[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 105 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 27018 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x3 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 34 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 269170 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 4961 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 52932 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 14190 usecs PCI: 00:16.1 scanning... scan_generic_bus for PCI: 00:16.1 scan_generic_bus for PCI: 00:16.1 done scan_bus: scanning of bus PCI: 00:16.1 took 9995 usecs PCI: 00:16.2 scanning... scan_generic_bus for PCI: 00:16.2 bus: PCI: 00:16.2[0]->I2C: 02:50 enabled scan_generic_bus for PCI: 00:16.2 done scan_bus: scanning of bus PCI: 00:16.2 took 14223 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 18136 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 18149 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 14064 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 11255 usecs scan_bus: scanning of bus DOMAIN: 0000 took 392150 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 412141 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 2022-10-26 19:44:03 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-10-26 19:44:03 UTC ELOG: Event(AA) added with size 11 at 2022-10-26 19:44:03 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 702037 exit 96234 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 2954906 exit 0 Enabling resources... PCI: 00:00.0 cmd <- 07 PCI: 00:00.1 subsystem <- 8086/5a8c PCI: 00:00.1 cmd <- 02 PCI: 00:00.2 subsystem <- 8086/5a8e PCI: 00:00.2 cmd <- 06 PCI: 00:02.0 cmd <- 03 PCI: 00:03.0 subsystem <- 8086/5a88 PCI: 00:03.0 cmd <- 02 PCI: 00:0d.1 cmd <- 07 PCI: 00:0d.2 subsystem <- 8086/5a96 PCI: 00:0d.2 cmd <- 406 PCI: 00:0d.3 cmd <- 06 PCI: 00:0e.0 cmd <- 02 PCI: 00:0f.0 cmd <- 06 PCI: 00:0f.1 cmd <- 06 PCI: 00:0f.2 cmd <- 06 PCI: 00:14.0 bridge ctrl <- 0003 PCI: 00:14.0 cmd <- 06 PCI: 00:15.0 cmd <- 02 PCI: 00:16.0 cmd <- 02 PCI: 00:16.1 cmd <- 02 PCI: 00:16.2 cmd <- 06 PCI: 00:16.3 cmd <- 02 PCI: 00:17.0 cmd <- 02 PCI: 00:17.1 cmd <- 02 PCI: 00:18.0 cmd <- 02 PCI: 00:18.1 cmd <- 02 PCI: 00:18.2 cmd <- 06 PCI: 00:19.0 subsystem <- 8086/5ac2 PCI: 00:19.0 cmd <- 02 PCI: 00:1b.0 cmd <- 06 PCI: 00:1c.0 subsystem <- 8086/5acc PCI: 00:1c.0 cmd <- 06 PCI: 00:1f.0 cmd <- 07 PCI: 00:1f.1 subsystem <- 8086/5ad4 PCI: 00:1f.1 cmd <- 03 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. BS: BS_DEV_ENABLE times (us): entry 161 run 112463 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2136 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 1 apic_id 6. AP: slot 3 apic_id 2. AP: slot 2 apic_id 4. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #3 Initializing CPU #1 Initializing CPU #2 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #3 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized CPU #2 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 468361 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2239 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2235 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2236 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2234 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2234 usecs PCI: 00:0d.1 init ... gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000 gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000 gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000 Disabling ACPI via APMC:Done. SLP S3 assertion width: 50000 usecs PCI: 00:0d.1 init finished in 27397 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2233 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2235 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2233 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2233 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2235 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6135 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6120 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6129 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 6122 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6121 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2234 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2237 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3577 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2237 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2338 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 42200 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 5000 run 882096 exit 883 ELOG: Event(A1) added with size 10 at 2022-10-26 19:44:06 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-10-26 19:44:06 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 24892 run 3967 exit 5263 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 04 (unknown) APIC: 02 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum 54aa coreboot table: 1548 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 VPD 8. 7affe960 00000031 GNVS PTR 9. 7affe940 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 817423 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 176 run 108149 exit 29957 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 7729346/tftp-deploy-5ya4dl11/kernel/bzImage 7729346/tftp-deploy-5ya4dl11/kernel/cmdline 7729346/tftp-deploy-5ya4dl11/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7729346/tftp-deploy-5ya4dl11/kernel/bzImoy-5ya4dl11/kernel/cmdline 7729346/tftp-deploy-5ya4dl11/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7729346/tftp-deploy-5ya4dl11/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################## done. The bootfile was 13872256 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: 7729346/tftp-deploy-5ya4dl11/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/7729346/extract-nfsrootfs-llj6atf6,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: 19716576 Starting kernel ... [ 0.000000] Linux version 5.10.150-cip18 (KernelCI@build-j388074-x86-64-gcc-10-x86-64-defconfig-x86-chromeboocczzp) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Oct 26 17:15:56 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/7729346/extract-nfsrootfs-llj6atf6,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 [ 0.000000] tsc: Detected 1094.400 MHz processor [ 0.000057] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000305] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001174] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005276] check: Scanning 1 areas for low memory corruption [ 0.005290] Using GB pages for direct mapping [ 0.005795] RAMDISK: [mem 0x377c4000-0x37ffffff] [ 0.005803] ACPI: Early table checksum verification disabled [ 0.005812] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005823] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005837] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005851] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005862] ACPI: FACS 0x000000007AB10240 000040 [ 0.005872] ACPI: FACS 0x000000007AB10240 000040 [ 0.005881] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005891] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005901] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005911] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005921] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005932] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005942] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005947] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005951] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005955] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005959] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005963] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005968] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005972] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005976] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005980] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.006101] No NUMA configuration found [ 0.006105] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.006115] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] [ 0.006161] Zone ranges: [ 0.006166] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006173] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006179] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006185] Movable zone start for each node [ 0.006188] Early memory node ranges [ 0.006193] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006197] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006201] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006205] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006211] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006244] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006294] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012983] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020455] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020488] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020784] ACPI: PM-Timer IO Port: 0x408 [ 0.020859] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020876] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020882] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020895] Using ACPI (MADT) for SMP configuration information [ 0.020901] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020914] TSC deadline timer available [ 0.020919] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020952] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020957] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020962] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020967] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020971] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020975] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020979] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020982] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020986] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020990] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020994] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020998] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.021005] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.021014] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029413] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.030042] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.030150] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030160] Policy zone: Normal [ 0.030180] 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/7729346/extract-nfsrootfs-llj6atf6,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.031137] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031579] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031650] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064950] Memory: 3871032K/4071724K available (18450K kernel code, 3458K rwdata, 6768K rodata, 2028K init, 13308K bss, 200432K reserved, 0K cma-reserved) [ 0.065111] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.065172] Kernel/User page tables isolation: enabled [ 0.065248] ftrace: allocating 52750 entries in 207 pages [ 0.095377] ftrace: allocated 207 pages with 6 groups [ 0.095731] Running RCU self tests [ 0.095750] rcu: Hierarchical RCU implementation. [ 0.095754] rcu: RCU event tracing is enabled. [ 0.095758] rcu: RCU lockdep checking is enabled. [ 0.095762] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.095766] Rude variant of Tasks RCU enabled. [ 0.095770] Tracing variant of Tasks RCU enabled. [ 0.095774] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.095779] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.104314] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.104756] random: crng init done [ 0.104872] Console: colour dummy device 80x25 [ 0.173955] printk: console [ttyS2] enabled [ 0.174321] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.174973] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.175322] ... MAX_LOCK_DEPTH: 48 [ 0.175684] ... MAX_LOCKDEP_KEYS: 8192 [ 0.176065] ... CLASSHASH_SIZE: 4096 [ 0.176436] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.176818] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.177195] ... CHAINHASH_SIZE: 32768 [ 0.177583] memory used by lock dependency info: 6365 kB [ 0.178043] memory used for stack traces: 4224 kB [ 0.178447] per task-struct memory footprint: 1920 bytes [ 0.178975] ACPI: Core revision 20200925 [ 0.179681] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.180534] APIC: Switch to symmetric I/O mode setup [ 0.185513] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.190524] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.191427] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.192413] pid_max: default: 32768 minimum: 301 [ 0.193491] LSM: Security Framework initializing [ 0.193910] SELinux: Initializing. [ 0.194472] LSM support for eBPF active [ 0.194852] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.195426] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.197510] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.198056] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.198412] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.198928] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.199414] Spectre V2 : Mitigation: Retpolines [ 0.199810] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.200411] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.201414] Speculative Store Bypass: Vulnerable [ 0.218835] ------------[ cut here ]------------ [ 0.219261] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.219274] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.220412] Modules linked in: [ 0.220689] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.150-cip18 #1 [ 0.221412] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.221913] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.222415] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 40 08 cc a0 c6 05 64 4a e4 01 01 e8 76 9a e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.223412] RSP: 0000:ffffffffa1003de0 EFLAGS: 00010282 [ 0.224412] RAX: 0000000000000000 RBX: ffffffffa1ad2b3c RCX: 0000000000000000 [ 0.225014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9f57a891 [ 0.225412] RBP: ffffffffa099b720 R08: 0000000000000001 R09: 0000000000000001 [ 0.226412] R10: ffffffffa108fbc0 R11: 3fffffffffffffff R12: ffffffffa1ae9ce4 [ 0.227015] R13: cccccccccccccccc R14: ffffffffa099b725 R15: 0000000000000004 [ 0.227414] FS: 0000000000000000(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 [ 0.228094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.228412] CR2: ffff90ce0ea01000 CR3: 000000000d226000 CR4: 00000000003506f0 [ 0.229412] Call Trace: [ 0.229654] alternative_instructions+0x7d/0x143 [ 0.230054] check_bugs+0xedd/0xf39 [ 0.230362] start_kernel+0x517/0x54d [ 0.230420] secondary_startup_64_no_verify+0xc2/0xcb [ 0.230861] irq event stamp: 89363 [ 0.231415] hardirqs last enabled at (89375): [] console_unlock+0x4d1/0x5f0 [ 0.232136] hardirqs last disabled at (89382): [] console_unlock+0x444/0x5f0 [ 0.232414] softirqs last enabled at (89392): [] irq_enter_rcu+0x71/0x80 [ 0.233413] softirqs last disabled at (89403): [] irq_enter_rcu+0x56/0x80 [ 0.234117] ---[ end trace 84c2823588420cd1 ]--- [ 0.24# 3296] Freeing SMP alternatives memory: 44K [ 0.245526] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.247174] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.247425] ... version: 4 [ 0.247768] ... bit width: 48 [ 0.248125] ... generic registers: 4 [ 0.248415] ... value mask: 0000ffffffffffff [ 0.248867] ... max period: 00007fffffffffff [ 0.249322] ... fixed-purpose events: 3 [ 0.249414] ... event mask: 000000070000000f [ 0.250376] rcu: Hierarchical SRCU implementation. [ 0.252234] smp: Bringing up secondary CPUs ... [ 0.253253] x86: Booting SMP configuration: [ 0.253430] .... node #0, CPUs: #1 #2 #3 [ 0.256557] smp: Brought up 1 node, 4 CPUs [ 0.257420] smpboot: Max logical packages: 1 [ 0.257788] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.260415] devtmpfs: initialized [ 0.260792] x86/mm: Memory block size: 128MB [ 0.265521] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.266434] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.267528] pinctrl core: initialized pinctrl subsystem [ 0.268333] PM: RTC time: 19:44:20, date: 2022-10-26 [ 0.268990] NET: Registered protocol family 16 [ 0.270108] audit: initializing netlink subsys (disabled) [ 0.270514] audit: type=2000 audit(1666813460.084:1): state=initialized audit_enabled=0 res=1 [ 0.271194] thermal_sys: Registered thermal governor 'step_wise' [ 0.271207] thermal_sys: Registered thermal governor 'user_space' [ 0.272516] cpuidle: using governor menu [ 0.273653] ACPI: bus type PCI registered [ 0.273711] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.274423] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.275057] PCI: Using configuration type 1 for base access [ 0.300479] Kprobes globally optimized [ 0.300843] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.301022] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.302596] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.306600] ACPI: Added _OSI(Module Device) [ 0.306974] ACPI: Added _OSI(Processor Device) [ 0.307353] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.307416] ACPI: Added _OSI(Processor Aggregator Device) [ 0.307881] ACPI: Added _OSI(Linux-Dell-Video) [ 0.308262] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.308417] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.317763] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.324920] ACPI: EC: EC started [ 0.325222] ACPI: EC: interrupt blocked [ 0.326087] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.326420] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.327049] ACPI: Interpreter enabled [ 0.327427] ACPI: (supports S0 S3 S5) [ 0.327753] ACPI: Using IOAPIC for interrupt routing [ 0.328228] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.330295] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.334478] ACPI: Power Resource [PXP] (on) [ 0.358446] ACPI: Power Resource [PRIC] (on) [ 0.385945] ACPI: Power Resource [PRIC] (on) [ 0.457906] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.458426] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.459479] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.460849] PCI host bridge to bus 0000:00 [ 0.461205] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.462418] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.462998] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.463416] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.464050] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.464417] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.464978] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.466357] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.467456] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.468716] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.469257] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.469431] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.470024] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.470903] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.471434] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.472018] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.472426] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.473423] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.473956] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.475996] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.476461] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.477091] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.477552] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.478781] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.479325] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.479594] pci 0000:00:0f.0: PME# supported from D3hot [ 0.480552] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.481287] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.483093] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.483453] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.484187] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.485071] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.485453] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.486057] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.488089] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.488454] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.489059] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.490090] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.490456] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.491057] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.492087] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.493455] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.494054] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.495124] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.495453] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.496051] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.497085] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.497454] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.498053] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.500120] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.500455] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.501055] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.502091] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.502455] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.503056] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.504103] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.505456] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.506059] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.507114] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.507453] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.508056] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.509118] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.509449] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.510047] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.512065] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.512446] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.513045] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.514221] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.515280] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.516487] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.517152] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.518399] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.518607] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.519842] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.521563] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.522408] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.525234] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.525429] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.533403] ACPI: EC: interrupt unblocked [ 0.534417] ACPI: EC: event unblocked [ 0.534768] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.535204] ACPI: EC: GPE=0x2b [ 0.535420] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.536024] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.537438] iommu: Default domain type: Translated [ 0.537615] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.538028] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.539440] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.539936] vgaarb: loaded [ 0.540761] SCSI subsystem initialized [ 0.541128] ACPI: bus type USB registered [ 0.541552] usbcore: registered new interface driver usbfs [ 0.542084] usbcore: registered new interface driver hub [ 0.542455] usbcore: registered new device driver usb [ 0.543026] pps_core: LinuxPPS API ver. 1 registered [ 0.543414] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.544200] PTP clock support registered [ 0.545562] Advanced Linux Sound Architecture Driver Initialized. [ 0.547264] NetLabel: Initializing [ 0.547416] NetLabel: domain hash size = 128 [ 0.547794] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.548339] NetLabel: unlabeled traffic allowed by default [ 0.548527] PCI: Using ACPI for IRQ routing [ 0.580037] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.580505] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.581063] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.584529] clocksource: Switched to clocksource tsc-early [ 1.006245] VFS: Disk quotas dquot_6.6.0 [ 1.006669] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.007662] pnp: PnP ACPI init [ 1.008778] system 00:00: [io 0x0900-0x09fe] has been reserved [ 1.009586] system 00:01: [io 0x0200] has been reserved [ 1.010048] system 00:01: [io 0x0204] has been reserved [ 1.010522] system 00:01: [io 0x0800-0x087f] has been reserved [ 1.011036] system 00:01: [io 0x0880-0x08ff] has been reserved [ 1.013837] pnp: PnP ACPI: found 3 devices [ 1.029154] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.030042] NET: Registered protocol family 2 [ 1.030636] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.032746] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.033736] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.034677] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.037274] TCP: Hash tables configured (established 32768 bind 32768) [ 1.038347] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.039326] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.040201] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.041297] NET: Registered protocol family 1 [ 1.042468] RPC: Registered named UNIX socket transport module. [ 1.043007] RPC: Registered udp transport module. [ 1.043408] RPC: Registered tcp transport module. [ 1.043826] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.044948] NET: Registered protocol family 44 [ 1.045357] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.045825] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.046430] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.046958] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.047495] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.048070] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.048666] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.049250] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.050040] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.053438] PCI: CLS 64 bytes, default 64 [ 1.054167] Unpacking initramfs... [ 1.275471] Freeing initrd memory: 8432K [ 1.275826] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.276380] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.277434] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.278108] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.278615] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.279100] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.279573] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.281352] kvm: already loaded the other module [ 1.281786] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.282673] clocksource: Switched to clocksource tsc [ 1.283202] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.286182] check: Scanning for low memory corruption every 60 seconds [ 1.289370] Initialise system trusted keyrings [ 1.290069] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.308903] NFS: Registering the id_resolver key type [ 1.309382] Key type id_resolver registered [ 1.309791] Key type id_legacy registered [ 1.321663] Key type asymmetric registered [ 1.322065] Asymmetric key parser 'x509' registered [ 1.322579] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.323221] io scheduler mq-deadline registered [ 1.323622] io scheduler kyber registered [ 1.324249] test_firmware: interface ready [ 1.325478] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.327259] ACPI: AC Adapter [AC] (on-line) [ 1.327985] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.329570] ACPI: Lid Switch [LID0] [ 1.330078] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.330967] ACPI: Power Button [PWRB] [ 1.331502] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.332390] ACPI: Sleep Button [SLP] [ 1.332943] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.333776] ACPI: Power Button [PWRF] [ 1.334350] ACPI: \_PR_.CP00: Found 3 idle states [ 1.335536] ACPI: \_PR_.CP01: Found 3 idle states [ 1.336401] ACPI: \_PR_.CP02: Found 3 idle states [ 1.337285] ACPI: \_PR_.CP03: Found 3 idle states [ 1.339634] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.342354] Non-volatile memory driver v1.3 [ 1.342637] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.342861] Linux agpgart interface v0.103 [ 1.346887] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.400326] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xf1f4 [ 1.401108] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.401828] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.403157] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.404047] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.405030] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.456066] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.459714] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.476166] loop: module loaded [ 1.477168] lkdtm: No crash points registered, enable through debugfs [ 1.529613] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.533488] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.536813] printk: console [ttyS2] disabled [ 1.537573] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 1.585455] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: did not complete or timeout within 10ms (status 0xad4003ff) [ 1.593807] printk: console [ttyS2] enabled [ 1.600913] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: not done (status 0xad4003ff) [ 4.650307] fbcon: i915drmfb (fb0) is primary device [ 4.653073] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.660788] e100: Intel(R) PRO/100 Network Driver [ 4.660792] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.660848] e1000: Intel(R) PRO/1000 Network Driver [ 4.660850] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.660925] e1000e: Intel(R) PRO/1000 Network Driver [ 4.660927] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.661003] sky2: driver version 1.30 [ 4.661297] usbcore: registered new interface driver r8152 [ 4.662037] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.662068] ehci-pci: EHCI PCI platform driver [ 4.662162] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.662177] ohci-pci: OHCI PCI platform driver [ 4.662232] uhci_hcd: USB Universal Host Controller Interface driver [ 4.663790] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.664587] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.665829] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.665877] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.667505] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.667522] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.667525] usb usb1: Product: xHCI Host Controller [ 4.667528] usb usb1: Manufacturer: Linux 5.10.150-cip18 xhci-hcd [ 4.667531] usb usb1: SerialNumber: 0000:00:15.0 [ 4.669131] hub 1-0:1.0: USB hub found [ 4.669243] hub 1-0:1.0: 8 ports detected [ 4.671190] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.671700] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.671718] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.672011] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.672017] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.672021] usb usb2: Product: xHCI Host Controller [ 4.672023] usb usb2: Manufacturer: Linux 5.10.150-cip18 xhci-hcd [ 4.672026] usb usb2: SerialNumber: 0000:00:15.0 [ 4.673000] hub 2-0:1.0: USB hub found [ 4.673074] hub 2-0:1.0: 7 ports detected [ 4.674744] usbcore: registered new interface driver usblp [ 4.674797] usbcore: registered new interface driver usb-storage [ 4.675173] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.675275] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.675277] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.675895] i8042: Warning: Keylock active [ 4.676139] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.678517] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.680550] rtc_cmos rtc_cmos: registered as rtc0 [ 4.680707] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.681713] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.683451] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.683455] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.683510] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.683565] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.683584] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.683587] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.684604] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.684652] intel_pstate: Intel P-state driver initializing [ 4.687386] sdhci: Secure Digital Host Controller Interface driver [ 4.687393] sdhci: Copyright(c) Pierre Ossman [ 4.687650] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.697245] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.703952] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.704133] Console: switching to colour frame buffer device 240x67 [ 4.704969] hid: raw HID events driver (C) Jiri Kosina [ 4.707720] usbcore: registered new interface driver usbhid [ 4.707726] usbhid: USB HID core driver [ 4.710235] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.717904] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.721187] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.726403] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.727117] netem: version 1.3 [ 4.727659] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.729325] gre: GRE over IPv4 demultiplexor driver [ 4.729333] ip_gre: GRE over IPv4 tunneling driver [ 4.735153] IPv4 over IPsec tunneling driver [ 4.736791] Initializing XFRM netlink socket [ 4.740143] NET: Registered protocol family 10 [ 4.745026] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.760046] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.767155] Segment Routing with IPv6 [ 4.909713] mmc0: new HS400 MMC card at address 0001 [ 4.916530] ip6_gre: GRE over IPv6 tunneling driver [ 4.924184] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 4.929751] NET: Registered protocol family 17 [ 4.937991] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 4.946327] Key type dns_resolver registered [ 4.951792] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.032532] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 5.037262] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.049442] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.053888] microcode: Microcode Update Driver: v2.2. [ 5.053908] IPI shorthand broadcast: enabled [ 5.054038] sched_clock: Marking stable (4971713915, 81713323)->(5058121945, -4694707) [ 5.210522] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.210558] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.210569] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.232593] registered taskstats version 1 [ 5.236001] usb 1-5: Manufacturer: Quanta [ 5.236010] usb 1-5: SerialNumber: 0x0001 [ 5.298481] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.304636] Loading compiled-in X.509 certificates [ 5.312404] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.326003] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.337818] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.345332] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.345343] usb 2-5: Product: USB 10/100/1000 LAN [ 5.345351] usb 2-5: Manufacturer: Realtek [ 5.345359] usb 2-5: SerialNumber: 001000001 [ 5.442589] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.453887] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.471620] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.488573] PM: Magic number: 10:679:749 [ 5.493361] tty ttyS0: hash matches [ 5.497529] drm card0-HDMI-A-2: hash matches [ 5.503167] printk: console [netcon0] enabled [ 5.508196] netconsole: network logging started [ 5.578310] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.587562] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.602369] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.693895] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.742246] r8152 2-5:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 5.783988] r8152 2-5:1.0 eth0: v1.11.11 [ 5.789763] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.790988] IP-Config: Failed to open gretap0 [ 5.802959] IP-Config: Failed to open erspan0 [ 5.827760] Sending DHCP requests . [ 7.413313] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.425161] r8152 2-5:1.0 eth0: carrier on [ 8.768734] ., OK [ 8.778967] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.16 [ 8.788048] IP-Config: Complete: [ 8.791740] device=eth0, hwaddr=00:e0:4c:68:0d:ad, ipaddr=192.168.201.16, mask=255.255.255.0, gw=192.168.201.1 [ 8.803491] host=asus-C523NA-A20057-coral-cbg-4, domain=lava-rack, nis-domain=(none) [ 8.812703] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.812714] nameserver0=192.168.201.1 [ 8.826306] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.851180] modprobe (100) used greatest stack depth: 14208 bytes left [ 8.864734] modprobe (101) used greatest stack depth: 14016 bytes left [ 8.867994] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.880675] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.881076] ALSA device list: [ 8.890625] cfg80211: failed to load regulatory.db [ 8.899439] No soundcards found. [ 8.904966] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 8.928919] Freeing unused kernel image (initmem) memory: 2028K [ 8.942964] Write protecting the kernel read-only data: 28672k [ 8.955323] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.965649] Freeing unused kernel image (rodata/data gap) memory: 1424K [ 8.973809] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 9.078484] systemd-udevd (122) used greatest stack depth: 13576 bytes left [ 10.289891] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 10.300245] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.421632] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.655973] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.676252] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:0d:ad mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.16 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C523NA-A20057-coral-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.943533] nfsmount (162) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 12.674048] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.715362] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 12.755104] systemd[1]: Set hostname to . [ 14.088706] systemd[1]: Queued start job for default target Graphical Interface. [ 14.106924] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 14.126533] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 14.145240] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 14.163996] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 14.182591] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 14.203139] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 14.225710] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 14.249302] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 14.266240] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 14.278155] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 14.295142] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 14.307182] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 14.320546] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 14.341782] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 14.361662] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 14.381373] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 14.396881] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 14.418697] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 14.436816] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 14.461627] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 14.483120] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 14.509309] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 14.533802] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 14.559917] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 14.594286] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 14.616871] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 14.640861] systemd[1]: Starting Load Kernel Module fuse... [ 14.644187] mount (189) used greatest stack depth: 12528 bytes left Starting [0;1;39mLoad Kernel Module fuse[0m... [ 14.672263] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.700319] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 14.729889] fuse: init (API version 7.32) [ 14.735767] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 14.758025] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 14.783864] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 14.818080] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 14.839471] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 14.858207] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 14.875192] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 14.898227] 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. [ 14.923403] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.933206] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 14.953887] systemd[1]: modprobe@drm.service: Succeeded. [ 14.962963] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 14.983118] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.992798] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 15.013189] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 15.033106] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 15.059651] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 15.082060] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 15.108109] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 15.118696] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 15.137044] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 15.163481] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 15.189311] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 15.210529] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 15.231820] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 15.278874] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 15.296765] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 15.325058] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 15.463843] systemd[1]: Finished Create System Users. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 15.486796] systemd[1]: Starting Create Static Device Nodes in /dev... Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 15.566284] 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. [ 15.697276] 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] Found device [0;1;39mCeleron N3350…3900 Series HSUART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] 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] Finished [0;1;39mCreate Volatile Files and Directories[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;39mNetwork Time Synchronization[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] Started [0;1;39mNetwork Time Synchronization[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Set[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Synchronized[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] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork 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] 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] 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 5.10.150-cip18 #1 SMP Wed Oct 26 17:15:56 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/7729346/extract-nfsrootfs-llj6atf6' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7729346/extract-nfsrootfs-llj6atf6' / # 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-7729346/environment . /lava-7729346/environment / # /lava-7729346/bin/lava-test-runner /lava-7729346/0 /lava-7729346/bin/lava-test-runner /lava-7729346/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7729346/0/tests/0_timesync-off ++ cat uuid + UUID=7729346_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7729346/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7729346_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/v5.10.147-cip18-451-g87ba4bc77ca06/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-7729346/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-10-26 19:45:08-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.147-cip18-451-g87ba4bc77ca06/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: 3539616 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 179KB/s kselftest.tar.xz 6%[> ] 219.84K 385KB/s kselftest.tar.xz 23%[===> ] 815.64K 786KB/s kselftest.tar.xz 70%[=============> ] 2.39M 1.88MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.31MB/s in 1.5s 2022-10-26 19:45:11 (2.31 MB/s) - 'kselftest.tar.xz' saved [3539616/3539616] 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 ======================================== [ 63.175919] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 63.755314] lkdtm: Performing direct entry BUG [ 63.760659] ------------[ cut here ]------------ [ 63.765945] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 63.771908] invalid opcode: 0000 [#1] SMP PTI [ 63.776800] CPU: 1 PID: 725 Comm: cat Tainted: G W 5.10.150-cip18 #1 [ 63.785382] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 63.792020] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.796413] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 63.817444] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 63.823295] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.831297] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 63.839293] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 63.847291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 63.855288] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 63.863272] FS: 00007f32d01ce580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 63.872348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.878782] CR2: 00007f32cffd7000 CR3: 000000010402c000 CR4: 00000000003506e0 [ 63.886767] Call Trace: [ 63.889514] direct_entry.cold+0x2c/0x38 [ 63.893909] full_proxy_write+0x56/0x80 [ 63.898205] vfs_write+0xea/0x3a0 [ 63.901915] ksys_write+0x68/0xf0 [ 63.905635] do_syscall_64+0x33/0x40 [ 63.909641] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.915300] RIP: 0033:0x7f32d00e48f3 [ 63.919303] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.940311] RSP: 002b:00007fffc88d2668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.948779] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f32d00e48f3 [ 63.956775] RDX: 0000000000000004 RSI: 00007f32cffd7000 RDI: 0000000000000001 [ 63.964776] RBP: 00007f32cffd7000 R08: 00007f32cffd6010 R09: 0000000000000000 [ 63.972768] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.980757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.988750] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.004805] ---[ end trace 84c2823588420cd3 ]--- [ 64.010006] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 64.014432] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 64.035475] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 64.041356] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.049372] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 64.057369] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 64.065366] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 64.073390] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 64.081393] FS: 00007f32d01ce580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 64.090468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.096925] CR2: 00007f32cffd7000 CR3: 000000010402c000 CR4: 00000000003506e0 # Segmentation fault # [ 63.755314] lkdtm: Performing direct entry BUG # [ 63.760659] ------------[ cut here ]------------ # [ 63.765945] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 63.771908] invalid opcode: 0000 [#1] SMP PTI # [ 63.776800] CPU: 1 PID: 725 Comm: cat Tainted: G W 5.10.150-cip18 #1 # [ 63.785382] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.792020] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.796413] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 63.817444] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 63.823295] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 63.831297] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 63.839293] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 63.847291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 63.855288] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 63.863272] FS: 00007f32d01ce580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 63.872348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.878782] CR2: 00007f32cffd7000 CR3: 000000010402c000 CR4: 00000000003506e0 # [ 63.886767] Call Trace: # [ 63.889514] direct_entry.cold+0x2c/0x38 # [ 63.893909] full_proxy_write+0x56/0x80 # [ 63.898205] vfs_write+0xea/0x3a0 # [ 63.901915] ksys_write+0x68/0xf0 # [ 63.905635] do_syscall_64+0x33/0x40 # [ 63.909641] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.915300] RIP: 0033:0x7f32d00e48f3 # [ 63.919303] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.940311] RSP: 002b:00007fffc88d2668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.948779] RAX: ffffffffffffffda RB[ 64.341498] lkdtm: Performing direct entry WARNING X: 0000000000000004 RCX: 00007f32d00e48f3 # [ 63.956775] RDX:[ 64.347283] ------------[ cut here ]------------ 0000000000000004 RSI: 00007f32cffd7000 RDI: 0000000000000001 #[ 64.358694] WARNING: CPU: 3 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 63.964776] RBP: 00007f32cffd7000 R08: 00007f32cffd6010 R09:[ 64.374440] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000000000 # [ 63.972768] R10: fffffffffffffbc5 R11: 0[ 64.396858] CPU: 3 PID: 761 Comm: cat Tainted: G D W 5.10.150-cip18 #1 000000000000246 R12: 0000000000000001 # [ 63.980757] R13: 000[ 64.411484] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 64.424521] RIP: 0010:lkdtm_WARNING+0x13/0x20 63.988750] Modules linked in: fuse ip_tables cros_ec_sysfs cros[ 64.435621] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 d4 _ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_therma[ 64.462763] RSP: 0018:ffffadee01417e60 EFLAGS: 00010202 l cros_ec_dev cros_usbpd_notify # [ 64.004805] ---[ end trace[ 64.474840] RAX: ffffffff9fcdf0d0 RBX: 0000000000000002 RCX: 0000000000000000 84c2823588420cd3 ]--- # [ 64.010006] RIP: 0010:lkdtm_BUG+0x5[ 64.488956] RDX: 0000000000000000 RSI: ffff90cf7bd9bf70 RDI: ffffffffa099b2a0 /0x10 # [ 64.014432] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea f[ 64.503256] RBP: ffffffffa0d8259f R08: 0000000000000000 R09: 0000000000000000 f ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff[ 64.517449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0[ 64.531653] R13: ffffadee01417f10 R14: ffffadee01417f10 R15: ffff90cf03ed3000 f 1f 44 00 00 83 05 50 d4 92 02 # [ 64.035475] RSP: 0018:ffff[ 64.545910] FS: 00007fa50d631580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 adee0139fe60 EFLAGS: 00010286 # [ 64.041356] RAX: ffffffff9fc[ 64.561202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 df0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.0493[ 64.573885] CR2: 00007fa50d43a000 CR3: 0000000104e16000 CR4: 00000000003506e0 72] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa09[ 64.588181] Call Trace: 9b290 # [ 64.057369] RBP: ffffffffa0dddb28 R08: 0000000000000[ 64.597171] direct_entry.cold+0x2c/0x38 001 R09: 0000000000000001 # [ 64.065366] R10: 00000000ffffe00[ 64.607794] full_proxy_write+0x56/0x80 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 64.073390] [ 64.618318] vfs_write+0xea/0x3a0 R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e200[ 64.628277] ksys_write+0x68/0xf0 0 # [ 64.081393] FS: 00007f32d01ce580(0000) GS:ffff90cf7bc80[ 64.638225] do_syscall_64+0x33/0x40 000(0000) knlGS:0000000000000000 # [ 64.090468] CS: 0010 DS:[ 64.648506] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000 ES: 0000 CR0: 0000000080050033 # [ 64.096925] CR2: 0000[ 64.660394] RIP: 0033:0x7fa50d5478f3 7f32cffd7000 CR3: 000000010402c000 CR4: 00000000003506e0 # BUG:[ 64.670643] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selft[ 64.697931] RSP: 002b:00007ffd717e2708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ests: lkdtm: WARNING.sh [ 64.712652] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fa50d5478f3 [ 64.723119] RDX: 0000000000000008 RSI: 00007fa50d43a000 RDI: 0000000000000001 [ 64.731136] RBP: 00007fa50d43a000 R08: 00007fa50d439010 R09: 0000000000000000 [ 64.739152] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.747163] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.755208] irq event stamp: 0 [ 64.758649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.765711] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.775059] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.784311] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.791450] ---[ end trace 84c2823588420cd4 ]--- # [ 64.341498] lkdtm: Performing direct entry WARNING # [ 64.347283] ------------[ cut here ]------------ # [ 64.358694] WARNING: CPU: 3 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 64.374440] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.396858] CPU: 3 PID: 761 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 64.411484] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.424521] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 64.435621] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 d4 # [ 64.462763] RSP: 0018:ffffadee01417e60 EFLAGS: 00010202 # [ 64.474840] RAX: ffffffff9fcdf0d0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 64.488956] RDX: 0000000000000000 RSI: ffff90cf7bd9bf70 RDI: ffffffffa099b2a0 # [ 64.503256] RBP: ffffffffa0d8259f R08: 0000000000000000 R09: 0000000000000000 # [ 64.517449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 64.531653] R13: ffffadee01417f10 R14: ffffadee01417f10 R15: ffff90cf03ed3000 # [ 64.545910] FS: 00007fa50d631580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 64.561202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.573885] CR2: 00007fa50d43a000 CR3: 0000000104e16000 CR4: 00000000003506e0 # [ 64.588181] Call Trace: # [ 64.597171] direct_entry.cold+0x2c/0x38 # [ 64.607794] full_proxy_write+0x56/0x80 # [ 64.618318] vfs_write+0xea/0x3a0 # [ 64.628277] ksys_write+0x68/0xf0 # [ 64.638225] do_syscall_64+0x33/0x40 # [ 64.648506] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.660394] RIP: 0033:0x7fa50d5478f3 # [ 64.670643] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8[ 65.053242] lkdtm: Performing direct entry WARNING_MESSAGE [ 65.062095] ------------[ cut here ]------------ [ 65.067296] Warning message trigger count: 2 9 54 24 18 # [ 64.697931] RSP: 002b:00007ffd717e2708 EFLAGS: [ 65.072166] WARNING: CPU: 1 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 00000246 ORIG_RAX: 0000000000000001 # [ 64.712652] RAX: fffff[ 65.088616] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.110846] CPU: 1 PID: 796 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 65.119439] Hardware name: Google Coral/Coral, BIOS 09/29/2020 fffffffffda RBX: 0000000000000008 RCX: 00007fa50d5478f3 # [ 6[ 65.126137] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 65.138059] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 d4 92 02 48 c7 c7 00 2b d8 a0 8d 70 01 89 35 21 d4 92 02 e8 fb 36 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 65.159095] RSP: 0018:ffffadee0148fe60 EFLAGS: 00010286 [ 65.164968] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 65.172964] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 [ 65.180984] RBP: ffffffffa0d825a7 R08: 0000000000000000 R09: 0000000000000000 [ 65.188993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 65.196999] R13: ffffadee0148ff10 R14: ffffadee0148ff10 R15: ffff90cf04c38000 [ 65.205009] FS: 00007f13b7b57580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 65.214093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.220548] CR2: 00007f13b7960000 CR3: 000000010544a000 CR4: 00000000003506e0 [ 65.228565] Call Trace: [ 65.231336] direct_entry.cold+0x2c/0x38 [ 65.235760] full_proxy_write+0x56/0x80 [ 65.240087] vfs_write+0xea/0x3a0 [ 65.243818] ksys_write+0x68/0xf0 4.723119] RDX: 0000000000000008 RSI: 00007fa50d43a000 RDI: 00000[ 65.247558] do_syscall_64+0x33/0x40 [ 65.257810] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.263489] RIP: 0033:0x7f13b7a6d8f3 [ 65.267513] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000000001 # [ 64.731136] RBP: 00007fa50d43a000 R08: 00007fa[ 65.288540] RSP: 002b:00007fffa921f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.303215] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f13b7a6d8f3 [ 65.311204] RDX: 0000000000000010 RSI: 00007f13b7960000 RDI: 0000000000000001 [ 65.319205] RBP: 00007f13b7960000 R08: 00007f13b795f010 R09: 0000000000000000 [ 65.327203] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.335203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.343219] irq event stamp: 0 [ 65.346651] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.353675] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.362841] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 50d439010 R09: 0000000000000000 # [ 64.739152] R10: fffffffff[ 65.372009] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.74[ 65.385232] ---[ end trace 84c2823588420cd5 ]--- 7163] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.755208] irq event stamp: 0 # [ 64.758649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.765711] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.775059] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.784311] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.791450] ---[ end trace 84c2823588420cd4 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 65.053242] lkdtm: Performing direct entry WARNING_MESSAGE # [ 65.062095] ------------[ cut here ]------------ # [ 65.067296] Warning message trigger count: 2 # [ 65.072166] WARNING: CPU: 1 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 65.088616] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.110846] CPU: 1 PID: 796 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 65.119439] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.126137] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 65.138059] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 d4 92 02 48 c7 c7 00 2b d8 a0 8d 70 01 89 35 21 d4 92 02 e8 fb 36 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 65.159095] RSP: 0018:ffffadee0148fe60 EFLAGS: 00010286 # [ 65.164968] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 65.172964] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 # [ 65.180984] RBP: ffffffffa0d825a7 R08: 0000000000000000 R09: 0000000000000000 # [ 65.188993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 65.196999] R13: ffffadee0148ff10 R14: ffffadee0148ff10 R15: ffff90cf04c38000 # [ 65.205009] FS: 00007f13b7b57580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 65.214093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.220548] CR2: 00007f13b7960000 CR3: 000000010544a000 CR4: 00000000003506e0 # [ 65.228565] Call Trace: # [ 65.231336] direct_entry.cold+0x2c/0x38 # [ 65.235760] full_proxy_write+0x56/0x80 # [ 65.240087] vfs_w[ 65.626224] lkdtm: Performing direct entry EXCEPTION [ 65.632377] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 65.640164] #PF: supervisor write access in kernel mode [ 65.646007] #PF: error_code(0x0002) - not-present page [ 65.651748] PGD 0 P4D 0 [ 65.654586] Oops: 0002 [#2] SMP PTI [ 65.658496] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 65.667059] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.673690] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 65.678662] Code: 48 c7 c7 00 2b d8 a0 8d 70 01 89 35 21 d4 92 02 e8 fb 36 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 65.699672] RSP: 0018:ffffadee01527e60 EFLAGS: 00010282 [ 65.705525] RAX: ffffffff9fcdf120 RBX: 0000000000000004 RCX: 0000000000000000 [ 65.713502] RDX: 0000000000000000 RSI: ffff90cf7bd1bf70 RDI: ffffffffa099b2c0 [ 65.721482] RBP: ffffffffa0cb79af R08: 0000000000000000 R09: 0000000000000000 [ 65.729459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 65.737452] R13: ffffadee01527f10 R14: ffffadee01527f10 R15: ffff90cf0550f000 [ 65.745439] FS: 00007f4cdd4e4580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 65.754488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.760910] CR2: 0000000000000000 CR3: 000000010566a000 CR4: 00000000003506e0 [ 65.768890] Call Trace: [ 65.771636] direct_entry.cold+0x2c/0x38 [ 65.776021] full_proxy_write+0x56/0x80 [ 65.780312] vfs_write+0xea/0x3a0 [ 65.784021] ksys_write+0x68/0xf0 [ 65.787732] do_syscall_64+0x33/0x40 [ 65.791734] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.797390] RIP: 0033:0x7f4cdd3fa8f3 [ 65.801390] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.822389] RSP: 002b:00007ffd9ec30aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.830847] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4cdd3fa8f3 [ 65.838828] RDX: 000000000000000a RSI: 00007f4cdd2ed000 RDI: 0000000000000001 [ 65.846804] RBP: 00007f4cdd2ed000 R08: 00007f4cdd2ec010 R09: 0000000000000000 [ 65.854783] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.862759] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.870745] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.886718] CR2: 0000000000000000 [ 65.890430] ---[ end trace 84c2823588420cd6 ]--- [ 65.895596] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.899981] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 65.920991] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 65.926835] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.934816] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 65.942790] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 65.950775] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.958755] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 65.966730] FS: 00007f4cdd4e4580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 65.975777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.982201] CR2: 0000000000000000 CR3: 000000010566a000 CR4: 00000000003506e0 [ 65.990180] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 66.000100] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat [ 66.008470] INFO: lockdep is turned off. [ 66.012860] irq event stamp: 0 [ 66.016276] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.023287] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.032452] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.041614] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.048643] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 66.057209] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.063832] Call Trace: [ 66.066576] dump_stack+0x77/0x9b [ 66.070292] ___might_sleep.cold+0xa6/0xb6 [ 66.074884] exit_signals+0x1c/0x2e0 [ 66.078884] do_exit+0xd5/0xb00 [ 66.082397] ? ksys_write+0x68/0xf0 [ 66.086299] rewind_stack_do_exit+0x17/0x20 [ 66.090977] RIP: 0033:0x7f4cdd3fa8f3 [ 66.094978] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.115979] RSP: 002b:00007ffd9ec30aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.124453] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4cdd3fa8f3 [ 66.132430] RDX: 000000000000000a RSI: 00007f4cdd2ed000 RDI: 0000000000000001 [ 66.140409] RBP: 00007f4cdd2ed000 R08: 00007f4cdd2ec010 R09: 0000000000000000 [ 66.148390] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.156371] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rite+0xea/0x3a0 # [ 65.243818] ksys_write+0x68/0xf0 # [ 65.247558] do_syscall_64+0x33/0x40 # [ 65.257810] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.263489] RIP: 0033:0x7f13b7a6d8f3 # [ 65.267513] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.288540] RSP: 002b:00007fffa921f078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.303215] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f13b7a6d8f3 # [ 65.311204] RDX: 0000000000000010 RSI: 00007f13b7960000 RDI: 0000000000000001 # [ 65.319205] RBP: 00007f13b7960000 R08: 00007f13b795f010 R09: 0000000000000000 # [ 65.327203] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.335203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.343219] irq event stamp: 0 # [ 65.346651] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.353675] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.362841] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.372009] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.385232] ---[ end trace 84c2823588420cd5 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 65.626224] lkdtm: Performing direct entry EXCEPTION # [ 65.632377] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 65.640164] #PF: supervisor write access in kernel mode # [ 65.646007] #PF: error_code(0x0002) - not-present page # [ 65.651748] PGD 0 P4D 0 # [ 65.654586] Oops: 0002 [#2] SMP PTI # [ 65.658496] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 65.667059] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.673690] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 65.678662] Code: 48 c7 c7 00 2b d8 a0 8d 70 01 89 35 21 d4 92 02 e8 fb 36 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 65.699672] RSP: 0018:ffffadee01527e60 EFLAGS: 00010282 # [ 65.705525] RAX: ffffffff9fcdf120 RBX: 0000000000000004 RCX: 0000000000000000 # [ 65.713502] RDX: 0000000000000000 RSI: ffff90cf7bd1bf70 RDI: ffffffffa099b2c0 # [ 65.721482] RBP: ffffffffa0cb79af R08: 0000000000000000 R09: 0000000000000000 # [ 65.729459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 65.737452] R13: ffffadee01527f10 R14: ffffadee01527f10 R15: ffff90cf0550f000 # [ 65.745439] FS: 00007f4cdd4e4580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 65.754488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.760910] CR2: 0000000000000000 CR3: 000000010566a000 CR4: 00000000003506e0 # [ 65.768890] Call Trace: # [ 65.771636] direct_entry.cold+0x2c/0x38 # [ 65.776021] full_proxy_write+0x56/0x80 # [ 65.780312] vfs_write+0xea/0x3a0 # [ 65.784021] ksys_write+0x68/0xf0 # [ 65.787732] do_syscall_64+0x33/0x40 # [ 65.791734] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.797390] RIP: 0033:0x7f4cdd3fa8f3 # [ 65.801390] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.822389] RSP: 002b:00007ffd9ec30aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.830847] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4cdd3fa8f3 # [ 65.838828] RDX: 000000000000000a RSI: 00007f4cdd2ed000 RDI: 0000000000000001 # [ 65.846804] RBP: 00007f4cdd2ed000 R08: 00007f4cdd2ec010 R09: 0000000000000000 # [ 65.854783] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.862759] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.870745] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.886718] CR2: 0000000000000000 # [ 65.890430] ---[ end trace 84c2823588420cd6 ]--- # [ 65.895596] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.899981] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 65.920991] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 65.926835] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.934816] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 65.942790] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 65.950775] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.958755] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 65.966730] FS: 00007f4cdd4e4580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 65.975777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.982201] CR2: 0000000000000000 CR3: 000000010566a000 CR4: 00000000003506e0 # [ 65.990180] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 66.000100] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat # [ 66.008470] INFO: lockdep is turned off. # [ 66.012860] irq event stamp: 0 # [ 66.016276] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.023287] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.032452] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.041614] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.048643] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 66.057209] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.063832] Call Trace: # [ 66.066576] dump_stack+0x77/0x9b # [ 66.070292] ___might_sleep.cold+0xa6/0xb6 # [ 66.074884] exit_signals+0x1c/0x2e0 # [ 66.078884] do_exit+0xd5/0xb00 # [ 66.082397] ? ksys_write+0x68/0xf0 # [ 66.086299] rewind_stack_do_exit+0x17/0x20 # [ 66.090977] RIP: 0033:0x7f4cdd3fa8f3 # [ 66.094978] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.115979] RSP: 002b:00007ffd9ec30aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.124453] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4cdd3fa8f3 # [ 66.132430] RDX: 000000000000000a RSI: 00007f4cdd2ed000 RDI: 0000000000000001 # [ 66.140409] RBP: 00007f4cdd2ed000 R08: 00007f4cdd2ec010 R09: 0000000000000000 # [ 66.148390] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.156371] 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 [ 66.976233] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 66.982526] lkdtm: attempting good list addition [ 66.987727] lkdtm: attempting corrupted list addition [ 66.993432] lkdtm: list_add() corruption not detected! # [ 66.976233] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 66.982526] lkdtm: attempting good list addition # [ 66.987727] lkdtm: attempting corrupted list addition # [ 66.993432] 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 [ 67.221326] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 67.227635] lkdtm: attempting good list removal [ 67.232738] lkdtm: attempting corrupted list removal [ 67.238305] lkdtm: list_del() corruption not detected! # [ 67.221326] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 67.227635] lkdtm: attempting good list removal # [ 67.232738] lkdtm: attempting corrupted list removal # [ 67.238305] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh [ 67.457184] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 67.464260] lkdtm: attempting bad read from page below current stack [ 67.471412] BUG: stack guard page was hit at 000000006291c189 (stack is 00000000e9e933d3..00000000493cef44) [ 67.482313] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 67.489137] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 67.497796] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.504431] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 67.510958] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 2e d8 a0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 aa a0 fd ff 48 c7 c7 e0 2e d8 a0 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 90 a0 fd ff 0f 1f 44 [ 67.531963] RSP: 0018:ffffadee0187fe50 EFLAGS: 00010246 [ 67.537810] RAX: 0000000000000038 RBX: ffffadee0187c000 RCX: 0000000000000000 [ 67.545792] RDX: 0000000000000000 RSI: ffff90cf7bd1bf70 RDI: ffffffffa0d82ee0 [ 67.553773] RBP: ffffffffa0d8260a R08: 0000000000000000 R09: 0000000000000000 [ 67.561756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 67.569737] R13: ffffadee0187ff10 R14: ffffadee0187ff10 R15: ffff90cf03da4000 [ 67.577720] FS: 00007fb1bd38d580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 67.586777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.593200] CR2: ffffadee0187bfff CR3: 0000000103dfa000 CR4: 00000000003506e0 [ 67.601176] Call Trace: [ 67.603920] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 67.608988] direct_entry.cold+0x2c/0x38 [ 67.613383] full_proxy_write+0x56/0x80 [ 67.617682] vfs_write+0xea/0x3a0 [ 67.621402] ksys_write+0x68/0xf0 [ 67.625116] do_syscall_64+0x33/0x40 [ 67.629117] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.634772] RIP: 0033:0x7fb1bd2a38f3 [ 67.638774] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.659784] RSP: 002b:00007ffedb276c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.668250] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb1bd2a38f3 [ 67.676228] RDX: 0000000000000019 RSI: 00007fb1bd196000 RDI: 0000000000000001 [ 67.684206] RBP: 00007fb1bd196000 R08: 00007fb1bd195010 R09: 0000000000000000 [ 67.692195] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.700184] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.708191] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.724199] ---[ end trace 84c2823588420cd7 ]--- [ 67.729371] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 67.733758] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 67.754758] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 67.760608] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 67.768595] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 67.776591] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 67.784583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 67.792581] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 67.800573] FS: 00007fb1bd38d580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 67.809631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.816066] CR2: ffffadee0187bfff CR3: 0000000103dfa000 CR4: 00000000003506e0 [ 67.824064] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 67.833999] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1053, name: cat [ 67.842466] INFO: lockdep is turned off. [ 67.846851] irq event stamp: 0 [ 67.850271] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.857295] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.866463] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.875616] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.882623] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 67.891281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.897908] Call Trace: [ 67.900653] dump_stack+0x77/0x9b [ 67.904371] ___might_sleep.cold+0xa6/0xb6 [ 67.908961] exit_signals+0x1c/0x2e0 [ 67.912961] do_exit+0xd5/0xb00 [ 67.916479] ? ksys_write+0x68/0xf0 [ 67.920394] rewind_stack_do_exit+0x17/0x20 [ 67.925080] RIP: 0033:0x7fb1bd2a38f3 [ 67.929083] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.950099] RSP: 002b:00007ffedb276c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.958572] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb1bd2a38f3 [ 67.966553] RDX: 0000000000000019 RSI: 00007fb1bd196000 RDI: 0000000000000001 [ 67.974535] RBP: 00007fb1bd196000 R08: 00007fb1bd195010 R09: 0000000000000000 [ 67.982519] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.990506] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 67.457184] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 67.464260] lkdtm: attempting bad read from page below current stack # [ 67.471412] BUG: stack guard page was hit at 000000006291c189 (stack is 00000000e9e933d3..00000000493cef44) # [ 67.482313] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 67.489137] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 67.497796] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.504431] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 67.510958] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 2e d8 a0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 aa a0 fd ff 48 c7 c7 e0 2e d8 a0 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 90 a0 fd ff 0f 1f 44 # [ 67.531963] RSP: 0018:ffffadee0187fe50 EFLAGS: 00010246 # [ 67.537810] RAX: 0000000000000038 RBX: ffffadee0187c000 RCX: 0000000000000000 # [ 67.545792] RDX: 0000000000000000 RSI: ffff90cf7bd1bf70 RDI: ffffffffa0d82ee0 # [ 67.553773] RBP: ffffffffa0d8260a R08: 0000000000000000 R09: 0000000000000000 # [ 67.561756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 67.569737] R13: ffffadee0187ff10 R14: ffffadee0187ff10 R15: ffff90cf03da4000 # [ 67.577720] FS: 00007fb1bd38d580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 67.586777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.593200] CR2: ffffadee0187bfff CR3: 0000000103dfa000 CR4: 00000000003506e0 # [ 67.601176] Call Trace: # [ 67.603920] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 67.608988] direct_entry.cold+0x2c/0x38 # [ 67.613383] full_proxy_write+0x56/0x80 # [ 67.617682] vfs_write+0xea/0x3a0 # [ 67.621402] ksys_write+0x68/0xf0 # [ 67.625116] do_syscall_64+0x33/0x40 # [ 67.629117] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.634772] RIP: 0033:0x7fb1bd2a38f3 # [ 67.638774] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.659784] RSP: 002b:00007ffedb276c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.668250] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb1bd2a38f3 # [ 67.676228] RDX: 0000000000000019 RSI: 00007fb1bd196000 RDI: 0000000000000001 # [ 67.684206] RBP: 00007fb1bd196000 R08: 00007fb1bd195010 R09: 0000000000000000 # [ [ 68.279410] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 68.286772] lkdtm: attempting bad read from page above current stack [ 68.293933] BUG: stack guard page was hit at 00000000eb880c66 (stack is 00000000b0b150a1..000000003582e8aa) 6[7.692195] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000 68.304827] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 68.317869] CPU: 2 PID: 1086 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 68.326534] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.333165] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 0000000000001 # [ 67.700184] R13: 0000000000000001 R14: 00000[ 68.339791] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 18 2f d8 a0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 70 a0 fd ff 48 c7 c7 58 2f d8 a0 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 53 a0 fd ff [ 68.367002] RSP: 0018:ffffadee018f7e50 EFLAGS: 00010246 [ 68.372845] RAX: 0000000000000038 RBX: ffffadee018f4000 RCX: 0000000000000000 [ 68.380824] RDX: 0000000000000000 RSI: ffff90cf7bd1bf70 RDI: ffffffffa0d82f58 [ 68.388802] RBP: ffffffffa0d82623 R08: 0000000000000000 R09: 0000000000000000 [ 68.396783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 68.404777] R13: ffffadee018f7f10 R14: ffffadee018f7f10 R15: ffff90cf029f2000 [ 68.412772] FS: 00007f91a46e3580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 68.421825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.428246] CR2: ffffadee018f8000 CR3: 00000001026a4000 CR4: 00000000003506e0 [ 68.436226] Call Trace: [ 68.438974] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 68.444827] direct_entry.cold+0x2c/0x38 [ 68.449217] full_proxy_write+0x56/0x80 [ 68.453511] vfs_write+0xea/0x3a0 [ 68.457222] ksys_write+0x68/0xf0 [ 68.460926] do_syscall_64+0x33/0x40 [ 68.464927] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.470593] RIP: 0033:0x7f91a45f98f3 [ 68.474600] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.495595] RSP: 002b:00007ffc9dabd948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.504060] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f91a45f98f3 [ 68.512041] RDX: 000000000000001a RSI: 00007f91a44ec000 RDI: 0000000000000001 [ 68.520018] RBP: 00007f91a44ec000 R08: 00007f91a44eb010 R09: 0000000000000000 [ 68.527994] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.535970] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.543956] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.559940] ---[ end trace 84c2823588420cd8 ]--- [ 68.565104] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.569490] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 68.590481] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 68.596324] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.604302] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 68.612287] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 68.620270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.628248] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 68.636223] FS: 00007f91a46e3580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 68.645275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.651698] CR2: ffffadee018f8000 CR3: 00000001026a4000 CR4: 00000000003506e0 00000020000 R15: 0000000000020000 # [ 67.708191] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.724199] ---[ end trace 84c2823588420cd7 ]--- # [ 67.729371] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 67.733758] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 67.754758] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 67.760608] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 67.768595] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 67.776591] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 67.784583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 67.792581] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 67.800573] FS: 00007fb1bd38d580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 67.809631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.816066] CR2: ffffadee0187bfff CR3: 0000000103dfa000 CR4: 00000000003506e0 # [ 67.824064] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 67.833999] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1053, name: cat # [ 67.842466] INFO: lockdep is turned off. # [ 67.846851] irq event stamp: 0 # [ 67.850271] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.857295] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.866463] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.875616] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.882623] CPU: 2 PID: 1053 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 67.891281] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.897908] Call Trace: # [ 67.900653] dump_stack+0x77/0x9b # [ 67.904371] ___might_sleep.cold+0xa6/0xb6 # [ 67.908961] exit_signals+0x1c/0x2e0 # [ 67.912961] do_exit+0xd5/0xb00 # [ 67.916479] ? ksys_write+0x68/0xf0 # [ 67.920394] rewind_stack_do_exit+0x17/0x20 # [ 67.925080] RIP: 0033:0x7fb1bd2a38f3 # [ 67.929083] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.950099] RSP: 002b:00007ffedb276c78[ 68.912344] lkdtm: Performing direct entry UNSET_SMEP EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.958572] R[ 68.920562] lkdtm: trying to clear SMEP normally AX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb1bd2a38f3[ 68.931941] ------------[ cut here ]------------ [ 68.943348] pinned CR4 bits changed: 0x100000!? [ 68.948449] WARNING: CPU: 1 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 68.958684] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.974687] CPU: 1 PID: 1122 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 68.983364] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.990051] RIP: 0010:native_write_cr4+0x45/0x60 [ 68.995266] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d bc 90 e3 01 00 75 f2 48 c7 c7 f0 19 cc a0 c6 05 ac 90 e3 01 01 e8 a6 e0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 69.016294] RSP: 0018:ffffadee0198fe48 EFLAGS: 00010286 [ 69.022162] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 [ 69.030153] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 [ 69.038161] RBP: ffffffffa0d8263d R08: 0000000000000000 R09: 0000000000000000 [ 69.046164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 69.054168] R13: ffffadee0198ff10 R14: ffffadee0198ff10 R15: ffff90cf04d26000 [ 69.062181] FS: 00007f5225a82580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 69.071261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.077704] CR2: 00007f522588b000 CR3: 000000010324c000 CR4: 00000000003506e0 [ 69.085706] Call Trace: [ 69.088469] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 69.093370] direct_entry.cold+0x2c/0x38 [ 69.097786] full_proxy_write+0x56/0x80 [ 69.102101] vfs_write+0xea/0x3a0 [ 69.105841] ksys_write+0x68/0xf0 [ 69.109578] do_syscall_64+0x33/0x40 [ 69.113607] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.119290] RIP: 0033:0x7f52259988f3 [ 69.123313] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.144359] RSP: 002b:00007fffd1eb7968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.152867] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f52259988f3 [ 69.160876] RDX: 000000000000000b RSI: 00007f522588b000 RDI: 0000000000000001 [ 69.168891] RBP: 00007f522588b000 R08: 00007f522588a010 R09: 0000000000000000 [ 69.176910] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.184930] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.192949] irq event stamp: 0 # [ 67.966553] RDX: 0000000000000019 RSI: 00007fb1bd196000 R[ 69.196382] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.209645] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.218820] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.227983] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.235015] ---[ end trace 84c2823588420cd9 ]--- [ 69.240188] lkdtm: ok: SMEP did not get cleared [ 69.245275] lkdtm: trying to clear SMEP with call gadget [ 69.251240] lkdtm: ok: SMEP removal was reverted DI: 0000000000000001 # [ 67.974535] RBP: 00007fb1bd196000 R08: 00007fb1bd195010 R09: 0000000000000000 # [ 67.982519] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.990506] 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 # [ 68.279410] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 68.286772] lkdtm: attempting bad read from page above current stack # [ 68.293933] BUG: stack guard page was hit at 00000000eb880c66 (stack is 00000000b0b150a1..000000003582e8aa) # [ 68.304827] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 68.317869] CPU: 2 PID: 1086 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 68.326534] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.333165] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 68.339791] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 18 2f d8 a0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 70 a0 fd ff 48 c7 c7 58 2f d8 a0 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 53 a0 fd ff # [ 68.367002] RSP: 0018:ffffadee018f7e50 EFLAGS: 00010246 # [ 68.372845] RAX: 0000000000000038 RBX: ffffadee018f4000 RCX: 0000000000000000 # [ 68.380824] RDX: 0000000000000000 RSI: ffff90cf7bd1bf70 RDI: ffffffffa0d82f58 # [ 68.388802] RBP: ffffffffa0d82623 R08: 0000000000000000 R09: 0000000000000000 # [ 68.396783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 68.404777] R13: ffffadee018f7f10 R14: ffffadee018f7f10 R15: ffff90cf029f2000 # [ 68.412772] FS: 00007f91a46e3580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 68.421825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.428246] CR2: ffffadee018f8000 CR3: 00000001026a4000 CR4: 00000000003506e0 # [ 68.436226] Call Trace: # [ 68.438974] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 68.444827] direct_entry.cold+0x2c/0x38 # [ 68.449217] full_proxy_write+0x56/0x80 # [ 68.453511] vfs_write+0xea/0x3a0 # [ 68.457222] ksys_write+0x68/0xf0 # [ 68.460926] do_syscall_64+0x33/0x40 # [ 68.464927] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.470593] RIP: 0033:0x7f91a45f98f3 # [ 68.474600] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0[ 69.497164] lkdtm: Performing direct entry DOUBLE_FAULT 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4[ 69.505249] lkdtm: XFAIL: this test is ia32-only 0 00 48 83 ec 28 48 89 54 24 18 # [ 68.495595] RSP: 002b:00007ffc9dabd948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.504060] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f91a45f98f3 # [ 68.512041] RDX: 000000000000001a RSI: 00007f91a44ec000 RDI: 0000000000000001 # [ 68.520018] RBP: 00007f91a44ec000 R08: 00007f91a44eb010 R09: 0000000000000000 # [ 68.527994] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.535970] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.543956] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.559940] ---[ end trace 84c2823588420cd8 ]--- # [ 68.565104] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 68.569490] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 68.590481] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 68.596324] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.604302] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 68.612287] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 68.620270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.628248] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 68.636223] FS: 00007f91a46e3580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 68.645275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.651698] CR2: ffffadee018f8000 CR3: 00000001026a4000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 68.912344] lkdtm: Performing direct entry UNSET_SMEP # [ 68.920562] lkdtm: trying to clear SMEP normally # [ 68.931941] ------------[ cut here ]------------ # [ 68.943348] pinned CR4 bits changed: 0x100000!? # [ 68.948449] WARNING: CPU: 1 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 68.958684] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.974687] CPU: 1 PID: 1122 Com[ 69.749416] lkdtm: Performing direct entry CORRUPT_PAC m: cat Tainted: G D W 5.10.150-cip18 #1 # [ 68.9[ 69.759107] lkdtm: XFAIL: this test is arm64-only 83364] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.990051] RIP: 0010:native_write_cr4+0x45/0x60 # [ 68.995266] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d bc 90 e3 01 00 75 f2 48 c7 c7 f0 19 cc a0 c6 05 ac 90 e3 01 01 e8 a6 e0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 69.016294] RSP: 0018:ffffadee0198fe48 EFLAGS: 00010286 # [ 69.022162] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 69.030153] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 # [ 69.038161] RBP: ffffffffa0d8263d R08: 0000000000000000 R09: 0000000000000000 # [ 69.046164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 69.054168] R13: ffffadee0198ff10 R14: ffffadee0198ff10 R15: ffff90cf04d26000 # [ 69.062181] FS: 00007f5225a82580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 69.071261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.077704] CR2: 00007f522588b000 CR3: 000000010324c000 CR4: 00000000003506e0 # [ 69.085706] Call Trace: # [ 69.088469] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 69.093370] direct_entry.cold+0x2c/0x38 # [ 69.097786] full_proxy_write+0x56/0x80 # [ 69.102101] vfs_write+0xea/0x3a0 # [ 69.105841] ksys_write+0x68/0xf0 # [ 69.109578] do_syscall_64+0x33/0x40 # [ 69.113607] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.119290] RIP: 0033:0x7f52259988f3 # [ 69.123313] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.144359] RSP: 002b:00007fffd1eb7968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.152867] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f52259988f3 # [ 69.160876] RDX: 000000000000000b RSI: 00007f522588b000 RDI: 0000000000000001 # [ 69.168891] RBP: 00007f522588b000 R08: 00007f522588a010 R09: 0000000000000000 # [ 69.176910] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.184930] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.192949] irq event stamp: 0 # [ 69.196382] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.209645] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.218820] softirqs last ena[ 70.002194] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 70.014076] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS bled at (0): [] copy_process+0x640/0x1c80 # [ 69.227983] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.235015] ---[ end trace 84c2823588420cd9 ]--- # [ 69.240188] lkdtm: ok: SMEP did not get cleared # [ 69.245275] lkdtm: trying to clear SMEP with call gadget # [ 69.251240] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 69.497164] lkdtm: Performing direct entry DOUBLE_FAULT # [ 69.505249] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 69.749416] lkdtm: Performing direct entry CORRUPT_PAC # [ 69.759107] 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 # [ 70.002194] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 70.014076] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh [ 70.497206] lkdtm: Performing direct entry READ_AFTER_FREE [ 70.503390] lkdtm: Value in memory before free: 12345678 [ 70.509364] lkdtm: Attempting bad read from freed memory [ 70.515366] lkdtm: Memory was not poisoned # [ 70.497206] lkdtm: Performing direct entry READ_AFTER_FREE # [ 70.503390] lkdtm: Value in memory before free: 12345678 # [ 70.509364] lkdtm: Attempting bad read from freed memory # [ 70.515366] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh [ 70.866490] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 70.873253] lkdtm: Value in memory before free: 12345678 [ 70.879223] lkdtm: Attempting to read from freed memory [ 70.885112] lkdtm: Buddy page was not poisoned # [ 70.866490] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 70.873253] lkdtm: Value in memory before free: 12345678 # [ 70.879223] lkdtm: Attempting to read from freed memory # [ 70.885112] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh [ 71.115709] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 71.122073] lkdtm: Attempting double slab free ... # [ 71.115709] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 71.122073] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh [ 71.352286] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 71.358474] lkdtm: Attempting cross-cache slab free ... # [ 71.352286] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 71.358474] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh [ 71.584187] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 71.590282] lkdtm: Attempting non-Slab slab free ... # [ 71.584187] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 71.590282] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh [ 72.285595] lkdtm: Performing direct entry EXEC_DATA [ 72.291199] lkdtm: attempting ok execution at ffffffff9fcdf490 [ 72.297762] lkdtm: attempting bad execution at ffffffffa260c560 [ 72.304476] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 72.312850] BUG: unable to handle page fault for address: ffffffffa260c560 [ 72.320550] #PF: supervisor instruction fetch in kernel mode [ 72.326888] #PF: error_code(0x0011) - permissions violation [ 72.333126] PGD d229067 P4D d229067 PUD d22a063 PMD 800000000e8000e3 [ 72.340354] Oops: 0011 [#5] SMP PTI [ 72.344260] CPU: 3 PID: 1629 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 72.352931] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 72.359566] RIP: 0010:data_area+0x0/0x40 [ 72.363961] Code: ff ff 00 e3 97 02 cf 90 ff ff 00 e2 97 02 cf 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 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 72.384977] RSP: 0018:ffffadee020bfe48 EFLAGS: 00010246 [ 72.390827] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 72.398817] RDX: 0000000000000000 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 [ 72.406807] RBP: ffffffffa260c560 R08: 0000000000000000 R09: 0000000000000000 [ 72.414790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 72.422769] R13: ffffadee020bff10 R14: ffffadee020bff10 R15: ffff90cf0573a000 [ 72.430748] FS: 00007f047270e580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 [ 72.439796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.446227] CR2: ffffffffa260c560 CR3: 0000000103c56000 CR4: 00000000003506e0 [ 72.454207] Call Trace: [ 72.456954] ? execute_location+0x48/0x56 [ 72.461446] ? direct_entry.cold+0x2c/0x38 [ 72.466030] ? full_proxy_write+0x56/0x80 [ 72.470515] ? vfs_write+0xea/0x3a0 [ 72.474420] ? ksys_write+0x68/0xf0 [ 72.478325] ? do_syscall_64+0x33/0x40 [ 72.482527] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.488390] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 72.504401] CR2: ffffffffa260c560 [ 72.508117] ---[ end trace 84c2823588420cda ]--- [ 72.513278] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 72.517676] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 72.538713] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 72.544557] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 72.552544] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 72.560537] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 72.568524] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 72.576517] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 72.584502] FS: 00007f047270e580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 [ 72.593557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.599988] CR2: ffffffffa260c560 CR3: 0000000103c56000 CR4: 00000000003506e0 [ 72.607984] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 72.617914] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat [ 72.626390] INFO: lockdep is turned off. [ 72.630771] irq event stamp: 0 [ 72.634186] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.641186] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 72.650331] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 72.659476] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.666484] CPU: 3 PID: 1629 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 72.675145] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 72.681763] Call Trace: [ 72.684507] dump_stack+0x77/0x9b [ 72.688219] ___might_sleep.cold+0xa6/0xb6 [ 72.692806] exit_signals+0x1c/0x2e0 [ 72.696805] do_exit+0xd5/0xb00 [ 72.700320] ? ksys_write+0x68/0xf0 [ 72.704230] rewind_stack_do_exit+0x17/0x20 [ 72.708915] RIP: 0033:0x7f04726248f3 [ 72.712916] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.733922] RSP: 002b:00007fff294c4598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.742407] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04726248f3 [ 72.750387] RDX: 000000000000000a RSI: 00007f0472517000 RDI: 0000000000000001 [ 72.758373] RBP: 00007f0472517000 R08: 00007f0472516010 R09: 0000000000000000 [ 72.766358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.774345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 72.285595] lkdtm: Performing direct entry EXEC_DATA # [ 72.291199] lkdtm: attempting ok execution at ffffffff9fcdf490 # [ 72.297762] lkdtm: attempting bad execution at ffffffffa260c560 # [ 72.304476] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 72.312850] BUG: unable to handle page fault for address: ffffffffa260c560 # [ 72.320550] #PF: supervisor instruction fetch in kernel mode # [ 72.326888] #PF: error_code(0x0011) - permissions violation # [ 72.333126] PGD d229067 P4D d229067 PUD d22a063 PMD 800000000e8000e3 # [ 72.340354] Oops: 0011 [#5] SMP PTI # [ 72.344260] CPU: 3 PID: 1629 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 72.352931] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.359566] RIP: 0010:data_area+0x0/0x40 # [ 72.363961] Code: ff ff 00 e3 97 02 cf 90 ff ff 00 e2 97 02 cf 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 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 72.384977] RSP: 0018:ffffadee020bfe48 EFLAGS: 00010246 # [ 72.390827] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 72.398817] RDX: 0000000000000000 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 72.406807] RBP: ffffffffa260c560 R08: 0000000000000000 R09: 0000000000000000 # [ 72.414790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 72.422769] R13: ffffadee020bff10 R14: ffffadee020bff10 R15: ffff90cf0573a000 # [ 72.430748] FS: 00007f047270e580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 72.439796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.446227] CR2: ffffffffa260c560 CR3: 0000000103c56000 CR4: 00000000003506e0 # [ 72.454207] Call Trace: # [ 72.456954] ? execute_location+0x48/0x56 # [ 72.461446] ? direct_entry.cold+0x2c/0x38 # [ 72.466030] ? full_proxy_write+0x56/0x80 # [ 72.470515] ? vfs_write+0xea/0x3a0 # [ 72.474420] ? ksys_write+0x68/0xf0 # [ 72.478325] ? do_syscall_64+0x33/0x40 # [ 72.482527] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.488390] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.504401] CR2: ffffffffa260c560 # [ 72.508117] ---[ end trace 84c2823588420cda ]--- # [ 72.513278] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 72.517676][ 73.071735] lkdtm: Performing direct entry EXEC_STACK Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 [ 73.081597] lkdtm: attempting ok execution at ffffffff9fcdf490 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 0[ 73.094358] lkdtm: attempting bad execution at ffffadee0215fe18 0 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 [ 73.107246] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 73.121817] BUG: unable to handle page fault for address: ffffadee0215fe18 d4 92 02 # [ 72.538713] RSP: 0018:ffffadee0139fe60 EFLAGS: 00[ 73.129514] #PF: supervisor instruction fetch in kernel mode [ 73.142063] #PF: error_code(0x0011) - permissions violation [ 73.148290] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104a5d067 PTE 80000001054a1063 [ 73.157355] Oops: 0011 [#6] SMP PTI 010286 # [ 72.544557] RAX: ffffffff9fcdf0c0 RBX: 000000000000[ 73.161264] CPU: 0 PID: 1665 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 73.176161] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.182784] RIP: 0010:0xffffadee0215fe18 [ 73.187175] Code: 00 00 18 fe 15 02 ee ad ff ff 81 e5 33 a0 ff ff ff ff 20 00 00 00 00 00 00 00 66 27 d8 a0 ff ff ff ff ad e6 33 a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 73.208176] RSP: 0018:ffffadee0215fdf8 EFLAGS: 00010246 [ 73.214015] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.221995] RDX: 0000000000000000 RSI: ffff90cf7bc1bf70 RDI: ffff90cf7bc1bf70 [ 73.229972] RBP: ffffadee0215fe18 R08: 0000000000000000 R09: 0000000000000000 [ 73.237954] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 73.245936] R13: ffffadee0215ff10 R14: ffffadee0215ff10 R15: ffff90cf03dd9000 [ 73.253927] FS: 00007f8fc72fa580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 [ 73.262970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.269396] CR2: ffffadee0215fe18 CR3: 0000000104f3c000 CR4: 00000000003506f0 [ 73.277372] Call Trace: [ 73.280117] ? execute_location+0x48/0x56 [ 73.284610] ? lkdtm_EXEC_STACK+0x26/0x44 [ 73.289103] ? direct_entry.cold+0x2c/0x38 [ 73.293695] ? full_proxy_write+0x56/0x80 [ 73.298182] ? vfs_write+0xea/0x3a0 [ 73.302087] ? ksys_write+0x68/0xf0 [ 73.306001] ? do_syscall_64+0x33/0x40 [ 73.310206] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 0001 RCX: 0000000000000000 # [ 72.552544] RDX: 00000000000000[ 73.316073] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 73.338304] CR2: ffffadee0215fe18 [ 73.342017] ---[ end trace 84c2823588420cdb ]--- [ 73.347191] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 73.351580] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 73.372591] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 73.378445] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.386438] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 73.394426] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 73.402419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 73.410408] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 73.418402] FS: 00007f8fc72fa580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 00 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 72.560537][ 73.427464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.440124] CR2: ffffadee0215fe18 CR3: 0000000104f3c000 CR4: 00000000003506f0 RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 72.568524] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 72.576517] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 72.584502] FS: 00007f047270e580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 72.593557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.599988] CR2: ffffffffa260c560 CR3: 0000000103c56000 CR4: 00000000003506e0 # [ 72.607984] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 72.617914] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat # [ 72.626390] INFO: lockdep is turned off. # [ 72.630771] irq event stamp: 0 # [ 72.634186] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.641186] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 72.650331] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 72.659476] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.666484] CPU: 3 PID: 1629 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 72.675145] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.681763] Call Trace: # [ 72.684507] dump_stack+0x77/0x9b # [ 72.688219] ___might_sleep.cold+0xa6/0xb6 # [ 72.692806] exit_signals+0x1c/0x2e0 # [ 72.696805] do_exit+0xd5/0xb00 # [ 72.700320] ? ksys_write+0x68/0xf0 # [ 72.704230] rewind_stack_do_exit+0x17/0x20 # [ 72.708915] RIP: 0033:0x7f04726248f3 # [ 72.712916] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.733922] RSP: 002b:00007fff294c4598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.742407] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04726248f3 # [ 72.750387] RDX: 000000000000000a RSI: 00007f0472517000 RDI: 0000000000000001 # [ 72.758373] RBP: 00007f0472517000 R08: 00007f0472516010 R09: 0000000000000000 # [ 72.766358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.774345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 73.071735] lkdtm: Performing direct entry EXEC_STACK # [ 73.081597] lkdtm: attempting ok execution at ffffffff9fcdf490 # [ 73.094358] lkdtm: attempting bad execution at ffffadee0215fe18 # [ 73.107246] kernel tried to execute NX-pro[ 73.706812] lkdtm: Performing direct entry EXEC_KMALLOC tected page - exploit attempt? (uid: 0) # [ 73.121817] BUG: u[ 73.715546] lkdtm: attempting ok execution at ffffffff9fcdf490 nable to handle page fault for address: ffffadee0215fe18 # [ [ 73.728351] lkdtm: attempting bad execution at ffff90cf02a5db80 73.129514] #PF: supervisor instruction fetch in kernel mode # [[ 73.741255] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 73.755824] BUG: unable to handle page fault for address: ffff90cf02a5db80 73.142063] #PF: error_code(0x0011) - permissions violation #[ 73.763528] #PF: supervisor instruction fetch in kernel mode [ 73.776066] #PF: error_code(0x0011) - permissions violation [ 73.148290] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10[ 73.782301] PGD ea01067 P4D ea01067 PUD 100860063 PMD 102a59063 PTE 8000000102a5d063 [ 73.797197] Oops: 0011 [#7] SMP PTI [ 73.801093] CPU: 0 PID: 1701 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 73.809765] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 73.816394] RIP: 0010:0xffff90cf02a5db80 [ 73.820781] Code: 00 00 02 00 00 00 00 00 00 00 40 77 21 04 cf 90 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 50 9f ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 73.841814] RSP: 0018:ffffadee021c7e38 EFLAGS: 00010246 [ 73.847651] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 73.855633] RDX: 0000000000000000 RSI: ffff90cf7bc1bf70 RDI: ffff90cf7bc1bf70 [ 73.863617] RBP: ffff90cf02a5db80 R08: 0000000000000000 R09: 0000000000000000 [ 73.871620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 73.879611] R13: ffffadee021c7f10 R14: ffffadee021c7f10 R15: ffff90cf03f8e000 [ 73.887602] FS: 00007f83a8e3d580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 [ 73.896659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.903085] CR2: ffff90cf02a5db80 CR3: 0000000104dea000 CR4: 00000000003506f0 [ 73.911066] Call Trace: [ 73.913815] ? execute_location+0x48/0x56 [ 73.918304] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 73.922984] ? direct_entry.cold+0x2c/0x38 [ 73.927561] ? full_proxy_write+0x56/0x80 [ 73.932050] ? vfs_write+0xea/0x3a0 [ 73.935953] ? ksys_write+0x68/0xf0 [ 73.939851] ? do_syscall_64+0x33/0x40 [ 73.944052] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 4a5d067 PTE 80000001054a1063 # [ 73.157355] Oops: 0011 [#6] S[ 73.949904] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 73.972106] CR2: ffff90cf02a5db80 [ 73.975814] ---[ end trace 84c2823588420cdc ]--- [ 73.980971] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 73.985355] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 74.006351] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 74.012198] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.020181] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 74.028172] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 74.036164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.044146] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 74.052124] FS: 00007f83a8e3d580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 [ 74.061182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.067610] CR2: ffff90cf02a5db80 CR3: 0000000104dea000 CR4: 00000000003506f0 [ 74.075605] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 74.085525] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1701, name: cat [ 74.093998] INFO: lockdep is turned off. [ 74.098390] irq event stamp: 0 [ 74.101806] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.108814] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 74.117966] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 74.127112] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.134121] CPU: 0 PID: 1701 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 74.142787] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.149419] Call Trace: [ 74.152163] dump_stack+0x77/0x9b [ 74.155884] ___might_sleep.cold+0xa6/0xb6 [ 74.160479] exit_signals+0x1c/0x2e0 [ 74.164484] do_exit+0xd5/0xb00 MP PTI # [ 73.161264] CPU: 0 PID: 1665 Comm: cat Tainted: G [ 74.167990] ? ksys_write+0x68/0xf0 [ 74.178105] rewind_stack_do_exit+0x17/0x20 [ 74.182789] RIP: 0033:0x7f83a8d538f3 [ 74.186789] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.207789] RSP: 002b:00007ffe4ab2dc38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.216264] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f83a8d538f3 [ 74.224245] RDX: 000000000000000d RSI: 00007f83a8c46000 RDI: 0000000000000001 [ 74.232230] RBP: 00007f83a8c46000 R08: 00007f83a8c45010 R09: 0000000000000000 [ 74.240228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.248226] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D W 5.10.150-cip18 #1 # [ 73.176161] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.182784] RIP: 0010:0xffffadee0215fe18 # [ 73.187175] Code: 00 00 18 fe 15 02 ee ad ff ff 81 e5 33 a0 ff ff ff ff 20 00 00 00 00 00 00 00 66 27 d8 a0 ff ff ff ff ad e6 33 a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 73.208176] RSP: 0018:ffffadee0215fdf8 EFLAGS: 00010246 # [ 73.214015] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 73.221995] RDX: 0000000000000000 RSI: ffff90cf7bc1bf70 RDI: ffff90cf7bc1bf70 # [ 73.229972] RBP: ffffadee0215fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 73.237954] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 73.245936] R13: ffffadee0215ff10 R14: ffffadee0215ff10 R15: ffff90cf03dd9000 # [ 73.253927] FS: 00007f8fc72fa580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 # [ 73.262970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.269396] CR2: ffffadee0215fe18 CR3: 0000000104f3c000 CR4: 00000000003506f0 # [ 73.277372] Call Trace: # [ 73.280117] ? execute_location+0x48/0x56 # [ 73.284610] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 73.289103] ? direct_entry.cold+0x2c/0x38 # [ 73.293695] ? full_proxy_write+0x56/0x80 # [ 73.298182] ? vfs_write+0xea/0x3a0 # [ 73.302087] ? ksys_write+0x68/0xf0 # [ 73.306001] ? do_syscall_64+0x33/0x40 # [ 73.310206] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.316073] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.338304] CR2: ffffadee0215fe18 # [ 73.342017] ---[ end trace 84c2823588420cdb ]--- # [ 73.347191] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 73.351580] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 73.372591] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 73.378445] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 73.386438] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 73.394426] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 73.402419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 73.410408] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 73.418402] FS: 00007f8fc72fa580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 # [ 73.427464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.440124] CR2: ffffadee0215fe18 CR3: 0000000104f3c000 CR4: 00000000003506f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 73.706812] lkdtm: Performing direct entry EXEC_KMALLOC # [ 73.715546] lkdtm: attempting ok execution at ffffffff9fcdf490 # [ 73.728351] lkdtm: attempting bad execution a[ 74.552626] lkdtm: Performing direct entry EXEC_VMALLOC t ffff90cf02a5db80 # [ 73.741255] kernel tried to execute NX-[ 74.560799] lkdtm: attempting ok execution at ffffffff9fcdf490 protected page - exploit attempt? (uid: 0) # [ 73.755824] BUG[ 74.573500] lkdtm: attempting bad execution at ffffadee0036f000 : unable to handle page fault for address: ffff90cf02a5db80 # [[ 74.586398] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.600887] BUG: unable to handle page fault for address: ffffadee0036f000 [ 74.608572] #PF: supervisor instruction fetch in kernel mode [ 74.614899] #PF: error_code(0x0011) - permissions violation [ 74.621127] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100a1a067 PTE 8000000105628063 [ 74.630193] Oops: 0011 [#8] SMP PTI [ 74.634097] CPU: 3 PID: 1737 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 74.642755] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.649376] RIP: 0010:0xffffadee0036f000 [ 74.653761] Code: Unable to access opcode bytes at RIP 0xffffadee0036efd6. [ 74.661442] RSP: 0018:ffffadee02297e38 EFLAGS: 00010246 [ 74.667287] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.675273] RDX: 0000000000000000 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 [ 74.683262] RBP: ffffadee0036f000 R08: 0000000000000000 R09: 0000000000000000 [ 74.691252] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 74.699246] R13: ffffadee02297f10 R14: ffffadee02297f10 R15: ffff90cf05628000 [ 74.707242] FS: 00007fa948010580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 [ 74.716312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.722746] CR2: ffffadee0036efd6 CR3: 0000000104e6c000 CR4: 00000000003506e0 [ 74.730737] Call Trace: [ 74.733485] ? execute_location+0x48/0x56 [ 74.737978] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 74.742661] ? direct_entry.cold+0x2c/0x38 [ 74.747247] ? full_proxy_write+0x56/0x80 [ 74.751743] ? vfs_write+0xea/0x3a0 [ 74.755653] ? ksys_write+0x68/0xf0 [ 74.759560] ? do_syscall_64+0x33/0x40 [ 74.763760] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.769614] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.785620] CR2: ffffadee0036f000 [ 74.789330] ---[ end trace 84c2823588420cdd ]--- [ 74.794497] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.798888] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 74.819924] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 74.825781] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.833765] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 74.841748] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 74.849723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.857699] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 74.865675] FS: 00007fa948010580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 [ 74.874725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.881147] CR2: ffffadee0036efd6 CR3: 0000000104e6c000 CR4: 00000000003506e0 [ 74.889132] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 74.899063] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1737, name: cat [ 74.907529] INFO: lockdep is turned off. [ 74.911910] irq event stamp: 0 [ 74.915324] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.922338] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 74.931473] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 74.940622] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.947638] CPU: 3 PID: 1737 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 74.956298] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.962923] Call Trace: [ 74.965669] dump_stack+0x77/0x9b [ 74.969383] ___might_sleep.cold+0xa6/0xb6 [ 74.973981] exit_signals+0x1c/0x2e0 [ 74.977987] do_exit+0xd5/0xb00 [ 74.981492] ? ksys_write+0x68/0xf0 [ 74.985391] rewind_stack_do_exit+0x17/0x20 [ 74.990072] RIP: 0033:0x7fa947f268f3 [ 74.994080] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.015116] RSP: 002b:00007ffd43e32b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.023590] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fa947f268f3 [ 75.031579] RDX: 000000000000000d RSI: 00007fa947e19000 RDI: 0000000000000001 [ 75.039563] RBP: 00007fa947e19000 R08: 00007fa947e18010 R09: 0000000000000000 [ 75.047547] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 75.055533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 73.763528] #PF: supervisor instruction fetch in kernel mode # [ 73.776066] #PF: error_code(0x0011) - permissions violation # [ 73.782301] PGD ea01067 P4D ea01067 PUD 100860063 PMD 102a59063 PTE 8000000102a5d063 # [ 73.797197] Oops: 0011 [#7] SMP PTI # [ 73.801093] CPU: 0 PID: 1701 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 73.809765] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.816394] RIP: 0010:0xffff90cf02a5db80 # [ 73.820781] Code: 00 00 02 00 00 00 00 00 00 00 40 77 21 04 cf 90 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 50 9f ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 73.841814] RSP: 0018:ffffadee021c7e38 EFLAGS: 00010246 # [ 73.847651] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 73.855633] RDX: 0000000000000000 RSI: ffff90cf7bc1bf70 RDI: ffff90cf7bc1bf70 # [ 73.863617] RBP: ffff90cf02a5db80 R08: 0000000000000000 R09: 0000000000000000 # [ 73.871620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 73.879611] R13: ffffadee021c7f10 R14: ffffadee021c7f10 R15: ffff90cf03f8e000 # [ 73.887602] FS: 00007f83a8e3d580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 # [ 73.896659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.903085] CR2: ffff90cf02a5db80 CR3: 0000000104dea000 CR4: 00000000003506f0 # [ 73.911066] Call Trace: # [ 73.913815] ? execute_location+0x48/0x56 # [ 73.918304] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 73.922984] ? direct_entry.cold+0x2c/0x38 # [ 73.927561] ? full_proxy_write+0x56/0x80 # [ 73.932050] ? vfs_write+0xea/0x3a0 # [ 73.935953] ? ksys_write+0x68/0xf0 # [ 73.939851] ? do_syscall_64+0x33/0x40 # [ 73.944052] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.949904] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.972106] CR2: ffff90cf02a5db80 # [ 73.975814] ---[ end trace 84c2823588420cdc ]--- # [ 73.980971] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 73.985355] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 74.006351] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 74.012198] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.020181] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 74.028172] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 74.036164] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.044146] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 74.052124] FS: 00007f83a8e3d580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 # [ 74.061182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.067610] CR2: ffff90cf02a5db80 CR3: 0000000104dea000 CR4: 00000000003506f0 # [ 74.075605] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 74.085525] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1701, name: cat # [ 74.093998] INFO: lockdep is turned off. # [ 74.098390] irq event stamp: 0 # [ 74.101806] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.108814][ 75.398070] lkdtm: Performing direct entry EXEC_RODATA hardirqs last disabled at (0): [] copy_proces[ 75.405670] lkdtm: attempting ok execution at ffffffff9fcdf490 s+0x640/0x1c80 # [ 74.117966] softirqs last enabled at (0): [ 75.418502] lkdtm: attempting bad execution at ffffffffa099b720 [] copy_process+0x640/0x1c80 # [ 74.127112][ 75.431372] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.445906] BUG: unable to handle page fault for address: ffffffffa099b720 [ 75.453601] #PF: supervisor instruction fetch in kernel mode [ 75.459940] #PF: error_code(0x0011) - permissions violation [ 75.466185] PGD d229067 P4D d229067 PUD d22a063 PMD 800000000ca001e1 [ 75.473422] Oops: 0011 [#9] SMP PTI [ 75.477335] CPU: 3 PID: 1773 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 75.486005] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.492639] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 75.498399] Code: ff ff 1d fb 33 a0 ff ff ff ff b2 29 d8 a0 ff ff ff ff 63 e2 33 a0 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 75.519403] RSP: 0018:ffffadee0231fe48 EFLAGS: 00010246 [ 75.525248] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 75.533234] RDX: 0000000000000000 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 [ 75.541216] RBP: ffffffffa099b720 R08: 0000000000000000 R09: 0000000000000000 [ 75.549200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 75.557198] R13: ffffadee0231ff10 R14: ffffadee0231ff10 R15: ffff90cf04f97000 [ 75.565175] FS: 00007ff5f6ae1580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 [ 75.574234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.580662] CR2: ffffffffa099b720 CR3: 0000000104c9a000 CR4: 00000000003506e0 [ 75.588652] Call Trace: [ 75.591399] ? execute_location+0x48/0x56 [ 75.595888] ? direct_entry.cold+0x2c/0x38 [ 75.600470] ? full_proxy_write+0x56/0x80 [ 75.604960] ? vfs_write+0xea/0x3a0 [ 75.608858] ? ksys_write+0x68/0xf0 [ 75.612761] ? do_syscall_64+0x33/0x40 [ 75.616962] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.622816] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.638799] CR2: ffffffffa099b720 [ 75.642507] ---[ end trace 84c2823588420cde ]--- [ 75.647674] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.652060] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 75.673060] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 75.678914] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.686908] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 75.694887] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 75.702864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.710846] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 75.718824] FS: 00007ff5f6ae1580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 [ 75.727890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.734317] CR2: ffffffffa099b720 CR3: 0000000104c9a000 CR4: 00000000003506e0 softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.134121] CPU: 0 PID: 1701 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 74.142787] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.149419] Call Trace: # [ 74.152163] dump_stack+0x77/0x9b # [ 74.155884] ___might_sleep.cold+0xa6/0xb6 # [ 74.160479] exit_signals+0x1c/0x2e0 # [ 74.164484] do_exit+0xd5/0xb00 # [ 74.167990] ? ksys_write+0x68/0xf0 # [ 74.178105] rewind_stack_do_exit+0x17/0x20 # [ 74.182789] RIP: 0033:0x7f83a8d538f3 # [ 74.186789] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.207789] RSP: 002b:00007ffe4ab2dc38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.216264] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f83a8d538f3 # [ 74.224245] RDX: 000000000000000d RSI: 00007f83a8c46000 RDI: 0000000000000001 # [ 74.232230] RBP: 00007f83a8c46000 R08: 00007f83a8c45010 R09: 0000000000000000 # [ 74.240228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.248226] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 74.552626] lkdtm: Performing direct entry EXEC_VMALLOC # [ 74.560799] lkdtm: attempting ok execution at ffffffff9fcdf490 # [ 74.573500] lkdtm: attempting bad execution at ffffadee0036f000 # [ 74.586398] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.600887] BUG: unable to handle page fault for address: ffffadee0036f000 # [ 74.608572] #PF: supervisor instruction fetch in kernel mode # [ 74.614899] #PF: error_code(0x0011) - permissions violation # [ 74.621127] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100a1a067 PTE 8000000105628063 # [ 74.630193] Oops: 0011 [#8] SMP PTI # [ 74.634097] CPU: 3 PID: 1737 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 74.642755] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.649376] RIP: 0010:0xffffadee0036f000 # [ 74.653761] Code: Unable to access opcode bytes at RIP 0xffffadee0036efd6. # [ 74.661442] RSP: 0018:ffffadee02297e38 EFLAGS: 00010246 # [ 74.667287] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.675273] RDX: 0000000000000000 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 74.683262] RBP: ffffadee0036f000 R08: 0000000000000000 R09: 0000000000000000 # [ 74.691252] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 74.699246] R13: ffffadee02297f10 R14: ffffadee02297f10 R15: ffff90cf05628000 # [ 74.707242] FS: 00007fa948010580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 74.716312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.722746] CR2: ffffadee0036efd6 CR3: 0000000104e6c000 CR4: 00000000003506e0 # [ 74.730737] Call Trace: # [ 74.733485] ? execute_location+0x48/0x56 # [ 74.737978] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 74.742661] ? direct_entry.cold+0x2c/0x38 # [ 74.747247] ? full_proxy_write+0x56/0x80 # [ 74.751743] ? vfs_write+0xea/0x3a0 # [ 74.755653] ? ksys_write+0x68/0xf0 # [ 74.759560] ? do_syscall_64+0x33/0x40 # [ 74.763760] ? entry_SYSCALL_64[ 76.075295] lkdtm: Performing direct entry EXEC_USERSPACE _after_hwframe+0x61/0xc6 # [ 74.769614] Modules linked in: fu[ 76.084466] lkdtm: attempting ok execution at ffffffff9fcdf490 se ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros[ 76.097299] lkdtm: attempting bad execution at 00007f8f2b918000 _ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.110206] unable to execute userspace code (SMEP?) (uid: 0) [ 76.122794] BUG: unable to handle page fault for address: 00007f8f2b918000 [ 76.130482] #PF: supervisor instruction fetch in kernel mode [ 76.136808] #PF: error_code(0x0011) - permissions violation # [ 74.785620] CR2: ffffadee0036f000 # [ 74.789330] ---[ en[ 76.143041] PGD 80000001013c0067 P4D 80000001013c0067 PUD 105509067 PMD 104db5067 PTE 114bd7067 [ 76.159003] Oops: 0011 [#10] SMP PTI d trace 84c2823588420cdd ]--- # [ 74.794497] RIP: 0010:lkdtm_[ 76.162995] CPU: 2 PID: 1809 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 76.177875] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.184502] RIP: 0010:0x7f8f2b918000 [ 76.188507] Code: Unable to access opcode bytes at RIP 0x7f8f2b917fd6. [ 76.195816] RSP: 0018:ffffadee02387e50 EFLAGS: 00010246 [ 76.201656] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 76.209634] RDX: 0000000000000000 RSI: ffff90cf7bd1bf70 RDI: ffff90cf7bd1bf70 [ 76.217611] RBP: 00007f8f2b918000 R08: 0000000000000000 R09: 0000000000000000 [ 76.225591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 76.233582] R13: ffffadee02387f10 R14: ffffadee02387f10 R15: ffff90cf0562e000 [ 76.241576] FS: 00007f8f2b8e9580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 76.250630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.257051] CR2: 00007f8f2b918000 CR3: 0000000103e4c000 CR4: 00000000003506e0 [ 76.265034] Call Trace: [ 76.267788] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 76.273148] ? direct_entry.cold+0x2c/0x38 [ 76.277740] ? full_proxy_write+0x56/0x80 [ 76.282238] ? vfs_write+0xea/0x3a0 [ 76.286143] ? ksys_write+0x68/0xf0 [ 76.290050] ? do_syscall_64+0x33/0x40 [ 76.294248] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.300100] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.316099] CR2: 00007f8f2b918000 [ 76.319806] ---[ end trace 84c2823588420cdf ]--- [ 76.324980] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.329380] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 76.350435] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 76.356292] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.364286] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 76.372279] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 76.380276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.388273] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 76.396276] FS: 00007f8f2b8e9580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 76.405348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.411788] CR2: 00007f8f2b918000 CR3: 0000000103e4c000 CR4: 00000000003506e0 [ 76.419783] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 BUG+0x5/0x10 # [ 74.798888] Code: 89 ff e8 ee b1 a3 ff 48 c7 [ 76.429730] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1809, name: cat [ 76.444445] INFO: lockdep is turned off. [ 76.448839] irq event stamp: 0 [ 76.452263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 76.459293] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 76.468453] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 76.477612] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 76.484627] CPU: 2 PID: 1809 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 76.493297] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.499922] Call Trace: [ 76.502668] dump_stack+0x77/0x9b [ 76.506386] ___might_sleep.cold+0xa6/0xb6 [ 76.510984] exit_signals+0x1c/0x2e0 [ 76.514992] do_exit+0xd5/0xb00 [ 76.518506] ? ksys_write+0x68/0xf0 [ 76.522420] rewind_stack_do_exit+0x17/0x20 [ 76.527107] RIP: 0033:0x7f8f2b7ff8f3 [ 76.531118] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 76.552160] RSP: 002b:00007ffc5812c568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.560651] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f8f2b7ff8f3 [ 76.568649] RDX: 000000000000000f RSI: 00007f8f2b6f2000 RDI: 0000000000000001 [ 76.576641] RBP: 00007f8f2b6f2000 R08: 00007f8f2b6f1010 R09: 0000000000000000 [ 76.584626] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 76.592605] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 74.819924] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 74.825781] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.833765] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 74.841748] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 74.849723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.857699] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 74.865675] FS: 00007fa948010580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 74.874725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.881147] CR2: ffffadee0036efd6 CR3: 0000000104e6c000 CR4: 00000000003506e0 # [ 74.889132] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 74.899063] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1737, name: cat # [ 74.907529] INFO: lockdep is turned off. # [ 74.911910] irq event stamp: 0 # [ 74.915324] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.922338] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 74.931473] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 74.940622] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.947638] CPU: 3 PID: 1737 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 74.956298] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.962923] Call Trace: # [ 74.965669] dump_stack+0x77/0x9b # [ 74.969383] ___might_sleep.cold+0xa6/0xb6 # [ 74.973981] exit_signals+0x1c/0x2e0 # [ 74.977987] do_exit+0xd5/0xb00 # [ 74.981492] ? ksys_write+0x68/0xf0 # [ 74.985391] rewind_stack_do_exit+0x17/0x20 # [ 74.990072] RIP: 0033:0x7fa947f268f3 # [ 74.994080] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.015116] RSP: 002b:00007ffd43e32b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.023590] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fa947f268f3 # [ 75.031579] RDX: 000000000000000d RSI: 00007fa947e19000 RDI: 0000000000000001 # [ 75.039563] RBP: 00007fa947e19000 R08: 00007fa947e18010 R09: 0000000000000000 # [ 75.047547] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.055533] 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 # [ 75.398070] lkdtm: Performing direct entry EXEC_RODATA # [ 75.405670] lkdtm: attempting ok execution at ffffffff9fcdf490 # [ 75.418502] lkdtm: attempting bad execution at ffffffffa099b720 # [ 75.[ 76.896641] lkdtm: Performing direct entry EXEC_NULL [ 76.905043] lkdtm: attempting ok execution at ffffffff9fcdf490 [ 76.911612] lkdtm: attempting bad execution at 0000000000000000 431372] kernel tried to execute NX-protected page - exploit atte[ 76.918277] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 76.932241] #PF: supervisor instruction fetch in kernel mode [ 76.938565] #PF: error_code(0x0010) - not-present page mp[t? (uid: 0) # [ 75.445906] BUG: unable to handle page fault 76.944313] PGD 0 P4D 0 [ 76.953375] Oops: 0010 [#11] SMP PTI for address: ffffffffa099b720 # [ 75.453601] #PF: supervisor[ 76.957370] CPU: 1 PID: 1845 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 76.972249] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.978887] RIP: 0010:0x0 [ 76.981827] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 76.989521] RSP: 0018:ffffadee0241fe48 EFLAGS: 00010246 [ 76.995376] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.003361] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 [ 77.011348] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 77.019340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 77.027325] R13: ffffadee0241ff10 R14: ffffadee0241ff10 R15: ffff90cf0607d000 [ 77.035317] FS: 00007f1d0b923580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 77.044368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.050791] CR2: ffffffffffffffd6 CR3: 0000000105502000 CR4: 00000000003506e0 [ 77.058769] Call Trace: [ 77.061513] execute_location+0x48/0x56 [ 77.065806] direct_entry.cold+0x2c/0x38 [ 77.070196] full_proxy_write+0x56/0x80 [ 77.074491] vfs_write+0xea/0x3a0 [ 77.078210] ksys_write+0x68/0xf0 [ 77.081929] do_syscall_64+0x33/0x40 [ 77.085938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 77.091592] RIP: 0033:0x7f1d0b8398f3 [ 77.095590] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.116606] RSP: 002b:00007ffd11e52968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.125065] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1d0b8398f3 [ 77.133046] RDX: 000000000000000a RSI: 00007f1d0b72c000 RDI: 0000000000000001 [ 77.141027] RBP: 00007f1d0b72c000 R08: 00007f1d0b72b010 R09: 0000000000000000 [ 77.149010] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 77.156995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 77.164993] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.180989] CR2: 0000000000000000 [ 77.184695] ---[ end trace 84c2823588420ce0 ]--- [ 77.189851] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.194242] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 77.215253] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 77.221099] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.229080] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 77.237058] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 77.245035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.253010] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 77.260991] FS: 00007f1d0b923580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 77.270036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.276459] CR2: ffffffffffffffd6 CR3: 0000000105502000 CR4: 00000000003506e0 instruction fetch in kernel mode # [ 75.459940] #PF: error_code(0x0011) - permissions violation # [ 75.466185] PGD d229067 P4D d229067 PUD d22a063 PMD 800000000ca001e1 # [ 75.473422] Oops: 0011 [#9] SMP PTI # [ 75.477335] CPU: 3 PID: 1773 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 75.486005] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.492639] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 75.498399] Code: ff ff 1d fb 33 a0 ff ff ff ff b2 29 d8 a0 ff ff ff ff 63 e2 33 a0 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 75.519403] RSP: 0018:ffffadee0231fe48 EFLAGS: 00010246 # [ 75.525248] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 75.533234] RDX: 0000000000000000 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 75.541216] RBP: ffffffffa099b720 R08: 0000000000000000 R09: 0000000000000000 # [ 75.549200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 75.557198] R13: ffffadee0231ff10 R14: ffffadee0231ff10 R15: ffff90cf04f97000 # [ 75.565175] FS: 00007ff5f6ae1580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 75.574234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.580662] CR2: ffffffffa099b720 CR3: 0000000104c9a000 CR4: 00000000003506e0 # [ 75.588652] Call Trace: # [ 75.591399] ? execute_location+0x48/0x56 # [ 75.595888] ? direct_entry.cold+0x2c/0x38 # [ 75.600470] ? full_proxy_write+0x56/0x80 # [ 75.604960] ? vfs_write+0xea/0x3a0 # [ 75.608858] ? ksys_write+0x68/0xf0 # [ 75.612761] ? do_syscall_64+0x33/0x40 # [ 75.616962] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.622816] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.638799] CR2: ffffffffa099b720 # [ 75.642507] ---[ end trace 84c2823588420cde ]--- # [ 75.647674] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.652060] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 75.673060] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 75.678914] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.686908] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 75.694887] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 75.702864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.710846] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 75.718824] FS: 00007ff5f6ae1580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 75.727890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.734317] CR2: ffffffffa099b720 CR3: 0000000104c9a000 CR4: 00000000003506e0[ 77.574491] lkdtm: Performing direct entry ACCESS_USERSPACE [ 77.583178] lkdtm: attempting bad read at 00007f062e6a6000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: E[ 77.589406] BUG: unable to handle page fault for address: 00007f062e6a6000 [ 77.603332] #PF: supervisor read access in kernel mode [ 77.609075] #PF: error_code(0x0001) - permissions violation [ 77.615319] PGD 8000000104010067 P4D 8000000104010067 PUD 10543d067 PMD 103e40067 PTE 117126067 [ 77.625083] Oops: 0001 [#12] SMP PTI [ 77.629091] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 77.637764] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.644410] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 77.650655] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 36 d8 a0 e8 e4 99 fd ff 48 c7 c7 f8 36 d8 a0 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 cb 99 fd ff 48 89 ee 48 c7 c7 20 37 d8 [ 77.671680] RSP: 0018:ffffadee0249fe48 EFLAGS: 00010246 [ 77.677535] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 77.685517] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa0d836f8 [ 77.693504] RBP: 00007f062e6a6000 R08: 0000000000000000 R09: 0000000000000000 [ 77.701485] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 77.709467] R13: ffffadee0249ff10 R14: ffffadee0249ff10 R15: ffff90cf04e24000 [ 77.717453] FS: 00007f062e677580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 77.726507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.732933] CR2: 00007f062e6a6000 CR3: 0000000104f94000 CR4: 00000000003506e0 [ 77.740918] Call Trace: [ 77.743665] direct_entry.cold+0x2c/0x38 [ 77.748058] full_proxy_write+0x56/0x80 [ 77.752356] vfs_write+0xea/0x3a0 [ 77.756072] ksys_write+0x68/0xf0 [ 77.759788] do_syscall_64+0x33/0x40 [ 77.763799] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 77.769454] RIP: 0033:0x7f062e58d8f3 [ 77.773460] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.794460] RSP: 002b:00007ffcfc3ff538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.802916] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f062e58d8f3 [ 77.810892] RDX: 0000000000000011 RSI: 00007f062e480000 RDI: 0000000000000001 [ 77.818889] RBP: 00007f062e480000 R08: 00007f062e47f010 R09: 0000000000000000 [ 77.826873] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 77.834849] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 77.842844] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.858828] CR2: 00007f062e6a6000 [ 77.862536] ---[ end trace 84c2823588420ce1 ]--- [ 77.867702] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.872088] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 77.893070] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 77.898912] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.906888] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 77.914865] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 77.922841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.930818] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 77.938795] FS: 00007f062e677580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 77.947840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.954260] CR2: 00007f062e6a6000 CR3: 0000000104f94000 CR4: 00000000003506e0 [ 77.962241] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 77.972173] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1880, name: cat [ 77.980639] INFO: lockdep is turned off. [ 77.985022] irq event stamp: 0 [ 77.988439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.995451] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 78.004597] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 78.013749] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.020757] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 78.029427] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.036051] Call Trace: [ 78.038791] dump_stack+0x77/0x9b [ 78.042502] ___might_sleep.cold+0xa6/0xb6 [ 78.047088] exit_signals+0x1c/0x2e0 [ 78.051093] do_exit+0xd5/0xb00 [ 78.054612] ? ksys_write+0x68/0xf0 [ 78.058516] rewind_stack_do_exit+0x17/0x20 XEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed [ 78.063191] RIP: 0033:0x7f062e58d8f3 [ 78.073407] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.094415] RSP: 002b:00007ffcfc3ff538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.102879] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f062e58d8f3 [ 78.110858] RDX: 0000000000000011 RSI: 00007f062e480000 RDI: 0000000000000001 [ 78.118842] RBP: 00007f062e480000 R08: 00007f062e47f010 R09: 0000000000000000 [ 78.126834] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.134818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 76.075295] lkdtm: Performing direct entry EXEC_USERSPACE # [ 76.084466] lkdtm: attempting ok execution at ffffffff9fcdf490 # [ 76.097299] lkdtm: attempting bad execution at 00007f8f2b918000 # [ 76.110206] unable to execute userspace code (SMEP?) (uid: 0) # [ 76.122794] BUG: unable to handle page fault for address: 00007f8f2b918000 # [ 76.130482] #PF: supervisor instruction fetch in kernel mode # [ 76.136808] #PF: error_code(0x0011) - permissions violation # [ 76.143041] PGD 80000001013c0067 P4D 80000001013c0067 PUD 105509067 PMD 104db5067 PTE 114bd7067 # [ 76.159003] Oops: 0011 [#10] SMP PTI # [ 76.162995] CPU: 2 PID: 1809 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 76.177875] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.184502] RIP: 0010:0x7f8f2b918000 # [ 76.188507] Code: Unable to access opcode bytes at RIP 0x7f8f2b917fd6. # [ 76.195816] RSP: 0018:ffffadee02387e50 EFLAGS: 00010246 # [ 76.201656] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 76.209634] RDX: 0000000000000000 RSI: ffff90cf7bd1bf70 RDI: ffff90cf7bd1bf70 # [ 76.217611] RBP: 00007f8f2b918000 R08: 0000000000000000 R09: 0000000000000000 # [ 76.225591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 76.233582] R13: ffffadee02387f10 R14: ffffadee02387f10 R15: ffff90cf0562e000 # [ 76.241576] FS: 00007f8f2b8e9580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 76.250630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.257051] CR2: 00007f8f2b918000 CR3: 0000000103e4c000 CR4: 00000000003506e0 # [ 76.265034] Call Trace: # [ 76.267788] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 76.273148] ? direct_entry.cold+0x2c/0x38 # [ 76.277740] ? full_proxy_write+0x56/0x80 # [ 76.282238] ? vfs_write+0xea/0x3a0 # [ 76.286143] ? ksys_write+0x68/0xf0 # [ 76.290050] ? do_syscall_64+0x33/0x40 # [ 76.294248] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.300100] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.316099] CR2: 00007f8f2b918000 # [ 76.319806] ---[ end trace 84c2823588420cdf ]--- # [ 76.324980] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.329380] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 76.350435] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 76.356292] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.364286] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 76.372279] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 76.380276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.388273] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 76.396276] FS: 00007f8f2b8e9580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 76.405348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.411788] CR2: 00007f8f2b918000 CR3: 0000000103e4c000 CR4: 00000000003506e0 # [ 76.419783] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 76.429730] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1809, name[ 78.476571] lkdtm: Performing direct entry ACCESS_NULL [ 78.484702] lkdtm: attempting bad read at 0000000000000000 [ 78.490875] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.498668] #PF: supervisor read access in kernel mode [ 78.504417] #PF: error_code(0x0000) - not-present page [ 78.510161] PGD 0 P4D 0 [ 78.513002] Oops: 0000 [#13] SMP PTI [ 78.517013] CPU: 1 PID: 1915 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 78.525671] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.532308] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 78.537583] Code: 88 99 fd ff be 00 10 00 00 48 89 ef e8 38 8d 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 36 d8 a0 e8 62 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 36 d8 a0 48 01 [ 78.558614] RSP: 0018:ffffadee02507e58 EFLAGS: 00010246 [ 78.564473] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 78.572463] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 [ 78.580448] RBP: ffffffffa0d827c1 R08: 0000000000000000 R09: 0000000000000000 [ 78.588433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 78.596414] R13: ffffadee02507f10 R14: ffffadee02507f10 R15: ffff90cf03e5b000 [ 78.604406] FS: 00007f8d5033f580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 78.613461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.619884] CR2: 0000000000000000 CR3: 000000010322e000 CR4: 00000000003506e0 [ 78.627863] Call Trace: [ 78.630607] direct_entry.cold+0x2c/0x38 [ 78.635005] full_proxy_write+0x56/0x80 [ 78.639306] vfs_write+0xea/0x3a0 [ 78.643015] ksys_write+0x68/0xf0 [ 78.646731] do_syscall_64+0x33/0x40 [ 78.650734] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.656390] RIP: 0033:0x7f8d502558f3 [ 78.660386] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.681385] RSP: 002b:00007fff54041338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.689848] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8d502558f3 [ 78.697827] RDX: 000000000000000c RSI: 00007f8d50148000 RDI: 0000000000000001 [ 78.705806] RBP: 00007f8d50148000 R08: 00007f8d50147010 R09: 0000000000000000 [ 78.713789] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.721771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 78.729765] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.745761] CR2: 0000000000000000 [ 78.749461] ---[ end trace 84c2823588420ce2 ]--- [ 78.754632] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.759017] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 78.780020] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 78.785863] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.793861] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 78.801851] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 78.809839] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.817838] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 78.825817] FS: 00007f8d5033f580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 78.834862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.841284] CR2: 0000000000000000 CR3: 000000010322e000 CR4: 00000000003506e0 [ 78.849266] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.859197] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1915, name: cat [ 78.867676] INFO: lockdep is turned off. [ 78.872062] irq event stamp: 0 [ 78.875474] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.882489] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 78.891634] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 78.900793] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.907818] CPU: 1 PID: 1915 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 78.916481] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.923099] Call Trace: [ 78.925838] dump_stack+0x77/0x9b [ 78.929555] ___might_sleep.cold+0xa6/0xb6 [ 78.934149] exit_signals+0x1c/0x2e0 [ 78.938150] do_exit+0xd5/0xb00 [ 78.941668] ? ksys_write+0x68/0xf0 [ 78.945582] rewind_stack_do_exit+0x17/0x20 [ 78.950263] RIP: 0033:0x7f8d502558f3 [ 78.954266] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.975291] RSP: 002b:00007fff54041338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.983771] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8d502558f3 [ 78.991759] RDX: 000000000000000c RSI: 00007f8d50148000 RDI: 0000000000000001 [ 78.999742] RBP: 00007f8d50148000 R08: 00007f8d50147010 R09: 0000000000000000 [ 79.007717] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 79.015693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : cat # [ 76.444445] INFO: lockdep is turned off. # [ 76.448839] irq event stamp: 0 # [ 76.452263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.459293] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 76.468453] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 76.477612] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.484627] CPU: 2 PID: 1809 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 76.493297] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.499922] Call Trace: # [ 76.502668] dump_stack+0x77/0x9b # [ 76.506386] ___might_sleep.cold+0xa6/0xb6 # [ 76.510984] exit_signals+0x1c/0x2e0 # [ 76.514992] do_exit+0xd5/0xb00 # [ 76.518506] ? ksys_write+0x68/0xf0 # [ 76.522420] rewind_stack_do_exit+0x17/0x20 # [ 76.527107] RIP: 0033:0x7f8f2b7ff8f3 # [ 76.531118] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 76.552160] RSP: 002b:00007ffc5812c568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.560651] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f8f2b7ff8f3 # [ 76.568649] RDX: 000000000000000f RSI: 00007f8f2b6f2000 RDI: 0000000000000001 # [ 76.576641] RBP: 00007f8f2b6f2000 R08: 00007f8f2b6f1010 R09: 0000000000000000 # [ 76.584626] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.592605] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 76.896641] lkdtm: Performing direct entry EXEC_NULL # [ 76.905043] lkdtm: attempting ok execution at ffffffff9fcdf490 # [ 76.911612] lkdtm: attempting bad execution at 0000000000000000 # [ 76.918277] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 76.932241] #PF: supervisor instruction fetch in kernel mode # [ 76.938565] #PF: error_code(0x0010) - not-present page # [ 76.944313] PGD 0 P4D 0 # [ 76.953375] Oops: 0010 [#11] SMP PTI # [ 76.957370] CPU: 1 PID: 1845 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 76.972249] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.978887] RIP: 0010:0x0 # [ 76.981827] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 76.989521] RSP: 0018:ffffadee0241fe48 EFLAGS: 00010246 # [ 76.995376] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 77.003361] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 # [ 77.011348] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.019340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 77.027325] R13: ffffadee0241ff10 R14: ffffadee0241ff10 R15: ffff90cf0607d000 # [ 77.035317] FS: 00007f1d0b923580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 77.044368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.050791] CR2: ffffffffffffffd6 CR3: 0000000105502000 CR4: 00000000003506e0 # [ 77.058769] Call Trace: # [ 77.061513] execute_locat[ 79.344251] lkdtm: Performing direct entry WRITE_RO [ 79.352819] lkdtm: attempting bad rodata write at ffffffffa099b710 [ 79.359798] BUG: unable to handle page fault for address: ffffffffa099b710 [ 79.367492] #PF: supervisor write access in kernel mode [ 79.373345] #PF: error_code(0x0003) - permissions violation ion+0x48/0x56 # [ 77.065806] direct_entry.cold+0x2c/0x38 # [ 79.379580] PGD d229067 P4D d229067 PUD d22a063 PMD 800000000ca001e1 [ 79.393001] Oops: 0003 [#14] SMP PTI [ 77.070196] full_proxy_write+0x56/0x80 # [ 77.074491] vf[ 79.397005] CPU: 2 PID: 1950 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 79.411866] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.418498] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 79.423469] Code: 00 48 c7 c7 b0 35 d8 a0 48 c7 c6 10 b7 99 a0 e8 0c 9c fd ff 48 8b 05 62 d1 65 00 ba 34 12 cd ab 48 c7 c7 e0 35 d8 a0 48 31 d0 <48> 89 05 4c d1 65 00 e9 ea 9b fd ff 0f 1f 44 00 00 48 8b 05 5b fd [ 79.444491] RSP: 0018:ffffadee025b7e60 EFLAGS: 00010202 [ 79.450349] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 79.458339] RDX: 00000000abcd1234 RSI: ffff90cf7bd1bf70 RDI: ffffffffa0d835e0 [ 79.466332] RBP: ffffffffa0d827cd R08: 0000000000000000 R09: 0000000000000000 [ 79.474314] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 79.482294] R13: ffffadee025b7f10 R14: ffffadee025b7f10 R15: ffff90cf05629000 [ 79.490284] FS: 00007f519dbe3580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 79.499326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.505748] CR2: ffffffffa099b710 CR3: 0000000104fea000 CR4: 00000000003506e0 [ 79.513728] Call Trace: [ 79.516471] direct_entry.cold+0x2c/0x38 [ 79.520867] full_proxy_write+0x56/0x80 [ 79.525161] vfs_write+0xea/0x3a0 [ 79.528875] ksys_write+0x68/0xf0 [ 79.532587] do_syscall_64+0x33/0x40 [ 79.536594] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.542250] RIP: 0033:0x7f519daf98f3 [ 79.546249] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.567261] RSP: 002b:00007ffddfc93608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.575736] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f519daf98f3 [ 79.583721] RDX: 0000000000000009 RSI: 00007f519d9ec000 RDI: 0000000000000001 [ 79.591702] RBP: 00007f519d9ec000 R08: 00007f519d9eb010 R09: 0000000000000000 [ 79.599689] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 79.607684] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.615676] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.631658] CR2: ffffffffa099b710 [ 79.635361] ---[ end trace 84c2823588420ce3 ]--- [ 79.640526] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.644917] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 79.665948] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 79.671790] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.679786] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 79.687788] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 79.695779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.703780] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 79.711781] FS: 00007f519dbe3580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 79.720853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.727289] CR2: ffffffffa099b710 CR3: 0000000104fea000 CR4: 00000000003506e0 s_write+0xea/0x3a0 # [ 77.078210] ksys_write+0x68/0xf0 # [ 77.081929] do_syscall_64+0x33/0x40 # [ 77.085938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.091592] RIP: 0033:0x7f1d0b8398f3 # [ 77.095590] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.116606] RSP: 002b:00007ffd11e52968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.125065] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1d0b8398f3 # [ 77.133046] RDX: 000000000000000a RSI: 00007f1d0b72c000 RDI: 0000000000000001 # [ 77.141027] RBP: 00007f1d0b72c000 R08: 00007f1d0b72b010 R09: 0000000000000000 # [ 77.149010] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.156995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.164993] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.180989] CR2: 0000000000000000 # [ 77.184695] ---[ end trace 84c2823588420ce0 ]--- # [ 77.189851] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.194242] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 77.215253] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 77.221099] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.229080] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 77.237058] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 77.245035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.253010] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 77.260991] FS: 00007f1d0b923580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 77.270036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.276459] CR2: ffffffffffffffd6 CR3: 0000000105502000 CR4: 00000000003506e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 77.574491] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 77.583178] lkdtm: attempting bad read at 00007f062e6a6000 # [ 77.589406] BUG: unable to handle page fault for address: 00007f062e6a6000 # [ 77.603332] #PF: supervisor read access in kernel mode # [ 77.609075] #PF: error_code(0x0001) - permissions violation # [ 77.615319] PGD 8000000104010067 P4D 8000000104010067 PUD 10543d067 PMD 103e40067 PTE 117126067 # [ 77.625083] Oops: 0001 [#12] SMP PTI # [ 77.629091] CPU: 1 PID: 1880 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 77.637764] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.644410] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 77.650655] Code: 00 00 00 75 64 48 83 c4 1[ 80.030245] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 80.040706] lkdtm: attempting bad ro_after_init write at ffffffffa0dfe330 [ 80.048352] BUG: unable to handle page fault for address: ffffffffa0dfe330 [ 80.056060] #PF: supervisor write access in kernel mode [ 80.061913] #PF: error_code(0x0003) - permissions violation 0 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 36 d8 a0 e8 e4 99 fd ff[ 80.068146] PGD d229067 P4D d229067 PUD d22a063 PMD 800000000ce001e1 [ 80.081581] Oops: 0003 [#15] SMP PTI 48 c7 c7 f8 36 d8 a0 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e[ 80.085581] CPU: 2 PID: 1985 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 80.100449] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.107080] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 80.113127] Code: 36 d8 a0 e9 be 9b fd ff 48 c7 c7 38 36 d8 a0 e8 b2 9b fd ff 48 8b 05 28 fd ab 00 ba 34 12 cd ab 48 c7 c7 e0 35 d8 a0 48 31 d0 <48> 89 05 12 fd ab 00 e9 90 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 80.134128] RSP: 0018:ffffadee02627e60 EFLAGS: 00010202 [ 80.139970] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 80.147959] RDX: 00000000abcd1234 RSI: ffff90cf7bd1bf70 RDI: ffffffffa0d835e0 [ 80.155944] RBP: ffffffffa0d827d6 R08: 0000000000000000 R09: 0000000000000000 [ 80.163918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 80.171905] R13: ffffadee02627f10 R14: ffffadee02627f10 R15: ffff90cf054bb000 [ 80.179883] FS: 00007f93addeb580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 80.188935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.195364] CR2: ffffffffa0dfe330 CR3: 00000001060e4000 CR4: 00000000003506e0 [ 80.203355] Call Trace: [ 80.206102] direct_entry.cold+0x2c/0x38 [ 80.210500] full_proxy_write+0x56/0x80 [ 80.214803] vfs_write+0xea/0x3a0 [ 80.218512] ksys_write+0x68/0xf0 [ 80.222223] do_syscall_64+0x33/0x40 [ 80.226224] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 80.231887] RIP: 0033:0x7f93add018f3 [ 80.235886] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.256903] RSP: 002b:00007ffff26e1a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.265374] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f93add018f3 [ 80.273351] RDX: 0000000000000014 RSI: 00007f93adbf4000 RDI: 0000000000000001 [ 80.281337] RBP: 00007f93adbf4000 R08: 00007f93adbf3010 R09: 0000000000000000 [ 80.289329] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.297313] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.305305] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.321283] CR2: ffffffffa0dfe330 [ 80.324988] ---[ end trace 84c2823588420ce4 ]--- [ 80.330154] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.334543] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 80.355537] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 80.361375] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.369355] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 80.377343] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 80.385319] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.393303] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 80.401293] FS: 00007f93addeb580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 80.410342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.416769] CR2: ffffffffa0dfe330 CR3: 00000001060e4000 CR4: 00000000003506e0 [ 80.424750] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 80.434672] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1985, name: cat [ 80.443145] INFO: lockdep is turned off. [ 80.447533] irq event stamp: 0 [ 80.450951] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 80.457965] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 80.467122] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 80.476275] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.483292] CPU: 2 PID: 1985 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 80.491961] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.498579] Call Trace: [ 80.501327] dump_stack+0x77/0x9b [ 80.505046] ___might_sleep.cold+0xa6/0xb6 [ 80.509639] exit_signals+0x1c/0x2e0 [ 80.513643] do_exit+0xd5/0xb00 [ 80.517160] ? ksys_write+0x68/0xf0 [ 80.521069] rewind_stack_do_exit+0x17/0x20 [ 80.525755] RIP: 0033:0x7f93add018f3 [ 80.529755] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.550777] RSP: 002b:00007ffff26e1a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.559250] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f93add018f3 [ 80.567243] RDX: 0000000000000014 RSI: 00007f93adbf4000 RDI: 0000000000000001 [ 80.575222] RBP: 00007f93adbf4000 R08: 00007f93adbf3010 R09: 0000000000000000 [ 80.583201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.591181] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8 cb 99 fd ff 48 89 ee 48 c7 c7 20 37 d8 # [ 77.671680] RSP: 0018:ffffadee0249fe48 EFLAGS: 00010246 # [ 77.677535] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 77.685517] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa0d836f8 # [ 77.693504] RBP: 00007f062e6a6000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.701485] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 77.709467] R13: ffffadee0249ff10 R14: ffffadee0249ff10 R15: ffff90cf04e24000 # [ 77.717453] FS: 00007f062e677580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 77.726507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.732933] CR2: 00007f062e6a6000 CR3: 0000000104f94000 CR4: 00000000003506e0 # [ 77.740918] Call Trace: # [ 77.743665] direct_entry.cold+0x2c/0x38 # [ 77.748058] full_proxy_write+0x56/0x80 # [ 77.752356] vfs_write+0xea/0x3a0 # [ 77.756072] ksys_write+0x68/0xf0 # [ 77.759788] do_syscall_64+0x33/0x40 # [ 77.763799] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.769454] RIP: 0033:0x7f062e58d8f3 # [ 77.773460] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.794460] RSP: 002b:00007ffcfc3ff538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.802916] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f062e58d8f3 # [ 77.810892] RDX: 0000000000000011 RSI: 00007f062e480000 RDI: 0000000000000001 # [ 77.818889] RBP: 00007f062e480000 R08: 00007f062e47f010 R09: 0000000000000000 # [ 77.826873] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.834849] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.842844] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.858828] CR2: 00007f062e6a6000 # [ 77.862536] ---[ end trace 84c2823588420ce1 ]--- # [ 77.867702] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.872088] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 77.893070] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 77.898912] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.906888] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 77.914865] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 77.922841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.930818] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 77.938795] FS: 00007f062e677580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 77.947840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.954260] CR2: 00007f062e6a6000 CR3: 0000000104f94000 CR4: 00000000003506e0 # [ 77.962241] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 77.972173] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1880, name: cat # [ 77.980639] INFO: lockdep is turned off. # [ 77.985022] irq event stamp: 0 # [ 77.988439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.995451] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 78.004597] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 78.013749] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.020757] CPU: 1 PID: 1880 Comm: cat Tainted: G [ 80.963917] lkdtm: Performing direct entry WRITE_KERN D W 5.10.150-cip18 #1 # [ 78.029427] Hardware name[ 80.972202] lkdtm: attempting bad 6680728 byte write at ffffffffa033e528 : Google Coral/Coral, BIOS 09/29/2020 # [ 78.036051] Call Tr[ 80.985975] BUG: unable to handle page fault for address: ffffffffa033e528 [ 80.999821] #PF: supervisor write access in kernel mode [ 81.005669] #PF: error_code(0x0003) - permissions violation [ 81.011908] PGD d229067 P4D d229067 PUD d22a063 PMD c4001e1 [ 81.018253] Oops: 0003 [#16] SMP PTI [ 81.022263] CPU: 3 PID: 2020 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 81.030943] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.037584] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 81.042755] Code: 53 48 c7 c3 28 e5 33 a0 49 89 dc 48 89 da 49 81 ec 90 f4 cd 9f 4c 89 e6 e8 65 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 90 f4 cd 9f a4 48 c7 c7 e0 35 d8 a0 e8 4a 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 81.063784] RSP: 0018:ffffadee026a7e50 EFLAGS: 00010246 [ 81.069624] RAX: 000000000000003c RBX: ffffffffa033e528 RCX: 000000000065f098 [ 81.077608] RDX: 0000000000000000 RSI: ffffffff9fcdf490 RDI: ffffffffa033e528 [ 81.085594] RBP: ffffffffa0d827ea R08: 0000000000000000 R09: 0000000000000000 [ 81.093581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065f098 [ 81.101561] R13: ffffadee026a7f10 R14: ffffadee026a7f10 R15: ffff90cf04e96000 [ 81.109544] FS: 00007fddd95c1580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 [ 81.118614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.125047] CR2: ffffffffa033e528 CR3: 0000000104f86000 CR4: 00000000003506e0 [ 81.133033] Call Trace: [ 81.135778] direct_entry.cold+0x2c/0x38 [ 81.140168] full_proxy_write+0x56/0x80 [ 81.144462] vfs_write+0xea/0x3a0 [ 81.148173] ksys_write+0x68/0xf0 [ 81.151886] do_syscall_64+0x33/0x40 [ 81.155885] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.161538] RIP: 0033:0x7fddd94d78f3 [ 81.165538] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.186541] RSP: 002b:00007ffc13e09b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.195014] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fddd94d78f3 [ 81.203010] RDX: 000000000000000b RSI: 00007fddd93ca000 RDI: 0000000000000001 [ 81.211011] RBP: 00007fddd93ca000 R08: 00007fddd93c9010 R09: 0000000000000000 [ 81.219004] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.226997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.235001] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.251007] CR2: ffffffffa033e528 [ 81.254721] ---[ end trace 84c2823588420ce5 ]--- [ 81.259899] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.264286] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 [ 81.285318] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 [ 81.291171] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.299150] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 [ 81.307126] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 [ 81.315107] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.323086] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 [ 81.331062] FS: 00007fddd95c1580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 [ 81.340108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.346532] CR2: ffffffffa033e528 CR3: 0000000104f86000 CR4: 00000000003506e0 ace: # [ 78.038791] dump_stack+0x77/0x9b # [ 78.042502] ___might_sleep.cold+0xa6/0xb6 # [ 78.047088] exit_signals+0x1c/0x2e0 # [ 78.051093] do_exit+0xd5/0xb00 # [ 78.054612] ? ksys_write+0x68/0xf0 # [ 78.058516] rewind_stack_do_exit+0x17/0x20 # [ 78.063191] RIP: 0033:0x7f062e58d8f3 # [ 78.073407] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.094415] RSP: 002b:00007ffcfc3ff538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.102879] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f062e58d8f3 # [ 78.110858] RDX: 0000000000000011 RSI: 00007f062e480000 RDI: 0000000000000001 # [ 78.118842] RBP: 00007f062e480000 R08: 00007f062e47f010 R09: 0000000000000000 # [ 78.126834] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.134818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 78.476571] lkdtm: Performing direct entry ACCESS_NULL # [ 78.484702] lkdtm: attempting bad read at 0000000000000000 # [ 78.490875] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 78.498668] #PF: supervisor read access in kernel mode # [ 78.504417] #PF: error_code(0x0000) - not-present page # [ 78.510161] PGD 0 P4D 0 # [ 78.513002] Oops: 0000 [#13] SMP PTI # [ 78.517013] CPU: 1 PID: 1915 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 78.525671] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.532308] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 78.537583] Code: 88 99 fd ff be 00 10 00 00 48 89 ef e8 38 8d 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 36 d8 a0 e8 62 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 36 d8 a0 48 01 # [ 78.558614] RSP: 0018:ffffadee02507e58 EFLAGS: 00010246 # [ 78.564473] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 78.572463] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 # [ 78.580448] RBP: ffffffffa0d827c1 R08: 0000000000000000 R09: 0000000000000000 # [ 78.588433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 78.596414] R13: ffffadee02507f10 R14: ffffadee02507f10 R15: ffff90cf03e5b000 # [ 78.604406] FS: 00007f8d5033f580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 78.613461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.619884] CR2: 0000000000000000 CR3: 000000010322e000 CR4: 00000000003506e0 # [ 78.627863] Call Trace: # [ 78.630607] direct_entry.cold+0x2c/0x38 # [ 78.635005] full_proxy_write+0x56/0x80 # [ 78.639306] vfs_write+0xea/0x3a0 # [ 78.643015] ksys_write+0x68/0xf0 # [ 78.646731] do_syscall_64+0x33/0x40 # [ 78.650734] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.656390] RIP: 0033:0x7f8d502558f3 # [ 78.660386] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 81.668404] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.681385] RSP:[ 81.678641] lkdtm: attempting good refcount_inc() without overflow 002b:00007fff54041338 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 81.691807] lkdtm: attempting bad refcount_inc() overflow 01 # [ 78.689848] RAX: ffffffffffffffda RBX: 000000000000000c[ 81.704099] ------------[ cut here ]------------ RCX: 00007f8d502558f3 # [ 78.697827] RDX: 000000000000000c R[ 81.715535] refcount_t: saturated; leaking memory. SI: 00007f8d50148000 RDI: 0000000000000001 # [ 78.705806] RBP[ 81.727194] WARNING: CPU: 3 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 : 00007f8d50148000 R08: 00007f8d50147010 R09: 0000000000000000 [ 81.742837] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.713789] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 81.765054] CPU: 3 PID: 2056 Comm: cat Tainted: G D W 5.10.150-cip18 #1 : 0000000000000001 # [ 78.721771] R13: 0000000000000001 R14: [ 81.779937] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000000020000 R15: 0000000000020000 # [ 78.729765] Modules[ 81.792814] RIP: 0010:refcount_warn_saturate+0x51/0x110 linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec[ 81.804879] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 d1 a0 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 d1 _lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_[ 81.832127] RSP: 0018:ffffadee0272fe48 EFLAGS: 00010286 usbpd_notify # [ 78.745761] CR2: 0000000000000000 # [ 78.7[ 81.844197] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 49461] ---[ end trace 84c2823588420ce2 ]--- # [ 78.754632] RI[ 81.858455] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 P: 0010:lkdtm_BUG+0x5/0x10 # [ 78.759017] Code: 89 ff e8 ee b[ 81.872645] RBP: ffffffffa0d827f5 R08: 0000000000000000 R09: 0000000000000000 1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc[ 81.886885] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 81.901144] R13: ffffadee0272ff10 R14: ffffadee0272ff10 R15: ffff90cf03d04000 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 78.7[ 81.915334] FS: 00007fab08ac8580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 80020] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 78.785[ 81.930654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 863] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000[ 81.943294] CR2: 00007fab088d1000 CR3: 0000000103e5e000 CR4: 00000000003506e0 000000 # [ 78.793861] RDX: 0000000000000000 RSI: ffff90cf7bc9[ 81.957558] Call Trace: bf70 RDI: ffffffffa099b290 # [ 78.801851] RBP: ffffffffa0dddb[ 81.966766] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 28 R08: 0000000000000001 R09: 0000000000000001 # [ 78.809839][ 81.978121] direct_entry.cold+0x2c/0x38 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 81.988952] full_proxy_write+0x56/0x80 04 # [ 78.817838] R13: ffffadee0139ff10 R14: ffffadee0139ff10[ 81.999466] vfs_write+0xea/0x3a0 R15: ffff90cf041e2000 # [ 78.825817] FS: 00007f8d5033f580(0[ 82.009220] ksys_write+0x68/0xf0 000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 78.[ 82.019286] do_syscall_64+0x33/0x40 834862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 82.029398] entry_SYSCALL_64_after_hwframe+0x61/0xc6 78.841284] CR2: 0000000000000000 CR3: 000000010322e000 CR4: 000[ 82.041368] RIP: 0033:0x7fab089de8f3 00000003506e0 # [ 78.849266] BUG: sleeping function called fr[ 82.051514] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 om invalid context at include/linux/percpu-rwsem.h:49 # [ 78.[ 82.078889] RSP: 002b:00007ffe211dae28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 859197] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1[ 82.093460] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fab089de8f3 915, name: cat # [ 78.867676] INFO: lockdep is turned off. #[ 82.107697] RDX: 0000000000000016 RSI: 00007fab088d1000 RDI: 0000000000000001 [ 78.872062] irq event stamp: 0 # [ 78.875474] hardirqs la[ 82.121868] RBP: 00007fab088d1000 R08: 00007fab088d0010 R09: 0000000000000000 st enabled at (0): [<0000000000000000>] 0x0 # [ 78.882489] h[ 82.136092] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ardirqs last disabled at (0): [] copy_process+[ 82.150276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x640/0x1c80 # [ 78.891634] softirqs last enabled at (0): [<[ 82.164543] irq event stamp: 0 ffffffff9f500cf0>] copy_process+0x640/0x1c80 # [ 78.900793] s[ 82.174140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 oftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78[ 82.187412] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 .907818] CPU: 1 PID: 1915 Comm: cat Tainted: G D W [ 82.202777] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 5.10.150-cip18 #1 # [ 78.916481] Hardware name: Google Coral/[ 82.218301] softirqs last disabled at (0): [<0000000000000000>] 0x0 Coral, BIOS 09/29/2020 # [ 78.923099] Call Trace: # [ 78.[ 82.231561] ---[ end trace 84c2823588420ce6 ]--- 925838] dump_stack+0x77/0x9b # [ 78.929555] ___might_sleep.[ 82.242941] lkdtm: Overflow detected: saturated cold+0xa6/0xb6 # [ 78.934149] exit_signals+0x1c/0x2e0 # [ 78.938150] do_exit+0xd5/0xb00 # [ 78.941668] ? ksys_write+0x68/0xf0 # [ 78.945582] rewind_stack_do_exit+0x17/0x20 # [ 78.950263] RIP: 0033:0x7f8d502558f3 # [ 78.954266] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.975291] RSP: 002b:00007fff54041338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.983771] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8d502558f3 # [ 78.991759] RDX: 000000000000000c RSI: 00007f8d50148000 RDI: 0000000000000001 # [ 78.999742] RBP: 00007f8d50148000 R08: 00007f8d50147010 R09: 0000000000000000 # [ 79.007717] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.015693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 79.344251] lkdtm: Performing direct entry WRITE_RO # [ 79.352819] lkdtm: attempting bad rodata write at ffffffffa099b710 # [ 79.359798] BUG: unable to handle page fault for address: ffffffffa099b710 # [ 79.367492] #PF: supervisor write access in kernel mode # [ 79.373345] #PF: error_code(0x0003) - permissions violation # [ 79.379580] PGD d229067 P4D d229067 PUD d22a063 PMD 800000000ca001e1 # [ 79.393001] Oops: 0003 [#14] SMP PTI # [ 79.397005] CPU: 2 PID: 1950 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 79.411866] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.418498] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 79.423469] Code: 00 48 c7 c7 b0 35 d8 a0 48 c7 c6 10 b7 99 a0 e8 0c 9c fd ff 48 8b 05 62 d1 65 00 ba 34 12 cd ab 48 c7 c7 e0 35 d8 a0 48 31 d0 <48> 89 05 4c d1 65 00 e9 ea 9b fd ff 0f 1f 44 00 00 48 8b 05 5b fd # [ 79.444491] RSP: 0018:ffffadee025b7e60 EFLAGS: 00010202 # [ 79.450349] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 79.458339] RDX: 00000000abcd1234 RSI: ffff90cf7bd1bf70 RDI: ffffffffa0d835e0 # [ 79.466332] RBP: ffffffffa0d827cd R08: 0000000000000000 R09: 0000000000000000 # [ 79.474314] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 79.482294] R13: ffffadee025b7f10 R14: ffffadee025b7f10 R15: ffff90cf05629000 # [ 79.490284] FS: 00007f519dbe3580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 79.499326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.505748] CR2: ffffffffa099b710 CR3: 0000000104fea000 CR4: 00000000003506e0 # [ 79.513728] Call Trace: # [ 79.516471] direct_entry.cold+0x2c/0x38 # [ 79.520867] full_proxy_write+0x56/0x80 # [ 79.525161] vfs_write+0xea/0x3a0 # [ 79.528875] ksys_write+0x68/0xf0 # [ 79.532587] do_syscall_64+0x33/0x40 # [ 79.536594] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.542250] RIP: 0033:0x7f519daf98f3 # [ 79.546249] Code: [ 82.546693] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 82.559696] lkdtm: attempting good refcount_add() without overflow 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1[ 82.566679] lkdtm: attempting bad refcount_add() overflow [ 82.578970] ------------[ cut here ]------------ f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <4[ 82.584153] refcount_t: saturated; leaking memory. 8> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 1[ 82.595799] WARNING: CPU: 0 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 8 # [ 79.567261] RSP: 002b:00007ffddfc93608 EFLAGS: 00000246 [ 82.611470] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ORIG_RAX: 0000000000000001 # [ 79.575736] RAX: ffffffffffffff[ 82.633749] CPU: 0 PID: 2088 Comm: cat Tainted: G D W 5.10.150-cip18 #1 da RBX: 0000000000000009 RCX: 00007f519daf98f3 # [ 79.583721][ 82.648646] Hardware name: Google Coral/Coral, BIOS 09/29/2020 RDX: 0000000000000009 RSI: 00007f519d9ec000 RDI: 00000000000000[ 82.661502] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 82.673593] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 d1 a0 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 d1 [ 82.694665] RSP: 0018:ffffadee0279fe48 EFLAGS: 00010286 [ 82.700541] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 82.708565] RDX: ffff90cf7bc2c660 RSI: ffff90cf7bc1bf70 RDI: ffff90cf7bc1bf70 [ 82.716588] RBP: ffffffffa0d8280b R08: 0000000000000000 R09: 0000000000000000 [ 82.724611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 82.732635] R13: ffffadee0279ff10 R14: ffffadee0279ff10 R15: ffff90cf03da5000 [ 82.740658] FS: 00007f1a48b3a580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 [ 82.749750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.756210] CR2: 00007f1a48943000 CR3: 00000001057ca000 CR4: 00000000003506f0 [ 82.764234] Call Trace: [ 82.767011] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 01 # [ 79.591702] RBP: 00007f519d9ec000 R08: 00007f519d9eb010[ 82.772416] direct_entry.cold+0x2c/0x38 [ 82.783031] full_proxy_write+0x56/0x80 [ 82.787360] vfs_write+0xea/0x3a0 [ 82.791101] ksys_write+0x68/0xf0 [ 82.794844] do_syscall_64+0x33/0x40 [ 82.798875] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.804553] RIP: 0033:0x7f1a48a508f3 [ 82.808579] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.829638] RSP: 002b:00007ffebddb14a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.838149] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1a48a508f3 [ 82.846163] RDX: 0000000000000016 RSI: 00007f1a48943000 RDI: 0000000000000001 R09: 0000000000000000 # [ 79.599689] R10: fffffffffffffbc5 R[ 82.854184] RBP: 00007f1a48943000 R08: 00007f1a48942010 R09: 0000000000000000 11: 0000000000000246 R12: 0000000000000001 # [ 79.607684] R13[ 82.868403] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 82.882632] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.890663] irq event stamp: 0 : 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.894106] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.615676] Modules linked in: fuse ip_tables cros_ec_sysfs[ 82.907352] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_t[ 82.922753] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 hermal cros_ec_dev cros_usbpd_notify # [ 79.631658] CR2: ffff[ 82.938152] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffffa099b710 # [ 79.635361] ---[ end trace 84c2823588420ce3 ][ 82.951423] ---[ end trace 84c2823588420ce7 ]--- --- # [ 79.640526] RIP: 0010:lkdtm_BUG+0x5/0x10[ 82.962819] lkdtm: Overflow detected: saturated # [ 79.644917] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 79.665948] RSP: 0018:ffffadee0139fe60 EFLAGS: 00010286 # [ 79.671790] RAX: ffffffff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.679786] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 79.687788] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 79.695779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.703780] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 79.711781] FS: 00007f519dbe3580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 79.720853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.727289] CR2: ffffffffa099b710 CR3: 0000000104fea000 CR4: 00000000003506e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 80.030245] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 80.040706] lkdtm: attempting bad ro_after_init write at ffffffffa0dfe330 # [ 80.048352] BUG: unable to handle page fault for address: ffffffffa0dfe330 # [ 80.056060] #PF: supervisor write access in kernel mode # [ 80.061913] #PF: error_code(0x0003) - permissions violation # [ 80.068146] PGD d229067 P4D d229067 PUD d22a063 PMD 800000000ce001e1 # [ 80.081581] Oops: 0003 [#15] SMP PTI # [ 80.085581] CPU: 2 PID: 1985 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 80.100449] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.107080] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 80.113127] Code: 36 d8 a0 e9 be 9b fd ff 48 c7 c7 38 36 d8 a0 e8 b2 9b fd ff 48 8b 05 28 fd ab 00 ba 34 12 cd ab 48 c7 c7 e0 35 d8 a0 48 31 d0 <48> 89 05 12 fd ab 00 e9 90 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 80.134128] RSP: 0018:ffffadee02627e60 EFLAGS: 00010202 # [ 80.139970] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 80.147959] RDX: 00000000abcd1234 RSI: ffff90cf7bd1bf70 RDI: ffffffffa0d835e0 # [ 80.155944] RBP: ffffffffa0d827d6 R08: 0000000000000000 R09: 0000000000000000 # [ 80.163918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 80.171905] R13: ffffadee02627f10 R14: ffffadee02627f10 R15: ffff90cf054bb000 # [ 80.179883] FS: 00007f93addeb580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 80.188935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.195364] CR2: ffffffffa0dfe330 CR3: 00000001060e4000 CR4: 00000000003506e0 # [ 80.203355] Call Trace: # [ 80.206102] direct_entry.cold+0x2c/0x38 # [ 80.210500] full_proxy_write+0x56/0x80 # [ 80.214803] vfs_write+0xea/0x3a0 # [ 80.218512] ksys_write+0x68/0xf0 # [ 80.222223] do_syscall_64+0x33/0x40 # [ 80.226224] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 80.231887] RIP: 0033:0x7f93add018f3[ 83.270548] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 80.235886] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c[ 83.279453] lkdtm: attempting bad refcount_inc_not_zero() overflow 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 83.292586] ------------[ cut here ]------------ b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 83.304022] refcount_t: saturated; leaking memory. 8 83 ec 28 48 89 54 24 18 # [ 80.256903] RSP: 002b:00007ffff2[ 83.315690] WARNING: CPU: 3 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 6e1a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.265[ 83.331348] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 374] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f93ad[ 83.353541] CPU: 3 PID: 2120 Comm: cat Tainted: G D W 5.10.150-cip18 #1 d018f3 # [ 80.273351] RDX: 0000000000000014 RSI: 00007f93adbf[ 83.368437] Hardware name: Google Coral/Coral, BIOS 09/29/2020 4000 RDI: 0000000000000001 # [ 80.281337] RBP: 00007f93adbf40[ 83.381334] RIP: 0010:refcount_warn_saturate+0x97/0x110 00 R08: 00007f93adbf3010 R09: 0000000000000000 # [ 80.289329][ 83.393431] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 a0 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000000[ 83.420705] RSP: 0018:ffffadee0281fe38 EFLAGS: 00010282 01 # [ 80.297313] R13: 0000000000000001 R14: 0000000000020000[ 83.432792] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 R15: 0000000000020000 # [ 80.305305] Modules linked in: fuse[ 83.447053] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_e[ 83.461298] RBP: ffffffffa0d82448 R08: 0000000000000000 R09: 0000000000000000 c_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.475541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 80.321283] CR2: ffffffffa0dfe330 # [ 80.324988] ---[ end [ 83.489769] R13: ffffadee0281ff10 R14: ffffadee0281ff10 R15: ffff90cf02749000 trace 84c2823588420ce4 ]--- # [ 80.330154] RIP: 0010:lkdtm_BU[ 83.504026] FS: 00007fd899664580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 G+0x5/0x10 # [ 80.334543] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0[ 83.519311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 [ 83.532039] CR2: 00007fd89946d000 CR3: 0000000104090000 CR4: 00000000003506e0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00[ 83.546442] Call Trace: 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 80.355537] RSP: 0018[ 83.555268] __refcount_add_not_zero.constprop.0+0x2a/0x35 :ffffadee0139fe60 EFLAGS: 00010286 # [ 80.361375] RAX: ffffff[ 83.567816] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 ff9fcdf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80[ 83.580108] direct_entry.cold+0x2c/0x38 .369355] RDX: 0000000000000000 RSI: ffff90cf7bc9bf70 RDI: ffffff[ 83.590762] full_proxy_write+0x56/0x80 ffa099b290 # [ 80.377343] RBP: ffffffffa0dddb28 R08: 00000000[ 83.601342] vfs_write+0xea/0x3a0 00000001 R09: 0000000000000001 # [ 80.385319] R10: 00000000ff[ 83.611193] ksys_write+0x68/0xf0 ffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.393[ 83.621283] do_syscall_64+0x33/0x40 303] R13: ffffadee0139ff10 R14: ffffadee0139ff10 R15: ffff90cf04[ 83.631386] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1e2000 # [ 80.401293] FS: 00007f93addeb580(0000) GS:ffff90cf[ 83.643449] RIP: 0033:0x7fd89957a8f3 7bd00000(0000) knlGS:0000000000000000 # [ 80.410342] CS: 001[ 83.653572] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.416769] CR2:[ 83.680963] RSP: 002b:00007fffcea728c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffffffffa0dfe330 CR3: 00000001060e4000 CR4: 00000000003506e0 #[ 83.695637] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd89957a8f3 [ 80.424750] BUG: sleeping function called from invalid conte[ 83.709871] RDX: 000000000000001f RSI: 00007fd89946d000 RDI: 0000000000000001 xt at include/linux/percpu-rwsem.h:49 # [ 80.434672] in_atomi[ 83.724096] RBP: 00007fd89946d000 R08: 00007fd89946c010 R09: 0000000000000000 c(): 0, irqs_disabled(): 1, non_block: 0, pid: 1985, name: cat [ 83.738351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.443145] INFO: lockdep is turned off. # [ 80.447533] [ 83.752569] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 irq event stamp: 0 # [ 80.450951] hardirqs last enabled at ([ 83.766972] irq event stamp: 0 0): [<0000000000000000>] 0x0 # [ 80.457965] hardirqs last dis[ 83.776391] hardirqs last enabled at (0): [<0000000000000000>] 0x0 abled at (0): [] copy_process+0x640/0x1c80 # [ 83.789725] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 80.467122] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 >] copy_process+0x640/0x1c80 # [ 80.476275] softirqs last dis[ 83.820462] softirqs last disabled at (0): [<0000000000000000>] 0x0 abled at (0): [<0000000000000000>] 0x0 # [ 80.483292] CPU: 2 [ 83.833673] ---[ end trace 84c2823588420ce8 ]--- PID: 1985 Comm: cat Tainted: G D W 5.10.150-cip18 #[ 83.845140] lkdtm: Overflow detected: saturated 1 # [ 80.491961] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.498579] Call Trace: # [ 80.501327] dump_stack+0x77/0x9b # [ 80.505046] ___might_sleep.cold+0xa6/0xb6 # [ 80.509639] exit_signals+0x1c/0x2e0 # [ 80.513643] do_exit+0xd5/0xb00 # [ 80.517160] ? ksys_write+0x68/0xf0 # [ 80.521069] rewind_stack_do_exit+0x17/0x20 # [ 80.525755] RIP: 0033:0x7f93add018f3 # [ 80.529755] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.550777] RSP: 002b:00007ffff26e1a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.559250] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f93add018f3 # [ 80.567243] RDX: 0000000000000014 RSI: 00007f93adbf4000 RDI: 0000000000000001 # [ 80.575222] RBP: 00007f93adbf4000 R08: 00007f93adbf3010 R09: 0000000000000000 # [ 80.583201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.591181] 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 # [ 80.963917] lkdtm: Performing direct entry WRITE_KERN # [ 80.972202] lkdtm: attempting bad 6680728 byte write at ffffffffa033e528 # [ 80.985975] BUG: unable to handle page fault for address: ffffffffa033e528 # [ 80.999821] #PF: supervisor write access in kernel mode # [ 81.005669] #PF: error_code(0x0003) - permissions violation # [ 81.011908] PGD d229067 P4D d229067 PUD d22a063 PMD c4001e1 # [ 81.018253] Oops: 0003 [#16] SMP PTI # [ 81.022263] CPU: 3 PID: 2020 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 81.030943] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.037584] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 81.042755] Code: 53 48 c7 c3 28 e5 33 a0 49 89 dc 48 89 da 49 81 ec 90 f4 cd 9f 4c 89 e6 e8 65 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 90 f4 cd 9f a4 48 c7 c7 e0 35 d8 a0 e8 4a 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 81.063784] RSP: 0018:ffffadee026a7e50 EFLAGS: 00010246 # [ 81.069624] RAX: 000000000000003c RBX: ffffffffa033e528 RCX: 000000000065f098 # [ 81.077608] RDX: 0000000000000000 RSI: ffffffff9fcdf490 RDI: ffffffffa033e528 # [ 81.085594] RBP: ffffffffa0d827ea R08: 0000000000000000 R09: 0000000000000000 # [ 81.093581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065f098 # [ 81.101561] R13: ffffadee026a7f10 R14: ffffadee026a7f10 R15: ffff90cf04e96000 # [ 81.109544] FS: 00007fddd95c1580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 81.118614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.125047] CR2: ffffffffa033e528 CR3: 0000000104f86000 CR4: 00000000003506e0 # [ 81.133033] Call Trace: # [ 81.135778] direct_entry.cold+0x2c/0x38 # [ 81.140168] full_proxy_write+0x56/0x80 # [ 81.144462] vfs_write+0xea/0x3a0 # [ 81.148173] ksys_write+0x68/0xf0 # [ 81.151886] do_syscall_64+0x33/0x40 # [ 81.155885] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.161538] RIP: 0033:0x7fddd94d78f3 # [ 81.165538] Cod[ 84.169641] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW e: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0[ 84.181695] lkdtm: attempting bad refcount_add_not_zero() overflow f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05[ 84.194885] ------------[ cut here ]------------ <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 2[ 84.206277] refcount_t: saturated; leaking memory. 4 18 # [ 81.186541] RSP: 002b:00007ffc13e09b18 EFLAGS: 000002[ 84.217920] WARNING: CPU: 3 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 46 ORIG_RAX: 0000000000000001 # [ 81.195014] RAX: fffffffffff[ 84.233661] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffda RBX: 000000000000000b RCX: 00007fddd94d78f3 # [ 81.2030[ 84.255888] CPU: 3 PID: 2152 Comm: cat Tainted: G D W 5.10.150-cip18 #1 10] RDX: 000000000000000b RSI: 00007fddd93ca000 RDI: 00000000000[ 84.270763] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00001 # [ 81.211011] RBP: 00007fddd93ca000 R08: 00007fddd93c9[ 84.283658] RIP: 0010:refcount_warn_saturate+0x97/0x110 010 R09: 0000000000000000 # [ 81.219004] R10: fffffffffffffbc[ 84.295788] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 a0 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.226997] [ 84.323087] RSP: 0018:ffffadee02887e38 EFLAGS: 00010282 R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 84.335163] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 0 # [ 81.235001] Modules linked in: fuse ip_tables cros_ec_sy[ 84.349413] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 sfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_tem[ 84.363664] RBP: ffffffffa0d82468 R08: 0000000000000000 R09: 0000000000000000 p_thermal cros_ec_dev cros_usbpd_notify # [ 81.251007] CR2: f[ 84.377900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f fffffffa033e528 # [ 81.254721] ---[ end trace 84c2823588420ce[ 84.392175] R13: ffffadee02887f10 R14: ffffadee02887f10 R15: ffff90cf04f35000 5 ]--- # [ 81.259899] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.[ 84.406390] FS: 00007fb3f6702580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 264286] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48[ 84.421708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f [ 84.434369] CR2: 00007fb3f650b000 CR3: 0000000103e04000 CR4: 00000000003506e0 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83[ 84.448642] Call Trace: 05 50 d4 92 02 # [ 81.285318] RSP: 0018:ffffadee0139fe60 EFL[ 84.457695] __refcount_add_not_zero.constprop.0+0x2a/0x35 AGS: 00010286 # [ 81.291171] RAX: ffffffff9fcdf0c0 RBX: 00000[ 84.470275] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 00000000001 RCX: 0000000000000000 # [ 81.299150] RDX: 0000000[ 84.482522] direct_entry.cold+0x2c/0x38 000000000 RSI: ffff90cf7bc9bf70 RDI: ffffffffa099b290 # [ 81.[ 84.493355] full_proxy_write+0x56/0x80 307126] RBP: ffffffffa0dddb28 R08: 0000000000000001 R09: 0000000[ 84.503945] vfs_write+0xea/0x3a0 000000001 # [ 81.315107] R10: 00000000ffffe000 R11: 3ffffffff[ 84.513846] ksys_write+0x68/0xf0 fffffff R12: 0000000000000004 # [ 81.323086] R13: ffffadee013[ 84.523745] do_syscall_64+0x33/0x40 9ff10 R14: ffffadee0139ff10 R15: ffff90cf041e2000 # [ 81.3310[ 84.533938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 62] FS: 00007fddd95c1580(0000) GS:ffff90cf7bd80000(0000) knlGS:[ 84.545712] RIP: 0033:0x7fb3f66188f3 0000000000000000 # [ 81.340108] CS: 0010 DS: 0000 ES: 0000 C[ 84.556069] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R0: 0000000080050033 # [ 81.346532] CR2: ffffffffa033e528 CR3[ 84.583215] RSP: 002b:00007fffb7eccca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 0000000104f86000 CR4: 00000000003506e0 # WRITE_KERN: saw 'cal[ 84.598094] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb3f66188f3 l trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftest[ 84.612230] RDX: 000000000000001f RSI: 00007fb3f650b000 RDI: 0000000000000001 s: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 81.668404] lkdtm: Perf[ 84.626543] RBP: 00007fb3f650b000 R08: 00007fb3f650a010 R09: 0000000000000000 orming direct entry REFCOUNT_INC_OVERFLOW # [ 81.678641] lkdt[ 84.640754] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 m: attempting good refcount_inc() without overflow # [ 81.691[ 84.654994] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 807] lkdtm: attempting bad refcount_inc() overflow # [ 81.704[ 84.669393] irq event stamp: 0 099] ------------[ cut here ]------------ # [ 81.715535] refc[ 84.678823] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ount_t: saturated; leaking memory. # [ 81.727194] WARNING: CP[ 84.692142] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 U: 3 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x51/[ 84.707492] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0x110 # [ 81.742837] Modules linked in: fuse ip_tables cros_e[ 84.722950] softirqs last disabled at (0): [<0000000000000000>] 0x0 c_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg[ 84.736164] ---[ end trace 84c2823588420ce9 ]--- _temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.765054] CP[ 84.747604] lkdtm: Overflow detected: saturated U: 3 PID: 2056 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 81.779937] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.792814] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 81.804879] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 d1 a0 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 d1 # [ 81.832127] RSP: 0018:ffffadee0272fe48 EFLAGS: 00010286 # [ 81.844197] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 81.858455] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 81.872645] RBP: ffffffffa0d827f5 R08: 0000000000000000 R09: 0000000000000000 # [ 81.886885] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 81.901144] R13: ffffadee0272ff10 R14: ffffadee0272ff10 R15: ffff90cf03d04000 # [ 81.915334] FS: 00007fab08ac8580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 81.930654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.943294] CR2: 00007fab088d1000 CR3: 0000000103e5e000 CR4: 00000000003506e0 # [ 81.957558] Call Trace: # [ 81.966766] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 81.978121] direct_entry.cold+0x2c/0x38 # [ 81.988952] full_proxy_write+0x56/0x80 # [ 81.999466] vfs_write+0xea/0x3a0 # [ 82.009220] ksys_write+0x68/0xf0 # [ 82.019286] do_syscall_64+0x33/0x40 # [ 82.029398] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.041368] RIP: 0033:0x7fab089de8f3 # [ 82.051514] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.078889] RSP: 002b:00007ffe211dae28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.093460] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fab089de8f3 # [ 82.107697] RDX: 0000000000000016 RSI: 00007fab088d1000 RDI: 0000000000000001 # [ 82.121868] RBP: 00007fab088d1000 R08: 00007fab088d0010 R09: 0000000000000000 # [ 82.136092] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 82.150276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.164543] irq event stamp: 0 # [ 82.174140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.187412] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 82.202777] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 82.218301] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.231561] ---[ end trace 84c2823588420ce6 ]--- # [ 82.242941] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 82.546693] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 82.559696] lkdtm: attempting good refcount_add() without overflow # [ 82.56667[ 85.057559] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 9] lkdtm: attempting bad refcount_add() overflow # [ 82.57897[ 85.064193] lkdtm: attempting good refcount_dec() 0] ------------[ cut here ]------------ # [ 82.584153] refcou[ 85.075722] lkdtm: attempting bad refcount_dec() to zero nt_t: saturated; leaking memory. # [ 82.595799] WARNING: CPU:[ 85.087972] ------------[ cut here ]------------ 0 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x[ 85.099554] refcount_t: decrement hit 0; leaking memory. 110 # [ 82.611470] Modules linked in: fuse ip_tables cros_ec_[ 85.111603] WARNING: CPU: 3 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_t[ 85.127441] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify emp_thermal cros_ec_dev cros_usbpd_notify # [ 82.633749] CPU:[ 85.149643] CPU: 3 PID: 2184 Comm: cat Tainted: G D W 5.10.150-cip18 #1 0 PID: 2088 Comm: cat Tainted: G D W 5.10.150-cip1[ 85.164561] Hardware name: Google Coral/Coral, BIOS 09/29/2020 8 #1 # [ 82.648646] Hardware name: Google Coral/Coral, BIOS [ 85.177343] RIP: 0010:refcount_warn_saturate+0xfb/0x110 09/29/2020 # [ 82.661502] RIP: 0010:refcount_warn_saturate+0x[ 85.189498] Code: d0 e2 d1 a0 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 d1 a0 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 51/0x110 # [ 82.673593] Code: 84 bc 00 00 00 c3 cc cc cc cc 8[ 85.216760] RSP: 0018:ffffadee02917e48 EFLAGS: 00010286 5 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 d1 a0 c6 05[ 85.228848] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2[ 85.243114] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 e 94 01 00 75 cb 48 c7 c7 48 e2 d1 # [ 82.694665] RSP: 0018:f[ 85.257333] RBP: ffffffffa0d82821 R08: 0000000000000000 R09: 0000000000000000 fffadee0279fe48 EFLAGS: 00010286 # [ 82.700541] RAX: 00000000[ 85.271606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 00000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 82.7[ 85.285827] R13: ffffadee02917f10 R14: ffffadee02917f10 R15: ffff90cf03d6f000 08565] RDX: ffff90cf7bc2c660 RSI: ffff90cf7bc1bf70 RDI: ffff90cf[ 85.300119] FS: 00007f1fba432580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 7bc1bf70 # [ 82.716588] RBP: ffffffffa0d8280b R08: 0000000000[ 85.315462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000 R09: 0000000000000000 # [ 82.724611] R10: 00000000ffff[ 85.328103] CR2: 00007f1fba23b000 CR3: 000000010614e000 CR4: 00000000003506e0 e000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 82.73263[ 85.342359] Call Trace: 5] R13: ffffadee0279ff10 R14: ffffadee0279ff10 R15: ffff90cf03da[ 85.351321] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 5000 # [ 82.740658] FS: 00007f1a48b3a580(0000) GS:ffff90cf7b[ 85.362572] direct_entry.cold+0x2c/0x38 c00000(0000) knlGS:0000000000000000 # [ 82.749750] CS: 0010 [ 85.373196] full_proxy_write+0x56/0x80 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.756210] CR2: 0[ 85.383768] vfs_write+0xea/0x3a0 0007f1a48943000 CR3: 00000001057ca000 CR4: 00000000003506f0 # [[ 85.393755] ksys_write+0x68/0xf0 82.764234] Call Trace: # [ 82.767011] lkdtm_REFCOUNT_ADD_[ 85.403722] do_syscall_64+0x33/0x40 OVERFLOW+0x7f/0xa7 # [ 82.772416] direct_entry.cold+0x2c/0x3[ 85.413920] entry_SYSCALL_64_after_hwframe+0x61/0xc6 8 # [ 82.783031] full_proxy_write+0x56/0x80 # [ 82.787360[ 85.425660] RIP: 0033:0x7f1fba3488f3 ] vfs_write+0xea/0x3a0 # [ 82.791101] ksys_write+0x68/0xf0[ 85.435878] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.794844] do_syscall_64+0x33/0x40 # [ 82.798875] en[ 85.463247] RSP: 002b:00007ffe2dc75f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 try_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.804553] RIP: 00[ 85.477930] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1fba3488f3 33:0x7f1a48a508f3 # [ 82.808579] Code: 8b 15 a1 25 0e 00 f7 d[ 85.492190] RDX: 0000000000000012 RSI: 00007f1fba23b000 RDI: 0000000000000001 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00[ 85.506335] RBP: 00007f1fba23b000 R08: 00007f1fba23a010 R09: 0000000000000000 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5[ 85.520601] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.829638] RS[ 85.534797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 P: 002b:00007ffebddb14a8 EFLAGS: 00000246 ORIG_RAX: 000000000000[ 85.549042] irq event stamp: 0 0001 # [ 82.838149] RAX: ffffffffffffffda RBX: 00000000000000[ 85.558726] hardirqs last enabled at (0): [<0000000000000000>] 0x0 16 RCX: 00007f1a48a508f3 # [ 82.846163] RDX: 0000000000000016[ 85.571950] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 RSI: 00007f1a48943000 RDI: 0000000000000001 # [ 82.854184] R[ 85.587330] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 BP: 00007f1a48943000 R08: 00007f1a48942010 R09: 0000000000000000[ 85.602709] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.868403] R10: fffffffffffffbc5 R11: 0000000000000246 R[ 85.615980] ---[ end trace 84c2823588420cea ]--- 12: 0000000000000001 # [ 82.882632] R13: 0000000000000001 R14[ 85.627362] lkdtm: Zero detected: saturated : 0000000000020000 R15: 0000000000020000 # [ 82.890663] irq event stamp: 0 # [ 82.894106] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.907352] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 82.922753] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 82.938152] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.951423] ---[ end trace 84c2823588420ce7 ]--- # [ 82.962819] 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 # [ 83.270548] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 83.279453] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 83.292586] ------------[ cut here ]------------ # [ 83.304022] refcount_t: saturated; leaking memory. # [ 83.315690] WARNING: CPU: 3 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 83.331348] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.353541] CPU: 3 PID: 2120 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 83.368437] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.381334] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 83.393431] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 a0 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 # [ 83.420705] RSP: 0018:ffffadee0281fe38 EFLAGS: 00010282 # [ 83.432792] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 83.447053] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 83.461298] RBP: ffffffffa0d82448 R08: 0000000000000000 R09: 0000000000000000 # [ 83.475541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 83.489769] R13: ffffadee0281ff10 R14: ffffadee0281ff10 R15: ffff90cf02749000 # [ 83.504026] FS: 00007fd899664580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 83.519311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.532039] CR2: 00007fd89946d000 CR3: 0000000104090000 CR4: 00000000003506e0 # [ 83.546442] Call Trace: # [ 83.555268] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 83.567816] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 83.580108] direct_entry.cold+0x2c/0x38 # [ 83.590762] full_proxy_write+0x56/0x80 # [ 83.601342] vfs_write+0xea/0x3a0 # [ 83.611193] ksys_write+0x68/0xf0 # [ 83.621283] do_syscall_64+0x33/0x40 # [ 83.631386] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 83.643449] RIP: 0033:0x7fd89957a8f3 # [ 83.653572] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.680963] RSP: 002b:00007fffcea728c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.695637] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd89957a8f3 # [ 83.709871] RDX: 000000000000001f RSI: 00007fd89946d000 RDI: 0000000000000001 # [ 83.724096] RBP: 00007fd89946d000 R08: 00007fd89946[ 85.965286] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 85.975212] lkdtm: attempting bad refcount_dec() below zero c010 R09: 0000000000000000 # [ 83.738351] R10: fffffffffffffb[ 85.981512] ------------[ cut here ]------------ [ 85.992941] refcount_t: decrement hit 0; leaking memory. [ 85.998965] WARNING: CPU: 1 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 86.008460] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.024510] CPU: 1 PID: 2219 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 86.033214] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.039874] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 86.045762] Code: d0 e2 d1 a0 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 d1 a0 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 86.066829] RSP: 0018:ffffadee0299fe48 EFLAGS: 00010286 [ 86.072711] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 86.080733] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 [ 86.088746] RBP: ffffffffa0d82833 R08: 0000000000000000 R09: 0000000000000000 [ 86.096763] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 86.104774] R13: ffffadee0299ff10 R14: ffffadee0299ff10 R15: ffff90cf04f09000 [ 86.112794] FS: 00007f970d9e2580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 86.121878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.128323] CR2: 00007f970d7eb000 CR3: 0000000104f68000 CR4: 00000000003506e0 [ 86.136325] Call Trace: [ 86.139089] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 86.144481] direct_entry.cold+0x2c/0x38 [ 86.148901] full_proxy_write+0x56/0x80 [ 86.153225] vfs_write+0xea/0x3a0 [ 86.156966] ksys_write+0x68/0xf0 [ 86.160705] do_syscall_64+0x33/0x40 [ 86.164739] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 86.170429] RIP: 0033:0x7f970d8f88f3 [ 86.174461] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.752569][ 86.195534] RSP: 002b:00007ffe1ad7be68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.210268] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f970d8f88f3 [ 86.218284] RDX: 0000000000000016 RSI: 00007f970d7eb000 RDI: 0000000000000001 [ 86.226302] RBP: 00007f970d7eb000 R08: 00007f970d7ea010 R09: 0000000000000000 [ 86.234321] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[ 86.242339] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 86.256587] irq event stamp: 0 00 # [ 83.766972] irq event stamp: 0 # [ 83.776391] hardir[ 86.260038] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.273299] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 86.282493] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 86.291668] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.298709] ---[ end trace 84c2823588420ceb ]--- [ 86.303940] lkdtm: Negative detected: saturated qs last enabled at (0): [<0000000000000000>] 0x0 # [ 83.789725] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 83.805055] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 83.820462] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 83.833673] ---[ end trace 84c2823588420ce8 ]--- # [ 83.845140] 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 # [ 84.169641] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 84.181695] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 84.194885] ------------[ cut here ]------------ # [ 84.206277] refcount_t: saturated; leaking memory. # [ 84.217920] WARNING: CPU: 3 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 84.233661] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.255888] CPU: 3 PID: 2152 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 84.270763] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.283658] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 84.295788] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 a0 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 # [ 84.323087] RSP: 0018:ffffadee02887e38 EFLAGS: 00010282 # [ 84.335163] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 84.349413] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 84.363664] RBP: ffffffffa0d82468 R08: 0000000000000000 R09: 0000000000000000 # [ 84.377900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 84.392175] R13: ffffadee02887f10 R14: ffffadee02887f10 R15: ffff90cf04f35000 # [ 84.406390] FS: 00007fb3f6702580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 84.421708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.434369] CR2: 00007fb3f650b000 CR3: 0000000103e04000 CR4: 00000000003506e0 # [ 84.448642] Call Trace: # [ 84.457695] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 84.470275] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 84.482522] direct_entry.cold+0x2c/0x38 # [ 84.493355] full_proxy_write+0x56/0x80 # [ 84.503945] vfs_write+0xea/0x3a0 # [ 84.513846] ksys_write+0x68/0xf0 # [ 84.523745] do_syscall_64+0x33/0x40 # [ 84.533938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 84.545712] RIP: 0033:0x7fb3f66188f3 # [ 84.556069] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.583215] RSP: 002b:00007fffb7eccca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.598094] RAX: ffffffffffffffda RBX: 00000000[ 86.609335] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 86.622004] lkdtm: attempting bad refcount_dec_and_test() below zero [ 86.629154] ------------[ cut here ]------------ 0000001f RCX: 00007fb3f66188f3 # [ 84.612230] RDX: 0000000000[ 86.634357] refcount_t: underflow; use-after-free. [ 86.646014] WARNING: CPU: 2 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00001f RSI: 00007fb3f650b000 RDI: 0000000000000001 # [ 84.626[ 86.655496] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.677711] CPU: 2 PID: 2254 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 86.686464] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.693157] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 86.699041] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 a0 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 [ 86.720113] RSP: 0018:ffffadee02a17e40 EFLAGS: 00010286 [ 86.725991] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 86.734011] RDX: ffff90cf7bd2c660 RSI: ffff90cf7bd1bf70 RDI: ffff90cf7bd1bf70 [ 86.742028] RBP: ffffffffa0d82488 R08: 0000000000000000 R09: 0000000000000000 [ 86.750044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 86.758064] R13: ffffadee02a17f10 R14: ffffadee02a17f10 R15: ffff90cf0404e000 [ 86.766072] FS: 00007f069642d580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 86.775140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.781593] CR2: 00007f0696236000 CR3: 0000000104dae000 CR4: 00000000003506e0 [ 86.789601] Call Trace: [ 86.792369] __refcount_sub_and_test.constprop.0+0x3c/0x50 543] RBP: 00007fb3f650b000 R08: 00007fb3f650a010 R09: 0000000000[ 86.798528] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 86.811009] direct_entry.cold+0x2c/0x38 [ 86.815431] full_proxy_write+0x56/0x80 [ 86.819757] vfs_write+0xea/0x3a0 [ 86.823489] ksys_write+0x68/0xf0 [ 86.827231] do_syscall_64+0x33/0x40 [ 86.831265] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 86.836954] RIP: 0033:0x7f06963438f3 [ 86.840987] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 86.862062] RSP: 002b:00007ffeb943ab18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.870568] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f06963438f3 [ 86.878586] RDX: 000000000000001f RSI: 00007f0696236000 RDI: 0000000000000001 [ 86.886603] RBP: 00007f0696236000 R08: 00007f0696235010 R09: 0000000000000000 [ 86.894618] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 86.902625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000 # [ 84.640754] R10: fffffffffffffbc5 R11: 000000000000[ 86.910642] irq event stamp: 0 0246 R12: 0000000000000001 # [ 84.654994] R13: 00000000000000[ 86.920298] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.933559] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 86.942753] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 86.951944] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.958985] ---[ end trace 84c2823588420cec ]--- [ 86.964170] lkdtm: Negative detected: saturated 01 R14: 0000000000020000 R15: 0000000000020000 # [ 84.669393] irq event stamp: 0 # [ 84.678823] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.692142] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 84.707492] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 84.722950] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.736164] ---[ end trace 84c2823588420ce9 ]--- # [ 84.747604] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 85.057559] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 85.064193] lkdtm: attempting good refcount_dec() # [ 85.075722] lkdtm: attempting bad refcount_dec() to zero # [ 85.087972] ------------[ cut here ]------------ # [ 85.099554] refcount_t: decrement hit 0; leaking memory. # [ 85.111603] WARNING: CPU: 3 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 85.127441] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.149643] CPU: 3 PID: 2184 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 85.164561] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.177343] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 85.189498] Code: d0 e2 d1 a0 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 d1 a0 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 85.216760] RSP: 0018:ffffadee02917e48 EFLAGS: 00010286 # [ 85.228848] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 85.243114] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 85.257333] RBP: ffffffffa0d82821 R08: 0000000000000000 R09: 0000000000000000 # [ 85.271606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 85.285827] R13: ffffadee02917f10 R14: ffffadee02917f10 R15: ffff90cf03d6f000 # [ 85.300119] FS: 00007f1fba432580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 85.315462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.328103] CR2: 00007f1fba23b000 CR3: 000000010614e000 CR4: 00000000003506e0 # [ 85.342359] Call Trace: # [ 85.351321] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 85.362572] direct_entry.cold+0x2c/0x38 # [ 85.373196] full_proxy_write+0x56/0x80 # [ 85.383768] vfs_write+0xea/0x3a0 # [ 85.393755] ksys_write+0x68/0xf0 # [ 85.403722] do_syscall_64+0x33/0x40 # [ 85.413920] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 85.425660] RIP: 0033:0x7f1fba3488f3 # [ 85.435878] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.463247] RSP: 002b:00007ffe2dc75f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.477930] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1fba3488f3 # [ 85.492190] RDX: 0000000000000012 R[ 87.281724] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE SI: 00007f1fba23b000 RDI: 0000000000000001 # [ 85.506335] RBP[ 87.294633] lkdtm: attempting bad refcount_sub_and_test() below zero : 00007f1fba23b000 R08: 00007f1fba23a010 R09: 0000000000000000 [ 87.307994] ------------[ cut here ]------------ # [ 85.520601] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 87.319473] refcount_t: underflow; use-after-free. : 0000000000000001 # [ 85.534797] R13: 0000000000000001 R14: [ 87.331307] WARNING: CPU: 3 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0000000000020000 R15: 0000000000020000 # [ 85.549042] irq eve[ 87.346708] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify nt stamp: 0 # [ 85.558726] hardirqs last enabled at (0): [<0[ 87.369082] CPU: 3 PID: 2289 Comm: cat Tainted: G D W 5.10.150-cip18 #1 000000000000000>] 0x0 # [ 85.571950] hardirqs last disabled a[ 87.383948] Hardware name: Google Coral/Coral, BIOS 09/29/2020 t (0): [] copy_process+0x640/0x1c80 # [ 85.[ 87.396703] RIP: 0010:refcount_warn_saturate+0xba/0x110 587330] softirqs last enabled at (0): [] copy[ 87.408855] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 a0 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 _process+0x640/0x1c80 # [ 85.602709] softirqs last disabled a[ 87.435973] RSP: 0018:ffffadee02aa7e40 EFLAGS: 00010286 t (0): [<0000000000000000>] 0x0 # [ 85.615980] ---[ end trace[ 87.448138] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 84c2823588420cea ]--- # [ 85.627362] lkdtm: Zero detected: s[ 87.462274] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 aturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 self[ 87.476518] RBP: ffffffffa0d824a8 R08: 0000000000000000 R09: 0000000000000000 tests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT[ 87.490697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f _DEC_NEGATIVE.sh # [ 85.965286] lkdtm: Performing direct entr[ 87.504949] R13: ffffadee02aa7f10 R14: ffffadee02aa7f10 R15: ffff90cf05409000 y REFCOUNT_DEC_NEGATIVE # [ 85.975212] lkdtm: attempting bad [ 87.519135] FS: 00007f409dd51580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 refcount_dec() below zero # [ 85.981512] ------------[ cut he[ 87.534468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 re ]------------ # [ 85.992941] refcount_t: decrement hit 0; [ 87.547085] CR2: 00007f409db5a000 CR3: 0000000104cf0000 CR4: 00000000003506e0 leaking memory. # [ 85.998965] WARNING: CPU: 1 PID: 2219 at l[ 87.561327] Call Trace: ib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 86.008[ 87.570299] __refcount_sub_and_test.constprop.0+0x3c/0x50 460] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_deb[ 87.582703] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b ugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_[ 87.595136] direct_entry.cold+0x2c/0x38 ec_dev cros_usbpd_notify # [ 86.024510] CPU: 1 PID: 2219 Comm[ 87.605850] full_proxy_write+0x56/0x80 : cat Tainted: G D W 5.10.150-cip18 #1 # [ 86.03[ 87.616285] vfs_write+0xea/0x3a0 3214] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 87.626210] ksys_write+0x68/0xf0 86.039874] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 8[ 87.636233] do_syscall_64+0x33/0x40 6.045762] Code: d0 e2 d1 a0 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 [ 87.646419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 d1 a0 c6 05 3c 2e 94 01 01 e[ 87.658270] RIP: 0033:0x7f409dc678f3 8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 [ 87.668554] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00 00 0f 1f 00 8b # [ 86.066829] RSP: 0018:ffffadee0299fe48 E[ 87.695770] RSP: 002b:00007ffca49b7098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 FLAGS: 00010286 # [ 86.072711] RAX: 0000000000000000 RBX: 000[ 87.710459] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f409dc678f3 0000000000030 RCX: 0000000000000000 # [ 86.080733] RDX: ffff9[ 87.724688] RDX: 000000000000001f RSI: 00007f409db5a000 RDI: 0000000000000001 0cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 # [ 8[ 87.738964] RBP: 00007f409db5a000 R08: 00007f409db59010 R09: 0000000000000000 6.088746] RBP: ffffffffa0d82833 R08: 0000000000000000 R09: 00000[ 87.753179] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000000 # [ 86.096763] R10: 00000000ffffe000 R11: 3ffffff[ 87.767408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffff R12: 0000000000000016 # [ 86.104774] R13: ffffadee0[ 87.781639] irq event stamp: 0 299ff10 R14: ffffadee0299ff10 R15: ffff90cf04f09000 # [ 86.11[ 87.791296] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2794] FS: 00007f970d9e2580(0000) GS:ffff90cf7bc80000(0000) knlG[ 87.804690] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 S:0000000000000000 # [ 86.121878] CS: 0010 DS: 0000 ES: 0000[ 87.819971] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 CR0: 0000000080050033 # [ 86.128323] CR2: 00007f970d7eb000 C[ 87.835398] softirqs last disabled at (0): [<0000000000000000>] 0x0 R3: 0000000104f68000 CR4: 00000000003506e0 # [ 86.136325] Cal[ 87.848642] ---[ end trace 84c2823588420ced ]--- l Trace: # [ 86.139089] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x6[ 87.860050] lkdtm: Negative detected: saturated 1 # [ 86.144481] direct_entry.cold+0x2c/0x38 # [ 86.148901] full_proxy_write+0x56/0x80 # [ 86.153225] vfs_write+0xea/0x3a0 # [ 86.156966] ksys_write+0x68/0xf0 # [ 86.160705] do_syscall_64+0x33/0x40 # [ 86.164739] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 86.170429] RIP: 0033:0x7f970d8f88f3 # [ 86.174461] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 86.195534] RSP: 002b:00007ffe1ad7be68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.210268] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f970d8f88f3 # [ 86.218284] RDX: 0000000000000016 RSI: 00007f970d7eb000 RDI: 0000000000000001 # [ 86.226302] RBP: 00007f970d7eb000 R08: 00007f970d7ea010 R09: 0000000000000000 # [ 86.234321] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 86.242339] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.256587] irq event stamp: 0 # [ 86.260038] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.273299] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 86.282493] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 86.291668] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.298709] ---[ end trace 84c2823588420ceb ]--- # [ 86.303940] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 86.609335] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 86.622004] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 86.629154] ------------[ cut here ]------------ # [ 86.634357] refcount_t: underflow; use-after-free. # [ 86.646014] WARNING: CPU: 2 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 86.655496] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.677711] CPU: 2 PID: 2254 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 86.686464] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.693157] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 86.699041] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 a0 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 86.720113] RSP: 0018:ffffadee02a17e40 EFLAGS: 00010286 # [ 86.725991] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 86.734011] RDX: ffff90cf7bd2c660 RSI: ffff90cf7bd1bf70 RDI: ffff90cf7bd1bf70 # [ 86.742028] RBP: ffffffffa0d82488 R08: 0000000000000000 R09: 0000000000000000 # [ 86.750044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.758064] R13: ffffadee02a17f10 R14: ffffadee02a17f10 R15: ffff90cf0404e000 # [ 86.766072] FS: 00007f069642d580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 86.775140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.781593] CR2: 00007f0696236000 CR3: 0000000104dae000 CR4: 00000000003506e0 # [ 86.789601] Call Trace: # [ 86.792369] _[ 88.207073] lkdtm: Performing direct entry REFCOUNT_INC_ZERO _refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 86.798528] [ 88.213973] lkdtm: attempting safe refcount_inc_not_zero() from zero lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 86.811009][ 88.227295] lkdtm: Good: zero detected direct_entry.cold+0x2c/0x38 # [ 86.815431] full_proxy_writ[ 88.237747] lkdtm: Correctly stayed at zero e+0x56/0x80 # [ 86.819757] vfs_write+0xea/0x3a0 # [ 86.82[ 88.248718] lkdtm: attempting bad refcount_inc() from zero 3489] ksys_write+0x68/0xf0 # [ 86.827231] do_syscall_64+0x3[ 88.261059] ------------[ cut here ]------------ 3/0x40 # [ 86.831265] entry_SYSCALL_64_after_hwframe+0x61/0x[ 88.272445] refcount_t: addition on 0; use-after-free. c6 # [ 86.836954] RIP: 0033:0x7f06963438f3 # [ 86.840987] [ 88.284486] WARNING: CPU: 3 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b[ 88.300133] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f[ 88.322354] CPU: 3 PID: 2321 Comm: cat Tainted: G D W 5.10.150-cip18 #1 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5[ 88.337242] Hardware name: Google Coral/Coral, BIOS 09/29/2020 4 24 18 # [ 86.862062] RSP: 002b:00007ffeb943ab18 EFLAGS: 000[ 88.350113] RIP: 0010:refcount_warn_saturate+0x74/0x110 00246 ORIG_RAX: 0000000000000001 # [ 86.870568] RAX: ffffffff[ 88.362222] Code: 01 01 e8 fa 7d 95 00 0f 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 d1 a0 c6 05 c5 2e 94 01 01 e8 d7 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 ffffffda RBX: 000000000000001f RCX: 00007f06963438f3 # [ 86.8[ 88.389455] RSP: 0018:ffffadee02aefe48 EFLAGS: 00010286 78586] RDX: 000000000000001f RSI: 00007f0696236000 RDI: 00000000[ 88.401498] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 00000001 # [ 86.886603] RBP: 00007f0696236000 R08: 00007f0696[ 88.415726] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 235010 R09: 0000000000000000 # [ 86.894618] R10: ffffffffffff[ 88.429932] RBP: ffffffffa0d82849 R08: 0000000000000000 R09: 0000000000000000 fbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 86.90262[ 88.444147] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 5] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002[ 88.458386] R13: ffffadee02aeff10 R14: ffffadee02aeff10 R15: ffff90cf03e38000 0000 # [ 86.910642] irq event stamp: 0 # [ 86.920298] hard[ 88.472580] FS: 00007fa3f92d4580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 irqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.93[ 88.487877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3559] hardirqs last disabled at (0): [] copy_p[ 88.500575] CR2: 00007fa3f90dd000 CR3: 0000000102a28000 CR4: 00000000003506e0 rocess+0x640/0x1c80 # [ 86.942753] softirqs last enabled at [ 88.515055] Call Trace: (0): [] copy_process+0x640/0x1c80 # [ 86.95[ 88.523770] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 1944] softirqs last disabled at (0): [<0000000000000000>] 0x0 #[ 88.535133] direct_entry.cold+0x2c/0x38 [ 86.958985] ---[ end trace 84c2823588420cec ]--- # [ 86.9[ 88.545745] full_proxy_write+0x56/0x80 64170] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_T[ 88.556220] vfs_write+0xea/0x3a0 EST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 self[ 88.566137] ksys_write+0x68/0xf0 tests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lk[ 88.576079] do_syscall_64+0x33/0x40 dtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 87.281724] lkdtm: [ 88.586245] entry_SYSCALL_64_after_hwframe+0x61/0xc6 Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 87[ 88.598187] RIP: 0033:0x7fa3f91ea8f3 .294633] lkdtm: attempting bad refcount_sub_and_test() below zer[ 88.608360] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 o # [ 87.307994] ------------[ cut here ]------------ # [ [ 88.635665] RSP: 002b:00007ffffb978c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 87.319473] refcount_t: underflow; use-after-free. # [ 87.3313[ 88.650307] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa3f91ea8f3 07] WARNING: CPU: 3 PID: 2289 at lib/refcount.c:28 refcount_warn[ 88.664601] RDX: 0000000000000012 RSI: 00007fa3f90dd000 RDI: 0000000000000001 _saturate+0xba/0x110 # [ 87.346708] Modules linked in: fuse i[ 88.678769] RBP: 00007fa3f90dd000 R08: 00007fa3f90dc010 R09: 0000000000000000 p_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_[ 88.693102] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 88.707273] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 87.369082] CPU: 3 PID: 2289 Comm: cat Tainted: G D W [ 88.721554] irq event stamp: 0 5.10.150-cip18 #1 # [ 87.383948] Hardware name: Google Co[ 88.731152] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ral/Coral, BIOS 09/29/2020 # [ 87.396703] RIP: 0010:refcount[ 88.744591] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 _warn_saturate+0xba/0x110 # [ 87.408855] Code: 01 01 e8 b4 7d[ 88.759887] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 [ 88.775322] softirqs last disabled at (0): [<0000000000000000>] 0x0 78 e2 d1 a0 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc[ 88.788575] ---[ end trace 84c2823588420cee ]--- cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 87.43[ 88.800009] lkdtm: Zero detected: saturated 5973] RSP: 0018:ffffadee02aa7e40 EFLAGS: 00010286 # [ 87.448138] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 87.462274] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 87.476518] RBP: ffffffffa0d824a8 R08: 0000000000000000 R09: 0000000000000000 # [ 87.490697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 87.504949] R13: ffffadee02aa7f10 R14: ffffadee02aa7f10 R15: ffff90cf05409000 # [ 87.519135] FS: 00007f409dd51580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 87.534468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.547085] CR2: 00007f409db5a000 CR3: 0000000104cf0000 CR4: 00000000003506e0 # [ 87.561327] Call Trace: # [ 87.570299] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 87.582703] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 87.595136] direct_entry.cold+0x2c/0x38 # [ 87.605850] full_proxy_write+0x56/0x80 # [ 87.616285] vfs_write+0xea/0x3a0 # [ 87.626210] ksys_write+0x68/0xf0 # [ 87.636233] do_syscall_64+0x33/0x40 # [ 87.646419] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.658270] RIP: 0033:0x7f409dc678f3 # [ 87.668554] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.695770] RSP: 002b:00007ffca49b7098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.710459] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f409dc678f3 # [ 87.724688] RDX: 000000000000001f RSI: 00007f409db5a000 RDI: 0000000000000001 # [ 87.738964] RBP: 00007f409db5a000 R08: 00007f409db59010 R09: 0000000000000000 # [ 87.753179] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 87.767408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.781639] irq event stamp: 0 # [ 87.791296] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.804690] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 87.819971] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 87.835398] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.848642] ---[ end trace 84c2823588420ced ]--- # [ 87.860050] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 88.207073] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 88.213973] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 88.227295] lkdtm: Good: zero detected # [ 88.237747] lkdtm: Correctly stayed at zero # [ 88.248718] lkdtm: attempting bad refcount_inc() from zero # [ 88.261059] ------------[ cut here ]------------ # [ 88.272445] refcount_t: addition on 0; use-after-free. # [ 88.284486] WARNING: CPU: 3 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 88.300133] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.322354] CPU: 3 PID: 2321 Comm: cat Tainted: G [ 89.130243] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 89.141051] lkdtm: attempting safe refcount_add_not_zero() from zero [ 89.148197] lkdtm: Good: zero detected D W 5.10.150-cip18 #1 # [ 88.337242] Hardware name: [ 89.152426] lkdtm: Correctly stayed at zero [ 89.163320] lkdtm: attempting bad refcount_add() from zero Google Coral/Coral, BIOS 09/29/2020 # [ 88.350113] RIP: 0010[ 89.169473] ------------[ cut here ]------------ [ 89.180874] refcount_t: addition on 0; use-after-free. [ 89.186703] WARNING: CPU: 1 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 89.196171] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.212187] CPU: 1 PID: 2353 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 89.220872] Hardware name: Google Coral/Coral, BIOS 09/29/2020 :refcount_warn_saturate+0x74/0x110 # [ 88.362222] Code: 01 01[ 89.227561] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 89.239655] Code: 01 01 e8 fa 7d 95 00 0f 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 d1 a0 c6 05 c5 2e 94 01 01 e8 d7 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 [ 89.260705] RSP: 0018:ffffadee02b87e48 EFLAGS: 00010286 [ 89.266578] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 89.274574] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 [ 89.282576] RBP: ffffffffa0d8285b R08: 0000000000000000 R09: 0000000000000000 [ 89.290588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 89.298594] R13: ffffadee02b87f10 R14: ffffadee02b87f10 R15: ffff90cf04e16000 [ 89.306611] FS: 00007fcf4f92b580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 89.315691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.322148] CR2: 00007fcf4f734000 CR3: 0000000104f58000 CR4: 00000000003506e0 [ 89.330150] Call Trace: [ 89.332919] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 89.337920] direct_entry.cold+0x2c/0x38 [ 89.342337] full_proxy_write+0x56/0x80 [ 89.346659] vfs_write+0xea/0x3a0 [ 89.350401] ksys_write+0x68/0xf0 [ 89.354138] do_syscall_64+0x33/0x40 [ 89.358159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 89.363836] RIP: 0033:0x7fcf4f8418f3 [ 89.367859] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 89.388911] RSP: 002b:00007ffdd66ade98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.397423] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fcf4f8418f3 [ 89.405437] RDX: 0000000000000012 RSI: 00007fcf4f734000 RDI: 0000000000000001 [ 89.413457] RBP: 00007fcf4f734000 R08: 00007fcf4f733010 R09: 0000000000000000 [ 89.421475] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 89.429493] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 89.437522] irq event stamp: 0 e8 fa 7d 95 00 0f 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb [ 89.440959] hardirqs last enabled at (0): [<0000000000000000>] 0x0 48 c7 c7 48 e2 d1 a0 c6 05 c5 2e 94 01 01 e8 d7 7d 95 00 <0f> 0b[ 89.454227] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 89.469621] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 89.478803] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.485832] ---[ end trace 84c2823588420cef ]--- [ 89.491024] lkdtm: Zero detected: saturated c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 # [ 88.389455] RSP: 0018:ffffadee02aefe48 EFLAGS: 00010286 # [ 88.401498] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 88.415726] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 88.429932] RBP: ffffffffa0d82849 R08: 0000000000000000 R09: 0000000000000000 # [ 88.444147] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 88.458386] R13: ffffadee02aeff10 R14: ffffadee02aeff10 R15: ffff90cf03e38000 # [ 88.472580] FS: 00007fa3f92d4580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 88.487877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.500575] CR2: 00007fa3f90dd000 CR3: 0000000102a28000 CR4: 00000000003506e0 # [ 88.515055] Call Trace: # [ 88.523770] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 88.535133] direct_entry.cold+0x2c/0x38 # [ 88.545745] full_proxy_write+0x56/0x80 # [ 88.556220] vfs_write+0xea/0x3a0 # [ 88.566137] ksys_write+0x68/0xf0 # [ 88.576079] do_syscall_64+0x33/0x40 # [ 88.586245] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 88.598187] RIP: 0033:0x7fa3f91ea8f3 # [ 88.608360] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.635665] RSP: 002b:00007ffffb978c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.650307] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa3f91ea8f3 # [ 88.664601] RDX: 0000000000000012 RSI: 00007fa3f90dd000 RDI: 0000000000000001 # [ 88.678769] RBP: 00007fa3f90dd000 R08: 00007fa3f90dc010 R09: 0000000000000000 # [ 88.693102] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 88.707273] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.721554] irq event stamp: 0 # [ 88.731152] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.744591] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.759887] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 88.775322] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.788575] ---[ end trace 84c2823588420cee ]--- # [ 88.800009] 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 # [ 89.130243] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 89.141051] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 89.148197] lkdtm: Good: zero detected # [ 89.152426] lkdtm: Correctly stayed at zero # [ 89.163320] lkdtm: attempting bad refcount_add() from zero # [ 89.169473] ------------[ cut here ]------------ # [ 89.180874] refcount_t: addition on 0; use-after-free. # [ 89.186703] WARNING: CPU: 1 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 89.196171] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.212187] CPU: 1 PID: 2353 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 89.220872] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.22756[ 89.820385] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 89.832970] lkdtm: attempting bad refcount_inc() from saturated [ 89.839659] ------------[ cut here ]------------ 1] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 89.239655][ 89.844847] refcount_t: saturated; leaking memory. Code: 01 01 e8 fa 7d 95 00 0f 0b c3 cc cc cc cc 80 3d d5 2e 94 [ 89.856505] WARNING: CPU: 1 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 89.872197] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.888258] CPU: 1 PID: 2388 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 89.897011] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.903698] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 89.909583] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 d1 a0 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 d1 [ 89.930618] RSP: 0018:ffffadee02b2fe48 EFLAGS: 00010286 [ 89.936493] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 89.944508] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 [ 89.952513] RBP: ffffffffa0d8286d R08: 0000000000000000 R09: 0000000000000000 01 00 75 cb 48 c7 c7 48 e2 d1 a0 c6 05 c5 2e 94 01 01 e8 d7 7d 9[ 89.960533] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 89.974767] R13: ffffadee02b2ff10 R14: ffffadee02b2ff10 R15: ffff90cf04f58000 [ 89.982781] FS: 00007fe4f4403580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 89.991873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.998338] CR2: 00007fe4f420c000 CR3: 000000010579e000 CR4: 00000000003506e0 [ 90.006356] Call Trace: [ 90.009133] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 90.014634] direct_entry.cold+0x2c/0x38 [ 90.019063] full_proxy_write+0x56/0x80 [ 90.023392] vfs_write+0xea/0x3a0 [ 90.027131] ksys_write+0x68/0xf0 [ 90.030872] do_syscall_64+0x33/0x40 [ 90.034903] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 90.040588] RIP: 0033:0x7fe4f43198f3 [ 90.044618] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 90.065686] RSP: 002b:00007ffc48e73358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.074201] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe4f43198f3 [ 90.082229] RDX: 0000000000000017 RSI: 00007fe4f420c000 RDI: 0000000000000001 [ 90.090235] RBP: 00007fe4f420c000 R08: 00007fe4f420b010 R09: 0000000000000000 [ 90.098255] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 90.106264] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5 00 <0f> 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 [ 90.114287] irq event stamp: 0 [ 90.123939] hardirqs last enabled at (0): [<0000000000000000>] 0x0 20 e2 d1 # [ 89.260705] RSP: 0018:ffffadee02b87e48 EFLAGS: 00[ 90.130980] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 90.146384] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 90.155575] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.162620] ---[ end trace 84c2823588420cf0 ]--- [ 90.167816] lkdtm: Saturation detected: still saturated 010286 # [ 89.266578] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 89.274574] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 # [ 89.282576] RBP: ffffffffa0d8285b R08: 0000000000000000 R09: 0000000000000000 # [ 89.290588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 89.298594] R13: ffffadee02b87f10 R14: ffffadee02b87f10 R15: ffff90cf04e16000 # [ 89.306611] FS: 00007fcf4f92b580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 89.315691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.322148] CR2: 00007fcf4f734000 CR3: 0000000104f58000 CR4: 00000000003506e0 # [ 89.330150] Call Trace: # [ 89.332919] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 89.337920] direct_entry.cold+0x2c/0x38 # [ 89.342337] full_proxy_write+0x56/0x80 # [ 89.346659] vfs_write+0xea/0x3a0 # [ 89.350401] ksys_write+0x68/0xf0 # [ 89.354138] do_syscall_64+0x33/0x40 # [ 89.358159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 89.363836] RIP: 0033:0x7fcf4f8418f3 # [ 89.367859] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 89.388911] RSP: 002b:00007ffdd66ade98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.397423] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fcf4f8418f3 # [ 89.405437] RDX: 0000000000000012 RSI: 00007fcf4f734000 RDI: 0000000000000001 # [ 89.413457] RBP: 00007fcf4f734000 R08: 00007fcf4f733010 R09: 0000000000000000 # [ 89.421475] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 89.429493] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.437522] irq event stamp: 0 # [ 89.440959] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.454227] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 89.469621] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 89.478803] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.485832] ---[ end trace 84c2823588420cef ]--- # [ 89.491024] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 89.820385] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 89.832970] lkdtm: attempting bad refcount_inc() from saturated # [ 89.839659] ------------[ cut here ]------------ # [ 89.844847] refcount_t: saturated; leaking memory. # [ 89.856505] WARNING: CPU: 1 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 89.872197] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.888258] CPU: 1 PID: 2388 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 89.897011] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.903698] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 89.909583] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 d1 a0 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc [ 90.496859] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 d1 # [ 89.[ 90.504628] lkdtm: attempting bad refcount_dec() from saturated 930618] RSP: 0018:ffffadee02b2fe48 EFLAGS: 00010286 # [ 89.93[ 90.517533] ------------[ cut here ]------------ 6493] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 000000000[ 90.528974] refcount_t: decrement hit 0; leaking memory. 0000000 # [ 89.944508] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc[ 90.541240] WARNING: CPU: 3 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 9bf70 RDI: ffff90cf7bc9bf70 # [ 89.952513] RBP: ffffffffa0d82[ 90.556868] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 86d R08: 0000000000000000 R09: 0000000000000000 # [ 89.960533[ 90.579056] CPU: 3 PID: 2423 Comm: cat Tainted: G D W 5.10.150-cip18 #1 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 90.593937] Hardware name: Google Coral/Coral, BIOS 09/29/2020 017 # [ 89.974767] R13: ffffadee02b2ff10 R14: ffffadee02b2ff1[ 90.606790] RIP: 0010:refcount_warn_saturate+0xfb/0x110 0 R15: ffff90cf04f58000 # [ 89.982781] FS: 00007fe4f4403580([ 90.618874] Code: d0 e2 d1 a0 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 d1 a0 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 89[ 90.646145] RSP: 0018:ffffadee02c7fe48 EFLAGS: 00010286 .991873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 90.658203] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 89.998338] CR2: 00007fe4f420c000 CR3: 000000010579e000 CR4: 00[ 90.672461] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 000000003506e0 # [ 90.006356] Call Trace: # [ 90.009133] [ 90.686688] RBP: ffffffffa0d82884 R08: 0000000000000000 R09: 0000000000000000 lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 90.014634] direct[ 90.700926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 _entry.cold+0x2c/0x38 # [ 90.019063] full_proxy_write+0x56/0[ 90.715180] R13: ffffadee02c7ff10 R14: ffffadee02c7ff10 R15: ffff90cf05673000 x80 # [ 90.023392] vfs_write+0xea/0x3a0 # [ 90.027131] k[ 90.729403] FS: 00007f4b47359580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 sys_write+0x68/0xf0 # [ 90.030872] do_syscall_64+0x33/0x40 [ 90.744733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.034903] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 90.757403] CR2: 00007f4b47162000 CR3: 0000000103d0a000 CR4: 00000000003506e0 90.040588] RIP: 0033:0x7fe4f43198f3 # [ 90.044618] Code: 8b[ 90.771653] Call Trace: 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 90.780718] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 90.792673] direct_entry.cold+0x2c/0x38 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 90.803099] full_proxy_write+0x56/0x80 # [ 90.065686] RSP: 002b:00007ffc48e73358 EFLAGS: 00000246 OR[ 90.813793] vfs_write+0xea/0x3a0 IG_RAX: 0000000000000001 # [ 90.074201] RAX: ffffffffffffffda[ 90.823700] ksys_write+0x68/0xf0 RBX: 0000000000000017 RCX: 00007fe4f43198f3 # [ 90.082229] R[ 90.833689] do_syscall_64+0x33/0x40 DX: 0000000000000017 RSI: 00007fe4f420c000 RDI: 0000000000000001[ 90.843934] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.090235] RBP: 00007fe4f420c000 R08: 00007fe4f420b010 R[ 90.855656] RIP: 0033:0x7f4b4726f8f3 09: 0000000000000000 # [ 90.098255] R10: fffffffffffffbc5 R11[ 90.866070] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 0000000000000246 R12: 0000000000000001 # [ 90.106264] R13: [ 90.893242] RSP: 002b:00007fff7bcb76c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.907999] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4b4726f8f3 [ 90.114287] irq event stamp: 0 # [ 90.123939] hardirqs las[ 90.922241] RDX: 0000000000000017 RSI: 00007f4b47162000 RDI: 0000000000000001 t enabled at (0): [<0000000000000000>] 0x0 # [ 90.130980] ha[ 90.936437] RBP: 00007f4b47162000 R08: 00007f4b47161010 R09: 0000000000000000 rdirqs last disabled at (0): [] copy_process+0[ 90.950696] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 x640/0x1c80 # [ 90.146384] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 90.155575] so[ 90.979342] irq event stamp: 0 ftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.