[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 13894 FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x3 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 33 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269781 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 4862 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 52882 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 14094 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 10010 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 14081 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 18193 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 18191 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 14092 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 11277 usecs scan_bus: scanning of bus DOMAIN: 0000 took 392545 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 412573 usecs done FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'. MRC: cache data 'RW_VAR_MRC_CACHE' needs update. FMAP: area RW_ELOG found @ 421000 (12288 bytes) ELOG: NV offset 0x421000 size 0x3000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-07-05 01:49:33 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-07-05 01:49:33 UTC ELOG: Event(AA) added with size 11 at 2022-07-05 01:49:33 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 702903 exit 96085 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 2959861 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 112682 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2143 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 2 apic_id 4. AP: slot 3 apic_id 2. AP: slot 1 apic_id 6. done. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afff400 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #3 Initializing CPU #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 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 #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 469352 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2242 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2243 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2243 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2241 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2238 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 27436 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2238 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2241 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2235 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2239 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2241 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6138 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6124 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6132 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6119 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 6137 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2237 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2247 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3566 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2239 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2340 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 42271 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 4997 run 883584 exit 891 ELOG: Event(A1) added with size 10 at 2022-07-05 01:49:37 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-05 01:49:37 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 24899 run 3955 exit 5271 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 04 (unknown) APIC: 02 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5cc bytes, checksum e67e coreboot table: 1508 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 GNVS PTR 8. 7affe980 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 814877 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 177 run 108285 exit 29022 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 6750129/tftp-deploy-tb1vu2bw/kernel/bzImage 6750129/tftp-deploy-tb1vu2bw/kernel/cmdline 6750129/tftp-deploy-tb1vu2bw/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6750129/tftp-deploy-tb1vu2bw/kernel/bzImoy-tb1vu2bw/kernel/cmdline 6750129/tftp-deploy-tb1vu2bw/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6750129/tftp-deploy-tb1vu2bw/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ done. The bootfile was 13099616 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: 6750129/tftp-deploy-tb1vu2bw/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/6750129/extract-nfsrootfs-yissny7m,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: 19460295 Starting kernel ... [ 0.000000] Linux version 5.10.128-cip10 (KernelCI@build-j308944-x86-64-gcc-10-x86-64-defconfig-x86-chromebooq79r5) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 5 01:41:04 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/6750129/extract-nfsrootfs-yissny7m,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 [ 0.000000] tsc: Detected 1094.400 MHz processor [ 0.000054] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000300] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001142] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.004942] check: Scanning 1 areas for low memory corruption [ 0.004955] Using GB pages for direct mapping [ 0.005301] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.005308] ACPI: Early table checksum verification disabled [ 0.005317] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005328] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005341] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005354] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005364] ACPI: FACS 0x000000007AB10240 000040 [ 0.005374] ACPI: FACS 0x000000007AB10240 000040 [ 0.005382] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005392] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005402] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005411] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005420] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005430] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005440] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005444] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005448] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005452] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005456] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005460] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005464] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005467] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005471] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005475] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.005603] No NUMA configuration found [ 0.005607] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.005616] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] [ 0.005660] Zone ranges: [ 0.005665] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.005671] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.005676] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.005682] Movable zone start for each node [ 0.005686] Early memory node ranges [ 0.005689] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.005694] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.005697] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.005701] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.005707] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.005738] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.005788] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012503] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.019979] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020010] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020313] ACPI: PM-Timer IO Port: 0x408 [ 0.020385] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020401] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020407] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020419] Using ACPI (MADT) for SMP configuration information [ 0.020424] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020435] TSC deadline timer available [ 0.020440] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020470] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020476] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020480] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020485] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020489] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020492] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020496] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020499] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020504] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.020507] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.020511] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.020514] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.020522] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.020531] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.028763] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.029392] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.029486] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.029494] Policy zone: Normal [ 0.029516] 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/6750129/extract-nfsrootfs-yissny7m,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.030471] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.030916] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.030984] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064243] Memory: 3875248K/4071724K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196216K reserved, 0K cma-reserved) [ 0.064390] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.064448] Kernel/User page tables isolation: enabled [ 0.064522] ftrace: allocating 52718 entries in 206 pages [ 0.087480] ftrace: allocated 206 pages with 5 groups [ 0.087821] Running RCU self tests [ 0.087840] rcu: Hierarchical RCU implementation. [ 0.087844] rcu: RCU event tracing is enabled. [ 0.087848] rcu: RCU lockdep checking is enabled. [ 0.087852] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.087856] Rude variant of Tasks RCU enabled. [ 0.087859] Tracing variant of Tasks RCU enabled. [ 0.087863] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.087867] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.095804] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.096241] random: crng init done [ 0.096354] Console: colour dummy device 80x25 [ 0.165518] printk: console [ttyS2] enabled [ 0.165882] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.166534] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.166883] ... MAX_LOCK_DEPTH: 48 [ 0.167246] ... MAX_LOCKDEP_KEYS: 8192 [ 0.167615] ... CLASSHASH_SIZE: 4096 [ 0.167991] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.168367] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.168743] ... CHAINHASH_SIZE: 32768 [ 0.169131] memory used by lock dependency info: 6365 kB [ 0.169585] memory used for stack traces: 4224 kB [ 0.169999] per task-struct memory footprint: 1920 bytes [ 0.170525] ACPI: Core revision 20200925 [ 0.171147] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.171993] APIC: Switch to symmetric I/O mode setup [ 0.176981] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.181984] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.182876] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.183864] pid_max: default: 32768 minimum: 301 [ 0.184938] LSM: Security Framework initializing [ 0.185363] SELinux: Initializing. [ 0.185916] LSM support for eBPF active [ 0.186287] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.186877] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.188832] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.188971] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.189862] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.190377] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.190865] Spectre V2 : Mitigation: Retpolines [ 0.191251] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.191863] Speculative Store Bypass: Vulnerable [ 0.193052] Freeing SMP alternatives memory: 44K [ 0.195186] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.196762] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.196875] ... version: 4 [ 0.197226] ... bit width: 48 [ 0.197583] ... generic registers: 4 [ 0.197865] ... value mask: 0000ffffffffffff [ 0.198323] ... max period: 00007fffffffffff [ 0.198778] ... fixed-purpose events: 3 [ 0.198864] ... event mask: 000000070000000f [ 0.199812] rcu: Hierarchical SRCU implementation. [ 0.201704] smp: Bringing up secondary CPUs ... [ 0.202700] x86: Booting SMP configuration: [ 0.202881] .... node #0, CPUs: #1 #2 #3 [ 0.206008] smp: Brought up 1 node, 4 CPUs [ 0.206870] smpboot: Max logical packages: 1 [ 0.207247] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.209233] devtmpfs: initialized [ 0.209533] x86/mm: Memory block size: 128MB [ 0.214985] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.215878] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.216969] pinctrl core: initialized pinctrl subsystem [ 0.217789] PM: RTC time: 01:49:51, date: 2022-07-05 [ 0.218415] NET: Registered protocol family 16 [ 0.219561] audit: initializing netlink subsys (disabled) [ 0.219955] audit: type=2000 audit(1656985791.042:1): state=initialized audit_enabled=0 res=1 [ 0.220646] thermal_sys: Registered thermal governor 'step_wise' [ 0.220660] thermal_sys: Registered thermal governor 'user_space' [ 0.221965] cpuidle: using governor menu [ 0.223100] ACPI: bus type PCI registered [ 0.223100] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.223835] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.224916] PCI: Using configuration type 1 for base access [ 0.248997] Kprobes globally optimized [ 0.250011] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.250467] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.251050] cryptomgr_test (40) used greatest stack depth: 14880 bytes left [ 0.254233] ACPI: Added _OSI(Module Device) [ 0.254598] ACPI: Added _OSI(Processor Device) [ 0.254873] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.255278] ACPI: Added _OSI(Processor Aggregator Device) [ 0.255746] ACPI: Added _OSI(Linux-Dell-Video) [ 0.255867] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.256321] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.265787] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.273349] ACPI: EC: EC started [ 0.273657] ACPI: EC: interrupt blocked [ 0.274521] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.274870] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.275497] ACPI: Interpreter enabled [ 0.275881] ACPI: (supports S0 S3 S5) [ 0.276204] ACPI: Using IOAPIC for interrupt routing [ 0.276686] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.278729] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.282925] ACPI: Power Resource [PXP] (on) [ 0.305858] ACPI: Power Resource [PRIC] (on) [ 0.333389] ACPI: Power Resource [PRIC] (on) [ 0.406255] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.406804] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.408158] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.409518] PCI host bridge to bus 0000:00 [ 0.409868] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.410453] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.410867] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.411502] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.411867] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.412503] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.413947] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.415368] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.415904] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.417167] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.417708] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.417881] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.418475] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.419345] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.419882] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.420471] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.420875] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.421871] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.422404] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.423454] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.424904] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.425537] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.425995] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.427227] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.427783] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.428033] pci 0000:00:0f.0: PME# supported from D3hot [ 0.429002] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.429730] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.431546] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.431901] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.432636] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.433520] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.433904] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.434507] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.435558] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.436905] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.437505] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.438535] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.438905] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.439505] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.440545] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.440906] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.441507] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.443573] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.443905] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.444505] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.445537] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.445905] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.446499] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.448581] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.448905] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.449507] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.450550] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.450904] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.451510] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.452538] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.453916] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.454520] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.455561] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.455904] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.456508] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.457576] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.457897] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.458499] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.460514] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.460896] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.461491] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.462658] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.463739] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.464944] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.465610] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.467136] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.468067] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.469180] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.470013] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.471510] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.473827] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.473877] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.481843] ACPI: EC: interrupt unblocked [ 0.482867] ACPI: EC: event unblocked [ 0.483225] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.483668] ACPI: EC: GPE=0x2b [ 0.483870] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.484472] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.485933] iommu: Default domain type: Translated [ 0.486941] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.487478] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.487893] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.488390] vgaarb: loaded [ 0.489181] SCSI subsystem initialized [ 0.489951] ACPI: bus type USB registered [ 0.490425] usbcore: registered new interface driver usbfs [ 0.490928] usbcore: registered new interface driver hub [ 0.491428] usbcore: registered new device driver usb [ 0.491999] pps_core: LinuxPPS API ver. 1 registered [ 0.492426] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.492880] PTP clock support registered [ 0.494158] Advanced Linux Sound Architecture Driver Initialized. [ 0.495366] NetLabel: Initializing [ 0.495664] NetLabel: domain hash size = 128 [ 0.495866] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.496418] NetLabel: unlabeled traffic allowed by default [ 0.497982] PCI: Using ACPI for IRQ routing [ 0.528588] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.529956] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.530513] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.533979] clocksource: Switched to clocksource tsc-early [ 0.955323] VFS: Disk quotas dquot_6.6.0 [ 0.955711] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.956706] pnp: PnP ACPI init [ 0.957811] system 00:00: [io 0x0900-0x09fe] has been reserved [ 0.958628] system 00:01: [io 0x0200] has been reserved [ 0.959096] system 00:01: [io 0x0204] has been reserved [ 0.959557] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.960078] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.963175] pnp: PnP ACPI: found 3 devices [ 0.978603] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.979487] NET: Registered protocol family 2 [ 0.980079] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.982200] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.983191] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.984127] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.986693] TCP: Hash tables configured (established 32768 bind 32768) [ 0.987774] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.988746] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.989614] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.990695] NET: Registered protocol family 1 [ 0.991924] RPC: Registered named UNIX socket transport module. [ 0.992456] RPC: Registered udp transport module. [ 0.992880] RPC: Registered tcp transport module. [ 0.993285] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.994419] NET: Registered protocol family 44 [ 0.994828] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.995298] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.995894] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.996422] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 0.997017] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.997602] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 0.998192] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 0.998777] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 0.999570] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.002971] PCI: CLS 64 bytes, default 64 [ 1.003712] Unpacking initramfs... [ 1.222364] Freeing initrd memory: 8312K [ 1.222814] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.223398] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.224455] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.225153] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.225638] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.226136] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.226594] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.228359] kvm: already loaded the other module [ 1.228761] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.229656] clocksource: Switched to clocksource tsc [ 1.230189] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.233094] check: Scanning for low memory corruption every 60 seconds [ 1.236237] Initialise system trusted keyrings [ 1.236948] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.255558] NFS: Registering the id_resolver key type [ 1.256058] Key type id_resolver registered [ 1.256443] Key type id_legacy registered [ 1.268079] Key type asymmetric registered [ 1.268477] Asymmetric key parser 'x509' registered [ 1.268982] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.269626] io scheduler mq-deadline registered [ 1.270033] io scheduler kyber registered [ 1.270631] test_firmware: interface ready [ 1.271806] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.273576] ACPI: AC Adapter [AC] (on-line) [ 1.274303] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.275851] ACPI: Lid Switch [LID0] [ 1.276370] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.277259] ACPI: Power Button [PWRB] [ 1.277766] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.278686] ACPI: Sleep Button [SLP] [ 1.279219] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.280045] ACPI: Power Button [PWRF] [ 1.280618] ACPI: \_PR_.CP00: Found 3 idle states [ 1.281777] ACPI: \_PR_.CP01: Found 3 idle states [ 1.282661] ACPI: \_PR_.CP02: Found 3 idle states [ 1.283534] ACPI: \_PR_.CP03: Found 3 idle states [ 1.286085] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.288780] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.288808] Non-volatile memory driver v1.3 [ 1.290036] Linux agpgart interface v0.103 [ 1.293650] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.347482] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x3bd2 [ 1.348280] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.349006] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.350307] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.351190] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.352179] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.400541] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.404058] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.420045] loop: module loaded [ 1.421029] lkdtm: No crash points registered, enable through debugfs [ 1.473006] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.476704] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.479931] printk: console [ttyS2] disabled [ 1.480559] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 4.353012] printk: console [ttyS2] enabled [ 4.353017] fbcon: i915drmfb (fb0) is primary device [ 4.355429] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.363590] e100: Intel(R) PRO/100 Network Driver [ 4.363594] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.363650] e1000: Intel(R) PRO/1000 Network Driver [ 4.363652] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.363722] e1000e: Intel(R) PRO/1000 Network Driver [ 4.363724] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.363798] sky2: driver version 1.30 [ 4.364100] usbcore: registered new interface driver r8152 [ 4.364753] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.364795] ehci-pci: EHCI PCI platform driver [ 4.364925] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.364958] ohci-pci: OHCI PCI platform driver [ 4.365016] uhci_hcd: USB Universal Host Controller Interface driver [ 4.366505] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.367391] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.368637] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.368687] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.370251] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.370267] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.370270] usb usb1: Product: xHCI Host Controller [ 4.370273] usb usb1: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.370276] usb usb1: SerialNumber: 0000:00:15.0 [ 4.371813] hub 1-0:1.0: USB hub found [ 4.371955] hub 1-0:1.0: 8 ports detected [ 4.373848] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.374476] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.374498] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.374929] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.374937] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.374940] usb usb2: Product: xHCI Host Controller [ 4.374943] usb usb2: Manufacturer: Linux 5.10.128-cip10 xhci-hcd [ 4.374946] usb usb2: SerialNumber: 0000:00:15.0 [ 4.376279] hub 2-0:1.0: USB hub found [ 4.376357] hub 2-0:1.0: 7 ports detected [ 4.378019] usbcore: registered new interface driver usblp [ 4.378077] usbcore: registered new interface driver usb-storage [ 4.378464] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.378568] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.378571] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.379150] i8042: Warning: Keylock active [ 4.379398] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.382312] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.384432] rtc_cmos rtc_cmos: registered as rtc0 [ 4.384790] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.385270] Console: switching to colour frame buffer device 240x67 [ 4.385773] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.387156] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.387160] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.387194] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.387256] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.387278] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.387280] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.388243] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.388295] intel_pstate: Intel P-state driver initializing [ 4.391066] sdhci: Secure Digital Host Controller Interface driver [ 4.391073] sdhci: Copyright(c) Pierre Ossman [ 4.391290] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.399594] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.405858] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.406508] hid: raw HID events driver (C) Jiri Kosina [ 4.409174] usbcore: registered new interface driver usbhid [ 4.409181] usbhid: USB HID core driver [ 4.411473] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.418865] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.419947] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.428835] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.606237] mmc0: new HS400 MMC card at address 0001 [ 4.614105] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.617576] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 4.627166] gre: GRE over IPv4 demultiplexor driver [ 4.634529] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 4.638079] ip_gre: GRE over IPv4 tunneling driver [ 4.644152] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 4.652399] IPv4 over IPsec tunneling driver [ 4.658971] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 4.666520] Initializing XFRM netlink socket [ 4.676220] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 4.685916] NET: Registered protocol family 10 [ 4.720309] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 4.729707] Segment Routing with IPv6 [ 4.801701] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 4.808824] ip6_gre: GRE over IPv6 tunneling driver [ 4.809951] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 4.809963] usb 1-5: Product: USB2.0 HD UVC WebCam [ 4.819723] NET: Registered protocol family 17 [ 4.826225] usb 1-5: Manufacturer: Quanta [ 4.826234] usb 1-5: SerialNumber: 0x0001 [ 4.893924] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 4.900828] Key type dns_resolver registered [ 4.925999] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.034519] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.042599] usb 2-5: Product: USB 10/100/1000 LAN [ 5.047943] usb 2-5: Manufacturer: Realtek [ 5.052593] usb 2-5: SerialNumber: 001000001 [ 5.059696] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 5.066258] microcode: Microcode Update Driver: v2.2. [ 5.066282] IPI shorthand broadcast: enabled [ 5.077007] sched_clock: Marking stable (4995194161, 81677997)->(5082769791, -5897633) [ 5.087408] registered taskstats version 1 [ 5.092080] Loading compiled-in X.509 certificates [ 5.110957] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.114500] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.137576] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.155089] PM: Magic number: 14:271:811 [ 5.160252] printk: console [netcon0] enabled [ 5.165191] netconsole: network logging started [ 5.248032] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.257283] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.271866] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.365340] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.399962] r8152 2-5:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.410026] r8152 2-5:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.458317] r8152 2-5:1.0 eth0: v1.11.11 [ 5.464455] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.465428] IP-Config: Failed to open gretap0 [ 5.478736] IP-Config: Failed to open erspan0 [ 5.495749] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.502932] Sending DHCP requests . [ 5.523516] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 7.148210] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.156756] r8152 2-5:1.0 eth0: carrier on [ 8.152184] ., OK [ 8.162529] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 [ 8.171566] IP-Config: Complete: [ 8.175238] device=eth0, hwaddr=00:e0:4c:68:0d:ad, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 [ 8.186988] host=asus-C523NA-A20057-coral-cbg-4, domain=lava-rack, nis-domain=(none) [ 8.196205] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.196215] nameserver0=192.168.201.1 [ 8.209747] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.234240] modprobe (103) used greatest stack depth: 14120 bytes left [ 8.251866] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.259685] ALSA device list: [ 8.264093] No soundcards found. [ 8.264184] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.278062] cfg80211: failed to load regulatory.db [ 8.285347] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 8.308828] Freeing unused kernel image (initmem) memory: 1688K [ 8.323549] Write protecting the kernel read-only data: 26624k [ 8.336006] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.344709] Freeing unused kernel image (rodata/data gap) memory: 152K [ 8.352377] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 8.456392] systemd-udevd (125) used greatest stack depth: 13576 bytes left [ 9.647529] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.656849] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 9.782977] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.033999] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.051801] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:0d:ad mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C523NA-A20057-coral-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.294729] nfsmount (165) 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 [ 12.088186] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 12.127844] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 12.170973] systemd[1]: Set hostname to . [ 13.659513] systemd[1]: Queued start job for default target Graphical Interface. [ 13.677865] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 13.696539] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 13.715829] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 13.735381] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 13.754018] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 13.774582] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 13.797135] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 13.820746] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 13.837686] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 13.849596] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 13.866594] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 13.878615] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 13.891945] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 13.913168] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 13.932961] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 13.951710] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 13.967844] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 13.992445] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 14.010277] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 14.035023] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 14.058310] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 14.085961] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 14.114346] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 14.139348] 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... [ 14.167825] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 14.192651] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 14.216456] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 14.224258] mount (193) used greatest stack depth: 12528 bytes left [ 14.252631] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 14.280967] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 14.310813] fuse: init (API version 7.32) [ 14.323048] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 14.345773] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 14.370770] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 14.403346] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 14.420540] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 14.440055] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 14.457725] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 14.514025] 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. [ 14.549626] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.559468] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 14.580356] systemd[1]: modprobe@drm.service: Succeeded. [ 14.589720] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 14.609859] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.619204] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 14.639575] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 14.659494] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 14.687223] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 14.710983] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 14.738387] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.748991] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.766429] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 14.786524] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 14.812565] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 14.839003] systemd[1]: Mounted FUSE Control File System. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [ 14.856670] systemd[1]: Mounted Kernel Configuration File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [ 14.934284] systemd[1]: Finished Load/Save Random Seed. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [ 14.954096] systemd[1]: Finished Apply Kernel Variables. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [ 14.971989] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 15.079583] 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 System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 15.200497] systemd-journald[201]: Received client request to flush runtime journal. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[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. Starting [0;1;39mRule-based Manage…for Device Events and Files[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] Finished [0;1;39mCreate Volatile Files and Directories[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. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS2[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.128-cip10 #1 SMP Tue Jul 5 01:41:04 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/6750129/extract-nfsrootfs-yissny7m' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6750129/extract-nfsrootfs-yissny7m' / # 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-6750129/environment . /lava-6750129/environment / # /lava-6750129/bin/lava-test-runner /lava-6750129/0 /lava-6750129/bin/lava-test-runner /lava-6750129/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6750129/0/tests/0_timesync-off ++ cat uuid + UUID=6750129_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6750129/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6750129_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-119-g603acbe1aceb/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-6750129/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-07-05 01:50:39-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.125-cip10-119-g603acbe1aceb/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: 3504048 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 166KB/s kselftest.tar.xz 6%[> ] 216.08K 383KB/s kselftest.tar.xz 18%[==> ] 620.02K 809KB/s kselftest.tar.xz 44%[=======> ] 1.48M 1.53MB/s kselftest.tar.xz 100%[===================>] 3.34M 2.90MB/s in 1.2s 2022-07-05 01:50:41 (2.90 MB/s) - 'kselftest.tar.xz' saved [3504048/3504048] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 65.572564] 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 [ 66.238276] lkdtm: Performing direct entry BUG [ 66.243650] ------------[ cut here ]------------ [ 66.249006] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 66.255038] invalid opcode: 0000 [#1] SMP PTI [ 66.259931] CPU: 3 PID: 726 Comm: cat Not tainted 5.10.128-cip10 #1 [ 66.266953] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.273593] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.277990] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 66.299031] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 66.304887] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.312879] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 66.320873] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 66.328861] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.336858] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 66.344855] FS: 00007f6f26384580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 66.353907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.360341] CR2: 00007f6f2619d000 CR3: 000000010267a000 CR4: 00000000003506e0 [ 66.368325] Call Trace: [ 66.371071] direct_entry.cold+0x2c/0x38 [ 66.375476] full_proxy_write+0x56/0x80 [ 66.379784] vfs_write+0xea/0x390 [ 66.383504] ksys_write+0x68/0xe0 [ 66.387219] do_syscall_64+0x33/0x40 [ 66.391225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.396895] RIP: 0033:0x7f6f262acf33 [ 66.400905] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.421962] RSP: 002b:00007ffec3c65f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.430454] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6f262acf33 [ 66.438449] RDX: 0000000000000004 RSI: 00007f6f2619d000 RDI: 0000000000000001 [ 66.446442] RBP: 00007f6f2619d000 R08: 00007f6f2619c010 R09: 0000000000000000 [ 66.454436] R10: 00007f6f263a71c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.462438] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.470449] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.486544] ---[ end trace 4ce97796d555c3f9 ]--- [ 66.492037] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.496571] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 66.517835] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 66.523912] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.531933] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 66.539948] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 66.547964] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 66.556088] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 66.564140] FS: 00007f6f26384580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 66.573306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.580045] CR2: 00007f6f2619d000 CR3: 000000010267a000 CR4: 00000000003506e0 # Segmentation fault # [ 66.238276] lkdtm: Performing direct entry BUG # [ 66.243650] ------------[ cut here ]------------ # [ 66.249006] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 66.255038] invalid opcode: 0000 [#1] SMP PTI # [ 66.259931] CPU: 3 PID: 726 Comm: cat Not tainted 5.10.128-cip10 #1 # [ 66.266953] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.273593] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.277990] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 66.299031] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 66.304887] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.312879] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 66.320873] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 66.328861] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.336858] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 66.344855] FS: 00007f6f26384580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 66.353907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.360341] CR2: 00007f6f2619d000 CR3: 000000010267a000 CR4: 00000000003506e0 # [ 66.368325] Call Trace: # [ 66.371071] direct_entry.cold+0x2c/0x38 # [ 66.375476] full_proxy_write+0x56/0x80 # [ 66.379784] vfs_write+0xea/0x390 # [ 66.383504] ksys_write+0x68/0xe0 # [ 66.387219] do_syscall_64+0x33/0x40 # [ 66.391225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.396895] RIP: 0033:0x7f6f262acf33 # [ 66.400905] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.421962] RSP: 002b:00007ffec3c65f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.430454] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6f262acf33 # [ 66.438449] RDX: 0000000000000004 RSI: 00007f6f2619d000 RDI: 0000000000000001 # [ 66.446442] RBP: 00007f6f2619d000 R08: 00007f6f2619c010 R09: 0000000000000000[ 66.868241] lkdtm: Performing direct entry WARNING # [ 66.454436] R10: 00007f6f263a71c0 R11: 0000000000000246 R[ 66.879729] ------------[ cut here ]------------ 12: 0000000000000001 # [ 66.462438] R13: 0000000000000001 R14[ 66.891144] WARNING: CPU: 0 PID: 762 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 : 0000000000020000 R15: 0000000000020000 # [ 66.470449] Modul[ 66.906758] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify es linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros[ 66.929032] CPU: 0 PID: 762 Comm: cat Tainted: G D 5.10.128-cip10 #1 [ 66.943910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 _ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cro[ 66.950585] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 66.961614] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 [ 66.982684] RSP: 0018:ffffa5b8c135fe60 EFLAGS: 00010202 [ 66.988562] RAX: ffffffff966b1af0 RBX: 0000000000000002 RCX: 0000000000000000 [ 66.996581] RDX: 0000000000000000 RSI: ffff93f83bc1bf70 RDI: ffffffff972d9a80 [ 67.004599] RBP: ffffffff976c0177 R08: 0000000000000000 R09: 0000000000000000 [ 67.012618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 67.020638] R13: ffffa5b8c135ff10 R14: ffffa5b8c135ff10 R15: ffff93f7c598c000 [ 67.028659] FS: 00007f41ab6e2580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 [ 67.037754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.044213] CR2: 00007f41ab4fb000 CR3: 00000001035ee000 CR4: 00000000003506f0 [ 67.052229] Call Trace: s_usbpd_notify # [ 66.486544] ---[ end trace 4ce97796d555c3f9[ 67.055002] direct_entry.cold+0x2c/0x38 ]--- # [ 66.492037] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 66.4[ 67.065647] full_proxy_write+0x56/0x80 [ 67.076210] vfs_write+0xea/0x390 96571] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff [ 67.079949] ksys_write+0x68/0xe0 [ 67.089918] do_syscall_64+0x33/0x40 ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1[ 67.093952] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.105853] RIP: 0033:0x7f41ab60af33 [ 67.109887] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 67.130962] RSP: 002b:00007ffe6eb21cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.145705] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f41ab60af33 [ 67.153727] RDX: 0000000000000008 RSI: 00007f41ab4fb000 RDI: 0000000000000001 [ 67.161746] RBP: 00007f41ab4fb000 R08: 00007f41ab4fa010 R09: 0000000000000000 05 30 1a 70 02 # [ 66.517835] RSP: 0018:ffffa5b8c12efe60 EFLA[ 67.169764] R10: 00007f41ab7051c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.184000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.192034] irq event stamp: 0 [ 67.195480] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.202536] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.211726] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.220913] softirqs last disabled at (0): [<0000000000000000>] 0x0 GS: 00010282 # [ 66.523912] RAX: ffffffff966b1ae0 RBX: 000000[ 67.227957] ---[ end trace 4ce97796d555c3fa ]--- 0000000001 RCX: 0000000000000000 # [ 66.531933] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 66.539948] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 66.547964] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 66.556088] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 66.564140] FS: 00007f6f26384580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 66.573306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.580045] CR2: 00007f6f2619d000 CR3: 000000010267a000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 66.868241] lkdtm: Performing direct entry WARNING # [ 66.879729] ------------[ cut here ]------------ # [ 66.891144] WARNING: CPU: 0 PID: 762 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 66.906758] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.929032] CPU: 0 PID: 762 Comm: cat Tainted: G D 5.10.128-cip10 #1 # [ 66.943910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.950585] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 66.961614] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 66.982684] RSP: 0018:ffffa5b8c135fe60 EFLAGS: 00010202 # [ 66.988562] RAX: ffffffff966b1af0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 66.996581] RDX: 0000000000000000 RSI: ffff93f83bc1bf70 RDI: ffffffff972d9a80 # [ 67.004599] RBP: ffffffff976c0177 R08: 0000000000000000 R09: 0000000000000000 # [ 67.012618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 67.020638] R13: ffffa5b8c135ff10 R14: ffffa5b8c135ff10 R15: ffff93f7c598c000 # [ 67.028659] FS: 00007f41ab6e2580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 # [ 67.037754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.044213] CR2: 00007f41ab4fb000 CR3: 00000001035ee000 CR4: 00000000003506f0 # [ 67.052229] Call Trace: # [ 67.055002] direct_entry.cold+0x2c/0x38 # [ 67.065647] full_proxy_write+0x56/0x80 # [ 67.076210] vfs_write+0xea/0x390 # [ 67.079949] ksys_write+0x68/0xe0 # [ 67.089918] do_syscall_64+0x33/0x40 # [ 67.093952] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67[ 67.487090] lkdtm: Performing direct entry WARNING_MESSAGE [ 67.494848] ------------[ cut here ]------------ .105853] RIP: 0033:0x7f41ab60af33 # [ 67.109887] Code: 8b 15 [ 67.500086] Warning message trigger count: 2 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6[ 67.511145] WARNING: CPU: 2 PID: 797 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d [ 67.527616] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.549888] CPU: 2 PID: 797 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 67.558544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.565233] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 67.570922] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 11 1a 70 02 48 c7 c7 d8 06 6c 97 8d 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 [ 67.591977] RSP: 0018:ffffa5b8c13afe60 EFLAGS: 00010286 [ 67.597852] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 67.605877] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 67.613888] RBP: ffffffff976c017f R08: 0000000000000000 R09: 0000000000000000 [ 67.621901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 67.629914] R13: ffffa5b8c13aff10 R14: ffffa5b8c13aff10 R15: ffff93f7c598c000 [ 67.637936] FS: 00007fa768dbb580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [[ 67.647019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.659703] CR2: 00007fa768bd4000 CR3: 000000010510a000 CR4: 00000000003506e0 [ 67.667723] Call Trace: [ 67.670495] direct_entry.cold+0x2c/0x38 [ 67.674930] full_proxy_write+0x56/0x80 [ 67.679252] vfs_write+0xea/0x390 67.130962] RSP: 002b:00007ffe6eb21cb8 EFLAGS: 00000246 ORIG_R[ 67.682989] ksys_write+0x68/0xe0 [ 67.692951] do_syscall_64+0x33/0x40 [ 67.696990] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.702679] RIP: 0033:0x7fa768ce3f33 [ 67.706711] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.727783] RSP: 002b:00007ffdcd581548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.736280] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fa768ce3f33 [ 67.744297] RDX: 0000000000000010 RSI: 00007fa768bd4000 RDI: 0000000000000001 [ 67.752316] RBP: 00007fa768bd4000 R08: 00007fa768bd3010 R09: 0000000000000000 [ 67.760338] R10: 00007fa768dde1c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.768348] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 AX: 0000000000000001 # [ 67.145705] RAX: ffffffffffffffda RBX[ 67.776397] irq event stamp: 0 [ 67.786048] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.793088] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.802287] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.811474] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.818514] ---[ end trace 4ce97796d555c3fb ]--- : 0000000000000008 RCX: 00007f41ab60af33 # [ 67.153727] RDX: 0000000000000008 RSI: 00007f41ab4fb000 RDI: 0000000000000001 # [ 67.161746] RBP: 00007f41ab4fb000 R08: 00007f41ab4fa010 R09: 0000000000000000 # [ 67.169764] R10: 00007f41ab7051c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.184000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.192034] irq event stamp: 0 # [ 67.195480] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.202536] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.211726] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.220913] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.227957] ---[ end trace 4ce97796d555c3fa ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 67.487090] lkdtm: Performing direct entry WARNING_MESSAGE # [ 67.494848] ------------[ cut here ]------------ # [ 67.500086] Warning message trigger count: 2 # [ 67.511145] WARNING: CPU: 2 PID: 797 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 67.527616] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.549888] CPU: 2 PID: 797 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 67.558544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.565233] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 67.570922] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 11 1a 70 02 48 c7 c7 d8 06 6c 97 8d 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 67.591977] RSP: 0018:ffffa5b8c13afe60 EFLAGS: 00010286 # [ 67.597852] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 67.605877] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 67.613888] RBP: ffffffff976c017f R08: 0000000000000000 R09: 0000000000000000 # [ 67.621901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 67.629914] R13: ffffa5b8c13aff10 R14: ffffa5b8c13aff10 R15: ffff93f7c598c000 # [ 67.637936] FS: 00007fa768dbb580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 67.647019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.659703] CR2: 00007fa768bd4000 CR3: 000000010[ 68.064394] lkdtm: Performing direct entry EXCEPTION 510a000 CR4: 00000000003506e0 # [ 67.667723] Call Trace: # [[ 68.072312] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 68.086304] #PF: supervisor write access in kernel mode [ 68.092158] #PF: error_code(0x0002) - not-present page [ 68.097914] PGD 0 P4D 0 [ 68.100760] Oops: 0002 [#2] SMP PTI [ 68.104675] CPU: 3 PID: 829 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 68.113260] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.119907] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 68.124892] Code: 48 c7 c7 d8 06 6c 97 8d 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 68.145941] RSP: 0018:ffffa5b8c143fe60 EFLAGS: 00010282 [ 68.151794] RAX: ffffffff966b1b40 RBX: 0000000000000004 RCX: 0000000000000000 [ 68.159790] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9aa0 [ 68.167779] RBP: ffffffff975f5d97 R08: 0000000000000000 R09: 0000000000000000 [ 68.175768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 68.183764] R13: ffffa5b8c143ff10 R14: ffffa5b8c143ff10 R15: ffff93f7c5c15000 [ 68.191764] FS: 00007f9b10b38580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 68.200834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.207277] CR2: 0000000000000000 CR3: 0000000103926000 CR4: 00000000003506e0 [ 68.215273] Call Trace: [ 68.218021] direct_entry.cold+0x2c/0x38 [ 68.222431] full_proxy_write+0x56/0x80 [ 68.226734] vfs_write+0xea/0x390 [ 68.230452] ksys_write+0x68/0xe0 [ 68.234171] do_syscall_64+0x33/0x40 [ 68.238181] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.243850] RIP: 0033:0x7f9b10a60f33 [ 68.247857] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.268906] RSP: 002b:00007ffd85b260b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.277387] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b10a60f33 [ 68.285383] RDX: 000000000000000a RSI: 00007f9b10951000 RDI: 0000000000000001 [ 68.293377] RBP: 00007f9b10951000 R08: 00007f9b10950010 R09: 0000000000000000 [ 68.301376] R10: 00007f9b10b5b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.309369] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.317375] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.333394] CR2: 0000000000000000 [ 68.337112] ---[ end trace 4ce97796d555c3fc ]--- [ 68.342275] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.346672] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 68.367728] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 68.373589] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.381589] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 68.389586] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 68.397583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 68.405579] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 68.413576] FS: 00007f9b10b38580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 68.422646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.429086] CR2: 0000000000000000 CR3: 0000000103926000 CR4: 00000000003506e0 [ 68.437080] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 68.447022] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 829, name: cat [ 68.455405] INFO: lockdep is turned off. [ 68.459795] irq event stamp: 0 [ 68.463215] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.470240] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.479412] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.488581] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.495609] CPU: 3 PID: 829 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 68.504186] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 68.510809] Call Trace: [ 68.513551] dump_stack+0x77/0x97 [ 68.517273] ___might_sleep.cold+0xa6/0xb6 [ 68.521864] exit_signals+0x1c/0x2d0 [ 68.525869] do_exit+0xd5/0xb00 [ 68.529377] ? ksys_write+0x68/0xe0 [ 68.533292] rewind_stack_do_exit+0x17/0x20 [ 68.537979] RIP: 0033:0x7f9b10a60f33 [ 68.541988] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.563039] RSP: 002b:00007ffd85b260b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.571528] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b10a60f33 [ 68.579524] RDX: 000000000000000a RSI: 00007f9b10951000 RDI: 0000000000000001 [ 68.587510] RBP: 00007f9b10951000 R08: 00007f9b10950010 R09: 0000000000000000 [ 68.595495] R10: 00007f9b10b5b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.603489] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 67.670495] direct_entry.cold+0x2c/0x38 # [ 67.674930] full_proxy_write+0x56/0x80 # [ 67.679252] vfs_write+0xea/0x390 # [ 67.682989] ksys_write+0x68/0xe0 # [ 67.692951] do_syscall_64+0x33/0x40 # [ 67.696990] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.702679] RIP: 0033:0x7fa768ce3f33 # [ 67.706711] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.727783] RSP: 002b:00007ffdcd581548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.736280] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fa768ce3f33 # [ 67.744297] RDX: 0000000000000010 RSI: 00007fa768bd4000 RDI: 0000000000000001 # [ 67.752316] RBP: 00007fa768bd4000 R08: 00007fa768bd3010 R09: 0000000000000000 # [ 67.760338] R10: 00007fa768dde1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.768348] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.776397] irq event stamp: 0 # [ 67.786048] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.793088] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.802287] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.811474] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.818514] ---[ end trace 4ce97796d555c3fb ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 68.064394] lkdtm: Performing direct entry EXCEPTION # [ 68.072312] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 68.086304] #PF: supervisor write access in kernel mode # [ 68.092158] #PF: error_code(0x0002) - not-present page # [ 68.097914] PGD 0 P4D 0 # [ 68.100760] Oops: 0002 [#2] SMP PTI # [ 68.104675] CPU: 3 PID: 829 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 68.113260] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.119907] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 68.124892] Code: 48 c7 c7 d8 06 6c 97 8d 70 01 89 35 01 1a 70 02 e8 26 b9 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 68.145941] RSP: 0018:ffffa5b8c143fe60 EFLAGS: 00010282 # [ 68.151794] RAX: ffffffff966b1b40 RBX: 0000000000000004 RCX: 0000000000000000 # [ 68.159790] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9aa0 # [ 68.167779] RBP: ffffffff975f5d97 R08: 0000000000000000 R09: 0000000000000000 # [ 68.175768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 68.183764] R13: ffffa5b8c143ff10 R14: ffffa5b8c143ff10 R15: ffff93f7c5c15000 # [ 68.191764] FS: 00007f9b10b38580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 68.200834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.207277] CR2: 0000000000000000 CR3: 0000000103926000 CR4: 00000000003506e0 # [ 68.215273] Call Trace: # [ 68.218021] direct_entry.cold+0x2c/0x38 # [ 68.222431] full_proxy_write+0x56/0x80 # [ 68.226734] vfs_write+0xea/0x390 # [ 68.230452] ksys_write+0x68/0xe0 # [ 68.234171] do_syscall_64+0x33/0x40 # [ 68.238181] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.243850] RIP: 0033:0x7f9b10a60f33 # [ 68.247857] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.268906] RSP: 002b:00007ffd85b260b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.277387] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b10a60f33 # [ 68.285383] RDX: 000000000000000a RSI: 00007f9b10951000 RDI: 0000000000000001 # [ 68.293377] RBP: 00007f9b10951000 R08: 00007f9b10950010 R09: 0000000000000000 # [ 68.301376] R10: 00007f9b10b5b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.309369] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.317375] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.333394] CR2: 0000000000000000 # [ 68.337112] ---[ end trace 4ce97796d555c3fc ]--- # [ 68.342275] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 68.346672] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 68.367728] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 68.373589] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.381589] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 68.389586] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 68.397583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 68.405579] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 68.413576] FS: 00007f9b10b38580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 68.422646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.429086] CR2: 0000000000000000 CR3: 0000000103926000 CR4: 00000000003506e0 # [ 68.437080] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 68.447022] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 829, name: cat # [ 68.455405] INFO: lockdep is turned off. # [ 68.459795] irq event stamp: 0 # [ 68.463215] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.470240] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.479412] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.488581] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.495609] CPU: 3 PID: 829 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 68.504186] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.510809] Call Trace: # [ 68.513551] dump_stack+0x77/0x97 # [ 68.517273] ___might_sleep.cold+0xa6/0xb6 # [ 68.521864] exit_signals+0x1c/0x2d0 # [ 68.525869] do_exit+0xd5/0xb00 # [ 68.529377] ? ksys_write+0x68/0xe0 # [ 68.533292] rewind_stack_do_exit+0x17/0x20 # [ 68.537979] RIP: 0033:0x7f9b10a60f33 # [ 68.541988] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.563039] RSP: 002b:00007ffd85b260b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.571528] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b10a60f33 # [ 68.579524] RDX: 000000000000000a RSI: 00007f9b10951000 RDI: 0000000000000001 # [ 68.587510] RBP: 00007f9b10951000 R08: 00007f9b10950010 R09: 0000000000000000 # [ 68.595495] R10: 00007f9b10b5b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.603489] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 69.464038] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 69.470326] lkdtm: attempting good list addition [ 69.475535] lkdtm: attempting corrupted list addition [ 69.481233] lkdtm: list_add() corruption not detected! # [ 69.464038] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 69.470326] lkdtm: attempting good list addition # [ 69.475535] lkdtm: attempting corrupted list addition # [ 69.481233] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh [ 69.738158] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 69.744449] lkdtm: attempting good list removal [ 69.749557] lkdtm: attempting corrupted list removal [ 69.755216] lkdtm: list_del() corruption not detected! # [ 69.738158] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 69.744449] lkdtm: attempting good list removal # [ 69.749557] lkdtm: attempting corrupted list removal # [ 69.755216] 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 [ 70.015272] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 70.022329] lkdtm: attempting bad read from page below current stack [ 70.029503] BUG: stack guard page was hit at 00000000bd4023b3 (stack is 000000002fbadc85..000000007ec11b89) [ 70.040407] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 70.047231] CPU: 1 PID: 1054 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 70.055900] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.062533] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 70.069069] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 78 0a 6c 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 b8 0a 6c 97 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 70.090115] RSP: 0018:ffffa5b8c17a7e50 EFLAGS: 00010246 [ 70.095980] RAX: 0000000000000038 RBX: ffffa5b8c17a4000 RCX: 0000000000000000 [ 70.103979] RDX: 0000000000000000 RSI: ffff93f83bc9bf70 RDI: ffffffff976c0ab8 [ 70.111982] RBP: ffffffff976c01e2 R08: 0000000000000000 R09: 0000000000000000 [ 70.119979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 70.127982] R13: ffffa5b8c17a7f10 R14: ffffa5b8c17a7f10 R15: ffff93f7c53b1000 [ 70.135988] FS: 00007f6a9a2ce580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 70.145062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.151504] CR2: ffffa5b8c17a3fff CR3: 0000000103378000 CR4: 00000000003506e0 [ 70.159505] Call Trace: [ 70.162255] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 70.167341] direct_entry.cold+0x2c/0x38 [ 70.171748] full_proxy_write+0x56/0x80 [ 70.176055] vfs_write+0xea/0x390 [ 70.179776] ksys_write+0x68/0xe0 [ 70.183499] do_syscall_64+0x33/0x40 [ 70.187511] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.193179] RIP: 0033:0x7f6a9a1f6f33 [ 70.197187] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.218233] RSP: 002b:00007ffc59fba5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.226727] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6a9a1f6f33 [ 70.234726] RDX: 0000000000000019 RSI: 00007f6a9a0e7000 RDI: 0000000000000001 [ 70.242727] RBP: 00007f6a9a0e7000 R08: 00007f6a9a0e6010 R09: 0000000000000000 [ 70.250723] R10: 00007f6a9a2f11c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.258725] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.266732] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.282749] ---[ end trace 4ce97796d555c3fd ]--- [ 70.287931] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 70.292330] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 70.313365] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 70.319226] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 70.327220] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 70.335205] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 70.343201] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.351185] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 70.359174] FS: 00007f6a9a2ce580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 70.368226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.374664] CR2: ffffa5b8c17a3fff CR3: 0000000103378000 CR4: 00000000003506e0 [ 70.382654] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 70.392600] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1054, name: cat [ 70.401088] INFO: lockdep is turned off. [ 70.405484] irq event stamp: 0 [ 70.408908] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.415936] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.425109] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 70.434275] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.441293] CPU: 1 PID: 1054 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 70.449960] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.456590] Call Trace: [ 70.459338] dump_stack+0x77/0x97 [ 70.463059] ___might_sleep.cold+0xa6/0xb6 [ 70.467655] exit_signals+0x1c/0x2d0 [ 70.471667] do_exit+0xd5/0xb00 [ 70.475190] ? ksys_write+0x68/0xe0 [ 70.479104] rewind_stack_do_exit+0x17/0x20 [ 70.483796] RIP: 0033:0x7f6a9a1f6f33 [ 70.487795] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.508837] RSP: 002b:00007ffc59fba5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.517330] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6a9a1f6f33 [ 70.525331] RDX: 0000000000000019 RSI: 00007f6a9a0e7000 RDI: 0000000000000001 [ 70.533331] RBP: 00007f6a9a0e7000 R08: 00007f6a9a0e6010 R09: 0000000000000000 [ 70.541334] R10: 00007f6a9a2f11c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.549334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 70.015272] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 70.022329] lkdtm: attempting bad read from page below current stack # [ 70.029503] BUG: stack guard page was hit at 00000000bd4023b3 (stack is 000000002fbadc85..000000007ec11b89) # [ 70.040407] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 70.047231] CPU: 1 PID: 1054 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 70.055900] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.062533] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 70.069069] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 78 0a 6c 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 b8 0a 6c 97 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 70.090115] RSP: 0018:ffffa5b8c17a7e50 EFLAGS: 00010246 # [ 70.095980] RAX: 0000000000000038 RBX: ffffa5b8c17a4000 RCX: 0000000000000000 # [ 70.103979] RDX: 0000000000000000 RSI: ffff93f83bc9bf70 RDI: ffffffff976c0ab8 # [ 70.111982] RBP: ffffffff976c01e2 R08: 0000000000000000 R09: 0000000000000000 # [ 70.119979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 70.127982] R13: ffffa5b8c17a7f10 R14: ffffa5b8c17a7f10 R15: ffff93f7c53b1000 # [ 70.135988] FS: 00007f6a9a2ce580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 70.145062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.151504] CR2: ffffa5b8c17a3fff CR3: 0000000103378000 CR4: 00000000003506e0 # [ 70.159505] Call Trace: # [ 70.162255] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 70.167341] direct_entry.cold+0x2c/0x38 # [ 70.171748] full_proxy_write+0x56/0x80 # [ 70.176055] vfs_write+0xea/0x390 # [ 70.179776] ksys_write+0x68/0xe0 # [ 70.183499] do_syscall_64+0x33/0x40 # [ 70.187511] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.193179] RIP: 0033:0x7f6a9a1f6f33 # [ 70.197187] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.218233] RSP: 002b:00007ffc59fba5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.226727] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6a9a1f6f33 # [ 70.234726] RDX: 0000000000000019 RSI: 00007f6a9a0e7000 RDI: 0000000000000001 # [ 70.242727] RBP: 00007f6a9a0e7000 R08: 00007f6a9a0e6010 R09: 0000000000000000 # [ 70.250723] R10: 00007f6a9a2f11c0 R11: 0000000000000246 R12: 0000000000000001 # [ [ 70.846808] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 70.258725] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 70.857111] lkdtm: attempting bad read from page above current stack 0000000020000 # [ 70.266732] Modules linked in: fuse ip_table[ 70.870518] BUG: stack guard page was hit at 00000000cc58477f (stack is 0000000024a760e0..00000000aa60f416) [ 70.887627] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 70.894453] CPU: 0 PID: 1087 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 70.903136] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.909784] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 70.916425] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 0a 6c 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 30 0b 6c 97 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 70.937475] RSP: 0018:ffffa5b8c180fe50 EFLAGS: 00010246 [ 70.943336] RAX: 0000000000000038 RBX: ffffa5b8c180c000 RCX: 0000000000000000 [ 70.951331] RDX: 0000000000000000 RSI: ffff93f83bc1bf70 RDI: ffffffff976c0b30 [ 70.959327] RBP: ffffffff976c01fb R08: 0000000000000000 R09: 0000000000000000 [ 70.967326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 70.975327] R13: ffffa5b8c180ff10 R14: ffffa5b8c180ff10 R15: ffff93f7c5078000 [ 70.983327] FS: 00007fd4744f0580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 [ 70.992398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.998838] CR2: ffffa5b8c1810000 CR3: 0000000105000000 CR4: 00000000003506f0 [ 71.006838] Call Trace: [ 71.009585] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 71.015451] direct_entry.cold+0x2c/0x38 [ 71.019857] full_proxy_write+0x56/0x80 [ 71.024164] vfs_write+0xea/0x390 [ 71.027884] ksys_write+0x68/0xe0 [ 71.031601] do_syscall_64+0x33/0x40 [ 71.035611] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.041277] RIP: 0033:0x7fd474418f33 [ 71.045285] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.066336] RSP: 002b:00007fff28b62d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.074829] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fd474418f33 [ 71.082826] RDX: 000000000000001a RSI: 00007fd474309000 RDI: 0000000000000001 [ 71.090824] RBP: 00007fd474309000 R08: 00007fd474308010 R09: 0000000000000000 [ 71.098814] R10: 00007fd4745131c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.106814] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [s c ros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_charde 71.114826] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.136987] ---[ end trace 4ce97796d555c3fe ]--- [ 71.142167] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 71.146564] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 71.167613] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 71.173472] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 71.181470] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 71.189468] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 71.197462] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 71.205459] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 71.213454] FS: 00007fd4744f0580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 [ 71.222524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.228965] CR2: ffffa5b8c1810000 CR3: 0000000105000000 CR4: 00000000003506f0 [ 71.236965] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 71.246906] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1087, name: cat [ 71.255391] INFO: lockdep is turned off. [ 71.259785] irq event stamp: 0 [ 71.263206] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.270238] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 71.279410] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 71.288582] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.295608] CPU: 0 PID: 1087 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 71.304284] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.310916] Call Trace: [ 71.313663] dump_stack+0x77/0x97 [ 71.317384] ___might_sleep.cold+0xa6/0xb6 [ 71.321981] exit_signals+0x1c/0x2d0 [ 71.325991] do_exit+0xd5/0xb00 [ 71.329509] ? ksys_write+0x68/0xe0 [ 71.333420] rewind_stack_do_exit+0x17/0x20 [ 71.338102] RIP: 0033:0x7fd474418f33 [ 71.342105] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.363129] RSP: 002b:00007fff28b62d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.371597] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fd474418f33 [ 71.379579] RDX: 000000000000001a RSI: 00007fd474309000 RDI: 0000000000000001 [ 71.387569] RBP: 00007fd474309000 R08: 00007fd474308010 R09: 0000000000000000 [ 71.395550] R10: 00007fd4745131c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.403551] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.282749] ---[ end trace 4ce97796d555c3fd ]--- # [ 70.287931] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 70.292330] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 70.313365] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 70.319226] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 70.327220] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 70.335205] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 70.343201] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 70.351185] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 70.359174] FS: 00007f6a9a2ce580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 70.368226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.374664] CR2: ffffa5b8c17a3fff CR3: 0000000103378000 CR4: 00000000003506e0 # [ 70.382654] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 70.392600] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1054, name: cat # [ 70.401088] INFO: lockdep is turned off. # [ 70.405484] irq event stamp: 0 # [ 70.408908] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.415936] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.425109] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.434275] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.441293] CPU: 1 PID: 1054 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 70.449960] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.456590] Call Trace: # [ 70.459338] dump_stack+0x77/0x97 # [ 70.463059] ___might_sleep.cold+0xa6/0xb6 # [ 70.467655] exit_signals+0x1c/0x2d0 # [ 70.471667] do_exit+0xd5/0xb00 # [ 70.475190] ? ksys_write+0x68/0xe0 # [ 70.479104] rewind_stack_do_exit+0x17/0x20 # [ 70.483796] RIP: 0033:0x7f6a9a1f6f33 # [ 70.487795] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.508837] RSP: 002b:00007ffc59fba5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.517330] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6a9a1f6f33 # [ 70.525331] RDX: 0000000000000019 RSI: 00007f6a9a0e7000 RDI: 0000000000000001 # [ 70.533331] RBP: 00007f6a9a0e7000 R08: 00007f6a9a0e6010 R09: 0000000000000000 # [ 70.541334] R10: 00007f6a9a2f11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.549334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests[ 71.704482] lkdtm: Performing direct entry UNSET_SMEP [ 71.710361] lkdtm: trying to clear SMEP normally [ 71.715571] ------------[ cut here ]------------ [ 71.720770] pinned CR4 bits changed: 0x100000!? : lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_[ 71.725897] WARNING: CPU: 2 PID: 1123 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 70.846808] l[ 71.742314] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.764526] CPU: 2 PID: 1123 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 71.773225] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 71.779890] RIP: 0010:native_write_cr4+0x41/0x60 [ 71.785090] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fc 5f 97 c6 05 cc d8 c3 01 01 e8 85 d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 71.806213] RSP: 0018:ffffa5b8c189fe48 EFLAGS: 00010286 [ 71.812121] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 [ 71.820146] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 71.828168] RBP: ffffffff976c0215 R08: 0000000000000000 R09: 0000000000000000 [ 71.836179] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 71.844199] R13: ffffa5b8c189ff10 R14: ffffa5b8c189ff10 R15: ffff93f7c5c11000 [ 71.852215] FS: 00007f4340318580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 71.861290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.867750] CR2: 00007f4340131000 CR3: 0000000105396000 CR4: 00000000003506e0 [ 71.875766] Call Trace: [ 71.878522] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 71.883423] direct_entry.cold+0x2c/0x38 [ 71.887839] full_proxy_write+0x56/0x80 [ 71.892158] vfs_write+0xea/0x390 [ 71.895898] ksys_write+0x68/0xe0 [ 71.899635] do_syscall_64+0x33/0x40 [ 71.903663] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.909345] RIP: 0033:0x7f4340240f33 [ 71.913371] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.934432] RSP: 002b:00007ffeee825278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.942939] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4340240f33 [ 71.950953] RDX: 000000000000000b RSI: 00007f4340131000 RDI: 0000000000000001 [ 71.958966] RBP: 00007f4340131000 R08: 00007f4340130010 R09: 0000000000000000 [ 71.966983] R10: 00007f434033b1c0 R11: 0000000000000246 R12: 0000000000000001 kdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 7[ 71.975002] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.989274] irq event stamp: 0 [ 71.992713] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.999756] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 72.008942] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 72.018129] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.025179] ---[ end trace 4ce97796d555c3ff ]--- [ 72.030367] lkdtm: ok: SMEP did not get cleared 0.857111] lkdtm: attempting bad read from page above current sta[ 72.035451] lkdtm: trying to clear SMEP with call gadget ck # [ 70.870518] BUG: stack guard page was hit at 00000000cc[ 72.047630] lkdtm: ok: SMEP removal was reverted 58477f (stack is 0000000024a760e0..00000000aa60f416) # [ 70.887627] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 70.894453] CPU: 0 PID: 1087 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 70.903136] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.909784] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 70.916425] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 0a 6c 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 30 0b 6c 97 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 70.937475] RSP: 0018:ffffa5b8c180fe50 EFLAGS: 00010246 # [ 70.943336] RAX: 0000000000000038 RBX: ffffa5b8c180c000 RCX: 0000000000000000 # [ 70.951331] RDX: 0000000000000000 RSI: ffff93f83bc1bf70 RDI: ffffffff976c0b30 # [ 70.959327] RBP: ffffffff976c01fb R08: 0000000000000000 R09: 0000000000000000 # [ 70.967326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 70.975327] R13: ffffa5b8c180ff10 R14: ffffa5b8c180ff10 R15: ffff93f7c5078000 # [ 70.983327] FS: 00007fd4744f0580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 # [ 70.992398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.998838] CR2: ffffa5b8c1810000 CR3: 0000000105000000 CR4: 00000000003506f0 # [ 71.006838] Call Trace: # [ 71.009585] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 71.015451] direct_entry.cold+0x2c/0x38 # [ 71.019857] full_proxy_write+0x56/0x80 # [ 71.024164] vfs_write+0xea/0x390 # [ 71.027884] ksys_write+0x68/0xe0 # [ 71.031601] do_syscall_64+0x33/0x40 # [ 71.035611] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.041277] RIP: 0033:0x7fd474418f33 # [ 71.045285] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.066336] RSP: 002b:00007fff28b62d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.074829] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fd474418f33 # [ 71.082826] RDX: 000000000000001a RSI: 00007fd474309000 RDI: 0000000000000001 # [ 71.090824] RBP: 00007fd474309000 R08: 00007fd474308010 R09: 0000000000000000 # [ 71.098814] R10: 00007fd4745131c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.106814] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.114826] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.136987][ 72.314425] lkdtm: Performing direct entry DOUBLE_FAULT [ 72.320387] lkdtm: XFAIL: this test is ia32-only ---[ end trace 4ce97796d555c3fe ]--- # [ 71.142167] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 71.146564] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 71.167613] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 71.173472] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 71.181470] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 71.189468] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 71.197462] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 71.205459] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 71.213454] FS: 00007fd4744f0580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 # [ 71.222524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.228965] CR2: ffffa5b8c1810000 CR3: 0000000105000000 CR4: 00000000003506f0 # [ 71.236965] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 71.246906] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1087, name: cat # [ 71.255391] INFO: lockdep is turned off. # [ 71.259785] irq event stamp: 0 # [ 71.263206] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.270238] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.279410] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.288582] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.295608] CPU: 0 PID: 1087 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 71.304284] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.310916] Call Trace: # [ 71.313663] dump_stack+0x77/0x97 # [ 71.317384] ___might_sleep.cold+0xa6/0xb6 # [ 71.321981] exit_signals+0x1c/0x2d0 # [ 71.325991] do_exit+0xd5/0xb00 # [ 71.329509] ? ksys_write+0x68/0xe0 # [ 71.333420] rewind_stack_do_exit+0x17/0x20 # [ 71.338102] RIP: 0033:0x7fd474418f33 # [ 71.342105] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.363129] RSP: 002b:00007fff28b62d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.371597] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fd474418f33 # [ 71.379579] RDX: 000000000000001a RSI: 00007fd474309000 RDI: 0000000000000001 # [ 71.387569] RBP: 00007fd474309000 R08: 00007fd474308010 R09: 0[ 72.580857] lkdtm: Performing direct entry CORRUPT_PAC 000000000000000 # [ 71.395550] R10: 00007fd4745131c0 R11: 000[ 72.592982] lkdtm: XFAIL: this test is arm64-only 0000000000246 R12: 0000000000000001 # [ 71.403551] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 71.704482] lkdtm: Performing direct entry UNSET_SMEP # [ 71.710361] lkdtm: trying to clear SMEP normally # [ 71.715571] ------------[ cut here ]------------ # [ 71.720770] pinned CR4 bits changed: 0x100000!? # [ 71.725897] WARNING: CPU: 2 PID: 1123 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 71.742314] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.764526] CPU: 2 PID: 1123 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 71.773225] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.779890] RIP: 0010:native_write_cr4+0x41/0x60 # [ 71.785090] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fc 5f 97 c6 05 cc d8 c3 01 01 e8 85 d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 71.806213] RSP: 0018:ffffa5b8c189fe48 EFLAGS: 00010286 # [ 71.812121] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 71.820146] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 71.828168] RBP: ffffffff976c0215 R08: 0000000000000000 R09: 0000000000000000 # [ 71.836179] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 71.844199] R13: ffffa5b8c189ff10 R14: ffffa5b8c189ff10 R15: ffff93f7c5c11000 # [ 71.852215] FS: 00007f4340318580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 71.861290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.867750] CR2: 00007f4340131000 CR3: 0000000105396000 CR4: 00000000003506e0 # [ 71.875766] Call Trace: # [ 71.878522] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 71.883423] direct_entry.cold+0x2c/0x38 # [ 71.887839] full_proxy_write+0x56/0x80 # [ 71.892158] vfs_write+0xea/0x390 # [ 71.895898] ksys_write+0x68/0xe0 # [ 71.899635] do_syscall_64+0x33/0x40 # [ 71.903663] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.909345] RIP: 0033:0x7f4340240f33 # [ 71.913371] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.934432] RSP: 002b:00007ffeee825278 EFLAGS: 00000246 ORIG_RAX: 000000000000[ 72.857050] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 72.866886] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 0001 # [ 71.942939] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4340240f33 # [ 71.950953] RDX: 000000000000000b RSI: 00007f4340131000 RDI: 0000000000000001 # [ 71.958966] RBP: 00007f4340131000 R08: 00007f4340130010 R09: 0000000000000000 # [ 71.966983] R10: 00007f434033b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.975002] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.989274] irq event stamp: 0 # [ 71.992713] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.999756] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 72.008942] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 72.018129] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.025179] ---[ end trace 4ce97796d555c3ff ]--- # [ 72.030367] lkdtm: ok: SMEP did not get cleared # [ 72.035451] lkdtm: trying to clear SMEP with call gadget # [ 72.047630] 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 # [ 72.314425] lkdtm: Performing direct entry DOUBLE_FAULT # [ 72.320387] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 72.580857] lkdtm: Performing direct entry CORRUPT_PAC # [ 72.592982] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 72.857050] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 72.866886] 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 [ 73.389418] lkdtm: Performing direct entry READ_AFTER_FREE [ 73.395621] lkdtm: Value in memory before free: 12345678 [ 73.401623] lkdtm: Attempting bad read from freed memory [ 73.407623] lkdtm: Memory was not poisoned # [ 73.389418] lkdtm: Performing direct entry READ_AFTER_FREE # [ 73.395621] lkdtm: Value in memory before free: 12345678 # [ 73.401623] lkdtm: Attempting bad read from freed memory # [ 73.407623] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh [ 73.791291] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 73.798068] lkdtm: Value in memory before free: 12345678 [ 73.804053] lkdtm: Attempting to read from freed memory [ 73.809991] lkdtm: Buddy page was not poisoned # [ 73.791291] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 73.798068] lkdtm: Value in memory before free: 12345678 # [ 73.804053] lkdtm: Attempting to read from freed memory # [ 73.809991] 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 [ 74.081139] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 74.087434] lkdtm: Attempting double slab free ... # [ 74.081139] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 74.087434] 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 [ 74.357443] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 74.363652] lkdtm: Attempting cross-cache slab free ... # [ 74.357443] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 74.363652] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh [ 74.628471] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 74.634549] lkdtm: Attempting non-Slab slab free ... # [ 74.628471] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 74.634549] 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 [ 75.421328] lkdtm: Performing direct entry EXEC_DATA [ 75.426939] lkdtm: attempting ok execution at ffffffff966b1eb0 [ 75.433507] lkdtm: attempting bad execution at ffffffff98db3560 [ 75.440187] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.448585] BUG: unable to handle page fault for address: ffffffff98db3560 [ 75.456299] #PF: supervisor instruction fetch in kernel mode [ 75.462644] #PF: error_code(0x0011) - permissions violation [ 75.468892] PGD 109e29067 P4D 109e29067 PUD 109e2a063 PMD 800000010b2000e3 [ 75.476713] Oops: 0011 [#5] SMP PTI [ 75.480617] CPU: 3 PID: 1630 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 75.489300] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.495944] RIP: 0010:data_area+0x0/0x40 [ 75.500346] Code: ff ff 00 c4 29 c0 f7 93 ff ff 00 c3 29 c0 f7 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 75.521388] RSP: 0018:ffffa5b8c203fe48 EFLAGS: 00010246 [ 75.527250] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.535247] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 [ 75.543243] RBP: ffffffff98db3560 R08: 0000000000000000 R09: 0000000000000000 [ 75.551242] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 75.559236] R13: ffffa5b8c203ff10 R14: ffffa5b8c203ff10 R15: ffff93f7c4bea000 [ 75.567224] FS: 00007fdfbabb4580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 75.576282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.582717] CR2: ffffffff98db3560 CR3: 00000001036f0000 CR4: 00000000003506e0 [ 75.590706] Call Trace: [ 75.593459] ? execute_location+0x48/0x56 [ 75.597955] ? direct_entry.cold+0x2c/0x38 [ 75.602553] ? full_proxy_write+0x56/0x80 [ 75.607047] ? vfs_write+0xea/0x390 [ 75.610960] ? ksys_write+0x68/0xe0 [ 75.614870] ? do_syscall_64+0x33/0x40 [ 75.619074] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.624933] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.640954] CR2: ffffffff98db3560 [ 75.644672] ---[ end trace 4ce97796d555c400 ]--- [ 75.649851] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.654248] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 75.675261] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 75.681104] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.689086] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 75.697074] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 75.705059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.713043] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 75.721032] FS: 00007fdfbabb4580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 75.730087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.736511] CR2: ffffffff98db3560 CR3: 00000001036f0000 CR4: 00000000003506e0 [ 75.744507] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.754443] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1630, name: cat [ 75.762913] INFO: lockdep is turned off. [ 75.767302] irq event stamp: 0 [ 75.770727] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.777752] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 75.786919] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 75.796083] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.803108] CPU: 3 PID: 1630 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 75.811781] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.818419] Call Trace: [ 75.821171] dump_stack+0x77/0x97 [ 75.824884] ___might_sleep.cold+0xa6/0xb6 [ 75.829483] exit_signals+0x1c/0x2d0 [ 75.833490] do_exit+0xd5/0xb00 [ 75.837008] ? ksys_write+0x68/0xe0 [ 75.840921] rewind_stack_do_exit+0x17/0x20 [ 75.845614] RIP: 0033:0x7fdfbaadcf33 [ 75.849618] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.870654] RSP: 002b:00007ffeaf0bd1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.879116] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fdfbaadcf33 [ 75.887096] RDX: 000000000000000a RSI: 00007fdfba9cd000 RDI: 0000000000000001 [ 75.895079] RBP: 00007fdfba9cd000 R08: 00007fdfba9cc010 R09: 0000000000000000 [ 75.903068] R10: 00007fdfbabd71c0 R11: 0000000000000246 R12: 0000000000000001 [ 75.911057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 75.421328] lkdtm: Performing direct entry EXEC_DATA # [ 75.426939] lkdtm: attempting ok execution at ffffffff966b1eb0 # [ 75.433507] lkdtm: attempting bad execution at ffffffff98db3560 # [ 75.440187] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.448585] BUG: unable to handle page fault for address: ffffffff98db3560 # [ 75.456299] #PF: supervisor instruction fetch in kernel mode # [ 75.462644] #PF: error_code(0x0011) - permissions violation # [ 75.468892] PGD 109e29067 P4D 109e29067 PUD 109e2a063 PMD 800000010b2000e3 # [ 75.476713] Oops: 0011 [#5] SMP PTI # [ 75.480617] CPU: 3 PID: 1630 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 75.489300] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.495944] RIP: 0010:data_area+0x0/0x40 # [ 75.500346] Code: ff ff 00 c4 29 c0 f7 93 ff ff 00 c3 29 c0 f7 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 75.521388] RSP: 0018:ffffa5b8c203fe48 EFLAGS: 00010246 # [ 75.527250] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.535247] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 # [ 75.543243] RBP: ffffffff98db3560 R08: 0000000000000000 R09: 0000000000000000 # [ 75.551242] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 75.559236] R13: ffffa5b8c203ff10 R14: ffffa5b8c203ff10 R15: ffff93f7c4bea000 # [ 75.567224] FS: 00007fdfbabb4580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 75.576282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.582717] CR2: ffffffff98db3560 CR3: 00000001036f0000 CR4: 00000000003506e0 # [ 75.590706] Call Trace: # [ 75.593459] ? execute_location+0x48/0x56 # [ 75.597955] ? direct_entry.cold+0x2c/0x38 # [ 75.602553] ? full_proxy_write+0x56/0x80 # [ 75.607047] ? vfs_write+0xea/0x390 # [ 75.610960] ? ksys_write+0x68/0xe0 # [ 75.614870] ? do_syscall_64+0x33/0x40 # [ 75.619074] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 75.624933] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.640954] CR2: ffffffff98db3560 # [ 75.644672] ---[ end trace 4ce97796d555c400 ]--- # [ 75.649851] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.654248] Code: 5b a5 ff 48 c7 c0 ea ff ff ff [ 76.214919] lkdtm: Performing direct entry EXEC_STACK eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc c[ 76.225341] lkdtm: attempting ok execution at ffffffff966b1eb0 c cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 [ 76.238164] lkdtm: attempting bad execution at ffffa5b8c20b7e18 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 75.675261] RSP: 0018:[ 76.251050] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.265579] BUG: unable to handle page fault for address: ffffa5b8c20b7e18 [ 76.273282] #PF: supervisor instruction fetch in kernel mode [ 76.279621] #PF: error_code(0x0011) - permissions violation [ 76.285870] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10593a067 PTE 800000010399b063 [ 76.294947] Oops: 0011 [#6] SMP PTI [ 76.298861] CPU: 3 PID: 1666 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 76.307545] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.314179] RIP: 0010:0xffffa5b8c20b7e18 [ 76.318574] Code: 00 00 18 7e 0b c2 b8 a5 ff ff ad 8d cf 96 ff ff ff ff 20 00 00 00 00 00 00 00 3e 03 6c 97 ff ff ff ff d9 8e cf 96 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 76.339625] RSP: 0018:ffffa5b8c20b7df8 EFLAGS: 00010246 [ 76.345483] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.353484] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 [ 76.361483] RBP: ffffa5b8c20b7e18 R08: 0000000000000000 R09: 0000000000000000 [ 76.369472] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 76.377465] R13: ffffa5b8c20b7f10 R14: ffffa5b8c20b7f10 R15: ffff93f7c321b000 [ 76.385466] FS: 00007fdf112e2580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 76.394539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.400979] CR2: ffffa5b8c20b7e18 CR3: 0000000105940000 CR4: 00000000003506e0 [ 76.408975] Call Trace: [ 76.411726] ? execute_location+0x48/0x56 [ 76.416225] ? lkdtm_EXEC_STACK+0x26/0x40 [ 76.420723] ? direct_entry.cold+0x2c/0x38 [ 76.425321] ? full_proxy_write+0x56/0x80 [ 76.429818] ? vfs_write+0xea/0x390 [ 76.433727] ? ksys_write+0x68/0xe0 [ 76.437639] ? do_syscall_64+0x33/0x40 [ 76.441841] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.447709] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.463734] CR2: ffffa5b8c20b7e18 [ 76.467453] ---[ end trace 4ce97796d555c401 ]--- [ 76.472634] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.477032] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 76.498082] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 76.503939] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.511940] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 76.519941] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 76.527942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.535942] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 76.543940] FS: 00007fdf112e2580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 76.553014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.559457] CR2: ffffa5b8c20b7e18 CR3: 0000000105940000 CR4: 00000000003506e0 ffffa5b8c12efe60 EFLAGS: 00010282 # [ 75.681104] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.689086] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 75.697074] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 75.705059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.713043] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 75.721032] FS: 00007fdfbabb4580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 75.730087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.736511] CR2: ffffffff98db3560 CR3: 00000001036f0000 CR4: 00000000003506e0 # [ 75.744507] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.754443] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1630, name: cat # [ 75.762913] INFO: lockdep is turned off. # [ 75.767302] irq event stamp: 0 # [ 75.770727] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.777752] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.786919] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 75.796083] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.803108] CPU: 3 PID: 1630 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 75.811781] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.818419] Call Trace: # [ 75.821171] dump_stack+0x77/0x97 # [ 75.824884] ___might_sleep.cold+0xa6/0xb6 # [ 75.829483] exit_signals+0x1c/0x2d0 # [ 75.833490] do_exit+0xd5/0xb00 # [ 75.837008] ? ksys_write+0x68/0xe0 # [ 75.840921] rewind_stack_do_exit+0x17/0x20 # [ 75.845614] RIP: 0033:0x7fdfbaadcf33 # [ 75.849618] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.870654] RSP: 002b:00007ffeaf0bd1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.879116] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fdfbaadcf33 # [ 75.887096] RDX: 000000000000000a RSI: 00007fdfba9cd000 RDI: 0000000000000001 # [ 75.895079] RBP: 00007fdfba9cd000 R08: 00007fdfba9cc010 R09: 0000000000000000 # [ 75.903068] R10: 00007fdfbabd71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 75.911057] 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 # [ 76.214919] lkdtm: Performing direct entry EXEC_STACK # [ 76.225341] lkdtm: attempting ok execution at ffffffff966b1eb0 # [ 76.238164] lkdtm: attempting bad execution at ffffa5b8c20b7e18 # [ 76.251050] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.265579] BUG: unable to handle page fault for address: ffffa5b8c20b7e18 # [ 76.273282] #PF: supervisor instruction fetch in kernel mode # [ 76.279621] #PF: error_code(0x0011) - permissions violation # [ 76.285870] PGD 100000067 P4D 100[ 76.878452] lkdtm: Performing direct entry EXEC_KMALLOC 000067 PUD 10020b067 PMD 10593a067 PTE 800000010399b063 # [ 7[ 76.885149] lkdtm: attempting ok execution at ffffffff966b1eb0 6.294947] Oops: 0011 [#6] SMP PTI # [ 76.298861] CPU: 3 PID: [ 76.897963] lkdtm: attempting bad execution at ffff93f7c363af80 1666 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 76.910839] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.925453] BUG: unable to handle page fault for address: ffff93f7c363af80 [ 76.307545] Hardware name: Google Coral/Coral, BIOS 09/29/20[ 76.933163] #PF: supervisor instruction fetch in kernel mode [ 76.945732] #PF: error_code(0x0011) - permissions violation 20 # [ 76.314179] RIP: 0010:0xffffa5b8c20b7e18 # [ 76.3185[ 76.951978] PGD 10b401067 P4D 10b401067 PUD 10004e063 PMD 1058ce063 PTE 800000010363a163 [ 76.967297] Oops: 0011 [#7] SMP PTI 74] Code: 00 00 18 7e 0b c2 b8 a5 ff ff ad 8d cf 96 ff ff ff ff [ 76.971212] CPU: 0 PID: 1702 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 76.986132] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.992776] RIP: 0010:0xffff93f7c363af80 [ 76.997178] Code: 00 00 02 00 00 00 00 00 00 00 40 f8 b8 c4 f7 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 ef 95 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 77.018231] RSP: 0018:ffffa5b8c2127e38 EFLAGS: 00010246 [ 77.024090] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.032091] RDX: 0000000000000000 RSI: ffff93f83bc1bf70 RDI: ffff93f83bc1bf70 [ 77.040093] RBP: ffff93f7c363af80 R08: 0000000000000000 R09: 0000000000000000 [ 77.048092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 77.056094] R13: ffffa5b8c2127f10 R14: ffffa5b8c2127f10 R15: ffff93f7c4116000 [ 77.064095] FS: 00007fc2c4fb5580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 [ 77.073165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.079606] CR2: ffff93f7c363af80 CR3: 0000000103516000 CR4: 00000000003506f0 [ 77.087603] Call Trace: [ 77.090356] ? execute_location+0x48/0x56 [ 77.094860] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 77.099552] ? direct_entry.cold+0x2c/0x38 [ 77.104149] ? full_proxy_write+0x56/0x80 [ 77.108647] ? vfs_write+0xea/0x390 [ 77.112556] ? ksys_write+0x68/0xe0 [ 77.116466] ? do_syscall_64+0x33/0x40 [ 77.120663] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 20 00 00 00 00 00 00 00 3e 03 6c 97 ff ff ff ff d9 8e cf 96 ff f[ 77.126531] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.148784] CR2: ffff93f7c363af80 [ 77.152500] ---[ end trace 4ce97796d555c402 ]--- [ 77.157672] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.162068] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 77.183123] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 77.188982] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.196983] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 77.204983] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 77.212981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.220983] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 77.228985] FS: 00007fc2c4fb5580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 [ 77.238060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.244503] CR2: ffff93f7c363af80 CR3: 0000000103516000 CR4: 00000000003506f0 [ 77.252509] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 77.262446] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1702, name: cat [ 77.270931] INFO: lockdep is turned off. [ 77.275327] irq event stamp: 0 [ 77.278752] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.285782] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 77.294952] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 77.304122] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.311146] CPU: 0 PID: 1702 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 77.319824] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.326457] Call Trace: [ 77.329205] dump_stack+0x77/0x97 [ 77.332925] ___might_sleep.cold+0xa6/0xb6 [ 77.337523] exit_signals+0x1c/0x2d0 [ 77.341533] do_exit+0xd5/0xb00 [ 77.345054] ? ksys_write+0x68/0xe0 [ 77.348962] rewind_stack_do_exit+0x17/0x20 f ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f [ 77.353653] RIP: 0033:0x7fc2c4eddf33 [ 77.363885] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.384938] RSP: 002b:00007ffdd3c19a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 44 00 00 55 # [ 76.339625] RSP: 0018:ffffa5b8c20b7df8 EFLAGS:[ 77.393429] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc2c4eddf33 [ 77.407660] RDX: 000000000000000d RSI: 00007fc2c4dce000 RDI: 0000000000000001 [ 77.415662] RBP: 00007fc2c4dce000 R08: 00007fc2c4dcd010 R09: 0000000000000000 [ 77.423664] R10: 00007fc2c4fd81c0 R11: 0000000000000246 R12: 0000000000000001 [ 77.431665] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00010246 # [ 76.345483] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.353484] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 # [ 76.361483] RBP: ffffa5b8c20b7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 76.369472] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 76.377465] R13: ffffa5b8c20b7f10 R14: ffffa5b8c20b7f10 R15: ffff93f7c321b000 # [ 76.385466] FS: 00007fdf112e2580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 76.394539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.400979] CR2: ffffa5b8c20b7e18 CR3: 0000000105940000 CR4: 00000000003506e0 # [ 76.408975] Call Trace: # [ 76.411726] ? execute_location+0x48/0x56 # [ 76.416225] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 76.420723] ? direct_entry.cold+0x2c/0x38 # [ 76.425321] ? full_proxy_write+0x56/0x80 # [ 76.429818] ? vfs_write+0xea/0x390 # [ 76.433727] ? ksys_write+0x68/0xe0 # [ 76.437639] ? do_syscall_64+0x33/0x40 # [ 76.441841] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 76.447709] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.463734] CR2: ffffa5b8c20b7e18 # [ 76.467453] ---[ end trace 4ce97796d555c401 ]--- # [ 76.472634] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.477032] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 76.498082] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 76.503939] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.511940] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 76.519941] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 76.527942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.535942] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 76.543940] FS: 00007fdf112e2580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 76.553014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.559457] CR2: ffffa5b8c20b7e18 CR3: 0000000105940000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 76.878452] lkdtm: Performing direct entry EXEC_KMALLOC # [ 76.885149] lkdtm: attempting ok execution at ffffffff966b1eb0 # [ 76.897963] lkdtm: attempting bad execution at ffff93f7c363af80 # [ 76.910839] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.925453] BUG: unable to handle page fault for address: ffff93f7c363af80 # [ 76.933163] #PF: supervisor instruction fetch in kernel mode # [ 76.945732] #PF: error_code(0x0011) - permissions violation # [ 76.951978] PGD 10b401067 P4D 10b401067 PUD 10004e063 PMD 1058ce063 PTE 800000010363a163 # [ [ 77.734851] lkdtm: Performing direct entry EXEC_VMALLOC 76.967297] Oops: 0011 [#7] SMP PTI # [ 76.971212] CPU: 0 PI[ 77.744980] lkdtm: attempting ok execution at ffffffff966b1eb0 D: 1702 Comm: cat Tainted: G D W 5.10.128-cip10 #1[ 77.757769] lkdtm: attempting bad execution at ffffa5b8c069b000 # [ 76.986132] Hardware name: Google Coral/Coral, BIOS 09/29[ 77.770677] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.785208] BUG: unable to handle page fault for address: ffffa5b8c069b000 [ 77.792913] #PF: supervisor instruction fetch in kernel mode [ 77.799256] #PF: error_code(0x0011) - permissions violation [ 77.805496] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1059cd067 PTE 800000010412a063 [ 77.814578] Oops: 0011 [#8] SMP PTI [ 77.818492] CPU: 3 PID: 1738 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 77.827163] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.833803] RIP: 0010:0xffffa5b8c069b000 [ 77.838204] Code: Unable to access opcode bytes at RIP 0xffffa5b8c069afd6. [ 77.845909] RSP: 0018:ffffa5b8c21a7e38 EFLAGS: 00010246 [ 77.851757] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.859753] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 [ 77.867746] RBP: ffffa5b8c069b000 R08: 0000000000000000 R09: 0000000000000000 [ 77.875743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 77.883738] R13: ffffa5b8c21a7f10 R14: ffffa5b8c21a7f10 R15: ffff93f7c412a000 [ 77.891730] FS: 00007f8709219580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 77.900790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.907227] CR2: ffffa5b8c069afd6 CR3: 000000010324a000 CR4: 00000000003506e0 [ 77.915218] Call Trace: [ 77.917966] ? execute_location+0x48/0x56 [ 77.922461] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 77.927147] ? direct_entry.cold+0x2c/0x38 [ 77.931745] ? full_proxy_write+0x56/0x80 [ 77.936244] ? vfs_write+0xea/0x390 [ 77.940153] ? ksys_write+0x68/0xe0 [ 77.944066] ? do_syscall_64+0x33/0x40 [ 77.948262] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.954124] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.970141] CR2: ffffa5b8c069b000 [ 77.973856] ---[ end trace 4ce97796d555c403 ]--- [ 77.979029] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.983429] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 78.004471] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 78.010318] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.018315] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 78.026313] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 78.034310] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.042298] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 78.050285] FS: 00007f8709219580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 78.059354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.065787] CR2: ffffa5b8c069afd6 CR3: 000000010324a000 CR4: 00000000003506e0 [ 78.073782] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.083703] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1738, name: cat [ 78.092182] INFO: lockdep is turned off. [ 78.096566] irq event stamp: 0 [ 78.099981] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.107006] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 78.116173] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 78.125337] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.132357] CPU: 3 PID: 1738 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 78.141036] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.147661] Call Trace: [ 78.150404] dump_stack+0x77/0x97 [ 78.154122] ___might_sleep.cold+0xa6/0xb6 [ 78.158711] exit_signals+0x1c/0x2d0 [ 78.162718] do_exit+0xd5/0xb00 [ 78.166243] ? ksys_write+0x68/0xe0 [ 78.170159] rewind_stack_do_exit+0x17/0x20 [ 78.174849] RIP: 0033:0x7f8709141f33 [ 78.178858] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.199907] RSP: 002b:00007fff1ec48a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.208399] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8709141f33 [ 78.216392] RDX: 000000000000000d RSI: 00007f8709032000 RDI: 0000000000000001 [ 78.224393] RBP: 00007f8709032000 R08: 00007f8709031010 R09: 0000000000000000 [ 78.232393] R10: 00007f870923c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 78.240384] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 /2020 # [ 76.992776] RIP: 0010:0xffff93f7c363af80 # [ 76.997178] Code: 00 00 02 00 00 00 00 00 00 00 40 f8 b8 c4 f7 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 ef 95 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 77.018231] RSP: 0018:ffffa5b8c2127e38 EFLAGS: 00010246 # [ 77.024090] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.032091] RDX: 0000000000000000 RSI: ffff93f83bc1bf70 RDI: ffff93f83bc1bf70 # [ 77.040093] RBP: ffff93f7c363af80 R08: 0000000000000000 R09: 0000000000000000 # [ 77.048092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 77.056094] R13: ffffa5b8c2127f10 R14: ffffa5b8c2127f10 R15: ffff93f7c4116000 # [ 77.064095] FS: 00007fc2c4fb5580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 # [ 77.073165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.079606] CR2: ffff93f7c363af80 CR3: 0000000103516000 CR4: 00000000003506f0 # [ 77.087603] Call Trace: # [ 77.090356] ? execute_location+0x48/0x56 # [ 77.094860] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 77.099552] ? direct_entry.cold+0x2c/0x38 # [ 77.104149] ? full_proxy_write+0x56/0x80 # [ 77.108647] ? vfs_write+0xea/0x390 # [ 77.112556] ? ksys_write+0x68/0xe0 # [ 77.116466] ? do_syscall_64+0x33/0x40 # [ 77.120663] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 77.126531] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.148784] CR2: ffff93f7c363af80 # [ 77.152500] ---[ end trace 4ce97796d555c402 ]--- # [ 77.157672] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.162068] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 77.183123] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 77.188982] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.196983] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 77.204983] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 77.212981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 77.220983] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 77.228985] FS: 00007fc2c4fb5580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 # [ 77.238060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.244503] CR2: ffff93f7c363af80 CR3: 0000000103516000 CR4: 00000000003506f0 # [ 77.252509] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 77.262446] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1702, name: cat # [ 77.270931] INFO: lockdep is turned off. # [ 77.275327] irq event stamp: 0 # [ 77.278752] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.285782] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.294952] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 77.304122] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.311146] CPU: 0 PID: 1702 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 77.319824] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.326457] Call Trace: # [ 77.329205] dump_stack+0x77/0x97 # [ 77.332925] ___might_sleep.cold+0xa6/0xb6 # [ 77.337523[ 78.594658] lkdtm: Performing direct entry EXEC_RODATA ] exit_signals+0x1c/0x2d0 # [ 77.341533] do_exit+0xd5/0xb00[ 78.603215] lkdtm: attempting ok execution at ffffffff966b1eb0 # [ 77.345054] ? ksys_write+0x68/0xe0 # [ 77.348962] re[ 78.616002] lkdtm: attempting bad execution at ffffffff972d9f00 wind_stack_do_exit+0x17/0x20 # [ 77.353653] RIP: 0033:0x7fc2c[ 78.628898] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 78.643471] BUG: unable to handle page fault for address: ffffffff972d9f00 [ 78.651172] #PF: supervisor instruction fetch in kernel mode [ 78.657509] #PF: error_code(0x0011) - permissions violation [ 78.663752] PGD 109e29067 P4D 109e29067 PUD 109e2a063 PMD 80000001098001e1 [ 78.671568] Oops: 0011 [#9] SMP PTI [ 78.675483] CPU: 0 PID: 1774 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 78.684154] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.690798] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 78.696559] Code: ff ff d9 a2 cf 96 ff ff ff ff 8a 05 6c 97 ff ff ff ff 8f 8a cf 96 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 78.717547] RSP: 0018:ffffa5b8c224fe48 EFLAGS: 00010246 [ 78.723397] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.731379] RDX: 0000000000000000 RSI: ffff93f83bc1bf70 RDI: ffff93f83bc1bf70 [ 78.739366] RBP: ffffffff972d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 78.747357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 78.755337] R13: ffffa5b8c224ff10 R14: ffffa5b8c224ff10 R15: ffff93f7c4145000 [ 78.763318] FS: 00007fdc10ef5580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 [ 78.772371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.778804] CR2: ffffffff972d9f00 CR3: 00000001053ae000 CR4: 00000000003506f0 [ 78.786787] Call Trace: [ 78.789530] ? execute_location+0x48/0x56 [ 78.794022] ? direct_entry.cold+0x2c/0x38 [ 78.798612] ? full_proxy_write+0x56/0x80 [ 78.803099] ? vfs_write+0xea/0x390 [ 78.807000] ? ksys_write+0x68/0xe0 [ 78.810903] ? do_syscall_64+0x33/0x40 [ 78.815094] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 4eddf33 # [ 77.363885] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02[ 78.820942] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.843110] CR2: ffffffff972d9f00 [ 78.846818] ---[ end trace 4ce97796d555c404 ]--- [ 78.851981] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.856372] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 78.877405] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 78.883256] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.891249] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 78.899226] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 78.907201] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.915179] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 78.923166] FS: 00007fdc10ef5580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 [ 78.932226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.938659] CR2: ffffffff972d9f00 CR3: 00000001053ae000 CR4: 00000000003506f0 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.384938] RSP: 002b:00007ffdd3c19a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.393429] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc2c4eddf33 # [ 77.407660] RDX: 000000000000000d RSI: 00007fc2c4dce000 RDI: 0000000000000001 # [ 77.415662] RBP: 00007fc2c4dce000 R08: 00007fc2c4dcd010 R09: 0000000000000000 # [ 77.423664] R10: 00007fc2c4fd81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 77.431665] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 77.734851] lkdtm: Performing direct entry EXEC_VMALLOC # [ 77.744980] lkdtm: attempting ok execution at ffffffff966b1eb0 # [ 77.757769] lkdtm: attempting bad execution at ffffa5b8c069b000 # [ 77.770677] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.785208] BUG: unable to handle page fault for address: ffffa5b8c069b000 # [ 77.792913] #PF: supervisor instruction fetch in kernel mode # [ 77.799256] #PF: error_code(0x0011) - permissions violation # [ 77.805496] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1059cd067 PTE 800000010412a063 # [ 77.814578] Oops: 0011 [#8] SMP PTI # [ 77.818492] CPU: 3 PID: 1738 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 77.827163] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.833803] RIP: 0010:0xffffa5b8c069b000 # [ 77.838204] Code: Unable to access opcode bytes at RIP 0xffffa5b8c069afd6. # [ 77.845909] RSP: 0018:ffffa5b8c21a7e38 EFLAGS: 00010246 # [ 77.851757] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.859753] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 # [ 77.867746] RBP: ffffa5b8c069b000 R08: 0000000000000000 R09: 0000000000000000 # [ 77.875743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 77.883738] R13: ffffa5b8c21a7f10 R14: ffffa5b8c21a7f10 R15: ffff93f7c412a000 # [ 77.891730] FS: 00007f8709219580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 77.900790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.907227] CR2: ffffa5b8c069afd6 CR3: 000000010324a000 CR4: 00000000003506e0 # [ 77.915218] Call Trace: # [ 77.917966] ? execute_location+0x48/0x56 # [ 77.922461] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 77.927147] ? direct_entry.cold+0x2c/0x38 # [ 77.931745] ? full_proxy_write+0x56/0x80 # [ 77.936244] ? vfs_write+0xea/0x390 # [ 77.940153] ? ksys_write+0x68/0xe0 # [ 77.944066] ? do_syscall_64+0x33/0x40 # [ 77.948262] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 77.954124] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal [ 79.238580] lkdtm: Performing direct entry EXEC_USERSPACE [ 79.245491] lkdtm: attempting ok execution at ffffffff966b1eb0 cros_ec_dev cros_usbpd_notify # [ 77.970141] CR2: ffffa5b8c06[ 79.252121] lkdtm: attempting bad execution at 00007f337a936000 9b000 # [ 77.973856] ---[ end trace 4ce97796d555c403 ]--- # [ 79.265008] unable to execute userspace code (SMEP?) (uid: 0) [ 79.277675] BUG: unable to handle page fault for address: 00007f337a936000 [ 79.285382] #PF: supervisor instruction fetch in kernel mode [ 79.291715] #PF: error_code(0x0011) - permissions violation [ 77.979029] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.983429] Co[ 79.297961] PGD 8000000104115067 P4D 8000000104115067 PUD 1029d5067 PMD 104100067 PTE 11736b067 [ 79.313949] Oops: 0011 [#10] SMP PTI [ 79.317955] CPU: 1 PID: 1810 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 79.326621] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.333258] RIP: 0010:0x7f337a936000 [ 79.337259] Code: Unable to access opcode bytes at RIP 0x7f337a935fd6. [ 79.344570] RSP: 0018:ffffa5b8c22c7e50 EFLAGS: 00010246 [ 79.350428] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 79.358430] RDX: 0000000000000000 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 [ 79.366426] RBP: 00007f337a936000 R08: 0000000000000000 R09: 0000000000000000 [ 79.374418] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 79.382412] R13: ffffa5b8c22c7f10 R14: ffffa5b8c22c7f10 R15: ffff93f7c32dd000 [ 79.390403] FS: 00007f337a907580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 79.399463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.405902] CR2: 00007f337a936000 CR3: 0000000105b8c000 CR4: 00000000003506e0 [ 79.413902] Call Trace: [ 79.416655] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 79.422030] ? direct_entry.cold+0x2c/0x38 [ 79.426626] ? full_proxy_write+0x56/0x80 [ 79.431123] ? vfs_write+0xea/0x390 [ 79.435037] ? ksys_write+0x68/0xe0 [ 79.438950] ? do_syscall_64+0x33/0x40 [ 79.443158] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 de: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 [ 79.449026] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.471273] CR2: 00007f337a936000 [ 79.474983] ---[ end trace 4ce97796d555c405 ]--- [ 79.480158] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.484557] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 79.505600] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 79.511459] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.519458] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 79.527459] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 79.535460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.543461] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 79.551461] FS: 00007f337a907580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 79.560533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.566974] CR2: 00007f337a936000 CR3: 0000000105b8c000 CR4: 00000000003506e0 [ 79.574979] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.584930] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1810, name: cat [ 79.593416] INFO: lockdep is turned off. [ 79.597811] irq event stamp: 0 [ 79.601233] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 79.608266] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 79.617432] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 79.626594] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 79.633620] CPU: 1 PID: 1810 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 79.642294] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.648926] Call Trace: [ 79.651677] dump_stack+0x77/0x97 [ 79.655399] ___might_sleep.cold+0xa6/0xb6 [ 79.659997] exit_signals+0x1c/0x2d0 [ 79.664007] do_exit+0xd5/0xb00 [ 79.667530] ? ksys_write+0x68/0xe0 [ 79.671442] rewind_stack_do_exit+0x17/0x20 [ 79.676133] RIP: 0033:0x7f337a82ff33 [ 79.680137] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.701190] RSP: 002b:00007ffe75b792d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.709672] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f337a82ff33 [ 79.717669] RDX: 000000000000000f RSI: 00007f337a720000 RDI: 0000000000000001 [ 79.725659] RBP: 00007f337a720000 R08: 00007f337a71f010 R09: 0000000000000000 [ 79.733661] R10: 00007f337a92a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 79.741662] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 78.004471] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 78.010318] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.018315] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 78.026313] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 78.034310] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.042298] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 78.050285] FS: 00007f8709219580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 78.059354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.065787] CR2: ffffa5b8c069afd6 CR3: 000000010324a000 CR4: 00000000003506e0 # [ 78.073782] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.083703] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1738, name: cat # [ 78.092182] INFO: lockdep is turned off. # [ 78.096566] irq event stamp: 0 # [ 78.099981] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.107006] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.116173] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 78.125337] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.132357] CPU: 3 PID: 1738 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 78.141036] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.147661] Call Trace: # [ 78.150404] dump_stack+0x77/0x97 # [ 78.154122] ___might_sleep.cold+0xa6/0xb6 # [ 78.158711] exit_signals+0x1c/0x2d0 # [ 78.162718] do_exit+0xd5/0xb00 # [ 78.166243] ? ksys_write+0x68/0xe0 # [ 78.170159] rewind_stack_do_exit+0x17/0x20 # [ 78.174849] RIP: 0033:0x7f8709141f33 # [ 78.178858] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.199907] RSP: 002b:00007fff1ec48a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.208399] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8709141f33 # [ 78.216392] RDX: 000000000000000d RSI: 00007f8709032000 RDI: 0000000000000001 # [ 78.224393] RBP: 00007f8709032000 R08: 00007f8709031010 R09: 0000000000000000 # [ 78.232393] R10: 00007f870923c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 78.240384] 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 # [ 78.594658] lkdtm: Performing direct entry EXEC_RODATA # [ 78.603215] lkdtm: attempting ok execution at ffffffff966b1eb0 # [ 78.616002] lkdtm: attempting bad execution at ffffffff972d9f00 # [ 78.628898] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 78.643471] BUG: unable to handle page fault for address: ffffffff972d9f00 #[ 80.060435] lkdtm: Performing direct entry EXEC_NULL [ 80.066934] lkdtm: attempting ok execution at ffffffff966b1eb0 [ 80.073527] lkdtm: attempting bad execution at 0000000000000000 [ 78.651172] #PF: supervisor instruction fetch in kernel mode[ 80.080232] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.094257] #PF: supervisor instruction fetch in kernel mode # [ 78.657509] #PF: error_code(0x0011) - permissions violati[ 80.100602] #PF: error_code(0x0010) - not-present page on # [ 78.663752] PGD 109e29067 P4D 109e29067 PUD 109e2a063 P[ 80.112587] PGD 0 P4D 0 [ 80.121666] Oops: 0010 [#11] SMP PTI MD[ 80000001098001e1 # [ 78.671568] Oops: 0011 [#9] SMP PTI 80.125679] CPU: 2 PID: 1846 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 80.140597] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.147240] RIP: 0010:0x0 [ 80.150178] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 80.157888] RSP: 0018:ffffa5b8c2357e48 EFLAGS: 00010246 [ 80.163748] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 80.171749] RDX: 0000000000000000 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 80.179746] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 80.187742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 80.195740] R13: ffffa5b8c2357f10 R14: ffffa5b8c2357f10 R15: ffff93f7c2721000 [ 80.203737] FS: 00007f8ea4408580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 80.212808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.219250] CR2: ffffffffffffffd6 CR3: 0000000103944000 CR4: 00000000003506e0 [ 80.227250] Call Trace: [ 80.230006] execute_location+0x48/0x56 [ 80.234314] direct_entry.cold+0x2c/0x38 [ 80.238719] full_proxy_write+0x56/0x80 [ 80.243022] vfs_write+0xea/0x390 [ 80.246741] ksys_write+0x68/0xe0 [ 80.250462] do_syscall_64+0x33/0x40 [ 80.254476] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.260140] RIP: 0033:0x7f8ea4330f33 [ 80.264147] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.285192] RSP: 002b:00007ffcfe492dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.293683] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8ea4330f33 [ 80.301684] RDX: 000000000000000a RSI: 00007f8ea4221000 RDI: 0000000000000001 [ 80.309684] RBP: 00007f8ea4221000 R08: 00007f8ea4220010 R09: 0000000000000000 [ 80.317684] R10: 00007f8ea442b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 80.325685] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.333695] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.349719] CR2: 0000000000000000 [ 80.353439] ---[ end trace 4ce97796d555c406 ]--- [ 80.358620] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.675483] CPU: 0 PID: 1774 Comm: cat Tainted: G D W [ 80.363018] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 80.390298] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 80.396157] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.404157] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 80.412157] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 80.420152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.428150] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 80.436147] FS: 00007f8ea4408580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 80.445220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.451662] CR2: ffffffffffffffd6 CR3: 0000000103944000 CR4: 00000000003506e0 5.10.128-cip10 #1 # [ 78.684154] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.690798] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 78.696559] Code: ff ff d9 a2 cf 96 ff ff ff ff 8a 05 6c 97 ff ff ff ff 8f 8a cf 96 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 78.717547] RSP: 0018:ffffa5b8c224fe48 EFLAGS: 00010246 # [ 78.723397] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 78.731379] RDX: 0000000000000000 RSI: ffff93f83bc1bf70 RDI: ffff93f83bc1bf70 # [ 78.739366] RBP: ffffffff972d9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 78.747357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 78.755337] R13: ffffa5b8c224ff10 R14: ffffa5b8c224ff10 R15: ffff93f7c4145000 # [ 78.763318] FS: 00007fdc10ef5580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 # [ 78.772371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.778804] CR2: ffffffff972d9f00 CR3: 00000001053ae000 CR4: 00000000003506f0 # [ 78.786787] Call Trace: # [ 78.789530] ? execute_location+0x48/0x56 # [ 78.794022] ? direct_entry.cold+0x2c/0x38 # [ 78.798612] ? full_proxy_write+0x56/0x80 # [ 78.803099] ? vfs_write+0xea/0x390 # [ 78.807000] ? ksys_write+0x68/0xe0 # [ 78.810903] ? do_syscall_64+0x33/0x40 # [ 78.815094] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 78.820942] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.843110] CR2: ffffffff972d9f00 # [ 78.846818] ---[ end trace 4ce97796d555c404 ]--- # [ 78.851981] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.856372] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 78.877405] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 78.883256] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.891249] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 78.899226] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 78.907201] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 78.915179] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 78.923166] FS: 00007fdc10ef5580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 # [ 78.932226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.938659] CR2: ffffffff972d9f00 CR3: 00000001053ae000 CR4: 00000000003506f0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 79.238580] lkdtm: Performing direct entry EXEC_USERSPACE # [ 79.245491] lkdtm: attempting ok execution at ffffffff966b1eb0 # [ 79.252121] lkdtm[ 80.749142] lkdtm: Performing direct entry ACCESS_USERSPACE : attempting bad execution at 00007f337a936000 # [ 79.265008][ 80.759133] lkdtm: attempting bad read at 00007f84a901a000 unable to execute userspace code (SMEP?) (uid: 0) # [ 79.277[ 80.771539] BUG: unable to handle page fault for address: 00007f84a901a000 [ 80.785437] #PF: supervisor read access in kernel mode [ 80.791185] #PF: error_code(0x0001) - permissions violation [ 80.797433] PGD 8000000104bea067 P4D 8000000104bea067 PUD 1033c6067 PMD 10324b067 PTE 1117d3067 [ 80.807205] Oops: 0001 [#12] SMP PTI [ 80.811217] CPU: 3 PID: 1881 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 80.819898] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.826544] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 80.832796] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 a8 12 6c 97 e8 73 9d fd ff 48 c7 c7 d0 12 6c 97 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 f8 12 6c [ 80.853846] RSP: 0018:ffffa5b8c23d7e48 EFLAGS: 00010246 [ 80.859709] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 80.867710] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff976c12d0 [ 80.875710] RBP: 00007f84a901a000 R08: 0000000000000000 R09: 0000000000000000 [ 80.883706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 80.891700] R13: ffffa5b8c23d7f10 R14: ffffa5b8c23d7f10 R15: ffff93f7c3944000 [ 80.899699] FS: 00007f84a8feb580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 80.908770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.915213] CR2: 00007f84a901a000 CR3: 0000000102920000 CR4: 00000000003506e0 [ 80.923215] Call Trace: [ 80.925970] direct_entry.cold+0x2c/0x38 [ 80.930377] full_proxy_write+0x56/0x80 [ 80.934686] vfs_write+0xea/0x390 [ 80.938406] ksys_write+0x68/0xe0 [ 80.942127] do_syscall_64+0x33/0x40 [ 80.946139] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.951805] RIP: 0033:0x7f84a8f13f33 [ 80.955816] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.976868] RSP: 002b:00007ffeb1ba97e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.985358] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f84a8f13f33 [ 80.993358] RDX: 0000000000000011 RSI: 00007f84a8e04000 RDI: 0000000000000001 [ 81.001359] RBP: 00007f84a8e04000 R08: 00007f84a8e03010 R09: 0000000000000000 [ 81.009360] R10: 00007f84a900e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.017357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.025365] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.041387] CR2: 00007f84a901a000 [ 81.045106] ---[ end trace 4ce97796d555c407 ]--- [ 81.050286] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.054684] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 81.075735] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 81.081595] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.089597] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 81.097600] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 81.105601] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.113604] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 81.121600] FS: 00007f84a8feb580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 [ 81.130662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.137102] CR2: 00007f84a901a000 CR3: 0000000102920000 CR4: 00000000003506e0 [ 81.145105] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 81.155055] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1881, name: cat [ 81.163540] INFO: lockdep is turned off. [ 81.167937] irq event stamp: 0 [ 81.171360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 81.178392] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 81.187563] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 81.196735] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.203762] CPU: 3 PID: 1881 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 81.212442] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.219075] Call Trace: [ 81.221824] dump_stack+0x77/0x97 [ 81.225544] ___might_sleep.cold+0xa6/0xb6 [ 81.230141] exit_signals+0x1c/0x2d0 [ 81.234151] do_exit+0xd5/0xb00 [ 81.237674] ? ksys_write+0x68/0xe0 [ 81.241591] rewind_stack_do_exit+0x17/0x20 [ 81.246281] RIP: 0033:0x7f84a8f13f33 [ 81.250288] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.271340] RSP: 002b:00007ffeb1ba97e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.279830] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f84a8f13f33 [ 81.287830] RDX: 0000000000000011 RSI: 00007f84a8e04000 RDI: 0000000000000001 [ 81.295829] RBP: 00007f84a8e04000 R08: 00007f84a8e03010 R09: 0000000000000000 [ 81.303830] R10: 00007f84a900e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.311831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 675] BUG: unable to handle page fault for address: 00007f337a936000 # [ 79.285382] #PF: supervisor instruction fetch in kernel mode # [ 79.291715] #PF: error_code(0x0011) - permissions violation # [ 79.297961] PGD 8000000104115067 P4D 8000000104115067 PUD 1029d5067 PMD 104100067 PTE 11736b067 # [ 79.313949] Oops: 0011 [#10] SMP PTI # [ 79.317955] CPU: 1 PID: 1810 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 79.326621] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.333258] RIP: 0010:0x7f337a936000 # [ 79.337259] Code: Unable to access opcode bytes at RIP 0x7f337a935fd6. # [ 79.344570] RSP: 0018:ffffa5b8c22c7e50 EFLAGS: 00010246 # [ 79.350428] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 79.358430] RDX: 0000000000000000 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 # [ 79.366426] RBP: 00007f337a936000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.374418] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 79.382412] R13: ffffa5b8c22c7f10 R14: ffffa5b8c22c7f10 R15: ffff93f7c32dd000 # [ 79.390403] FS: 00007f337a907580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 79.399463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.405902] CR2: 00007f337a936000 CR3: 0000000105b8c000 CR4: 00000000003506e0 # [ 79.413902] Call Trace: # [ 79.416655] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 79.422030] ? direct_entry.cold+0x2c/0x38 # [ 79.426626] ? full_proxy_write+0x56/0x80 # [ 79.431123] ? vfs_write+0xea/0x390 # [ 79.435037] ? ksys_write+0x68/0xe0 # [ 79.438950] ? do_syscall_64+0x33/0x40 # [ 79.443158] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 79.449026] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.471273] CR2: 00007f337a936000 # [ 79.474983] ---[ end trace 4ce97796d555c405 ]--- # [ 79.480158] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.484557] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 79.505600] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 79.511459] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.519458] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 79.527459] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 79.535460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.543461] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 79.551461] FS: 00007f337a907580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 79.560533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.566974] CR2: 00007f337a936000 CR3: 0000000105b8c000 CR4: 00000000003506e0 # [ 79.574979] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 79.584930] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1810, name: cat # [ 79.593416] INFO: lockdep is turned off. # [ 79.597811] irq event stamp: 0 # [ 79.601233] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.608266] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.617432] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 79.626594] softirqs last disabled at (0): [<0000[ 81.663891] lkdtm: Performing direct entry ACCESS_NULL [ 81.674803] lkdtm: attempting bad read at 0000000000000000 [ 81.681003] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 81.688814] #PF: supervisor read access in kernel mode 000000000000>] 0x0 # [ 79.633620] CPU: 1 PID: 1810 Comm: cat [ 81.694575] #PF: error_code(0x0000) - not-present page [ 81.706558] PGD 0 P4D 0 [ 81.709402] Oops: 0000 [#13] SMP PTI [ 81.713400] CPU: 1 PID: 1916 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 81.722079] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.728726] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 81.734004] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 12 6c 97 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 12 6c 97 48 01 [ 81.755057] RSP: 0018:ffffa5b8c2457e58 EFLAGS: 00010246 [ 81.760907] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 81.768907] RDX: 0000000000000000 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 [ 81.776904] RBP: ffffffff976c0399 R08: 0000000000000000 R09: 0000000000000000 [ 81.784904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 81.792901] R13: ffffa5b8c2457f10 R14: ffffa5b8c2457f10 R15: ffff93f7c34c4000 [ 81.800904] FS: 00007fba0f592580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 81.809978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.816414] CR2: 0000000000000000 CR3: 0000000105972000 CR4: 00000000003506e0 [ 81.824411] Call Trace: [ 81.827164] direct_entry.cold+0x2c/0x38 [ 81.831569] full_proxy_write+0x56/0x80 [ 81.835873] vfs_write+0xea/0x390 [ 81.839591] ksys_write+0x68/0xe0 [ 81.843303] do_syscall_64+0x33/0x40 [ 81.847316] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.852980] RIP: 0033:0x7fba0f4baf33 [ 81.856988] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.878042] RSP: 002b:00007ffd7039bd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.886532] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fba0f4baf33 [ 81.894534] RDX: 000000000000000c RSI: 00007fba0f3ab000 RDI: 0000000000000001 [ 81.902534] RBP: 00007fba0f3ab000 R08: 00007fba0f3aa010 R09: 0000000000000000 [ 81.910536] R10: 00007fba0f5b51c0 R11: 0000000000000246 R12: 0000000000000001 [ 81.918532] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Tainted: G D W 5.10.128-cip10 #1 # [ 79.642294] [ 81.926539] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.948780] CR2: 0000000000000000 [ 81.952497] ---[ end trace 4ce97796d555c408 ]--- [ 81.957669] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.962068] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 81.983120] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 81.988979] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.996980] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 82.004981] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 82.012981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.020980] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 82.028979] FS: 00007fba0f592580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 82.038055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.044493] CR2: 0000000000000000 CR3: 0000000105972000 CR4: 00000000003506e0 Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.648926] Call Trace: # [ 79.651677] dump_stack+0x77/0x97 # [ 79.655399] ___might_sleep.cold+0xa6/0xb6 # [ 79.659997] exit_signals+0x1c/0x2d0 # [ 79.664007] do_exit+0xd5/0xb00 # [ 79.667530] ? ksys_write+0x68/0xe0 # [ 79.671442] rewind_stack_do_exit+0x17/0x20 # [ 79.676133] RIP: 0033:0x7f337a82ff33 # [ 79.680137] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.701190] RSP: 002b:00007ffe75b792d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.709672] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f337a82ff33 # [ 79.717669] RDX: 000000000000000f RSI: 00007f337a720000 RDI: 0000000000000001 # [ 79.725659] RBP: 00007f337a720000 R08: 00007f337a71f010 R09: 0000000000000000 # [ 79.733661] R10: 00007f337a92a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 79.741662] 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 # [ 80.060435] lkdtm: Performing direct entry EXEC_NULL # [ 80.066934] lkdtm: attempting ok execution at ffffffff966b1eb0 # [ 80.073527] lkdtm: attempting bad execution at 0000000000000000 # [ 80.080232] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 80.094257] #PF: supervisor instruction fetch in kernel mode # [ 80.100602] #PF: error_code(0x0010) - not-present page # [ 80.112587] PGD 0 P4D 0 # [ 80.121666] Oops: 0010 [#11] SMP PTI # [ 80.125679] CPU: 2 PID: 1846 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 80.140597] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.147240] RIP: 0010:0x0 # [ 80.150178] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 80.157888] RSP: 0018:ffffa5b8c2357e48 EFLAGS: 00010246 # [ 80.163748] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 80.171749] RDX: 0000000000000000 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 80.179746] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 80.187742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 80.195740] R13: ffffa5b8c2357f10 R14: ffffa5b8c2357f10 R15: ffff93f7c2721000 # [ 80.203737] FS: 00007f8ea4408580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 80.212808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.219250] CR2: ffffffffffffffd6 CR3: 0000000103944000 CR4: 00000000003506e0 # [ 80.227250] Call Trace: # [ 80.230006] execute_location+0x48/0x56 # [ 80.234314] direct_entry.cold+0x2c/0x38 # [ 80.238719] full_proxy_write+0x56/0x80 # [ 80.243022] vfs_write+0xea/0x390 # [ 80.246741] ksys_write+0x68/0xe0 # [ 80.250462] do_syscall_64+0x33/0x40 # [ 80.254476] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 80.260140] RIP: 0033:0x7f8ea4330f33 # [ 80.264147] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff [ 82.359174] lkdtm: Performing direct entry WRITE_RO [ 82.369944] lkdtm: attempting bad rodata write at ffffffff972d9ef0 [ 82.376929] BUG: unable to handle page fault for address: ffffffff972d9ef0 [ 82.384638] #PF: supervisor write access in kernel mode [ 82.390496] #PF: error_code(0x0003) - permissions violation [ 82.396743] PGD 109e29067 P4D 109e29067 PUD 109e2a063 PMD 80000001098001e1 [ 82.404567] Oops: 0003 [#14] SMP PTI [ 82.408569] CPU: 1 PID: 1951 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 82.417248] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.423895] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 82.428881] Code: 00 48 c7 c7 88 11 6c 97 48 c7 c6 f0 9e 2d 97 e8 93 9f fd ff 48 8b 05 16 11 5e 00 ba 34 12 cd ab 48 c7 c7 b8 11 6c 97 48 31 d0 <48> 89 05 00 11 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 35 [ 82.449936] RSP: 0018:ffffa5b8c24e7e60 EFLAGS: 00010202 [ 82.455796] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 82.463800] RDX: 00000000abcd1234 RSI: ffff93f83bc9bf70 RDI: ffffffff976c11b8 [ 82.471802] RBP: ffffffff976c03a5 R08: 0000000000000000 R09: 0000000000000000 [ 82.479800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 82.487801] R13: ffffa5b8c24e7f10 R14: ffffa5b8c24e7f10 R15: ffff93f7c328c000 [ 82.495805] FS: 00007f82cd159580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 82.504878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.511321] CR2: ffffffff972d9ef0 CR3: 000000010324c000 CR4: 00000000003506e0 [ 82.519319] Call Trace: [ 82.522068] direct_entry.cold+0x2c/0x38 [ 82.526477] full_proxy_write+0x56/0x80 [ 82.530783] vfs_write+0xea/0x390 [ 82.534504] ksys_write+0x68/0xe0 [ 82.538222] do_syscall_64+0x33/0x40 [ 82.542230] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.547894] RIP: 0033:0x7f82cd081f33 [ 82.551900] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.572948] RSP: 002b:00007ffd039a3ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.581436] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f82cd081f33 [ 82.589436] RDX: 0000000000000009 RSI: 00007f82ccf72000 RDI: 0000000000000001 [ 82.597436] RBP: 00007f82ccf72000 R08: 00007f82ccf71010 R09: 0000000000000000 [ 82.605435] R10: 00007f82cd17c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.613436] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.621442] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.637453] CR2: ffffffff972d9ef0 [ 82.641170] ---[ end trace 4ce97796d555c409 ]--- [ 82.646349] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.650740] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 82.671785] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 82.677641] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.685633] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 82.693631] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 82.701631] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.709624] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 82.717627] FS: 00007f82cd159580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 82.726693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.733133] CR2: ffffffff972d9ef0 CR3: 000000010324c000 CR4: 00000000003506e0 [ 82.741136] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 82.751083] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1951, name: cat [ 82.759568] INFO: lockdep is turned off. [ 82.763962] irq event stamp: 0 [ 82.767384] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 82.774416] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 82.783589] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 82.792751] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 82.799777] CPU: 1 PID: 1951 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 82.808452] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.815086] Call Trace: [ 82.817832] dump_stack+0x77/0x97 [ 82.821553] ___might_sleep.cold+0xa6/0xb6 [ 82.826148] exit_signals+0x1c/0x2d0 [ 82.830157] do_exit+0xd5/0xb00 [ 82.833680] ? ksys_write+0x68/0xe0 [ 82.837596] rewind_stack_do_exit+0x17/0x20 [ 82.842287] RIP: 0033:0x7f82cd081f33 [ 82.846296] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.867337] RSP: 002b:00007ffd039a3ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.875821] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f82cd081f33 [ 82.883814] RDX: 0000000000000009 RSI: 00007f82ccf72000 RDI: 0000000000000001 [ 82.891809] RBP: 00007f82ccf72000 R08: 00007f82ccf71010 R09: 0000000000000000 [ 82.899810] R10: 00007f82cd17c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.907809] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.285192] RSP: 002b:00007ffcfe492dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.293683] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8ea4330f33 # [ 80.301684] RDX: 000000000000000a RSI: 00007f8ea4221000 RDI: 0000000000000001 # [ 80.309684] RBP: 00007f8ea4221000 R08: 00007f8ea4220010 R09: 0000000000000000 # [ 80.317684] R10: 00007f8ea442b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 80.325685] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.333695] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.349719] CR2: 0000000000000000 # [ 80.353439] ---[ end trace 4ce97796d555c406 ]--- # [ 80.358620] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.363018] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 80.390298] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 80.396157] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.404157] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 80.412157] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 80.420152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.428150] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 80.436147] FS: 00007f8ea4408580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 80.445220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.451662] CR2: ffffffffffffffd6 CR3: 0000000103944000 CR4: 00000000003506e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 80.749142] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 80.759133] lkdtm: attempting bad read at 00007f84a901a000 # [ 80.771539] BUG: unable to handle page fault for address: 00007f84a901a000 # [ 80.785437] #PF: supervisor read access in kernel mode # [ 80.791185] #PF: error_code(0x0001) - permissions violation # [ 80.797433] PGD 8000000104bea067 P4D 8000000104bea067 PUD 1033c6067 PMD 10324b067 PTE 1117d3067 # [ 80.807205] Oops: 0001 [#12] SMP PTI # [ 80.811217] CPU: 3 PID: 1881 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 80.819898] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.826544] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 80.832796] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 a8 12 6c 97 e8 73 9d fd ff 48 c7 c7 d0 12 6c 97 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 f8 12 6c # [ 80.853846] RSP: 0018:ffffa5b8c23d7e48 EFLAGS: 00010246 # [ 80.859709] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 80.867710] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff976c12d0 # [ 80.875710] RBP: 00007f84a901a000 R08: 0000000000000000 R09: 0000000000000000 # [ 80.883706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 80.891700] R13: ffffa5b8c23d7[ 83.245216] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 83.252918] lkdtm: attempting bad ro_after_init write at ffffffff9773c328 [ 83.260594] BUG: unable to handle page fault for address: ffffffff9773c328 [ 83.268305] #PF: supervisor write access in kernel mode [ 83.274166] #PF: error_code(0x0003) - permissions violation f10 R14: ffffa5b8c23d7f10 R15: ffff93f7c3944000 # [ 80.899699[ 83.280417] PGD 109e29067 P4D 109e29067 PUD 109e2a063 PMD 104ba7163 PTE 8000000109d3c061 [ 83.295724] Oops: 0003 [#15] SMP PTI ] FS: 00007f84a8feb580(0000) GS:ffff93f83bd80000(0000) knlGS:00[ 83.299735] CPU: 2 PID: 1986 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 83.314639] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.321288] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 83.327348] Code: 11 6c 97 e9 45 9f fd ff 48 c7 c7 10 12 6c 97 e8 39 9f fd ff 48 8b 05 f4 34 a4 00 ba 34 12 cd ab 48 c7 c7 b8 11 6c 97 48 31 d0 <48> 89 05 de 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 83.348405] RSP: 0018:ffffa5b8c2567e60 EFLAGS: 00010202 [ 83.354265] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 83.362264] RDX: 00000000abcd1234 RSI: ffff93f83bd1bf70 RDI: ffffffff976c11b8 [ 83.370264] RBP: ffffffff976c03ae R08: 0000000000000000 R09: 0000000000000000 [ 83.378261] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 83.386261] R13: ffffa5b8c2567f10 R14: ffffa5b8c2567f10 R15: ffff93f7c5895000 [ 83.394262] FS: 00007fd142ed2580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 83.403335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.409775] CR2: ffffffff9773c328 CR3: 000000010592e000 CR4: 00000000003506e0 [ 83.417777] Call Trace: [ 83.420526] direct_entry.cold+0x2c/0x38 [ 83.424935] full_proxy_write+0x56/0x80 [ 83.429240] vfs_write+0xea/0x390 [ 83.432958] ksys_write+0x68/0xe0 [ 83.436675] do_syscall_64+0x33/0x40 [ 83.440686] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.446347] RIP: 0033:0x7fd142dfaf33 [ 83.450355] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.471408] RSP: 002b:00007ffd70699028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.479890] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd142dfaf33 [ 83.487883] RDX: 0000000000000014 RSI: 00007fd142ceb000 RDI: 0000000000000001 [ 83.495886] RBP: 00007fd142ceb000 R08: 00007fd142cea010 R09: 0000000000000000 [ 83.503885] R10: 00007fd142ef51c0 R11: 0000000000000246 R12: 0000000000000001 [ 83.511884] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.519891] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.535913] CR2: ffffffff9773c328 [ 83.539629] ---[ end trace 4ce97796d555c40a ]--- [ 83.544804] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.549201] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 83.570257] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 83.576112] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.584115] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 83.592116] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 83.600116] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.608117] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 83.616121] FS: 00007fd142ed2580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 83.625190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.631627] CR2: ffffffff9773c328 CR3: 000000010592e000 CR4: 00000000003506e0 00000000000000 # [ 80.908770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.915213] CR2: 00007f84a901a000 CR3: 0000000102920000 CR4: 00000000003506e0 # [ 80.923215] Call Trace: # [ 80.925970] direct_entry.cold+0x2c/0x38 # [ 80.930377] full_proxy_write+0x56/0x80 # [ 80.934686] vfs_write+0xea/0x390 # [ 80.938406] ksys_write+0x68/0xe0 # [ 80.942127] do_syscall_64+0x33/0x40 # [ 80.946139] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 80.951805] RIP: 0033:0x7f84a8f13f33 # [ 80.955816] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.976868] RSP: 002b:00007ffeb1ba97e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.985358] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f84a8f13f33 # [ 80.993358] RDX: 0000000000000011 RSI: 00007f84a8e04000 RDI: 0000000000000001 # [ 81.001359] RBP: 00007f84a8e04000 R08: 00007f84a8e03010 R09: 0000000000000000 # [ 81.009360] R10: 00007f84a900e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.017357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.025365] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.041387] CR2: 00007f84a901a000 # [ 81.045106] ---[ end trace 4ce97796d555c407 ]--- # [ 81.050286] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 81.054684] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 81.075735] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 81.081595] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.089597] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 81.097600] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 81.105601] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 81.113604] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 81.121600] FS: 00007f84a8feb580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 81.130662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.137102] CR2: 00007f84a901a000 CR3: 0000000102920000 CR4: 00000000003506e0 # [ 81.145105] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 81.155055] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1881, name: cat # [ 81.163540] INFO: lockdep is turned off. # [ 81.167937] irq event stamp: 0 # [ 81.171360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 81.178392] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 81.187563] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 81.196735] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 81.203762] CPU: 3 PID: 1881 Comm: cat Tainted: G D W 5.10.128-cip[ 83.946453] lkdtm: Performing direct entry WRITE_KERN [ 83.957330] lkdtm: attempting bad 6581924 byte write at ffffffff96cf8d54 [ 83.964904] BUG: unable to handle page fault for address: ffffffff96cf8d54 [ 83.972609] #PF: supervisor write access in kernel mode [ 83.978468] #PF: error_code(0x0003) - permissions violation 10 #1 # [ 81.212442] Hardware name: Google Coral/Coral, BIOS [ 83.984719] PGD 109e29067 P4D 109e29067 PUD 109e2a063 PMD 1092001e1 [ 83.998087] Oops: 0003 [#16] SMP PTI [ 84.002089] CPU: 2 PID: 2021 Comm: cat Tainted: G D W 5.10.128-cip10 #1 09/29/2020 # [ 81.219075] Call Trace: # [ 81.221824] dum[ 84.010755] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.023633] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 84.028809] Code: 53 48 c7 c3 54 8d cf 96 49 89 dc 48 89 da 49 81 ec b0 1e 6b 96 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e 6b 96 a4 48 c7 c7 b8 11 6c 97 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 84.049848] RSP: 0018:ffffa5b8c25efe50 EFLAGS: 00010246 [ 84.055697] RAX: 000000000000003c RBX: ffffffff96cf8d54 RCX: 0000000000646ea4 [ 84.063695] RDX: 0000000000000000 RSI: ffffffff966b1eb0 RDI: ffffffff96cf8d54 [ 84.071697] RBP: ffffffff976c03c2 R08: 0000000000000000 R09: 0000000000000000 [ 84.079698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646ea4 [ 84.087695] R13: ffffa5b8c25eff10 R14: ffffa5b8c25eff10 R15: ffff93f7c36f7000 [ 84.095692] FS: 00007f240a781580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 84.104764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.111207] CR2: ffffffff96cf8d54 CR3: 000000010592e000 CR4: 00000000003506e0 [ 84.119203] Call Trace: [ 84.121955] direct_entry.cold+0x2c/0x38 [ 84.126362] full_proxy_write+0x56/0x80 [ 84.130667] vfs_write+0xea/0x390 [ 84.134384] ksys_write+0x68/0xe0 [ 84.138101] do_syscall_64+0x33/0x40 [ 84.142115] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.147779] RIP: 0033:0x7f240a6a9f33 [ 84.151785] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 84.172816] RSP: 002b:00007ffd04b7feb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.181287] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f240a6a9f33 [ 84.189281] RDX: 000000000000000b RSI: 00007f240a59a000 RDI: 0000000000000001 [ 84.197281] RBP: 00007f240a59a000 R08: 00007f240a599010 R09: 0000000000000000 [ 84.205279] R10: 00007f240a7a41c0 R11: 0000000000000246 R12: 0000000000000001 [ 84.213282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 84.221295] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.237318] CR2: ffffffff96cf8d54 [ 84.241034] ---[ end trace 4ce97796d555c40b ]--- [ 84.246214] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 84.250613] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 [ 84.271662] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 [ 84.277520] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 84.285522] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 [ 84.293519] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 [ 84.301511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 84.309513] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 [ 84.317511] FS: 00007f240a781580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 84.326577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.333004] CR2: ffffffff96cf8d54 CR3: 000000010592e000 CR4: 00000000003506e0 [ 84.340997] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 84.350942] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2021, name: cat [ 84.359429] INFO: lockdep is turned off. [ 84.363822] irq event stamp: 0 [ 84.367242] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.374263] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 84.383426] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 84.392587] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.399612] CPU: 2 PID: 2021 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 84.408296] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.414927] Call Trace: [ 84.417674] dump_stack+0x77/0x97 [ 84.421393] ___might_sleep.cold+0xa6/0xb6 [ 84.425982] exit_signals+0x1c/0x2d0 [ 84.429992] do_exit+0xd5/0xb00 [ 84.433519] ? ksys_write+0x68/0xe0 [ 84.437431] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 84.442900] rewind_stack_do_exit+0x17/0x20 [ 84.447581] RIP: 0033:0x7f240a6a9f33 [ 84.451588] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 84.472621] RSP: 002b:00007ffd04b7feb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.481109] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f240a6a9f33 [ 84.489107] RDX: 000000000000000b RSI: 00007f240a59a000 RDI: 0000000000000001 [ 84.497105] RBP: 00007f240a59a000 R08: 00007f240a599010 R09: 0000000000000000 [ 84.505102] R10: 00007f240a7a41c0 R11: 0000000000000246 R12: 0000000000000001 [ 84.513099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 p_stack+0x77/0x97 # [ 81.225544] ___might_sleep.cold+0xa6/0xb6 # [ 81.230141] exit_signals+0x1c/0x2d0 # [ 81.234151] do_exit+0xd5/0xb00 # [ 81.237674] ? ksys_write+0x68/0xe0 # [ 81.241591] rewind_stack_do_exit+0x17/0x20 # [ 81.246281] RIP: 0033:0x7f84a8f13f33 # [ 81.250288] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.271340] RSP: 002b:00007ffeb1ba97e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.279830] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f84a8f13f33 # [ 81.287830] RDX: 0000000000000011 RSI: 00007f84a8e04000 RDI: 0000000000000001 # [ 81.295829] RBP: 00007f84a8e04000 R08: 00007f84a8e03010 R09: 0000000000000000 # [ 81.303830] R10: 00007f84a900e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.311831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 81.663891] lkdtm: Performing direct entry ACCESS_NULL # [ 81.674803] lkdtm: attempting bad read at 0000000000000000 # [ 81.681003] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 81.688814] #PF: supervisor read access in kernel mode # [ 81.694575] #PF: error_code(0x0000) - not-present page # [ 81.706558] PGD 0 P4D 0 # [ 81.709402] Oops: 0000 [#13] SMP PTI # [ 81.713400] CPU: 1 PID: 1916 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 81.722079] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.728726] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 81.734004] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 12 6c 97 e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 12 6c 97 48 01 # [ 81.755057] RSP: 0018:ffffa5b8c2457e58 EFLAGS: 00010246 # [ 81.760907] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 81.768907] RDX: 0000000000000000 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 # [ 81.776904] RBP: ffffffff976c0399 R08: 0000000000000000 R09: 0000000000000000 # [ 81.784904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 81.792901] R13: ffffa5b8c2457f10 R14: ffffa5b8c2457f10 R15: ffff93f7c34c4000 # [ 81.800904] FS: 00007fba0f592580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 81.809978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 81.816414] CR2: 0000000000000000 CR3: 0000000105972000 CR4: 00000000003506e0 # [ 81.824411] Call Trace: # [ 81.827164] direct_entry.cold+0x2c/0x38 # [ 81.831569] full_proxy_write+0x56/0x80 # [ 81.835873] vfs_write+0xea/0x390 # [ 81.839591] ksys_write+0x68/0xe0 # [ 81.843303] do_syscall_64+0x33/0x40 # [ 81.847316] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 81.852980] RIP: 0033:0x7fba0f4baf33 # [ 81.856988] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.878042] RSP: 002b:00007ffd7039bd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.886532] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fba0f4baf33 # [ 81.894534] RDX: 000000000000000c RSI: 00007fba0f3ab000 RDI: 0000000000000001 # [ 81.902534] RBP: 00007fba0f3ab000 R08: 00007fba0f3aa010 R09: 0000000000000000 # [ 81.910536] R10: 00007fba0f5b51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 81.918532] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 81.926539] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x[ 84.895739] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 84.908216] lkdtm: attempting good refcount_inc() without overflow [ 84.915179] lkdtm: attempting bad refcount_inc() overflow [ 84.921265] ------------[ cut here ]------------ [ 84.926463] refcount_t: saturated; leaking memory. [ 84.931915] WARNING: CPU: 2 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 84.941293] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 84.957353] CPU: 2 PID: 2056 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 84.966054] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 84.972711] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 84.978496] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 65 97 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 65 97 c6 05 3a [ 84.999570] RSP: 0018:ffffa5b8c266fe48 EFLAGS: 00010286 [ 85.005449] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 85.013468] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 85.021491] RBP: ffffffff976c03cd R08: 0000000000000000 R09: 0000000000000000 [ 85.029510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 85.037530] R13: ffffa5b8c266ff10 R14: ffffa5b8c266ff10 R15: ffff93f7c5b34000 [ 85.045551] FS: 00007ff2e6fb7580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 85.054647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.061112] CR2: 00007ff2e6dd0000 CR3: 0000000105b4c000 CR4: 00000000003506e0 [ 85.069133] Call Trace: [ 85.071906] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 [ 85.077306] direct_entry.cold+0x2c/0x38 [ 85.081734] full_proxy_write+0x56/0x80 [ 85.086067] vfs_write+0xea/0x390 86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.9487[ 85.089807] ksys_write+0x68/0xe0 [ 85.099755] do_syscall_64+0x33/0x40 [ 85.103788] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.109478] RIP: 0033:0x7ff2e6edff33 [ 85.113509] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.134581] RSP: 002b:00007ffd4ffb03e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.143094] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff2e6edff33 [ 85.151111] RDX: 0000000000000016 RSI: 00007ff2e6dd0000 RDI: 0000000000000001 [ 85.159130] RBP: 00007ff2e6dd0000 R08: 00007ff2e6dcf010 R09: 0000000000000000 [ 85.167151] R10: 00007ff2e6fda1c0 R11: 0000000000000246 R12: 0000000000000001 80] CR2: 0000000000000000 # [ 81.952497] ---[ end trace 4ce97[ 85.175168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 796d555c408 ]--- # [ 81.957669] RIP: 0010:lkdtm_BUG+0x5/0x10[ 85.189421] irq event stamp: 0 [ 85.199064] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.206118] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 85.215320] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 85.224506] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.231548] ---[ end trace 4ce97796d555c40c ]--- [ 85.236741] lkdtm: Overflow detected: saturated # [ 81.962068] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 81.983120] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 81.988979] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 81.996980] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 82.004981] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 82.012981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.020980] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 82.028979] FS: 00007fba0f592580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 82.038055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.044493] CR2: 0000000000000000 CR3: 0000000105972000 CR4: 00000000003506e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 82.359174] lkdtm: Performing direct entry WRITE_RO # [ 82.369944] lkdtm: attempting bad rodata write at ffffffff972d9ef0 # [ 82.376929] BUG: unable to handle page fault for address: ffffffff972d9ef0 # [ 82.384638] #PF: supervisor write access in kernel mode # [ 82.390496] #PF: error_code(0x0003) - permissions violation # [ 82.396743] PGD 109e29067 P4D 109e29067 PUD 109e2a063 PMD 80000001098001e1 # [ 82.404567] Oops: 0003 [#14] SMP PTI # [ 82.408569] CPU: 1 PID: 1951 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 82.417248] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.423895] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 82.428881] Code: 00 48 c7 c7 88 11 6c 97 48 c7 c6 f0 9e 2d 97 e8 93 9f fd ff 48 8b 05 16 11 5e 00 ba 34 12 cd ab 48 c7 c7 b8 11 6c 97 48 31 d0 <48> 89 05 00 11 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 35 # [ 82.449936] RSP: 0018:ffffa5b8c24e7e60 EFLAGS: 00010202 # [ 82.455796] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 82.463800] RDX: 00000000abcd1234 RSI: ffff93f83bc9bf70 RDI: ffffffff976c11b8 # [ 82.471802] RBP: ffffffff976c03a5 R08: 0000000000000000 R09: 0000000000000000 # [ 82.479800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 82.487801] R13: ffffa5b8c24e7f10 R14: ffffa5b8c24e7f10 R15: ffff93f7c328c000 # [ 82.495805] FS: 00007f82cd159580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 82.504878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.511321] CR2: ffffffff972d9ef0 CR3: 000000010324c000 CR4: 00000000003506e0 # [ 82.519319] Call Trace: # [ 82.522068] direct_entry.cold+0x2c/0x38 # [ 82.526477] full_proxy_write+0x56/0x80 # [ 82.530783] vfs_write+0xea/0x390 # [ 82.534504] ksys_write+0x68/0xe0 # [ 82.538222] do_syscall_64+0x33/0x40 # [ 82.542230] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 82.547894] RIP: 0033:0x7f82cd081f33 # [ 82.551900] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 [ 85.546309] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 85.554388] lkdtm: attempting good refcount_add() without overflow [ 85.561361] lkdtm: attempting bad refcount_add() overflow 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d[ 85.567436] ------------[ cut here ]------------ [ 85.578852] refcount_t: saturated; leaking memory. 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.584297] WARNING: CPU: 2 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 82.572948] RSP: 002b:00007ffd039a3ab8 EFLAGS: 00000246 ORIG_[ 85.599933] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RAX: 0000000000000001 # [ 82.581436] RAX: ffffffffffffffda RB[ 85.622265] CPU: 2 PID: 2088 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 85.637237] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.643911] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 85.649702] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 65 97 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 65 97 c6 05 3a [ 85.670772] RSP: 0018:ffffa5b8c26cfe48 EFLAGS: 00010286 [ 85.676657] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 85.684685] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 85.692707] RBP: ffffffff976c03e3 R08: 0000000000000000 R09: 0000000000000000 [ 85.700731] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 85.708755] R13: ffffa5b8c26cff10 R14: ffffa5b8c26cff10 R15: ffff93f7c35bf000 [ 85.716783] FS: 00007fd3d99b3580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 85.725885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.732351] CR2: 00007fd3d97cc000 CR3: 0000000103624000 CR4: 00000000003506e0 [ 85.740375] Call Trace: [ 85.743151] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 [ 85.748553] direct_entry.cold+0x2c/0x38 X: 0000000000000009 RCX: 00007f82cd081f33 # [ 82.589436] RDX:[ 85.752983] full_proxy_write+0x56/0x80 [ 85.763542] vfs_write+0xea/0x390 [ 85.767288] ksys_write+0x68/0xe0 [ 85.771033] do_syscall_64+0x33/0x40 [ 85.775071] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.780765] RIP: 0033:0x7fd3d98dbf33 [ 85.784792] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.805876] RSP: 002b:00007fff55548428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.814388] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd3d98dbf33 [ 85.822403] RDX: 0000000000000016 RSI: 00007fd3d97cc000 RDI: 0000000000000001 [ 85.830422] RBP: 00007fd3d97cc000 R08: 00007fd3d97cb010 R09: 0000000000000000 0000000000000009 RSI: 00007f82ccf72000 RDI: 0000000000000001 #[ 85.838442] R10: 00007fd3d99d61c0 R11: 0000000000000246 R12: 0000000000000001 [ 82.597436] RBP: 00007f82ccf72000 R08: 00007f82ccf71010 R09:[ 85.852688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 85.866950] irq event stamp: 0 [ 85.870397] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.877451] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 85.886643] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 85.895832] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.902884] ---[ end trace 4ce97796d555c40d ]--- [ 85.908078] lkdtm: Overflow detected: saturated 0000000000000000 # [ 82.605435] R10: 00007f82cd17c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 82.613436] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.621442] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.637453] CR2: ffffffff972d9ef0 # [ 82.641170] ---[ end trace 4ce97796d555c409 ]--- # [ 82.646349] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.650740] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 82.671785] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 82.677641] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.685633] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 82.693631] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 82.701631] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.709624] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 82.717627] FS: 00007f82cd159580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 82.726693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.733133] CR2: ffffffff972d9ef0 CR3: 000000010324c000 CR4: 00000000003506e0 # [ 82.741136] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 82.751083] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1951, name: cat # [ 82.759568] INFO: lockdep is turned off. # [ 82.763962] irq event stamp: 0 # [ 82.767384] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 82.774416] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.783589] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 82.792751] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 82.799777] CPU: 1 PID: 1951 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 82.808452] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.815086] Call Trace: # [ 82.817832] dump_stack+0x77/0x97 # [ 82.821553] ___might_sleep.cold+0xa6/0xb6 # [ 82.826148] exit_signals+0x1c/0x2d0 # [ 82.830157] do_exit+0xd5/0xb00 # [ 82.833680] ? ksys_write+0x68/0xe0 # [ 82.837596] rewind_stack_do_exit+0x17/0x20 # [ 82.842287] RIP: 0033:0x7f82cd081f33 # [ 82.846296] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.867337] RSP: 002b:00007ffd039a3ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.875821] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f82cd081f33 # [ 82.883814] RDX: 0000000000000009 RSI: 00007f82ccf72000 RDI: 0000000000000001 # [ 82.891809] RBP: 00007f82ccf72000 R08: 00007f82ccf71010 R09: 0000000000000000 # [ 82.899810] R10: 00007f82cd17c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.221940] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 86.232592] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 86.239555] ------------[ cut here ]------------ [ 82.907809] R13: 0000000000000001 R14: 0000000000020000 R15: [ 86.244760] refcount_t: saturated; leaking memory. 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selft[ 86.256424] WARNING: CPU: 1 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 ests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INI[ 86.272051] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 86.294325] CPU: 1 PID: 2120 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 86.303031] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 86.309685] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 86.315469] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb [ 86.336548] RSP: 0018:ffffa5b8c272fe38 EFLAGS: 00010282 T.sh # Killed # [ 83.245216] lkdtm: Performing direct entry [ 86.342422] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 86.356678] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 [ 86.364704] RBP: ffffffff976c0020 R08: 0000000000000000 R09: 0000000000000000 [ 86.372728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 86.380745] R13: ffffa5b8c272ff10 R14: ffffa5b8c272ff10 R15: ffff93f7c5846000 [ 86.388765] FS: 00007fbc581b9580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 86.397854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.404316] CR2: 00007fbc57fd2000 CR3: 0000000105c64000 CR4: 00000000003506e0 [ 86.412335] Call Trace: [ 86.415108] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 86.421287] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 86.427566] direct_entry.cold+0x2c/0x38 WRITE_RO_AFTER_INIT # [ 83.252918] lkdtm: attempting bad ro_a[ 86.431991] full_proxy_write+0x56/0x80 [ 86.442531] vfs_write+0xea/0x390 [ 86.446270] ksys_write+0x68/0xe0 fter_init write at ffffffff9773c328 # [ 83.260594] BUG: unabl[ 86.450011] do_syscall_64+0x33/0x40 [ 86.460265] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.465950] RIP: 0033:0x7fbc580e1f33 e to handle page fault for address: ffffffff9773c328 # [ 83.2[ 86.469977] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 86.497265] RSP: 002b:00007fff5cd2cb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.505773] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbc580e1f33 68305] #PF: supervisor write access in kernel mode # [ 83.274[ 86.513770] RDX: 000000000000001f RSI: 00007fbc57fd2000 RDI: 0000000000000001 [ 86.528012] RBP: 00007fbc57fd2000 R08: 00007fbc57fd1010 R09: 0000000000000000 [ 86.536030] R10: 00007fbc581dc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 86.544051] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 86.552079] irq event stamp: 0 [ 86.555523] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.562585] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 86.571819] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 166] #PF: error_code(0x0003) - permissions violation # [ 83.2[ 86.581036] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.594298] ---[ end trace 4ce97796d555c40e ]--- [ 86.599492] lkdtm: Overflow detected: saturated 80417] PGD 109e29067 P4D 109e29067 PUD 109e2a063 PMD 104ba7163 PTE 8000000109d3c061 # [ 83.295724] Oops: 0003 [#15] SMP PTI # [ 83.299735] CPU: 2 PID: 1986 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 83.314639] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.321288] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 83.327348] Code: 11 6c 97 e9 45 9f fd ff 48 c7 c7 10 12 6c 97 e8 39 9f fd ff 48 8b 05 f4 34 a4 00 ba 34 12 cd ab 48 c7 c7 b8 11 6c 97 48 31 d0 <48> 89 05 de 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 83.348405] RSP: 0018:ffffa5b8c2567e60 EFLAGS: 00010202 # [ 83.354265] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 83.362264] RDX: 00000000abcd1234 RSI: ffff93f83bd1bf70 RDI: ffffffff976c11b8 # [ 83.370264] RBP: ffffffff976c03ae R08: 0000000000000000 R09: 0000000000000000 # [ 83.378261] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 83.386261] R13: ffffa5b8c2567f10 R14: ffffa5b8c2567f10 R15: ffff93f7c5895000 # [ 83.394262] FS: 00007fd142ed2580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 83.403335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.409775] CR2: ffffffff9773c328 CR3: 000000010592e000 CR4: 00000000003506e0 # [ 83.417777] Call Trace: # [ 83.420526] direct_entry.cold+0x2c/0x38 # [ 83.424935] full_proxy_write+0x56/0x80 # [ 83.429240] vfs_write+0xea/0x390 # [ 83.432958] ksys_write+0x68/0xe0 # [ 83.436675] do_syscall_64+0x33/0x40 # [ 83.440686] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 83.446347] RIP: 0033:0x7fd142dfaf33 # [ 83.450355] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.471408] RSP: 002b:00007ffd70699028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.479890] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd142dfaf33 # [ 83.487883] RDX: 0000000000000014 RSI: 00007fd142ceb000 RDI: 0000000000000001 # [ 83.495886] RBP: 00007fd142ceb000 R08: 00007fd142cea010 R09: 0000000000000000 # [ 83.503885] R10: 00007fd142ef51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 83.511884] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.519891] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.535913] CR2: ffffffff9773c328 # [ 83.539629] ---[ end trace 4ce97796d555c40a ]--- # [ 83.544804] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 83.549201] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 83.570257] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 83.576112] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83.584115] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 83.592116] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 00[ 86.912851] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 00000000000001 # [ 83.600116] R10: 00000000ffffe000 R11: 3fff[ 86.924062] lkdtm: attempting bad refcount_add_not_zero() overflow ffffffffffff R12: 0000000000000004 # [ 83.608117] R13: ffffa5[ 86.937233] ------------[ cut here ]------------ b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 83[ 86.948628] refcount_t: saturated; leaking memory. .616121] FS: 00007fd142ed2580(0000) GS:ffff93f83bd00000(0000) k[ 86.960357] WARNING: CPU: 3 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 nlGS:0000000000000000 # [ 83.625190] CS: 0010 DS: 0000 ES: 0[ 86.975924] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000 CR0: 0000000080050033 # [ 83.631627] CR2: ffffffff9773c32[ 86.998118] CPU: 3 PID: 2152 Comm: cat Tainted: G D W 5.10.128-cip10 #1 8 CR3: 000000010592e000 CR4: 00000000003506e0 # WRITE_RO_AFTER_[ 87.013043] Hardware name: Google Coral/Coral, BIOS 09/29/2020 INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AF[ 87.025921] RIP: 0010:refcount_warn_saturate+0x87/0xf0 TER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ [ 87.037952] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb 83.946453] lkdtm: Performing direct entry WRITE_KERN # [ 83.9[ 87.065254] RSP: 0018:ffffa5b8c27bfe38 EFLAGS: 00010282 57330] lkdtm: attempting bad 6581924 byte write at ffffffff96cf8[ 87.077329] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 d54 # [ 83.964904] BUG: unable to handle page fault for addre[ 87.091581] RDX: ffff93f83bdac660 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 ss: ffffffff96cf8d54 # [ 83.972609] #PF: supervisor write acc[ 87.105903] RBP: ffffffff976c0040 R08: 0000000000000000 R09: 0000000000000000 ess in kernel mode # [ 83.978468] #PF: error_code(0x0003) - p[ 87.120092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ermissions violation # [ 83.984719] PGD 109e29067 P4D 109e290[ 87.134362] R13: ffffa5b8c27bff10 R14: ffffa5b8c27bff10 R15: ffff93f7c36e2000 67 PUD 109e2a063 PMD 1092001e1 # [ 83.998087] Oops: 0003 [#1[ 87.148592] FS: 00007f204a5e5580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 6] SMP PTI # [ 84.002089] CPU: 2 PID: 2021 Comm: cat Tainted:[ 87.163927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 G D W 5.10.128-cip10 #1 # [ 84.010755] Hardware[ 87.176607] CR2: 00007f204a3fe000 CR3: 000000010518e000 CR4: 00000000003506e0 name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.023633] RI[ 87.190886] Call Trace: P: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 84.028809] Code: 53 48[ 87.199910] __refcount_add_not_zero.constprop.0+0x2a/0x31 c7 c3 54 8d cf 96 49 89 dc 48 89 da 49 81 ec b0 1e 6b 96 4c 89 [ 87.212517] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e 6b 96 a4[ 87.224790] direct_entry.cold+0x2c/0x38 48 c7 c7 b8 11 6c 97 e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 87.235639] full_proxy_write+0x56/0x80 [ 84.049848] RSP: 0018:ffffa5b8c25efe50 EFLAGS: 00010246 # [ [ 87.245981] vfs_write+0xea/0x390 84.055697] RAX: 000000000000003c RBX: ffffffff96cf8d54 RCX: 00[ 87.255957] ksys_write+0x68/0xe0 00000000646ea4 # [ 84.063695] RDX: 0000000000000000 RSI: ffff[ 87.266082] do_syscall_64+0x33/0x40 ffff966b1eb0 RDI: ffffffff96cf8d54 # [ 84.071697] RBP: ffffff[ 87.276166] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ff976c03c2 R08: 0000000000000000 R09: 0000000000000000 # [ 84[ 87.288237] RIP: 0033:0x7f204a50df33 .079698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 87.298449] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000646ea4 # [ 84.087695] R13: ffffa5b8c25eff10 R14: ffffa5b8[ 87.325752] RSP: 002b:00007ffe97c00788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c25eff10 R15: ffff93f7c36f7000 # [ 84.095692] FS: 00007f240a[ 87.340398] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f204a50df33 781580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 #[ 87.354673] RDX: 000000000000001f RSI: 00007f204a3fe000 RDI: 0000000000000001 [ 84.104764] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 87.368903] RBP: 00007f204a3fe000 R08: 00007f204a3fd010 R09: 0000000000000000 3 # [ 84.111207] CR2: ffffffff96cf8d54 CR3: 000000010592e000 [ 87.383146] R10: 00007f204a6081c0 R11: 0000000000000246 R12: 0000000000000001 CR4: 00000000003506e0 # [ 84.119203] Call Trace: # [ 84.12[ 87.397367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1955] direct_entry.cold+0x2c/0x38 # [ 84.126362] full_proxy[ 87.411715] irq event stamp: 0 _write+0x56/0x80 # [ 84.130667] vfs_write+0xea/0x390 # [ [ 87.421255] hardirqs last enabled at (0): [<0000000000000000>] 0x0 84.134384] ksys_write+0x68/0xe0 # [ 84.138101] do_syscall_6[ 87.434652] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 4+0x33/0x40 # [ 84.142115] entry_SYSCALL_64_after_hwframe+0x[ 87.450044] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 44/0xa9 # [ 84.147779] RIP: 0033:0x7f240a6a9f33 # [ 84.151[ 87.465494] softirqs last disabled at (0): [<0000000000000000>] 0x0 785] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff[ 87.478743] ---[ end trace 4ce97796d555c40f ]--- eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 87.490165] lkdtm: Overflow detected: saturated 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.172816] RSP: 002b:00007ffd04b7feb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.181287] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f240a6a9f33 # [ 84.189281] RDX: 000000000000000b RSI: 00007f240a59a000 RDI: 0000000000000001 # [ 84.197281] RBP: 00007f240a59a000 R08: 00007f240a599010 R09: 0000000000000000 # [ 84.205279] R10: 00007f240a7a41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 84.213282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.221295] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.237318] CR2: ffffffff96cf8d54 # [ 84.241034] ---[ end trace 4ce97796d555c40b ]--- # [ 84.246214] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 84.250613] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 84.271662] RSP: 0018:ffffa5b8c12efe60 EFLAGS: 00010282 # [ 84.277520] RAX: ffffffff966b1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 84.285522] RDX: 0000000000000000 RSI: ffff93f83bd9bf70 RDI: ffffffff972d9a70 # [ 84.293519] RBP: ffffffff9771b5a8 R08: 0000000000000001 R09: 0000000000000001 # [ 84.301511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 84.309513] R13: ffffa5b8c12eff10 R14: ffffa5b8c12eff10 R15: ffff93f7c5a3c000 # [ 84.317511] FS: 00007f240a781580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 84.326577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.333004] CR2: ffffffff96cf8d54 CR3: 000000010592e000 CR4: 00000000003506e0 # [ 84.340997] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 84.350942] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2021, name: cat # [ 84.359429] INFO: lockdep is turned off. # [ 84.363822] irq event stamp: 0 # [ 84.367242] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.374263] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.383426] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 84.392587] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.399612] CPU: 2 PID: 2021 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 84.408296] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.414927] Call Trace: # [ 84.417674] dump_stack+0x77/0x97 # [ 84.421393] ___might_sleep.cold+0xa6/0xb6 # [ 84.425982] exit_signals+0x1c/0x2d0 # [ 84.429992] do_exit+0xd5/0xb00 # [ 84.433519] ? ksys_write+0x68/0xe0 # [ 84.437431] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 84.442900] rewind_stack_do_exit+0x17/0x20 # [ 84.447581] RIP: 0033:0x7f240a6a9f33 # [ 84.451588] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.472621] RSP: 002b:00007f[ 87.813844] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO fd04b7feb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84[ 87.825624] lkdtm: attempting good refcount_dec() .481109] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f[ 87.837152] lkdtm: attempting bad refcount_dec() to zero 240a6a9f33 # [ 84.489107] RDX: 000000000000000b RSI: 00007f24[ 87.849363] ------------[ cut here ]------------ 0a59a000 RDI: 0000000000000001 # [ 84.497105] RBP: 00007f240a[ 87.860778] refcount_t: decrement hit 0; leaking memory. 59a000 R08: 00007f240a599010 R09: 0000000000000000 # [ 84.505[ 87.873041] WARNING: CPU: 0 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 102] R10: 00007f240a7a41c0 R11: 0000000000000246 R12: 0000000000[ 87.888610] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000001 # [ 84.513099] R13: 0000000000000001 R14: 000000000002[ 87.910909] CPU: 0 PID: 2184 Comm: cat Tainted: G D W 5.10.128-cip10 #1 0000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok[ 87.925834] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.938728] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 87.944503] Code: ff 48 c7 c7 f0 be 65 97 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 65 97 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 87.965575] RSP: 0018:ffffa5b8c283fe48 EFLAGS: 00010286 [ 87.971457] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 87.979477] RDX: ffff93f83bc2c660 RSI: ffff93f83bc1bf70 RDI: ffff93f83bc1bf70 [ 87.987497] RBP: ffffffff976c03f9 R08: 0000000000000000 R09: 0000000000000000 [ 87.995513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 88.003530] R13: ffffa5b8c283ff10 R14: ffffa5b8c283ff10 R15: ffff93f7c29f6000 [ 88.011549] FS: 00007f3f207cc580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 [ 88.020641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.027101] CR2: 00007f3f205e5000 CR3: 0000000105920000 CR4: 00000000003506f0 [ 88.035117] Call Trace: [ 88.037885] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 [ 88.042894] direct_entry.cold+0x2c/0x38 [ 88.047319] full_proxy_write+0x56/0x80 ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFC[ 88.051646] vfs_write+0xea/0x390 [ 88.061576] ksys_write+0x68/0xe0 [ 88.065314] do_syscall_64+0x33/0x40 [ 88.069343] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.075027] RIP: 0033:0x7f3f206f4f33 [ 88.079053] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 88.100113] RSP: 002b:00007ffc91c0cd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.108625] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3f206f4f33 [ 88.116641] RDX: 0000000000000012 RSI: 00007f3f205e5000 RDI: 0000000000000001 OUNT_INC_OVERFLOW.sh # [ 84.895739] lkdtm: Performing direct [ 88.124664] RBP: 00007f3f205e5000 R08: 00007f3f205e4010 R09: 0000000000000000 entry REFCOUNT_INC_OVERFLOW # [ 84.908216] lkdtm: attempting [ 88.138910] R10: 00007f3f207ef1c0 R11: 0000000000000246 R12: 0000000000000001 [ 88.153142] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 good refcount_inc() without overflow # [ 84.915179] lkdtm: at[ 88.161179] irq event stamp: 0 [ 88.170855] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 88.177909] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 88.187106] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 88.196295] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.203335] ---[ end trace 4ce97796d555c410 ]--- [ 88.208524] lkdtm: Zero detected: saturated tempting bad refcount_inc() overflow # [ 84.921265] ------------[ cut here ]------------ # [ 84.926463] refcount_t: saturated; leaking memory. # [ 84.931915] WARNING: CPU: 2 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 84.941293] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 84.957353] CPU: 2 PID: 2056 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 84.966054] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 84.972711] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 84.978496] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 65 97 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 65 97 c6 05 3a # [ 84.999570] RSP: 0018:ffffa5b8c266fe48 EFLAGS: 00010286 # [ 85.005449] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 85.013468] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 85.021491] RBP: ffffffff976c03cd R08: 0000000000000000 R09: 0000000000000000 # [ 85.029510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 85.037530] R13: ffffa5b8c266ff10 R14: ffffa5b8c266ff10 R15: ffff93f7c5b34000 # [ 85.045551] FS: 00007ff2e6fb7580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 85.054647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 85.061112] CR2: 00007ff2e6dd0000 CR3: 0000000105b4c000 CR4: 00000000003506e0 # [ 85.069133] Call Trace: # [ 85.071906] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 85.077306] direct_entry.cold+0x2c/0x38 # [ 85.081734] full_proxy_write+0x56/0x80 # [ 85.086067] vfs_write+0xea/0x390 # [ 85.089807] ksys_write+0x68/0xe0 # [ 85.099755] do_syscall_64+0x33/0x40 # [ 85.103788] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 85.109478] RIP: 0033:0x7ff2e6edff33 # [ 85.113509] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.134581] RSP: 002b:00007ffd4ffb03e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.143094] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff2e6edff33 # [ 85.151111] RDX: 0000000000000016 RSI: 00007ff2e6dd0000 RDI: 0000000000000001 # [ 85.159130] RBP: 00007ff2e6dd0000 R08: 00007ff2e6dcf010 R09: 0000000000000000 # [ 85.167151] R10: 00007ff2e6fda1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.175168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.189421] irq event stamp: 0 # [ 85.199064] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.206118] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.215320] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.224506] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.231548] ---[ end trace 4ce97796d555c40c ]--- # [ 85.236741] lkdtm: Overflow detected: saturated[ 88.521824] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftest[ 88.531726] lkdtm: attempting bad refcount_dec() below zero s: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT[ 88.544257] ------------[ cut here ]------------ _ADD_OVERFLOW.sh # [ 85.546309] lkdtm: Performing direct entr[ 88.555702] refcount_t: decrement hit 0; leaking memory. y REFCOUNT_ADD_OVERFLOW # [ 85.554388] lkdtm: attempting good[ 88.567955] WARNING: CPU: 3 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 refcount_add() without overflow # [ 85.561361] lkdtm: attemp[ 88.583760] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ting bad refcount_add() overflow # [ 85.567436] ------------[[ 88.605753] CPU: 3 PID: 2219 Comm: cat Tainted: G D W 5.10.128-cip10 #1 cut here ]------------ # [ 85.578852] refcount_t: saturated;[ 88.620863] Hardware name: Google Coral/Coral, BIOS 09/29/2020 leaking memory. # [ 85.584297] WARNING: CPU: 2 PID: 2088 at [ 88.633554] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 85.599[ 88.645715] Code: ff 48 c7 c7 f0 be 65 97 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 65 97 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 933] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_[ 88.672850] RSP: 0018:ffffa5b8c28bfe48 EFLAGS: 00010286 sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_[ 88.685047] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 ec_dev cros_usbpd_notify # [ 85.622265] CPU: 2 PID: 2088 Comm[ 88.699203] RDX: ffff93f83bdac660 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 : cat Tainted: G D W 5.10.128-cip10 #1 # [ 85.63[ 88.713477] RBP: ffffffff976c040b R08: 0000000000000000 R09: 0000000000000000 7237] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 88.727686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 85.643911] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 85[ 88.741963] R13: ffffa5b8c28bff10 R14: ffffa5b8c28bff10 R15: ffff93f7c347f000 .649702] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6[ 88.756122] FS: 00007f2572bbb580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 a 1e 76 01 00 75 f2 48 c7 c7 40 be 65 97 c6 05 5a 1e 76 01 01 e8[ 88.771516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 b[ 88.784141] CR2: 00007f25729d4000 CR3: 0000000105c64000 CR4: 00000000003506e0 e 65 97 c6 05 3a # [ 85.670772] RSP: 0018:ffffa5b8c26cfe48 EF[ 88.798392] Call Trace: LAGS: 00010286 # [ 85.676657] RAX: 0000000000000000 RBX: 0000[ 88.807381] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d 00000000002c RCX: 0000000000000000 # [ 85.684685] RDX: ffff93[ 88.819029] direct_entry.cold+0x2c/0x38 f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 85[ 88.829621] full_proxy_write+0x56/0x80 .692707] RBP: ffffffff976c03e3 R08: 0000000000000000 R09: 000000[ 88.840203] vfs_write+0xea/0x390 0000000000 # [ 85.700731] R10: 00000000ffffe000 R11: 3fffffff[ 88.850176] ksys_write+0x68/0xe0 ffffffff R12: 0000000000000016 # [ 85.708755] R13: ffffa5b8c2[ 88.860115] do_syscall_64+0x33/0x40 6cff10 R14: ffffa5b8c26cff10 R15: ffff93f7c35bf000 # [ 85.716[ 88.870345] entry_SYSCALL_64_after_hwframe+0x44/0xa9 783] FS: 00007fd3d99b3580(0000) GS:ffff93f83bd00000(0000) knlGS[ 88.882287] RIP: 0033:0x7f2572ae3f33 :0000000000000000 # [ 85.725885] CS: 0010 DS: 0000 ES: 0000 [ 88.892490] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 CR0: 0000000080050033 # [ 85.732351] CR2: 00007fd3d97cc000 CR[ 88.919829] RSP: 002b:00007fffdd54e718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 3: 0000000103624000 CR4: 00000000003506e0 # [ 85.740375] Call[ 88.934488] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2572ae3f33 Trace: # [ 85.743151] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3[ 88.948714] RDX: 0000000000000016 RSI: 00007f25729d4000 RDI: 0000000000000001 # [ 85.748553] direct_entry.cold+0x2c/0x38 # [ 85.752983[ 88.963044] RBP: 00007f25729d4000 R08: 00007f25729d3010 R09: 0000000000000000 ] full_proxy_write+0x56/0x80 # [ 85.763542] vfs_write+0xea/[ 88.977205] R10: 00007f2572bde1c0 R11: 0000000000000246 R12: 0000000000000001 0x390 # [ 85.767288] ksys_write+0x68/0xe0 # [ 85.771033] [ 88.991446] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 do_syscall_64+0x33/0x40 # [ 85.775071] entry_SYSCALL_64_aft[ 89.005684] irq event stamp: 0 er_hwframe+0x44/0xa9 # [ 85.780765] RIP: 0033:0x7fd3d98dbf33[ 89.015392] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.784792] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c[ 89.028629] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 89.044024] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 89.059460] softirqs last disabled at (0): [<0000000000000000>] 0x0 8 83 ec 28 48 89 54 24 18 # [ 85.805876] RSP: 002b:00007fff55[ 89.072705] ---[ end trace 4ce97796d555c411 ]--- 548428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.814[ 89.084156] lkdtm: Negative detected: saturated 388] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fd3d98dbf33 # [ 85.822403] RDX: 0000000000000016 RSI: 00007fd3d97cc000 RDI: 0000000000000001 # [ 85.830422] RBP: 00007fd3d97cc000 R08: 00007fd3d97cb010 R09: 0000000000000000 # [ 85.838442] R10: 00007fd3d99d61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 85.852688] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.866950] irq event stamp: 0 # [ 85.870397] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.877451] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.886643] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 85.895832] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.902884] ---[ end trace 4ce97796d555c40d ]--- # [ 85.908078] 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 # [ 86.221940] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 86.232592] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 86.239555] ------------[ cut here ]------------ # [ 86.244760] refcount_t: saturated; leaking memory. # [ 86.256424] WARNING: CPU: 1 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 86.272051] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.294325] CPU: 1 PID: 2120 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 86.303031] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.309685] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 86.315469] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb # [ 86.336548] RSP: 0018:ffffa5b8c272fe38 EFLAGS: 00010282 # [ 86.342422] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 86.356678] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 # [ 86.364704] RBP: ffffffff976c0020 R08: 0000000000000000 R09: 0000000000000000 # [ 86.372728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 86.380745] R13: ffffa5b8c272ff10 R14: ffffa5b8c272ff10 R15: ffff93f7c5846000 # [ 86.388765] FS: 00007fbc581b9580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 86.397854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.404316] CR2: 00007fbc57fd2000 CR3: 0000000105c64000 CR4: 00000000003506e0 # [ 86.412335] Call Trace: # [ 86.415108] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 86.421287] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 86.427566] direct_entry.cold+0x2c/0x38 # [ 86.431991] full_proxy_write+0x56/0x80 # [ 86.442531] vfs_write+0xea/0x390 # [ 86.446270] ksys_write+0x68/0xe0 # [ 86.450011] do_syscall_64+0x33/0x40 # [ 86.460265] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 86.465950] RIP: 0033:0x7fbc580e1f33 # [ 86.469977] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25[ 89.415387] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 89.427295] lkdtm: attempting bad refcount_dec_and_test() below zero 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f[ 89.434498] ------------[ cut here ]------------ [ 89.445944] refcount_t: underflow; use-after-free. [ 89.451388] WARNING: CPU: 1 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 89.460777] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.476830] CPU: 1 PID: 2254 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 89.485540] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.492209] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 89.497994] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 65 [ 89.519075] RSP: 0018:ffffa5b8c2937e40 EFLAGS: 00010286 [ 89.524960] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 89.532982] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 [ 89.541014] RBP: ffffffff976c0060 R08: 0000000000000000 R09: 0000000000000000 [ 89.549046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 89.557076] R13: ffffa5b8c2937f10 R14: ffffa5b8c2937f10 R15: ffff93f7c5c65000 [ 89.565100] FS: 00007fc2cd346580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 89.574197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.580662] CR2: 00007fc2cd15f000 CR3: 00000001029c4000 CR4: 00000000003506e0 [ 89.588686] Call Trace: [ 89.591462] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 89.597645] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 [ 89.603927] direct_entry.cold+0x2c/0x38 [ 89.608358] full_proxy_write+0x56/0x80 [ 89.612693] vfs_write+0xea/0x390 [ 89.616438] ksys_write+0x68/0xe0 [ 89.620186] do_syscall_64+0x33/0x40 [ 89.624225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.629914] RIP: 0033:0x7fc2cd26ef33 [ 89.633947] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 89.655016] RSP: 002b:00007ffc5fbcb4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.663530] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc2cd26ef33 [ 89.671563] RDX: 000000000000001f RSI: 00007fc2cd15f000 RDI: 0000000000000001 [ 89.679593] RBP: 00007fc2cd15f000 R08: 00007fc2cd15e010 R09: 0000000000000000 [ 89.687620] R10: 00007fc2cd3691c0 R11: 0000000000000246 R12: 0000000000000001 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 86.4972[ 89.695653] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 65] RSP: 002b:00007fff5cd2cb58 EFLAGS: 00000246 ORIG_RAX: 000000[ 89.709907] irq event stamp: 0 0000000001 # [ 86.505773] RAX: ffffffffffffffda RBX: 00000000[ 89.719557] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.732845] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 89.742056] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 89.751250] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 89.758299] ---[ end trace 4ce97796d555c412 ]--- [ 89.763529] lkdtm: Negative detected: saturated 0000001f RCX: 00007fbc580e1f33 # [ 86.513770] RDX: 000000000000001f RSI: 00007fbc57fd2000 RDI: 0000000000000001 # [ 86.528012] RBP: 00007fbc57fd2000 R08: 00007fbc57fd1010 R09: 0000000000000000 # [ 86.536030] R10: 00007fbc581dc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 86.544051] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 86.552079] irq event stamp: 0 # [ 86.555523] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 86.562585] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.571819] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 86.581036] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.594298] ---[ end trace 4ce97796d555c40e ]--- # [ 86.599492] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 86.912851] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 86.924062] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 86.937233] ------------[ cut here ]------------ # [ 86.948628] refcount_t: saturated; leaking memory. # [ 86.960357] WARNING: CPU: 3 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 86.975924] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.998118] CPU: 3 PID: 2152 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 87.013043] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.025921] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 87.037952] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb # [ 87.065254] RSP: 0018:ffffa5b8c27bfe38 EFLAGS: 00010282 # [ 87.077329] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 87.091581] RDX: ffff93f83bdac660 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 # [ 87.105903] RBP: ffffffff976c0040 R08: 0000000000000000 R09: 0000000000000000 # [ 87.120092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 87.134362] R13: ffffa5b8c27bff10 R14: ffffa5b8c27bff10 R15: ffff93f7c36e2000 # [ 87.148592] FS: 00007f204a5e5580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 87.163927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.176607] CR2: 00007f204a3fe000 CR3: 000000010518e000 CR4: 00000000003506e0 # [ 87.190886] Call Trace: # [ 87.199910] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 87.212517] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 87.224790] direct_entry.cold+0x2c/0x38 # [ 87.235639] full_proxy_write+0x56/0x80 # [ 87.245981] vfs_write+0xea/0x390 # [ 87.255957] ksys_write+0x68/0xe0 # [ 87.266082] do_syscall_64+0x33/0x40 # [ 87.276166] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 87.288237] RIP: 0033:0x7f204a50df33 # [ 87.298449] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00[ 90.093611] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 48 83 ec 28 48 89 54 24 18 # [ 87.325752] RSP: 002b:00007ffe[ 90.106722] lkdtm: attempting bad refcount_sub_and_test() below zero 97c00788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.3[ 90.120083] ------------[ cut here ]------------ [ 90.131507] refcount_t: underflow; use-after-free. 40398] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f20[ 90.136946] WARNING: CPU: 0 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 4a50df33 # [ 87.354673] RDX: 000000000000001f RSI: 00007f204a[ 90.152599] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3fe000 RDI: 0000000000000001 # [ 87.368903] RBP: 00007f204a3f[ 90.174819] CPU: 0 PID: 2289 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 90.189737] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 90.196402] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 90.202185] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 65 [ 90.223254] RSP: 0018:ffffa5b8c29d7e40 EFLAGS: 00010286 [ 90.229132] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 90.237153] RDX: ffff93f83bc2c660 RSI: ffff93f83bc1bf70 RDI: ffff93f83bc1bf70 [ 90.245174] RBP: ffffffff976c0080 R08: 0000000000000000 R09: 0000000000000000 [ 90.253199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 90.261222] R13: ffffa5b8c29d7f10 R14: ffffa5b8c29d7f10 R15: ffff93f7c3261000 [ 90.269243] FS: 00007f10553b3580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 [ 90.278338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.284802] CR2: 00007f10551cc000 CR3: 0000000105cf4000 CR4: 00000000003506f0 [ 90.292824] Call Trace: [ 90.295602] __refcount_sub_and_test.constprop.0+0x34/0x40 e000 R08: 00007f204a3fd010 R09: 0000000000000000 # [ 87.38314[ 90.301780] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 90.314247] direct_entry.cold+0x2c/0x38 [ 90.318674] full_proxy_write+0x56/0x80 6] R10: 00007f204a6081c0 R11: 0000000000000246 R12: 000000000000[ 90.322997] vfs_write+0xea/0x390 [ 90.332936] ksys_write+0x68/0xe0 0001 # [ 87.397367] R13: 0000000000000001 R14: 00000000000200[ 90.336677] do_syscall_64+0x33/0x40 [ 90.346911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.352604] RIP: 0033:0x7f10552dbf33 [ 90.356638] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 90.377711] RSP: 002b:00007ffff77482a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 R15: 0000000000020000 # [ 87.411715] irq event stamp: 0 #[ 90.386231] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f10552dbf33 [ 87.421255] hardirqs last enabled at (0): [<000000000000000[ 90.400456] RDX: 000000000000001f RSI: 00007f10551cc000 RDI: 0000000000000001 [ 90.414691] RBP: 00007f10551cc000 R08: 00007f10551cb010 R09: 0000000000000000 [ 90.422712] R10: 00007f10553d61c0 R11: 0000000000000246 R12: 0000000000000001 [ 90.430730] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0>] 0x0 # [ 87.434652] hardirqs last disabled at (0): [] 0x0 [ 90.455503] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 90.464699] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 90.473892] softirqs last disabled at (0): [<0000000000000000>] 0x0 fff95ef9f9c>] copy_process+0x63c/0x1c80 # [ 87.450044] softir[ 90.480938] ---[ end trace 4ce97796d555c413 ]--- [ 90.492362] lkdtm: Negative detected: saturated qs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 87.465494] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.478743] ---[ end trace 4ce97796d555c40f ]--- # [ 87.490165] 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 # [ 87.813844] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 87.825624] lkdtm: attempting good refcount_dec() # [ 87.837152] lkdtm: attempting bad refcount_dec() to zero # [ 87.849363] ------------[ cut here ]------------ # [ 87.860778] refcount_t: decrement hit 0; leaking memory. # [ 87.873041] WARNING: CPU: 0 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 87.888610] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.910909] CPU: 0 PID: 2184 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 87.925834] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.938728] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 87.944503] Code: ff 48 c7 c7 f0 be 65 97 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 65 97 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 87.965575] RSP: 0018:ffffa5b8c283fe48 EFLAGS: 00010286 # [ 87.971457] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 87.979477] RDX: ffff93f83bc2c660 RSI: ffff93f83bc1bf70 RDI: ffff93f83bc1bf70 # [ 87.987497] RBP: ffffffff976c03f9 R08: 0000000000000000 R09: 0000000000000000 # [ 87.995513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 88.003530] R13: ffffa5b8c283ff10 R14: ffffa5b8c283ff10 R15: ffff93f7c29f6000 # [ 88.011549] FS: 00007f3f207cc580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 # [ 88.020641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.027101] CR2: 00007f3f205e5000 CR3: 0000000105920000 CR4: 00000000003506f0 # [ 88.035117] Call Trace: # [ 88.037885] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 88.042894] direct_entry.cold+0x2c/0x38 # [ 88.047319] full_proxy_write+0x56/0x80 # [ 88.051646] vfs_write+0xea/0x390 # [ 88.061576] ksys_write+0x68/0xe0 # [ 88.065314] do_syscall_64+0x33/0x40 # [ 88.069343] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 88.075027] RIP: 0033:0x7f3f206f4f33 # [ 88.079053] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.100113] RSP: 002b:00007ffc91c0cd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.108625] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3f206f4f33 # [ 88.116641] RDX: 0000000000000012 RSI: 00007f3f205e5000 RDI: 0000000000000001 # [ 88.124664] RBP: 00007f3f205e5000 R08: 00007f3f205e4010 R09: 0000000000000000 # [ 88.138910] R10: 00007f3f207ef1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.153142] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.161179] irq event stamp: 0 # [ 88.17[ 90.821031] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 90.828239] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 90.835399] lkdtm: Good: zero detected 0855] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #[ 90.839617] lkdtm: Correctly stayed at zero [ 88.177909] hardirqs last disabled at (0): [ 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d [ 90.941627] RSP: 0018:ffffa5b8c2a17e48 EFLAGS: 00010286 [ 90.947513] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 90.955523] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 90.963544] RBP: ffffffff976c0421 R08: 0000000000000000 R09: 0000000000000000 [ 90.971563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 90.979589] R13: ffffa5b8c2a17f10 R14: ffffa5b8c2a17f10 R15: ffff93f7c5b4c000 [ 90.987618] FS: 00007f54eddab580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 90.996711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.003174] CR2: 00007f54edbc4000 CR3: 000000010353a000 CR4: 00000000003506e0 [ 91.011202] Call Trace: [ 91.013977] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd c>] copy_process+0x63c/0x1c80 # [ 88.187106] softirqs last e[ 91.018983] direct_entry.cold+0x2c/0x38 [ 91.029615] full_proxy_write+0x56/0x80 [ 91.033942] vfs_write+0xea/0x390 [ 91.037676] ksys_write+0x68/0xe0 [ 91.041420] do_syscall_64+0x33/0x40 [ 91.045454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.051138] RIP: 0033:0x7f54edcd3f33 [ 91.055167] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 91.076250] RSP: 002b:00007ffd41789338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.084771] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f54edcd3f33 [ 91.092795] RDX: 0000000000000012 RSI: 00007f54edbc4000 RDI: 0000000000000001 [ 91.100820] RBP: 00007f54edbc4000 R08: 00007f54edbc3010 R09: 0000000000000000 [ 91.108845] R10: 00007f54eddce1c0 R11: 0000000000000246 R12: 0000000000000001 nabled at (0): [] copy_process+0x63c/0x1c80 #[ 91.116874] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.196295] softirqs last disabled at (0): [<000000000000000[ 91.131121] irq event stamp: 0 0>] 0x0 # [ 88.203335] ---[ end trace 4ce97796d555c410 ]--- [ 91.140780] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.154049] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 91.163247] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 91.172437] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.179477] ---[ end trace 4ce97796d555c414 ]--- [ 91.184664] lkdtm: Zero detected: saturated # [ 88.208524] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 88.521824] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 88.531726] lkdtm: attempting bad refcount_dec() below zero # [ 88.544257] ------------[ cut here ]------------ # [ 88.555702] refcount_t: decrement hit 0; leaking memory. # [ 88.567955] WARNING: CPU: 3 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 88.583760] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.605753] CPU: 3 PID: 2219 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 88.620863] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.633554] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 88.645715] Code: ff 48 c7 c7 f0 be 65 97 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 65 97 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 88.672850] RSP: 0018:ffffa5b8c28bfe48 EFLAGS: 00010286 # [ 88.685047] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 88.699203] RDX: ffff93f83bdac660 RSI: ffff93f83bd9bf70 RDI: ffff93f83bd9bf70 # [ 88.713477] RBP: ffffffff976c040b R08: 0000000000000000 R09: 0000000000000000 # [ 88.727686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 88.741963] R13: ffffa5b8c28bff10 R14: ffffa5b8c28bff10 R15: ffff93f7c347f000 # [ 88.756122] FS: 00007f2572bbb580(0000) GS:ffff93f83bd80000(0000) knlGS:0000000000000000 # [ 88.771516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 88.784141] CR2: 00007f25729d4000 CR3: 0000000105c64000 CR4: 00000000003506e0 # [ 88.798392] Call Trace: # [ 88.807381] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 88.819029] direct_entry.cold+0x2c/0x38 # [ 88.829621] full_proxy_write+0x56/0x80 # [ 88.840203] vfs_write+0xea/0x390 # [ 88.850176] ksys_write+0x68/0xe0 # [ 88.860115] do_syscall_64+0x33/0x40 # [ 88.870345] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 88.882287] RIP: 0033:0x7f2572ae3f33 # [ 88.892490] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.919829] RSP: 002b:00007fffdd54e718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 88.934488] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2572ae3f33 # [ 88.948714] RDX: 0000000000000016 RSI: 00007f25729d4000 RDI: 0000000000000001 # [ 88.963044] RBP: 00007f25729d4000 R08: 00007f25729d3010 R09: 0000000000000000 # [ 88.977205] R10: 00007f2572bde1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 88.991446] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.005684] irq event stamp: 0 # [ 89.015392] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.028629] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.044024] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.059460] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89[ 91.516062] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 91.526174] lkdtm: attempting safe refcount_add_not_zero() from zero [ 91.533350] lkdtm: Good: zero detected .072705] ---[ end trace 4ce97796d555c411 ]--- # [ 89.084156] [ 91.537573] lkdtm: Correctly stayed at zero lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: sa[ 91.548495] lkdtm: attempting bad refcount_add() from zero [ 91.560889] ------------[ cut here ]------------ [ 91.566083] refcount_t: addition on 0; use-after-free. [ 91.571924] WARNING: CPU: 2 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 [ 91.581306] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 91.597341] CPU: 2 PID: 2353 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 91.606036] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 91.612698] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 91.618491] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 65 97 c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d [ 91.639559] RSP: 0018:ffffa5b8c2acfe48 EFLAGS: 00010286 [ 91.645443] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 91.653454] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 91.661466] RBP: ffffffff976c0433 R08: 0000000000000000 R09: 0000000000000000 [ 91.669475] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 91.677481] R13: ffffa5b8c2acff10 R14: ffffa5b8c2acff10 R15: ffff93f7c5887000 [ 91.685488] FS: 00007fea97e12580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 91.694561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.701014] CR2: 00007fea97c2b000 CR3: 0000000102984000 CR4: 00000000003506e0 [ 91.709028] Call Trace: w 'Negative detected: saturated': ok ok 47 selftests: lkdtm: RE[ 91.711795] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd FCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TES[ 91.723000] direct_entry.cold+0x2c/0x38 [ 91.733611] full_proxy_write+0x56/0x80 [ 91.737933] vfs_write+0xea/0x390 [ 91.741669] ksys_write+0x68/0xe0 [ 91.745408] do_syscall_64+0x33/0x40 [ 91.749435] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.755121] RIP: 0033:0x7fea97d3af33 [ 91.759150] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 91.780215] RSP: 002b:00007ffcbcaf9b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 91.788726] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fea97d3af33 [ 91.796757] RDX: 0000000000000012 RSI: 00007fea97c2b000 RDI: 0000000000000001 [ 91.804782] RBP: 00007fea97c2b000 R08: 00007fea97c2a010 R09: 0000000000000000 [ 91.812800] R10: 00007fea97e351c0 R11: 0000000000000246 R12: 0000000000000001 T_NEGATIVE.sh # [ 89.415387] lkdtm: Performing direct entry R[ 91.820818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 EFCOUNT_DEC_AND_TEST_NEGATIVE # [ 89.427295] lkdtm: attemptin[ 91.835073] irq event stamp: 0 [ 91.844728] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 91.851776] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 g bad refcount_dec_and_test() below zero # [ 89.434498] -----[ 91.860972] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 91.876388] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 91.883435] ---[ end trace 4ce97796d555c415 ]--- [ 91.888631] lkdtm: Zero detected: saturated -------[ cut here ]------------ # [ 89.445944] refcount_t: underflow; use-after-free. # [ 89.451388] WARNING: CPU: 1 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 89.460777] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 89.476830] CPU: 1 PID: 2254 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 89.485540] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 89.492209] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 89.497994] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 65 # [ 89.519075] RSP: 0018:ffffa5b8c2937e40 EFLAGS: 00010286 # [ 89.524960] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 89.532982] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 # [ 89.541014] RBP: ffffffff976c0060 R08: 0000000000000000 R09: 0000000000000000 # [ 89.549046] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 89.557076] R13: ffffa5b8c2937f10 R14: ffffa5b8c2937f10 R15: ffff93f7c5c65000 # [ 89.565100] FS: 00007fc2cd346580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 89.574197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.580662] CR2: 00007fc2cd15f000 CR3: 00000001029c4000 CR4: 00000000003506e0 # [ 89.588686] Call Trace: # [ 89.591462] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 89.597645] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 89.603927] direct_entry.cold+0x2c/0x38 # [ 89.608358] full_proxy_write+0x56/0x80 # [ 89.612693] vfs_write+0xea/0x390 # [ 89.616438] ksys_write+0x68/0xe0 # [ 89.620186] do_syscall_64+0x33/0x40 # [ 89.624225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 89.629914] RIP: 0033:0x7fc2cd26ef33 # [ 89.633947] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 89.655016] RSP: 002b:00007ffc5fbcb4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.663530] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc2cd26ef33 # [ 89.671563] RDX: 000000000000001f RSI: 00007fc2cd15f000 RDI: 0000000000000001 # [ 89.679593] RBP: 00007fc2cd15f000 R08: 00007fc2cd15e010 R09: 0000000000000000 # [ 89.687620] R10: 00007fc2cd3691c0 R11: 0000000000000246 R12: 0000000000000001 # [ 89.695653] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 89.709907] irq event stamp: 0 # [ 89.719557] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 89.732845] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.742056] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 89.751250] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 89.758299] ---[ end trace 4ce97796d555c412 ]--- # [ 89.763529] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 90.093611] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 90.106722] lkdtm: attempting b[ 92.231111] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED ad refcount_sub_and_test() below zero # [ 90.120083] --------[ 92.242972] lkdtm: attempting bad refcount_inc() from saturated [ 92.255892] ------------[ cut here ]------------ [ 92.261092] refcount_t: saturated; leaking memory. [ 92.266533] WARNING: CPU: 2 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 ----[ cut here ]------------ # [ 90.131507] refcount_t: under[ 92.275925] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.298124] CPU: 2 PID: 2388 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 92.306825] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.313482] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 92.319266] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 65 97 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 65 97 c6 05 3a [ 92.340331] RSP: 0018:ffffa5b8c2b5fe48 EFLAGS: 00010286 [ 92.346211] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 92.354238] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 92.362253] RBP: ffffffff976c0445 R08: 0000000000000000 R09: 0000000000000000 [ 92.370269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 92.378285] R13: ffffa5b8c2b5ff10 R14: ffffa5b8c2b5ff10 R15: ffff93f7c2984000 [ 92.386306] FS: 00007fa438f4b580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 92.395396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.401845] CR2: 00007fa438d64000 CR3: 0000000103208000 CR4: 00000000003506e0 [ 92.409860] Call Trace: [ 92.412640] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 [ 92.418126] direct_entry.cold+0x2c/0x38 [ 92.422552] full_proxy_write+0x56/0x80 [ 92.426887] vfs_write+0xea/0x390 [ 92.430618] ksys_write+0x68/0xe0 [ 92.434361] do_syscall_64+0x33/0x40 [ 92.438395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.444083] RIP: 0033:0x7fa438e73f33 [ 92.448113] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 92.469182] RSP: 002b:00007ffc8fa0e778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.477690] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa438e73f33 [ 92.485716] RDX: 0000000000000017 RSI: 00007fa438d64000 RDI: 0000000000000001 [ 92.493733] RBP: 00007fa438d64000 R08: 00007fa438d63010 R09: 0000000000000000 [ 92.501748] R10: 00007fa438f6e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 92.509762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 flow; use-after-free. # [ 90.136946] WARNING: CPU: 0 PID: 228[ 92.517786] irq event stamp: 0 9 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 9[ 92.527441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0.152599] Modules linked in: fuse ip_tables cros_ec_lightbar cro[ 92.540707] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 92.556111] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 92.565295] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.572334] ---[ end trace 4ce97796d555c416 ]--- [ 92.577527] lkdtm: Saturation detected: still saturated s_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.174819] CPU: 0 PID: 2289 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 90.189737] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.196402] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 90.202185] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 65 # [ 90.223254] RSP: 0018:ffffa5b8c29d7e40 EFLAGS: 00010286 # [ 90.229132] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 90.237153] RDX: ffff93f83bc2c660 RSI: ffff93f83bc1bf70 RDI: ffff93f83bc1bf70 # [ 90.245174] RBP: ffffffff976c0080 R08: 0000000000000000 R09: 0000000000000000 # [ 90.253199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 90.261222] R13: ffffa5b8c29d7f10 R14: ffffa5b8c29d7f10 R15: ffff93f7c3261000 # [ 90.269243] FS: 00007f10553b3580(0000) GS:ffff93f83bc00000(0000) knlGS:0000000000000000 # [ 90.278338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.284802] CR2: 00007f10551cc000 CR3: 0000000105cf4000 CR4: 00000000003506f0 # [ 90.292824] Call Trace: # [ 90.295602] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 90.301780] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 90.314247] direct_entry.cold+0x2c/0x38 # [ 90.318674] full_proxy_write+0x56/0x80 # [ 90.322997] vfs_write+0xea/0x390 # [ 90.332936] ksys_write+0x68/0xe0 # [ 90.336677] do_syscall_64+0x33/0x40 # [ 90.346911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 90.352604] RIP: 0033:0x7f10552dbf33 # [ 90.356638] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.377711] RSP: 002b:00007ffff77482a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.386231] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f10552dbf33 # [ 90.400456] RDX: 000000000000001f RSI: 00007f10551cc000 RDI: 0000000000000001 # [ 90.414691] RBP: 00007f10551cc000 R08: 00007f10551cb010 R09: 0000000000000000 # [ 90.422712] R10: 00007f10553d61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 90.430730] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.438764] irq event stamp: 0 # [ 90.448447] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.455503] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.464699] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 90.473892] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.480938] ---[ end trace 4ce97796d555c413 ]--- # [ 90.492362] 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 # [ 90.821031] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 90.828239] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 90.835399] lkdtm: Good: zero detected # [ 90.839617] lkdtm: Correctly stayed at zero # [ 90.850545] lkdtm: attempting bad refcount_inc() from zero # [ 90.862937] ------------[ cut here ]------------ # [ 90.868133] refcount_t: ad[ 92.925082] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED dition on 0; use-after-free. # [ 90.873959] WARNING: CPU: 2 P[ 92.933057] lkdtm: attempting bad refcount_dec() from saturated [ 92.945946] ------------[ cut here ]------------ [ 92.951137] refcount_t: decrement hit 0; leaking memory. ID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 [ 92.957156] WARNING: CPU: 1 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 92.972738] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.988777] CPU: 1 PID: 2423 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 92.997470] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.004125] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 93.009901] Code: ff 48 c7 c7 f0 be 65 97 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 c7 c0 be 65 97 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 93.030951] RSP: 0018:ffffa5b8c2bf7e48 EFLAGS: 00010286 [ 93.036824] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 93.044837] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 [ 93.052855] RBP: ffffffff976c045c R08: 0000000000000000 R09: 0000000000000000 [ 93.060864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 93.068876] R13: ffffa5b8c2bf7f10 R14: ffffa5b8c2bf7f10 R15: ffff93f7c41f6000 [ 93.076885] FS: 00007f17b2086580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 93.085972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.092423] CR2: 00007f17b1e9f000 CR3: 0000000103282000 CR4: 00000000003506e0 [ 93.100436] Call Trace: [ 93.103206] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 93.108699] direct_entry.cold+0x2c/0x38 [ 93.113123] full_proxy_write+0x56/0x80 [ 93.117450] vfs_write+0xea/0x390 [ 93.121188] ksys_write+0x68/0xe0 [ 93.124930] do_syscall_64+0x33/0x40 [ 93.128957] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.134642] RIP: 0033:0x7f17b1faef33 [ 93.138673] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 93.159719] RSP: 002b:00007fffbf9e0fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.168225] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f17b1faef33 [ 93.176239] RDX: 0000000000000017 RSI: 00007f17b1e9f000 RDI: 0000000000000001 [ 93.184261] RBP: 00007f17b1e9f000 R08: 00007f17b1e9e010 R09: 0000000000000000 [ 93.192272] R10: 00007f17b20a91c0 R11: 0000000000000246 R12: 0000000000000001 [ 93.200286] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.883352] Modules linked in: fuse ip_tables cros_ec_light[ 93.208311] irq event stamp: 0 bar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_t[ 93.217965] hardirqs last enabled at (0): [<0000000000000000>] 0x0 hermal cros_ec_dev cros_usbpd_notify # [ 90.899406] CPU: 2 PI[ 93.231233] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 93.246647] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 93.255842] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.262883] ---[ end trace 4ce97796d555c417 ]--- [ 93.268075] lkdtm: Saturation detected: still saturated D: 2321 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 90.908108] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.914766] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 90.920553] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 65 97 c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d # [ 90.941627] RSP: 0018:ffffa5b8c2a17e48 EFLAGS: 00010286 # [ 90.947513] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 90.955523] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 90.963544] RBP: ffffffff976c0421 R08: 0000000000000000 R09: 0000000000000000 # [ 90.971563] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.979589] R13: ffffa5b8c2a17f10 R14: ffffa5b8c2a17f10 R15: ffff93f7c5b4c000 # [ 90.987618] FS: 00007f54eddab580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 90.996711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.003174] CR2: 00007f54edbc4000 CR3: 000000010353a000 CR4: 00000000003506e0 # [ 91.011202] Call Trace: # [ 91.013977] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 91.018983] direct_entry.cold+0x2c/0x38 # [ 91.029615] full_proxy_write+0x56/0x80 # [ 91.033942] vfs_write+0xea/0x390 # [ 91.037676] ksys_write+0x68/0xe0 # [ 91.041420] do_syscall_64+0x33/0x40 # [ 91.045454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 91.051138] RIP: 0033:0x7f54edcd3f33 # [ 91.055167] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 91.076250] RSP: 002b:00007ffd41789338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.084771] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f54edcd3f33 # [ 91.092795] RDX: 0000000000000012 RSI: 00007f54edbc4000 RDI: 0000000000000001 # [ 91.100820] RBP: 00007f54edbc4000 R08: 00007f54edbc3010 R09: 0000000000000000 # [ 91.108845] R10: 00007f54eddce1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.116874] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.131121] irq event stamp: 0 # [ 91.140780] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.154049] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.163247] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.172437] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.179477] ---[ end trace 4ce97796d555c414 ]--- # [ 91.184664] 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 # [ 91.516062] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 91.526174] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 91.533350] lkdtm: Good: zero detected # [ 91.537573] lkdtm: Correctly stayed at zero # [ 91.548495] lkdtm: attempting bad refcount_add() from zero # [ 91.560889] ------------[ cut here ]------------ # [ 91.566083] refcount_t: addition on 0; use-after-free. # [ 91.571924] WARNING: CPU: 2 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 91.581306] Modules linked in: fuse ip_tables cro[ 93.608650] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 93.617273] lkdtm: attempting bad refcount_dec() from saturated [ 93.623924] ------------[ cut here ]------------ [ 93.629122] refcount_t: saturated; leaking memory. [ 93.634566] WARNING: CPU: 2 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 93.643941] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify s_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_[ 93.659976] CPU: 2 PID: 2458 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 93.674880] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.681537] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 93.687317] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 65 97 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 65 97 c6 05 3a [ 93.708373] RSP: 0018:ffffa5b8c2c5fe48 EFLAGS: 00010286 [ 93.714245] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 93.722257] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 93.730261] RBP: ffffffff976c0473 R08: 0000000000000000 R09: 0000000000000000 [ 93.738287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 93.746306] R13: ffffa5b8c2c5ff10 R14: ffffa5b8c2c5ff10 R15: ffff93f7c29bb000 [ 93.754324] FS: 00007fbc6691d580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 93.763411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.769874] CR2: 00007fbc66736000 CR3: 000000010347a000 CR4: 00000000003506e0 [ 93.777889] Call Trace: [ 93.780658] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 [ 93.786153] direct_entry.cold+0x2c/0x38 [ 93.790579] full_proxy_write+0x56/0x80 [ 93.794903] vfs_write+0xea/0x390 [ 93.798641] ksys_write+0x68/0xe0 [ 93.802383] do_syscall_64+0x33/0x40 [ 93.806414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.812092] RIP: 0033:0x7fbc66845f33 [ 93.816115] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 93.837179] RSP: 002b:00007ffeafbf1808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.845689] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbc66845f33 [ 93.853708] RDX: 0000000000000017 RSI: 00007fbc66736000 RDI: 0000000000000001 [ 93.861730] RBP: 00007fbc66736000 R08: 00007fbc66735010 R09: 0000000000000000 [ 93.869753] R10: 00007fbc669401c0 R11: 0000000000000246 R12: 0000000000000001 [ 93.877769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.597341][ 93.885789] irq event stamp: 0 CPU: 2 PID: 2353 Comm: cat Tainted: G D W 5.10.128[ 93.895441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 -cip10 #1 # [ 91.606036] Hardware name: Google Coral/Coral, B[ 93.908712] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 93.924118] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 93.933310] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 93.940353] ---[ end trace 4ce97796d555c418 ]--- [ 93.945546] lkdtm: Saturation detected: still saturated IOS 09/29/2020 # [ 91.612698] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 91.618491] Code: 05 5a 1e 76 01 01 e8 2d 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 65 97 c6 05 3a 1e 76 01 01 e8 0e 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d # [ 91.639559] RSP: 0018:ffffa5b8c2acfe48 EFLAGS: 00010286 # [ 91.645443] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 91.653454] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 91.661466] RBP: ffffffff976c0433 R08: 0000000000000000 R09: 0000000000000000 # [ 91.669475] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 91.677481] R13: ffffa5b8c2acff10 R14: ffffa5b8c2acff10 R15: ffff93f7c5887000 # [ 91.685488] FS: 00007fea97e12580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 91.694561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.701014] CR2: 00007fea97c2b000 CR3: 0000000102984000 CR4: 00000000003506e0 # [ 91.709028] Call Trace: # [ 91.711795] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 91.723000] direct_entry.cold+0x2c/0x38 # [ 91.733611] full_proxy_write+0x56/0x80 # [ 91.737933] vfs_write+0xea/0x390 # [ 91.741669] ksys_write+0x68/0xe0 # [ 91.745408] do_syscall_64+0x33/0x40 # [ 91.749435] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 91.755121] RIP: 0033:0x7fea97d3af33 # [ 91.759150] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 91.780215] RSP: 002b:00007ffcbcaf9b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91.788726] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fea97d3af33 # [ 91.796757] RDX: 0000000000000012 RSI: 00007fea97c2b000 RDI: 0000000000000001 # [ 91.804782] RBP: 00007fea97c2b000 R08: 00007fea97c2a010 R09: 0000000000000000 # [ 91.812800] R10: 00007fea97e351c0 R11: 0000000000000246 R12: 0000000000000001 # [ 91.820818] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 91.835073] irq event stamp: 0 # [ 91.844728] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 91.851776] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.860972] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 91.876388] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 91.883435] ---[ end trace 4ce97796d555c415 ]--- # [ 91.888631] 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 # [ 92.231111] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 92.242972] lkdtm: attempting bad refcount_inc() from saturated # [ 92.255892] ------------[ cut here ]------------ # [ 92.261092] refcount_t: saturated; leaking memory. # [ 92.266533] WARNING: CPU: 2 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 92.275925] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.298124] CPU: 2 PID: 2388 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 92.306825] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 94.283149] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 94.295655] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 94.303204] ------------[ cut here ]------------ [ 94.308399] refcount_t: saturated; leaking memory. 92.313482] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 9[ 94.313824] WARNING: CPU: 2 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 94.329386] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 94.345424] CPU: 2 PID: 2490 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 94.354123] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.360835] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 94.366653] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb [ 94.387712] RSP: 0018:ffffa5b8c2cc7e38 EFLAGS: 00010282 [ 94.393589] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 94.401605] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 94.409619] RBP: ffffffff976c00a0 R08: 0000000000000000 R09: 0000000000000000 [ 94.417633] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.425651] R13: ffffa5b8c2cc7f10 R14: ffffa5b8c2cc7f10 R15: ffff93f7c3908000 [ 94.433670] FS: 00007f025ab4d580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 94.442755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.449214] CR2: 00007f025a966000 CR3: 0000000103944000 CR4: 00000000003506e0 [ 94.457233] Call Trace: [ 94.460004] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 94.466182] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 [ 94.472548] direct_entry.cold+0x2c/0x38 [ 94.476973] full_proxy_write+0x56/0x80 [ 94.481292] vfs_write+0xea/0x390 [ 94.485031] ksys_write+0x68/0xe0 [ 94.488771] do_syscall_64+0x33/0x40 [ 94.492804] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.498491] RIP: 0033:0x7f025aa75f33 [ 94.502518] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.523588] RSP: 002b:00007ffe2b4ca878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.532097] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f025aa75f33 [ 94.540117] RDX: 0000000000000020 RSI: 00007f025a966000 RDI: 0000000000000001 [ 94.548135] RBP: 00007f025a966000 R08: 00007f025a965010 R09: 0000000000000000 [ 94.556154] R10: 00007f025ab701c0 R11: 0000000000000246 R12: 0000000000000001 [ 94.564174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 94.572198] irq event stamp: 0 2.319266] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d [ 94.575632] hardirqs last enabled at (0): [<0000000000000000>] 0x0 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 65 97 c6 05 5a 1e 76 01 01 e[ 94.588900] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 [ 94.604304] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 94.619703] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.626738] ---[ end trace 4ce97796d555c419 ]--- [ 94.631927] lkdtm: Saturation detected: still saturated be 65 97 c6 05 3a # [ 92.340331] RSP: 0018:ffffa5b8c2b5fe48 EFLAGS: 00010286 # [ 92.346211] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 92.354238] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 92.362253] RBP: ffffffff976c0445 R08: 0000000000000000 R09: 0000000000000000 # [ 92.370269] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 92.378285] R13: ffffa5b8c2b5ff10 R14: ffffa5b8c2b5ff10 R15: ffff93f7c2984000 # [ 92.386306] FS: 00007fa438f4b580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 92.395396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.401845] CR2: 00007fa438d64000 CR3: 0000000103208000 CR4: 00000000003506e0 # [ 92.409860] Call Trace: # [ 92.412640] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 92.418126] direct_entry.cold+0x2c/0x38 # [ 92.422552] full_proxy_write+0x56/0x80 # [ 92.426887] vfs_write+0xea/0x390 # [ 92.430618] ksys_write+0x68/0xe0 # [ 92.434361] do_syscall_64+0x33/0x40 # [ 92.438395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 92.444083] RIP: 0033:0x7fa438e73f33 # [ 92.448113] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 92.469182] RSP: 002b:00007ffc8fa0e778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.477690] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa438e73f33 # [ 92.485716] RDX: 0000000000000017 RSI: 00007fa438d64000 RDI: 0000000000000001 # [ 92.493733] RBP: 00007fa438d64000 R08: 00007fa438d63010 R09: 0000000000000000 # [ 92.501748] R10: 00007fa438f6e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 92.509762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.517786] irq event stamp: 0 # [ 92.527441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.540707] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.556111] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 92.565295] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.572334] ---[ end trace 4ce97796d555c416 ]--- # [ 92.577527] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 92.925082] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 92.933057] lkdtm: attempting bad refcount_dec() from saturated # [ 92.945946] ------------[ cut here ]------------ # [ 92.951137] refcount_t: decrement hit 0; leaking memory. # [ 92.957156] WARNING: CPU: 1 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 92.972738] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.988777] CPU: 1 PID: 2423 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 92.997470] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.004125] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 93.009901] Code: ff 48 c7 c7 f0 be 65 97 c6 05 d6 1d 76 01 01 e8 ad 1b 93 00 0f 0b c3 48 c7 [ 94.965135] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 94.976108] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 94.983667] ------------[ cut here ]------------ c7 c0 be 65 97 c6 05 c1 1d 76 01 01 e8 97 1b 93 00 <0f> 0b c3 66[ 94.988875] refcount_t: saturated; leaking memory. [ 95.000527] WARNING: CPU: 2 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 95.009912] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.025969] CPU: 2 PID: 2522 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 95.034678] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 95.041341] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 95.047121] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb [ 95.068195] RSP: 0018:ffffa5b8c2d27e38 EFLAGS: 00010282 [ 95.074078] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 95.082093] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 [ 95.090120] RBP: ffffffff976c00c0 R08: 0000000000000000 R09: 0000000000000000 [ 95.098139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 95.106160] R13: ffffa5b8c2d27f10 R14: ffffa5b8c2d27f10 R15: ffff93f7c5b8d000 [ 95.114182] FS: 00007fab6b08a580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 [ 95.123274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.129735] CR2: 00007fab6aea3000 CR3: 0000000105b36000 CR4: 00000000003506e0 [ 95.137741] Call Trace: [ 95.140515] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 95.146695] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 [ 95.153075] direct_entry.cold+0x2c/0x38 [ 95.157504] full_proxy_write+0x56/0x80 [ 95.161833] vfs_write+0xea/0x390 [ 95.165575] ksys_write+0x68/0xe0 [ 95.169321] do_syscall_64+0x33/0x40 [ 95.173356] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.179044] RIP: 0033:0x7fab6afb2f33 [ 95.183073] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 95.204141] RSP: 002b:00007ffe453dd148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.212653] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fab6afb2f33 [ 95.220680] RDX: 0000000000000020 RSI: 00007fab6aea3000 RDI: 0000000000000001 [ 95.228689] RBP: 00007fab6aea3000 R08: 00007fab6aea2010 R09: 0000000000000000 [ 95.236713] R10: 00007fab6b0ad1c0 R11: 0000000000000246 R12: 0000000000000001 [ 95.244725] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 95.252757] irq event stamp: 0 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 93[ 95.256197] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .030951] RSP: 0018:ffffa5b8c2bf7e48 EFLAGS: 00010286 # [ 93.0[ 95.269473] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 36824] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 00000000[ 95.284899] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 95.300298] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.307347] ---[ end trace 4ce97796d555c41a ]--- [ 95.312545] lkdtm: Saturation detected: still saturated 00000000 # [ 93.044837] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 # [ 93.052855] RBP: ffffffff976c045c R08: 0000000000000000 R09: 0000000000000000 # [ 93.060864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 93.068876] R13: ffffa5b8c2bf7f10 R14: ffffa5b8c2bf7f10 R15: ffff93f7c41f6000 # [ 93.076885] FS: 00007f17b2086580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 93.085972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.092423] CR2: 00007f17b1e9f000 CR3: 0000000103282000 CR4: 00000000003506e0 # [ 93.100436] Call Trace: # [ 93.103206] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 93.108699] direct_entry.cold+0x2c/0x38 # [ 93.113123] full_proxy_write+0x56/0x80 # [ 93.117450] vfs_write+0xea/0x390 # [ 93.121188] ksys_write+0x68/0xe0 # [ 93.124930] do_syscall_64+0x33/0x40 # [ 93.128957] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 93.134642] RIP: 0033:0x7f17b1faef33 # [ 93.138673] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.159719] RSP: 002b:00007fffbf9e0fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.168225] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f17b1faef33 # [ 93.176239] RDX: 0000000000000017 RSI: 00007f17b1e9f000 RDI: 0000000000000001 # [ 93.184261] RBP: 00007f17b1e9f000 R08: 00007f17b1e9e010 R09: 0000000000000000 # [ 93.192272] R10: 00007f17b20a91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.200286] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.208311] irq event stamp: 0 # [ 93.217965] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.231233] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.246647] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.255842] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.262883] ---[ end trace 4ce97796d555c417 ]--- # [ 93.268075] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 93.608650] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 93.617273] lkdtm: attempting bad refcount_dec() from saturated # [ 93.623924] ------------[ cut here ]------------ # [ 93.629122] refcount_t: saturated; leaking memory. # [ 93.634566] WARNING: CPU: 2 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 93.643941] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.659976] CPU: 2 PID: 2458 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 93.674880] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.681537] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 93.687317] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 be 65 97 c6 05 5a 1e 76 01 01 e8 2d 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 be 65 97 c6 05 3a # [ 93.708373] RSP: 0018:ffffa5b8c2c5fe48 EFLAGS: 00010286 # [ 93.714245] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 93.722257] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 93.730261] RBP: ffffffff976c0473 R08: 0000000000000000 R09: 0[ 95.672929] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 95.681513] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 95.689057] ------------[ cut here ]------------ [ 95.694261] refcount_t: underflow; use-after-free. [ 95.699691] WARNING: CPU: 1 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 000000000000000 # [ 93.738287] R10: 00000000ffffe000 R11: 3ff[ 95.709068] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.731353] CPU: 1 PID: 2557 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 95.740055] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 95.746715] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 95.752495] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 65 [ 95.773571] RSP: 0018:ffffa5b8c2dcfe40 EFLAGS: 00010286 [ 95.779447] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 95.787459] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 [ 95.795479] RBP: ffffffff976c00e0 R08: 0000000000000000 R09: 0000000000000000 [ 95.803492] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 95.811510] R13: ffffa5b8c2dcff10 R14: ffffa5b8c2dcff10 R15: ffff93f7c49c8000 [ 95.819531] FS: 00007f8013656580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 95.828612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.835071] CR2: 00007f801346f000 CR3: 000000010394e000 CR4: 00000000003506e0 [ 95.843086] Call Trace: [ 95.845854] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 95.852030] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 95.858405] direct_entry.cold+0x2c/0x38 [ 95.862831] full_proxy_write+0x56/0x80 [ 95.867157] vfs_write+0xea/0x390 [ 95.870896] ksys_write+0x68/0xe0 [ 95.874636] do_syscall_64+0x33/0x40 [ 95.878667] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.884362] RIP: 0033:0x7f801357ef33 [ 95.888391] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 95.909459] RSP: 002b:00007ffd2f3779b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.917964] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f801357ef33 fffffffffffff R12: 0000000000000017 # [ 93.746306] R13: ffffa[ 95.925990] RDX: 0000000000000020 RSI: 00007f801346f000 RDI: 0000000000000001 [ 95.940230] RBP: 00007f801346f000 R08: 00007f801346e010 R09: 0000000000000000 5b8c2c5ff10 R14: ffffa5b8c2c5ff10 R15: ffff93f7c29bb000 # [ 9[ 95.948247] R10: 00007f80136791c0 R11: 0000000000000246 R12: 0000000000000001 3.754324] FS: 00007fbc6691d580(0000) GS:ffff93f83bd00000(0000) [ 95.962496] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 95.976757] irq event stamp: 0 [ 95.980199] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 95.987247] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 95.996445] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 96.005632] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 96.012712] ---[ end trace 4ce97796d555c41b ]--- [ 96.017926] lkdtm: Saturation detected: still saturated knlGS:0000000000000000 # [ 93.763411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.769874] CR2: 00007fbc66736000 CR3: 000000010347a000 CR4: 00000000003506e0 # [ 93.777889] Call Trace: # [ 93.780658] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 93.786153] direct_entry.cold+0x2c/0x38 # [ 93.790579] full_proxy_write+0x56/0x80 # [ 93.794903] vfs_write+0xea/0x390 # [ 93.798641] ksys_write+0x68/0xe0 # [ 93.802383] do_syscall_64+0x33/0x40 # [ 93.806414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 93.812092] RIP: 0033:0x7fbc66845f33 # [ 93.816115] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.837179] RSP: 002b:00007ffeafbf1808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.845689] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbc66845f33 # [ 93.853708] RDX: 0000000000000017 RSI: 00007fbc66736000 RDI: 0000000000000001 # [ 93.861730] RBP: 00007fbc66736000 R08: 00007fbc66735010 R09: 0000000000000000 # [ 93.869753] R10: 00007fbc669401c0 R11: 0000000000000246 R12: 0000000000000001 # [ 93.877769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.885789] irq event stamp: 0 # [ 93.895441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.908712] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.924118] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 93.933310] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.940353] ---[ end trace 4ce97796d555c418 ]--- # [ 93.945546] 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 # [ 94.283149] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 94.295655] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 94.303204] ------------[ cut here ]------------ # [ 94.308399] refcount_t: saturated; leaking memory. # [ 94.313824] WARNING: CPU: 2 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 94.329386] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.345424] CPU: 2 PID: 2490 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 94.354123] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.360835] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 94.366653] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb # [ 94.387712] RSP: 0018:ffffa5b8c2cc7e38 EFLAGS: 00010282 # [ 94.393589] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 94.401605] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 94.409619] RBP: ffffffff976c00a0 R08: 0000000000000000 R09: 0000000000000000 # [ 94.417633] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.425651] R13: ffffa5b8c2cc7f10 R14: ffffa5b8c2cc7f10 R15: ffff93f7c3908000 # [ 94.433670] FS: 00007f025ab4d580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 94.442755] CS: 0010 DS: 0000 ES: 0000 C[ 96.372809] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 96.380733] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 96.388278] ------------[ cut here ]------------ [ 96.393473] refcount_t: underflow; use-after-free. [ 96.398919] WARNING: CPU: 1 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 96.408313] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 96.424369] CPU: 1 PID: 2592 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 96.433070] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 96.439726] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 96.445512] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 be 65 [ 96.466583] RSP: 0018:ffffa5b8c2e37e40 EFLAGS: 00010286 [ 96.472470] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 96.480491] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 [ 96.488511] RBP: ffffffff976c0100 R08: 0000000000000000 R09: 0000000000000000 [ 96.496536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 96.504558] R13: ffffa5b8c2e37f10 R14: ffffa5b8c2e37f10 R15: ffff93f7c276d000 [ 96.512579] FS: 00007f2c330d0580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 [ 96.521670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.528128] CR2: 00007f2c32ee9000 CR3: 0000000104084000 CR4: 00000000003506e0 [ 96.536152] Call Trace: [ 96.538923] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 96.545101] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 96.551478] direct_entry.cold+0x2c/0x38 R0: 0000000080050033 # [ 94.449214] CR2: 00007f025a966000 CR3[ 96.555905] full_proxy_write+0x56/0x80 : 0000000103944000 CR4: 00000000003506e0 # [ 94.457233] Call [ 96.566430] vfs_write+0xea/0x390 [ 96.576403] ksys_write+0x68/0xe0 [ 96.580147] do_syscall_64+0x33/0x40 [ 96.584180] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.589879] RIP: 0033:0x7f2c32ff8f33 [ 96.593903] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 Trace: # [ 94.460004] __refcount_add_not_zero.constprop.0+0x[ 96.615020] RSP: 002b:00007ffdec38a218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.629743] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2c32ff8f33 [ 96.637767] RDX: 0000000000000020 RSI: 00007f2c32ee9000 RDI: 0000000000000001 [ 96.645788] RBP: 00007f2c32ee9000 R08: 00007f2c32ee8010 R09: 0000000000000000 2a/0x31 # [ 94.466182] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED[ 96.653800] R10: 00007f2c330f31c0 R11: 0000000000000246 R12: 0000000000000001 [ 96.668044] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 96.676075] irq event stamp: 0 [ 96.679519] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 96.686572] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 96.695763] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 96.704951] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 96.711996] ---[ end trace 4ce97796d555c41c ]--- [ 96.717194] lkdtm: Saturation detected: still saturated +0x3e/0x72 # [ 94.472548] direct_entry.cold+0x2c/0x38 # [ 94.476973] full_proxy_write+0x56/0x80 # [ 94.481292] vfs_write+0xea/0x390 # [ 94.485031] ksys_write+0x68/0xe0 # [ 94.488771] do_syscall_64+0x33/0x40 # [ 94.492804] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 94.498491] RIP: 0033:0x7f025aa75f33 # [ 94.502518] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.523588] RSP: 002b:00007ffe2b4ca878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.532097] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f025aa75f33 # [ 94.540117] RDX: 0000000000000020 RSI: 00007f025a966000 RDI: 0000000000000001 # [ 94.548135] RBP: 00007f025a966000 R08: 00007f025a965010 R09: 0000000000000000 # [ 94.556154] R10: 00007f025ab701c0 R11: 0000000000000246 R12: 0000000000000001 # [ 94.564174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.572198] irq event stamp: 0 # [ 94.575632] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.588900] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.604304] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 94.619703] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.626738] ---[ end trace 4ce97796d555c419 ]--- # [ 94.631927] 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 # [ 94.965135] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 94.976108] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 94.983667] ------------[ cut here ]------------ # [ 94.988875] refcount_t: saturated; leaking memory. # [ 95.000527] WARNING: CPU: 2 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 95.009912] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.025969] CPU: 2 PID: 2522 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 95.034678] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 95.041341] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 95.047121] Code: 05 3a 1e 76 01 01 e8 0e 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 be 65 97 c6 05 1d 1e 76 01 01 e8 ef 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb # [ 95.068195] RSP: 0018:ffffa5b8c2d27e38 EFLAGS: 00010282 # [ 95.074078] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 95.082093] RDX: ffff93f83bd2c660 RSI: ffff93f83bd1bf70 RDI: ffff93f83bd1bf70 # [ 95.090120] RBP: ffffffff976c00c0 R08: 0000000000000000 R09: 0000000000000000 # [ 95.098139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.106160] R13: ffffa5b8c2d27f10 R14: ffffa5b8c2d27f10 R15: ffff93f7c5b8d000 # [ 95.114182] FS: 00007fab6b08a580(0000) GS:ffff93f83bd00000(0000) knlGS:0000000000000000 # [ 95.123274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.129735] CR2: 00007fab6aea3000 CR3: 0000000105b36000 CR4: 00000000003506e0 # [ 95.137741] Call Trace: # [ 95.140515] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 95.146695] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 95.153075] direct_entry.cold+0x2c/0x38 # [ 95.157504] full_proxy_write+0x56/0x80 # [ 95.161833] vfs_write+0xea/0x390 # [ 95.165575] ksys_write+0x68/0xe0 # [ 95.169321] do_syscall_64+0x33/0x40 # [ 95.173356] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 95.179044] RIP: 0033:0x7fab6afb2f33 # [ 95.183073] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.204141] RSP: 002b:00007ffe453dd148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.212653] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fab6afb2f33 # [ 95.220680] RDX: 0000000000000020 RSI: 00007fab6aea3000 RDI: 0000000000000001 # [ 95.228689] RBP: 00007fab6aea3000 R08: 00007fab6aea2010 R09: 0000000000000000 # [ 95.236713] R10: 00007fab6b0ad1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.244725] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.252757] irq event stamp: 0 # [ 95.256197] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.269473] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.284899] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.300298] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 95.307347] ---[ end trace 4ce97796d555c41a ]--- # [ 95.312545] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 95.672929] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 95.681513] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 95.689057] ------------[ cut here ]------------ # [ 95.694261] refcount_t: underflow; use-after-free. # [ 95.699691] WARNING: CPU: 1 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 95.709068] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.731353] CPU: 1 PID: 2557 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 95.740055] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 95.746715] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 95.752495] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7[ 97.328911] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO f0 be 65 # [ 95.773571] RSP: 0018:ffffa5b8c2dcfe40 EFLAGS: 0[ 97.341145] lkdtm: attempting good copy_to_user of correct size 0010286 # [ 95.779447] RAX: 0000000000000000 RBX: 00000000000[ 97.354033] lkdtm: attempting bad copy_to_user of too large size 0003a RCX: 0000000000000000 # [ 95.787459] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 # [ 95.795479] RBP: ffffffff976c00e0 R08: 0000000000000000 R09: 0000000000000000 # [ 95.803492] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.811510] R13: ffffa5b8c2dcff10 R14: ffffa5b8c2dcff10 R15: ffff93f7c49c8000 # [ 95.819531] FS: 00007f8013656580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 95.828612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.835071] CR2: 00007f801346f000 CR3: 000000010394e000 CR4: 00000000003506e0 # [ 95.843086] Call Trace: # [ 95.845854] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 95.852030] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 95.858405] direct_entry.cold+0x2c/0x38 # [ 95.862831] full_proxy_write+0x56/0x80 # [ 95.867157] vfs_write+0xea/0x390 # [ 95.870896] ksys_write+0x68/0xe0 # [ 95.874636] do_syscall_64+0x33/0x40 # [ 95.878667] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 95.884362] RIP: 0033:0x7f801357ef33 # [ 95.888391] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.909459] RSP: 002b:00007ffd2f3779b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 95.917964] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f801357ef33 # [ 95.925990] RDX: 0000000000000020 RSI: 00007f801346f000 RDI: 0000000000000001 # [ 95.940230] RBP: 00007f801346f000 R08: 00007f801346e010 R09: 0000000000000000 # [ 95.948247] R10: 00007f80136791c0 R11: 0000000000000246 R12: 0000000000000001 # [ 95.962496] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 95.976757] irq event stamp: 0 # [ 95.980199] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 95.987247] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 95.996445] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.005632] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 96.012712] ---[ end trace 4ce97796d555c41b ]--- # [ 96.017926] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 96.372809] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 96.380733] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 96.388278] ------------[ cut here ]------------ # [ 96.393473] refcount_t: underflow; use-after-free. # [ 96.398919] WARNING: CPU: 1 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 96.408313] Modules linked in: fuse ip_tables cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.424369] CPU: 1 PID: 2592 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 96.433070] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 96.439726] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 96.445512] Code: 05 1d 1e 76 01 01 e8 ef 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 be 65 97 c6 05 fb 1d 76 01 01 e8 d0 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 8[ 97.697780] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 5 72 ff ff ff 48 c7 c7 f0 be 65 # [ 96.466583] RSP: 0018:ffff[ 97.710700] lkdtm: attempting good copy_from_user of correct size a5b8c2e37e40 EFLAGS: 00010286 # [ 96.472470] RAX: 00000000000[ 97.723881] lkdtm: attempting bad copy_from_user of too large size 00000 RBX: 000000000000003b RCX: 0000000000000000 # [ 96.480491] RDX: ffff93f83bcac660 RSI: ffff93f83bc9bf70 RDI: ffff93f83bc9bf70 # [ 96.488511] RBP: ffffffff976c0100 R08: 0000000000000000 R09: 0000000000000000 # [ 96.496536] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 96.504558] R13: ffffa5b8c2e37f10 R14: ffffa5b8c2e37f10 R15: ffff93f7c276d000 # [ 96.512579] FS: 00007f2c330d0580(0000) GS:ffff93f83bc80000(0000) knlGS:0000000000000000 # [ 96.521670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.528128] CR2: 00007f2c32ee9000 CR3: 0000000104084000 CR4: 00000000003506e0 # [ 96.536152] Call Trace: # [ 96.538923] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 96.545101] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 96.551478] direct_entry.cold+0x2c/0x38 # [ 96.555905] full_proxy_write+0x56/0x80 # [ 96.566430] vfs_write+0xea/0x390 # [ 96.576403] ksys_write+0x68/0xe0 # [ 96.580147] do_syscall_64+0x33/0x40 # [ 96.584180] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 96.589879] RIP: 0033:0x7f2c32ff8f33 # [ 96.593903] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 96.615020] RSP: 002b:00007ffdec38a218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 96.629743] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2c32ff8f33 # [ 96.637767] RDX: 0000000000000020 RSI: 00007f2c32ee9000 RDI: 0000000000000001 # [ 96.645788] RBP: 00007f2c32ee9000 R08: 00007f2c32ee8010 R09: 0000000000000000 # [ 96.653800] R10: 00007f2c330f31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 96.668044] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.676075] irq event stamp: 0 # [ 96.679519] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 96.686572] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.695763] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 96.704951] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 96.711996] ---[ end trace 4ce97796d555c41c ]--- # [ 96.717194] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 97.328911] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 97.341145] lkdtm: attempting good copy_to_user of correct size # [ 97.354033] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 97.697780] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 97.710700] lkdtm: attempting good copy_from_user of correct size # [ 97.723881] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftest[ 98.072338] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 98.080823] lkdtm: attempting good copy_to_user inside whitelist [ 98.087627] lkdtm: attempting bad copy_to_user outside whitelist s: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 98.072338] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 98.080823] lkdtm: attempting good copy_to_user inside whitelist # [ 98.087627] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh [ 98.427952] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 98.435419] lkdtm: attempting good copy_from_user inside whitelist [ 98.442422] lkdtm: attempting bad copy_from_user outside whitelist # [ 98.427952] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 98.435419] lkdtm: attempting good copy_from_user inside whitelist # [ 98.442422] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh [ 98.783089] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 98.790053] lkdtm: good_stack: ffffa5b8c3177e20-ffffa5b8c3177e40 [ 98.796829] lkdtm: bad_stack : ffffa5b8c3177da8-ffffa5b8c3177dc8 [ 98.803986] lkdtm: attempting good copy_to_user of local stack [ 98.811072] lkdtm: attempting bad copy_to_user of distant stack # [ 98.783089] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 98.790053] lkdtm: good_stack: ffffa5b8c3177e20-ffffa5b8c3177e40 # [ 98.796829] lkdtm: bad_stack : ffffa5b8c3177da8-ffffa5b8c3177dc8 # [ 98.803986] lkdtm: attempting good copy_to_user of local stack # [ 98.811072] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh [ 99.154029] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 99.161206] lkdtm: good_stack: ffffa5b8c3217e20-ffffa5b8c3217e40 [ 99.167983] lkdtm: bad_stack : ffffa5b8c3217da8-ffffa5b8c3217dc8 [ 99.174769] lkdtm: attempting good copy_from_user of local stack [ 99.181533] lkdtm: attempting bad copy_from_user of distant stack # [ 99.154029] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 99.161206] lkdtm: good_stack: ffffa5b8c3217e20-ffffa5b8c3217e40 # [ 99.167983] lkdtm: bad_stack : ffffa5b8c3217da8-ffffa5b8c3217dc8 # [ 99.174769] lkdtm: attempting good copy_from_user of local stack # [ 99.181533] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh [ 99.533047] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 99.539841] lkdtm: good_stack: ffffa5b8c32afe20-ffffa5b8c32afe40 [ 99.546632] lkdtm: bad_stack : ffffa5b8c32afff8-ffffa5b8c32b0018 [ 99.553819] lkdtm: attempting good copy_to_user of local stack [ 99.560836] lkdtm: attempting bad copy_to_user of distant stack [ 99.567881] lkdtm: copy_to_user failed, but lacked Oops # [ 99.533047] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 99.539841] lkdtm: good_stack: ffffa5b8c32afe20-ffffa5b8c32afe40 # [ 99.546632] lkdtm: bad_stack : ffffa5b8c32afff8-ffffa5b8c32b0018 # [ 99.553819] lkdtm: attempting good copy_to_user of local stack # [ 99.560836] lkdtm: attempting bad copy_to_user of distant stack # [ 99.567881] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh [ 99.917802] lkdtm: Performing direct entry USERCOPY_KERNEL [ 99.924046] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff972d9f10 [ 99.932797] lkdtm: attempting bad copy_to_user from kernel text: ffffffff960d1460 [ 99.941222] lkdtm: FAIL: survived bad copy_to_user() # [ 99.917802] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 99.924046] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff972d9f10 # [ 99.932797] lkdtm: attempting bad copy_to_user from kernel text: ffffffff960d1460 # [ 99.941222] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh [ 100.291717] lkdtm: Performing direct entry STACKLEAK_ERASING [ 100.298105] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 100.306055] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 100.313903] lkdtm: FAIL: the thread stack is NOT properly erased [ 100.320673] CPU: 0 PID: 2957 Comm: cat Tainted: G D W 5.10.128-cip10 #1 [ 100.329359] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 100.335998] Call Trace: [ 100.338753] dump_stack+0x77/0x97 [ 100.342478] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 100.347662] direct_entry.cold+0x2c/0x38 [ 100.352067] full_proxy_write+0x56/0x80 [ 100.356374] vfs_write+0xea/0x390 [ 100.360094] ksys_write+0x68/0xe0 [ 100.363814] do_syscall_64+0x33/0x40 [ 100.367826] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 100.373496] RIP: 0033:0x7f64b321ef33 [ 100.377509] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 100.398561] RSP: 002b:00007ffeccf75138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.407050] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f64b321ef33 [ 100.415047] RDX: 0000000000000012 RSI: 00007f64b310f000 RDI: 0000000000000001 [ 100.423043] RBP: 00007f64b310f000 R08: 00007f64b310e010 R09: 0000000000000000 [ 100.431042] R10: 00007f64b33191c0 R11: 0000000000000246 R12: 0000000000000001 [ 100.439040] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 100.291717] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 100.298105] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 100.306055] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 100.313903] lkdtm: FAIL: the thread stack is NOT properly erased # [ 100.320673] CPU: 0 PID: 2957 Comm: cat Tainted: G D W 5.10.128-cip10 #1 # [ 100.329359] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 100.335998] Call Trace: # [ 100.338753] dump_stack+0x77/0x97 # [ 100.342478] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 100.347662] direct_entry.cold+0x2c/0x38 # [ 100.352067] full_proxy_write+0x56/0x80 # [ 100.356374] vfs_write+0xea/0x390 # [ 100.360094] ksys_write+0x68/0xe0 # [ 100.363814] do_syscall_64+0x33/0x40 # [ 100.367826] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 100.373496] RIP: 0033:0x7f64b321ef33 # [ 100.377509] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 100.398561] RSP: 002b:00007ffeccf75138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.407050] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f64b321ef33 # [ 100.415047] RDX: 0000000000000012 RSI: 00007f64b310f000 RDI: 0000000000000001 # [ 100.423043] RBP: 00007f64b310f000 R08: 00007f64b310e010 R09: 0000000000000000 # [ 100.431042] R10: 00007f64b33191c0 R11: 0000000000000246 R12: 0000000000000001 # [ 100.439040] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh [ 100.798493] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 100.804899] lkdtm: Calling matched prototype ... [ 100.810102] lkdtm: Calling mismatched prototype ... [ 100.815601] lkdtm: Fail: survived mismatched prototype function call! # [ 100.798493] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 100.804899] lkdtm: Calling matched prototype ... # [ 100.810102] lkdtm: Calling mismatched prototype ... # [ 100.815601] 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 / #