87.173987] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 [ 87.182022] RBP: ffffffffa54c0321 R08: 0000000000000000 R09: 0000000000000000 [ 87.190050] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 87.198077] R13: ffffb68042897f10 R14: ffffb68042897f10 R15: ffff90a784d48000 [ 87.206105] FS: 00007fa758d5d580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 87.215205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.221672] CR2: 00007fa758b76000 CR3: 00000001027ee000 CR4: 00000000003506e0 [ 87.229696] Call Trace: [ 87.232472] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 [ 87.237490] direct_entry.cold+0x2c/0x38 [ 87.241922] full_proxy_write+0x56/0x80 [ 87.246261] vfs_write+0xea/0x390 [ 87.250006] ksys_write+0x68/0xe0 [ 87.253754] do_syscall_64+0x33/0x40 [ 87.257794] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.263488] RIP: 0033:0x7fa758c85f33 [ 87.267522] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 87.288615] RSP: 002b:00007ffcd42c7288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.297136] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa758c85f33 [ 87.305169] RDX: 0000000000000012 RSI: 00007fa758b76000 RDI: 0000000000000001 [ 87.313201] RBP: 00007fa758b76000 R08: 00007fa758b75010 R09: 0000000000000000 [ 87.321225] R10: 00007fa758d801c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.721470] R10: 00007efd2a5501c0 R11: 0000000000000246 R12:[ 87.329244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 87.343515] irq event stamp: 0 [ 87.346960] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000000001 # [ 83.729473] R13: 0000000000000001 R14: 0[ 87.354012] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 87.369410] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 000000000020000 R15: 0000000000020000 # [ 83.737486] Modules [ 87.378612] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.391885] ---[ end trace 1c30a07334de358e ]--- [ 87.397082] lkdtm: Zero detected: saturated linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.753515] CR2: ffffffffa4af8d3d # [ 83.757237] ---[ end trace 1c30a07334de3589 ]--- # [ 83.762418] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 83.766810] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 83.787854] RSP: 0018:ffffb68041347e60 EFLAGS: 00010286 # [ 83.793714] RAX: ffffffffa44b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83.801712] RDX: 0000000000000000 RSI: ffff90a7fbd9bf70 RDI: ffffffffa50d9a70 # [ 83.809713] RBP: ffffffffa551b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 83.817705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 83.825700] R13: ffffb68041347f10 R14: ffffb68041347f10 R15: ffff90a78316f000 # [ 83.833704] FS: 00007efd2a52d580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 83.842778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.849220] CR2: ffffffffa4af8d3d CR3: 0000000104fd2000 CR4: 00000000003506e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 84.177347] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 84.188378] lkdtm: attempting good refcount_inc() without overflow # [ 84.195342] lkdtm: attempting bad refcount_inc() overflow # [ 84.201419] ------------[ cut here ]------------ # [ 84.206620] refcount_t: saturated; leaking memory. # [ 84.212063] WARNING: CPU: 1 PID: 2053 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 84.221453] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.237524] CPU: 1 PID: 2053 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 84.246138] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.252811] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 84.258602] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 45 a5 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a # [ 84.279695] RSP: 0018:ffffb6804266fe48 EFLAGS: 00010286 # [ 84.285578] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 84.293608] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 # [ 84.301645] RBP: ffffffffa54c02f5 R08: 0000000000000000 R09: 0000000000000000 # [ 84.309672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 84.317701] R13: ffffb6804266ff10 R14: ffffb6804266ff10 R15: ffff90a78275c000 # [ 84.325730] FS: 00007f6bdc67e580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 84.334829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.341299] CR2: 00007f6bdc497000 CR3: 000000010565a000 CR4: 00000000003506e0 # [ 84.349325] Call Trace: # [ 84.352106] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 84.357511] direct_entry.cold+0x2c/0x38 # [ 84.361956] full_proxy_write+0x56/0x80 # [ 84.366299] vfs_write+0xea/0x390 # [ 84.370046] ksys_write+0x68/0xe0 # [ 84.373794] do_syscall[ 87.729362] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 87.739193] lkdtm: attempting bad refcount_dec() below zero [ 87.745469] ------------[ cut here ]------------ _64+0x33/0x40 # [ 84.377834] entry_SYSCALL_64_after_hwframe+[ 87.750672] refcount_t: decrement hit 0; leaking memory. [ 87.762929] WARNING: CPU: 1 PID: 2216 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 0x44/0xa9 # [ 84.383531] RIP: 0033:0x7f6bdc5a6f33 # [ 84.3[ 87.772321] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.794573] CPU: 1 PID: 2216 Comm: cat Tainted: G D W 5.10.124-cip9 #1 87575] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff [ 87.803235] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.816165] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 87.821943] Code: ff 48 c7 c7 10 be 45 a5 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 45 a5 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 87.843013] RSP: 0018:ffffb68042917e48 EFLAGS: 00010286 [ 87.848886] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 87.856900] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 [ 87.864918] RBP: ffffffffa54c0333 R08: 0000000000000000 R09: 0000000000000000 [ 87.872939] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 87.880960] R13: ffffb68042917f10 R14: ffffb68042917f10 R15: ffff90a785782000 [ 87.888982] FS: 00007f9f52895580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 87.898081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.904548] CR2: 00007f9f526ae000 CR3: 00000001033f2000 CR4: 00000000003506e0 [ 87.912565] Call Trace: [ 87.915339] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 87.920742] direct_entry.cold+0x2c/0x38 [ 87.925171] full_proxy_write+0x56/0x80 [ 87.929500] vfs_write+0xea/0x390 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 87.933243] ksys_write+0x68/0xe0 [ 87.943208] do_syscall_64+0x33/0x40 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 87.947243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.959145] RIP: 0033:0x7f9f527bdf33 [ 87.963170] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 48 89 54 24 18 # [ 84.408662] RSP: 002b:00007ffff077c3d8 EFLA[ 87.984239] RSP: 002b:00007fff15c5bcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.998970] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9f527bdf33 [ 88.006994] RDX: 0000000000000016 RSI: 00007f9f526ae000 RDI: 0000000000000001 [ 88.015016] RBP: 00007f9f526ae000 R08: 00007f9f526ad010 R09: 0000000000000000 GS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.417180] RAX: f[ 88.023042] R10: 00007f9f528b81c0 R11: 0000000000000246 R12: 0000000000000001 fffffffffffffda RBX: 0000000000000016 RCX: 00007f6bdc5a6f33 # [[ 88.037281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.051539] irq event stamp: 0 [ 88.054987] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 88.062036] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 88.071219] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 88.080412] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.087455] ---[ end trace 1c30a07334de358f ]--- [ 88.092648] lkdtm: Negative detected: saturated 84.425213] RDX: 0000000000000016 RSI: 00007f6bdc497000 RDI: 0000000000000001 # [ 84.433248] RBP: 00007f6bdc497000 R08: 00007f6bdc496010 R09: 0000000000000000 # [ 84.441278] R10: 00007f6bdc6a11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 84.449307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.457351] irq event stamp: 0 # [ 84.467040] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.480314] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.489522] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.498726] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.505777] ---[ end trace 1c30a07334de358a ]--- # [ 84.510976] 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 # [ 84.810649] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 84.822405] lkdtm: attempting good refcount_add() without overflow # [ 84.829375] lkdtm: attempting bad refcount_add() overflow # [ 84.835455] ------------[ cut here ]------------ # [ 84.846878] refcount_t: saturated; leaking memory. # [ 84.852324] WARNING: CPU: 2 PID: 2085 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 84.861713] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.884017] CPU: 2 PID: 2085 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 84.892652] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.905513] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 84.911303] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 45 a5 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a # [ 84.932390] RSP: 0018:ffffb680426ffe48 EFLAGS: 00010286 # [ 84.938275] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 84.946303] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 # [ 84.954332] RBP: ffffffffa54c030b R08: 0000000000000000 R09: 0000000000000000 # [ 84.962362] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 84.970388] R13: ffffb680426fff10 R14: ffffb680426fff10 R15: ffff90a7834d1000 # [ 84.978409] FS: 00007f62f1f60580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 84.987507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.993963] CR2: 00007f62f1d79000 CR3: 0000000104f56000 CR4: 00000000003506e0 # [ 85.001986] Call Trace: # [ 85.004764] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 85.010172] direct_entry.cold+0x2c/0x38 # [ 85.014604] full_proxy_write+0x56/0x80 # [ 85.018939] vfs_write+0xea/0x390 # [ 85.022684] ksys_write+0x68/0xe0 # [ 85.026434] do_syscall_64+0x33/0x40 # [ 85.030471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.036166] RIP: 0033:0x7f62f1e88f33 # [ 85.040200] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[ 88.416551] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 88.429800] lkdtm: attempting bad refcount_dec_and_test() below zero [ 88.436967] ------------[ cut here ]------------ [ 88.442170] refcount_t: underflow; use-after-free. [ 88.447612] WARNING: CPU: 1 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 88.457012] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 88.473065] CPU: 1 PID: 2251 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 88.481679] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.488345] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 88.494139] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 45 [ 88.515233] RSP: 0018:ffffb68042997e40 EFLAGS: 00010286 [ 88.521126] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 88.529150] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 [ 88.537176] RBP: ffffffffa54bff88 R08: 0000000000000000 R09: 0000000000000000 [ 