[ 90.988740] hardirqs last enabled at (0): [<0000000000000000>] 0x0 162620] ---[ end trace 84c2823588420cf0 ]--- # [ 90.167816] l[ 91.002165] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 kdtm: Saturation detected: still saturated # REFCOUNT_INC_SATUR[ 91.017485] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ATED: saw 'Saturation detected: still saturated': ok ok 52 self[ 91.032889] softirqs last disabled at (0): [<0000000000000000>] 0x0 tests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REF[ 91.046122] ---[ end trace 84c2823588420cf1 ]--- COUNT_DEC_SATURATED.sh [ 91.057576] lkdtm: Saturation detected: still saturated # [ 90.496859] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 90.504628] lkdtm: attempting bad refcount_dec() from saturated # [ 90.517533] ------------[ cut here ]------------ # [ 90.528974] refcount_t: decrement hit 0; leaking memory. # [ 90.541240] WARNING: CPU: 3 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 90.556868] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.579056] CPU: 3 PID: 2423 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 90.593937] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.606790] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 90.618874] Code: d0 e2 d1 a0 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 d1 a0 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 90.646145] RSP: 0018:ffffadee02c7fe48 EFLAGS: 00010286 # [ 90.658203] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 90.672461] RDX: ffff90cf7bdac660 RSI: ffff90cf7bd9bf70 RDI: ffff90cf7bd9bf70 # [ 90.686688] RBP: ffffffffa0d82884 R08: 0000000000000000 R09: 0000000000000000 # [ 90.700926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 90.715180] R13: ffffadee02c7ff10 R14: ffffadee02c7ff10 R15: ffff90cf05673000 # [ 90.729403] FS: 00007f4b47359580(0000) GS:ffff90cf7bd80000(0000) knlGS:0000000000000000 # [ 90.744733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.757403] CR2: 00007f4b47162000 CR3: 0000000103d0a000 CR4: 00000000003506e0 # [ 90.771653] Call Trace: # [ 90.780718] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 90.792673] direct_entry.cold+0x2c/0x38 # [ 90.803099] full_proxy_write+0x56/0x80 # [ 90.813793] vfs_write+0xea/0x3a0 # [ 90.823700] ksys_write+0x68/0xf0 # [ 90.833689] do_syscall_64+0x33/0x40 # [ 90.843934] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.855656] RIP: 0033:0x7f4b4726f8f3 # [ 90.866070] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.893242] RSP: 002b:00007fff7bcb76c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.907999] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4b4726f8f3 # [ 90.922241] RDX: 0000000000000017 RSI: 00007f4b47162000 RDI: 0000000000000001 # [ 90.936437] RBP: 00007f4b47162000 R08: 00007f4b47161010 R09: 00000000[ 91.397065] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 91.407429] lkdtm: attempting bad refcount_dec() from saturated 00000000 # [ 90.950696] R10: fffffffffffffbc5 R11: 0000000000[ 91.414101] ------------[ cut here ]------------ 000246 R12: 0000000000000001 # [ 90.964933] R13: 000000000000[ 91.425498] refcount_t: saturated; leaking memory. [ 91.437173] WARNING: CPU: 2 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 91.446659] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.462718] CPU: 2 PID: 2458 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 91.471426] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.478091] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 91.483978] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 d1 a0 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 d1 [ 91.505050] RSP: 0018:ffffadee02d1fe48 EFLAGS: 00010286 [ 91.510934] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 91.518960] RDX: ffff90cf7bd2c660 RSI: ffff90cf7bd1bf70 RDI: ffff90cf7bd1bf70 [ 91.526990] RBP: ffffffffa0d8289b R08: 0000000000000000 R09: 0000000000000000 [ 91.535013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 91.543042] R13: ffffadee02d1ff10 R14: ffffadee02d1ff10 R15: ffff90cf04f5b000 [ 91.551067] FS: 00007f3f2449a580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 91.560161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.566626] CR2: 00007f3f242a3000 CR3: 0000000104254000 CR4: 00000000003506e0 [ 91.574650] Call Trace: [ 91.577435] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 91.582920] direct_entry.cold+0x2c/0x38 [ 91.587348] full_proxy_write+0x56/0x80 [ 91.591685] vfs_write+0xea/0x3a0 [ 91.595431] ksys_write+0x68/0xf0 [ 91.599174] do_syscall_64+0x33/0x40 [ 91.603210] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 91.608900] RIP: 0033:0x7f3f243b08f3 [ 91.612931] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 91.634003] RSP: 002b:00007fffdbc2de38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.642517] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3f243b08f3 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.97934[ 91.650540] RDX: 0000000000000017 RSI: 00007f3f242a3000 RDI: 0000000000000001 [ 91.664784] RBP: 00007f3f242a3000 R08: 00007f3f242a2010 R09: 0000000000000000 [ 91.672806] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 91.680831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 91.688863] irq event stamp: 0 2] irq event stamp: 0 # [ 90.988740] hardirqs last enabled a[ 91.692306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 t (0): [<0000000000000000>] 0x0 # [ 91.002165] hardirqs last [ 91.705581] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 91.720988] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 91.730189] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.737238] ---[ end trace 84c2823588420cf2 ]--- [ 91.742436] lkdtm: Saturation detected: still saturated disabled at (0): [] copy_process+0x640/0x1c80 # [ 91.017485] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 91.032889] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.046122] ---[ end trace 84c2823588420cf1 ]--- # [ 91.057576] 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 # [ 91.397065] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 91.407429] lkdtm: attempting bad refcount_dec() from saturated # [ 91.414101] ------------[ cut here ]------------ # [ 91.425498] refcount_t: saturated; leaking memory. # [ 91.437173] WARNING: CPU: 2 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 91.446659] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.462718] CPU: 2 PID: 2458 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 91.471426] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.478091] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 91.483978] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 d1 a0 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 d1 # [ 91.505050] RSP: 0018:ffffadee02d1fe48 EFLAGS: 00010286 # [ 91.510934] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 91.518960] RDX: ffff90cf7bd2c660 RSI: ffff90cf7bd1bf70 RDI: ffff90cf7bd1bf70 # [ 91.526990] RBP: ffffffffa0d8289b R08: 0000000000000000 R09: 0000000000000000 # [ 91.535013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 91.543042] R13: ffffadee02d1ff10 R14: ffffadee02d1ff10 R15: ffff90cf04f5b000 # [ 91.551067] FS: 00007f3f2449a580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 91.560161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.566626] CR2: 00007f3f242a3000 CR3: 0000000104254000 CR4: 00000000003506e0 # [ 91.574650] Call Trace: # [ 91.577435] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 91.582920] direct_entry.cold+0x2c/0x38 # [ 91.587348] full_proxy_write+0x56/0x80 # [ 91.591685] vfs_write+0xea/0x3a0 # [ 91.595431] ksys_write+0x68/0xf0 # [ 91.599174] do_syscall_64+0x33/0x40 # [ 91.603210] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 91.608900] RIP: 0033:0x7f3f243b08f3 # [ 91.612931] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 91.634003] RSP: 002b:00007fffdbc2de38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.642517] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3f243b08f3 # [ 91.650540] RDX: 0000000000000017 RSI: 00007f3f[ 92.070300] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 92.080797] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 92.088349] ------------[ cut here ]------------ 242a3000 RDI: 0000000000000001 # [ 91.664784] RBP: 00007f3f24[ 92.093533] refcount_t: saturated; leaking memory. 2a3000 R08: 00007f3f242a2010 R09: 0000000000000000 # [ 91.672[ 92.105178] WARNING: CPU: 0 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 806] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000[ 92.120854] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.143062] CPU: 0 PID: 2490 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 92.151789] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.158471] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 92.164342] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 a0 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 [ 92.185380] RSP: 0018:ffffadee02d87e38 EFLAGS: 00010282 [ 92.191246] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 92.199256] RDX: ffff90cf7bc2c660 RSI: ffff90cf7bc1bf70 RDI: ffff90cf7bc1bf70 [ 92.207261] RBP: ffffffffa0d824c8 R08: 0000000000000000 R09: 0000000000000000 [ 92.215262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 92.223272] R13: ffffadee02d87f10 R14: ffffadee02d87f10 R15: ffff90cf04cbf000 [ 92.231270] FS: 00007f2f3d998580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 [ 92.240346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.246788] CR2: 00007f2f3d7a1000 CR3: 0000000104d9a000 CR4: 00000000003506f0 [ 92.254781] Call Trace: 000001 # [ 91.680831] R13: 0000000000000001 R14: 000000000002[ 92.257547] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 92.269916] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 92.276282] direct_entry.cold+0x2c/0x38 [ 92.280701] full_proxy_write+0x56/0x80 [ 92.285026] vfs_write+0xea/0x3a0 [ 92.288759] ksys_write+0x68/0xf0 0000 R15: 0000000000020000 # [ 91.688863] irq event stamp: 0[ 92.292495] do_syscall_64+0x33/0x40 [ 92.302737] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 92.308408] RIP: 0033:0x7f2f3d8ae8f3 [ 92.312431] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 92.333448] RSP: 002b:00007ffde39c3cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.341947] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2f3d8ae8f3 [ 92.349954] RDX: 0000000000000020 RSI: 00007f2f3d7a1000 RDI: 0000000000000001 [ 92.357954] RBP: 00007f2f3d7a1000 R08: 00007f2f3d7a0010 R09: 0000000000000000 [ 92.365952] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 92.373953] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.692306] hardirqs last enabled at (0): [<0000000000000[ 92.381966] irq event stamp: 0 000>] 0x0 # [ 91.705581] hardirqs last disabled at (0): [] 0x0 [ 92.404869] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 92.414040] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 92.423207] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.430238] ---[ end trace 84c2823588420cf3 ]--- [ 92.435412] lkdtm: Saturation detected: still saturated fffff9f500cf0>] copy_process+0x640/0x1c80 # [ 91.720988] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 91.730189] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.737238] ---[ end trace 84c2823588420cf2 ]--- # [ 91.742436] 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 # [ 92.070300] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 92.080797] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 92.088349] ------------[ cut here ]------------ # [ 92.093533] refcount_t: saturated; leaking memory. # [ 92.105178] WARNING: CPU: 0 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 92.120854] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.143062] CPU: 0 PID: 2490 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 92.151789] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.158471] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 92.164342] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 a0 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 # [ 92.185380] RSP: 0018:ffffadee02d87e38 EFLAGS: 00010282 # [ 92.191246] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 92.199256] RDX: ffff90cf7bc2c660 RSI: ffff90cf7bc1bf70 RDI: ffff90cf7bc1bf70 # [ 92.207261] RBP: ffffffffa0d824c8 R08: 0000000000000000 R09: 0000000000000000 # [ 92.215262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 92.223272] R13: ffffadee02d87f10 R14: ffffadee02d87f10 R15: ffff90cf04cbf000 # [ 92.231270] FS: 00007f2f3d998580(0000) GS:ffff90cf7bc00000(0000) knlGS:0000000000000000 # [ 92.240346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.246788] CR2: 00007f2f3d7a1000 CR3: 0000000104d9a000 CR4: 00000000003506f0 # [ 92.254781] Call Trace: # [ 92.257547] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 92.269916] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 92.276282] direct_entry.cold+0x2c/0x38 # [ 92.280701] full_proxy_write+0x56/0x80 # [ 92.285026] vfs_write+0xea/0x3a0 # [ 92.288759] ksys_write+0x68/0xf0 # [ 92.292495] do_syscall_64+0x33/0x40 # [ 92.302737] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 92.308408] RIP: 0033:0x7f2f3d8ae8f3 # [ 92.312431] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 92.333448] RSP: 002b:00007ffde39c3cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.341947] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2f3d8ae8f3 # [ 92.349954] RDX: 0000000000000020 RSI: 00007f2f3d7a1000 RDI: 0000000000000001 # [ 92.357954] RBP: 00007f2f3d7a1000 R08: 00007f2f3d7a0010 R09: 0000000000000000 # [ 92.365952] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 9[ 92.793525] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 92.806238] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 92.813795] ------------[ cut here ]------------ [ 92.818989] refcount_t: saturated; leaking memory. 2.373953] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 92.824423] WARNING: CPU: 1 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 92.840159] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.856205] CPU: 1 PID: 2522 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 92.864914] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.871579] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 92.877461] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 a0 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 [ 92.898536] RSP: 0018:ffffadee02e17e38 EFLAGS: 00010282 [ 92.904424] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 92.912434] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 [ 92.920450] RBP: ffffffffa0d824e8 R08: 0000000000000000 R09: 0000000000000000 [ 92.928461] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 92.936484] R13: ffffadee02e17f10 R14: ffffadee02e17f10 R15: ffff90cf03edf000 [ 92.944502] FS: 00007f21e598a580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 92.953593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.960054] CR2: 00007f21e5793000 CR3: 0000000104dbc000 CR4: 00000000003506e0 [ 92.968070] Call Trace: [ 92.970844] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 92.977026] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 92.983395] direct_entry.cold+0x2c/0x38 [ 92.987824] full_proxy_write+0x56/0x80 [ 92.992137] vfs_write+0xea/0x3a0 [ 92.995879] ksys_write+0x68/0xf0 [ 92.999624] do_syscall_64+0x33/0x40 [ 93.003661] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.009341] RIP: 0033:0x7f21e58a08f3 [ 93.013364] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 93.034408] RSP: 002b:00007ffd33960d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.042916] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f21e58a08f3 [ 93.050937] RDX: 0000000000000020 RSI: 00007f21e5793000 RDI: 0000000000000001 [ 93.058960] RBP: 00007f21e5793000 R08: 00007f21e5792010 R09: 0000000000000000 [ 93.066987] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000020000 # [ 92.381966] irq event stamp: 0 # [ 92.39161[ 93.075021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 93.089276] irq event stamp: 0 4] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 93.092725] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 93.105990] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 93.115192] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 93.124387] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.131436] ---[ end trace 84c2823588420cf4 ]--- [ 93.136632] lkdtm: Saturation detected: still saturated 92.404869] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 92.414040] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 92.423207] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.430238] ---[ end trace 84c2823588420cf3 ]--- # [ 92.435412] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 92.793525] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 92.806238] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 92.813795] ------------[ cut here ]------------ # [ 92.818989] refcount_t: saturated; leaking memory. # [ 92.824423] WARNING: CPU: 1 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 92.840159] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.856205] CPU: 1 PID: 2522 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 92.864914] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 92.871579] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 92.877461] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 d1 a0 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 # [ 92.898536] RSP: 0018:ffffadee02e17e38 EFLAGS: 00010282 # [ 92.904424] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 92.912434] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 # [ 92.920450] RBP: ffffffffa0d824e8 R08: 0000000000000000 R09: 0000000000000000 # [ 92.928461] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 92.936484] R13: ffffadee02e17f10 R14: ffffadee02e17f10 R15: ffff90cf03edf000 # [ 92.944502] FS: 00007f21e598a580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 92.953593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.960054] CR2: 00007f21e5793000 CR3: 0000000104dbc000 CR4: 00000000003506e0 # [ 92.968070] Call Trace: # [ 92.970844] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 92.977026] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 92.983395] direct_entry.cold+0x2c/0x38 # [ 92.987824] full_proxy_write+0x56/0x80 # [ 92.992137] vfs_write+0xea/0x3a0 # [ 92.995879] ksys_write+0x68/0xf0 # [ 92.999624] do_syscall_64+0x33/0x40 # [ 93.003661] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.009341] RIP: 0033:0x7f21e58a08f3 # [ 93.013364] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.034408] RSP: 002b:00007ffd33960d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.042916] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f21e58a08f3 # [ 93.050937] RDX: 0000000000000020 RSI: 00007f21e5793000 RDI: 0000000000000001 # [ 93.058960] RBP: 00007f21e5793000 R08: 00007f21e5792010 R09: 0000000000000000 # [ 93.066987] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 9[ 93.500920] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 93.509132] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 93.516683] ------------[ cut here ]------------ [ 93.521891] refcount_t: underflow; use-after-free. [ 93.527328] WARNING: CPU: 1 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 93.536810] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.552853] CPU: 1 PID: 2557 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 93.561543] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.568215] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 93.574089] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 a0 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 [ 93.595148] RSP: 0018:ffffadee02e97e40 EFLAGS: 00010286 [ 93.601023] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 93.609040] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 [ 93.617049] RBP: ffffffffa0d82508 R08: 0000000000000000 R09: 0000000000000000 [ 93.625060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.633077] R13: ffffadee02e97f10 R14: ffffadee02e97f10 R15: ffff90cf03e12000 [ 93.641103] FS: 00007f1f8113b580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 [ 93.650188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.656650] CR2: 00007f1f80f44000 CR3: 0000000103fa4000 CR4: 00000000003506e0 [ 93.664672] Call Trace: [ 93.667450] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 93.673633] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 93.680007] direct_entry.cold+0x2c/0x38 [ 93.684435] full_proxy_write+0x56/0x80 [ 93.688765] vfs_write+0xea/0x3a0 [ 93.692505] ksys_write+0x68/0xf0 [ 93.696252] do_syscall_64+0x33/0x40 [ 93.700285] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 93.705974] RIP: 0033:0x7f1f810518f3 [ 93.710007] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 93.731092] RSP: 002b:00007ffd2a1442e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.739603] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1f810518f3 [ 93.747616] RDX: 0000000000000020 RSI: 00007f1f80f44000 RDI: 0000000000000001 [ 93.755634] RBP: 00007f1f80f44000 R08: 00007f1f80f43010 R09: 0000000000000000 [ 93.763655] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 93.771668] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3.075021] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 93.779687] irq event stamp: 0 00000020000 # [ 93.089276] irq event stamp: 0 # [ 93.09272[ 93.789323] hardirqs last enabled at (0): [<0000000000000000>] 0x0 5] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 93.802575] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 93.817976] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 93.827167] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.834206] ---[ end trace 84c2823588420cf5 ]--- [ 93.839393] lkdtm: Saturation detected: still saturated 93.105990] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 93.115192] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 93.124387] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.131436] ---[ end trace 84c2823588420cf4 ]--- # [ 93.136632] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 93.500920] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 93.509132] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 93.516683] ------------[ cut here ]------------ # [ 93.521891] refcount_t: underflow; use-after-free. # [ 93.527328] WARNING: CPU: 1 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 93.536810] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.552853] CPU: 1 PID: 2557 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 93.561543] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.568215] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 93.574089] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 a0 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 93.595148] RSP: 0018:ffffadee02e97e40 EFLAGS: 00010286 # [ 93.601023] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 93.609040] RDX: ffff90cf7bcac660 RSI: ffff90cf7bc9bf70 RDI: ffff90cf7bc9bf70 # [ 93.617049] RBP: ffffffffa0d82508 R08: 0000000000000000 R09: 0000000000000000 # [ 93.625060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 93.633077] R13: ffffadee02e97f10 R14: ffffadee02e97f10 R15: ffff90cf03e12000 # [ 93.641103] FS: 00007f1f8113b580(0000) GS:ffff90cf7bc80000(0000) knlGS:0000000000000000 # [ 93.650188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.656650] CR2: 00007f1f80f44000 CR3: 0000000103fa4000 CR4: 00000000003506e0 # [ 93.664672] Call Trace: # [ 93.667450] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 93.673633] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 93.680007] direct_entry.cold+0x2c/0x38 # [ 93.684435] full_proxy_write+0x56/0x80 # [ 93.688765] vfs_write+0xea/0x3a0 # [ 93.692505] ksys_write+0x68/0xf0 # [ 93.696252] do_syscall_64+0x33/0x40 # [ 93.700285] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.705974] RIP: 0033:0x7f1f810518f3 # [ 93.710007] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.731092] RSP: 002b:00007ffd2a1442e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.739603] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1f810518f3 # [ 93.747616] RDX: 0000000000000020 RSI: 00007f1f80f44000 RDI: 0000000000000001 # [ 93.755634] RBP: 00007f1f80f44000 R08: 00007f1f80f43010 R09: 0000000000000000 # [ 93.763655] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 93.771668] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.779687] irq event stamp: 0 # [ 93.789323] hardirqs las[ 94.213673] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 94.225379] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 94.232924] ------------[ cut here ]------------ [ 94.238113] refcount_t: underflow; use-after-free. t enabled at (0): [<0000000000000000>] 0x0 # [ 93.802575] ha[ 94.243545] WARNING: CPU: 2 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 94.259202] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.275234] CPU: 2 PID: 2592 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 94.283934] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.290594] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 94.296475] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 a0 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 rdirqs last disabled at (0): [] copy_process+0[ 94.317544] RSP: 0018:ffffadee02ecfe40 EFLAGS: 00010286 [ 94.329634] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 94.337661] RDX: ffff90cf7bd2c660 RSI: ffff90cf7bd1bf70 RDI: ffff90cf7bd1bf70 [ 94.345681] RBP: ffffffffa0d82528 R08: 0000000000000000 R09: 0000000000000000 [ 94.353699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.361714] R13: ffffadee02ecff10 R14: ffffadee02ecff10 R15: ffff90cf04296000 [ 94.369738] FS: 00007f62658e4580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 [ 94.378834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.385296] CR2: 00007f62656ed000 CR3: 0000000103e00000 CR4: 00000000003506e0 [ 94.393307] Call Trace: [ 94.396069] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 94.402251] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 94.408616] direct_entry.cold+0x2c/0x38 [ 94.413040] full_proxy_write+0x56/0x80 [ 94.417366] vfs_write+0xea/0x3a0 [ 94.421101] ksys_write+0x68/0xf0 [ 94.424841] do_syscall_64+0x33/0x40 [ 94.428882] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 94.434569] RIP: 0033:0x7f62657fa8f3 [ 94.438597] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.459666] RSP: 002b:00007fff050c1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.468170] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f62657fa8f3 [ 94.476190] RDX: 0000000000000020 RSI: 00007f62656ed000 RDI: 0000000000000001 [ 94.484210] RBP: 00007f62656ed000 R08: 00007f62656ec010 R09: 0000000000000000 x640/0x1c80 # [ 93.817976] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 93.827167] so[ 94.506466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 94.520722] irq event stamp: 0 [ 94.524169] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 94.531220] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 94.540406] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 94.549596] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.556637] ---[ end trace 84c2823588420cf6 ]--- [ 94.561872] lkdtm: Saturation detected: still saturated ftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.834206] ---[ end trace 84c2823588420cf5 ]--- # [ 93.839393] 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 # [ 94.213673] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 94.225379] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 94.232924] ------------[ cut here ]------------ # [ 94.238113] refcount_t: underflow; use-after-free. # [ 94.243545] WARNING: CPU: 2 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 94.259202] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.275234] CPU: 2 PID: 2592 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 94.283934] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.290594] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 94.296475] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 d1 a0 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 94.317544] RSP: 0018:ffffadee02ecfe40 EFLAGS: 00010286 # [ 94.329634] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 94.337661] RDX: ffff90cf7bd2c660 RSI: ffff90cf7bd1bf70 RDI: ffff90cf7bd1bf70 # [ 94.345681] RBP: ffffffffa0d82528 R08: 0000000000000000 R09: 0000000000000000 # [ 94.353699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.361714] R13: ffffadee02ecff10 R14: ffffadee02ecff10 R15: ffff90cf04296000 # [ 94.369738] FS: 00007f62658e4580(0000) GS:ffff90cf7bd00000(0000) knlGS:0000000000000000 # [ 94.378834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.385296] CR2: 00007f62656ed000 CR3: 0000000103e00000 CR4: 00000000003506e0 # [ 94.393307] Call Trace: # [ 94.396069] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 94.402251] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 94.408616] direct_entry.cold+0x2c/0x38 # [ 94.413040] full_proxy_write+0x56/0x80 # [ 94.417366] vfs_write+0xea/0x3a0 # [ 94.421101] ksys_write+0x68/0xf0 # [ 94.424841] do_syscall_64+0x33/0x40 # [ 94.428882] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 94.434569] RIP: 0033:0x7f62657fa8f3 # [ 94.438597] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.459666] RSP: 002b:00007fff050c1af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.468170] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f62657fa8f3 # [ 94.476190] RDX: 0000000000000020 RSI: 00007f62656ed000 RDI: 0000000000000001 # [ 94.484210] RBP: 00007f62656ed000 R08: 00007f62656ec010 R09: 0000000000000000 # [ 94.492232] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 94.506466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.520722] irq event stamp: 0 # [ 94.524169] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.531220] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 94.540406] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 94.549596] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.556637] ---[ end trace 84c2823588420cf6 ]--- # [ 94.561872] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh [ 95.188560] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 95.195383] lkdtm: attempting good copy_to_user of correct size [ 95.202061] lkdtm: attempting bad copy_to_user of too large size # [ 95.188560] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 95.195383] lkdtm: attempting good copy_to_user of correct size # [ 95.202061] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh [ 95.548667] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 95.555655] lkdtm: attempting good copy_from_user of correct size [ 95.562563] lkdtm: attempting bad copy_from_user of too large size # [ 95.548667] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 95.555655] lkdtm: attempting good copy_from_user of correct size # [ 95.562563] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh [ 95.913843] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 95.921169] lkdtm: attempting good copy_to_user inside whitelist [ 95.928004] lkdtm: attempting bad copy_to_user outside whitelist # [ 95.913843] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 95.921169] lkdtm: attempting good copy_to_user inside whitelist # [ 95.928004] 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 [ 96.284981] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 96.292463] lkdtm: attempting good copy_from_user inside whitelist [ 96.299426] lkdtm: attempting bad copy_from_user outside whitelist # [ 96.284981] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 96.292463] lkdtm: attempting good copy_from_user inside whitelist # [ 96.299426] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh [ 96.652136] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 96.659090] lkdtm: good_stack: ffffadee0328fe20-ffffadee0328fe40 [ 96.665846] lkdtm: bad_stack : ffffadee0328fda8-ffffadee0328fdc8 [ 96.672649] lkdtm: attempting good copy_to_user of local stack [ 96.679225] lkdtm: attempting bad copy_to_user of distant stack # [ 96.652136] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 96.659090] lkdtm: good_stack: ffffadee0328fe20-ffffadee0328fe40 # [ 96.665846] lkdtm: bad_stack : ffffadee0328fda8-ffffadee0328fdc8 # [ 96.672649] lkdtm: attempting good copy_to_user of local stack # [ 96.679225] 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 [ 97.021942] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 97.029131] lkdtm: good_stack: ffffadee03327e20-ffffadee03327e40 [ 97.035912] lkdtm: bad_stack : ffffadee03327da8-ffffadee03327dc8 [ 97.042701] lkdtm: attempting good copy_from_user of local stack [ 97.049479] lkdtm: attempting bad copy_from_user of distant stack # [ 97.021942] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 97.029131] lkdtm: good_stack: ffffadee03327e20-ffffadee03327e40 # [ 97.035912] lkdtm: bad_stack : ffffadee03327da8-ffffadee03327dc8 # [ 97.042701] lkdtm: attempting good copy_from_user of local stack # [ 97.049479] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh [ 97.391200] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 97.398021] lkdtm: good_stack: ffffadee033a7e20-ffffadee033a7e40 [ 97.404789] lkdtm: bad_stack : ffffadee033a7ff8-ffffadee033a8018 [ 97.411916] lkdtm: attempting good copy_to_user of local stack [ 97.418997] lkdtm: attempting bad copy_to_user of distant stack [ 97.425806] lkdtm: copy_to_user failed, but lacked Oops # [ 97.391200] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 97.398021] lkdtm: good_stack: ffffadee033a7e20-ffffadee033a7e40 # [ 97.404789] lkdtm: bad_stack : ffffadee033a7ff8-ffffadee033a8018 # [ 97.411916] lkdtm: attempting good copy_to_user of local stack # [ 97.418997] lkdtm: attempting bad copy_to_user of distant stack # [ 97.425806] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh [ 97.772511] lkdtm: Performing direct entry USERCOPY_KERNEL [ 97.778706] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa099b730 [ 97.787474] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9f6e31d0 [ 97.795902] lkdtm: FAIL: survived bad copy_to_user() # [ 97.772511] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 97.778706] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa099b730 # [ 97.787474] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9f6e31d0 # [ 97.795902] 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 [ 98.157121] lkdtm: Performing direct entry STACKLEAK_ERASING [ 98.163501] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 98.171457] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 98.179285] lkdtm: FAIL: the thread stack is NOT properly erased [ 98.186047] CPU: 2 PID: 2957 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 98.194714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 98.201343] Call Trace: [ 98.204101] dump_stack+0x77/0x9b [ 98.207813] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 98.212992] direct_entry.cold+0x2c/0x38 [ 98.217393] full_proxy_write+0x56/0x80 [ 98.221700] vfs_write+0xea/0x3a0 [ 98.225421] ksys_write+0x68/0xf0 [ 98.229144] do_syscall_64+0x33/0x40 [ 98.233154] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 98.238818] RIP: 0033:0x7f49fdeeb8f3 [ 98.242826] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 98.263869] RSP: 002b:00007fff23b38648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 98.272352] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f49fdeeb8f3 [ 98.280344] RDX: 0000000000000012 RSI: 00007f49fddde000 RDI: 0000000000000001 [ 98.288342] RBP: 00007f49fddde000 R08: 00007f49fdddd010 R09: 0000000000000000 [ 98.296329] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 98.304327] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 98.157121] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 98.163501] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 98.171457] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 98.179285] lkdtm: FAIL: the thread stack is NOT properly erased # [ 98.186047] CPU: 2 PID: 2957 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 98.194714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 98.201343] Call Trace: # [ 98.204101] dump_stack+0x77/0x9b # [ 98.207813] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 98.212992] direct_entry.cold+0x2c/0x38 # [ 98.217393] full_proxy_write+0x56/0x80 # [ 98.221700] vfs_write+0xea/0x3a0 # [ 98.225421] ksys_write+0x68/0xf0 # [ 98.229144] do_syscall_64+0x33/0x40 # [ 98.233154] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 98.238818] RIP: 0033:0x7f49fdeeb8f3 # [ 98.242826] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 98.263869] RSP: 002b:00007fff23b38648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 98.272352] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f49fdeeb8f3 # [ 98.280344] RDX: 0000000000000012 RSI: 00007f49fddde000 RDI: 0000000000000001 # [ 98.288342] RBP: 00007f49fddde000 R08: 00007f49fdddd010 R09: 0000000000000000 # [ 98.296329] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 98.304327] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh [ 98.637647] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 98.644045] lkdtm: Calling matched prototype ... [ 98.649260] lkdtm: Calling mismatched prototype ... [ 98.654760] lkdtm: Fail: survived mismatched prototype function call! # [ 98.637647] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 98.644045] lkdtm: Calling matched prototype ... # [ 98.649260] lkdtm: Calling mismatched prototype ... # [ 98.654760] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #