[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 440000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 71260 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 32 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 268486 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 4829 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 52574 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 14007 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 9953 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 14009 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 18083 usecs PCI: 00:17.0 scanning... scan_generic_bus for PCI: 00:17.0 bus: PCI: 00:17.0[0]->I2C: 04:15 enabled bus: PCI: 00:17.0[0]->I2C: 04:2c enabled scan_generic_bus for PCI: 00:17.0 done scan_bus: scanning of bus PCI: 00:17.0 took 18096 usecs PCI: 00:17.1 scanning... scan_generic_bus for PCI: 00:17.1 bus: PCI: 00:17.1[0]->I2C: 05:09 enabled scan_generic_bus for PCI: 00:17.1 done scan_bus: scanning of bus PCI: 00:17.1 took 14046 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 11219 usecs scan_bus: scanning of bus DOMAIN: 0000 took 390319 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 410242 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 2022-11-09 21:11:29 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2022-11-09 21:11:29 UTC ELOG: Event(AA) added with size 11 at 2022-11-09 21:11:29 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 699174 exit 95815 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 2943998 exit 0 Enabling resources... PCI: 00:00.0 cmd <- 07 PCI: 00:00.1 subsystem <- 8086/5a8c PCI: 00:00.1 cmd <- 02 PCI: 00:00.2 subsystem <- 8086/5a8e PCI: 00:00.2 cmd <- 06 PCI: 00:02.0 cmd <- 03 PCI: 00:03.0 subsystem <- 8086/5a88 PCI: 00:03.0 cmd <- 02 PCI: 00:0d.1 cmd <- 07 PCI: 00:0d.2 subsystem <- 8086/5a96 PCI: 00:0d.2 cmd <- 406 PCI: 00:0d.3 cmd <- 06 PCI: 00:0e.0 cmd <- 02 PCI: 00:0f.0 cmd <- 06 PCI: 00:0f.1 cmd <- 06 PCI: 00:0f.2 cmd <- 06 PCI: 00:14.0 bridge ctrl <- 0003 PCI: 00:14.0 cmd <- 06 PCI: 00:15.0 cmd <- 02 PCI: 00:16.0 cmd <- 02 PCI: 00:16.1 cmd <- 02 PCI: 00:16.2 cmd <- 06 PCI: 00:16.3 cmd <- 02 PCI: 00:17.0 cmd <- 02 PCI: 00:17.1 cmd <- 02 PCI: 00:18.0 cmd <- 02 PCI: 00:18.1 cmd <- 02 PCI: 00:18.2 cmd <- 06 PCI: 00:19.0 subsystem <- 8086/5ac2 PCI: 00:19.0 cmd <- 02 PCI: 00:1b.0 cmd <- 06 PCI: 00:1c.0 subsystem <- 8086/5acc PCI: 00:1c.0 cmd <- 06 PCI: 00:1f.0 cmd <- 07 PCI: 00:1f.1 subsystem <- 8086/5ad4 PCI: 00:1f.1 cmd <- 03 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. BS: BS_DEV_ENABLE times (us): entry 164 run 112134 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2129 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. Waiting for 2nd SIPI to complete...done. AP: slot 3 apic_id 4. AP: slot 2 apic_id 2. AP: slot 1 apic_id 6. 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 0x7afff400 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7b000000 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #2 initialized Initializing CPU #1 CPU #3 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 466976 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2228 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2229 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2230 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2227 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2229 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 27304 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2220 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2230 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2227 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2225 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2231 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6106 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6101 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6098 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6100 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6098 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6098 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2228 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2219 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3547 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2227 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2328 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 42100 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 01:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 01:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 02:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 03:10: enabled 1 I2C: 03:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 04:15: enabled 1 I2C: 04:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 05:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 0 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:0f.0: enabled 1 PCI: 00:0f.1: enabled 1 PCI: 00:0f.2: enabled 1 APIC: 06: enabled 1 APIC: 02: enabled 1 APIC: 04: enabled 1 BS: BS_DEV_INIT times (us): entry 4970 run 879146 exit 882 ELOG: Event(A1) added with size 10 at 2022-11-09 21:11:33 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-11-09 21:11:33 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 24817 run 3945 exit 5241 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 66 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 02 (unknown) APIC: 04 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum 723 coreboot table: 1548 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 VPD 8. 7affe920 0000006c GNVS PTR 9. 7affe900 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 813744 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 171 run 107691 exit 32858 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:3b Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 7922193/tftp-deploy-a3i1qryh/kernel/bzImage 7922193/tftp-deploy-a3i1qryh/kernel/cmdline 7922193/tftp-deploy-a3i1qryh/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7922193/tftp-deploy-a3i1qryh/kernel/bzImay-a3i1qryh/kernel/cmdline 7922193/tftp-deploy-a3i1qryh/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0a:3b Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7922193/tftp-deploy-a3i1qryh/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################ done. The bootfile was 14016896 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: 7922193/tftp-deploy-a3i1qryh/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/7922193/extract-nfsrootfs-8papannt,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: 20517439 Starting kernel ... [ 0.000000] Linux version 5.10.153-cip19 (KernelCI@build-j483440-x86-64-gcc-10-x86-64-defconfig-x86-chromeboofrwxc) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Nov 9 20:59:17 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/7922193/extract-nfsrootfs-8papannt,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 [ 0.000058] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.000311] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001180] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 [ 0.005327] check: Scanning 1 areas for low memory corruption [ 0.005340] Using GB pages for direct mapping [ 0.005802] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.005809] ACPI: Early table checksum verification disabled [ 0.005818] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.005829] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005843] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.005857] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) [ 0.005867] ACPI: FACS 0x000000007AB10240 000040 [ 0.005877] ACPI: FACS 0x000000007AB10240 000040 [ 0.005886] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.005896] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005906] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.005916] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005926] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) [ 0.005937] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.005947] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] [ 0.005951] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] [ 0.005956] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005960] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] [ 0.005964] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] [ 0.005968] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] [ 0.005972] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] [ 0.005976] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] [ 0.005980] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] [ 0.005984] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] [ 0.006108] No NUMA configuration found [ 0.006113] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] [ 0.006122] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] [ 0.006167] Zone ranges: [ 0.006172] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.006179] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.006185] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.006191] Movable zone start for each node [ 0.006195] Early memory node ranges [ 0.006199] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.006203] node 0: [mem 0x0000000000100000-0x000000000fffffff] [ 0.006207] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] [ 0.006211] node 0: [mem 0x0000000100000000-0x000000017fffffff] [ 0.006217] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] [ 0.006249] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.006300] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.012991] On node 0, zone DMA32: 8529 pages in unavailable ranges [ 0.020462] On node 0, zone Normal: 22019 pages in unavailable ranges [ 0.020494] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.020799] ACPI: PM-Timer IO Port: 0x408 [ 0.020874] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.020889] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.020896] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.020908] Using ACPI (MADT) for SMP configuration information [ 0.020914] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.020926] TSC deadline timer available [ 0.020932] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.020963] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.020969] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.020974] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] [ 0.020979] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] [ 0.020983] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.020986] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] [ 0.020990] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] [ 0.020994] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] [ 0.020998] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] [ 0.021001] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] [ 0.021005] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] [ 0.021009] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] [ 0.021016] [mem 0x80000000-0xcfffffff] available for PCI devices [ 0.021025] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.029496] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.030127] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.030235] Built 1 zonelists, mobility grouping on. Total pages: 1002002 [ 0.030244] Policy zone: Normal [ 0.030262] 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/7922193/extract-nfsrootfs-8papannt,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.031218] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.031663] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.031730] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.065064] Memory: 3871228K/4071724K available (18450K kernel code, 3465K rwdata, 6812K rodata, 2036K init, 13236K bss, 200236K reserved, 0K cma-reserved) [ 0.065223] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.065284] Kernel/User page tables isolation: enabled [ 0.065356] ftrace: allocating 53394 entries in 209 pages [ 0.095862] ftrace: allocated 209 pages with 4 groups [ 0.096210] Running RCU self tests [ 0.096228] rcu: Hierarchical RCU implementation. [ 0.096232] rcu: RCU event tracing is enabled. [ 0.096236] rcu: RCU lockdep checking is enabled. [ 0.096240] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.096244] Rude variant of Tasks RCU enabled. [ 0.096247] Tracing variant of Tasks RCU enabled. [ 0.096252] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.096256] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.104757] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.105196] random: crng init done [ 0.105312] Console: colour dummy device 80x25 [ 0.174076] printk: console [ttyS2] enabled [ 0.174431] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.175080] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.175426] ... MAX_LOCK_DEPTH: 48 [ 0.175780] ... MAX_LOCKDEP_KEYS: 8192 [ 0.176155] ... CLASSHASH_SIZE: 4096 [ 0.176532] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.176906] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.177291] ... CHAINHASH_SIZE: 32768 [ 0.177665] memory used by lock dependency info: 6365 kB [ 0.178127] memory used for stack traces: 4224 kB [ 0.178537] per task-struct memory footprint: 1920 bytes [ 0.179056] ACPI: Core revision 20200925 [ 0.179756] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns [ 0.180595] APIC: Switch to symmetric I/O mode setup [ 0.185556] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.190584] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 0.191479] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) [ 0.192466] pid_max: default: 32768 minimum: 301 [ 0.193543] LSM: Security Framework initializing [ 0.193970] SELinux: Initializing. [ 0.194517] LSM support for eBPF active [ 0.194897] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.195479] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.197537] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.198079] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 [ 0.198465] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.198970] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.199466] Spectre V2 : Mitigation: Retpolines [ 0.199858] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.200464] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.201034] Speculative Store Bypass: Vulnerable [ 0.218859] ------------[ cut here ]------------ [ 0.219281] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.219293] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.220465] Modules linked in: [ 0.220740] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.153-cip19 #1 [ 0.221465] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 0.221966] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.222468] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 b8 9e 4c 94 c6 05 20 5e e4 01 01 e8 c6 89 e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.223465] RSP: 0000:ffffffff94803de0 EFLAGS: 00010282 [ 0.224465] RAX: 0000000000000000 RBX: ffffffff952e4064 RCX: 0000000000000000 [ 0.225063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff92d7a891 [ 0.225464] RBP: ffffffff9419c200 R08: 0000000000000001 R09: 0000000000000001 [ 0.226056] R10: ffffffff9488fbc0 R11: 3fffffffffffffff R12: ffffffff952fbc44 [ 0.226464] R13: cccccccccccccccc R14: ffffffff9419c205 R15: 0000000000000004 [ 0.227467] FS: 0000000000000000(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 0.228145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.228466] CR2: ffff8c5bf0a01000 CR3: 000000012f226000 CR4: 00000000003506f0 [ 0.229070] Call Trace: [ 0.229491] alternative_instructions+0x7d/0x143 [ 0.229895] check_bugs+0xedd/0xf39 [ 0.230203] start_kernel+0x517/0x54d [ 0.230475] secondary_startup_64_no_verify+0xc2/0xcb [ 0.230914] irq event stamp: 89363 [ 0.231468] hardirqs last enabled at (89375): [] console_unlock+0x4d1/0x5f0 [ 0.232189] hardirqs last disabled at (89382): [] console_unlock+0x444/0x5f0 [ 0.232468] softirqs last enabled at (89392): [] irq_enter_rcu+0x71/0x80 [ 0.233466] softirqs last disabled at (89403): [] irq_enter_rcu+0x56/0x80 [ 0.234167] ---[ end trace 920d3aac2376711d ]--- [ # 0.243502] Freeing SMP alternatives memory: 44K [ 0.245796] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) [ 0.247233] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.247477] ... version: 4 [ 0.247827] ... bit width: 48 [ 0.248181] ... generic registers: 4 [ 0.248468] ... value mask: 0000ffffffffffff [ 0.248923] ... max period: 00007fffffffffff [ 0.249369] ... fixed-purpose events: 3 [ 0.249467] ... event mask: 000000070000000f [ 0.250433] rcu: Hierarchical SRCU implementation. [ 0.252298] smp: Bringing up secondary CPUs ... [ 0.253315] x86: Booting SMP configuration: [ 0.253483] .... node #0, CPUs: #1 #2 #3 [ 0.256625] smp: Brought up 1 node, 4 CPUs [ 0.257472] smpboot: Max logical packages: 1 [ 0.257847] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) [ 0.259829] devtmpfs: initialized [ 0.260857] x86/mm: Memory block size: 128MB [ 0.265515] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.265515] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.266572] pinctrl core: initialized pinctrl subsystem [ 0.267390] PM: RTC time: 21:11:48, date: 2022-11-09 [ 0.269033] NET: Registered protocol family 16 [ 0.270162] audit: initializing netlink subsys (disabled) [ 0.270558] audit: type=2000 audit(1668028308.084:1): state=initialized audit_enabled=0 res=1 [ 0.271260] thermal_sys: Registered thermal governor 'step_wise' [ 0.271273] thermal_sys: Registered thermal governor 'user_space' [ 0.271584] cpuidle: using governor menu [ 0.273725] ACPI: bus type PCI registered [ 0.273867] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.274474] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.275099] PCI: Using configuration type 1 for base access [ 0.299601] Kprobes globally optimized [ 0.300636] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.301472] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.302617] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.305864] ACPI: Added _OSI(Module Device) [ 0.306474] ACPI: Added _OSI(Processor Device) [ 0.306862] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.307274] ACPI: Added _OSI(Processor Aggregator Device) [ 0.307489] ACPI: Added _OSI(Linux-Dell-Video) [ 0.307876] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.308338] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.317447] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.324967] ACPI: EC: EC started [ 0.325268] ACPI: EC: interrupt blocked [ 0.326132] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.326473] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.327089] ACPI: Interpreter enabled [ 0.327469] ACPI: (supports S0 S3 S5) [ 0.327796] ACPI: Using IOAPIC for interrupt routing [ 0.328272] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.330338] ACPI: Enabled 1 GPEs in block 00 to 7F [ 0.334542] ACPI: Power Resource [PXP] (on) [ 0.357484] ACPI: Power Resource [PRIC] (on) [ 0.383988] ACPI: Power Resource [PRIC] (on) [ 0.455924] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.456472] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.457526] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.458912] PCI host bridge to bus 0000:00 [ 0.459268] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.459470] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] [ 0.460048] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.460469] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] [ 0.461101] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] [ 0.462471] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.463027] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 [ 0.464376] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 [ 0.464506] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] [ 0.465764] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 [ 0.466301] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] [ 0.467484] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] [ 0.468074] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] [ 0.468962] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 [ 0.469489] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] [ 0.470075] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] [ 0.470477] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] [ 0.471460] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 [ 0.471486] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] [ 0.472646] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 [ 0.473199] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] [ 0.474522] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] [ 0.475225] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold [ 0.476171] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 [ 0.476509] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] [ 0.477252] pci 0000:00:0f.0: PME# supported from D3hot [ 0.477991] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 [ 0.478686] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold [ 0.479884] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 [ 0.480423] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] [ 0.481631] pci 0000:00:15.0: PME# supported from D3hot D3cold [ 0.482773] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 [ 0.483328] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] [ 0.483492] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] [ 0.484743] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 [ 0.485295] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] [ 0.486493] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] [ 0.487732] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 [ 0.488284] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] [ 0.488492] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] [ 0.489738] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 [ 0.490291] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] [ 0.491498] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] [ 0.492775] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 [ 0.493315] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] [ 0.493492] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] [ 0.494734] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 [ 0.495286] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] [ 0.495492] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] [ 0.496771] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 [ 0.497319] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] [ 0.498494] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] [ 0.499728] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 [ 0.500275] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] [ 0.500492] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] [ 0.501730] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 [ 0.502273] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] [ 0.503514] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] [ 0.504776] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 [ 0.505326] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] [ 0.505494] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] [ 0.506774] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 [ 0.507321] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] [ 0.507488] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] [ 0.508707] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 [ 0.509254] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] [ 0.510490] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] [ 0.511854] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 [ 0.513230] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 [ 0.513539] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] [ 0.514196] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] [ 0.515615] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.516360] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] [ 0.517823] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) [ 0.518660] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) [ 0.519969] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.522668] pci 0000:00:14.0: PCI bridge to [bus 01] [ 0.523111] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 0.530866] ACPI: EC: interrupt unblocked [ 0.531226] ACPI: EC: event unblocked [ 0.531468] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.531903] ACPI: EC: GPE=0x2b [ 0.532183] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.532470] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.534534] iommu: Default domain type: Translated [ 0.535546] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.536075] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.536493] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.536976] vgaarb: loaded [ 0.537786] SCSI subsystem initialized [ 0.538561] ACPI: bus type USB registered [ 0.539045] usbcore: registered new interface driver usbfs [ 0.539524] usbcore: registered new interface driver hub [ 0.540022] usbcore: registered new device driver usb [ 0.540597] pps_core: LinuxPPS API ver. 1 registered [ 0.541015] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.541480] PTP clock support registered [ 0.542737] Advanced Linux Sound Architecture Driver Initialized. [ 0.543987] NetLabel: Initializing [ 0.544290] NetLabel: domain hash size = 128 [ 0.544468] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.545013] NetLabel: unlabeled traffic allowed by default [ 0.546585] PCI: Using ACPI for IRQ routing [ 0.576965] Expanded resource Reserved due to conflict with PCI Bus 0000:00 [ 0.578557] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.579109] hpet0: 8 comparators, 64-bit 19.200000 MHz counter [ 0.581581] clocksource: Switched to clocksource tsc-early [ 1.002674] VFS: Disk quotas dquot_6.6.0 [ 1.003061] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.004049] pnp: PnP ACPI init [ 1.005154] system 00:00: [io 0x0900-0x09fe] has been reserved [ 1.005966] system 00:01: [io 0x0200] has been reserved [ 1.006425] system 00:01: [io 0x0204] has been reserved [ 1.006895] system 00:01: [io 0x0800-0x087f] has been reserved [ 1.007394] system 00:01: [io 0x0880-0x08ff] has been reserved [ 1.010845] pnp: PnP ACPI: found 3 devices [ 1.026326] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.027210] NET: Registered protocol family 2 [ 1.027803] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.029909] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.030895] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.031835] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.034427] TCP: Hash tables configured (established 32768 bind 32768) [ 1.035544] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.036491] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.037352] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.038457] NET: Registered protocol family 1 [ 1.039683] RPC: Registered named UNIX socket transport module. [ 1.040213] RPC: Registered udp transport module. [ 1.040626] RPC: Registered tcp transport module. [ 1.041035] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.042150] NET: Registered protocol family 44 [ 1.042579] pci 0000:00:14.0: PCI bridge to [bus 01] [ 1.043021] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] [ 1.043628] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.044151] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] [ 1.044680] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.045253] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] [ 1.045846] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] [ 1.046429] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] [ 1.047207] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.050659] PCI: CLS 64 bytes, default 64 [ 1.051427] Unpacking initramfs... [ 1.269815] Freeing initrd memory: 8236K [ 1.270245] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.270825] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) [ 1.271819] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 1.272514] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.273005] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.273493] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.273946] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.275715] kvm: already loaded the other module [ 1.276121] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns [ 1.277025] clocksource: Switched to clocksource tsc [ 1.277553] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.280433] check: Scanning for low memory corruption every 60 seconds [ 1.283608] Initialise system trusted keyrings [ 1.284304] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.303040] NFS: Registering the id_resolver key type [ 1.303528] Key type id_resolver registered [ 1.303925] Key type id_legacy registered [ 1.315749] Key type asymmetric registered [ 1.316150] Asymmetric key parser 'x509' registered [ 1.316660] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.317296] io scheduler mq-deadline registered [ 1.317697] io scheduler kyber registered [ 1.318310] test_firmware: interface ready [ 1.319548] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 [ 1.321306] ACPI: AC Adapter [AC] (on-line) [ 1.322030] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.323609] ACPI: Lid Switch [LID0] [ 1.324119] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 1.325000] ACPI: Power Button [PWRB] [ 1.325522] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 [ 1.326419] ACPI: Sleep Button [SLP] [ 1.326969] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.327791] ACPI: Power Button [PWRF] [ 1.328364] ACPI: \_PR_.CP00: Found 3 idle states [ 1.329551] ACPI: \_PR_.CP01: Found 3 idle states [ 1.330417] ACPI: \_PR_.CP02: Found 3 idle states [ 1.331292] ACPI: \_PR_.CP03: Found 3 idle states [ 1.333179] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.336353] Non-volatile memory driver v1.3 [ 1.336421] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.336915] Linux agpgart interface v0.103 [ 1.340936] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.395084] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x179e [ 1.395866] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) [ 1.396597] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.397956] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 [ 1.398842] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. [ 1.399830] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.440638] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.444090] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.460363] loop: module loaded [ 1.461371] lkdtm: No crash points registered, enable through debugfs [ 1.513533] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A [ 1.517251] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A [ 1.520531] printk: console [ttyS2] disabled [ 1.521185] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A [ 1.568510] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: did not complete or timeout within 10ms (status 0xad4003ff) [ 1.577000] printk: console [ttyS2] enabled [ 1.584102] i915 0000:00:02.0: [drm] *ERROR* AUX B/port B: not done (status 0xad4003ff) [ 1.594264] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO [ 4.623982] fbcon: i915drmfb (fb0) is primary device [ 4.633118] e100: Intel(R) PRO/100 Network Driver [ 4.633122] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.633179] e1000: Intel(R) PRO/1000 Network Driver [ 4.633181] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.633346] e1000e: Intel(R) PRO/1000 Network Driver [ 4.633348] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.633427] sky2: driver version 1.30 [ 4.633761] usbcore: registered new interface driver r8152 [ 4.634399] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.634435] ehci-pci: EHCI PCI platform driver [ 4.634563] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.634580] ohci-pci: OHCI PCI platform driver [ 4.634636] uhci_hcd: USB Universal Host Controller Interface driver [ 4.636274] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.637199] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 [ 4.638457] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.638525] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported [ 4.640059] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.640075] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.640078] usb usb1: Product: xHCI Host Controller [ 4.640081] usb usb1: Manufacturer: Linux 5.10.153-cip19 xhci-hcd [ 4.640084] usb usb1: SerialNumber: 0000:00:15.0 [ 4.641316] hub 1-0:1.0: USB hub found [ 4.641421] hub 1-0:1.0: 8 ports detected [ 4.643328] xhci_hcd 0000:00:15.0: xHCI Host Controller [ 4.643788] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 [ 4.643807] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed [ 4.644099] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.644105] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.644108] usb usb2: Product: xHCI Host Controller [ 4.644111] usb usb2: Manufacturer: Linux 5.10.153-cip19 xhci-hcd [ 4.644114] usb usb2: SerialNumber: 0000:00:15.0 [ 4.645041] hub 2-0:1.0: USB hub found [ 4.645118] hub 2-0:1.0: 7 ports detected [ 4.646810] usbcore: registered new interface driver usblp [ 4.646865] usbcore: registered new interface driver usb-storage [ 4.647265] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.647373] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.647375] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.647971] i8042: Warning: Keylock active [ 4.648216] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.650600] rtc_cmos rtc_cmos: RTC can wake from S4 [ 4.652259] rtc_cmos rtc_cmos: registered as rtc0 [ 4.652404] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram, hpet irqs [ 4.652972] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 4.653729] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A [ 4.653732] i801_smbus 0000:00:1f.1: PCI INT A: no GSI [ 4.653767] i801_smbus 0000:00:1f.1: SPD Write Disable is set [ 4.653862] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) [ 4.653900] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 [ 4.653903] i801_smbus 0000:00:1f.1: SMBus using polling [ 4.654927] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.654974] intel_pstate: Intel P-state driver initializing [ 4.657643] sdhci: Secure Digital Host Controller Interface driver [ 4.657650] sdhci: Copyright(c) Pierre Ossman [ 4.657864] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 4.666083] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) [ 4.668640] Console: switching to colour frame buffer device 240x67 [ 4.673148] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit [ 4.674176] hid: raw HID events driver (C) Jiri Kosina [ 4.676964] usbcore: registered new interface driver usbhid [ 4.676970] usbhid: USB HID core driver [ 4.679387] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 [ 4.686915] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.690402] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.696451] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.696526] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.698139] gre: GRE over IPv4 demultiplexor driver [ 4.698146] ip_gre: GRE over IPv4 tunneling driver [ 4.702341] IPv4 over IPsec tunneling driver [ 4.703883] Initializing XFRM netlink socket [ 4.706867] NET: Registered protocol family 10 [ 4.715136] Segment Routing with IPv6 [ 4.719050] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.728997] ip6_gre: GRE over IPv6 tunneling driver [ 4.734778] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up [ 4.739041] NET: Registered protocol family 17 [ 4.807438] mmc0: new HS400 MMC card at address 0001 [ 4.817166] 8021q: 802.1Q VLAN Support v1.8 [ 4.827247] mmcblk0: mmc0:0001 TA2964 58.3 GiB [ 4.833340] Key type dns_resolver registered [ 4.841868] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB [ 4.936564] usb 1-5: new high-speed USB device number 2 using xhci_hcd [ 4.939894] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB [ 4.939642] microcode: sig=0x506c9, pf=0x1, revision=0x2c [ 4.955602] microcode: Microcode Update Driver: v2.2. [ 4.964932] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (246:0) [ 4.974690] IPI shorthand broadcast: enabled [ 4.998153] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.004345] sched_clock: Marking stable (4922769994, 81326420)->(5009521308, -5424894) [ 5.182212] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 [ 5.198173] registered taskstats version 1 [ 5.202221] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.202234] usb 1-5: Product: USB2.0 HD UVC WebCam [ 5.206558] Loading compiled-in X.509 certificates [ 5.213759] usb 1-5: Manufacturer: Quanta [ 5.213769] usb 1-5: SerialNumber: 0x0001 [ 5.236760] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.242051] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.345887] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.361071] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.362936] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.380215] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.388087] usb 2-5: Product: USB 10/100/1000 LAN [ 5.388096] usb 2-5: Manufacturer: Realtek [ 5.388104] usb 2-5: SerialNumber: 001000001 [ 5.428804] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.440554] usb 1-6: new full-speed USB device number 3 using xhci_hcd [ 5.446255] PM: Magic number: 14:551:196 [ 5.453024] drm card0: hash matches [ 5.457922] printk: console [netcon0] enabled [ 5.462860] netconsole: network logging started [ 5.583380] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.592583] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.607087] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.699835] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.764872] r8152 2-5:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 5.812841] r8152 2-5:1.0 eth0: v1.11.11 [ 5.818975] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 5.819917] IP-Config: Failed to open gretap0 [ 5.832793] IP-Config: Failed to open erspan0 [ 5.860528] Sending DHCP requests . [ 7.609601] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.621280] r8152 2-5:1.0 eth0: carrier on [ 8.080791] ., OK [ 8.089130] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.10 [ 8.098128] IP-Config: Complete: [ 8.101788] device=eth0, hwaddr=00:e0:4c:68:0a:3b, ipaddr=192.168.201.10, mask=255.255.255.0, gw=192.168.201.1 [ 8.113497] host=asus-C523NA-A20057-coral-cbg-0, domain=lava-rack, nis-domain=(none) [ 8.122657] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.122668] nameserver0=192.168.201.1 [ 8.136188] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.160795] modprobe (100) used greatest stack depth: 14208 bytes left [ 8.174408] modprobe (101) used greatest stack depth: 14176 bytes left [ 8.177806] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.190273] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.200417] ALSA device list: [ 8.203806] No soundcards found. [ 8.209291] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console [ 8.216748] cfg80211: failed to load regulatory.db [ 8.234585] Freeing unused kernel image (initmem) memory: 2036K [ 8.247996] Write protecting the kernel read-only data: 28672k [ 8.260127] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.270317] Freeing unused kernel image (rodata/data gap) memory: 1380K [ 8.278418] Run /init as init process [ 8.288702] mkdir (104) used greatest stack depth: 13928 bytes left Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.382901] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 8.690722] udevadm (124) used greatest stack depth: 13736 bytes left [ 9.606874] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.624832] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 9.739816] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 9.988766] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) [ 10.007682] 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: eth0 hardware address 00:e0:4c:68:0a:3b mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.10 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C523NA-A20057-coral-cbg-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 10.255916] 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 [ 11.922250] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 11.963326] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.004234] systemd[1]: Set hostname to . [ 13.308439] systemd[1]: Queued start job for default target Graphical Interface. [ 13.326813] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 13.345196] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 13.363242] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.382124] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.399591] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.422175] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.444723] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.468343] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.485292] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.497057] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.513187] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.527220] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.540457] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.562226] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.581261] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 13.600351] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 13.618212] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 13.639825] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 13.657871] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 13.682887] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 13.708625] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 13.731539] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 13.758553] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 13.782976] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 13.810223] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 13.833746] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 13.855467] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 13.863695] mount (194) used greatest stack depth: 12528 bytes left [ 13.889085] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.942788] systemd[1]: Starting Journal Service... Starting Journal Service...[ 13.949853] fuse: init (API version 7.32) [ 13.977417] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 13.999112] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 14.023316] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 14.055409] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 14.072455] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 14.091380] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 14.113747] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 14.150698] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 14.178089] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.187581] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.208907] systemd[1]: modprobe@drm.service: Succeeded. [ 14.218651] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.236462] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.245678] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 14.266186] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 14.286663] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 14.313730] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 14.337692] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 14.362664] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 14.373312] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 14.391077] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 14.417846] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 14.442611] systemd[1]: Starting Create System Users... Starting Create System Users... [ 14.465244] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. [ 14.484005] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. [ 14.521293] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. [ 14.541087] systemd[1]: Condition check resulted in First Boot Complete being skipped. [ 14.554931] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. [ 14.683454] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. [ 14.706669] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... [ 14.786337] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. [ 14.922691] systemd-journald[202]: Received client request to flush runtime journal. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Create Volatile Files and Directories. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.153-cip19 #1 SMP Wed Nov 9 20:59:17 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/7922193/extract-nfsrootfs-8papannt' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7922193/extract-nfsrootfs-8papannt' / # 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-7922193/environment . /lava-7922193/environment / # /lava-7922193/bin/lava-test-runner /lava-7922193/0 /lava-7922193/bin/lava-test-runner /lava-7922193/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7922193/0/tests/0_timesync-off ++ cat uuid + UUID=7922193_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7922193/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7922193_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/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C523NA-A20057-coral -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7922193/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-11-09 21:12:35-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/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: 3541260 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 168KB/s kselftest.tar.xz 6%[> ] 216.08K 387KB/s kselftest.tar.xz 23%[===> ] 807.16K 784KB/s kselftest.tar.xz 62%[===========> ] 2.13M 1.54MB/s kselftest.tar.xz 98%[==================> ] 3.32M 2.10MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.12MB/s in 1.6s 2022-11-09 21:12:38 (2.12 MB/s) - 'kselftest.tar.xz' saved [3541260/3541260] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 64.711295] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 65.359265] lkdtm: Performing direct entry BUG [ 65.364601] ------------[ cut here ]------------ [ 65.370657] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 65.376588] invalid opcode: 0000 [#1] SMP PTI [ 65.381454] CPU: 0 PID: 728 Comm: cat Tainted: G W 5.10.153-cip19 #1 [ 65.389992] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 65.396603] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.400977] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 65.421917] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 65.427748] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.435703] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 65.443655] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 65.451609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.459563] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 65.467520] FS: 00007f5105472580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 65.476543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.482948] CR2: 00007f510527b000 CR3: 000000010558a000 CR4: 00000000003506f0 [ 65.490905] Call Trace: [ 65.493641] direct_entry.cold+0x2c/0x38 [ 65.498022] full_proxy_write+0x56/0x80 [ 65.502306] vfs_write+0xea/0x3a0 [ 65.506004] ksys_write+0x68/0xf0 [ 65.509702] do_syscall_64+0x33/0x40 [ 65.513691] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.519325] RIP: 0033:0x7f51053888f3 [ 65.523310] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.544219] RSP: 002b:00007ffd6a99dc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.552648] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51053888f3 [ 65.560599] RDX: 0000000000000004 RSI: 00007f510527b000 RDI: 0000000000000001 [ 65.568552] RBP: 00007f510527b000 R08: 00007f510527a010 R09: 0000000000000000 [ 65.576504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.584456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.592417] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.608397] ---[ end trace 920d3aac2376711f ]--- [ 65.613564] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.617955] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 65.638902] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 65.644752] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.652729] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 65.660695] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 65.668661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.676642] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 65.684617] FS: 00007f5105472580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 65.693654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.700066] CR2: 00007f510527b000 CR3: 000000010558a000 CR4: 00000000003506f0 # Segmentation fault # [ 65.359265] lkdtm: Performing direct entry BUG # [ 65.364601] ------------[ cut here ]------------ # [ 65.370657] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 65.376588] invalid opcode: 0000 [#1] SMP PTI # [ 65.381454] CPU: 0 PID: 728 Comm: cat Tainted: G W 5.10.153-cip19 #1 # [ 65.389992] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.396603] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.400977] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 65.421917] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 65.427748] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.435703] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 65.443655] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 65.451609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.459563] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 65.467520] FS: 00007f5105472580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 # [ 65.476543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.482948] CR2: 00007f510527b000 CR3: 000000010558a000 CR4: 00000000003506f0 # [ 65.490905] Call Trace: # [ 65.493641] direct_entry.cold+0x2c/0x38 # [ 65.498022] full_proxy_write+0x56/0x80 # [ 65.502306] vfs_write+0xea/0x3a0 # [ 65.506004] ksys_write+0x68/0xf0 # [ 65.509702] do_syscall_64+0x33/0x40 # [ 65.513691] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.519325] RIP: 0033:0x7f51053888f3 # [ 65.523310] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.544219] RSP: 002b:00007ffd6a99dc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.552648] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51053888f3 # [ 65.560599] RDX: 0000000000000004 RSI: 00007f510527b000 RDI: 0000000000000001 # [ 65.568552] RBP: 00007f510527b000 R08: 00007f510527a010 R09: 0000000000000000 # [ 65.576504] R10: fffffffffffffbc5 R11: 00[ 65.969509] lkdtm: Performing direct entry WARNING 00000000000246 R12: 0000000000000001 # [ 65.584456] R13: 0000[ 65.976105] ------------[ cut here ]------------ 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 65.987453] WARNING: CPU: 1 PID: 764 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 65.592417] Modules linked in: fuse ip_tables cros_ec_debugfs cro[ 66.003046] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.025153] CPU: 1 PID: 764 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 66.033712] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 66.040344] RIP: 0010:lkdtm_WARNING+0x13/0x20 s_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal[ 66.045263] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 cros_ec_dev cros_usbpd_notify # [ 65.608397] ---[ end trace [ 66.072409] RSP: 0018:ffffa61501357e60 EFLAGS: 00010202 [ 66.084429] RAX: ffffffff934df440 RBX: 0000000000000002 RCX: 0000000000000000 920d3aac2376711f ]--- # [ 65.613564] RIP: 0010:lkdtm_BUG+0x5/[ 66.092398] RDX: 0000000000000000 RSI: ffff8c5c3bc9bf70 RDI: ffffffff9419bd80 [ 66.106559] RBP: ffffffff9458bd07 R08: 0000000000000000 R09: 0000000000000000 [ 66.114529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 66.122498] R13: ffffa61501357f10 R14: ffffa61501357f10 R15: ffff8c5bc4f74000 [ 66.130472] FS: 00007fd5e8cfd580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 [ 66.139510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.145931] CR2: 00007fd5e8b06000 CR3: 00000001032fe000 CR4: 00000000003506e0 [ 66.153901] Call Trace: [ 66.156653] direct_entry.cold+0x2c/0x38 [ 66.161057] full_proxy_write+0x56/0x80 0x10 # [ 65.617955] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff[ 66.165359] vfs_write+0xea/0x3a0 [ 66.175238] ksys_write+0x68/0xf0 [ 66.178957] do_syscall_64+0x33/0x40 [ 66.182966] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.188617] RIP: 0033:0x7fd5e8c138f3 [ 66.192621] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.213568] RSP: 002b:00007ffcc8f9e8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.222028] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fd5e8c138f3 [ 66.230000] RDX: 0000000000000008 RSI: 00007fd5e8b06000 RDI: 0000000000000001 [ 66.237969] RBP: 00007fd5e8b06000 R08: 00007fd5e8b05010 R09: 0000000000000000 [ 66.245937] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.253904] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff [ 66.261887] irq event stamp: 0 ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f[ 66.271476] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.284681] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.293822] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.302958] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.309964] ---[ end trace 920d3aac23767120 ]--- 1f 44 00 00 83 05 e0 f0 93 02 # [ 65.638902] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 65.644752] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.652729] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 65.660695] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 65.668661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 65.676642] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 65.684617] FS: 00007f5105472580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 # [ 65.693654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.700066] CR2: 00007f510527b000 CR3: 000000010558a000 CR4: 00000000003506f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 65.969509] lkdtm: Performing direct entry WARNING # [ 65.976105] ------------[ cut here ]------------ # [ 65.987453] WARNING: CPU: 1 PID: 764 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 66.003046] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.025153] CPU: 1 PID: 764 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 66.033712] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.040344] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 66.045263] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 # [ 66.072409] RSP: 0018:ffffa61501357e60 EFLAGS: 00010202 # [ 66.084429] RAX: ffffffff934df440 RBX: 0000000000000002 RCX: 0000000000000000 # [ 66.092398] RDX: 0000000000000000 RSI: ffff8c5c3bc9bf70 RDI: ffffffff9419bd80 # [ 66.106559] RBP: ffffffff9458bd07 R08: 0000000000000000 R09: 0000000000000000 # [ 66.114529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 66.122498] R13: ffffa61501357f10 R14: ffffa61501357f10 R15: ffff8c5bc4f74000 # [ 66.130472] FS: 00007fd5e8cfd580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 # [ 66.139510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.145931] CR2: 00007fd5e8b06000 CR3: 00000001032fe000 CR4: 00000000003506e0 # [ 66.153901] Call Trace: # [ 66.156653] direct_entry.cold+0x2c/0x38 # [ 66.161057] full_proxy_write+0x56/0x80 # [ 66.165359] vfs_write+0xea/0x3a0 # [ 66.175238] ksys_write+0x68/0xf0 # [ 66.178957] do_syscall_[ 66.568944] lkdtm: Performing direct entry WARNING_MESSAGE 64+0x33/0x40 # [ 66.182966] entry_SYSCALL_64_after_hwframe+0[ 66.575542] ------------[ cut here ]------------ x61/0xc6 # [ 66.188617] RIP: 0033:0x7fd5e8c138f3 # [ 66.19[ 66.586915] Warning message trigger count: 2 2621] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff f[ 66.597956] WARNING: CPU: 3 PID: 799 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 f eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00[ 66.614260] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4[ 66.636389] CPU: 3 PID: 799 Comm: cat Tainted: G D W 5.10.153-cip19 #1 8 89 54 24 18 # [ 66.213568] RSP: 002b:00007ffcc8f9e8f8 EFLAG[ 66.651367] Hardware name: Google Coral/Coral, BIOS 09/29/2020 S: 00000246 ORIG_RAX: 0000000000000001 # [ 66.222028] RAX: ff[ 66.664122] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 ffffffffffffda RBX: 0000000000000008 RCX: 00007fd5e8c138f3 # [ [ 66.675905] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 93 02 48 c7 c7 68 c2 58 94 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 66.230000] RDX: 0000000000000008 RSI: 00007fd5e8b06000 RDI: 00[ 66.703054] RSP: 0018:ffffa615013dfe60 EFLAGS: 00010286 00000000000001 # [ 66.237969] RBP: 00007fd5e8b06000 R08: 0000[ 66.714877] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 7fd5e8b05010 R09: 0000000000000000 # [ 66.245937] R10: ffffff[ 66.729029] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 fffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66[ 66.743152] RBP: ffffffff9458bd0f R08: 0000000000000000 R09: 0000000000000000 .253904] R13: 0000000000000001 R14: 0000000000020000 R15: 000000[ 66.757367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 0000020000 # [ 66.261887] irq event stamp: 0 # [ 66.271476[ 66.771477] R13: ffffa615013dff10 R14: ffffa615013dff10 R15: ffff8c5bc4076000 ] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 66.785635] FS: 00007f1379e9e580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 66.284681] hardirqs last disabled at (0): [] [ 66.800906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 copy_process+0x640/0x1c80 # [ 66.293822] softirqs last enabl[ 66.813492] CR2: 00007f1379ca7000 CR3: 0000000103196000 CR4: 00000000003506e0 ed at (0): [] copy_process+0x640/0x1c80 # [ [ 66.827664] Call Trace: 66.302958] softirqs last disabled at (0): [<0000000000000000>] [ 66.836599] direct_entry.cold+0x2c/0x38 0x0 # [ 66.309964] ---[ end trace 920d3aac23767120 ]--- # WA[ 66.847179] full_proxy_write+0x56/0x80 RNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # [ 66.857679] vfs_write+0xea/0x3a0 selftests: lkdtm: WARNING_MESSAGE.sh [ 66.867546] ksys_write+0x68/0xf0 [ 66.874917] do_syscall_64+0x33/0x40 [ 66.878929] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.884608] RIP: 0033:0x7f1379db48f3 [ 66.888617] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.909561] RSP: 002b:00007ffdc4278708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.918035] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1379db48f3 [ 66.926011] RDX: 0000000000000010 RSI: 00007f1379ca7000 RDI: 0000000000000001 [ 66.933983] RBP: 00007f1379ca7000 R08: 00007f1379ca6010 R09: 0000000000000000 [ 66.941949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.949949] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.957935] irq event stamp: 0 [ 66.961355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.968352] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.977488] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.986655] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.993660] ---[ end trace 920d3aac23767121 ]--- # [ 66.568944] lkdtm: Performing direct entry WARNING_MESSAGE # [ 66.575542] ------------[ cut here ]------------ # [ 66.586915] Warning message trigger count: 2 # [ 66.597956] WARNING: CPU: 3 PID: 799 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.614260] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.636389] CPU: 3 PID: 799 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 66.651367] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.664122] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 66.675905] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 93 02 48 c7 c7 68 c2 58 94 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 66.703054] RSP: 0018:ffffa615013dfe60 EFLAGS: 00010286 # [ 66.714877] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 66.729029] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 # [ 66.743152] RBP: ffffffff9458bd0f R08: 0000000000000000 R09: 0000000000000000 # [ 66.757367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 66.771477] R13: ffffa615013dff10 R14: ffffa615013dff10 R15: ffff8c5bc4076000 # [ 66.785635] FS: 00007f1379e9e580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 66.800906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.813492] CR2: 00007f1379ca7000 CR3: 0000000103196000 CR4: 00000000003506e0 # [ 66.827664] Call Trace: # [ 66.836599] direct_entry.cold+0x2c/0x38 # [ 66.847179] full_proxy_write+0x56/0x80 # [ 66.857679] vfs_write+0xea/0x3a0 # [ 66.867546] ksys_write+0x68/0xf0 # [ 66.874917] do_syscall_64+0x33/0x40 # [ 66.878929] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.884608] RIP: 0033:0x7f1379db48f3 # [ 66.888617] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0[ 67.266385] lkdtm: Performing direct entry EXCEPTION [ 67.275230] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 67.282988] #PF: supervisor write access in kernel mode [ 67.288807] #PF: error_code(0x0002) - not-present page [ 67.294529] PGD 0 P4D 0 [ 67.297355] Oops: 0002 [#2] SMP PTI [ 67.301241] CPU: 0 PID: 831 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 67.309768] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.316372] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 67.321324] Code: 48 c7 c7 68 c2 58 94 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 67.342251] RSP: 0018:ffffa6150144fe60 EFLAGS: 00010286 [ 67.348075] RAX: ffffffff934df490 RBX: 0000000000000004 RCX: 0000000000000000 [ 67.356026] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bda0 [ 67.363977] RBP: ffffffff944c1027 R08: 0000000000000000 R09: 0000000000000000 [ 67.371930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 67.379880] R13: ffffa6150144ff10 R14: ffffa6150144ff10 R15: ffff8c5bc3070000 [ 67.387834] FS: 00007f44c9b4d580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 67.396854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.403258] CR2: 0000000000000000 CR3: 0000000105652000 CR4: 00000000003506f0 [ 67.411209] Call Trace: [ 67.413943] direct_entry.cold+0x2c/0x38 [ 67.418321] full_proxy_write+0x56/0x80 [ 67.422599] vfs_write+0xea/0x3a0 [ 67.426292] ksys_write+0x68/0xf0 [ 67.429982] do_syscall_64+0x33/0x40 [ 67.433968] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.439600] RIP: 0033:0x7f44c9a638f3 [ 67.443585] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.464512] RSP: 002b:00007ffe0147cba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.472951] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f44c9a638f3 [ 67.480901] RDX: 000000000000000a RSI: 00007f44c9956000 RDI: 0000000000000001 [ 67.488850] RBP: 00007f44c9956000 R08: 00007f44c9955010 R09: 0000000000000000 [ 67.496801] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.504750] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.512710] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.528635] CR2: 0000000000000000 [ 67.532328] ---[ end trace 920d3aac23767122 ]--- [ 67.537471] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 67.541838] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 67.562766] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 67.568579] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 67.576528] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 67.584479] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 67.592429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 67.600380] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 67.608333] FS: 00007f44c9b4d580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 67.617347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.623748] CR2: 0000000000000000 CR3: 0000000105652000 CR4: 00000000003506f0 [ 67.631702] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 67.641577] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 831, name: cat [ 67.649913] INFO: lockdep is turned off. [ 67.654280] irq event stamp: 0 [ 67.657679] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.664663] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.673764] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.682873] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.689851] CPU: 0 PID: 831 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 67.698376] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 67.704966] Call Trace: [ 67.707694] dump_stack+0x77/0x9b [ 67.711391] ___might_sleep.cold+0xa6/0xb6 [ 67.715961] exit_signals+0x1c/0x2e0 [ 67.719946] do_exit+0xd5/0xb00 [ 67.723447] ? ksys_write+0x68/0xf0 [ 67.727336] rewind_stack_do_exit+0x17/0x20 [ 67.731996] RIP: 0033:0x7f44c9a638f3 [ 67.735979] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.756897] RSP: 002b:00007ffe0147cba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.765335] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f44c9a638f3 [ 67.773285] RDX: 000000000000000a RSI: 00007f44c9956000 RDI: 0000000000000001 [ 67.781236] RBP: 00007f44c9956000 R08: 00007f44c9955010 R09: 0000000000000000 [ 67.789186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.797137] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.909561] RSP: 002b:00007ffdc4278708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.918035] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1379db48f3 # [ 66.926011] RDX: 0000000000000010 RSI: 00007f1379ca7000 RDI: 0000000000000001 # [ 66.933983] RBP: 00007f1379ca7000 R08: 00007f1379ca6010 R09: 0000000000000000 # [ 66.941949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.949949] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.957935] irq event stamp: 0 # [ 66.961355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.968352] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.977488] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.986655] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.993660] ---[ end trace 920d3aac23767121 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 67.266385] lkdtm: Performing direct entry EXCEPTION # [ 67.275230] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 67.282988] #PF: supervisor write access in kernel mode # [ 67.288807] #PF: error_code(0x0002) - not-present page # [ 67.294529] PGD 0 P4D 0 # [ 67.297355] Oops: 0002 [#2] SMP PTI # [ 67.301241] CPU: 0 PID: 831 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 67.309768] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.316372] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 67.321324] Code: 48 c7 c7 68 c2 58 94 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 67.342251] RSP: 0018:ffffa6150144fe60 EFLAGS: 00010286 # [ 67.348075] RAX: ffffffff934df490 RBX: 0000000000000004 RCX: 0000000000000000 # [ 67.356026] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bda0 # [ 67.363977] RBP: ffffffff944c1027 R08: 0000000000000000 R09: 0000000000000000 # [ 67.371930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 67.379880] R13: ffffa6150144ff10 R14: ffffa6150144ff10 R15: ffff8c5bc3070000 # [ 67.387834] FS: 00007f44c9b4d580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 # [ 67.396854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.403258] CR2: 0000000000000000 CR3: 0000000105652000 CR4: 00000000003506f0 # [ 67.411209] Call Trace: # [ 67.413943] direct_entry.cold+0x2c/0x38 # [ 67.418321] full_proxy_write+0x56/0x80 # [ 67.422599] vfs_write+0xea/0x3a0 # [ 67.426292] ksys_write+0x68/0xf0 # [ 67.429982] do_syscall_64+0x33/0x40 # [ 67.433968] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.439600] RIP: 0033:0x7f44c9a638f3 # [ 67.443585] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.464512] RSP: 002b:00007ffe0147cba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.472951] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f44c9a638f3 # [ 67.480901] RDX: 000000000000000a RSI: 00007f44c9956000 RDI: 0000000000000001 # [ 67.488850] RBP: 00007f44c9956000 R08: 00007f44c9955010 R09: 0000000000000000 # [ 67.496801] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.504750] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.512710] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.528635] CR2: 0000000000000000 # [ 67.532328] ---[ end trace 920d3aac23767122 ]--- # [ 67.537471] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 67.541838] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 67.562766] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 67.568579] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 67.576528] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 67.584479] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 67.592429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 67.600380] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 67.608333] FS: 00007f44c9b4d580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 # [ 67.617347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.623748] CR2: 0000000000000000 CR3: 0000000105652000 CR4: 00000000003506f0 # [ 67.631702] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 67.641577] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 831, name: cat # [ 67.649913] INFO: lockdep is turned off. # [ 67.654280] irq event stamp: 0 # [ 67.657679] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.664663] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.673764] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.682873] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.689851] CPU: 0 PID: 831 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 67.698376] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.704966] Call Trace: # [ 67.707694] dump_stack+0x77/0x9b # [ 67.711391] ___might_sleep.cold+0xa6/0xb6 # [ 67.715961] exit_signals+0x1c/0x2e0 # [ 67.719946] do_exit+0xd5/0xb00 # [ 67.723447] ? ksys_write+0x68/0xf0 # [ 67.727336] rewind_stack_do_exit+0x17/0x20 # [ 67.731996] RIP: 0033:0x7f44c9a638f3 # [ 67.735979] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.756897] RSP: 002b:00007ffe0147cba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.765335] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f44c9a638f3 # [ 67.773285] RDX: 000000000000000a RSI: 00007f44c9956000 RDI: 0000000000000001 # [ 67.781236] RBP: 00007f44c9956000 R08: 00007f44c9955010 R09: 0000000000000000 # [ 67.789186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.797137] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh [ 68.648295] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 68.654545] lkdtm: attempting good list addition [ 68.659729] lkdtm: attempting corrupted list addition [ 68.665403] lkdtm: list_add() corruption not detected! # [ 68.648295] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 68.654545] lkdtm: attempting good list addition # [ 68.659729] lkdtm: attempting corrupted list addition # [ 68.665403] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh [ 68.917346] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 68.923586] lkdtm: attempting good list removal [ 68.928666] lkdtm: attempting corrupted list removal [ 68.934233] lkdtm: list_del() corruption not detected! # [ 68.917346] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 68.923586] lkdtm: attempting good list removal # [ 68.928666] lkdtm: attempting corrupted list removal # [ 68.934233] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh [ 69.176624] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 69.183671] lkdtm: attempting bad read from page below current stack [ 69.190837] BUG: stack guard page was hit at 000000002cd95b85 (stack is 00000000cb7f1bbf..00000000857eb543) [ 69.201700] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 69.208494] CPU: 3 PID: 1056 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 69.217121] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.223726] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 69.230230] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 08 c6 58 94 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 48 c6 58 94 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 [ 69.251159] RSP: 0018:ffffa6150179fe50 EFLAGS: 00010246 [ 69.256988] RAX: 0000000000000038 RBX: ffffa6150179c000 RCX: 0000000000000000 [ 69.264946] RDX: 0000000000000000 RSI: ffff8c5c3bd9bf70 RDI: ffffffff9458c648 [ 69.272900] RBP: ffffffff9458bd72 R08: 0000000000000000 R09: 0000000000000000 [ 69.280857] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 69.288813] R13: ffffa6150179ff10 R14: ffffa6150179ff10 R15: ffff8c5bc4cc6000 [ 69.296766] FS: 00007efc51355580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 [ 69.305786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.312191] CR2: ffffa6150179bfff CR3: 000000010304a000 CR4: 00000000003506e0 [ 69.320144] Call Trace: [ 69.322877] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 69.327930] direct_entry.cold+0x2c/0x38 [ 69.332298] full_proxy_write+0x56/0x80 [ 69.336578] vfs_write+0xea/0x3a0 [ 69.340274] ksys_write+0x68/0xf0 [ 69.343973] do_syscall_64+0x33/0x40 [ 69.347960] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.353595] RIP: 0033:0x7efc5126b8f3 [ 69.357580] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.378503] RSP: 002b:00007ffe11531248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.386941] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007efc5126b8f3 [ 69.394893] RDX: 0000000000000019 RSI: 00007efc5115e000 RDI: 0000000000000001 [ 69.402842] RBP: 00007efc5115e000 R08: 00007efc5115d010 R09: 0000000000000000 [ 69.410792] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.418740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.426706] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.442647] ---[ end trace 920d3aac23767123 ]--- [ 69.447798] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.452172] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 69.473092] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 69.478906] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.486854] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 69.494800] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 69.502749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 69.510698] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 69.518653] FS: 00007efc51355580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 [ 69.527671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.534073] CR2: ffffa6150179bfff CR3: 000000010304a000 CR4: 00000000003506e0 [ 69.542028] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 69.551922] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1056, name: cat [ 69.560356] INFO: lockdep is turned off. [ 69.564724] irq event stamp: 0 [ 69.568125] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.575105] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.584221] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.593335] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.600320] CPU: 3 PID: 1056 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 69.608940] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 69.615535] Call Trace: [ 69.618268] dump_stack+0x77/0x9b [ 69.621967] ___might_sleep.cold+0xa6/0xb6 [ 69.626538] exit_signals+0x1c/0x2e0 [ 69.630525] do_exit+0xd5/0xb00 [ 69.634028] ? ksys_write+0x68/0xf0 [ 69.637920] rewind_stack_do_exit+0x17/0x20 [ 69.642580] RIP: 0033:0x7efc5126b8f3 [ 69.646564] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.667493] RSP: 002b:00007ffe11531248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.675934] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007efc5126b8f3 [ 69.683882] RDX: 0000000000000019 RSI: 00007efc5115e000 RDI: 0000000000000001 [ 69.691831] RBP: 00007efc5115e000 R08: 00007efc5115d010 R09: 0000000000000000 [ 69.699781] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.707732] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 69.176624] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 69.183671] lkdtm: attempting bad read from page below current stack # [ 69.190837] BUG: stack guard page was hit at 000000002cd95b85 (stack is 00000000cb7f1bbf..00000000857eb543) # [ 69.201700] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 69.208494] CPU: 3 PID: 1056 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 69.217121] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.223726] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 69.230230] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 08 c6 58 94 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 48 c6 58 94 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 # [ 69.251159] RSP: 0018:ffffa6150179fe50 EFLAGS: 00010246 # [ 69.256988] RAX: 0000000000000038 RBX: ffffa6150179c000 RCX: 0000000000000000 # [ 69.264946] RDX: 0000000000000000 RSI: ffff8c5c3bd9bf70 RDI: ffffffff9458c648 # [ 69.272900] RBP: ffffffff9458bd72 R08: 0000000000000000 R09: 0000000000000000 # [ 69.280857] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 69.288813] R13: ffffa6150179ff10 R14: ffffa6150179ff10 R15: ffff8c5bc4cc6000 # [ 69.296766] FS: 00007efc51355580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 69.305786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.312191] CR2: ffffa6150179bfff CR3: 000000010304a000 CR4: 00000000003506e0 # [ 69.320144] Call Trace: # [ 69.322877] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 69.327930] direct_entry.cold+0x2c/0x38 # [ 69.332298] full_proxy_write+0x56/0x80 # [ 69.336578] vfs_write+0xea/0x3a0 # [ 69.340274] ksys_write+0x68/0xf0 # [ 69.343973] do_syscall_64+0x33/0x40 # [ 69.347960] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.353595] RIP: 0033:0x7efc5126b8f3 # [ 69.357580] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.378503] RSP: 002b:00007ffe11531248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.386941] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007efc5126b8f3 # [ 69.394893] RDX: 0000000000000019 RSI: 00007efc5115e000 RDI: 0000000000000001 # [ 69[ 69.992744] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING .402842] RBP: 00007efc5115e000 R08: 00007efc5115d010 R09: 000000[ 70.004306] lkdtm: attempting bad read from page above current stack 0000000000 # [ 69.410792] R10: fffffffffffffbc5 R11: 00000000[ 70.017586] BUG: stack guard page was hit at 000000003c290a25 (stack is 000000003c31a3fe..00000000cedeb696) [ 70.034597] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 70.041396] CPU: 3 PID: 1089 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 70.050020] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.056623] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 70.063224] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 80 c6 58 94 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 c0 c6 58 94 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff [ 70.084154] RSP: 0018:ffffa6150181fe50 EFLAGS: 00010246 [ 70.089980] RAX: 0000000000000038 RBX: ffffa6150181c000 RCX: 0000000000000000 [ 70.097927] RDX: 0000000000000000 RSI: ffff8c5c3bd9bf70 RDI: ffffffff9458c6c0 [ 70.105879] RBP: ffffffff9458bd8b R08: 0000000000000000 R09: 0000000000000000 [ 70.113830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 70.121785] R13: ffffa6150181ff10 R14: ffffa6150181ff10 R15: ffff8c5bc27ab000 [ 70.129737] FS: 00007f81cc88b580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 [ 70.138757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.145164] CR2: ffffa61501820000 CR3: 0000000103070000 CR4: 00000000003506e0 [ 70.153114] Call Trace: [ 70.155847] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 70.161677] direct_entry.cold+0x2c/0x38 [ 70.166058] full_proxy_write+0x56/0x80 [ 70.170341] vfs_write+0xea/0x3a0 [ 70.174040] ksys_write+0x68/0xf0 [ 70.177738] do_syscall_64+0x33/0x40 [ 70.181726] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.187357] RIP: 0033:0x7f81cc7a18f3 [ 70.191343] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.212268] RSP: 002b:00007fffe95828a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.220695] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f81cc7a18f3 [ 70.228645] RDX: 000000000000001a RSI: 00007f81cc694000 RDI: 0000000000000001 [ 70.236592] RBP: 00007f81cc694000 R08: 00007f81cc693010 R09: 0000000000000000 [ 70.244542] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.252487] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.260446] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.276368] ---[ end trace 920d3aac23767124 ]--- [ 70.281514] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 70.285881] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 70.306800] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 70.312611] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 70.320563] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 70.328513] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 70.336463] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 70.344416] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 70.352369] FS: 00007f81cc88b580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 [ 70.361384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.367784] CR2: ffffa61501820000 CR3: 0000000103070000 CR4: 00000000003506e0 00000246 R12: 0000000000000001 # [ 69.418740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.426706] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.442647] ---[ end trace 920d3aac23767123 ]--- # [ 69.447798] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 69.452172] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 69.473092] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 69.478906] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 69.486854] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 69.494800] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 69.502749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 69.510698] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 69.518653] FS: 00007efc51355580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 69.527671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.534073] CR2: ffffa6150179bfff CR3: 000000010304a000 CR4: 00000000003506e0 # [ 69.542028] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 69.551922] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1056, name: cat # [ 69.560356] INFO: lockdep is turned off. # [ 69.564724] irq event stamp: 0 # [ 69.568125] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.575105] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.584221] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.593335] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.600320] CPU: 3 PID: 1056 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 69.608940] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.615535] Call Trace: # [ 69.618268] dump_stack+0x77/0x9b # [ 69.621967] ___might_sleep.cold+0xa6/0xb6 # [ 69.626538] exit_signals+0x1c/0x2e0 # [ 69.630525] do_exit+0xd5/0xb00 # [ 69.634028] ? ksys_write+0x68/0xf0 # [ 69.637920] rewind_stack_do_exit+0x17/0x20 # [ 69.642580] RIP: 0033:0x7efc5126b8f3 # [ 69.646564] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.667493] RSP: 002b:00007ffe11531248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.675934] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007efc5126b8f3 # [ 69.683882] RDX: 0000000000000019 RSI: 00007efc5115e000 RDI: 0000000000000001 # [ 69.691831] RBP: 00007efc5115e000 R08: 00007efc5115d010 R09: 0000000000000000 # [ 69.699781] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.707732] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_L[ 70.688298] lkdtm: Performing direct entry UNSET_SMEP [ 70.697535] lkdtm: trying to clear SMEP normally [ 70.702725] ------------[ cut here ]------------ EADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # S[ 70.707902] pinned CR4 bits changed: 0x100000!? [ 70.719166] WARNING: CPU: 0 PID: 1125 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 egmentation fault # [ 69.992744] lkdtm: Performing direct ent[ 70.729361] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.751518] CPU: 0 PID: 1125 Comm: cat Tainted: G D W 5.10.153-cip19 #1 ry STACK_GUARD_PAGE_TRAILING # [ 70.004306] lkdtm: attempting[ 70.760173] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 70.772986] RIP: 0010:native_write_cr4+0x45/0x60 bad read from page above current stack # [ 70.017586] BUG: s[ 70.778157] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 78 a4 e3 01 00 75 f2 48 c7 c7 68 b0 4c 94 c6 05 68 a4 e3 01 01 e8 f6 cf e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 70.805319] RSP: 0018:ffffa615018b7e48 EFLAGS: 00010286 tack guard page was hit at 000000003c290a25 (stack is 000000003c[ 70.811177] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 [ 70.825341] RDX: ffff8c5c3bc2c660 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 [ 70.833308] RBP: ffffffff9458bda5 R08: 0000000000000000 R09: 0000000000000000 [ 70.841281] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 70.849255] R13: ffffa615018b7f10 R14: ffffa615018b7f10 R15: ffff8c5bc55c0000 [ 70.857229] FS: 00007f84de75d580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 70.866268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.872697] CR2: 00007f84de566000 CR3: 00000001027f8000 CR4: 00000000003506f0 [ 70.880676] Call Trace: [ 70.883435] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 70.888326] direct_entry.cold+0x2c/0x38 [ 70.892718] full_proxy_write+0x56/0x80 [ 70.897022] vfs_write+0xea/0x3a0 [ 70.900740] ksys_write+0x68/0xf0 [ 70.904463] do_syscall_64+0x33/0x40 [ 70.908473] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.914128] RIP: 0033:0x7f84de6738f3 [ 70.918135] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.939092] RSP: 002b:00007ffd676410f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.947558] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f84de6738f3 [ 70.955540] RDX: 000000000000000b RSI: 00007f84de566000 RDI: 0000000000000001 [ 70.963514] RBP: 00007f84de566000 R08: 00007f84de565010 R09: 0000000000000000 [ 70.971485] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.979449] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.987432] irq event stamp: 0 [ 70.990857] hardirqs last enabled at (0): [<0000000000000000>] 0x0 31a3fe..00000000cedeb696) # [ 70.034597] kernel stack overflo[ 70.997863] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.013176] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 w (page fault): 0000 [#4] SMP PTI # [ 70.041396] CPU: 3 PID: [ 71.022315] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.035523] ---[ end trace 920d3aac23767125 ]--- [ 71.040690] lkdtm: ok: SMEP did not get cleared [ 71.045761] lkdtm: trying to clear SMEP with call gadget [ 71.051703] lkdtm: ok: SMEP removal was reverted 1089 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 70.050020] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.056623] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 70.063224] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 80 c6 58 94 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 c0 c6 58 94 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff # [ 70.084154] RSP: 0018:ffffa6150181fe50 EFLAGS: 00010246 # [ 70.089980] RAX: 0000000000000038 RBX: ffffa6150181c000 RCX: 0000000000000000 # [ 70.097927] RDX: 0000000000000000 RSI: ffff8c5c3bd9bf70 RDI: ffffffff9458c6c0 # [ 70.105879] RBP: ffffffff9458bd8b R08: 0000000000000000 R09: 0000000000000000 # [ 70.113830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 70.121785] R13: ffffa6150181ff10 R14: ffffa6150181ff10 R15: ffff8c5bc27ab000 # [ 70.129737] FS: 00007f81cc88b580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 70.138757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.145164] CR2: ffffa61501820000 CR3: 0000000103070000 CR4: 00000000003506e0 # [ 70.153114] Call Trace: # [ 70.155847] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 70.161677] direct_entry.cold+0x2c/0x38 # [ 70.166058] full_proxy_write+0x56/0x80 # [ 70.170341] vfs_write+0xea/0x3a0 # [ 70.174040] ksys_write+0x68/0xf0 # [ 70.177738] do_syscall_64+0x33/0x40 # [ 70.181726] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.187357] RIP: 0033:0x7f81cc7a18f3 # [ 70.191343] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.212268] RSP: 002b:00007fffe95828a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.220695] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f81cc7a18f3 # [ 70.228645] RDX: 000000000000001a RSI: 00007f81cc694000 RDI: 0000000000000001 # [ 70.236592] RBP: 00007f81cc694000 R08: 00007f81cc693010 R09: 0000000000000000 # [ 70.244542] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.252487] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.260446] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.276368] ---[ end trace 920d3aac23767124 ]--- # [ 70.281514] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 70.285881] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9[ 71.311828] lkdtm: Performing direct entry DOUBLE_FAULT 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0[ 71.323104] lkdtm: XFAIL: this test is ia32-only 0 83 05 e0 f0 93 02 # [ 70.306800] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 70.312611] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 70.320563] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 70.328513] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 70.336463] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 70.344416] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 70.352369] FS: 00007f81cc88b580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 70.361384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.367784] CR2: ffffa61501820000 CR3: 0000000103070000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 70.688298] lkdtm: Performing direct entry UNSET_SMEP # [ 70.697535] lkdtm: trying to clear SMEP normally # [ 70.702725] ------------[ cut here ]------------ # [ 70.707902] pinned CR4 bits changed: 0x100000!? # [ 70.719166] WARNING: CPU: 0 PID: 1125 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 70.729361] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.751518] CPU: 0 PID: 1125 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 70.760173] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.772986] RIP: 0010:native_write_cr4+0x45/0x60 # [ 70.778157] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 78 a4 e3 01 00 75 f2 48 c7 c7 68 b0 4c 94 c6 05 68 a4 e3 01 01 e8 f6 cf e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 70.805319] RSP: 0018:ffffa615018b7e48 EFLAGS: 00010286 # [ 70.811177] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 # [ 70.825341] RDX: ffff8c5c3bc2c660 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 # [ 70.833308] RBP: ffffffff9458bda5 R08: 0000000000000000 R09: 0000000000000000 # [ 70.841281] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 70.849255] R13: ffffa615018b7f10 R14: ffffa615018b7f10 R15: ffff8c5bc55c0000 # [ 70.857229] FS: 00007f84de75d580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 # [ 70.866268] CS: 0010 DS: 00[ 71.564209] lkdtm: Performing direct entry CORRUPT_PAC 00 ES: 0000 CR0: 0000000080050033 # [ 70.872697] CR2: 00007f8[ 71.575795] lkdtm: XFAIL: this test is arm64-only 4de566000 CR3: 00000001027f8000 CR4: 00000000003506f0 # [ 70.880676] Call Trace: # [ 70.883435] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 70.888326] direct_entry.cold+0x2c/0x38 # [ 70.892718] full_proxy_write+0x56/0x80 # [ 70.897022] vfs_write+0xea/0x3a0 # [ 70.900740] ksys_write+0x68/0xf0 # [ 70.904463] do_syscall_64+0x33/0x40 # [ 70.908473] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.914128] RIP: 0033:0x7f84de6738f3 # [ 70.918135] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.939092] RSP: 002b:00007ffd676410f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.947558] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f84de6738f3 # [ 70.955540] RDX: 000000000000000b RSI: 00007f84de566000 RDI: 0000000000000001 # [ 70.963514] RBP: 00007f84de566000 R08: 00007f84de565010 R09: 0000000000000000 # [ 70.971485] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.979449] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.987432] irq event stamp: 0 # [ 70.990857] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.997863] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.013176] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.022315] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.035523] ---[ end trace 920d3aac23767125 ]--- # [ 71.040690] lkdtm: ok: SMEP did not get cleared # [ 71.045761] lkdtm: trying to clear SMEP with call gadget # [ 71.051703] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 71.311828] lkdtm: Performing direct entry DOUBLE_FAULT # [ 71.323104] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 71.564209] lkdtm: Performing direct entry CORRUPT_PAC # [ 71.575795] 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 [ 71.832317] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 71.839543] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 71.832317] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 71.839543] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh [ 72.365617] lkdtm: Performing direct entry READ_AFTER_FREE [ 72.371784] lkdtm: Value in memory before free: 12345678 [ 72.377738] lkdtm: Attempting bad read from freed memory [ 72.383698] lkdtm: Memory was not poisoned # [ 72.365617] lkdtm: Performing direct entry READ_AFTER_FREE # [ 72.371784] lkdtm: Value in memory before free: 12345678 # [ 72.377738] lkdtm: Attempting bad read from freed memory # [ 72.383698] 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 [ 72.771104] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 72.777865] lkdtm: Value in memory before free: 12345678 [ 72.783809] lkdtm: Attempting to read from freed memory [ 72.789667] lkdtm: Buddy page was not poisoned # [ 72.771104] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 72.777865] lkdtm: Value in memory before free: 12345678 # [ 72.783809] lkdtm: Attempting to read from freed memory # [ 72.789667] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh [ 73.038414] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 73.044682] lkdtm: Attempting double slab free ... # [ 73.038414] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 73.044682] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh [ 73.308225] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 73.314383] lkdtm: Attempting cross-cache slab free ... # [ 73.308225] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 73.314383] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh [ 73.564945] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 73.571008] lkdtm: Attempting non-Slab slab free ... # [ 73.564945] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 73.571008] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh [ 74.342665] lkdtm: Performing direct entry EXEC_DATA [ 74.348258] lkdtm: attempting ok execution at ffffffff934df800 [ 74.354788] lkdtm: attempting bad execution at ffffffff95e1e560 [ 74.361437] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 74.369783] BUG: unable to handle page fault for address: ffffffff95e1e560 [ 74.377447] #PF: supervisor instruction fetch in kernel mode [ 74.383755] #PF: error_code(0x0011) - permissions violation [ 74.389969] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 80000001308000e3 [ 74.397742] Oops: 0011 [#5] SMP PTI [ 74.401633] CPU: 1 PID: 1632 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 74.410268] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.416875] RIP: 0010:data_area+0x0/0x40 [ 74.421249] Code: ff ff 00 34 25 c0 5b 8c ff ff 00 33 25 c0 5b 8c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 74.442189] RSP: 0018:ffffa6150201fe48 EFLAGS: 00010246 [ 74.448016] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.455972] RDX: 0000000000000000 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 [ 74.463929] RBP: ffffffff95e1e560 R08: 0000000000000000 R09: 0000000000000000 [ 74.471883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 74.479837] R13: ffffa6150201ff10 R14: ffffa6150201ff10 R15: ffff8c5bc56e3000 [ 74.487796] FS: 00007fe77d6f9580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 [ 74.496814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.503221] CR2: ffffffff95e1e560 CR3: 0000000103b98000 CR4: 00000000003506e0 [ 74.511169] Call Trace: [ 74.513905] ? execute_location+0x48/0x56 [ 74.518375] ? direct_entry.cold+0x2c/0x38 [ 74.522946] ? full_proxy_write+0x56/0x80 [ 74.527419] ? vfs_write+0xea/0x3a0 [ 74.531308] ? ksys_write+0x68/0xf0 [ 74.535198] ? do_syscall_64+0x33/0x40 [ 74.539379] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.545214] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 74.561145] CR2: ffffffff95e1e560 [ 74.564846] ---[ end trace 920d3aac23767126 ]--- [ 74.569995] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 74.574371] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 74.595295] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 74.601118] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.609074] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 74.617030] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 74.624985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 74.632939] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 74.640893] FS: 00007fe77d6f9580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 [ 74.649912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.656315] CR2: ffffffff95e1e560 CR3: 0000000103b98000 CR4: 00000000003506e0 [ 74.664267] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 74.674148] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1632, name: cat [ 74.682580] INFO: lockdep is turned off. [ 74.686950] irq event stamp: 0 [ 74.690355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.697342] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 74.706456] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 74.715565] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 74.722549] CPU: 1 PID: 1632 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 74.731175] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 74.737772] Call Trace: [ 74.740505] dump_stack+0x77/0x9b [ 74.744207] ___might_sleep.cold+0xa6/0xb6 [ 74.748777] exit_signals+0x1c/0x2e0 [ 74.752763] do_exit+0xd5/0xb00 [ 74.756264] ? ksys_write+0x68/0xf0 [ 74.760158] rewind_stack_do_exit+0x17/0x20 [ 74.764824] RIP: 0033:0x7fe77d60f8f3 [ 74.768810] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.789729] RSP: 002b:00007ffe05bd73b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.798170] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe77d60f8f3 [ 74.806123] RDX: 000000000000000a RSI: 00007fe77d502000 RDI: 0000000000000001 [ 74.814077] RBP: 00007fe77d502000 R08: 00007fe77d501010 R09: 0000000000000000 [ 74.822030] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.829986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 74.342665] lkdtm: Performing direct entry EXEC_DATA # [ 74.348258] lkdtm: attempting ok execution at ffffffff934df800 # [ 74.354788] lkdtm: attempting bad execution at ffffffff95e1e560 # [ 74.361437] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 74.369783] BUG: unable to handle page fault for address: ffffffff95e1e560 # [ 74.377447] #PF: supervisor instruction fetch in kernel mode # [ 74.383755] #PF: error_code(0x0011) - permissions violation # [ 74.389969] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 80000001308000e3 # [ 74.397742] Oops: 0011 [#5] SMP PTI # [ 74.401633] CPU: 1 PID: 1632 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 74.410268] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.416875] RIP: 0010:data_area+0x0/0x40 # [ 74.421249] Code: ff ff 00 34 25 c0 5b 8c ff ff 00 33 25 c0 5b 8c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 74.442189] RSP: 0018:ffffa6150201fe48 EFLAGS: 00010246 # [ 74.448016] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.455972] RDX: 0000000000000000 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 # [ 74.463929] RBP: ffffffff95e1e560 R08: 0000000000000000 R09: 0000000000000000 # [ 74.471883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 74.479837] R13: ffffa6150201ff10 R14: ffffa6150201ff10 R15: ffff8c5bc56e3000 # [ 74.487796] FS: 00007fe77d6f9580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 # [ 74.496814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.503221] CR2: ffffffff95e1e560 CR3: 0000000103b98000 CR4: 00000000003506e0 # [ 74.511169] Call Trace: # [ 74.513905] ? execute_location+0x48/0x56 # [ 74.518375] ? direct_entry.cold+0x2c/0x38 # [ 74.522946] ? full_proxy_write+0x56/0x80 # [ 74.527419] ? vfs_write+0xea/0x3a0 # [ 74.531308] ? ksys_write+0x68/0xf0 # [ 74.535198] ? do_syscall_64+0x33/0x40 # [ 74.539379] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.545214] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.561145] CR2: ffffffff95e1e560 # [ 74.564846] ---[ end trace 920d3aac23767126 ]--- # [ 74.569995] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 74.[ 75.124817] lkdtm: Performing direct entry EXEC_STACK 574371] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48[ 75.135802] lkdtm: attempting ok execution at ffffffff934df800 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f [ 75.148539] lkdtm: attempting bad execution at ffffa61502097e18 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83[ 75.161380] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 75.175840] BUG: unable to handle page fault for address: ffffa61502097e18 [ 75.183503] #PF: supervisor instruction fetch in kernel mode [ 75.189807] #PF: error_code(0x0011) - permissions violation [ 75.196015] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104d0c067 PTE 8000000104e52063 [ 75.205055] Oops: 0011 [#6] SMP PTI [ 75.208944] CPU: 3 PID: 1668 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 75.217581] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.224185] RIP: 0010:0xffffa61502097e18 [ 75.228560] Code: 00 00 18 7e 09 02 15 a6 ff ff 02 d6 b6 93 ff ff ff ff 20 00 00 00 00 00 00 00 ce be 58 94 ff ff ff ff 2e d7 b6 93 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 75.249485] RSP: 0018:ffffa61502097df8 EFLAGS: 00010246 [ 75.255306] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.263262] RDX: 0000000000000000 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 [ 75.271216] RBP: ffffa61502097e18 R08: 0000000000000000 R09: 0000000000000000 [ 75.279175] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 75.287129] R13: ffffa61502097f10 R14: ffffa61502097f10 R15: ffff8c5bc328a000 [ 75.295088] FS: 00007f3f5b90f580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 [ 75.304111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.310522] CR2: ffffa61502097e18 CR3: 0000000104db2000 CR4: 00000000003506e0 [ 75.318483] Call Trace: [ 75.321220] ? execute_location+0x48/0x56 [ 75.325693] ? lkdtm_EXEC_STACK+0x26/0x44 [ 75.330154] ? direct_entry.cold+0x2c/0x38 [ 75.334725] ? full_proxy_write+0x56/0x80 [ 75.339197] ? vfs_write+0xea/0x3a0 [ 75.343087] ? ksys_write+0x68/0xf0 [ 75.346976] ? do_syscall_64+0x33/0x40 [ 75.351160] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.356995] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 75.372924] CR2: ffffa61502097e18 [ 75.376620] ---[ end trace 920d3aac23767127 ]--- [ 75.381772] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 75.386143] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 75.407074] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 75.412900] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.420851] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 75.428802] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 75.436753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 75.444707] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 75.452661] FS: 00007f3f5b90f580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 [ 75.461679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.468084] CR2: ffffa61502097e18 CR3: 0000000104db2000 CR4: 00000000003506e0 [ 75.476039] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 75.485931] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1668, name: cat [ 75.494367] INFO: lockdep is turned off. [ 75.498734] irq event stamp: 0 [ 75.502135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.509130] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 75.518248] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 75.527363] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 75.534349] CPU: 3 PID: 1668 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 75.542980] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 75.549573] Call Trace: [ 75.552303] dump_stack+0x77/0x9b [ 75.556000] ___might_sleep.cold+0xa6/0xb6 [ 75.560568] exit_signals+0x1c/0x2e0 [ 75.564553] do_exit+0xd5/0xb00 [ 75.568057] ? ksys_write+0x68/0xf0 [ 75.571948] rewind_stack_do_exit+0x17/0x20 [ 75.576612] RIP: 0033:0x7f3f5b8258f3 [ 75.580597] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.601528] RSP: 002b:00007ffc84c8b6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.609968] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3f5b8258f3 [ 75.617918] RDX: 000000000000000b RSI: 00007f3f5b718000 RDI: 0000000000000001 [ 75.625866] RBP: 00007f3f5b718000 R08: 00007f3f5b717010 R09: 0000000000000000 [ 75.633819] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 75.641770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 05 e0 f0 93 02 # [ 74.595295] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 74.601118] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 74.609074] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 74.617030] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 74.624985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 74.632939] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 74.640893] FS: 00007fe77d6f9580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 # [ 74.649912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.656315] CR2: ffffffff95e1e560 CR3: 0000000103b98000 CR4: 00000000003506e0 # [ 74.664267] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 74.674148] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1632, name: cat # [ 74.682580] INFO: lockdep is turned off. # [ 74.686950] irq event stamp: 0 # [ 74.690355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.697342] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 74.706456] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 74.715565] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.722549] CPU: 1 PID: 1632 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 74.731175] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.737772] Call Trace: # [ 74.740505] dump_stack+0x77/0x9b # [ 74.744207] ___might_sleep.cold+0xa6/0xb6 # [ 74.748777] exit_signals+0x1c/0x2e0 # [ 74.752763] do_exit+0xd5/0xb00 # [ 74.756264] ? ksys_write+0x68/0xf0 # [ 74.760158] rewind_stack_do_exit+0x17/0x20 # [ 74.764824] RIP: 0033:0x7fe77d60f8f3 # [ 74.768810] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.789729] RSP: 002b:00007ffe05bd73b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.798170] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe77d60f8f3 # [ 74.806123] RDX: 000000000000000a RSI: 00007fe77d502000 RDI: 0000000000000001 # [ 74.814077] RBP: 00007fe77d502000 R08: 00007fe77d501010 R09: 0000000000000000 # [ 74.822030] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.829986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 75.124817] lkdtm: Performing direct entry EXEC_STACK # [ 75.135802] lkdtm: attempting ok execution at ffffffff934df800 # [ 75.148539] lkdtm: attempting bad execution at ffffa61502097e18 # [ 75.161380] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 75.175840] BUG: unable to handle page fault for address: ffffa61502097e18 # [ 75.183503] #PF: supervisor instruction fetch in kernel mode # [ 75.189807] #PF: error_code(0x0011) - permissions violation # [ 75.196015] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104d0c067 PTE 8000000104e52063 # [ 75.205055] Oops: 0011 [#6] SMP PTI # [ 75.208944] CPU: 3 PID: 1668 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 75.217581] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.224185][ 75.988354] lkdtm: Performing direct entry EXEC_KMALLOC RIP: 0010:0xffffa61502097e18 # [ 75.228560] Code: 00 00 18 7[ 75.996450] lkdtm: attempting ok execution at ffffffff934df800 e 09 02 15 a6 ff ff 02 d6 b6 93 ff ff ff ff 20 00 00 00 00 00 00[ 76.009173] lkdtm: attempting bad execution at ffff8c5bc4e45f40 00 ce be 58 94 ff ff ff ff 2e d7 b6 93 ff ff ff ff <0f> 1f 44 0[ 76.022097] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.036498] BUG: unable to handle page fault for address: ffff8c5bc4e45f40 [ 76.044158] #PF: supervisor instruction fetch in kernel mode [ 76.050460] #PF: error_code(0x0011) - permissions violation [ 76.056668] PGD 130a01067 P4D 130a01067 PUD 100216063 PMD 104ec0063 PTE 8000000104e45063 [ 76.065703] Oops: 0011 [#7] SMP PTI [ 76.069593] CPU: 3 PID: 1704 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 76.078218] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.084816] RIP: 0010:0xffff8c5bc4e45f40 [ 76.089187] Code: 00 00 02 00 00 00 00 00 00 00 c0 5d e4 c4 5b 8c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 d0 92 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 76.110105] RSP: 0018:ffffa6150211fe38 EFLAGS: 00010246 [ 76.115926] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.123872] RDX: 0000000000000000 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 [ 76.131817] RBP: ffff8c5bc4e45f40 R08: 0000000000000000 R09: 0000000000000000 [ 76.139767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.147717] R13: ffffa6150211ff10 R14: ffffa6150211ff10 R15: ffff8c5bc4ce4000 [ 76.155667] FS: 00007f55782e7580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 [ 76.164684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.171084] CR2: ffff8c5bc4e45f40 CR3: 0000000102878000 CR4: 00000000003506e0 [ 76.179038] Call Trace: [ 76.181774] ? execute_location+0x48/0x56 [ 76.186247] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 76.190911] ? direct_entry.cold+0x2c/0x38 [ 76.195473] ? full_proxy_write+0x56/0x80 [ 76.199942] ? vfs_write+0xea/0x3a0 [ 76.203830] ? ksys_write+0x68/0xf0 [ 76.207720] ? do_syscall_64+0x33/0x40 [ 76.211898] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.217728] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.233646] CR2: ffff8c5bc4e45f40 [ 76.237341] ---[ end trace 920d3aac23767128 ]--- [ 76.242486] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.246857] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 76.267773] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 76.273598] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.281551] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 76.289504] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 76.297451] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.305403] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 76.313360] FS: 00007f55782e7580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 [ 76.322381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.328782] CR2: ffff8c5bc4e45f40 CR3: 0000000102878000 CR4: 00000000003506e0 0 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 75.249485] RSP: 0018:ffffa61502097df8 EFLAGS: 00010246 # [ 75.255306] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.263262] RDX: 0000000000000000 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 # [ 75.271216] RBP: ffffa61502097e18 R08: 0000000000000000 R09: 0000000000000000 # [ 75.279175] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 75.287129] R13: ffffa61502097f10 R14: ffffa61502097f10 R15: ffff8c5bc328a000 # [ 75.295088] FS: 00007f3f5b90f580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 75.304111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.310522] CR2: ffffa61502097e18 CR3: 0000000104db2000 CR4: 00000000003506e0 # [ 75.318483] Call Trace: # [ 75.321220] ? execute_location+0x48/0x56 # [ 75.325693] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 75.330154] ? direct_entry.cold+0x2c/0x38 # [ 75.334725] ? full_proxy_write+0x56/0x80 # [ 75.339197] ? vfs_write+0xea/0x3a0 # [ 75.343087] ? ksys_write+0x68/0xf0 # [ 75.346976] ? do_syscall_64+0x33/0x40 # [ 75.351160] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.356995] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.372924] CR2: ffffa61502097e18 # [ 75.376620] ---[ end trace 920d3aac23767127 ]--- # [ 75.381772] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 75.386143] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 75.407074] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 75.412900] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 75.420851] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 75.428802] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 75.436753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 75.444707] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 75.452661] FS: 00007f3f5b90f580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 75.461679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.468084] CR2: ffffa61502097e18 CR3: 0000000104db2000 CR4: 00000000003506e0 # [ 75.476039] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 75.485931] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1668, name: cat # [ 75.494367] INFO: lockdep is turned off. # [ 75.498734] irq event stamp: 0 # [ 75.502135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.509130] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 75.518248] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 75.527363] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.534349] CPU: 3 PID: 1668 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 75.542980] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.549573] Call Trace: #[ 76.652334] lkdtm: Performing direct entry EXEC_VMALLOC [ 76.658683] lkdtm: attempting ok execution at ffffffff934df800 [ 76.665232] lkdtm: attempting bad execution at ffffa61500651000 [ 75.552303] dump_stack+0x77/0x9b # [ 75.556000] ___migh[ 76.671866] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 76.686372] BUG: unable to handle page fault for address: ffffa61500651000 [ 76.694031] #PF: supervisor instruction fetch in kernel mode [ 76.700334] #PF: error_code(0x0011) - permissions violation t_sleep.cold+0xa6/0xb6 # [ 75.560568] exit_signals+0x1c/0x2e[ 76.706539] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1054ec067 PTE 80000001040a7063 [ 76.721761] Oops: 0011 [#8] SMP PTI [ 76.725654] CPU: 2 PID: 1740 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 76.734282] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 76.740885] RIP: 0010:0xffffa61500651000 [ 76.745258] Code: Unable to access opcode bytes at RIP 0xffffa61500650fd6. [ 76.752911] RSP: 0018:ffffa6150215fe38 EFLAGS: 00010246 [ 76.758735] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.766683] RDX: 0000000000000000 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 [ 76.774634] RBP: ffffa61500651000 R08: 0000000000000000 R09: 0000000000000000 [ 76.782582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 76.790535] R13: ffffa6150215ff10 R14: ffffa6150215ff10 R15: ffff8c5bc40a7000 [ 76.798488] FS: 00007fe1f978c580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 76.807510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.813913] CR2: ffffa61500650fd6 CR3: 0000000103bf2000 CR4: 00000000003506e0 [ 76.821868] Call Trace: [ 76.824608] ? execute_location+0x48/0x56 [ 76.829083] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 76.833749] ? direct_entry.cold+0x2c/0x38 [ 76.838318] ? full_proxy_write+0x56/0x80 [ 76.842792] ? vfs_write+0xea/0x3a0 [ 76.846682] ? ksys_write+0x68/0xf0 [ 76.850574] ? do_syscall_64+0x33/0x40 [ 76.854756] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 76.860582] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 76.876510] CR2: ffffa61500651000 [ 76.880206] ---[ end trace 920d3aac23767129 ]--- [ 76.885344] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 76.889713] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 76.910644] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 76.916473] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 76.924427] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 76.932377] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 76.940332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 76.948287] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 76.956239] FS: 00007fe1f978c580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 76.965254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.971659] CR2: ffffa61500650fd6 CR3: 0000000103bf2000 CR4: 00000000003506e0 [ 76.979612] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 76.989504] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1740, name: cat [ 76.997938] INFO: lockdep is turned off. [ 77.002306] irq event stamp: 0 [ 77.005708] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 77.012698] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 77.021818] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 77.030936] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.037926] CPU: 2 PID: 1740 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 77.046556] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.053152] Call Trace: [ 77.055883] dump_stack+0x77/0x9b [ 77.059581] ___might_sleep.cold+0xa6/0xb6 [ 77.064151] exit_signals+0x1c/0x2e0 [ 77.068138] do_exit+0xd5/0xb00 [ 77.071638] ? ksys_write+0x68/0xf0 [ 77.075530] rewind_stack_do_exit+0x17/0x20 [ 77.080191] RIP: 0033:0x7fe1f96a28f3 [ 77.084177] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 77.105106] RSP: 002b:00007fff5116e788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.113547] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fe1f96a28f3 [ 77.121503] RDX: 000000000000000d RSI: 00007fe1f9595000 RDI: 0000000000000001 [ 77.129454] RBP: 00007fe1f9595000 R08: 00007fe1f9594010 R09: 0000000000000000 [ 77.137405] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 77.145359] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 75.564553] do_exit+0xd5/0xb00 # [ 75.568057] ? ksys_write+0x68/0xf0 # [ 75.571948] rewind_stack_do_exit+0x17/0x20 # [ 75.576612] RIP: 0033:0x7f3f5b8258f3 # [ 75.580597] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.601528] RSP: 002b:00007ffc84c8b6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.609968] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3f5b8258f3 # [ 75.617918] RDX: 000000000000000b RSI: 00007f3f5b718000 RDI: 0000000000000001 # [ 75.625866] RBP: 00007f3f5b718000 R08: 00007f3f5b717010 R09: 0000000000000000 # [ 75.633819] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.641770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 75.988354] lkdtm: Performing direct entry EXEC_KMALLOC # [ 75.996450] lkdtm: attempting ok execution at ffffffff934df800 # [ 76.009173] lkdtm: attempting bad execution at ffff8c5bc4e45f40 # [ 76.022097] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.036498] BUG: unable to handle page fault for address: ffff8c5bc4e45f40 # [ 76.044158] #PF: supervisor instruction fetch in kernel mode # [ 76.050460] #PF: error_code(0x0011) - permissions violation # [ 76.056668] PGD 130a01067 P4D 130a01067 PUD 100216063 PMD 104ec0063 PTE 8000000104e45063 # [ 76.065703] Oops: 0011 [#7] SMP PTI # [ 76.069593] CPU: 3 PID: 1704 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 76.078218] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.084816] RIP: 0010:0xffff8c5bc4e45f40 # [ 76.089187] Code: 00 00 02 00 00 00 00 00 00 00 c0 5d e4 c4 5b 8c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 d0 92 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 76.110105] RSP: 0018:ffffa6150211fe38 EFLAGS: 00010246 # [ 76.115926] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.123872] RDX: 0000000000000000 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 # [ 76.131817] RBP: ffff8c5bc4e45f40 R08: 0000000000000000 R09: 0000000000000000 # [ 76.139767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.147717] R13: ffffa6150211ff10 R14: ffffa6150211ff10 R15: ffff8c5bc4ce4000 # [ 76.155667] FS: 00007f55782e7580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 76.164684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.171084] CR2: ffff8c5bc4e45f40 CR3: 0000000102878000 CR4: 00000000003506e0 # [ 76.179038] Call Trace: # [ 76.181774] ? execute_location+0x48/0x56 # [ 76.186247] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 76.190911] ? direct_entry.cold+0x2c/0x38 # [ 76.1[ 77.444448] lkdtm: Performing direct entry EXEC_RODATA 95473] ? full_proxy_write+0x56/0x80 # [ 76.199942] ? vfs_wr[ 77.450539] lkdtm: attempting ok execution at ffffffff934df800 ite+0xea/0x3a0 # [ 76.203830] ? ksys_write+0x68/0xf0 # [ [ 77.463281] lkdtm: attempting bad execution at ffffffff9419c200 76.207720] ? do_syscall_64+0x33/0x40 # [ 76.211898] ? entry[ 77.476124] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 77.490643] BUG: unable to handle page fault for address: ffffffff9419c200 [ 77.498309] #PF: supervisor instruction fetch in kernel mode [ 77.504614] #PF: error_code(0x0011) - permissions violation _SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.217728] Modules li[ 77.510827] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 800000012ea001e1 [ 77.524803] Oops: 0011 [#9] SMP PTI nked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_[ 77.528697] CPU: 1 PID: 1776 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 77.543520] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 77.550132] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 77.555866] Code: ff ff 9e eb b6 93 ff ff ff ff 1a c1 58 94 ff ff ff ff e4 d2 b6 93 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 [ 77.576799] RSP: 0018:ffffa615021ffe48 EFLAGS: 00010246 [ 77.582626] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.590579] RDX: 0000000000000000 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 [ 77.598528] RBP: ffffffff9419c200 R08: 0000000000000000 R09: 0000000000000000 [ 77.606483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 77.614439] R13: ffffa615021fff10 R14: ffffa615021fff10 R15: ffff8c5bc5461000 [ 77.622393] FS: 00007f2094f0f580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 [ 77.631415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.637817] CR2: ffffffff9419c200 CR3: 00000001034dc000 CR4: 00000000003506e0 [ 77.645772] Call Trace: [ 77.648507] ? execute_location+0x48/0x56 [ 77.652972] ? direct_entry.cold+0x2c/0x38 [ 77.657543] ? full_proxy_write+0x56/0x80 [ 77.662016] ? vfs_write+0xea/0x3a0 [ 77.665905] ? ksys_write+0x68/0xf0 [ 77.669796] ? do_syscall_64+0x33/0x40 [ 77.673977] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usb[ 77.679810] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 77.701947] CR2: ffffffff9419c200 [ 77.705647] ---[ end trace 920d3aac2376712a ]--- [ 77.710798] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 77.715174] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 77.736112] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 77.741941] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 77.749895] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 77.757848] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 77.765803] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 77.773761] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 77.781717] FS: 00007f2094f0f580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 [ 77.790741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.797147] CR2: ffffffff9419c200 CR3: 00000001034dc000 CR4: 00000000003506e0 pd_notify # [ 76.233646] CR2: ffff8c5bc4e45f40 # [ 76.237341] ---[ end trace 920d3aac23767128 ]--- # [ 76.242486] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.246857] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 76.267773] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 76.273598] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.281551] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 76.289504] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 76.297451] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.305403] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 76.313360] FS: 00007f55782e7580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 76.322381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.328782] CR2: ffff8c5bc4e45f40 CR3: 0000000102878000 CR4: 00000000003506e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 76.652334] lkdtm: Performing direct entry EXEC_VMALLOC # [ 76.658683] lkdtm: attempting ok execution at ffffffff934df800 # [ 76.665232] lkdtm: attempting bad execution at ffffa61500651000 # [ 76.671866] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 76.686372] BUG: unable to handle page fault for address: ffffa61500651000 # [ 76.694031] #PF: supervisor instruction fetch in kernel mode # [ 76.700334] #PF: error_code(0x0011) - permissions violation # [ 76.706539] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1054ec067 PTE 80000001040a7063 # [ 76.721761] Oops: 0011 [#8] SMP PTI # [ 76.725654] CPU: 2 PID: 1740 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 76.734282] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.740885] RIP: 0010:0xffffa61500651000 # [ 76.745258] Code: Unable to access opcode bytes at RIP 0xffffa61500650fd6. # [ 76.752911] RSP: 0018:ffffa6150215fe38 EFLAGS: 00010246 # [ 76.758735] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.766683] RDX: 0000000000000000 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 # [ 76.774634] RBP: ffffa61500651000 R08: 0000000000000000 R09: 0000000000000000 # [ 76.782582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 76.790535] R13: ffffa6150215ff10 R14: ffffa6150215ff10 R15: ffff8c5bc40a7000 # [ 76.798488] FS: 00007fe1f978c580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 76.807510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.813913[ 78.075790] lkdtm: Performing direct entry EXEC_USERSPACE [ 78.084017] lkdtm: attempting ok execution at ffffffff934df800 ] CR2: ffffa61500650fd6 CR3: 0000000103bf2000 CR4: 0000000000350[ 78.090597] lkdtm: attempting bad execution at 00007f9d28da1000 6e0 # [ 76.821868] Call Trace: # [ 76.824608] ? execute_l[ 78.103463] unable to execute userspace code (SMEP?) (uid: 0) [ 78.116015] BUG: unable to handle page fault for address: 00007f9d28da1000 [ 78.123680] #PF: supervisor instruction fetch in kernel mode ocation+0x48/0x56 # [ 76.829083] ? lkdtm_EXEC_VMALLOC+0x20/0[ 78.129986] #PF: error_code(0x0011) - permissions violation x30 # [ 76.833749] ? direct_entry.cold+0x2c/0x38 # [ 76.8[ 78.142395] PGD 8000000104fe4067 P4D 8000000104fe4067 PUD 103f6d067 PMD 104c3b067 PTE 10b07d067 [ 78.158306] Oops: 0011 [#10] SMP PTI [ 78.162293] CPU: 0 PID: 1812 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 78.170922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.177526] RIP: 0010:0x7f9d28da1000 [ 78.181507] Code: Unable to access opcode bytes at RIP 0x7f9d28da0fd6. [ 78.188782] RSP: 0018:ffffa6150228fe50 EFLAGS: 00010246 [ 78.194599] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 78.202552] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 [ 78.210501] RBP: 00007f9d28da1000 R08: 0000000000000000 R09: 0000000000000000 [ 78.218453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 78.226400] R13: ffffa6150228ff10 R14: ffffa6150228ff10 R15: ffff8c5bc5461000 [ 78.234350] FS: 00007f9d28d72580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 78.243365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.249764] CR2: 00007f9d28da1000 CR3: 0000000104f92000 CR4: 00000000003506f0 [ 78.257711] Call Trace: [ 78.260446] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 78.265786] ? direct_entry.cold+0x2c/0x38 [ 78.270355] ? full_proxy_write+0x56/0x80 [ 78.274825] ? vfs_write+0xea/0x3a0 [ 78.278715] ? ksys_write+0x68/0xf0 [ 78.282604] ? do_syscall_64+0x33/0x40 [ 78.286784] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.292615] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 78.308533] CR2: 00007f9d28da1000 [ 78.312229] ---[ end trace 920d3aac2376712b ]--- [ 78.317376] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 78.321746] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 78.342667] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 78.348495] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 78.356444] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 78.364391] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 78.372339] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 78.380287] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 78.388237] FS: 00007f9d28d72580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 78.397248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.403648] CR2: 00007f9d28da1000 CR3: 0000000104f92000 CR4: 00000000003506f0 [ 78.411604] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 78.421491] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1812, name: cat [ 78.429929] INFO: lockdep is turned off. [ 78.434300] irq event stamp: 0 [ 78.437702] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 78.444693] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 78.453809] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 78.462921] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.469905] CPU: 0 PID: 1812 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 78.478520] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.485110] Call Trace: [ 78.487838] dump_stack+0x77/0x9b [ 78.491534] ___might_sleep.cold+0xa6/0xb6 [ 78.496104] exit_signals+0x1c/0x2e0 [ 78.500089] do_exit+0xd5/0xb00 [ 78.503588] ? ksys_write+0x68/0xf0 [ 78.507479] rewind_stack_do_exit+0x17/0x20 [ 78.512137] RIP: 0033:0x7f9d28c888f3 [ 78.516123] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.537044] RSP: 002b:00007fffd5f0c2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.545480] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f9d28c888f3 [ 78.553427] RDX: 000000000000000f RSI: 00007f9d28b7b000 RDI: 0000000000000001 [ 78.561377] RBP: 00007f9d28b7b000 R08: 00007f9d28b7a010 R09: 0000000000000000 [ 78.569329] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.577276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 38318] ? full_proxy_write+0x56/0x80 # [ 76.842792] ? vfs_write+0xea/0x3a0 # [ 76.846682] ? ksys_write+0x68/0xf0 # [ 76.850574] ? do_syscall_64+0x33/0x40 # [ 76.854756] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.860582] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.876510] CR2: ffffa61500651000 # [ 76.880206] ---[ end trace 920d3aac23767129 ]--- # [ 76.885344] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 76.889713] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 76.910644] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 76.916473] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 76.924427] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 76.932377] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 76.940332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 76.948287] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 76.956239] FS: 00007fe1f978c580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 76.965254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.971659] CR2: ffffa61500650fd6 CR3: 0000000103bf2000 CR4: 00000000003506e0 # [ 76.979612] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 76.989504] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1740, name: cat # [ 76.997938] INFO: lockdep is turned off. # [ 77.002306] irq event stamp: 0 # [ 77.005708] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.012698] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 77.021818] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 77.030936] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.037926] CPU: 2 PID: 1740 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 77.046556] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.053152] Call Trace: # [ 77.055883] dump_stack+0x77/0x9b # [ 77.059581] ___might_sleep.cold+0xa6/0xb6 # [ 77.064151] exit_signals+0x1c/0x2e0 # [ 77.068138] do_exit+0xd5/0xb00 # [ 77.071638] ? ksys_write+0x68/0xf0 # [ 77.075530] rewind_stack_do_exit+0x17/0x20 # [ 77.080191] RIP: 0033:0x7fe1f96a28f3 # [ 77.084177] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.105106] RSP: 002b:00007fff5116e788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.113547] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fe1f96a28f3 # [ 77.121503] RDX: 000000000000000d RSI: 00007fe1f9595000 RDI: 0000000000000001 # [ 77.129454] RBP: 00007fe1f9595000 R08: 00007fe1f9594010 R09[ 78.886023] lkdtm: Performing direct entry EXEC_NULL [ 78.894682] lkdtm: attempting ok execution at ffffffff934df800 [ 78.901206] lkdtm: attempting bad execution at 0000000000000000 : 0000000000000000 # [ 77.137405] R10: fffffffffffffbc5 R11: [ 78.907843] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 78.921751] #PF: supervisor instruction fetch in kernel mode 0000000000000246 R12: 0000000000000001 # [ 77.145359] R13: 00[ 78.928055] #PF: error_code(0x0010) - not-present page 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # EX[ 78.939964] PGD 0 P4D 0 [ 78.948982] Oops: 0010 [#11] SMP PTI EC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_[ 78.952970] CPU: 0 PID: 1848 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 78.967783] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 78.974387] RIP: 0010:0x0 [ 78.977313] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 78.984977] RSP: 0018:ffffa615022ffe48 EFLAGS: 00010246 [ 78.990801] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.998752] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 [ 79.006706] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 79.014656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 79.022606] R13: ffffa615022fff10 R14: ffffa615022fff10 R15: ffff8c5bc5c52000 [ 79.030558] FS: 00007fcfef754580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 79.039571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.045971] CR2: ffffffffffffffd6 CR3: 0000000102768000 CR4: 00000000003506f0 [ 79.053921] Call Trace: [ 79.056656] execute_location+0x48/0x56 [ 79.060937] direct_entry.cold+0x2c/0x38 [ 79.065311] full_proxy_write+0x56/0x80 [ 79.069589] vfs_write+0xea/0x3a0 [ 79.073283] ksys_write+0x68/0xf0 [ 79.076970] do_syscall_64+0x33/0x40 VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ [ 79.080958] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.092767] RIP: 0033:0x7fcfef66a8f3 [ 79.096752] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.117669] RSP: 002b:00007ffcb87f18d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.126109] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcfef66a8f3 [ 79.134059] RDX: 000000000000000a RSI: 00007fcfef55d000 RDI: 0000000000000001 [ 79.142013] RBP: 00007fcfef55d000 R08: 00007fcfef55c010 R09: 0000000000000000 [ 79.149965] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 79.157917] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.165878] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.181806] CR2: 0000000000000000 [ 79.185493] ---[ end trace 920d3aac2376712c ]--- [ 79.190642] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.195014] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 79.215945] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 79.221770] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.229720] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 79.237672] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 79.245624] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.253574] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 79.261523] FS: 00007fcfef754580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 79.270536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.276939] CR2: ffffffffffffffd6 CR3: 0000000102768000 CR4: 00000000003506f0 77.444448] lkdtm: Performing direct entry EXEC_RODATA # [ 77.450539] lkdtm: attempting ok execution at ffffffff934df800 # [ 77.463281] lkdtm: attempting bad execution at ffffffff9419c200 # [ 77.476124] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 77.490643] BUG: unable to handle page fault for address: ffffffff9419c200 # [ 77.498309] #PF: supervisor instruction fetch in kernel mode # [ 77.504614] #PF: error_code(0x0011) - permissions violation # [ 77.510827] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 800000012ea001e1 # [ 77.524803] Oops: 0011 [#9] SMP PTI # [ 77.528697] CPU: 1 PID: 1776 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 77.543520] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.550132] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 77.555866] Code: ff ff 9e eb b6 93 ff ff ff ff 1a c1 58 94 ff ff ff ff e4 d2 b6 93 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 # [ 77.576799] RSP: 0018:ffffa615021ffe48 EFLAGS: 00010246 # [ 77.582626] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 77.590579] RDX: 0000000000000000 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 # [ 77.598528] RBP: ffffffff9419c200 R08: 0000000000000000 R09: 0000000000000000 # [ 77.606483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 77.614439] R13: ffffa615021fff10 R14: ffffa615021fff10 R15: ffff8c5bc5461000 # [ 77.622393] FS: 00007f2094f0f580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 # [ 77.631415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.637817] CR2: ffffffff9419c200 CR3: 00000001034dc000 CR4: 00000000003506e0 # [ 77.645772] Call Trace: # [ 77.648507] ? execute_location+0x48/0x56 # [ 77.652972] ? direct_entry.cold+0x2c/0x38 # [ 77.657543] ? full_proxy_write+0x56/0x80 # [ 77.662016] ? vfs_write+0xea/0x3a0 # [ 77.665905] ? ksys_write+0x68/0xf0 # [ 77.669796] ? do_syscall_64+0x33/0x40 # [ 77.673977] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 77.679810] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 77.701947] CR2: ffffffff9419c200 # [ 77.705647] ---[ end trace 920d3aac2376712a ]--- # [ 77.710798] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 77.715174] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 77.736112] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 77.741941] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 77.749895] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 77.757848] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 77.7658[ 79.573381] lkdtm: Performing direct entry ACCESS_USERSPACE [ 79.582583] lkdtm: attempting bad read at 00007f313e22f000 [ 79.588759] BUG: unable to handle page fault for address: 00007f313e22f000 [ 79.596425] #PF: supervisor read access in kernel mode [ 79.602152] #PF: error_code(0x0001) - permissions violation [ 79.608361] PGD 8000000103cdd067 P4D 8000000103cdd067 PUD 104dde067 PMD 105461067 PTE 10cdd2067 [ 79.618074] Oops: 0001 [#12] SMP PTI 03] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 79.622052] CPU: 2 PID: 1883 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 79.636880] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 79.643485] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 79.649697] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 38 ce 58 94 e8 64 99 fd ff 48 c7 c7 60 ce 58 94 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 88 ce 58 [ 79.670624] RSP: 0018:ffffa6150236fe48 EFLAGS: 00010246 [ 79.676444] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 79.684392] RDX: 0000000000000000 RSI: ffff8c5c3bd1bf70 RDI: ffffffff9458ce60 [ 79.692346] RBP: 00007f313e22f000 R08: 0000000000000000 R09: 0000000000000000 [ 79.700299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 79.708251] R13: ffffa6150236ff10 R14: ffffa6150236ff10 R15: ffff8c5bc27b5000 [ 79.716208] FS: 00007f313e200580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 79.725229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.731631] CR2: 00007f313e22f000 CR3: 000000010540c000 CR4: 00000000003506e0 [ 79.739583] Call Trace: [ 79.742320] direct_entry.cold+0x2c/0x38 [ 79.746695] full_proxy_write+0x56/0x80 [ 79.750974] vfs_write+0xea/0x3a0 [ 79.754673] ksys_write+0x68/0xf0 [ 79.758363] do_syscall_64+0x33/0x40 [ 79.762352] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 79.767989] RIP: 0033:0x7f313e1168f3 [ 79.771979] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 79.792912] RSP: 002b:00007ffc276235b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.801342] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f313e1168f3 [ 79.809291] RDX: 0000000000000011 RSI: 00007f313e009000 RDI: 0000000000000001 [ 79.817241] RBP: 00007f313e009000 R08: 00007f313e008010 R09: 0000000000000000 [ 79.825188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 79.833134] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 79.841094] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 79.857016] CR2: 00007f313e22f000 [ 79.860712] ---[ end trace 920d3aac2376712d ]--- [ 79.865862] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 79.870230] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 79.891161] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 79.896981] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 79.904928] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 79.912877] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 79.920828] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 79.928780] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 79.936734] FS: 00007f313e200580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 79.945754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.952154] CR2: 00007f313e22f000 CR3: 000000010540c000 CR4: 00000000003506e0 [ 79.960110] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 79.969986] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1883, name: cat [ 79.978423] INFO: lockdep is turned off. [ 79.982791] irq event stamp: 0 [ 79.986191] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 79.993178] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 80.002291] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 80.011405] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 80.018391] CPU: 2 PID: 1883 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 80.027023] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.033619] Call Trace: [ 80.036347] dump_stack+0x77/0x9b [ 80.040044] ___might_sleep.cold+0xa6/0xb6 [ 80.044612] exit_signals+0x1c/0x2e0 [ 80.048597] do_exit+0xd5/0xb00 [ 80.052101] ? ksys_write+0x68/0xf0 [ 80.055992] rewind_stack_do_exit+0x17/0x20 [ 80.060656] RIP: 0033:0x7f313e1168f3 [ 80.064642] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.085572] RSP: 002b:00007ffc276235b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.094002] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f313e1168f3 [ 80.101953] RDX: 0000000000000011 RSI: 00007f313e009000 RDI: 0000000000000001 [ 80.109900] RBP: 00007f313e009000 R08: 00007f313e008010 R09: 0000000000000000 [ 80.117848] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.125799] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00004 # [ 77.773761] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 77.781717] FS: 00007f2094f0f580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 # [ 77.790741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.797147] CR2: ffffffff9419c200 CR3: 00000001034dc000 CR4: 00000000003506e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 78.075790] lkdtm: Performing direct entry EXEC_USERSPACE # [ 78.084017] lkdtm: attempting ok execution at ffffffff934df800 # [ 78.090597] lkdtm: attempting bad execution at 00007f9d28da1000 # [ 78.103463] unable to execute userspace code (SMEP?) (uid: 0) # [ 78.116015] BUG: unable to handle page fault for address: 00007f9d28da1000 # [ 78.123680] #PF: supervisor instruction fetch in kernel mode # [ 78.129986] #PF: error_code(0x0011) - permissions violation # [ 78.142395] PGD 8000000104fe4067 P4D 8000000104fe4067 PUD 103f6d067 PMD 104c3b067 PTE 10b07d067 # [ 78.158306] Oops: 0011 [#10] SMP PTI # [ 78.162293] CPU: 0 PID: 1812 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 78.170922] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.177526] RIP: 0010:0x7f9d28da1000 # [ 78.181507] Code: Unable to access opcode bytes at RIP 0x7f9d28da0fd6. # [ 78.188782] RSP: 0018:ffffa6150228fe50 EFLAGS: 00010246 # [ 78.194599] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 78.202552] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 # [ 78.210501] RBP: 00007f9d28da1000 R08: 0000000000000000 R09: 0000000000000000 # [ 78.218453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 78.226400] R13: ffffa6150228ff10 R14: ffffa6150228ff10 R15: ffff8c5bc5461000 # [ 78.234350] FS: 00007f9d28d72580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 # [ 78.243365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.249764] CR2: 00007f9d28da1000 CR3: 0000000104f92000 CR4: 00000000003506f0 # [ 78.257711] Call Trace: # [ 78.260446] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 78.265786] ? direct_entry.cold+0x2c/0x38 # [ 78.270355] ? full_proxy_write+0x56/0x80 # [ 78.274825] ? vfs_write+0xea/0x3a0 # [ 78.278715] ? ksys_write+0x68/0xf0 # [ 78.282604] ? do_syscall_64+0x33/0x40 # [ 78.286784] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.292615] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 78.308533] CR2: 00007f9d28da1000 # [ 78.312229] ---[ end trace 920d3aac2376712b ]--- # [ 78.317376] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 78.321746] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 78.342667] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 78.348495] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 78.356444] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 78.364391] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 78.372339] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 80.457335] lkdtm: Performing direct entry ACCESS_NULL 0000000004 # [ 78.380287] R13: ffffa615012cff10 R14: ffffa615[ 80.467950] lkdtm: attempting bad read at 0000000000000000 [ 80.480308] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.488074] #PF: supervisor read access in kernel mode 012cff10 R15: ffff8c5bc4d0c000 # [ 78.388237] FS: 00007f9d28[ 80.493798] #PF: error_code(0x0000) - not-present page d72580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 #[ 80.505717] PGD 0 P4D 0 [ 80.514745] Oops: 0000 [#13] SMP PTI [ 78.397248] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 80.518734] CPU: 2 PID: 1918 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 80.533559] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 80.540165] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 80.545410] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 f7 9c 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 ce 58 94 e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 ce 58 94 48 01 [ 80.566329] RSP: 0018:ffffa615023e7e58 EFLAGS: 00010246 [ 80.572156] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 80.580115] RDX: 0000000000000000 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 [ 80.588073] RBP: ffffffff9458bf29 R08: 0000000000000000 R09: 0000000000000000 [ 80.596029] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 80.603985] R13: ffffa615023e7f10 R14: ffffa615023e7f10 R15: ffff8c5bc3b7f000 [ 80.611941] FS: 00007f88b2f6e580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 3 # [ 78.403648] CR2: 00007f9d28da1000 CR3: 0000000104f92000 [ 80.620968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.633564] CR2: 0000000000000000 CR3: 0000000100e90000 CR4: 00000000003506e0 [ 80.641524] Call Trace: [ 80.644263] direct_entry.cold+0x2c/0x38 [ 80.648645] full_proxy_write+0x56/0x80 [ 80.652929] vfs_write+0xea/0x3a0 [ 80.656627] ksys_write+0x68/0xf0 [ 80.660325] do_syscall_64+0x33/0x40 [ 80.664310] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 80.669936] RIP: 0033:0x7f88b2e848f3 CR4: 00000000003506f0 # [ 78.411604] BUG: sleeping function c[ 80.673924] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 80.701044] RSP: 002b:00007ffc7aa92f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.709485] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f88b2e848f3 [ 80.717444] RDX: 000000000000000c RSI: 00007f88b2d77000 RDI: 0000000000000001 [ 80.725403] RBP: 00007f88b2d77000 R08: 00007f88b2d76010 R09: 0000000000000000 [ 80.733363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 80.741318] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 80.749282] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 80.765224] CR2: 0000000000000000 [ 80.768927] ---[ end trace 920d3aac2376712e ]--- [ 80.774083] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 80.778459] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 80.799421] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 80.805244] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.813202] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 80.821162] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 80.829124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 80.837086] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 80.845048] FS: 00007f88b2f6e580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 80.854077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.860489] CR2: 0000000000000000 CR3: 0000000100e90000 CR4: 00000000003506e0 alled from invalid context at include/linux/percpu-rwsem.h:49 # [ 78.421491] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1812, name: cat # [ 78.429929] INFO: lockdep is turned off. # [ 78.434300] irq event stamp: 0 # [ 78.437702] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.444693] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 78.453809] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 78.462921] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.469905] CPU: 0 PID: 1812 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 78.478520] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.485110] Call Trace: # [ 78.487838] dump_stack+0x77/0x9b # [ 78.491534] ___might_sleep.cold+0xa6/0xb6 # [ 78.496104] exit_signals+0x1c/0x2e0 # [ 78.500089] do_exit+0xd5/0xb00 # [ 78.503588] ? ksys_write+0x68/0xf0 # [ 78.507479] rewind_stack_do_exit+0x17/0x20 # [ 78.512137] RIP: 0033:0x7f9d28c888f3 # [ 78.516123] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.537044] RSP: 002b:00007fffd5f0c2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.545480] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f9d28c888f3 # [ 78.553427] RDX: 000000000000000f RSI: 00007f9d28b7b000 RDI: 0000000000000001 # [ 78.561377] RBP: 00007f9d28b7b000 R08: 00007f9d28b7a010 R09: 0000000000000000 # [ 78.569329] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.577276] 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 # [ 78.886023] lkdtm: Performing direct entry EXEC_NULL # [ 78.894682] lkdtm: attempting ok execution at ffffffff934df800 # [ 78.901206] lkdtm: attempting bad execution at 0000000000000000 # [ 78.907843] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 78.921751] #PF: supervisor instruction fetch in kernel mode # [ 78.928055] #PF: error_code(0x0010) - not-present page # [ 78.939964] PGD 0 P4D 0 # [ 78.948982] Oops: 0010 [#11] SMP PTI # [ 78.952970] CPU: 0 PID: 1848 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 78.967783] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.974387] RIP: 0010:0x0 # [ 78.977313] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 78.984977] RSP: 0018:ffffa615022ffe48 EFLAGS: 00010246 # [ 78.990801] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 78.998752] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 # [ 79.006706] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.014656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 81.164856] lkdtm: Performing direct entry WRITE_RO [ 81.171730] lkdtm: attempting bad rodata write at ffffffff9419c1f0 [ 81.178660] BUG: unable to handle page fault for address: ffffffff9419c1f0 [ 81.186326] #PF: supervisor write access in kernel mode [ 81.192147] #PF: error_code(0x0003) - permissions violation 000000a # [ 79.022606] R13: ffffa615022fff10 R14: ffffa615022[ 81.198359] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 800000012ea001e1 [ 81.212329] Oops: 0003 [#14] SMP PTI [ 81.216317] CPU: 0 PID: 1953 Comm: cat Tainted: G D W 5.10.153-cip19 #1 fff10 R15: ffff8c5bc5c52000 # [ 79.030558] FS: 00007fcfef754[ 81.224951] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.237755] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 81.242713] Code: 00 48 c7 c7 18 cd 58 94 48 c7 c6 f0 c1 19 94 e8 8c 9b fd ff 48 8b 05 c1 eb 62 00 ba 34 12 cd ab 48 c7 c7 48 cd 58 94 48 31 d0 <48> 89 05 ab eb 62 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da bc [ 81.263653] RSP: 0018:ffffa6150245fe60 EFLAGS: 00010202 [ 81.269481] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 81.277439] RDX: 00000000abcd1234 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9458cd48 [ 81.285397] RBP: ffffffff9458bf35 R08: 0000000000000000 R09: 0000000000000000 [ 81.293352] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 81.301302] R13: ffffa6150245ff10 R14: ffffa6150245ff10 R15: ffff8c5bc4021000 [ 81.309260] FS: 00007f47e4c5f580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 81.318283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.324688] CR2: ffffffff9419c1f0 CR3: 0000000103b0e000 CR4: 00000000003506f0 [ 81.332639] Call Trace: [ 81.335373] direct_entry.cold+0x2c/0x38 [ 81.339754] full_proxy_write+0x56/0x80 [ 81.344035] vfs_write+0xea/0x3a0 [ 81.347733] ksys_write+0x68/0xf0 [ 81.351429] do_syscall_64+0x33/0x40 [ 81.355417] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 81.361050] RIP: 0033:0x7f47e4b758f3 [ 81.365034] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.385967] RSP: 002b:00007ffc4664c668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.394407] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f47e4b758f3 [ 81.402361] RDX: 0000000000000009 RSI: 00007f47e4a68000 RDI: 0000000000000001 [ 81.410315] RBP: 00007f47e4a68000 R08: 00007f47e4a67010 R09: 0000000000000000 [ 81.418266] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.426218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 81.434185] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 81.450119] CR2: ffffffff9419c1f0 [ 81.453819] ---[ end trace 920d3aac2376712f ]--- [ 81.458969] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 81.463342] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 81.484276] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 81.490098] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.498050] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 81.506003] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 81.513962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 81.521917] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 81.529875] FS: 00007f47e4c5f580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 81.538887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.545290] CR2: ffffffff9419c1f0 CR3: 0000000103b0e000 CR4: 00000000003506f0 [ 81.553246] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 81.563141] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1953, name: cat [ 81.571581] INFO: lockdep is turned off. [ 81.575949] irq event stamp: 0 [ 81.579357] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 81.586349] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 81.595470] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 81.604585] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 81.611572] CPU: 0 PID: 1953 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 81.620207] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.626803] Call Trace: [ 81.629536] dump_stack+0x77/0x9b [ 81.633233] ___might_sleep.cold+0xa6/0xb6 [ 81.637801] exit_signals+0x1c/0x2e0 [ 81.641787] do_exit+0xd5/0xb00 [ 81.645282] ? ksys_write+0x68/0xf0 [ 81.649172] rewind_stack_do_exit+0x17/0x20 [ 81.653833] RIP: 0033:0x7f47e4b758f3 [ 81.657814] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 81.678742] RSP: 002b:00007ffc4664c668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.687183] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f47e4b758f3 [ 81.695140] RDX: 0000000000000009 RSI: 00007f47e4a68000 RDI: 0000000000000001 [ 81.703094] RBP: 00007f47e4a68000 R08: 00007f47e4a67010 R09: 0000000000000000 [ 81.711049] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 81.719008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 # [ 79.039571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.045971] CR2: ffffffffffffffd6 CR3: 0000000102768000 CR4: 00000000003506f0 # [ 79.053921] Call Trace: # [ 79.056656] execute_location+0x48/0x56 # [ 79.060937] direct_entry.cold+0x2c/0x38 # [ 79.065311] full_proxy_write+0x56/0x80 # [ 79.069589] vfs_write+0xea/0x3a0 # [ 79.073283] ksys_write+0x68/0xf0 # [ 79.076970] do_syscall_64+0x33/0x40 # [ 79.080958] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.092767] RIP: 0033:0x7fcfef66a8f3 # [ 79.096752] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.117669] RSP: 002b:00007ffcb87f18d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.126109] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcfef66a8f3 # [ 79.134059] RDX: 000000000000000a RSI: 00007fcfef55d000 RDI: 0000000000000001 # [ 79.142013] RBP: 00007fcfef55d000 R08: 00007fcfef55c010 R09: 0000000000000000 # [ 79.149965] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.157917] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.165878] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.181806] CR2: 0000000000000000 # [ 79.185493] ---[ end trace 920d3aac2376712c ]--- # [ 79.190642] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.195014] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 79.215945] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 79.221770] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.229720] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 79.237672] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 79.245624] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.253574] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 79.261523] FS: 00007fcfef754580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 # [ 79.270536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.276939] CR2: ffffffffffffffd6 CR3: 0000000102768000 CR4: 00000000003506f0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 79.573381] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 79.582583] lkdtm: attempting bad read at 00007f313e22f000 # [ 79.588759] BUG: unable to handle page fault for address: 00007f313e22f000 # [ 79.596425] #PF: supervisor read access in kernel mode # [ 79.602152] #PF: error_code(0x0001) - permissions violation # [ 79.608361] PGD 8000000103cdd067 P4D 8000000103cdd067 PUD 104dde067 PMD 105461067 PTE 10cdd2067 # [ 79.618074] Oops: 0001 [#12] SMP PTI # [ 79.622052] CPU: 2 PID: 1883 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 79.636880] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.643485] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 79.649697] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 38 ce 58 94 e8 64 99 fd ff 48 c7 c7 60 ce 58 94 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 88 ce 58 # [ 79.670624] RSP: 0018:ffffa6150236fe48 EFLAGS: 00010246 # [ 79.676444] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 00000[ 82.087686] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 82.099277] lkdtm: attempting bad ro_after_init write at ffffffff94609330 [ 82.106892] BUG: unable to handle page fault for address: ffffffff94609330 [ 82.114565] #PF: supervisor write access in kernel mode [ 82.120384] #PF: error_code(0x0003) - permissions violation [ 82.126596] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 104c72163 PTE 800000012f009061 [ 82.135640] Oops: 0003 [#15] SMP PTI [ 82.139620] CPU: 2 PID: 1988 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 82.148254] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.154865] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 82.160893] Code: cd 58 94 e9 3e 9b fd ff 48 c7 c7 a0 cd 58 94 e8 32 9b fd ff 48 8b 05 a7 bc a9 00 ba 34 12 cd ab 48 c7 c7 48 cd 58 94 48 31 d0 <48> 89 05 91 bc a9 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 82.181844] RSP: 0018:ffffa615022dfe60 EFLAGS: 00010202 [ 82.187679] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 82.195644] RDX: 00000000abcd1234 RSI: ffff8c5c3bd1bf70 RDI: ffffffff9458cd48 [ 82.203599] RBP: ffffffff9458bf3e R08: 0000000000000000 R09: 0000000000000000 [ 82.211557] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 82.219518] R13: ffffa615022dff10 R14: ffffa615022dff10 R15: ffff8c5bc4dde000 [ 82.227473] FS: 00007f00770a9580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 82.236496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.242901] CR2: ffffffff94609330 CR3: 0000000104f64000 CR4: 00000000003506e0 [ 82.250859] Call Trace: [ 82.253594] direct_entry.cold+0x2c/0x38 [ 82.257976] full_proxy_write+0x56/0x80 [ 82.262262] vfs_write+0xea/0x3a0 [ 82.265961] ksys_write+0x68/0xf0 [ 82.269661] do_syscall_64+0x33/0x40 [ 82.273648] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.279283] RIP: 0033:0x7f0076fbf8f3 [ 82.283269] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.304203] RSP: 002b:00007ffdb8dbcff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.312645] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f0076fbf8f3 [ 82.320599] RDX: 0000000000000014 RSI: 00007f0076eb2000 RDI: 0000000000000001 [ 82.328548] RBP: 00007f0076eb2000 R08: 00007f0076eb1010 R09: 0000000000000000 [ 82.336499] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 82.344449] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 82.352415] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 82.368346] CR2: ffffffff94609330 [ 82.372044] ---[ end trace 920d3aac23767130 ]--- [ 82.377190] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 82.381561] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 82.402486] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 82.408311] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.416264] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 82.424217] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 82.432171] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 82.440126] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 82.448084] FS: 00007f00770a9580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 82.457106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.463509] CR2: ffffffff94609330 CR3: 0000000104f64000 CR4: 00000000003506e0 00000000000 # [ 79.684392] RDX: 0000000000000000 RSI: ffff8c5c3bd1bf70 RDI: ffffffff9458ce60 # [ 79.692346] RBP: 00007f313e22f000 R08: 0000000000000000 R09: 0000000000000000 # [ 79.700299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 79.708251] R13: ffffa6150236ff10 R14: ffffa6150236ff10 R15: ffff8c5bc27b5000 # [ 79.716208] FS: 00007f313e200580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 79.725229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.731631] CR2: 00007f313e22f000 CR3: 000000010540c000 CR4: 00000000003506e0 # [ 79.739583] Call Trace: # [ 79.742320] direct_entry.cold+0x2c/0x38 # [ 79.746695] full_proxy_write+0x56/0x80 # [ 79.750974] vfs_write+0xea/0x3a0 # [ 79.754673] ksys_write+0x68/0xf0 # [ 79.758363] do_syscall_64+0x33/0x40 # [ 79.762352] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 79.767989] RIP: 0033:0x7f313e1168f3 # [ 79.771979] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.792912] RSP: 002b:00007ffc276235b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.801342] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f313e1168f3 # [ 79.809291] RDX: 0000000000000011 RSI: 00007f313e009000 RDI: 0000000000000001 # [ 79.817241] RBP: 00007f313e009000 R08: 00007f313e008010 R09: 0000000000000000 # [ 79.825188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.833134] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.841094] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 79.857016] CR2: 00007f313e22f000 # [ 79.860712] ---[ end trace 920d3aac2376712d ]--- # [ 79.865862] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 79.870230] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 79.891161] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 79.896981] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 79.904928] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 79.912877] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 79.920828] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 79.928780] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 79.936734] FS: 00007f313e200580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 79.945754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.952154] CR2: 00007f313e22f000 CR3: 000000010540c000 CR4: 00000000003506e0 # [ 79.960110] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 79.969986] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1883, name: cat # [ 79.978423] INFO: lockdep is turned off. # [ 79.982791] irq event stamp:[ 82.777952] lkdtm: Performing direct entry WRITE_KERN [ 82.787028] lkdtm: attempting bad 6872489 byte write at ffffffff93b6d5a9 [ 82.794550] BUG: unable to handle page fault for address: ffffffff93b6d5a9 [ 82.802221] #PF: supervisor write access in kernel mode [ 82.808043] #PF: error_code(0x0003) - permissions violation [ 82.814251] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 12e4001e1 [ 82.821339] Oops: 0003 [#16] SMP PTI [ 82.825325] CPU: 2 PID: 2023 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 82.833955] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 82.840561] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 82.845709] Code: 53 48 c7 c3 a9 d5 b6 93 49 89 dc 48 89 da 49 81 ec 00 f8 4d 93 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 00 f8 4d 93 a4 48 c7 c7 48 cd 58 94 e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 82.866647] RSP: 0018:ffffa615025afe50 EFLAGS: 00010246 [ 82.872466] RAX: 000000000000003c RBX: ffffffff93b6d5a9 RCX: 000000000068dda9 [ 82.880421] RDX: 0000000000000000 RSI: ffffffff934df800 RDI: ffffffff93b6d5a9 [ 82.888380] RBP: ffffffff9458bf52 R08: 0000000000000000 R09: 0000000000000000 [ 82.896335] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068dda9 [ 82.904289] R13: ffffa615025aff10 R14: ffffa615025aff10 R15: ffff8c5bc3b4a000 [ 82.912245] FS: 00007f31fc095580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 82.921260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.927663] CR2: ffffffff93b6d5a9 CR3: 0000000103066000 CR4: 00000000003506e0 [ 82.935612] Call Trace: [ 82.938346] direct_entry.cold+0x2c/0x38 [ 82.942715] full_proxy_write+0x56/0x80 [ 82.946994] vfs_write+0xea/0x3a0 [ 82.950692] ksys_write+0x68/0xf0 [ 82.954390] do_syscall_64+0x33/0x40 [ 82.958377] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 82.964011] RIP: 0033:0x7f31fbfab8f3 [ 82.967996] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 82.988934] RSP: 002b:00007ffda276cb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.997368] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f31fbfab8f3 [ 83.005322] RDX: 000000000000000b RSI: 00007f31fbe9e000 RDI: 0000000000000001 [ 83.013277] RBP: 00007f31fbe9e000 R08: 00007f31fbe9d010 R09: 0000000000000000 [ 83.021234] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.029184] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.037146] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.053067] CR2: ffffffff93b6d5a9 [ 83.056762] ---[ end trace 920d3aac23767131 ]--- [ 83.061912] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 83.066285] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 83.087220] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 [ 83.093049] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 [ 83.101006] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 [ 83.108963] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 [ 83.116924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 83.124881] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 [ 83.132840] FS: 00007f31fc095580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 83.141862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.148266] CR2: ffffffff93b6d5a9 CR3: 0000000103066000 CR4: 00000000003506e0 [ 83.156223] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 83.166106] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2023, name: cat [ 83.174545] INFO: lockdep is turned off. [ 83.178919] irq event stamp: 0 [ 83.182323] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 83.189311] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 83.198424] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 83.207542] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.214532] CPU: 2 PID: 2023 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 83.223168] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.229766] Call Trace: [ 83.232499] dump_stack+0x77/0x9b [ 83.236200] ___might_sleep.cold+0xa6/0xb6 [ 83.240770] exit_signals+0x1c/0x2e0 [ 83.244756] do_exit+0xd5/0xb00 [ 83.248260] ? ksys_write+0x68/0xf0 [ 83.252154] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 83.257597] rewind_stack_do_exit+0x17/0x20 [ 83.262261] RIP: 0033:0x7f31fbfab8f3 [ 83.266246] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.287183] RSP: 002b:00007ffda276cb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.295628] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f31fbfab8f3 [ 83.303584] RDX: 000000000000000b RSI: 00007f31fbe9e000 RDI: 0000000000000001 [ 83.311543] RBP: 00007f31fbe9e000 R08: 00007f31fbe9d010 R09: 0000000000000000 [ 83.319501] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.327459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 79.986191] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.993178] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 80.002291] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 80.011405] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 80.018391] CPU: 2 PID: 1883 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 80.027023] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.033619] Call Trace: # [ 80.036347] dump_stack+0x77/0x9b # [ 80.040044] ___might_sleep.cold+0xa6/0xb6 # [ 80.044612] exit_signals+0x1c/0x2e0 # [ 80.048597] do_exit+0xd5/0xb00 # [ 80.052101] ? ksys_write+0x68/0xf0 # [ 80.055992] rewind_stack_do_exit+0x17/0x20 # [ 80.060656] RIP: 0033:0x7f313e1168f3 # [ 80.064642] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 80.085572] RSP: 002b:00007ffc276235b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.094002] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f313e1168f3 # [ 80.101953] RDX: 0000000000000011 RSI: 00007f313e009000 RDI: 0000000000000001 # [ 80.109900] RBP: 00007f313e009000 R08: 00007f313e008010 R09: 0000000000000000 # [ 80.117848] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.125799] 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 # [ 80.457335] lkdtm: Performing direct entry ACCESS_NULL # [ 80.467950] lkdtm: attempting bad read at 0000000000000000 # [ 80.480308] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 80.488074] #PF: supervisor read access in kernel mode # [ 80.493798] #PF: error_code(0x0000) - not-present page # [ 80.505717] PGD 0 P4D 0 # [ 80.514745] Oops: 0000 [#13] SMP PTI # [ 80.518734] CPU: 2 PID: 1918 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 80.533559] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.540165] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 80.545410] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 f7 9c 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 ce 58 94 e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 ce 58 94 48 01 # [ 80.566329] RSP: 0018:ffffa615023e7e58 EFLAGS: 00010246 # [ 80.572156] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 80.580115] RDX: 0000000000000000 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 # [ 80.588073] RBP: ffffffff9458bf29 R08: 0000000000000000 R09: 0000000000000000 # [ 80.596029] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 80.603985] R13: ffffa615023e7f10 R14: ffffa615023e7f10 R15: ffff8c5bc3b7f000 # [ 80.611941] FS: 00007f88b2f6e580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 80.620968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.633564] CR2: 0000000000000000 CR3: 0000000100e90000 CR4: 00000000003506e0 # [ 80.641524] Call Trace: # [ 80.644263] direct_entry.cold+0x2c/0x38 # [ 80.648645] full_proxy_write+0x56/0x80 [ 83.663120] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 80.652929] vfs_write+0xea/0x3a0 # [ 80.656627] ksys_w[ 83.670794] lkdtm: attempting good refcount_inc() without overflow rite+0x68/0xf0 # [ 80.660325] do_syscall_64+0x33/0x40 # [ [ 83.683922] lkdtm: attempting bad refcount_inc() overflow 80.664310] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 80.[ 83.696145] ------------[ cut here ]------------ 669936] RIP: 0033:0x7f88b2e848f3 # [ 80.673924] Code: 8b 15 a[ 83.707493] refcount_t: saturated; leaking memory. 1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64[ 83.719099] WARNING: CPU: 1 PID: 2058 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0[ 83.734712] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 83.756832] CPU: 1 PID: 2058 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 83.765489] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 83.772114] RIP: 0010:refcount_warn_saturate+0x51/0x110 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 83.778000] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 52 94 c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 80.701044] RSP: 002b:00007ffc7aa92f98 EFLAGS: 00000246 ORIG_RA[ 83.805138] RSP: 0018:ffffa6150262fe48 EFLAGS: 00010286 [ 83.817171] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 83.825145] RDX: ffff8c5c3bcac660 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 [ 83.833119] RBP: ffffffff9458bf5d R08: 0000000000000000 R09: 0000000000000000 [ 83.841091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 83.849065] R13: ffffa6150262ff10 R14: ffffa6150262ff10 R15: ffff8c5bc31e6000 [ 83.857041] FS: 00007f090c8bf580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 [ 83.866077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.872500] CR2: 00007f090c6c8000 CR3: 0000000103cb6000 CR4: 00000000003506e0 [ 83.880479] Call Trace: [ 83.883235] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 83.888604] direct_entry.cold+0x2c/0x38 [ 83.893002] full_proxy_write+0x56/0x80 [ 83.897305] vfs_write+0xea/0x3a0 [ 83.901025] ksys_write+0x68/0xf0 [ 83.904747] do_syscall_64+0x33/0x40 [ 83.908762] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 83.914416] RIP: 0033:0x7f090c7d58f3 [ 83.918426] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 83.939388] RSP: 002b:00007fffe1c00e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.947854] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f090c7d58f3 [ 83.955833] RDX: 0000000000000016 RSI: 00007f090c6c8000 RDI: 0000000000000001 [ 83.963814] RBP: 00007f090c6c8000 R08: 00007f090c6c7010 R09: 0000000000000000 [ 83.971791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 83.979767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 83.987749] irq event stamp: 0 X: 0000000000000001 # [ 80.709485] RAX: ffffffffffffffda RBX:[ 83.991161] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 84.004355] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 84.013490] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 84.022633] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 84.029640] ---[ end trace 920d3aac23767132 ]--- [ 84.034812] lkdtm: Overflow detected: saturated 000000000000000c RCX: 00007f88b2e848f3 # [ 80.717444] RDX: 000000000000000c RSI: 00007f88b2d77000 RDI: 0000000000000001 # [ 80.725403] RBP: 00007f88b2d77000 R08: 00007f88b2d76010 R09: 0000000000000000 # [ 80.733363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.741318] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.749282] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 80.765224] CR2: 0000000000000000 # [ 80.768927] ---[ end trace 920d3aac2376712e ]--- # [ 80.774083] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 80.778459] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 80.799421] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 80.805244] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 80.813202] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 80.821162] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 80.829124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 80.837086] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 80.845048] FS: 00007f88b2f6e580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 80.854077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 80.860489] CR2: 0000000000000000 CR3: 0000000100e90000 CR4: 00000000003506e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 81.164856] lkdtm: Performing direct entry WRITE_RO # [ 81.171730] lkdtm: attempting bad rodata write at ffffffff9419c1f0 # [ 81.178660] BUG: unable to handle page fault for address: ffffffff9419c1f0 # [ 81.186326] #PF: supervisor write access in kernel mode # [ 81.192147] #PF: error_code(0x0003) - permissions violation # [ 81.198359] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 800000012ea001e1 # [ 81.212329] Oops: 0003 [#14] SMP PTI # [ 81.216317] CPU: 0 PID: 1953 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 81.224951] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.237755] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 81.242713] Code: 00 48 c7 c7 18 cd 58 94 48 c7 c6 f0 c1 19 94 e8 8c 9b fd ff 48 8b 05 c1 eb 62 00 ba 34 12 cd ab 48 c7 c7 48 cd 58 94 48 31 d0 <48> 89 05 ab eb 62 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da bc # [ 81.263653] RSP: 0018:ffffa6150245fe60 EFLAGS: 00010202 # [ 81.269481] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 81.277439] RDX: 00000000abcd1234 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9458cd48 # [ 81.285397] RBP: ffffffff9458bf35 R08: 0000000000000000 R09: 0000000000000000 # [ 81.293352] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 81.301302] R13: ff[ 84.332444] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW ffa6150245ff10 R14: ffffa6150245ff10 R15: ffff8c5bc4021000 # [ [ 84.344280] lkdtm: attempting good refcount_add() without overflow 81.309260] FS: 00007f47e4c5f580(0000) GS:ffff8c5c3bc00000(000[ 84.357425] lkdtm: attempting bad refcount_add() overflow 0) knlGS:0000000000000000 # [ 81.318283] CS: 0010 DS: 0000 E[ 84.369636] ------------[ cut here ]------------ S: 0000 CR0: 0000000080050033 # [ 81.324688] CR2: ffffffff941[ 84.380982] refcount_t: saturated; leaking memory. 9c1f0 CR3: 0000000103b0e000 CR4: 00000000003506f0 # [ 81.3326[ 84.392658] WARNING: CPU: 3 PID: 2090 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 39] Call Trace: # [ 81.335373] direct_entry.cold+0x2c/0x38 [ 84.408193] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 81.339754] full_proxy_write+0x56/0x80 # [ 81.344035] [ 84.430306] CPU: 3 PID: 2090 Comm: cat Tainted: G D W 5.10.153-cip19 #1 vfs_write+0xea/0x3a0 # [ 81.347733] ksys_write+0x68/0xf0 # [ 84.445131] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 81.351429] do_syscall_64+0x33/0x40 # [ 81.355417] entry[ 84.457973] RIP: 0010:refcount_warn_saturate+0x51/0x110 _SYSCALL_64_after_hwframe+0x61/0xc6 # [ 81.361050] RIP: 0033:[ 84.469981] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 52 94 c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 0x7f47e4b758f3 # [ 81.365034] Code: 8b 15 a1 25 0e 00 f7 d8 6[ 84.497129] RSP: 0018:ffffa61502697e48 EFLAGS: 00010286 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00[ 84.509147] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c[ 84.523339] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.385967] RSP: [ 84.537480] RBP: ffffffff9458bf73 R08: 0000000000000000 R09: 0000000000000000 002b:00007ffc4664c668 EFLAGS: 00000246 ORIG_RAX: 000000000000000[ 84.551676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 1 # [ 81.394407] RAX: ffffffffffffffda RBX: 0000000000000009 [ 84.565827] R13: ffffa61502697f10 R14: ffffa61502697f10 R15: ffff8c5bc29e0000 RCX: 00007f47e4b758f3 # [ 81.402361] RDX: 0000000000000009 RS[ 84.580013] FS: 00007f481775c580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 I: 00007f47e4a68000 RDI: 0000000000000001 # [ 81.410315] RBP:[ 84.595237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00007f47e4a68000 R08: 00007f47e4a67010 R09: 0000000000000000 #[ 84.607865] CR2: 00007f4817565000 CR3: 000000010344c000 CR4: 00000000003506e0 [ 81.418266] R10: fffffffffffffbc5 R11: 0000000000000246 R12:[ 84.622097] Call Trace: 0000000000000001 # [ 81.426218] R13: 0000000000000001 R14: 0[ 84.631273] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 000000000020000 R15: 0000000000020000 # [ 81.434185] Modules [ 84.642623] direct_entry.cold+0x2c/0x38 linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_e[ 84.653347] full_proxy_write+0x56/0x80 c_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_u[ 84.663851] vfs_write+0xea/0x3a0 sbpd_notify # [ 81.450119] CR2: ffffffff9419c1f0 # [ 81.45[ 84.673683] ksys_write+0x68/0xf0 3819] ---[ end trace 920d3aac2376712f ]--- # [ 81.458969] RIP[ 84.683563] do_syscall_64+0x33/0x40 : 0010:lkdtm_BUG+0x5/0x10 # [ 81.463342] Code: 89 ff e8 be ae[ 84.693683] entry_SYSCALL_64_after_hwframe+0x61/0xc6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc [ 84.705649] RIP: 0033:0x7f48176728f3 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f[ 84.715716] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 81.48[ 84.743003] RSP: 002b:00007ffe717ea8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 4276] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 81.4900[ 84.757548] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f48176728f3 98] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 00000000000[ 84.771731] RDX: 0000000000000016 RSI: 00007f4817565000 RDI: 0000000000000001 00000 # [ 81.498050] RDX: 0000000000000000 RSI: ffff8c5c3bc1b[ 84.785884] RBP: 00007f4817565000 R08: 00007f4817564010 R09: 0000000000000000 f70 RDI: ffffffff9419bd70 # [ 81.506003] RBP: ffffffff945e73a[ 84.800092] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 8 R08: 0000000000000001 R09: 0000000000000001 # [ 81.513962] [ 84.814234] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 84.828440] irq event stamp: 0 4 # [ 81.521917] R13: ffffa615012cff10 R14: ffffa615012cff10 [ 84.837983] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R15: ffff8c5bc4d0c000 # [ 81.529875] FS: 00007f47e4c5f580(00[ 84.851303] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 00) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 # [ 81.5[ 84.866616] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 38887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 84.881955] softirqs last disabled at (0): [<0000000000000000>] 0x0 81.545290] CR2: ffffffff9419c1f0 CR3: 0000000103b0e000 CR4: 0000[ 84.895172] ---[ end trace 920d3aac23767133 ]--- 0000003506f0 # [ 81.553246] BUG: sleeping function called fro[ 84.906516] lkdtm: Overflow detected: saturated m invalid context at include/linux/percpu-rwsem.h:49 # [ 81.563141] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1953, name: cat # [ 81.571581] INFO: lockdep is turned off. # [ 81.575949] irq event stamp: 0 # [ 81.579357] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 81.586349] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 81.595470] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 81.604585] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 81.611572] CPU: 0 PID: 1953 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 81.620207] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.626803] Call Trace: # [ 81.629536] dump_stack+0x77/0x9b # [ 81.633233] ___might_sleep.cold+0xa6/0xb6 # [ 81.637801] exit_signals+0x1c/0x2e0 # [ 81.641787] do_exit+0xd5/0xb00 # [ 81.645282] ? ksys_write+0x68/0xf0 # [ 81.649172] rewind_stack_do_exit+0x17/0x20 # [ 81.653833] RIP: 0033:0x7f47e4b758f3 # [ 81.657814] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 81.678742] RSP: 002b:00007ffc4664c668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.687183] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f47e4b758f3 # [ 81.695140] RDX: 0000000000000009 RSI: 00007f47e4a68000 RDI: 0000000000000001 # [ 81.703094] RBP: 00007f47e4a68000 R08: 00007f47e4a67010 R09: 0000000000000000 # [ 81.711049] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.719008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 82.087686] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 82.099277] lkdtm: attempting bad ro_after_init write at ffffffff94609330 # [ 82.106892] BUG: unable to handle page fault for address: ffffffff94609330 # [ 82.114565] #PF: supervisor write access in kernel mode # [ 82.120384] #PF: error_code(0x0003) - permissions violation # [ 82.126596] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 104c72163 PTE 800000012f009061 # [ 82.135640] Oops: 0003 [#15] SMP PTI # [ 82.139620] CPU: 2 PID: 1988 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 82.148254] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 82.154865] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 82.160893] Code: cd 58 94 e9 3e 9b fd ff 48 c7 c7 a0 cd 58 94 e8 32 9b fd ff 48 8b 05 a7 bc a9 00 ba 34 12 cd ab 48 c7 c7 48 cd 58 94 48 31 d0 <48> 89 05 91 bc a9 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 82.181844] RSP: 0018:ffffa615022dfe60 EFLAGS: 00010202 # [ 82.187679] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 82.195644] RDX: 00000000abcd1234 RSI: ffff8c5c3bd1bf70 RDI: ffffffff9458cd48 # [ 82.203599] RBP: ffffffff9458bf3e R08: 0000000[ 85.217577] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 85.228987] lkdtm: attempting bad refcount_inc_not_zero() overflow 000000000 R09: 0000000000000000 # [ 82.211557] R10: 00000000f[ 85.235920] ------------[ cut here ]------------ fffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 82.21[ 85.247279] refcount_t: saturated; leaking memory. 9518] R13: ffffa615022dff10 R14: ffffa615022dff10 R15: ffff8c5bc[ 85.258871] WARNING: CPU: 0 PID: 2122 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 85.274491] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.290438] CPU: 0 PID: 2122 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 85.299089] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.305711] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 85.311561] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 94 c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 [ 85.332513] RSP: 0018:ffffa6150272fe38 EFLAGS: 00010282 [ 85.338368] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 85.346337] RDX: ffff8c5c3bc2c660 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 [ 85.354310] RBP: ffffffff9458bbb0 R08: 0000000000000000 R09: 0000000000000000 [ 85.362279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 85.370253] R13: ffffa6150272ff10 R14: ffffa6150272ff10 R15: ffff8c5bc320d000 [ 85.378231] FS: 00007fe1d4ca4580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 85.387270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.393695] CR2: 00007fe1d4aad000 CR3: 0000000103f00000 CR4: 00000000003506f0 [ 85.401677] Call Trace: [ 85.404435] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 85.410580] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 85.416819] direct_entry.cold+0x2c/0x38 [ 85.421218] full_proxy_write+0x56/0x80 [ 85.425514] vfs_write+0xea/0x3a0 [ 85.429234] ksys_write+0x68/0xf0 [ 85.432957] do_syscall_64+0x33/0x40 [ 85.436971] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 85.442625] RIP: 0033:0x7fe1d4bba8f3 [ 85.446634] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 85.467608] RSP: 002b:00007fff45fa94a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.476074] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe1d4bba8f3 [ 85.484054] RDX: 000000000000001f RSI: 00007fe1d4aad000 RDI: 0000000000000001 [ 85.492032] RBP: 00007fe1d4aad000 R08: 00007fe1d4aac010 R09: 0000000000000000 [ 85.500013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 85.507993] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 85.515988] irq event stamp: 0 [ 85.519417] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 85.526430] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 4dde000 # [ 82.227473] FS: 00007f00770a9580(0000) GS:ffff8c5[ 85.535577] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 85.550899] softirqs last disabled at (0): [<0000000000000000>] 0x0 c3bd00000(0000) knlGS:0000000000000000 # [ 82.236496] CS: 00[ 85.557909] ---[ end trace 920d3aac23767134 ]--- [ 85.569267] lkdtm: Overflow detected: saturated 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.242901] CR2: ffffffff94609330 CR3: 0000000104f64000 CR4: 00000000003506e0 # [ 82.250859] Call Trace: # [ 82.253594] direct_entry.cold+0x2c/0x38 # [ 82.257976] full_proxy_write+0x56/0x80 # [ 82.262262] vfs_write+0xea/0x3a0 # [ 82.265961] ksys_write+0x68/0xf0 # [ 82.269661] do_syscall_64+0x33/0x40 # [ 82.273648] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.279283] RIP: 0033:0x7f0076fbf8f3 # [ 82.283269] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.304203] RSP: 002b:00007ffdb8dbcff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.312645] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f0076fbf8f3 # [ 82.320599] RDX: 0000000000000014 RSI: 00007f0076eb2000 RDI: 0000000000000001 # [ 82.328548] RBP: 00007f0076eb2000 R08: 00007f0076eb1010 R09: 0000000000000000 # [ 82.336499] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 82.344449] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.352415] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 82.368346] CR2: ffffffff94609330 # [ 82.372044] ---[ end trace 920d3aac23767130 ]--- # [ 82.377190] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 82.381561] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 82.402486] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 82.408311] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 82.416264] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 82.424217] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 82.432171] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 82.440126] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 82.448084] FS: 00007f00770a9580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 82.457106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.463509] CR2: ffffffff94609330 CR3: 0000000104f64000 CR4: 00000000003506e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 82.777952] lkdtm: Performing direct entry WRITE_KERN # [ 82.787028] lkdtm: attempting bad 6872489 byte write at ffffffff93b6d5a9 # [ 82.794550] BUG: unable to handle page fault for address: ffffffff93b6d5a9 # [ 82.802221] #PF: supervisor write access in kernel mode # [ 82.808043] #PF: error_code(0x0003) - permissions violation # [ 82.814251] PGD 12f229067 P4D 12f229067 PUD 12f22a063 PMD 12e4001e1 # [ 82.821339] Oops: 0003 [#16] SMP PTI # [ 82.825325] CPU: 2 PID: 2023 Comm: cat Tainted: G D W [ 85.873746] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 5.10.153-cip19 #1 # [ 82.833955] Hardware name: Google Coral/[ 85.885949] lkdtm: attempting bad refcount_add_not_zero() overflow [ 85.899074] ------------[ cut here ]------------ [ 85.904228] refcount_t: saturated; leaking memory. Coral, BIOS 09/29/2020 # [ 82.840561] RIP: 0010:lkdtm_WRITE_[ 85.909629] WARNING: CPU: 0 PID: 2154 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 85.925194] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 85.941157] CPU: 0 PID: 2154 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 85.949809] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 85.956484] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 85.962366] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 94 c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 [ 85.983322] RSP: 0018:ffffa61502797e38 EFLAGS: 00010282 [ 85.989169] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 85.997143] RDX: ffff8c5c3bc2c660 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 [ 86.005116] RBP: ffffffff9458bbd0 R08: 0000000000000000 R09: 0000000000000000 [ 86.013091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 86.021066] R13: ffffa61502797f10 R14: ffffa61502797f10 R15: ffff8c5bc3b4b000 [ 86.029040] FS: 00007f57cc9fa580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 86.038078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.044502] CR2: 00007f57cc803000 CR3: 0000000103cc6000 CR4: 00000000003506f0 [ 86.052475] Call Trace: [ 86.055228] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 86.061368] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 86.067604] direct_entry.cold+0x2c/0x38 [ 86.072004] full_proxy_write+0x56/0x80 [ 86.076309] vfs_write+0xea/0x3a0 [ 86.080018] ksys_write+0x68/0xf0 [ 86.083737] do_syscall_64+0x33/0x40 [ 86.087744] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 86.093394] RIP: 0033:0x7f57cc9108f3 [ 86.097397] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 86.118345] RSP: 002b:00007ffed7c60478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.126808] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f57cc9108f3 [ 86.134777] RDX: 000000000000001f RSI: 00007f57cc803000 RDI: 0000000000000001 [ 86.142749] RBP: 00007f57cc803000 R08: 00007f57cc802010 R09: 0000000000000000 [ 86.150723] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 86.158695] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 86.166677] irq event stamp: 0 [ 86.170095] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.177100] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 86.186236] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 KERN+0x38/0x4e # [ 82.845709] Code: 53 48 c7 c3 a9 d5 b6 93 4[ 86.195362] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.208559] ---[ end trace 920d3aac23767135 ]--- [ 86.213721] lkdtm: Overflow detected: saturated 9 89 dc 48 89 da 49 81 ec 00 f8 4d 93 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 00 f8 4d 93 a4 48 c7 c7 48 cd 58 94 e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 82.866647] RSP: 0018:ffffa615025afe50 EFLAGS: 00010246 # [ 82.872466] RAX: 000000000000003c RBX: ffffffff93b6d5a9 RCX: 000000000068dda9 # [ 82.880421] RDX: 0000000000000000 RSI: ffffffff934df800 RDI: ffffffff93b6d5a9 # [ 82.888380] RBP: ffffffff9458bf52 R08: 0000000000000000 R09: 0000000000000000 # [ 82.896335] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068dda9 # [ 82.904289] R13: ffffa615025aff10 R14: ffffa615025aff10 R15: ffff8c5bc3b4a000 # [ 82.912245] FS: 00007f31fc095580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 82.921260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 82.927663] CR2: ffffffff93b6d5a9 CR3: 0000000103066000 CR4: 00000000003506e0 # [ 82.935612] Call Trace: # [ 82.938346] direct_entry.cold+0x2c/0x38 # [ 82.942715] full_proxy_write+0x56/0x80 # [ 82.946994] vfs_write+0xea/0x3a0 # [ 82.950692] ksys_write+0x68/0xf0 # [ 82.954390] do_syscall_64+0x33/0x40 # [ 82.958377] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 82.964011] RIP: 0033:0x7f31fbfab8f3 # [ 82.967996] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 82.988934] RSP: 002b:00007ffda276cb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 82.997368] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f31fbfab8f3 # [ 83.005322] RDX: 000000000000000b RSI: 00007f31fbe9e000 RDI: 0000000000000001 # [ 83.013277] RBP: 00007f31fbe9e000 R08: 00007f31fbe9d010 R09: 0000000000000000 # [ 83.021234] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.029184] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.037146] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.053067] CR2: ffffffff93b6d5a9 # [ 83.056762] ---[ end trace 920d3aac23767131 ]--- # [ 83.061912] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 83.066285] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 83.087220] RSP: 0018:ffffa615012cfe60 EFLAGS: 00010286 # [ 83.093049] RAX: ffffffff934df430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 83.101006] RDX: 0000000000000000 RSI: ffff8c5c3bc1bf70 RDI: ffffffff9419bd70 # [ 83.108963] RBP: ffffffff945e73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 83.116924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 83.124881] R13: ffffa615012cff10 R14: ffffa615012cff10 R15: ffff8c5bc4d0c000 # [ 83.132840] FS: 00007f31fc095580(0000) GS:ffff8c5c3bd00000(0000) knlGS:000000000000[ 86.514156] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 0000 # [ 83.141862] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 86.522743] lkdtm: attempting good refcount_dec() 80050033 # [ 83.148266] CR2: ffffffff93b6d5a9 CR3: 0000000103[ 86.534184] lkdtm: attempting bad refcount_dec() to zero 066000 CR4: 00000000003506e0 # [ 83.156223] BUG: sleeping fun[ 86.546365] ------------[ cut here ]------------ ction called from invalid context at include/linux/percpu-rwsem.[ 86.557912] refcount_t: decrement hit 0; leaking memory. h:49 # [ 83.166106] in_atomic(): 0, irqs_disabled(): 1, non_b[ 86.569925] WARNING: CPU: 3 PID: 2186 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 lock: 0, pid: 2023, name: cat # [ 83.174545] INFO: lockdep is[ 86.585627] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify turned off. # [ 83.178919] irq event stamp: 0 # [ 83.1823[ 86.607720] CPU: 3 PID: 2186 Comm: cat Tainted: G D W 5.10.153-cip19 #1 23] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [[ 86.622493] Hardware name: Google Coral/Coral, BIOS 09/29/2020 83.189311] hardirqs last disabled at (0): [[ 86.635283] RIP: 0010:refcount_warn_saturate+0xfb/0x110 ] copy_process+0x640/0x1c80 # [ 83.198424] softirqs last ena[ 86.647332] Code: 50 79 52 94 c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 52 94 c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b bled at (0): [] copy_process+0x640/0x1c80 # [[ 86.674472] RSP: 0018:ffffa61502817e48 EFLAGS: 00010286 83.207542] softirqs last disabled at (0): [<0000000000000000>[ 86.686428] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ] 0x0 # [ 83.214532] CPU: 2 PID: 2023 Comm: cat Tainted: G [ 86.700647] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 D W 5.10.153-cip19 #1 # [ 83.223168] Hardware name[ 86.714739] RBP: ffffffff9458bf89 R08: 0000000000000000 R09: 0000000000000000 : Google Coral/Coral, BIOS 09/29/2020 # [ 83.229766] Call Tr[ 86.728933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ace: # [ 83.232499] dump_stack+0x77/0x9b # [ 83.236200] [ 86.743063] R13: ffffa61502817f10 R14: ffffa61502817f10 R15: ffff8c5bc5429000 ___might_sleep.cold+0xa6/0xb6 # [ 83.240770] exit_signals+0x[ 86.757236] FS: 00007f9500a99580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 1c/0x2e0 # [ 83.244756] do_exit+0xd5/0xb00 # [ 83.248260][ 86.772430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ? ksys_write+0x68/0xf0 # [ 83.252154] ? lkdtm_SLAB_FREE_CR[ 86.785066] CR2: 00007f95008a2000 CR3: 0000000103f06000 CR4: 00000000003506e0 OSS.cold+0x32/0x32 # [ 83.257597] rewind_stack_do_exit+0x17/[ 86.799196] Call Trace: 0x20 # [ 83.262261] RIP: 0033:0x7f31fbfab8f3 # [ 83.266246[ 86.808147] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd ] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb[ 86.819335] direct_entry.cold+0x2c/0x38 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 [ 86.829833] full_proxy_write+0x56/0x80 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[ 86.840344] vfs_write+0xea/0x3a0 54 24 18 # [ 83.287183] RSP: 002b:00007ffda276cb18 EFLAGS: 0[ 86.850197] ksys_write+0x68/0xf0 0000246 ORIG_RAX: 0000000000000001 # [ 83.295628] RAX: ffffff[ 86.860077] do_syscall_64+0x33/0x40 ffffffffda RBX: 000000000000000b RCX: 00007f31fbfab8f3 # [ 83[ 86.870320] entry_SYSCALL_64_after_hwframe+0x61/0xc6 .303584] RDX: 000000000000000b RSI: 00007f31fbe9e000 RDI: 000000[ 86.882112] RIP: 0033:0x7f95009af8f3 0000000001 # [ 83.311543] RBP: 00007f31fbe9e000 R08: 00007f31[ 86.892300] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fbe9d010 R09: 0000000000000000 # [ 83.319501] R10: ffffffffff[ 86.919512] RSP: 002b:00007fff81cf0568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.327[ 86.934165] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f95009af8f3 459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000[ 86.948278] RDX: 0000000000000012 RSI: 00007f95008a2000 RDI: 0000000000000001 020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lk[ 86.962431] RBP: 00007f95008a2000 R08: 00007f95008a1010 R09: 0000000000000000 dtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh[ 86.976584] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.663120] lkdtm: Performing direct entry REFCOUNT_INC_O[ 86.990764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 VERFLOW # [ 83.670794] lkdtm: attempting good refcount_inc() [ 87.004912] irq event stamp: 0 without overflow # [ 83.683922] lkdtm: attempting bad refcoun[ 87.014541] hardirqs last enabled at (0): [<0000000000000000>] 0x0 t_inc() overflow # [ 83.696145] ------------[ cut here ]-----[ 87.027713] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ------- # [ 83.707493] refcount_t: saturated; leaking memory.[ 87.043035] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 83.719099] WARNING: CPU: 1 PID: 2058 at lib/refcount.c:2[ 87.058383] softirqs last disabled at (0): [<0000000000000000>] 0x0 2 refcount_warn_saturate+0x51/0x110 # [ 83.734712] Modules li[ 87.071542] ---[ end trace 920d3aac23767136 ]--- nked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_[ 87.082925] lkdtm: Zero detected: saturated lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 83.756832] CPU: 1 PID: 2058 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 83.765489] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.772114] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 83.778000] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 52 94 c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 # [ 83.805138] RSP: 0018:ffffa6150262fe48 EFLAGS: 00010286 # [ 83.817171] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 83.825145] RDX: ffff8c5c3bcac660 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 # [ 83.833119] RBP: ffffffff9458bf5d R08: 0000000000000000 R09: 0000000000000000 # [ 83.841091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 83.849065] R13: ffffa6150262ff10 R14: ffffa6150262ff10 R15: ffff8c5bc31e6000 # [ 83.857041] FS: 00007f090c8bf580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 # [ 83.866077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 83.872500] CR2: 00007f090c6c8000 CR3: 0000000103cb6000 CR4: 00000000003506e0 # [ 83.880479] Call Trace: # [ 83.883235] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 83.888604] direct_entry.cold+0x2c/0x38 # [ 83.893002] full_proxy_write+0x56/0x80 # [ 83.897305] vfs_write+0xea/0x3a0 # [ 83.901025] ksys_write+0x68/0xf0 # [ 83.904747] do_syscall_64+0x33/0x40 # [ 83.908762] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 83.914416] RIP: 0033:0x7f090c7d58f3 # [ 83.918426] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.939388] RSP: 002b:00007fffe1c00e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.947854] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f090c7d58f3 # [ 83.955833] RDX: 0000000000000016 RSI: 00007f090c6c8000 RDI: 0000000000000001 # [ 83.963814] RBP: 00007f090c6c8000 R08: 00007f090c6c7010 R09: 0000000000000000 # [ 83.971791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.979767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.987749] irq event stamp: 0 # [ 83.991161] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.004355] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 84.013490] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 84.022633] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.029640] ---[ end trace 920d3aac23767132 ]--- # [ 84.034812] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 84.332444] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 84.344280] lkdtm: attempting good refcount_add() without overflow # [ 84.357425] lkdtm: attempting bad refcount_add() overflow # [ 84.369636] ------------[ cut here ]------------ # [ 84.380982] refcount_t: saturated; leaking memory. # [ 84.392658] WARNING: CPU: 3 PID: 2090 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 84.408193] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 87.434732] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE _notify # [ 84.430306] CPU: 3 PID: 2090 Comm: cat Tainted: G [ 87.447558] lkdtm: attempting bad refcount_dec() below zero D W 5.10.153-cip19 #1 # [ 84.445131] Hardware na[ 87.460018] ------------[ cut here ]------------ me: Google Coral/Coral, BIOS 09/29/2020 # [ 84.457973] RIP: [ 87.471392] refcount_t: decrement hit 0; leaking memory. 0010:refcount_warn_saturate+0x51/0x110 # [ 84.469981] Code: 8[ 87.483584] WARNING: CPU: 1 PID: 2221 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 4 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75[ 87.499174] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 87.521299] CPU: 1 PID: 2221 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 87.529957] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 87.536584] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 87.542435] Code: 50 79 52 94 c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 52 94 c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ee 48 c7 c7 a0 78 52 94 c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f[ 87.563401] RSP: 0018:ffffa615028a7e48 EFLAGS: 00010286 [ 87.575449] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 87.583431] RDX: ffff8c5c3bcac660 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 [ 87.591421] RBP: ffffffff9458bf9b R08: 0000000000000000 R09: 0000000000000000 > 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52[ 87.599393] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 87.613539] R13: ffffa615028a7f10 R14: ffffa615028a7f10 R15: ffff8c5bc548e000 [ 87.621515] FS: 00007fdbee2b0580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 [ 87.630557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.636988] CR2: 00007fdbee0b9000 CR3: 00000001032a2000 CR4: 00000000003506e0 [ 87.644969] Call Trace: [ 87.647728] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 84.497129] RSP: 0018:ffffa61502697e48 EFLAGS: 00010286 [ 87.653095] direct_entry.cold+0x2c/0x38 [ 87.663650] full_proxy_write+0x56/0x80 # [ 84.509147] RAX: 0000000000000000 RBX: 000000000000002c RCX[ 87.667946] vfs_write+0xea/0x3a0 [ 87.677835] ksys_write+0x68/0xf0 [ 87.681554] do_syscall_64+0x33/0x40 [ 87.685559] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : 0000000000000000 # [ 84.523339] RDX: ffff8c5c3bdac660 RSI: [ 87.691229] RIP: 0033:0x7fdbee1c68f3 [ 87.701442] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 # [ 84.537480] RBP: ff[ 87.722397] RSP: 002b:00007ffe040a5358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffffff9458bf73 R08: 0000000000000000 R09: 0000000000000000 # [ [ 87.737039] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdbee1c68f3 84.551676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 87.751197] RDX: 0000000000000016 RSI: 00007fdbee0b9000 RDI: 0000000000000001 [ 87.765366] RBP: 00007fdbee0b9000 R08: 00007fdbee0b8010 R09: 0000000000000000 [ 87.773347] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000000016 # [ 84.565827] R13: ffffa61502697f10 R14: ffff[ 87.781372] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a61502697f10 R15: ffff8c5bc29e0000 # [ 84.580013] FS: 00007f[ 87.795540] irq event stamp: 0 [ 87.805141] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.812157] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 87.821298] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 87.830440] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.837448] ---[ end trace 920d3aac23767137 ]--- [ 87.842614] lkdtm: Negative detected: saturated 481775c580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 84.595237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 84.607865] CR2: 00007f4817565000 CR3: 000000010344c000 CR4: 00000000003506e0 # [ 84.622097] Call Trace: # [ 84.631273] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 84.642623] direct_entry.cold+0x2c/0x38 # [ 84.653347] full_proxy_write+0x56/0x80 # [ 84.663851] vfs_write+0xea/0x3a0 # [ 84.673683] ksys_write+0x68/0xf0 # [ 84.683563] do_syscall_64+0x33/0x40 # [ 84.693683] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 84.705649] RIP: 0033:0x7f48176728f3 # [ 84.715716] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 84.743003] RSP: 002b:00007ffe717ea8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 84.757548] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f48176728f3 # [ 84.771731] RDX: 0000000000000016 RSI: 00007f4817565000 RDI: 0000000000000001 # [ 84.785884] RBP: 00007f4817565000 R08: 00007f4817564010 R09: 0000000000000000 # [ 84.800092] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 84.814234] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 84.828440] irq event stamp: 0 # [ 84.837983] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 84.851303] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 84.866616] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 84.881955] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 84.895172] ---[ end trace 920d3aac23767133 ]--- # [ 84.906516] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 85.217577] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 85.228987] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 85.235920] ------------[ cut here ]------------ # [ 85.247279] refcount_t: saturated; leaking memory. # [ 85.258871] WARNING: CPU: 0 PID: 2122 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 85.274491] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.290438] CPU: 0 PID: 2122 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 85.299089] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.305711] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 85.311561] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 94 c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 # [ 85.332513] RSP: 0018:ffffa6150272fe38 EFLAGS: 00010282 # [ 85.338368] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 85.346337] RDX: ffff8c5c3bc2c660 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 # [ 85.354310] RBP: ffffffff9458bbb0 R08: 0000000000000000 R09: 0000000000000000 # [ 85.362279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 85.370253] R13: ffffa61502[ 88.174855] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 88.183851] lkdtm: attempting bad refcount_dec_and_test() below zero [ 88.190952] ------------[ cut here ]------------ [ 88.196124] refcount_t: underflow; use-after-free. [ 88.201528] WARNING: CPU: 2 PID: 2256 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 72ff10 R14: ffffa6150272ff10 R15: ffff8c5bc320d000 # [ 85.378[ 88.210956] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 88.233091] CPU: 2 PID: 2256 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 88.241740] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 88.248358] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 88.254202] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 94 c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 [ 88.275144] RSP: 0018:ffffa6150291fe40 EFLAGS: 00010286 [ 88.280988] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 88.288958] RDX: ffff8c5c3bd2c660 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 [ 88.296927] RBP: ffffffff9458bbf0 R08: 0000000000000000 R09: 0000000000000000 231] FS: 00007fe1d4ca4580(0000) GS:ffff8c5c3bc00000(0000) knlGS[ 88.304906] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 88.319058] R13: ffffa6150291ff10 R14: ffffa6150291ff10 R15: ffff8c5bc4c15000 [ 88.327031] FS: 00007fb75f26d580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 88.336067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.342487] CR2: 00007fb75f076000 CR3: 0000000103b6e000 CR4: 00000000003506e0 [ 88.350454] Call Trace: [ 88.353207] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 88.359332] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 88.365566] direct_entry.cold+0x2c/0x38 [ 88.369968] full_proxy_write+0x56/0x80 [ 88.374268] vfs_write+0xea/0x3a0 [ 88.377987] ksys_write+0x68/0xf0 [ 88.381704] do_syscall_64+0x33/0x40 [ 88.385711] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 88.391371] RIP: 0033:0x7fb75f1838f3 [ 88.395378] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 88.416324] RSP: 002b:00007ffdc42d7dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.424790] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb75f1838f3 [ 88.432762] RDX: 000000000000001f RSI: 00007fb75f076000 RDI: 0000000000000001 [ 88.440737] RBP: 00007fb75f076000 R08: 00007fb75f075010 R09: 0000000000000000 [ 88.448708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 :0000000000000000 # [ 85.387270] CS: 0010 DS: 0000 ES: 0000 [ 88.456679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 88.470863] irq event stamp: 0 [ 88.474280] hardirqs last enabled at (0): [<0000000000000000>] 0x0 CR0: 0000000080050033 # [ 85.393695] CR2: 00007fe1d4aad000 CR[ 88.481283] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 88.496621] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 88.505759] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 88.512760] ---[ end trace 920d3aac23767138 ]--- [ 88.517921] lkdtm: Negative detected: saturated 3: 0000000103f00000 CR4: 00000000003506f0 # [ 85.401677] Call Trace: # [ 85.404435] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 85.410580] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 85.416819] direct_entry.cold+0x2c/0x38 # [ 85.421218] full_proxy_write+0x56/0x80 # [ 85.425514] vfs_write+0xea/0x3a0 # [ 85.429234] ksys_write+0x68/0xf0 # [ 85.432957] do_syscall_64+0x33/0x40 # [ 85.436971] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 85.442625] RIP: 0033:0x7fe1d4bba8f3 # [ 85.446634] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 85.467608] RSP: 002b:00007fff45fa94a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 85.476074] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe1d4bba8f3 # [ 85.484054] RDX: 000000000000001f RSI: 00007fe1d4aad000 RDI: 0000000000000001 # [ 85.492032] RBP: 00007fe1d4aad000 R08: 00007fe1d4aac010 R09: 0000000000000000 # [ 85.500013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 85.507993] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 85.515988] irq event stamp: 0 # [ 85.519417] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 85.526430] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 85.535577] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 85.550899] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 85.557909] ---[ end trace 920d3aac23767134 ]--- # [ 85.569267] 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 # [ 85.873746] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 85.885949] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 85.899074] ------------[ cut here ]------------ # [ 85.904228] refcount_t: saturated; leaking memory. # [ 85.909629] WARNING: CPU: 0 PID: 2154 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 85.925194] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 85.941157] CPU: 0 PID: 2154 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 85.949809] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 85.956484] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 85.962366] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 94 c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 # [ 85.983322] RSP: 0018:ffffa61502797e38 EFLAGS: 00010282 # [ 85.989169] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 85.997143] RDX: ffff8c5c3bc2c660 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 # [ 86.005116] RBP: ffffffff9458bbd0 R08: 0000000000000000 R09: 0000000000000000 # [ 86[ 88.830041] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE .013091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 88.840611] lkdtm: attempting bad refcount_sub_and_test() below zero 000000001f # [ 86.021066] R13: ffffa61502797f10 R14: ffffa615[ 88.853883] ------------[ cut here ]------------ 02797f10 R15: ffff8c5bc3b4b000 # [ 86.029040] FS: 00007f57cc[ 88.865233] refcount_t: underflow; use-after-free. 9fa580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 #[ 88.876902] WARNING: CPU: 3 PID: 2291 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 86.038078] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 88.892445] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3 # [ 86.044502] CR2: 00007f57cc803000 CR3: 0000000103cc6000 [ 88.914508] CPU: 3 PID: 2291 Comm: cat Tainted: G D W 5.10.153-cip19 #1 CR4: 00000000003506f0 # [ 86.052475] Call Trace: # [ 86.05[ 88.929351] Hardware name: Google Coral/Coral, BIOS 09/29/2020 5228] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 86.0[ 88.942144] RIP: 0010:refcount_warn_saturate+0xba/0x110 61368] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 86[ 88.954188] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 94 c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 .067604] direct_entry.cold+0x2c/0x38 # [ 86.072004] full_pr[ 88.981326] RSP: 0018:ffffa615029afe40 EFLAGS: 00010286 oxy_write+0x56/0x80 # [ 86.076309] vfs_write+0xea/0x3a0 # [[ 88.993333] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 86.080018] ksys_write+0x68/0xf0 # [ 86.083737] do_syscal[ 89.007488] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 l_64+0x33/0x40 # [ 86.087744] entry_SYSCALL_64_after_hwframe[ 89.021659] RBP: ffffffff9458bc10 R08: 0000000000000000 R09: 0000000000000000 +0x61/0xc6 # [ 86.093394] RIP: 0033:0x7f57cc9108f3 # [ 86.[ 89.035789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 097397] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 89.049972] R13: ffffa615029aff10 R14: ffffa615029aff10 R15: ffff8c5bc3cc2000 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 89.064102] FS: 00007f92a23bf580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 89.079335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 48 89 54 24 18 # [ 86.118345] RSP: 002b:00007ffed7c60478 EFL[ 89.091939] CR2: 00007f92a21c8000 CR3: 000000010322a000 CR4: 00000000003506e0 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.126808] RAX: [ 89.106096] Call Trace: ffffffffffffffda RBX: 000000000000001f RCX: 00007f57cc9108f3 # [ 89.115128] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 86.134777] RDX: 000000000000001f RSI: 00007f57cc803000 RDI: [ 89.127703] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 0000000000000001 # [ 86.142749] RBP: 00007f57cc803000 R08: 00[ 89.139842] direct_entry.cold+0x2c/0x38 007f57cc802010 R09: 0000000000000000 # [ 86.150723] R10: ffff[ 89.150618] full_proxy_write+0x56/0x80 fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 89.161048] vfs_write+0xea/0x3a0 86.158695] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 89.170923] ksys_write+0x68/0xf0 000000020000 # [ 86.166677] irq event stamp: 0 # [ 86.1700[ 89.180715] do_syscall_64+0x33/0x40 95] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [[ 89.190909] entry_SYSCALL_64_after_hwframe+0x61/0xc6 86.177100] hardirqs last disabled at (0): [[ 89.202722] RIP: 0033:0x7f92a22d58f3 ] copy_process+0x640/0x1c80 # [ 86.186236] softirqs last ena[ 89.212964] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 bled at (0): [] copy_process+0x640/0x1c80 # [[ 89.240030] RSP: 002b:00007ffebf0c1fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 86.195362] softirqs last disabled at (0): [<0000000000000000>[ 89.254704] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f92a22d58f3 ] 0x0 # [ 86.208559] ---[ end trace 920d3aac23767135 ]--- # [ 89.268800] RDX: 000000000000001f RSI: 00007f92a21c8000 RDI: 0000000000000001 [ 86.213721] lkdtm: Overflow detected: saturated # REFCOUNT_A[ 89.282960] RBP: 00007f92a21c8000 R08: 00007f92a21c7010 R09: 0000000000000000 DD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lk[ 89.297095] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 dtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFC[ 89.311250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 OUNT_DEC_ZERO.sh # [ 86.514156] lkdtm: Performing direct entr[ 89.325425] irq event stamp: 0 y REFCOUNT_DEC_ZERO # [ 86.522743] lkdtm: attempting good ref[ 89.335060] hardirqs last enabled at (0): [<0000000000000000>] 0x0 count_dec() # [ 86.534184] lkdtm: attempting bad refcount_dec[ 89.348208] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 () to zero # [ 86.546365] ------------[ cut here ]-----------[ 89.363532] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 - # [ 86.557912] refcount_t: decrement hit 0; leaking memory.[ 89.378826] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 86.569925] WARNING: CPU: 3 PID: 2186 at lib/refcount.c:3[ 89.392024] ---[ end trace 920d3aac23767139 ]--- 1 refcount_warn_saturate+0xfb/0x110 # [ 86.585627] Modules li[ 89.403359] lkdtm: Negative detected: saturated nked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 86.607720] CPU: 3 PID: 2186 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 86.622493] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 86.635283] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 86.647332] Code: 50 79 52 94 c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 52 94 c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 86.674472] RSP: 0018:ffffa61502817e48 EFLAGS: 00010286 # [ 86.686428] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 86.700647] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 # [ 86.714739] RBP: ffffffff9458bf89 R08: 0000000000000000 R09: 0000000000000000 # [ 86.728933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 86.743063] R13: ffffa61502817f10 R14: ffffa61502817f10 R15: ffff8c5bc5429000 # [ 86.757236] FS: 00007f9500a99580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 86.772430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 86.785066] CR2: 00007f95008a2000 CR3: 0000000103f06000 CR4: 00000000003506e0 # [ 86.799196] Call Trace: # [ 86.808147] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 86.819335] direct_entry.cold+0x2c/0x38 # [ 86.829833] full_proxy_write+0x56/0x80 # [ 86.840344] vfs_write+0xea/0x3a0 # [ 86.850197] ksys_write+0x68/0xf0 # [ 86.860077] do_syscall_64+0x33/0x40 # [ 86.870320] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 86.882112] RIP: 0033:0x7f95009af8f3 # [ 86.892300] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 86.919512] RSP: 002b:00007fff81cf0568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 86.934165] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f95009af8f3 # [ 86.948278] RDX: 0000000000000012 RSI: 00007f95008a2000 RDI: 0000000000000001 # [ 86.962431] RBP: 00007f95008a2000 R08: 00007f95008a1010 R09: 0000000000000000 # [ 86.976584] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 86.990764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.004912] irq event stamp: 0 # [ 87.014541] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.027713] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 87.043035] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 87.058383] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.071542] ---[ end trace 920d3aac23767136 ]--- # [ 87.082925] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 87.434732] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 87.447558] lkdtm: attempting bad refcount_dec() below zero # [ 87.460018] ------------[ cut here ]------------ # [ 87.471392][ 89.727010] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 89.736875] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 89.743997] lkdtm: Good: zero detected refcount_t: decrement hit 0; leaking memory. # [ 87.483584] [ 89.748201] lkdtm: Correctly stayed at zero [ 89.759046] lkdtm: attempting bad refcount_inc() from zero [ 89.765173] ------------[ cut here ]------------ [ 89.770339] refcount_t: addition on 0; use-after-free. [ 89.776134] WARNING: CPU: 2 PID: 2323 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 89.785556] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 89.801507] CPU: 2 PID: 2323 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 89.810156] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 89.816776] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 89.822626] Code: 01 01 e8 ba 6b 98 00 0f 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 94 c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 [ 89.843569] RSP: 0018:ffffa61502a2fe48 EFLAGS: 00010286 [ 89.849423] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 89.857397] RDX: ffff8c5c3bd2c660 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 [ 89.865371] RBP: ffffffff9458bfb1 R08: 0000000000000000 R09: 0000000000000000 [ 89.873345] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 89.881319] R13: ffffa61502a2ff10 R14: ffffa61502a2ff10 R15: ffff8c5bc3f4b000 [ 89.889297] FS: 00007fbccdec1580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 89.898341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.904765] CR2: 00007fbccdcca000 CR3: 0000000103b66000 CR4: 00000000003506e0 [ 89.912739] Call Trace: [ 89.915496] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 89.920481] direct_entry.cold+0x2c/0x38 [ 89.924885] full_proxy_write+0x56/0x80 [ 89.929197] vfs_write+0xea/0x3a0 [ 89.932918] ksys_write+0x68/0xf0 [ 89.936643] do_syscall_64+0x33/0x40 [ 89.940656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 89.946303] RIP: 0033:0x7fbccddd78f3 [ 89.950311] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 89.971258] RSP: 002b:00007fff0fbf3588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.979726] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbccddd78f3 [ 89.987700] RDX: 0000000000000012 RSI: 00007fbccdcca000 RDI: 0000000000000001 [ 89.995682] RBP: 00007fbccdcca000 R08: 00007fbccdcc9010 R09: 0000000000000000 [ 90.003661] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 90.011630] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 90.019610] irq event stamp: 0 WARNING: CPU: 1 PID: 2221 at lib/refcount.c:31 refcount_warn_sat[ 90.023032] hardirqs last enabled at (0): [<0000000000000000>] 0x0 urate+0xfb/0x110 # [ 87.499174] Modules linked in: fuse ip_ta[ 90.036230] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 90.051548] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 90.060694] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 90.067688] ---[ end trace 920d3aac2376713a ]--- [ 90.072844] lkdtm: Zero detected: saturated bles cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 87.521299] CPU: 1 PID: 2221 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 87.529957] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 87.536584] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 87.542435] Code: 50 79 52 94 c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 52 94 c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 87.563401] RSP: 0018:ffffa615028a7e48 EFLAGS: 00010286 # [ 87.575449] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 87.583431] RDX: ffff8c5c3bcac660 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 # [ 87.591421] RBP: ffffffff9458bf9b R08: 0000000000000000 R09: 0000000000000000 # [ 87.599393] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 87.613539] R13: ffffa615028a7f10 R14: ffffa615028a7f10 R15: ffff8c5bc548e000 # [ 87.621515] FS: 00007fdbee2b0580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 # [ 87.630557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 87.636988] CR2: 00007fdbee0b9000 CR3: 00000001032a2000 CR4: 00000000003506e0 # [ 87.644969] Call Trace: # [ 87.647728] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 87.653095] direct_entry.cold+0x2c/0x38 # [ 87.663650] full_proxy_write+0x56/0x80 # [ 87.667946] vfs_write+0xea/0x3a0 # [ 87.677835] ksys_write+0x68/0xf0 # [ 87.681554] do_syscall_64+0x33/0x40 # [ 87.685559] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 87.691229] RIP: 0033:0x7fdbee1c68f3 # [ 87.701442] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 87.722397] RSP: 002b:00007ffe040a5358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 87.737039] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdbee1c68f3 # [ 87.751197] RDX: 0000000000000016 RSI: 00007fdbee0b9000 RDI: 0000000000000001 # [ 87.765366] RBP: 00007fdbee0b9000 R08: 00007fdbee0b8010 R09: 0000000000000000 # [ 87.773347] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 87.781372] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 87.795540] irq event stamp: 0 # [ 87.805141] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 87.812157] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 87.821298] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 87.830440] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 87.837448] ---[ end trace 920d3aac23767137 ]--- # [ 87.842614] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 88.174855] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 88.183851] lkdtm: attempting bad re[ 90.384662] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO fcount_dec_and_test() below zero # [ 88.190952] ------------[[ 90.393872] lkdtm: attempting safe refcount_add_not_zero() from zero cut here ]------------ # [ 88.196124] refcount_t: underflow;[ 90.407152] lkdtm: Good: zero detected use-after-free. # [ 88.201528] WARNING: CPU: 2 PID: 2256 at [ 90.417597] lkdtm: Correctly stayed at zero lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 88.21[ 90.428639] lkdtm: attempting bad refcount_add() from zero 0956] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_[ 90.440816] ------------[ cut here ]------------ chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros[ 90.452301] refcount_t: addition on 0; use-after-free. _ec_dev cros_usbpd_notify # [ 88.233091] CPU: 2 PID: 2256 Com[ 90.464478] WARNING: CPU: 3 PID: 2355 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 m: cat Tainted: G D W 5.10.153-cip19 #1 # [ 88.2[ 90.479684] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 41740] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ [ 90.501949] CPU: 3 PID: 2355 Comm: cat Tainted: G D W 5.10.153-cip19 #1 88.248358] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ [ 90.516659] Hardware name: Google Coral/Coral, BIOS 09/29/2020 88.254202] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d[ 90.529504] RIP: 0010:refcount_warn_saturate+0x74/0x110 ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 94 c6 05 aa 40 94 01 01 [ 90.541454] Code: 01 01 e8 ba 6b 98 00 0f 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 94 c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85[ 90.568637] RSP: 0018:ffffa61502aa7e48 EFLAGS: 00010286 5e ff ff ff 48 c7 # [ 88.275144] RSP: 0018:ffffa6150291fe40 [ 90.580665] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 EFLAGS: 00010286 # [ 88.280988] RAX: 0000000000000000 RBX: 00[ 90.594919] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 00000000000031 RCX: 0000000000000000 # [ 88.288958] RDX: ffff[ 90.609018] RBP: ffffffff9458bfc3 R08: 0000000000000000 R09: 0000000000000000 8c5c3bd2c660 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 # [ [ 90.623208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 88.296927] RBP: ffffffff9458bbf0 R08: 0000000000000000 R09: 0000[ 90.637349] R13: ffffa61502aa7f10 R14: ffffa61502aa7f10 R15: ffff8c5bc408f000 000000000000 # [ 88.304906] R10: 00000000ffffe000 R11: 3fffff[ 90.651598] FS: 00007f8311eba580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 ffffffffff R12: 000000000000001f # [ 88.319058] R13: ffffa615[ 90.666752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0291ff10 R14: ffffa6150291ff10 R15: ffff8c5bc4c15000 # [ 88.3[ 90.679407] CR2: 00007f8311cc3000 CR3: 00000001029e0000 CR4: 00000000003506e0 27031] FS: 00007fb75f26d580(0000) GS:ffff8c5c3bd00000(0000) knl[ 90.693524] Call Trace: GS:0000000000000000 # [ 88.336067] CS: 0010 DS: 0000 ES: 000[ 90.702489] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 0 CR0: 0000000080050033 # [ 88.342487] CR2: 00007fb75f076000 [ 90.713611] direct_entry.cold+0x2c/0x38 CR3: 0000000103b6e000 CR4: 00000000003506e0 # [ 88.350454] Ca[ 90.724365] full_proxy_write+0x56/0x80 ll Trace: # [ 88.353207] __refcount_sub_and_test.constprop.0[ 90.734666] vfs_write+0xea/0x3a0 +0x3c/0x50 # [ 88.359332] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATI[ 90.744725] ksys_write+0x68/0xf0 VE+0x3e/0x78 # [ 88.365566] direct_entry.cold+0x2c/0x38 # [[ 90.754552] do_syscall_64+0x33/0x40 88.369968] full_proxy_write+0x56/0x80 # [ 88.374268] vfs[ 90.764743] entry_SYSCALL_64_after_hwframe+0x61/0xc6 _write+0xea/0x3a0 # [ 88.377987] ksys_write+0x68/0xf0 # [ [ 90.776628] RIP: 0033:0x7f8311dd08f3 88.381704] do_syscall_64+0x33/0x40 # [ 88.385711] entry_SY[ 90.786770] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 SCALL_64_after_hwframe+0x61/0xc6 # [ 88.391371] RIP: 0033:0x7[ 90.813789] RSP: 002b:00007ffc45187a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fb75f1838f3 # [ 88.395378] Code: 8b 15 a1 25 0e 00 f7 d8 64 8[ 90.828366] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8311dd08f3 9 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00[ 90.842689] RDX: 0000000000000012 RSI: 00007f8311cc3000 RDI: 0000000000000001 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0[ 90.856697] RBP: 00007f8311cc3000 R08: 00007f8311cc2010 R09: 0000000000000000 f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 88.416324] RSP: 002[ 90.870882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 b:00007ffdc42d7dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 90.885014] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 88.424790] RAX: ffffffffffffffda RBX: 000000000000001f RCX[ 90.899169] irq event stamp: 0 : 00007fb75f1838f3 # [ 88.432762] RDX: 000000000000001f RSI: [ 90.908839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00007fb75f076000 RDI: 0000000000000001 # [ 88.440737] RBP: 00[ 90.921992] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 007fb75f076000 R08: 00007fb75f075010 R09: 0000000000000000 # [ [ 90.937351] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 88.448708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00[ 90.952646] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000000001 # [ 88.456679] R13: 0000000000000001 R14: 0000[ 90.965888] ---[ end trace 920d3aac2376713b ]--- 000000020000 R15: 0000000000020000 # [ 88.470863] irq event s[ 90.977225] lkdtm: Zero detected: saturated tamp: 0 # [ 88.474280] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 88.481283] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 88.496621] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 88.505759] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 88.512760] ---[ end trace 920d3aac23767138 ]--- # [ 88.517921] 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 # [ 88.830041] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 88.840611] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 88.853883] ------------[ cut here ]------------ # [ 88.865233] refcount_t: underflow; use-after-free. # [ 88.876902] WARNING: CPU: 3 PID: 2291 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 88.892445] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 88.914508] CPU: 3 PID: 2291 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 88.929351] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 88.942144] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 88.954188] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 94 c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 88.981326] RSP: 0018:ffffa615029afe40 EFLAGS: 00010286 # [ 88.993333] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 89.007488] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 # [ 89.021659] RBP: ffffffff9458bc10 R08: 0000000000000000 R09: 0000000000000000 # [ 89.035789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 89.049972] R13: ffffa615029aff10 R14: ffffa615029aff10 R15: ffff8c5bc3cc2000 # [ 89.064102] FS: 00007f92a23bf580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 89.079335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 89.091939] CR2: 00007f92a21c8000 CR3: 000000010322a000 CR4: 00000000003506e0 # [ 89.106096] Call Trace: # [ 89.115128] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 89.127703] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 89.139842] direct_entry.cold+0x2c/0x38 # [ 89.150618] full_proxy_write+0x56/0x80 # [ 89.161048] vfs_write+0xea/0x3a0 # [ 89.170923] ksys_write+0x68/0xf0 # [ 89.180715] do_syscall_64+0x33/0x40 # [ 89.190909] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 89.202722] RIP: 0033:0x7f92a22d58f3 # [ 89.212964] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 89.240030] RSP: 002b:00007ffebf0c1fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.254704] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f92a22d58f3 # [ 89.268800] RDX: 000000000000001f RSI: 00007f92a21c8000 RDI: 0000000000000001 # [ 89.282960] RBP: 00007f92a21c8000 R08: 00007f92a21c7010 R09: 0000000000000000 # [ 89.297095] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 89.311250] R13: 0000000000000001 R14: 00000[ 91.323351] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 00000020000 R15: 0000000000020000 # [ 89.325425] irq event st[ 91.335694] lkdtm: attempting bad refcount_inc() from saturated amp: 0 # [ 89.335060] hardirqs last enabled at (0): [<000000[ 91.348533] ------------[ cut here ]------------ 0000000000>] 0x0 # [ 89.348208] hardirqs last disabled at (0)[ 91.359876] refcount_t: saturated; leaking memory. : [] copy_process+0x640/0x1c80 # [ 89.36353[ 91.371479] WARNING: CPU: 3 PID: 2390 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 2] softirqs last enabled at (0): [] copy_proc[ 91.387124] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ess+0x640/0x1c80 # [ 89.378826] softirqs last disabled at (0)[ 91.409211] CPU: 3 PID: 2390 Comm: cat Tainted: G D W 5.10.153-cip19 #1 : [<0000000000000000>] 0x0 # [ 89.392024] ---[ end trace 920d[ 91.424028] Hardware name: Google Coral/Coral, BIOS 09/29/2020 3aac23767139 ]--- # [ 89.403359] lkdtm: Negative detected: sa[ 91.436822] RIP: 0010:refcount_warn_saturate+0x51/0x110 turated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detecte[ 91.448872] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 52 94 c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 d: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST[ 91.476005] RSP: 0018:ffffa61502b1fe48 EFLAGS: 00010286 _NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 89[ 91.488011] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 .727010] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ [ 91.502171] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 89.736875] lkdtm: attempting safe refcount_inc_not_zero() from [ 91.516351] RBP: ffffffff9458bfd5 R08: 0000000000000000 R09: 0000000000000000 zero # [ 89.743997] lkdtm: Good: zero detected # [ 89.7482[ 91.530511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 01] lkdtm: Correctly stayed at zero # [ 89.759046] lkdtm: att[ 91.544707] R13: ffffa61502b1ff10 R14: ffffa61502b1ff10 R15: ffff8c5bc27b0000 empting bad refcount_inc() from zero # [ 89.765173] ---------[ 91.558858] FS: 00007f39fa4c8580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 ---[ cut here ]------------ # [ 89.770339] refcount_t: additi[ 91.574106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 on on 0; use-after-free. # [ 89.776134] WARNING: CPU: 2 PID: [ 91.586701] CR2: 00007f39fa2d1000 CR3: 00000001027f8000 CR4: 00000000003506e0 2323 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [[ 91.600870] Call Trace: 89.785556] Modules linked in: fuse ip_tables cros_ec_debugfs [ 91.609878] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_ther[ 91.621752] direct_entry.cold+0x2c/0x38 mal cros_ec_dev cros_usbpd_notify # [ 89.801507] CPU: 2 PID: [ 91.632123] full_proxy_write+0x56/0x80 2323 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 91.642760] vfs_write+0xea/0x3a0 [ 89.810156] Hardware name: Google Coral/Coral, BIOS 09/29/20[ 91.652652] ksys_write+0x68/0xf0 20 # [ 89.816776] RIP: 0010:refcount_warn_saturate+0x74/0x110[ 91.662479] do_syscall_64+0x33/0x40 # [ 89.822626] Code: 01 01 e8 ba 6b 98 00 0f 0b c3 cc cc cc [ 91.672554] entry_SYSCALL_64_after_hwframe+0x61/0xc6 cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 94 c6 05 f1 40 9[ 91.684502] RIP: 0033:0x7f39fa3de8f3 4 01 01 e8 97 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d e0 40 94 01 [ 91.694598] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00 75 a8 48 c7 c7 a0 78 52 # [ 89.843569] RSP: 0018:ffffa6150[ 91.721878] RSP: 002b:00007ffd415799e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2a2fe48 EFLAGS: 00010286 # [ 89.849423] RAX: 0000000000000000[ 91.736407] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f39fa3de8f3 RBX: 0000000000000033 RCX: 0000000000000000 # [ 89.857397] R[ 91.750620] RDX: 0000000000000017 RSI: 00007f39fa2d1000 RDI: 0000000000000001 DX: ffff8c5c3bd2c660 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70[ 91.764735] RBP: 00007f39fa2d1000 R08: 00007f39fa2d0010 R09: 0000000000000000 # [ 89.865371] RBP: ffffffff9458bfb1 R08: 0000000000000000 R[ 91.778948] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 09: 0000000000000000 # [ 89.873345] R10: 00000000ffffe000 R11[ 91.793072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 3fffffffffffffff R12: 0000000000000012 # [ 89.881319] R13: [ 91.807265] irq event stamp: 0 ffffa61502a2ff10 R14: ffffa61502a2ff10 R15: ffff8c5bc3f4b000 # [ 91.816844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 89.889297] FS: 00007fbccdec1580(0000) GS:ffff8c5c3bd00000(0[ 91.830188] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 000) knlGS:0000000000000000 # [ 89.898341] CS: 0010 DS: 0000[ 91.845463] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ES: 0000 CR0: 0000000080050033 # [ 89.904765] CR2: 00007fbcc[ 91.860831] softirqs last disabled at (0): [<0000000000000000>] 0x0 dcca000 CR3: 0000000103b66000 CR4: 00000000003506e0 # [ 89.91[ 91.873863] ---[ end trace 920d3aac2376713c ]--- 2739] Call Trace: # [ 89.915496] lkdtm_REFCOUNT_INC_ZERO+0x9[ 91.885340] lkdtm: Saturation detected: still saturated 9/0xc1 # [ 89.920481] direct_entry.cold+0x2c/0x38 # [ 89.924885] full_proxy_write+0x56/0x80 # [ 89.929197] vfs_write+0xea/0x3a0 # [ 89.932918] ksys_write+0x68/0xf0 # [ 89.936643] do_syscall_64+0x33/0x40 # [ 89.940656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 89.946303] RIP: 0033:0x7fbccddd78f3 # [ 89.950311] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 89.971258] RSP: 002b:00007fff0fbf3588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 89.979726] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbccddd78f3 # [ 89.987700] RDX: 0000000000000012 RSI: 00007fbccdcca000 RDI: 0000000000000001 # [ 89.995682] RBP: 00007fbccdcca000 R08: 00007fbccdcc9010 R09: 0000000000000000 # [ 90.003661] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 90.011630] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.019610] irq event stamp: 0 # [ 90.023032] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.036230] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 90.051548] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 90.060694] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.067688] ---[ end trace 920d3aac2376713a ]--- # [ 90.072844] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 90.384662] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 90.393872] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 90.407152] lkdtm: Good: zero detected # [ 90.417597] lkdtm: Correctly stayed at zero # [ 90.428639] lkdtm: attempting bad refcount_add() from zero # [ 90.440816] ------------[ cut here ]------------ # [ 90.452301] refcount_t: addition on 0; use-after-free. # [ 90.464478] WARNING: CPU: 3 PID: 2355 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 90.479684] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 90.501949] CPU: 3 PID: 2355 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 90.516659] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 90.529504] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 90.541454] Code: 01 01 e8 ba 6b 98 00 0f 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 94 c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 # [ 90.568637] RSP: 0018:ffffa61502aa7e48 EFLAGS: 00010286 # [ 90.580665] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 90.594919] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 # [ 90.609018] RBP: ffffffff9458bfc3 R08: 0000000000000000 R09: 0000000000000000 # [ 90.623208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 90.637349] R13: ffffa61502aa7f10 R14: ffffa61502aa7f10 R15: ffff8c5bc408f000 # [ 90.651598] FS: 00007f8311eba580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 90.666752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 90.679407] CR[ 92.225868] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 92.238781] lkdtm: attempting bad refcount_dec() from saturated [ 92.245410] ------------[ cut here ]------------ 2: 00007f8311cc3000 CR3: 00000001029e0000 CR4: 00000000003506e0 [ 92.250591] refcount_t: decrement hit 0; leaking memory. # [ 90.693524] Call Trace: # [ 90.702489] lkdtm_REFCOUNT_[ 92.262743] WARNING: CPU: 2 PID: 2425 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 92.278299] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 92.294254] CPU: 2 PID: 2425 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 92.302903] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 92.309513] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 92.315396] Code: 50 79 52 94 c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 52 94 c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 92.336367] RSP: 0018:ffffa61502bbfe48 EFLAGS: 00010286 [ 92.342213] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 92.350179] RDX: ffff8c5c3bd2c660 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 [ 92.358149] RBP: ffffffff9458bfec R08: 0000000000000000 R09: 0000000000000000 [ 92.366117] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 92.374086] R13: ffffa61502bbff10 R14: ffffa61502bbff10 R15: ffff8c5bc4cd6000 [ 92.382060] FS: 00007fdafd3c1580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 92.391096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.397516] CR2: 00007fdafd1ca000 CR3: 00000001055c6000 CR4: 00000000003506e0 [ 92.405483] Call Trace: [ 92.408237] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 92.413700] direct_entry.cold+0x2c/0x38 [ 92.418101] full_proxy_write+0x56/0x80 [ 92.422404] vfs_write+0xea/0x3a0 [ 92.426115] ksys_write+0x68/0xf0 [ 92.429836] do_syscall_64+0x33/0x40 [ 92.433846] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 92.439499] RIP: 0033:0x7fdafd2d78f3 [ 92.443505] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 92.464461] RSP: 002b:00007ffd79395648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.472922] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdafd2d78f3 [ 92.480894] RDX: 0000000000000017 RSI: 00007fdafd1ca000 RDI: 0000000000000001 [ 92.488865] RBP: 00007fdafd1ca000 R08: 00007fdafd1c9010 R09: 0000000000000000 [ 92.496839] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 92.504810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 92.512800] irq event stamp: 0 [ 92.516221] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.523230] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ADD_ZERO+0x99/0xc1 # [ 90.713611] direct_entry.cold+0x2c/0x3[ 92.532373] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 8 # [ 90.724365] full_proxy_write+0x56/0x80 # [ 90.734666[ 92.547691] softirqs last disabled at (0): [<0000000000000000>] 0x0 ] vfs_write+0xea/0x3a0 # [ 90.744725] ksys_write+0x68/0xf0 [ 92.560885] ---[ end trace 920d3aac2376713d ]--- [ 92.572245] lkdtm: Saturation detected: still saturated # [ 90.754552] do_syscall_64+0x33/0x40 # [ 90.764743] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 90.776628] RIP: 0033:0x7f8311dd08f3 # [ 90.786770] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 90.813789] RSP: 002b:00007ffc45187a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 90.828366] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8311dd08f3 # [ 90.842689] RDX: 0000000000000012 RSI: 00007f8311cc3000 RDI: 0000000000000001 # [ 90.856697] RBP: 00007f8311cc3000 R08: 00007f8311cc2010 R09: 0000000000000000 # [ 90.870882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 90.885014] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 90.899169] irq event stamp: 0 # [ 90.908839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 90.921992] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 90.937351] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 90.952646] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 90.965888] ---[ end trace 920d3aac2376713b ]--- # [ 90.977225] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 91.323351] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 91.335694] lkdtm: attempting bad refcount_inc() from saturated # [ 91.348533] ------------[ cut here ]------------ # [ 91.359876] refcount_t: saturated; leaking memory. # [ 91.371479] WARNING: CPU: 3 PID: 2390 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 91.387124] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 91.409211] CPU: 3 PID: 2390 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 91.424028] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 91.436822] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 91.448872] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 52 94 c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 # [ 91.476005] RSP: 0018:ffffa61502b1fe48 EFLAGS: 00010286 # [ 91.488011] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 91.502171] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 # [ 91.516351] RBP: ffffffff9458bfd5 R08: 0000000000000000 R09: 0000000000000000 # [ 91.530511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 91.544707] R13: ffffa61502b1ff10 R14: ffffa61502b1ff10 R15: ffff8c5bc27b0000 # [ 91.558858] FS: 00007f39fa4c8580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 91.574106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 91.586701] CR2: 00007f39fa2d1000 CR3: 00000001027f8000 CR4: 00000000003506e0 # [ 91.600870] Call Trace: # [ 91.609878] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 91.621752] direct_entry.cold+0x2c/0x38 # [ 91.63[ 92.899496] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 2123] full_proxy_write+0x56/0x80 # [ 91.642760] vfs_write+0[ 92.907393] lkdtm: attempting bad refcount_dec() from saturated xea/0x3a0 # [ 91.652652] ksys_write+0x68/0xf0 # [ 91.6624[ 92.920241] ------------[ cut here ]------------ 79] do_syscall_64+0x33/0x40 # [ 91.672554] entry_SYSCALL_64[ 92.931618] refcount_t: saturated; leaking memory. _after_hwframe+0x61/0xc6 # [ 91.684502] RIP: 0033:0x7f39fa3de[ 92.943193] WARNING: CPU: 3 PID: 2460 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 8f3 # [ 91.694598] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 [ 92.959031] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7[ 92.980967] CPU: 3 PID: 2460 Comm: cat Tainted: G D W 5.10.153-cip19 #1 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 [ 92.995927] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00 48 83 ec 28 48 89 54 24 18 # [ 91.721878] RSP: 002b:00007f[ 93.008664] RIP: 0010:refcount_warn_saturate+0x51/0x110 fd415799e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 91[ 93.020664] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 52 94 c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 .736407] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f[ 93.047841] RSP: 0018:ffffa61502c37e48 EFLAGS: 00010286 39fa3de8f3 # [ 91.750620] RDX: 0000000000000017 RSI: 00007f39[ 93.059714] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 fa2d1000 RDI: 0000000000000001 # [ 91.764735] RBP: 00007f39fa[ 93.074041] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 2d1000 R08: 00007f39fa2d0010 R09: 0000000000000000 # [ 91.778[ 93.088124] RBP: ffffffff9458c003 R08: 0000000000000000 R09: 0000000000000000 948] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000[ 93.102288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 000001 # [ 91.793072] R13: 0000000000000001 R14: 000000000002[ 93.116454] R13: ffffa61502c37f10 R14: ffffa61502c37f10 R15: ffff8c5bc26e4000 0000 R15: 0000000000020000 # [ 91.807265] irq event stamp: 0 [ 93.130496] FS: 00007f3d8aa46580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 91.816844] hardirqs last enabled at (0): [<0000000000000[ 93.145692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000>] 0x0 # [ 91.830188] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 91.845463] soft[ 93.172475] Call Trace: irqs last enabled at (0): [] copy_process+0x6[ 93.181421] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 40/0x1c80 # [ 91.860831] softirqs last disabled at (0): [<000[ 93.193096] direct_entry.cold+0x2c/0x38 0000000000000>] 0x0 # [ 91.873863] ---[ end trace 920d3aac237[ 93.203643] full_proxy_write+0x56/0x80 6713c ]--- # [ 91.885340] lkdtm: Saturation detected: still s[ 93.214121] vfs_write+0xea/0x3a0 aturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: st[ 93.224049] ksys_write+0x68/0xf0 ill saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURAT[ 93.233927] do_syscall_64+0x33/0x40 ED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 92.2[ 93.244116] entry_SYSCALL_64_after_hwframe+0x61/0xc6 25868] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 93.256024] RIP: 0033:0x7f3d8a95c8f3 [ 92.238781] lkdtm: attempting bad refcount_dec() from saturat[ 93.266191] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ed # [ 92.245410] ------------[ cut here ]------------ # [ [ 93.293324] RSP: 002b:00007fff50e459a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 92.250591] refcount_t: decrement hit 0; leaking memory. # [ [ 93.307965] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3d8a95c8f3 92.262743] WARNING: CPU: 2 PID: 2425 at lib/refcount.c:31 refcou[ 93.322165] RDX: 0000000000000017 RSI: 00007f3d8a84f000 RDI: 0000000000000001 nt_warn_saturate+0xfb/0x110 # [ 92.278299] Modules linked in:[ 93.336310] RBP: 00007f3d8a84f000 R08: 00007f3d8a84e010 R09: 0000000000000000 fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar[ 93.350489] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notif[ 93.364638] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 y # [ 92.294254] CPU: 2 PID: 2425 Comm: cat Tainted: G D[ 93.378828] irq event stamp: 0 W 5.10.153-cip19 #1 # [ 92.302903] Hardware name: Go[ 93.388451] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ogle Coral/Coral, BIOS 09/29/2020 # [ 92.309513] RIP: 0010:r[ 93.401625] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 efcount_warn_saturate+0xfb/0x110 # [ 92.315396] Code: 50 79 5[ 93.416961] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 2 94 c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48[ 93.432264] softirqs last disabled at (0): [<0000000000000000>] 0x0 c7 c7 20 79 52 94 c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c[ 93.445466] ---[ end trace 920d3aac2376713e ]--- 3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ [ 93.456842] lkdtm: Saturation detected: still saturated 92.336367] RSP: 0018:ffffa61502bbfe48 EFLAGS: 00010286 # [ 92.342213] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 92.350179] RDX: ffff8c5c3bd2c660 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 # [ 92.358149] RBP: ffffffff9458bfec R08: 0000000000000000 R09: 0000000000000000 # [ 92.366117] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 92.374086] R13: ffffa61502bbff10 R14: ffffa61502bbff10 R15: ffff8c5bc4cd6000 # [ 92.382060] FS: 00007fdafd3c1580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 92.391096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 92.397516] CR2: 00007fdafd1ca000 CR3: 00000001055c6000 CR4: 00000000003506e0 # [ 92.405483] Call Trace: # [ 92.408237] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 92.413700] direct_entry.cold+0x2c/0x38 # [ 92.418101] full_proxy_write+0x56/0x80 # [ 92.422404] vfs_write+0xea/0x3a0 # [ 92.426115] ksys_write+0x68/0xf0 # [ 92.429836] do_syscall_64+0x33/0x40 # [ 92.433846] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 92.439499] RIP: 0033:0x7fdafd2d78f3 # [ 92.443505] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 92.464461] RSP: 002b:00007ffd79395648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 92.472922] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdafd2d78f3 # [ 92.480894] RDX: 0000000000000017 RSI: 00007fdafd1ca000 RDI: 0000000000000001 # [ 92.488865] RBP: 00007fdafd1ca000 R08: 00007fdafd1c9010 R09: 0000000000000000 # [ 92.496839] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 92.504810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 92.512800] irq event stamp: 0 # [ 92.516221] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 92.523230] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 92.532373] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 92.547691] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 92.560885] ---[ end trace 920d3aac2376713d ]--- # [ 92.572245] 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 # [ 92.899496] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 92.907393] lkdtm: attempting bad refcount_dec() from saturated # [ 92.920241] ------------[ cut here ]------------ # [ 92.931618] refcount_t: saturated; leaking memory. # [ 92.943193] WARNING: CPU: 3 PID: 2460 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 92.959031] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 92.980967] CPU: 3 PID: 2460 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 92.995927] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.008664] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 93.020664] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 52 94 c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 52 # [ 93.047841] RSP: 0018:ffffa61502c37e48 EFLAGS: 00010286 # [ 93.059714] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 93.074041] [ 93.819728] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 93.829760] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 93.837262] ------------[ cut here ]------------ [ 93.842426] refcount_t: saturated; leaking memory. [ 93.847826] WARNING: CPU: 0 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 93.857247] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 93.873193] CPU: 0 PID: 2492 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 93.881845] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 93.888462] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 93.894305] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 94 c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 [ 93.915236] RSP: 0018:ffffa61502c97e38 EFLAGS: 00010282 [ 93.921071] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 93.929042] RDX: ffff8c5c3bc2c660 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 [ 93.937012] RBP: ffffffff9458bc30 R08: 0000000000000000 R09: 0000000000000000 [ 93.944984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 93.952951] R13: ffffa61502c97f10 R14: ffffa61502c97f10 R15: ffff8c5bc3b67000 [ 93.960924] FS: 00007f0e989c4580(0000) GS:ffff8c5c3bc00000(0000) knlGS:0000000000000000 [ 93.969962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.976381] CR2: 00007f0e987cd000 CR3: 0000000104088000 CR4: 00000000003506f0 [ 93.984348] Call Trace: [ 93.987100] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 93.993231] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 93.999557] direct_entry.cold+0x2c/0x38 [ 94.003952] full_proxy_write+0x56/0x80 [ 94.008256] vfs_write+0xea/0x3a0 [ 94.011973] ksys_write+0x68/0xf0 [ 94.015691] do_syscall_64+0x33/0x40 [ 94.019699] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 94.025353] RIP: 0033:0x7f0e988da8f3 [ 94.029364] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.050302] RSP: 002b:00007ffe82e0cc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.058760] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0e988da8f3 [ 94.066724] RDX: 0000000000000020 RSI: 00007f0e987cd000 RDI: 0000000000000001 [ 94.074701] RBP: 00007f0e987cd000 R08: 00007f0e987cc010 R09: 0000000000000000 [ 94.082676] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 94.090646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf7[ 94.098628] irq event stamp: 0 0 # [ 93.088124] RBP: ffffffff9458c003 R08: 0000000000000000 [ 94.108222] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R09: 0000000000000000 # [ 93.102288] R10: 00000000ffffe000 R1[ 94.121405] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 94.136724] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 94.145866] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.152869] ---[ end trace 920d3aac2376713f ]--- [ 94.158028] lkdtm: Saturation detected: still saturated 1: 3fffffffffffffff R12: 0000000000000017 # [ 93.116454] R13: ffffa61502c37f10 R14: ffffa61502c37f10 R15: ffff8c5bc26e4000 # [ 93.130496] FS: 00007f3d8aa46580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 93.145692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 93.158381] CR2: 00007f3d8a84f000 CR3: 000000010400c000 CR4: 00000000003506e0 # [ 93.172475] Call Trace: # [ 93.181421] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 93.193096] direct_entry.cold+0x2c/0x38 # [ 93.203643] full_proxy_write+0x56/0x80 # [ 93.214121] vfs_write+0xea/0x3a0 # [ 93.224049] ksys_write+0x68/0xf0 # [ 93.233927] do_syscall_64+0x33/0x40 # [ 93.244116] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 93.256024] RIP: 0033:0x7f3d8a95c8f3 # [ 93.266191] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 93.293324] RSP: 002b:00007fff50e459a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 93.307965] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3d8a95c8f3 # [ 93.322165] RDX: 0000000000000017 RSI: 00007f3d8a84f000 RDI: 0000000000000001 # [ 93.336310] RBP: 00007f3d8a84f000 R08: 00007f3d8a84e010 R09: 0000000000000000 # [ 93.350489] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 93.364638] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 93.378828] irq event stamp: 0 # [ 93.388451] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 93.401625] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 93.416961] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 93.432264] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 93.445466] ---[ end trace 920d3aac2376713e ]--- # [ 93.456842] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 93.819728] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 93.829760] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 93.837262] ------------[ cut here ]------------ # [ 93.842426] refcount_t: saturated; leaking memory. # [ 93.847826] WARNING: CPU: 0 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 93.857247] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 93.873193] CPU: 0 PID: 2492 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 93.881845] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 93.888462] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 93.894305] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 94 c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 # [ 93.915236] RSP: 0018:ffffa61502c97e38 EFLAGS: 00010282 # [ 93.921071] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 93.929042] RDX:[ 94.485573] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED ffff8c5c3bc2c660 RSI: ffff8c5c3bc1bf70 RDI: ffff8c5c3bc1bf70 #[ 94.493869] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 93.937012] RBP: ffffffff9458bc30 R08: 0000000000000000 R09:[ 94.507567] ------------[ cut here ]------------ 0000000000000000 # [ 93.944984] R10: 00000000ffffe000 R11: 3[ 94.518940] refcount_t: saturated; leaking memory. fffffffffffffff R12: 0000000000000020 # [ 93.952951] R13: fff[ 94.530530] WARNING: CPU: 1 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 fa61502c97f10 R14: ffffa61502c97f10 R15: ffff8c5bc3b67000 # [ [ 94.546118] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 93.960924] FS: 00007f0e989c4580(0000) GS:ffff8c5c3bc00000(0000[ 94.568293] CPU: 1 PID: 2524 Comm: cat Tainted: G D W 5.10.153-cip19 #1 ) knlGS:0000000000000000 # [ 93.969962] CS: 0010 DS: 0000 ES[ 94.583134] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 94.595957] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 94.601806] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 94 c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 [ 94.622761] RSP: 0018:ffffa61502cf7e38 EFLAGS: 00010282 [ 94.628620] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 94.636595] RDX: ffff8c5c3bcac660 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 [ 94.644570] RBP: ffffffff9458bc50 R08: 0000000000000000 R09: 0000000000000000 [ 94.652540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 94.660510] R13: ffffa61502cf7f10 R14: ffffa61502cf7f10 R15: ffff8c5bc265a000 [ 94.668481] FS: 00007f747e5b8580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 [ 94.677513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.683938] CR2: 00007f747e3c1000 CR3: 0000000104f6a000 CR4: 00000000003506e0 [ 94.691910] Call Trace: [ 94.694663] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 94.700809] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 94.707146] direct_entry.cold+0x2c/0x38 [ 94.711542] full_proxy_write+0x56/0x80 : 0000 CR0: 0000000080050033 # [ 93.976381] CR2: 00007f0e987c[ 94.715842] vfs_write+0xea/0x3a0 [ 94.725755] ksys_write+0x68/0xf0 [ 94.729470] do_syscall_64+0x33/0x40 [ 94.733479] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 94.739131] RIP: 0033:0x7f747e4ce8f3 [ 94.743135] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 94.764081] RSP: 002b:00007ffe30d60f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 94.772540] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f747e4ce8f3 [ 94.780518] RDX: 0000000000000020 RSI: 00007f747e3c1000 RDI: 0000000000000001 d000 CR3: 0000000104088000 CR4: 00000000003506f0 # [ 93.98434[ 94.788489] RBP: 00007f747e3c1000 R08: 00007f747e3c0010 R09: 0000000000000000 [ 94.802656] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 94.810629] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8] Call Trace: # [ 93.987100] __refcount_add_not_zero.constp[ 94.818617] irq event stamp: 0 [ 94.828248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 94.835259] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 94.844399] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 94.853541] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 94.860550] ---[ end trace 920d3aac23767140 ]--- [ 94.865717] lkdtm: Saturation detected: still saturated rop.0+0x2a/0x35 # [ 93.993231] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 93.999557] direct_entry.cold+0x2c/0x38 # [ 94.003952] full_proxy_write+0x56/0x80 # [ 94.008256] vfs_write+0xea/0x3a0 # [ 94.011973] ksys_write+0x68/0xf0 # [ 94.015691] do_syscall_64+0x33/0x40 # [ 94.019699] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 94.025353] RIP: 0033:0x7f0e988da8f3 # [ 94.029364] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.050302] RSP: 002b:00007ffe82e0cc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.058760] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0e988da8f3 # [ 94.066724] RDX: 0000000000000020 RSI: 00007f0e987cd000 RDI: 0000000000000001 # [ 94.074701] RBP: 00007f0e987cd000 R08: 00007f0e987cc010 R09: 0000000000000000 # [ 94.082676] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 94.090646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.098628] irq event stamp: 0 # [ 94.108222] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.121405] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 94.136724] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 94.145866] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.152869] ---[ end trace 920d3aac2376713f ]--- # [ 94.158028] 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 # [ 94.485573] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 94.493869] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 94.507567] ------------[ cut here ]------------ # [ 94.518940] refcount_t: saturated; leaking memory. # [ 94.530530] WARNING: CPU: 1 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 94.546118] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 94.568293] CPU: 1 PID: 2524 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 94.583134] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 94.595957] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 94.601806] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 52 94 c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 # [ 94.622761] RSP: 0018:ffffa61502cf7e38 EFLAGS: 00010282 # [ 94.628620] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 94.636595] RDX: ffff8c5c3bcac660 RSI: ffff8c5c3bc9bf70 RDI: ffff8c5c3bc9bf70 # [ 94.644570] RBP: ffffffff9458bc50 R08: 0000000000000000 R09: 0000000000000000 # [ 94.652540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 94.660510] R13: ffffa61502cf7f10 R14: ffffa61502cf7f10 R15: ffff8c5bc265a000 # [ 94.668481] FS: 00007f747e5b8580(0000) GS:ffff8c5c3bc80000(0000) knlGS:0000000000000000 # [ 94.677513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 94.683938] CR2: 00007f747e3c1000 CR3: 0000000104f6a000 CR4: 00000000003506e0 # [ 94.691910[ 95.206790] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 95.220048] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 95.227560] ------------[ cut here ]------------ ] Call Trace: # [ 94.694663] __refcount_add_not_zero.constpr[ 95.232720] refcount_t: underflow; use-after-free. op.0+0x2a/0x35 # [ 94.700809] lkdtm_REFCOUNT_ADD_NOT_ZERO_SA[ 95.244309] WARNING: CPU: 2 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 TURATED+0x3e/0x76 # [ 94.707146] direct_entry.cold+0x2c/0x38[ 95.259869] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 95.282002] CPU: 2 PID: 2560 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 95.290714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 95.297374] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 95.303222] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 94 c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 [ 95.324163] RSP: 0018:ffffa61502d77e40 EFLAGS: 00010286 [ 95.330009] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 95.337971] RDX: ffff8c5c3bd2c660 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 [ 95.345943] RBP: ffffffff9458bc70 R08: 0000000000000000 R09: 0000000000000000 [ 95.353915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 95.361890] R13: ffffa61502d77f10 R14: ffffa61502d77f10 R15: ffff8c5bc4c3e000 [ 95.369865] FS: 00007f530c9e9580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 [ 95.378906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.385332] CR2: 00007f530c7f2000 CR3: 0000000103cdc000 CR4: 00000000003506e0 [ 95.393298] Call Trace: [ 95.396044] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 95.402185] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 95.408520] direct_entry.cold+0x2c/0x38 [ 95.412909] full_proxy_write+0x56/0x80 [ 95.417211] vfs_write+0xea/0x3a0 [ 95.420932] ksys_write+0x68/0xf0 [ 95.424651] do_syscall_64+0x33/0x40 [ 95.428660] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 95.434315] RIP: 0033:0x7f530c8ff8f3 [ 95.438322] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 95.459274] RSP: 002b:00007fffd4487ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.467735] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f530c8ff8f3 [ 95.475707] RDX: 0000000000000020 RSI: 00007f530c7f2000 RDI: 0000000000000001 [ 95.483680] RBP: 00007f530c7f2000 R08: 00007f530c7f1010 R09: 0000000000000000 [ 95.491653] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 95.499625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.711542] full_proxy_write+0x56/0x80 # [ 94.715842][ 95.507606] irq event stamp: 0 vfs_write+0xea/0x3a0 # [ 94.725755] ksys_write+0x68/0xf0 [ 95.517205] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 95.530410] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 95.539559] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 95.548700] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 95.555708] ---[ end trace 920d3aac23767141 ]--- # [ 94.729470] do_syscall_64+0x33/0x40 # [ 94.733479] ent[ 95.560876] lkdtm: Saturation detected: still saturated ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 94.739131] RIP: 0033:0x7f747e4ce8f3 # [ 94.743135] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 94.764081] RSP: 002b:00007ffe30d60f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 94.772540] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f747e4ce8f3 # [ 94.780518] RDX: 0000000000000020 RSI: 00007f747e3c1000 RDI: 0000000000000001 # [ 94.788489] RBP: 00007f747e3c1000 R08: 00007f747e3c0010 R09: 0000000000000000 # [ 94.802656] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 94.810629] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 94.818617] irq event stamp: 0 # [ 94.828248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 94.835259] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 94.844399] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 94.853541] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 94.860550] ---[ end trace 920d3aac23767140 ]--- # [ 94.865717] 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 # [ 95.206790] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 95.220048] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 95.227560] ------------[ cut here ]------------ # [ 95.232720] refcount_t: underflow; use-after-free. # [ 95.244309] WARNING: CPU: 2 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 95.259869] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 95.282002] CPU: 2 PID: 2560 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 95.290714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 95.297374] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 95.303222] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 94 c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 95.324163] RSP: 0018:ffffa61502d77e40 EFLAGS: 00010286 # [ 95.330009] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 95.337971] RDX: ffff8c5c3bd2c660 RSI: ffff8c5c3bd1bf70 RDI: ffff8c5c3bd1bf70 # [ 95.345943] RBP: ffffffff9458bc70 R08: 0000000000000000 R09: 0000000000000000 # [ 95.353915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 95.361890] R13: ffffa61502d77f10 R14: ffffa61502d77f10 R15: ffff8c5bc4c3e000 # [ 95.369865] FS: 00007f530c9e9580(0000) GS:ffff8c5c3bd00000(0000) knlGS:0000000000000000 # [ 95.378906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 95.385332] CR2: 00007f530c7f2000 CR3: 0000000103cdc000 CR4: 00000000003506e0 # [ 95.393298] Call Trace: # [ 95.396044] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 95.402185] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 95.408520] direct_entry.cold+0x2c/0x38 # [ 95.412909] full_proxy_write+0x56/0x80 # [ 95.417211] vfs_write+0xea/0x3a0 # [ 95.420932] ksys_write+0x68/0xf0 # [ 95.424651] do_syscall_64+0x33/0x40 # [ 95.428660] entr[ 95.915300] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED y_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 95.434315] RIP: 0033[ 95.927896] lkdtm: attempting bad refcount_sub_and_test() from saturated :0x7f530c8ff8f3 # [ 95.438322] Code: 8b 15 a1 25 0e 00 f7 d8 [ 95.941615] ------------[ cut here ]------------ 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0[ 95.952998] refcount_t: underflow; use-after-free. 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 95.964585] WARNING: CPU: 3 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 95.459274] RSP:[ 95.980388] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 002b:00007fffd4487ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 96.002358] CPU: 3 PID: 2595 Comm: cat Tainted: G D W 5.10.153-cip19 #1 01 # [ 95.467735] RAX: ffffffffffffffda RBX: 0000000000000020[ 96.017289] Hardware name: Google Coral/Coral, BIOS 09/29/2020 RCX: 00007f530c8ff8f3 # [ 95.475707] RDX: 0000000000000020 R[ 96.030094] RIP: 0010:refcount_warn_saturate+0xba/0x110 SI: 00007f530c7f2000 RDI: 0000000000000001 # [ 95.483680] RBP[ 96.042071] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 94 c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 : 00007f530c7f2000 R08: 00007f530c7f1010 R09: 0000000000000000 [ 96.069211] RSP: 0018:ffffa61502defe40 EFLAGS: 00010286 # [ 95.491653] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 96.081244] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 : 0000000000000001 # [ 95.499625] R13: 0000000000000001 R14: [ 96.095322] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 0000000000020000 R15: 0000000000020000 # [ 95.507606] irq eve[ 96.109520] RBP: ffffffff9458bc90 R08: 0000000000000000 R09: 0000000000000000 nt stamp: 0 # [ 95.517205] hardirqs last enabled at (0): [<0[ 96.123661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 000000000000000>] 0x0 # [ 95.530410] hardirqs last disabled a[ 96.137853] R13: ffffa61502deff10 R14: ffffa61502deff10 R15: ffff8c5bc548b000 t (0): [] copy_process+0x640/0x1c80 # [ 95.[ 96.151981] FS: 00007f8e13fad580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 539559] softirqs last enabled at (0): [] copy[ 96.167240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _process+0x640/0x1c80 # [ 95.548700] softirqs last disabled a[ 96.179818] CR2: 00007f8e13db6000 CR3: 0000000103f74000 CR4: 00000000003506e0 t (0): [<0000000000000000>] 0x0 # [ 95.555708] ---[ end trace[ 96.194010] Call Trace: 920d3aac23767141 ]--- # [ 95.560876] lkdtm: Saturation detec[ 96.202936] __refcount_sub_and_test.constprop.0+0x3c/0x50 ted: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Sa[ 96.215246] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 turation detected: still saturated': ok ok 57 selftests: lkdtm:[ 96.227740] direct_entry.cold+0x2c/0x38 REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUN[ 96.238313] full_proxy_write+0x56/0x80 T_SUB_AND_TEST_SATURATED.sh [ 96.248852] vfs_write+0xea/0x3a0 [ 96.255336] ksys_write+0x68/0xf0 [ 96.259156] do_syscall_64+0x33/0x40 [ 96.263238] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 96.269001] RIP: 0033:0x7f8e13ec38f3 [ 96.273086] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 96.294195] RSP: 002b:00007fff03ab6148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.302740] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8e13ec38f3 [ 96.310865] RDX: 0000000000000020 RSI: 00007f8e13db6000 RDI: 0000000000000001 [ 96.318905] RBP: 00007f8e13db6000 R08: 00007f8e13db5010 R09: 0000000000000000 [ 96.326989] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 96.335042] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 96.343140] irq event stamp: 0 [ 96.346628] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 96.353767] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 96.363026] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 96.372358] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 96.379587] ---[ end trace 920d3aac23767142 ]--- [ 96.384991] lkdtm: Saturation detected: still saturated # [ 95.915300] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 95.927896] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 95.941615] ------------[ cut here ]------------ # [ 95.952998] refcount_t: underflow; use-after-free. # [ 95.964585] WARNING: CPU: 3 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 95.980388] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sysfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 96.002358] CPU: 3 PID: 2595 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 96.017289] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 96.030094] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 96.042071] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 52 94 c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 96.069211] RSP: 0018:ffffa61502defe40 EFLAGS: 00010286 # [ 96.081244] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 96.095322] RDX: ffff8c5c3bdac660 RSI: ffff8c5c3bd9bf70 RDI: ffff8c5c3bd9bf70 # [ 96.109520] RBP: ffffffff9458bc90 R08: 0000000000000000 R09: 0000000000000000 # [ 96.123661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 96.137853] R13: ffffa61502deff10 R14: ffffa61502deff10 R15: ffff8c5bc548b000 # [ 96.151981] FS: 00007f8e13fad580(0000) GS:ffff8c5c3bd80000(0000) knlGS:0000000000000000 # [ 96.167240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 96.179818] CR2: 00007f8e13db6000 CR3: 0000000103f74000 CR4: 00000000003506e0 # [ 96.194010] Call Trace: # [ 96.202936] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 96.215246] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 96.227740] direct_entry.cold+0x2c/0x38 # [ 96.238313] full_proxy_write+0x56/0x80 # [ 96.248852] vfs_write+0xea/0x3a0 # [ 96.255336] ksys_write+0x68/0xf0 # [ 96.259156] do_syscall_64+0x33/0x40 # [ 96.263238] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 96.269001] RIP: 0033:0x7f8e13ec38f3 # [ 96.273086] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 96.294195] RSP: 002b:00007fff03ab6148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 96.302740] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8e13ec38f3 # [ 96.310865] RDX: 0000000000000020 RSI: 00007f8e13db6000 RDI: 0000000000000001 # [ 96.318905] RBP: 00007f8e13db6000 R08: 00007f8e13db5010 R09: 0000000000000000 # [ 96.326989] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 96.335042] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 96.343140] irq event stamp: 0 # [ 96.346628] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 96.353767] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 96.363026] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 96.372358] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 96.379587] ---[ end trace 920d3aac23767142 ]--- # [ 96.384991] 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 [ 97.001323] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 97.008081] lkdtm: attempting good copy_to_user of correct size [ 97.014731] lkdtm: attempting bad copy_to_user of too large size # [ 97.001323] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 97.008081] lkdtm: attempting good copy_to_user of correct size # [ 97.014731] 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 [ 97.370244] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 97.377181] lkdtm: attempting good copy_from_user of correct size [ 97.384052] lkdtm: attempting bad copy_from_user of too large size # [ 97.370244] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 97.377181] lkdtm: attempting good copy_from_user of correct size # [ 97.384052] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh [ 97.723099] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 97.730341] lkdtm: attempting good copy_to_user inside whitelist [ 97.737109] lkdtm: attempting bad copy_to_user outside whitelist # [ 97.723099] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 97.730341] lkdtm: attempting good copy_to_user inside whitelist # [ 97.737109] 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 [ 98.073977] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 98.081405] lkdtm: attempting good copy_from_user inside whitelist [ 98.088371] lkdtm: attempting bad copy_from_user outside whitelist # [ 98.073977] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 98.081405] lkdtm: attempting good copy_from_user inside whitelist # [ 98.088371] 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 [ 98.423903] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 98.430830] lkdtm: good_stack: ffffa615030efe20-ffffa615030efe40 [ 98.437550] lkdtm: bad_stack : ffffa615030efda8-ffffa615030efdc8 [ 98.444658] lkdtm: attempting good copy_to_user of local stack [ 98.451610] lkdtm: attempting bad copy_to_user of distant stack # [ 98.423903] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 98.430830] lkdtm: good_stack: ffffa615030efe20-ffffa615030efe40 # [ 98.437550] lkdtm: bad_stack : ffffa615030efda8-ffffa615030efdc8 # [ 98.444658] lkdtm: attempting good copy_to_user of local stack # [ 98.451610] 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 [ 98.800282] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 98.807427] lkdtm: good_stack: ffffa61503167e20-ffffa61503167e40 [ 98.814161] lkdtm: bad_stack : ffffa61503167da8-ffffa61503167dc8 [ 98.820906] lkdtm: attempting good copy_from_user of local stack [ 98.827637] lkdtm: attempting bad copy_from_user of distant stack # [ 98.800282] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 98.807427] lkdtm: good_stack: ffffa61503167e20-ffffa61503167e40 # [ 98.814161] lkdtm: bad_stack : ffffa61503167da8-ffffa61503167dc8 # [ 98.820906] lkdtm: attempting good copy_from_user of local stack # [ 98.827637] 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 [ 99.165072] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 99.171808] lkdtm: good_stack: ffffa61503227e20-ffffa61503227e40 [ 99.178541] lkdtm: bad_stack : ffffa61503227ff8-ffffa61503228018 [ 99.185300] lkdtm: attempting good copy_to_user of local stack [ 99.191859] lkdtm: attempting bad copy_to_user of distant stack [ 99.198501] lkdtm: copy_to_user failed, but lacked Oops # [ 99.165072] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 99.171808] lkdtm: good_stack: ffffa61503227e20-ffffa61503227e40 # [ 99.178541] lkdtm: bad_stack : ffffa61503227ff8-ffffa61503228018 # [ 99.185300] lkdtm: attempting good copy_to_user of local stack # [ 99.191859] lkdtm: attempting bad copy_to_user of distant stack # [ 99.198501] 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 [ 99.539197] lkdtm: Performing direct entry USERCOPY_KERNEL [ 99.545376] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9419c210 [ 99.554085] lkdtm: attempting bad copy_to_user from kernel text: ffffffff92ee31f0 [ 99.562459] lkdtm: FAIL: survived bad copy_to_user() # [ 99.539197] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 99.545376] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9419c210 # [ 99.554085] lkdtm: attempting bad copy_to_user from kernel text: ffffffff92ee31f0 # [ 99.562459] 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 [ 99.906276] lkdtm: Performing direct entry STACKLEAK_ERASING [ 99.912623] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 99.920551] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 99.928332] lkdtm: FAIL: the thread stack is NOT properly erased [ 99.935060] CPU: 0 PID: 2960 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 99.943682] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 99.950275] Call Trace: [ 99.953018] dump_stack+0x77/0x9b [ 99.956714] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 99.961859] direct_entry.cold+0x2c/0x38 [ 99.966233] full_proxy_write+0x56/0x80 [ 99.970509] vfs_write+0xea/0x3a0 [ 99.974205] ksys_write+0x68/0xf0 [ 99.977901] do_syscall_64+0x33/0x40 [ 99.981884] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 99.987514] RIP: 0033:0x7fa7c4e938f3 [ 99.991503] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 100.012420] RSP: 002b:00007ffe178234c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.020857] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa7c4e938f3 [ 100.028802] RDX: 0000000000000012 RSI: 00007fa7c4d86000 RDI: 0000000000000001 [ 100.036748] RBP: 00007fa7c4d86000 R08: 00007fa7c4d85010 R09: 0000000000000000 [ 100.044693] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 100.052636] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 99.906276] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 99.912623] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 99.920551] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 99.928332] lkdtm: FAIL: the thread stack is NOT properly erased # [ 99.935060] CPU: 0 PID: 2960 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 99.943682] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 99.950275] Call Trace: # [ 99.953018] dump_stack+0x77/0x9b # [ 99.956714] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 99.961859] direct_entry.cold+0x2c/0x38 # [ 99.966233] full_proxy_write+0x56/0x80 # [ 99.970509] vfs_write+0xea/0x3a0 # [ 99.974205] ksys_write+0x68/0xf0 # [ 99.977901] do_syscall_64+0x33/0x40 # [ 99.981884] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 99.987514] RIP: 0033:0x7fa7c4e938f3 # [ 99.991503] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 100.012420] RSP: 002b:00007ffe178234c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 100.020857] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa7c4e938f3 # [ 100.028802] RDX: 0000000000000012 RSI: 00007fa7c4d86000 RDI: 0000000000000001 # [ 100.036748] RBP: 00007fa7c4d86000 R08: 00007fa7c4d85010 R09: 0000000000000000 # [ 100.044693] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 100.052636] 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 [ 100.394995] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 100.401335] lkdtm: Calling matched prototype ... [ 100.406500] lkdtm: Calling mismatched prototype ... [ 100.411950] lkdtm: Fail: survived mismatched prototype function call! # [ 100.394995] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 100.401335] lkdtm: Calling matched prototype ... # [ 100.406500] lkdtm: Calling mismatched prototype ... # [ 100.411950] 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 / #