88.545209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 88.553234] R13: ffffb68042997f10 R14: ffffb68042997f10 R15: ffff90a7834e3000 [ 88.561261] FS: 00007f5095857580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 88.570362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.576828] CR2: 00007f5095670000 CR3: 000000010331c000 CR4: 00000000003506e0 [ 88.584841] Call Trace: [ 88.587617] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 88.593801] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 [ 88.600083] direct_entry.cold+0x2c/0x38 [ 88.604506] full_proxy_write+0x56/0x80 [ 88.608844] vfs_write+0xea/0x390 [ 88.612588] ksys_write+0x68/0xe0 [ 88.616334] do_syscall_64+0x33/0x40 [ 88.620362] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.626060] RIP: 0033:0x7f509577ff33 [ 88.630094] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 88.651185] RSP: 002b:00007ffe30b90598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.659702] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f509577ff33 [ 88.667729] RDX: 000000000000001f RSI: 00007f5095670000 RDI: 0000000000000001 [ 88.675761] RBP: 00007f5095670000 R08: 00007f509566f010 R09: 0000000000000000 [ 88.683785] R10: 00007f509587a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 88.691806] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 54 24 18 # [ 85.061285] RSP: 002b:00007ffed8383888 EFLAGS: 0[ 88.699830] irq event stamp: 0 [ 88.709475] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000246 ORIG_RAX: 0000000000000001 # [ 85.069800] RAX: ffffff[ 88.716520] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 88.731948] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 88.741150] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.748202] ---[ end trace 1c30a07334de3590 ]--- [ 88.753396] lkdtm: Negative detected: saturated ffffffffda RBX: 0000000000000016 RCX: 00007f62f1e88f33 # [ 85.077829] RDX: 0000000000000016 RSI: 00007f62f1d79000 RDI: 0000000000000001 # [ 85.085856] RBP: 00007f62f1d79000 R08: 00007f62f1d78010 R09: 0000000000000000 # [ 85.093875] R10: 00007f62f1f831c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.101902] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.109951] irq event stamp: 0 # [ 85.119597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.132883] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.142088] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.151290] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.158343] ---[ end trace 1c30a07334de358b ]--- # [ 85.163543] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 85.471421] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 85.482087] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 85.489074] ------------[ cut here ]------------ # [ 85.494268] refcount_t: saturated; leaking memory. # [ 85.499710] WARNING: CPU: 2 PID: 2117 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 85.515288] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.537590] CPU: 2 PID: 2117 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 85.546231] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.559171] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 85.564967] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b # [ 85.586059] RSP: 0018:ffffb68042787e38 EFLAGS: 00010282 # [ 85.591949] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 85.599977] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 # [ 85.608007] RBP: ffffffffa54bff48 R08: 0000000000000000 R09: 0000000000000000 # [ 85.616037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 85.624067] R13: ffffb68042787f10 R14: ffffb68042787f10 R15: ffff90a783430000 # [ 85.632098] FS: 00007f9de6f70580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 85.641198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.647664] CR2: 00007f9de6d89000 CR3: 000000010350c000 CR4: 00000000003506e0 # [ 85.655688] Call Trace: # [ 85.658458] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 85.664644] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 85.670922] direct_entry.cold+0x2c/0x38 # [ 85.675352] full_proxy_write+0x56/0x80 # [ 85.679684] vfs_write+0xea/0x390 # [ 85.683423] ksys_write+0x68/0xe0 # [ 85.687174] do_syscall_64+0x33/0x40 # [ 85.691213] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.696896] RIP: 0033:0x7f9de6e98f33 # [ 85.700932] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c[ 89.081590] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 89.090667] lkdtm: attempting bad refcount_sub_and_test() below zero [ 89.097830] ------------[ cut here ]------------ 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f [ 89.103034] refcount_t: underflow; use-after-free. 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.722022] RSP: 002b:000[ 89.114696] WARNING: CPU: 2 PID: 2286 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 07ffee571b808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 89.130325] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 85.730543] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 000[ 89.152659] CPU: 2 PID: 2286 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 89.167536] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.174208] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 89.179995] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 45 [ 89.201079] RSP: 0018:ffffb6804296fe40 EFLAGS: 00010286 [ 89.206966] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 89.214991] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 [ 89.223016] RBP: ffffffffa54bffa8 R08: 0000000000000000 R09: 0000000000000000 [ 89.231041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 89.239066] R13: ffffb6804296ff10 R14: ffffb6804296ff10 R15: ffff90a7827f8000 [ 89.247090] FS: 00007fde897c3580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 89.256186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.262650] CR2: 00007fde895dc000 CR3: 00000001033aa000 CR4: 00000000003506e0 [ 89.270674] Call Trace: [ 89.273449] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 89.279633] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 89.285912] direct_entry.cold+0x2c/0x38 [ 89.290341] full_proxy_write+0x56/0x80 [ 89.294674] vfs_write+0xea/0x390 [ 89.298407] ksys_write+0x68/0xe0 [ 89.302151] do_syscall_64+0x33/0x40 [ 89.306177] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.311866] RIP: 0033:0x7fde896ebf33 [ 89.315897] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 89.336976] RSP: 002b:00007ffc46451bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.345487] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fde896ebf33 [ 89.353509] RDX: 000000000000001f RSI: 00007fde895dc000 RDI: 0000000000000001 [ 89.361530] RBP: 00007fde895dc000 R08: 00007fde895db010 R09: 0000000000000000 [ 89.369553] R10: 00007fde897e61c0 R11: 0000000000000246 R12: 0000000000000001 07f9de6e98f33 # [ 85.738574] RDX: 000000000000001f RSI: 00007[ 89.377582] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f9de6d89000 RDI: 0000000000000001 # [ 85.746604] RBP: 00007f9[ 89.391831] irq event stamp: 0 [ 89.401500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.408561] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 89.417760] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 89.426956] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.433994] ---[ end trace 1c30a07334de3591 ]--- [ 89.439190] lkdtm: Negative detected: saturated de6d89000 R08: 00007f9de6d88010 R09: 0000000000000000 # [ 85.754632] R10: 00007f9de6f931c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.762662] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.776917] irq event stamp: 0 # [ 85.786590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.793653] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.802850] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.812045] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.819089] ---[ end trace 1c30a07334de358c ]--- # [ 85.824288] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 86.143990] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 86.155379] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 86.168575] ------------[ cut here ]------------ # [ 86.179990] refcount_t: saturated; leaking memory. # [ 86.191718] WARNING: CPU: 3 PID: 2149 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 86.207293] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.229516] CPU: 3 PID: 2149 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 86.244337] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.257235] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 86.269272] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b # [ 86.296593] RSP: 0018:ffffb680427dfe38 EFLAGS: 00010282 # [ 86.308686] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 86.322946] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 86.337222] RBP: ffffffffa54bff68 R08: 0000000000000000 R09: 0000000000000000 # [ 86.351464] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.365745] R13: ffffb680427dff10 R14: ffffb680427dff10 R15: ffff90a7834cf000 # [ 86.379979] FS: 00007f7e1db2c580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 86.395327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.408011] CR2: 00007f7e1d945000 CR3: 0000000103f6e000 CR4: 00000000003506e0 # [ 86.422288] Call Trace: # [ 86.431359] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 86.443990] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 86.456255] direct_entry.cold+0x2c/0x38 # [ 86.467089] full_proxy_write+0x56/0x80 # [ 86.477441] vfs_write+0xea/0x390 # [ 86.487432] ksys_write+0x68/0xe0 # [ 86.497468] do_syscall_64+0x33/0x40 # [ 86.507634] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 86.519731] RIP: 0033:0x7f7e1da54f33 # [ 86.529925] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[ 89.756672] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 54 24 18 # [ 86.557240] RSP: 002b:00007ffcfc718db8 EFLAGS: 0[ 89.768989] lkdtm: attempting safe refcount_inc_not_zero() from zero 0000246 ORIG_RAX: 0000000000000001 # [ 86.571892] RAX: ffffff[ 89.782389] lkdtm: Good: zero detected ffffffffda RBX: 000000000000001f RCX: 00007f7e1da54f33 # [ 86[ 89.792858] lkdtm: Correctly stayed at zero .586213] RDX: 000000000000001f RSI: 00007f7e1d945000 RDI: 000000[ 89.803774] lkdtm: attempting bad refcount_inc() from zero 0000000001 # [ 86.600403] RBP: 00007f7e1d945000 R08: 00007f7e[ 89.816393] ------------[ cut here ]------------ 1d944010 R09: 0000000000000000 # [ 86.614675] R10: 00007f7e1d[ 89.827636] refcount_t: addition on 0; use-after-free. b4f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.628[ 89.840016] WARNING: CPU: 3 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 894] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000[ 89.855250] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 020000 # [ 86.643272] irq event stamp: 0 # [ 86.652794] ha[ 89.877659] CPU: 3 PID: 2318 Comm: cat Tainted: G D W 5.10.124-cip9 #1 rdirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.[ 89.892355] Hardware name: Google Coral/Coral, BIOS 09/29/2020 666198] hardirqs last disabled at (0): [] copy[ 89.905254] RIP: 0010:refcount_warn_saturate+0x68/0xf0 _process+0x63c/0x1c80 # [ 86.681626] softirqs last enabled a[ 89.917244] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d t (0): [] copy_process+0x63c/0x1c80 # [ 86.[ 89.944567] RSP: 0018:ffffb68042abfe48 EFLAGS: 00010286 697031] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 89.956673] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 86.710329] ---[ end trace 1c30a07334de358d ]--- # [ 86[ 89.970933] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 .721768] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT[ 89.985164] RBP: ffffffffa54c0349 R08: 0000000000000000 R09: 0000000000000000 _ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: R[ 89.999456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 EFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_D[ 90.013684] R13: ffffb68042abff10 R14: ffffb68042abff10 R15: ffff90a7834cc000 EC_ZERO.sh # [ 87.047391] lkdtm: Performing direct entry REFC[ 90.027951] FS: 00007fd3053ab580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 OUNT_DEC_ZERO # [ 87.057480] lkdtm: attempting good refcount_[ 90.043254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 dec() # [ 87.062795] lkdtm: attempting bad refcount_dec() to [ 90.055980] CR2: 00007fd3051c4000 CR3: 00000001057a0000 CR4: 00000000003506e0 zero # [ 87.068774] ------------[ cut here ]------------ # [[ 90.070204] Call Trace: 87.080192] refcount_t: decrement hit 0; leaking memory. # [ [ 90.079242] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd 87.086218] WARNING: CPU: 2 PID: 2181 at lib/refcount.c:31 refc[ 90.090435] direct_entry.cold+0x2c/0x38 ount_warn_saturate+0xdf/0xf0 # [ 87.101832] Modules linked in[ 90.101113] full_proxy_write+0x56/0x80 : fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_charde[ 90.111648] vfs_write+0xea/0x390 v cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 90.121642] ksys_write+0x68/0xe0 fy # [ 87.117907] CPU: 2 PID: 2181 Comm: cat Tainted: G [ 90.131538] do_syscall_64+0x33/0x40 D W 5.10.124-cip9 #1 # [ 87.126520] Hardware name: Go[ 90.141771] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ogle Coral/Coral, BIOS 09/29/2020 # [ 87.133188] RIP: 0010:r[ 90.153757] RIP: 0033:0x7fd3052d3f33 efcount_warn_saturate+0xdf/0xf0 # [ 87.138977] Code: ff 48 c7[ 90.163970] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c7 10 be 45 a5 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 [ 90.191266] RSP: 002b:00007ffd7e948a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c7 c7 e0 bd 45 a5 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3[ 90.205955] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd3052d3f33 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ [ 90.220249] RDX: 0000000000000012 RSI: 00007fd3051c4000 RDI: 0000000000000001 87.160068] RSP: 0018:ffffb68042897e48 EFLAGS: 00010286 # [ 8[ 90.234446] RBP: 00007fd3051c4000 R08: 00007fd3051c3010 R09: 0000000000000000 7.165954] RAX: 0000000000000000 RBX: 000000000000002f RCX: 00000[ 90.248714] R10: 00007fd3053ce1c0 R11: 0000000000000246 R12: 0000000000000001 00000000000 # [ 87.173987] RDX: ffff90a7fbd2c660 RSI: ffff90a[ 90.262967] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7fbd1bf70 RDI: ffff90a7fbd1bf70 # [ 87.182022] RBP: ffffffffa[ 90.277264] irq event stamp: 0 54c0321 R08: 0000000000000000 R09: 0000000000000000 # [ 87.19[ 90.286925] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0050] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 90.300191] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0000012 # [ 87.198077] R13: ffffb68042897f10 R14: ffffb680428[ 90.315619] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 97f10 R15: ffff90a784d48000 # [ 87.206105] FS: 00007fa758d5d[ 90.331007] softirqs last disabled at (0): [<0000000000000000>] 0x0 580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ [ 90.344295] ---[ end trace 1c30a07334de3592 ]--- 87.215205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.355701] lkdtm: Zero detected: saturated # [ 87.221672] CR2: 00007fa758b76000 CR3: 00000001027ee000 CR4: 00000000003506e0 # [ 87.229696] Call Trace: # [ 87.232472] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 87.237490] direct_entry.cold+0x2c/0x38 # [ 87.241922] full_proxy_write+0x56/0x80 # [ 87.246261] vfs_write+0xea/0x390 # [ 87.250006] ksys_write+0x68/0xe0 # [ 87.253754] do_syscall_64+0x33/0x40 # [ 87.257794] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.263488] RIP: 0033:0x7fa758c85f33 # [ 87.267522] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.288615] RSP: 002b:00007ffcd42c7288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.297136] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa758c85f33 # [ 87.305169] RDX: 0000000000000012 RSI: 00007fa758b76000 RDI: 0000000000000001 # [ 87.313201] RBP: 00007fa758b76000 R08: 00007fa758b75010 R09: 0000000000000000 # [ 87.321225] R10: 00007fa758d801c0 R11: 0000000000000246 R12: 0000000000000001 # [ 87.329244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.343515] irq event stamp: 0 # [ 87.346960] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.354012] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.369410] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.378612] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.391885] ---[ end trace 1c30a07334de358e ]--- # [ 87.397082] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 87.729362] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 87.739193] lkdtm: attempting bad refcount_dec() below zero # [ 87.745469] ------------[ cut here ]------------ # [ 87.750672] refcount_t: decrement hit 0; leaking memory. # [ 87.762929] WARNING: CPU: 1 PID: 2216 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 87.772321] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.794573] CPU: 1 PID: 2216 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 87.803235] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.816165] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 87.821943] Code: ff 48 c7 c7 10 be 45 a5 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 45 a5 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 87.843013] RSP: 0018:ffffb68042917e48 EFLAGS: 00010286 # [ 87.848886] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 87.856900] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 # [ 87.864918] RBP: ffffffffa54c0333 R08: 0000000000000000 R09: 0000000000000000 # [ 87.872939] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 87.880960] R13: ffffb68042917f10 R14: ffffb68042917f10 R15: ffff90a785782000 # [ 87.888982] FS: 00007f9f52895580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 87.898081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.904548] CR2: [ 90.700174] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 90.709921] lkdtm: attempting safe refcount_add_not_zero() from zero [ 90.717101] lkdtm: Good: zero detected [ 90.721334] lkdtm: Correctly stayed at zero [ 90.726047] lkdtm: attempting bad refcount_add() from zero [ 90.732222] ------------[ cut here ]------------ [ 90.737415] refcount_t: addition on 0; use-after-free. 00007f9f526ae000 CR3: 00000001033f2000 CR4: 00000000003506e0 # [ 90.743255] WARNING: CPU: 1 PID: 2350 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 [ 90.758853] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 90.774915] CPU: 1 PID: 2350 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 90.783520] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 90.790185] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 90.795966] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d [ 90.817034] RSP: 0018:ffffb68042b27e48 EFLAGS: 00010286 [ 90.822911] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 90.830944] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 [ 90.838977] RBP: ffffffffa54c035b R08: 0000000000000000 R09: 0000000000000000 [ 90.847006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 90.855034] R13: ffffb68042b27f10 R14: ffffb68042b27f10 R15: ffff90a783326000 [ 90.863063] FS: 00007f0d81058580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 90.872161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.878629] CR2: 00007f0d80e71000 CR3: 0000000104fae000 CR4: 00000000003506e0 [ 90.886657] Call Trace: [ 90.889436] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 90.894452] direct_entry.cold+0x2c/0x38 [ 90.898893] full_proxy_write+0x56/0x80 [ 87.912565] Call Trace: # [ 87.915339] lkdtm_REFCOUNT_DEC[ 90.903236] vfs_write+0xea/0x390 [ 90.913219] ksys_write+0x68/0xe0 [ 90.916969] do_syscall_64+0x33/0x40 [ 90.921006] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.926699] RIP: 0033:0x7f0d80f80f33 [ 90.930745] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 90.951837] RSP: 002b:00007fff45ca9788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.960364] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0d80f80f33 [ 90.968397] RDX: 0000000000000012 RSI: 00007f0d80e71000 RDI: 0000000000000001 _NEGATIVE+0x37/0x5d # [ 87.920742] direct_entry.cold+0x2c/0x[ 90.976442] RBP: 00007f0d80e71000 R08: 00007f0d80e70010 R09: 0000000000000000 38 # [ 87.925171] full_proxy_write+0x56/0x80 # [ 87.92950[ 90.990708] R10: 00007f0d8107b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 91.004961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 91.013002] irq event stamp: 0 [ 91.016454] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.023512] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 91.032725] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 91.041917] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.048968] ---[ end trace 1c30a07334de3593 ]--- [ 91.054166] lkdtm: Zero detected: saturated 0] vfs_write+0xea/0x390 # [ 87.933243] ksys_write+0x68/0xe0 # [ 87.943208] do_syscall_64+0x33/0x40 # [ 87.947243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.959145] RIP: 0033:0x7f9f527bdf33 # [ 87.963170] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.984239] RSP: 002b:00007fff15c5bcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.998970] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9f527bdf33 # [ 88.006994] RDX: 0000000000000016 RSI: 00007f9f526ae000 RDI: 0000000000000001 # [ 88.015016] RBP: 00007f9f526ae000 R08: 00007f9f526ad010 R09: 0000000000000000 # [ 88.023042] R10: 00007f9f528b81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.037281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.051539] irq event stamp: 0 # [ 88.054987] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.062036] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.071219] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.080412] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.087455] ---[ end trace 1c30a07334de358f ]--- # [ 88.092648] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 88.416551] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 88.429800] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 88.436967] ------------[ cut here ]------------ # [ 88.442170] refcount_t: underflow; use-after-free. # [ 88.447612] WARNING: CPU: 1 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 88.457012] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.473065] CPU: 1 PID: 2251 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 88.481679] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.488345] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 88.494139] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 45 # [ 88.515233] RSP: 0018:ffffb68042997e40 EFLAGS: 00010286 # [ 88.521126] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 88.529150] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 # [ 88.537176] RBP: ffffffffa54bff88 R08: 0000000000000000 R09: 0000000000000000 # [ 88.545209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 88.553234] R13: ffffb68042997f10 R14: ffffb68042997f10 R15: ffff90a7834e3000 # [ 88.561261] FS: 00007f5095857580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 88.570362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.576828] CR2: 00007f5095670000 CR3: 000000010331c000 CR4: 00000000003506e0 # [ 88.584841] Call Trace: # [ 88.587617] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 88.593801] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 88.600083] direct_entry.cold+0x2c/0x38 # [ 88.604506] [ 91.399199] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED full_proxy_write+0x56/0x80 # [ 88.608844] vfs_write+0xea/0x3[ 91.409061] lkdtm: attempting bad refcount_inc() from saturated 90 # [ 88.612588] ksys_write+0x68/0xe0 # [ 88.616334] do[ 91.421953] ------------[ cut here ]------------ _syscall_64+0x33/0x40 # [ 88.620362] entry_SYSCALL_64_after_[ 91.433415] refcount_t: saturated; leaking memory. hwframe+0x44/0xa9 # [ 88.626060] RIP: 0033:0x7f509577ff33 # [ 91.445106] WARNING: CPU: 3 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 88.630094] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 f[ 91.460680] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8[ 91.482917] CPU: 3 PID: 2385 Comm: cat Tainted: G D W 5.10.124-cip9 #1 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8[ 91.497726] Hardware name: Google Coral/Coral, BIOS 09/29/2020 3 ec 28 48 89 54 24 18 # [ 88.651185] RSP: 002b:00007ffe30b90[ 91.510637] RIP: 0010:refcount_warn_saturate+0x49/0xf0 598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.659702[ 91.522637] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 45 a5 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a ] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f509577f[ 91.549971] RSP: 0018:ffffb68042b87e48 EFLAGS: 00010286 f33 # [ 88.667729] RDX: 000000000000001f RSI: 00007f509567000[ 91.562065] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 0 RDI: 0000000000000001 # [ 88.675761] RBP: 00007f5095670000 [ 91.576342] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 R08: 00007f509566f010 R09: 0000000000000000 # [ 88.683785] R1[ 91.590577] RBP: ffffffffa54c036d R08: 0000000000000000 R09: 0000000000000000 0: 00007f509587a1c0 R11: 0000000000000246 R12: 0000000000000001[ 91.604844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 88.691806] R13: 0000000000000001 R14: 0000000000020000 R1[ 91.619087] R13: ffffb68042b87f10 R14: ffffb68042b87f10 R15: ffff90a784ba4000 5: 0000000000020000 # [ 88.699830] irq event stamp: 0 # [ [ 91.633351] FS: 00007f9d46f13580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 88.709475] hardirqs last enabled at (0): [<0000000000000000>] 0[ 91.648690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 x0 # [ 88.716520] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 88.731948] softirqs la[ 91.675629] Call Trace: st enabled at (0): [] copy_process+0x63c/0x1c[ 91.684699] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 80 # [ 88.741150] softirqs last disabled at (0): [<0000000000[ 91.696664] direct_entry.cold+0x2c/0x38 000000>] 0x0 # [ 88.748202] ---[ end trace 1c30a07334de3590 ][ 91.707045] full_proxy_write+0x56/0x80 --- # [ 88.753396] lkdtm: Negative detected: saturated # REF[ 91.717872] vfs_write+0xea/0x390 COUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated':[ 91.727544] ksys_write+0x68/0xe0 ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh [ 91.737549] do_syscall_64+0x33/0x40 # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 89.[ 91.747870] entry_SYSCALL_64_after_hwframe+0x44/0xa9 081590] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEG[ 91.759718] RIP: 0033:0x7f9d46e3bf33 ATIVE # [ 89.090667] lkdtm: attempting bad refcount_sub_and_t[ 91.770024] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 est() below zero # [ 89.097830] ------------[ cut here ]-----[ 91.797301] RSP: 002b:00007ffffb66bf38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ------- # [ 89.103034] refcount_t: underflow; use-after-free.[ 91.812101] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9d46e3bf33 # [ 89.114696] WARNING: CPU: 2 PID: 2286 at lib/refcount.c:2[ 91.826287] RDX: 0000000000000017 RSI: 00007f9d46d2c000 RDI: 0000000000000001 8 refcount_warn_saturate+0xa6/0xf0 # [ 89.130325] Modules lin[ 91.840570] RBP: 00007f9d46d2c000 R08: 00007f9d46d2b010 R09: 0000000000000000 ked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_[ 91.854798] R10: 00007f9d46f361c0 R11: 0000000000000246 R12: 0000000000000001 chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 91.869093] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d_notify # [ 89.152659] CPU: 2 PID: 2286 Comm: cat Tainted: G[ 91.883321] irq event stamp: 0 D W 5.10.124-cip9 #1 # [ 89.167536] Hardware na[ 91.892999] hardirqs last enabled at (0): [<0000000000000000>] 0x0 me: Google Coral/Coral, BIOS 09/29/2020 # [ 89.174208] RIP: [ 91.906281] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0010:refcount_warn_saturate+0xa6/0xf0 # [ 89.179995] Code: 05[ 91.921746] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 [ 91.937136] softirqs last disabled at (0): [<0000000000000000>] 0x0 95 48 c7 c7 b8 bd 45 a5 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f>[ 91.950425] ---[ end trace 1c30a07334de3594 ]--- 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 45[ 91.961821] lkdtm: Saturation detected: still saturated # [ 89.201079] RSP: 0018:ffffb6804296fe40 EFLAGS: 00010286 # [ 89.206966] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 89.214991] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 # [ 89.223016] RBP: ffffffffa54bffa8 R08: 0000000000000000 R09: 0000000000000000 # [ 89.231041] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 89.239066] R13: ffffb6804296ff10 R14: ffffb6804296ff10 R15: ffff90a7827f8000 # [ 89.247090] FS: 00007fde897c3580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 89.256186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.262650] CR2: 00007fde895dc000 CR3: 00000001033aa000 CR4: 00000000003506e0 # [ 89.270674] Call Trace: # [ 89.273449] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 89.279633] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 89.285912] direct_entry.cold+0x2c/0x38 # [ 89.290341] full_proxy_write+0x56/0x80 # [ 89.294674] vfs_write+0xea/0x390 # [ 89.298407] ksys_write+0x68/0xe0 # [ 89.302151] do_syscall_64+0x33/0x40 # [ 89.306177] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.311866] RIP: 0033:0x7fde896ebf33 # [ 89.315897] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 89.336976] RSP: 002b:00007ffc46451bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.345487] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fde896ebf33 # [ 89.353509] RDX: 000000000000001f RSI: 00007fde895dc000 RDI: 0000000000000001 # [ 89.361530] RBP: 00007fde895dc000 R08: 00007fde895db010 R09: 0000000000000000 # [ 89.369553] R10: 00007fde897e61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.377582] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.391831] irq event stamp: 0 # [ 89.401500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.408561] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.417760] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.426956] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.433994] ---[ end trace 1c30a07334de3591 ]--- # [ 89.439190] 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 # [ 89.756672] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 89.768989] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 89.782389] lkdtm: Good: zero detected # [ 89.792858] lkdtm: Correctly stayed at zero # [ 89.803774] lkdtm: attempting bad refcount_inc() from zero # [ 89.816393] ------------[ cut here ]------------ # [ 89.827636] refcount_t: addition on 0; use-after-free. # [ 89.840016] WARNING: CPU: 3 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 89.855250] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.877659] CPU: 3 PID: 2318 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 89.892355] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.905254][ 92.309320] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 92.317520] lkdtm: attempting bad refcount_dec() from saturated [ 92.324196] ------------[ cut here ]------------ RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 89.917244] Co[ 92.329391] refcount_t: decrement hit 0; leaking memory. de: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 [ 92.341643] WARNING: CPU: 1 PID: 2420 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a 1e 76 01 01 e8 34 1c 93 0[ 92.357206] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.379504] CPU: 1 PID: 2420 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 92.388114] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 [ 92.394840] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 92.406901] Code: ff 48 c7 c7 10 be 45 a5 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 45 a5 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 92.427988] RSP: 0018:ffffb68042c17e48 EFLAGS: 00010286 [ 92.433870] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 92.441891] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 [ 92.449914] RBP: ffffffffa54c0384 R08: 0000000000000000 R09: 0000000000000000 [ 92.457937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 92.465962] R13: ffffb68042c17f10 R14: ffffb68042c17f10 R15: ffff90a784ba9000 [ 92.473989] FS: 00007fa2d553d580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 92.483085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.489549] CR2: 00007fa2d5356000 CR3: 0000000105660000 CR4: 00000000003506e0 [ 92.497565] Call Trace: [ 92.500340] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 92.505842] direct_entry.cold+0x2c/0x38 [ 92.510270] full_proxy_write+0x56/0x80 05 3d # [ 89.944567] RSP: 0018:ffffb68042abfe48 EFLAGS: 00010[ 92.514598] vfs_write+0xea/0x390 [ 92.524547] ksys_write+0x68/0xe0 [ 92.528294] do_syscall_64+0x33/0x40 [ 92.532329] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.538019] RIP: 0033:0x7fa2d5465f33 [ 92.542050] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 92.563133] RSP: 002b:00007ffd744fa808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.571645] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa2d5465f33 [ 92.579666] RDX: 0000000000000017 RSI: 00007fa2d5356000 RDI: 0000000000000001 [ 92.587687] RBP: 00007fa2d5356000 R08: 00007fa2d5355010 R09: 0000000000000000 [ 92.595707] R10: 00007fa2d55601c0 R11: 0000000000000246 R12: 0000000000000001 [ 92.603729] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 286 # [ 89.956673] RAX: 0000000000000000 RBX: 000000000000003[ 92.611770] irq event stamp: 0 [ 92.621414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.628458] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 92.637653] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 92.646848] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.653898] ---[ end trace 1c30a07334de3595 ]--- [ 92.659095] lkdtm: Saturation detected: still saturated 3 RCX: 0000000000000000 # [ 89.970933] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 89.985164] RBP: ffffffffa54c0349 R08: 0000000000000000 R09: 0000000000000000 # [ 89.999456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.013684] R13: ffffb68042abff10 R14: ffffb68042abff10 R15: ffff90a7834cc000 # [ 90.027951] FS: 00007fd3053ab580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 90.043254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.055980] CR2: 00007fd3051c4000 CR3: 00000001057a0000 CR4: 00000000003506e0 # [ 90.070204] Call Trace: # [ 90.079242] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 90.090435] direct_entry.cold+0x2c/0x38 # [ 90.101113] full_proxy_write+0x56/0x80 # [ 90.111648] vfs_write+0xea/0x390 # [ 90.121642] ksys_write+0x68/0xe0 # [ 90.131538] do_syscall_64+0x33/0x40 # [ 90.141771] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.153757] RIP: 0033:0x7fd3052d3f33 # [ 90.163970] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.191266] RSP: 002b:00007ffd7e948a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.205955] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd3052d3f33 # [ 90.220249] RDX: 0000000000000012 RSI: 00007fd3051c4000 RDI: 0000000000000001 # [ 90.234446] RBP: 00007fd3051c4000 R08: 00007fd3051c3010 R09: 0000000000000000 # [ 90.248714] R10: 00007fd3053ce1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.262967] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.277264] irq event stamp: 0 # [ 90.286925] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.300191] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.315619] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.331007] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.344295] ---[ end trace 1c30a07334de3592 ]--- # [ 90.355701] 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 # [ 90.700174] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 90.709921] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 90.717101] lkdtm: Good: zero detected # [ 90.721334] lkdtm: Correctly stayed at zero # [ 90.726047] lkdtm: attempting bad refcount_add() from zero # [ 90.732222] ------------[ cut here ]------------ # [ 90.737415] refcount_t: addition on 0; use-after-free. # [ 90.743255] WARNING: CPU: 1 PID: 2350 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 90.758853] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.774915] CPU: 1 PID: 2350 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 90.783520] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.790185] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 90.795966] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d # [ 90.817034] RSP: 0018:ffffb68042b27e48 EFLA[ 93.002376] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 93.015032] lkdtm: attempting bad refcount_dec() from saturated [ 93.021699] ------------[ cut here ]------------ GS: 00010286 # [ 90.822911] RAX: 0000000000000000 RBX: 000000[ 93.026899] refcount_t: saturated; leaking memory. [ 93.038565] WARNING: CPU: 2 PID: 2455 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 93.047954] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.064006] CPU: 2 PID: 2455 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 93.072616] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.079318] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 93.085137] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 45 a5 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a [ 93.106214] RSP: 0018:ffffb68042c87e48 EFLAGS: 00010286 [ 93.112098] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 93.120126] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 [ 93.128148] RBP: ffffffffa54c039b R08: 0000000000000000 R09: 0000000000000000 [ 93.136168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 93.144192] R13: ffffb68042c87f10 R14: ffffb68042c87f10 R15: ffff90a785c34000 [ 93.152218] FS: 00007f3807f49580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 93.161304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.167760] CR2: 00007f3807d62000 CR3: 0000000103242000 CR4: 00000000003506e0 [ 93.175781] Call Trace: [ 93.178555] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 [ 93.184056] direct_entry.cold+0x2c/0x38 [ 93.188484] full_proxy_write+0x56/0x80 [ 93.192814] vfs_write+0xea/0x390 [ 93.196555] ksys_write+0x68/0xe0 [ 93.200300] do_syscall_64+0x33/0x40 [ 93.204334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.210024] RIP: 0033:0x7f3807e71f33 [ 93.214058] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 93.235138] RSP: 002b:00007fffb522eaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.243647] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3807e71f33 [ 93.251666] RDX: 0000000000000017 RSI: 00007f3807d62000 RDI: 0000000000000001 [ 93.259681] RBP: 00007f3807d62000 R08: 00007f3807d61010 R09: 0000000000000000 [ 93.267697] R10: 00007f3807f6c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 93.275713] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 93.283744] irq event stamp: 0 [ 93.287179] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000034 RCX: 0000000000000000 # [ 90.830944] RDX: ffff90a7[ 93.294244] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 # [ 90.8[ 93.309646] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 93.325059] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.332108] ---[ end trace 1c30a07334de3596 ]--- [ 93.337306] lkdtm: Saturation detected: still saturated 38977] RBP: ffffffffa54c035b R08: 0000000000000000 R09: 0000000000000000 # [ 90.847006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.855034] R13: ffffb68042b27f10 R14: ffffb68042b27f10 R15: ffff90a783326000 # [ 90.863063] FS: 00007f0d81058580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 90.872161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.878629] CR2: 00007f0d80e71000 CR3: 0000000104fae000 CR4: 00000000003506e0 # [ 90.886657] Call Trace: # [ 90.889436] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 90.894452] direct_entry.cold+0x2c/0x38 # [ 90.898893] full_proxy_write+0x56/0x80 # [ 90.903236] vfs_write+0xea/0x390 # [ 90.913219] ksys_write+0x68/0xe0 # [ 90.916969] do_syscall_64+0x33/0x40 # [ 90.921006] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.926699] RIP: 0033:0x7f0d80f80f33 # [ 90.930745] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.951837] RSP: 002b:00007fff45ca9788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.960364] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0d80f80f33 # [ 90.968397] RDX: 0000000000000012 RSI: 00007f0d80e71000 RDI: 0000000000000001 # [ 90.976442] RBP: 00007f0d80e71000 R08: 00007f0d80e70010 R09: 0000000000000000 # [ 90.990708] R10: 00007f0d8107b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.004961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.013002] irq event stamp: 0 # [ 91.016454] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.023512] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.032725] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.041917] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.048968] ---[ end trace 1c30a07334de3593 ]--- # [ 91.054166] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 91.399199] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 91.409061] lkdtm: attempting bad refcount_inc() from saturated # [ 91.421953] ------------[ cut here ]------------ # [ 91.433415] refcount_t: saturated; leaking memory. # [ 91.445106] WARNING: CPU: 3 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 91.460680] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.482917] CPU: 3 PID: 2385 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 91.497726] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.510637] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 91.522637] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 45 a5 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a # [ 91.549971] RSP: 0018:ffffb68042b87e48 EFLAGS: 00010286 # [ 91.562065] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 91.576342] RDX: ffff90a7fbdac660 RSI: ffff90a7[ 93.672911] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 91.590577] RBP: ffffffffa5[ 93.681564] lkdtm: attempting bad refcount_inc_not_zero() from saturated 4c036d R08: 0000000000000000 R09: 0000000000000000 # [ 91.604[ 93.695317] ------------[ cut here ]------------ 844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 93.706772] refcount_t: saturated; leaking memory. 000017 # [ 91.619087] R13: ffffb68042b87f10 R14: ffffb68042b8[ 93.718461] WARNING: CPU: 3 PID: 2487 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 7f10 R15: ffff90a784ba4000 # [ 91.633351] FS: 00007f9d46f135[ 93.734029] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 80(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ [ 93.756257] CPU: 3 PID: 2487 Comm: cat Tainted: G D W 5.10.124-cip9 #1 91.648690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 93.771076] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.661356] CR2: 00007f9d46d2c000 CR3: 0000000104e88000 CR4:[ 93.783993] RIP: 0010:refcount_warn_saturate+0x87/0xf0 00000000003506e0 # [ 91.675629] Call Trace: # [ 91.684699[ 93.795996] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b ] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 91.696664] dir[ 93.823339] RSP: 0018:ffffb68042cf7e38 EFLAGS: 00010282 ect_entry.cold+0x2c/0x38 # [ 91.707045] full_proxy_write+0x5[ 93.835424] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 6/0x80 # [ 91.717872] vfs_write+0xea/0x390 # [ 91.727544][ 93.849695] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 ksys_write+0x68/0xe0 # [ 91.737549] do_syscall_64+0x33/0x4[ 93.863938] RBP: ffffffffa54bffc8 R08: 0000000000000000 R09: 0000000000000000 0 # [ 91.747870] entry_SYSCALL_64_after_hwframe+0x44/0xa9 #[ 93.878210] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 91.759718] RIP: 0033:0x7f9d46e3bf33 # [ 91.770024] Code:[ 93.892449] R13: ffffb68042cf7f10 R14: ffffb68042cf7f10 R15: ffff90a783306000 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 93.906712] FS: 00007efc72bb7580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <[ 93.922065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 [ 93.934740] CR2: 00007efc729d0000 CR3: 00000001031d6000 CR4: 00000000003506e0 18 # [ 91.797301] RSP: 002b:00007ffffb66bf38 EFLAGS: 00000246[ 93.949018] Call Trace: ORIG_RAX: 0000000000000001 # [ 91.812101] RAX: fffffffffffff[ 93.958081] __refcount_add_not_zero.constprop.0+0x2a/0x31 fda RBX: 0000000000000017 RCX: 00007f9d46e3bf33 # [ 91.826287[ 93.970713] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 ] RDX: 0000000000000017 RSI: 00007f9d46d2c000 RDI: 0000000000000[ 93.983055] direct_entry.cold+0x2c/0x38 001 # [ 91.840570] RBP: 00007f9d46d2c000 R08: 00007f9d46d2b01[ 93.993888] full_proxy_write+0x56/0x80 0 R09: 0000000000000000 # [ 91.854798] R10: 00007f9d46f361c0 [ 94.004446] vfs_write+0xea/0x390 R11: 0000000000000246 R12: 0000000000000001 # [ 91.869093] R1[ 94.014345] ksys_write+0x68/0xe0 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 94.024189] do_syscall_64+0x33/0x40 # [ 91.883321] irq event stamp: 0 # [ 91.892999] hardirqs [ 94.034549] entry_SYSCALL_64_after_hwframe+0x44/0xa9 last enabled at (0): [<0000000000000000>] 0x0 # [ 91.906281][ 94.046374] RIP: 0033:0x7efc72adff33 hardirqs last disabled at (0): [] copy_proces[ 94.056685] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 s+0x63c/0x1c80 # [ 91.921746] softirqs last enabled at (0): [ 94.083919] RSP: 002b:00007fffd38f5318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [] copy_process+0x63c/0x1c80 # [ 91.937136][ 94.098704] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efc72adff33 softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ [ 94.113017] RDX: 0000000000000020 RSI: 00007efc729d0000 RDI: 0000000000000001 91.950425] ---[ end trace 1c30a07334de3594 ]--- # [ 91.961821[ 94.127225] RBP: 00007efc729d0000 R08: 00007efc729cf010 R09: 0000000000000000 ] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SA[ 94.141493] R10: 00007efc72bda1c0 R11: 0000000000000246 R12: 0000000000000001 TURATED: saw 'Saturation detected: still saturated': ok ok 52 s[ 94.155723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 elftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: [ 94.170052] irq event stamp: 0 REFCOUNT_DEC_SATURATED.sh # [ 92.309320] lkdtm: Performing di[ 94.179631] hardirqs last enabled at (0): [<0000000000000000>] 0x0 rect entry REFCOUNT_DEC_SATURATED # [ 92.317520] lkdtm: attem[ 94.193086] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 pting bad refcount_dec() from saturated # [ 92.324196] ------[ 94.208359] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ------[ cut here ]------------ # [ 92.329391] refcount_t: dec[ 94.223823] softirqs last disabled at (0): [<0000000000000000>] 0x0 rement hit 0; leaking memory. # [ 92.341643] WARNING: CPU: 1 [ 94.237065] ---[ end trace 1c30a07334de3597 ]--- PID: 2420 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0[ 94.248552] lkdtm: Saturation detected: still saturated # [ 92.357206] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.379504] CPU: 1 PID: 2420 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 92.388114] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.394840] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 92.406901] Code: ff 48 c7 c7 10 be 45 a5 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 45 a5 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 92.427988] RSP: 0018:ffffb68042c17e48 EFLAGS: 00010286 # [ 92.433870] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 92.441891] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 # [ 92.449914] RBP: ffffffffa54c0384 R08: 0000000000000000 R09: 0000000000000000 # [ 92.457937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 92.465962] R13: ffffb68042c17f10 R14: ffffb68042c17f10 R15: ffff90a784ba9000 # [ 92.473989] FS: 00007fa2d553d580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 92.483085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.489549] CR2: 00007fa2d5356000 CR3: 0000000105660000 CR4: 00000000003506e0 # [ 92.497565] Call Trace: # [ 92.500340] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 92.505842] direct_entry.cold+0x2c/0x38 # [ 92.510270] full_proxy_write+0x56/0x80 # [ 92.514598] vfs_write+0xea/0x390 # [ 92.524547] ksys_write+0x68/0xe0 # [ 92.528294] do_syscall_64+0x33/0x40 # [ 92.532329] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.538019] RIP: 0033:0x7fa2d5465f33 # [ 92.542050] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 92.563133] RSP: 002b:00007ffd744fa808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.571645] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa2d5465f33 # [ 92.579666] RDX: 0000000000000017 RSI: 00007fa2d5356000 RDI: 0000000000000001 # [ 92.587687] RBP: 00007fa2d5356000 R08: 00007fa2d5355010 R09: 0000000000000000 # [ 92.595707] R10: 00007fa2d55601c0 R11: 0000000000000246 R12: 0000000000000001 # [ 92.603729] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.611770] irq event stamp: 0 # [ 92.621414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.628458] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.637653] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.646848] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.653898] ---[ end trace 1c30a07334de3595 ]--- # [ 92.659095] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 93.002376] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 93.015032] lkdtm: attempting bad refcount_dec() from saturated # [ 93.021699] ------------[ cut here ]------------ # [ 93.026899] refcount_t: saturated; leaking memory. # [ 93.038565] WARNING: CPU: 2 PID: 2455 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 93.047954] Modules linked i[ 94.599544] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 94.611418] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 94.618994] ------------[ cut here ]------------ n: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chard[ 94.624204] refcount_t: saturated; leaking memory. ev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_not[ 94.635864] WARNING: CPU: 1 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 94.651435] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.667502] CPU: 1 PID: 2519 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 94.676115] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.682806] RIP: 0010:refcount_warn_saturate+0x87/0xf0 ify # [ 93.064006] CPU: 2 PID: 2455 Comm: cat Tainted: G [ 94.688645] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b [ 94.716006] RSP: 0018:ffffb68042d87e38 EFLAGS: 00010282 [ 94.721895] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 94.729924] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 [ 94.737950] RBP: ffffffffa54bffe8 R08: 0000000000000000 R09: 0000000000000000 [ 94.745975] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.753998] R13: ffffb68042d87f10 R14: ffffb68042d87f10 R15: ffff90a7840c3000 [ 94.762023] FS: 00007f48f7200580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 [ 94.771129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.777594] CR2: 00007f48f7019000 CR3: 0000000103832000 CR4: 00000000003506e0 [ 94.785609] Call Trace: [ 94.788388] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 94.794572] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 [ 94.800946] direct_entry.cold+0x2c/0x38 D W 5.10.124-cip9 #1 # [ 93.072616] Hardware name: G[ 94.805378] full_proxy_write+0x56/0x80 [ 94.815941] vfs_write+0xea/0x390 [ 94.819688] ksys_write+0x68/0xe0 [ 94.823436] do_syscall_64+0x33/0x40 [ 94.827474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.833168] RIP: 0033:0x7f48f7128f33 [ 94.837205] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.858296] RSP: 002b:00007fff27611a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.866816] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f48f7128f33 [ 94.874844] RDX: 0000000000000020 RSI: 00007f48f7019000 RDI: 0000000000000001 [ 94.882871] RBP: 00007f48f7019000 R08: 00007f48f7018010 R09: 0000000000000000 [ 94.890898] R10: 00007f48f72231c0 R11: 0000000000000246 R12: 0000000000000001 [ 94.898926] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 oogle Coral/Coral, BIOS 09/29/2020 # [ 93.079318] RIP: 0010:[ 94.906973] irq event stamp: 0 refcount_warn_saturate+0x49/0xf0 # [ 93.085137] Code: 76 01 0[ 94.916625] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48[ 94.929908] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 94.945334] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 c7 c7 60 bd 45 a5 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c[ 94.954535] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.967791] ---[ end trace 1c30a07334de3598 ]--- [ 94.972992] lkdtm: Saturation detected: still saturated 3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 45 a5 c6 05 5a # [ 93.106214] RSP: 0018:ffffb68042c87e48 EFLAGS: 00010286 # [ 93.112098] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 93.120126] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 # [ 93.128148] RBP: ffffffffa54c039b R08: 0000000000000000 R09: 0000000000000000 # [ 93.136168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 93.144192] R13: ffffb68042c87f10 R14: ffffb68042c87f10 R15: ffff90a785c34000 # [ 93.152218] FS: 00007f3807f49580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 93.161304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.167760] CR2: 00007f3807d62000 CR3: 0000000103242000 CR4: 00000000003506e0 # [ 93.175781] Call Trace: # [ 93.178555] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 93.184056] direct_entry.cold+0x2c/0x38 # [ 93.188484] full_proxy_write+0x56/0x80 # [ 93.192814] vfs_write+0xea/0x390 # [ 93.196555] ksys_write+0x68/0xe0 # [ 93.200300] do_syscall_64+0x33/0x40 # [ 93.204334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 93.210024] RIP: 0033:0x7f3807e71f33 # [ 93.214058] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.235138] RSP: 002b:00007fffb522eaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.243647] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3807e71f33 # [ 93.251666] RDX: 0000000000000017 RSI: 00007f3807d62000 RDI: 0000000000000001 # [ 93.259681] RBP: 00007f3807d62000 R08: 00007f3807d61010 R09: 0000000000000000 # [ 93.267697] R10: 00007f3807f6c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.275713] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.283744] irq event stamp: 0 # [ 93.287179] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.294244] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.309646] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.325059] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.332108] ---[ end trace 1c30a07334de3596 ]--- # [ 93.337306] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 93.672911] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 93.681564] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 93.695317] ------------[ cut here ]------------ # [ 93.706772] refcount_t: saturated; leaking memory. # [ 93.718461] WARNING: CPU: 3 PID: 2487 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 93.734029] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.756257] CPU: 3 PID: 2487 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 93.771076] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.783993] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 93.795996] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d[ 95.319496] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b # [ 93.82[ 95.329814] lkdtm: attempting bad refcount_dec_and_test() from saturated 3339] RSP: 0018:ffffb68042cf7e38 EFLAGS: 00010282 # [ 93.8354[ 95.343598] ------------[ cut here ]------------ 24] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 00000000000[ 95.355100] refcount_t: underflow; use-after-free. 00000 # [ 93.849695] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9b[ 95.366992] WARNING: CPU: 3 PID: 2554 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 f70 RDI: ffff90a7fbd9bf70 # [ 93.863938] RBP: ffffffffa54bffc[ 95.382340] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8 R08: 0000000000000000 R09: 0000000000000000 # [ 93.878210] [ 95.404815] CPU: 3 PID: 2554 Comm: cat Tainted: G D W 5.10.124-cip9 #1 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000002[ 95.419383] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0 # [ 93.892449] R13: ffffb68042cf7f10 R14: ffffb68042cf7f10 [ 95.432437] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 R15: ffff90a783306000 # [ 93.906712] FS: 00007efc72bb7580(00[ 95.444320] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 45 00) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 93.9[ 95.471747] RSP: 0018:ffffb68042ddfe40 EFLAGS: 00010286 22065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 95.483728] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 93.934740] CR2: 00007efc729d0000 CR3: 00000001031d6000 CR4: 0000[ 95.498024] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 0000003506e0 # [ 93.949018] Call Trace: # [ 93.958081] __[ 95.512257] RBP: ffffffffa54c0008 R08: 0000000000000000 R09: 0000000000000000 refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 93.970713] l[ 95.526544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 kdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 93.983055][ 95.540779] R13: ffffb68042ddff10 R14: ffffb68042ddff10 R15: ffff90a784d34000 direct_entry.cold+0x2c/0x38 # [ 93.993888] full_proxy_writ[ 95.555040] FS: 00007faf60ae1580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 e+0x56/0x80 # [ 94.004446] vfs_write+0xea/0x390 # [ 94.01[ 95.570346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 4345] ksys_write+0x68/0xe0 # [ 94.024189] do_syscall_64+0x3[ 95.583079] CR2: 00007faf608fa000 CR3: 0000000102870000 CR4: 00000000003506e0 3/0x40 # [ 94.034549] entry_SYSCALL_64_after_hwframe+0x44/0x[ 95.597306] Call Trace: a9 # [ 94.046374] RIP: 0033:0x7efc72adff33 # [ 94.056685] [ 95.606342] __refcount_sub_and_test.constprop.0+0x34/0x40 Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b[ 95.618674] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f[ 95.631417] direct_entry.cold+0x2c/0x38 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5[ 95.641913] full_proxy_write+0x56/0x80 4 24 18 # [ 94.083919] RSP: 002b:00007fffd38f5318 EFLAGS: 000[ 95.652483] vfs_write+0xea/0x390 00246 ORIG_RAX: 0000000000000001 # [ 94.098704] RAX: ffffffff[ 95.662395] ksys_write+0x68/0xe0 ffffffda RBX: 0000000000000020 RCX: 00007efc72adff33 # [ 94.1[ 95.672369] do_syscall_64+0x33/0x40 13017] RDX: 0000000000000020 RSI: 00007efc729d0000 RDI: 00000000[ 95.682629] entry_SYSCALL_64_after_hwframe+0x44/0xa9 00000001 # [ 94.127225] RBP: 00007efc729d0000 R08: 00007efc72[ 95.694594] RIP: 0033:0x7faf60a09f33 9cf010 R09: 0000000000000000 # [ 94.141493] R10: 00007efc72bd[ 95.704845] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.15572[ 95.732163] RSP: 002b:00007ffd149f3108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 3] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002[ 95.746877] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faf60a09f33 0000 # [ 94.170052] irq event stamp: 0 # [ 94.179631] hard[ 95.761142] RDX: 0000000000000020 RSI: 00007faf608fa000 RDI: 0000000000000001 irqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.19[ 95.775421] RBP: 00007faf608fa000 R08: 00007faf608f9010 R09: 0000000000000000 3086] hardirqs last disabled at (0): [] copy_p[ 95.789660] R10: 00007faf60b041c0 R11: 0000000000000246 R12: 0000000000000001 rocess+0x63c/0x1c80 # [ 94.208359] softirqs last enabled at [ 95.803937] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 (0): [] copy_process+0x63c/0x1c80 # [ 94.22[ 95.818200] irq event stamp: 0 3823] softirqs last disabled at (0): [<0000000000000000>] 0x0 #[ 95.827884] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 94.237065] ---[ end trace 1c30a07334de3597 ]--- # [ 94.2[ 95.841164] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 48552] lkdtm: Saturation detected: still saturated # REFCOUNT_I[ 95.856592] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 NC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: l[ 95.872040] softirqs last disabled at (0): [<0000000000000000>] 0x0 kdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: RE[ 95.885301] ---[ end trace 1c30a07334de3599 ]--- FCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 94.599544] lkdtm: Perfor[ 95.896744] lkdtm: Saturation detected: still saturated ming direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 94.611418] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 94.618994] ------------[ cut here ]------------ # [ 94.624204] refcount_t: saturated; leaking memory. # [ 94.635864] WARNING: CPU: 1 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 94.651435] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.667502] CPU: 1 PID: 2519 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 94.676115] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.682806] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 94.688645] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 45 a5 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b # [ 94.716006] RSP: 0018:ffffb68042d87e38 EFLAGS: 00010282 # [ 94.721895] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 94.729924] RDX: ffff90a7fbcac660 RSI: ffff90a7fbc9bf70 RDI: ffff90a7fbc9bf70 # [ 94.737950] RBP: ffffffffa54bffe8 R08: 0000000000000000 R09: 0000000000000000 # [ 94.745975] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.753998] R13: ffffb68042d87f10 R14: ffffb68042d87f10 R15: ffff90a7840c3000 # [ 94.762023] FS: 00007f48f7200580(0000) GS:ffff90a7fbc80000(0000) knlGS:0000000000000000 # [ 94.771129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.777594] CR2: 00007f48f7019000 CR3: 0000000103832000 CR4: 00000000003506e0 # [ 94.785609] Call Trace: # [ 94.788388] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 94.794572] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 94.800946] direct_entry.cold+0x2c/0x38 # [ 94.805378] full_proxy_write+0x56/0x80 # [ 94.815941] vfs_write+0xea/0x390 # [ 94.819688] ksys_write+0x68/0xe0 # [ 94.823436] do_syscall_64+0x33/0x40 # [ 94.827474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 94.833168] RIP: 0033:0x7f48f7128f33 # [ 94.837205] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.858296] RSP: 002b:00007fff27611a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.866816] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f48f7128f33 # [ 94.874844] RDX: 0000000000000020 RSI: 00007f48f7019000 RDI: 0000000000000001 # [ 94.882871] RBP: 00007f48f7019000 R08: 00007f48f7018010 R09: 0000000000000000 # [ 94.890898] R10: 00007f48f72231c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.898926] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.906973] irq event stamp: 0 # [ 94.916625] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.929908] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.945334] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.954535] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.967791] ---[ end trace 1c30a07334de3598 ]--- # [ 94.972992] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 95.319496] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 95.329814] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 95.343598] ------------[ cut here ]------------ # [ 95.355100] refcount_t: underflow; use-after-free. # [ 95.366992] W[ 96.278852] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 96.290689] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 96.298223] ------------[ cut here ]------------ ARNING: CPU: 3 PID: 2554 at lib/refcount.c:28 refcount_warn_satu[ 96.303427] refcount_t: underflow; use-after-free. [ 96.315074] WARNING: CPU: 2 PID: 2589 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 96.324453] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 96.340508] CPU: 2 PID: 2589 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 96.349125] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 96.355791] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 96.361574] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 45 [ 96.382641] RSP: 0018:ffffb68042e77e40 EFLAGS: 00010286 [ 96.388522] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 96.396548] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 [ 96.404576] RBP: ffffffffa54c0028 R08: 0000000000000000 R09: 0000000000000000 rate+0xa6/0xf0 # [ 95.382340] Modules linked in: fuse ip_tabl[ 96.412594] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 96.426850] R13: ffffb68042e77f10 R14: ffffb68042e77f10 R15: ffff90a7857a0000 [ 96.434870] FS: 00007f7df76ca580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 [ 96.443951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.450413] CR2: 00007f7df74e3000 CR3: 00000001035b6000 CR4: 00000000003506e0 es cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysf[ 96.458491] Call Trace: s x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.4[ 96.467539] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 96.479891] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 04815] CPU: 3 PID: 2554 Comm: cat Tainted: G D W 5.[ 96.486267] direct_entry.cold+0x2c/0x38 [ 96.496924] full_proxy_write+0x56/0x80 10.124-cip9 #1 # [ 95.419383] Hardware name: Google Coral/Cor[ 96.501256] vfs_write+0xea/0x390 [ 96.511212] ksys_write+0x68/0xe0 [ 96.514957] do_syscall_64+0x33/0x40 [ 96.518992] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.524678] RIP: 0033:0x7f7df75f2f33 [ 96.528709] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 96.549786] RSP: 002b:00007fff67d82398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.558294] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7df75f2f33 [ 96.566314] RDX: 0000000000000020 RSI: 00007f7df74e3000 RDI: 0000000000000001 al, BIOS 09/29/2020 # [ 95.432437] RIP: 0010:refcount_warn_s[ 96.574321] RBP: 00007f7df74e3000 R08: 00007f7df74e2010 R09: 0000000000000000 [ 96.588567] R10: 00007f7df76ed1c0 R11: 0000000000000246 R12: 0000000000000001 [ 96.596575] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 96.604598] irq event stamp: 0 [ 96.608041] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 96.615101] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 96.624290] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 96.633474] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 96.640510] ---[ end trace 1c30a07334de359a ]--- [ 96.645704] lkdtm: Saturation detected: still saturated aturate+0xa6/0xf0 # [ 95.444320] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 45 # [ 95.471747] RSP: 0018:ffffb68042ddfe40 EFLAGS: 00010286 # [ 95.483728] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 95.498024] RDX: ffff90a7fbdac660 RSI: ffff90a7fbd9bf70 RDI: ffff90a7fbd9bf70 # [ 95.512257] RBP: ffffffffa54c0008 R08: 0000000000000000 R09: 0000000000000000 # [ 95.526544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.540779] R13: ffffb68042ddff10 R14: ffffb68042ddff10 R15: ffff90a784d34000 # [ 95.555040] FS: 00007faf60ae1580(0000) GS:ffff90a7fbd80000(0000) knlGS:0000000000000000 # [ 95.570346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.583079] CR2: 00007faf608fa000 CR3: 0000000102870000 CR4: 00000000003506e0 # [ 95.597306] Call Trace: # [ 95.606342] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 95.618674] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 95.631417] direct_entry.cold+0x2c/0x38 # [ 95.641913] full_proxy_write+0x56/0x80 # [ 95.652483] vfs_write+0xea/0x390 # [ 95.662395] ksys_write+0x68/0xe0 # [ 95.672369] do_syscall_64+0x33/0x40 # [ 95.682629] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 95.694594] RIP: 0033:0x7faf60a09f33 # [ 95.704845] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.732163] RSP: 002b:00007ffd149f3108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.746877] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faf60a09f33 # [ 95.761142] RDX: 0000000000000020 RSI: 00007faf608fa000 RDI: 0000000000000001 # [ 95.775421] RBP: 00007faf608fa000 R08: 00007faf608f9010 R09: 0000000000000000 # [ 95.789660] R10: 00007faf60b041c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.803937] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.818200] irq event stamp: 0 # [ 95.827884] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.841164] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.856592] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.872040] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.885301] ---[ end trace 1c30a07334de3599 ]--- # [ 95.896744] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 96.278852] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 96.290689] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 96.298223] ------------[ cut here ]------------ # [ 96.303427] refcount_t: underflow; use-after-free. # [ 96.315074] WARNING: CPU: 2 PID: 2589 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 96.324453] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.340508] CPU: 2 PID: 2589 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 96.349125] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 96.355791] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 96.361574] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 45 a5 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 45 # [ 96.382641] RSP: 0018:ffffb68042e77e40 EFLAGS: 00010286 # [ 96.388522] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 96.396548] RDX: ffff90a7fbd2c660 RSI: ffff90a7fbd1bf70 RDI: ffff90a7fbd1bf70 # [ 96.404576] RBP: ffffffffa54c0028 R08: 0000000000000000 R09: 0000000000000000 # [ 96.412594] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 96.426850] R13: ffffb68042e77f10 R14: ffffb68042e77f10 R15: ffff90a7857a0000 # [ 96.434870] FS: 00007f7df76ca580(0000) GS:ffff90a7fbd00000(0000) knlGS:0000000000000000 # [ 96.443951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.450413] CR2: 00007f7df74e3000 CR3: 00000001035b6000 CR4: 00000000003506e0 # [ 96.458491] Call Trace: # [ 96.467539] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 96.479891] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 96.486267] direct_entry.cold+0x2c/0x38 # [ 96.496924] full_proxy_write+0x56/0x80 # [ 96.501256] vfs_write+0xea/0x390 # [ 96.511212] ksys_write+0x68/0xe0 # [ 96.514957] do_syscall_64+0x33/0x40 # [ 96.518992] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 96.524678] RIP: 0033:0x7f7df75f2f33 # [ 96.528709] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 96.549786] RSP: 002b:00007fff67d82398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 96.558294] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7df75f2f33 # [ 96.566314] RDX: 0000000000000020 RSI: 00007f7df74e3000 RDI: 0000000000000001 # [ 96.574321] RBP: 00007f7df74e3000 R08: 00007f7df74e2010 R09: 0000000000000000 # [ 96.588567] R10: 00007f7df76ed1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 96.596575] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.604598] irq event stamp: 0 # [ 96.608041] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 96.615101] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.624290] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.633474] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 96.640510] ---[ end trace 1c30a07334de359a ]--- # [ 96.645704] lkdtm: Saturation detected: still saturated[ 97.259541] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: st[ 97.269416] lkdtm: attempting good copy_to_user of correct size ill saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TES[ 97.282379] lkdtm: attempting bad copy_to_user of too large size T_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 97.259541] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 97.269416] lkdtm: attempting good copy_to_user of correct size # [ 97.282379] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh [ 97.627252] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 97.634263] lkdtm: attempting good copy_from_user of correct size [ 97.641171] lkdtm: attempting bad copy_from_user of too large size # [ 97.627252] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 97.634263] lkdtm: attempting good copy_from_user of correct size # [ 97.641171] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh [ 97.984257] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 97.991552] lkdtm: attempting good copy_to_user inside whitelist [ 97.998360] lkdtm: attempting bad copy_to_user outside whitelist # [ 97.984257] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 97.991552] lkdtm: attempting good copy_to_user inside whitelist # [ 97.998360] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh [ 98.345292] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 98.352763] lkdtm: attempting good copy_from_user inside whitelist [ 98.359777] lkdtm: attempting bad copy_from_user outside whitelist # [ 98.345292] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 98.352763] lkdtm: attempting good copy_from_user inside whitelist # [ 98.359777] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh [ 98.695683] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 98.702657] lkdtm: good_stack: ffffb680431b7e20-ffffb680431b7e40 [ 98.709477] lkdtm: bad_stack : ffffb680431b7da8-ffffb680431b7dc8 [ 98.716273] lkdtm: attempting good copy_to_user of local stack [ 98.722866] lkdtm: attempting bad copy_to_user of distant stack # [ 98.695683] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 98.702657] lkdtm: good_stack: ffffb680431b7e20-ffffb680431b7e40 # [ 98.709477] lkdtm: bad_stack : ffffb680431b7da8-ffffb680431b7dc8 # [ 98.716273] lkdtm: attempting good copy_to_user of local stack # [ 98.722866] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh [ 99.061377] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 99.068552] lkdtm: good_stack: ffffb68043267e20-ffffb68043267e40 [ 99.075332] lkdtm: bad_stack : ffffb68043267da8-ffffb68043267dc8 [ 99.082193] lkdtm: attempting good copy_from_user of local stack [ 99.088983] lkdtm: attempting bad copy_from_user of distant stack # [ 99.061377] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 99.068552] lkdtm: good_stack: ffffb68043267e20-ffffb68043267e40 # [ 99.075332] lkdtm: bad_stack : ffffb68043267da8-ffffb68043267dc8 # [ 99.082193] lkdtm: attempting good copy_from_user of local stack # [ 99.088983] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh [ 99.420857] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 99.427646] lkdtm: good_stack: ffffb680432ffe20-ffffb680432ffe40 [ 99.434422] lkdtm: bad_stack : ffffb680432ffff8-ffffb68043300018 [ 99.441213] lkdtm: attempting good copy_to_user of local stack [ 99.447839] lkdtm: attempting bad copy_to_user of distant stack [ 99.454528] lkdtm: copy_to_user failed, but lacked Oops # [ 99.420857] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 99.427646] lkdtm: good_stack: ffffb680432ffe20-ffffb680432ffe40 # [ 99.434422] lkdtm: bad_stack : ffffb680432ffff8-ffffb68043300018 # [ 99.441213] lkdtm: attempting good copy_to_user of local stack # [ 99.447839] lkdtm: attempting bad copy_to_user of distant stack # [ 99.454528] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh [ 99.785232] lkdtm: Performing direct entry USERCOPY_KERNEL [ 99.791443] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa50d9f10 [ 99.800202] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa3ed1460 [ 99.808642] lkdtm: FAIL: survived bad copy_to_user() # [ 99.785232] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 99.791443] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa50d9f10 # [ 99.800202] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa3ed1460 # [ 99.808642] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh [ 100.155862] lkdtm: Performing direct entry STACKLEAK_ERASING [ 100.162246] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 100.170243] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 100.178086] lkdtm: FAIL: the thread stack is NOT properly erased [ 100.184891] CPU: 3 PID: 2954 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 100.193483] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 100.200117] Call Trace: [ 100.202876] dump_stack+0x77/0x97 [ 100.206593] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 100.211774] direct_entry.cold+0x2c/0x38 [ 100.216182] full_proxy_write+0x56/0x80 [ 100.220490] vfs_write+0xea/0x390 [ 100.224211] ksys_write+0x68/0xe0 [ 100.227935] do_syscall_64+0x33/0x40 [ 100.231949] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.237617] RIP: 0033:0x7f775e2d1f33 [ 100.241625] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 100.262697] RSP: 002b:00007ffc23c23108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.271188] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f775e2d1f33 [ 100.279192] RDX: 0000000000000012 RSI: 00007f775e1c2000 RDI: 0000000000000001 [ 100.287197] RBP: 00007f775e1c2000 R08: 00007f775e1c1010 R09: 0000000000000000 [ 100.295202] R10: 00007f775e3cc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 100.303205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 100.155862] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 100.162246] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 100.170243] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 100.178086] lkdtm: FAIL: the thread stack is NOT properly erased # [ 100.184891] CPU: 3 PID: 2954 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 100.193483] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 100.200117] Call Trace: # [ 100.202876] dump_stack+0x77/0x97 # [ 100.206593] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 100.211774] direct_entry.cold+0x2c/0x38 # [ 100.216182] full_proxy_write+0x56/0x80 # [ 100.220490] vfs_write+0xea/0x390 # [ 100.224211] ksys_write+0x68/0xe0 # [ 100.227935] do_syscall_64+0x33/0x40 # [ 100.231949] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 100.237617] RIP: 0033:0x7f775e2d1f33 # [ 100.241625] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 100.262697] RSP: 002b:00007ffc23c23108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.271188] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f775e2d1f33 # [ 100.279192] RDX: 0000000000000012 RSI: 00007f775e1c2000 RDI: 0000000000000001 # [ 100.287197] RBP: 00007f775e1c2000 R08: 00007f775e1c1010 R09: 0000000000000000 # [ 100.295202] R10: 00007f775e3cc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 100.303205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh [ 100.664236] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 100.670630] lkdtm: Calling matched prototype ... [ 100.675839] lkdtm: Calling mismatched prototype ... [ 100.681328] lkdtm: Fail: survived mismatched prototype function call! # [ 100.664236] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 100.670630] lkdtm: Calling matched prototype ... # [ 100.675839] lkdtm: Calling mismatched prototype ... # [ 100.681328] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt