[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_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 102547 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 31 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 269080 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 00:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 00:10: enabled 1 I2C: 00:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 00:15: enabled 1 I2C: 00:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 00:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 1 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 00:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 00:10: enabled 1 I2C: 00:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 00:15: enabled 1 I2C: 00:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 00:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 1 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/5af0] enabled PCI: 00:00.1 [8086/5a8c] enabled PCI: 00:00.2 [8086/5a8e] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/5a84] enabled PCI: 00:03.0 [8086/5a88] enabled PCI: 00:0d.0 [8086/0000] ops PCI: 00:0d.0 [8086/5a92] enabled PCI: 00:0d.1 [8086/0000] ops PCI: 00:0d.1 [8086/5a94] enabled PCI: 00:0d.2 [8086/5a96] enabled PCI: 00:0d.3 [8086/0000] ops PCI: 00:0d.3 [8086/5aec] enabled PCI: 00:0e.0 [8086/0000] bus ops PCI: 00:0e.0 [8086/5a98] enabled PCI: 00:0f.0 [8086/0000] ops PCI: 00:0f.0 [8086/5a9a] enabled PCI: 00:0f.1 [8086/5a9c] enabled PCI: 00:0f.2 [8086/5a9e] enabled Capability: type 0x10 @ 0x40 Capability: type 0x05 @ 0x80 Capability: type 0x0d @ 0x90 Capability: type 0x01 @ 0xa0 Capability: type 0x10 @ 0x40 PCI: 00:14.0 subordinate bus PCI Express PCI: 00:14.0 [8086/5ad6] enabled PCI: 00:15.0 [8086/0000] ops PCI: 00:15.0 [8086/5aa8] enabled PCI: 00:16.0 [8086/0000] bus ops PCI: 00:16.0 [8086/5aac] enabled PCI: 00:16.1 [8086/0000] bus ops PCI: 00:16.1 [8086/5aae] enabled PCI: 00:16.2 [8086/0000] bus ops PCI: 00:16.2 [8086/5ab0] enabled PCI: 00:16.3 [8086/0000] bus ops PCI: 00:16.3 [8086/5ab2] enabled PCI: 00:17.0 [8086/0000] bus ops PCI: 00:17.0 [8086/5ab4] enabled PCI: 00:17.1 [8086/0000] bus ops PCI: 00:17.1 [8086/5ab6] enabled PCI: 00:18.0 [8086/0000] ops PCI: 00:18.0 [8086/5abc] enabled PCI: 00:18.1 [8086/0000] ops PCI: 00:18.1 [8086/5abe] enabled PCI: 00:18.2 [8086/0000] ops PCI: 00:18.2 [8086/5ac0] enabled PCI: 00:19.0 [8086/5ac2] enabled PCI: Static device PCI: 00:1a.0 not found, disabling it. PCI: 00:1b.0 [8086/0000] ops PCI: 00:1b.0 [8086/5aca] enabled PCI: 00:1c.0 [8086/5acc] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/5ae8] enabled PCI: 00:1f.1 [8086/5ad4] enabled PCI: 00:0e.0 scanning... GENERIC: 0.0 enabled scan_bus: scanning of bus PCI: 00:0e.0 took 4862 usecs PCI: 00:14.0 scanning... do_pci_scan_bridge for PCI: 00:14.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 20 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:14.0 took 52889 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 14104 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 10014 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 14131 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 18219 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 18212 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 14091 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 11284 usecs scan_bus: scanning of bus DOMAIN: 0000 took 392674 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 412708 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 2024-02-29 08:36:00 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2024-02-29 08:36:00 UTC ELOG: Event(AA) added with size 11 at 2024-02-29 08:36:00 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 703257 exit 96609 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 2961949 exit 0 Enabling resources... PCI: 00:00.0 cmd <- 07 PCI: 00:00.1 subsystem <- 8086/5a8c PCI: 00:00.1 cmd <- 02 PCI: 00:00.2 subsystem <- 8086/5a8e PCI: 00:00.2 cmd <- 06 PCI: 00:02.0 cmd <- 03 PCI: 00:03.0 subsystem <- 8086/5a88 PCI: 00:03.0 cmd <- 02 PCI: 00:0d.1 cmd <- 07 PCI: 00:0d.2 subsystem <- 8086/5a96 PCI: 00:0d.2 cmd <- 406 PCI: 00:0d.3 cmd <- 06 PCI: 00:0e.0 cmd <- 02 PCI: 00:0f.0 cmd <- 06 PCI: 00:0f.1 cmd <- 06 PCI: 00:0f.2 cmd <- 06 PCI: 00:14.0 bridge ctrl <- 0003 PCI: 00:14.0 cmd <- 06 PCI: 00:15.0 cmd <- 02 PCI: 00:16.0 cmd <- 02 PCI: 00:16.1 cmd <- 02 PCI: 00:16.2 cmd <- 06 PCI: 00:16.3 cmd <- 02 PCI: 00:17.0 cmd <- 02 PCI: 00:17.1 cmd <- 02 PCI: 00:18.0 cmd <- 02 PCI: 00:18.1 cmd <- 02 PCI: 00:18.2 cmd <- 06 PCI: 00:19.0 subsystem <- 8086/5ac2 PCI: 00:19.0 cmd <- 02 PCI: 00:1b.0 cmd <- 06 PCI: 00:1c.0 subsystem <- 8086/5acc PCI: 00:1c.0 cmd <- 06 PCI: 00:1f.0 cmd <- 07 PCI: 00:1f.1 subsystem <- 8086/5ad4 PCI: 00:1f.1 cmd <- 03 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. BS: BS_DEV_ENABLE times (us): entry 161 run 112759 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2144 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6. AP: slot 2 apic_id 2. AP: slot 3 apic_id 4. done. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afffc00 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 Initializing CPU #1 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: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized CPU #2 initialized CPU #3 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 469503 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2243 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2241 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2242 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2234 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2239 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 27464 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2233 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2243 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2240 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2239 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2242 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6141 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6135 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6141 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6137 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6137 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6139 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2240 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2240 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3567 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2242 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2346 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 42270 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 5004 run 884059 exit 898 ELOG: Event(A1) added with size 10 at 2024-02-29 08:36:04 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2024-02-29 08:36:04 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 24962 run 3958 exit 5282 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 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 c34c coreboot table: 1548 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 VPD 8. 7affe940 00000058 GNVS PTR 9. 7affe920 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 819099 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 172 run 108422 exit 31013 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 12894230/tftp-deploy-3akf5sy4/kernel/bzImage 12894230/tftp-deploy-3akf5sy4/kernel/cmdline 12894230/tftp-deploy-3akf5sy4/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12894230/tftp-deploy-3akf5sy4/kernel/bzIploy-3akf5sy4/kernel/cmdline 12894230/tftp-deploy-3akf5sy4/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12894230/tftp-deploy-3akf5sy4/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 ################################################################ 01000000 ################################################################ 01080000 ################################################################ 01100000 ############################ done. The bootfile was 18050656 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 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 12894230/tftp-deploy-3akf5sy4/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z,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: 21569331 Starting kernel ... <5>[ 0.000000] Linux version 5.10.209-cip44 (KernelCI@build-j124484-x86-64-gcc-10-x86-64-defconfig-x86-board-qwv4n) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Feb 29 08:18:41 UTC 2024 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 <6>[ 0.000000] tsc: Detected 1094.400 MHz processor <6>[ 0.000057] last_pfn = 0x180000 max_arch_pfn = 0x400000000 <6>[ 0.000311] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.001166] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 <6>[ 0.005292] check: Scanning 1 areas for low memory corruption <6>[ 0.005306] Using GB pages for direct mapping <6>[ 0.006069] RAMDISK: [mem 0x37601000-0x37ffffff] <6>[ 0.006077] ACPI: Early table checksum verification disabled <6>[ 0.006086] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.006097] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006110] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006124] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) <6>[ 0.006134] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006143] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006152] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.006162] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006172] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006181] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006191] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) <6>[ 0.006200] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006210] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] <6>[ 0.006215] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] <6>[ 0.006219] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006223] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006227] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] <6>[ 0.006231] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] <6>[ 0.006235] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] <6>[ 0.006239] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] <6>[ 0.006243] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] <6>[ 0.006247] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] <6>[ 0.006368] No NUMA configuration found <6>[ 0.006373] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] <6>[ 0.006382] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] <6>[ 0.006428] Zone ranges: <6>[ 0.006433] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.006439] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.006445] Normal [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006451] Movable zone start for each node <6>[ 0.006455] Early memory node ranges <6>[ 0.006459] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.006463] node 0: [mem 0x0000000000100000-0x000000000fffffff] <6>[ 0.006467] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] <6>[ 0.006471] node 0: [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006477] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] <6>[ 0.006507] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.006558] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.013150] On node 0, zone DMA32: 8529 pages in unavailable ranges <6>[ 0.020500] On node 0, zone Normal: 22019 pages in unavailable ranges <6>[ 0.020542] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.020844] ACPI: PM-Timer IO Port: 0x408 <6>[ 0.020916] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.020932] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.020938] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) <6>[ 0.020950] Using ACPI (MADT) for SMP configuration information <6>[ 0.020955] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.020966] TSC deadline timer available <6>[ 0.020972] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.021003] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.021009] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.021014] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] <6>[ 0.021019] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] <6>[ 0.021023] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.021026] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] <6>[ 0.021030] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] <6>[ 0.021034] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] <6>[ 0.021037] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] <6>[ 0.021041] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] <6>[ 0.021045] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] <6>[ 0.021049] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] <6>[ 0.021056] [mem 0x80000000-0xcfffffff] available for PCI devices <6>[ 0.021066] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.031346] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.031973] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.032078] Built 1 zonelists, mobility grouping on. Total pages: 1002002 <6>[ 0.032088] Policy zone: Normal <5>[ 0.032106] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.033104] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.033547] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.033615] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.066953] Memory: 3856940K/4071724K available (22546K kernel code, 3700K rwdata, 13616K rodata, 2164K init, 14004K bss, 214524K reserved, 0K cma-reserved) <6>[ 0.067107] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.067166] Kernel/User page tables isolation: enabled <6>[ 0.067282] ftrace: allocating 61525 entries in 241 pages <6>[ 0.103312] ftrace: allocated 241 pages with 5 groups <6>[ 0.103657] Running RCU self tests <6>[ 0.103675] rcu: Hierarchical RCU implementation. <6>[ 0.103680] rcu: RCU event tracing is enabled. <6>[ 0.103683] rcu: RCU lockdep checking is enabled. <6>[ 0.103687] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.103692] Rude variant of Tasks RCU enabled. <6>[ 0.103695] Tracing variant of Tasks RCU enabled. <6>[ 0.103700] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.103704] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.112121] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.112570] random: crng init done <6>[ 0.112682] Console: colour dummy device 80x25 <6>[ 0.181103] printk: console [ttyS2] enabled <4>[ 0.181490] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.182163] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.182533] ... MAX_LOCK_DEPTH: 48 <4>[ 0.182919] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.183310] ... CLASSHASH_SIZE: 4096 <4>[ 0.183711] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.184116] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.184514] ... CHAINHASH_SIZE: 32768 <4>[ 0.184922] memory used by lock dependency info: 6365 kB <4>[ 0.185404] memory used for stack traces: 4224 kB <4>[ 0.185830] per task-struct memory footprint: 1920 bytes <6>[ 0.186381] ACPI: Core revision 20200925 <6>[ 0.187006] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns <6>[ 0.187874] APIC: Switch to symmetric I/O mode setup <6>[ 0.192871] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>[ 0.197864] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 0.198784] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) <6>[ 0.199894] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.200857] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 <6>[ 0.201769] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 <6>[ 0.202305] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.202773] Spectre V2 : Mitigation: Retpolines <6>[ 0.203188] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.203769] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.204771] Speculative Store Bypass: Vulnerable <6>[ 0.205205] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.205770] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.206334] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.206769] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.207293] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 <6>[ 0.207769] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 <6>[ 0.208321] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. <4>[ 0.230582] ------------[ cut here ]------------ <4>[ 0.230783] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.230795] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.232534] Modules linked in: <4>[ 0.232772] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.209-cip44 #1 <4>[ 0.233349] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 0.233772] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.234190] Code: 87 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 d0 6a f1 8a c6 05 80 08 87 02 01 e8 25 4c 14 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.234770] RSP: 0000:ffffffff8b203e28 EFLAGS: 00010282 <4>[ 0.235240] RAX: 0000000000000000 RBX: ffffffff8be2133c RCX: 0000000000000000 <4>[ 0.235769] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88d77c51 <4>[ 0.236769] RBP: ffffffff8ab944c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.237396] R10: ffffffff8b28ff20 R11: 3fffffffffffffff R12: ffffffff8be39f78 <4>[ 0.237770] R13: cccccccccccccccc R14: ffffffff8ab944c5 R15: 0000000000000004 <4>[ 0.238398] FS: 0000000000000000(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 0.238770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.239770] CR2: ffff99820aa01000 CR3: 0000000149026000 CR4: 00000000003506f0 <4>[ 0.240396] Call Trace: <4>[ 0.240781] ? __warn+0x80/0x110 <4>[ 0.241095] ? apply_returns+0x1f5/0x220 <4>[ 0.241457] ? report_bug+0x9e/0xc0 <4>[ 0.241776] ? handle_bug+0x41/0x90 <4>[ 0.242098] ? exc_invalid_op+0x14/0x70 <4>[ 0.242462] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.242780] ? console_unlock+0x4d1/0x5f0 <4>[ 0.243147] ? apply_returns+0x1f5/0x220 <4>[ 0.243515] ? apply_returns+0x1f5/0x220 <4>[ 0.243774] ? lock_acquire+0xbf/0x280 <4>[ 0.244140] alternative_instructions+0x7d/0x143 <4>[ 0.244775] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.245170] start_kernel+0x4a3/0x54d <4>[ 0.245522] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.245785] irq event stamp: 108523 <4>[ 0.246117] hardirqs last enabled at (108531): [] console_unlock+0x4d1/0x5f0 <4>[ 0.246770] hardirqs last disabled at (108542): [] console_unlock+0x444/0x5f0 <4>[ 0.247772] softirqs last enabled at (108552): [] irq_enter_rcu+0x71/0x80 <4>[ 0.248501] softirqs last disabled at (108551): [] irq_enter_rcu+0x56/0x80 <4>[ 0.248775] ---[ end trace f420f41c7bc8ceba ]--- <6>[ 0.259136] Freeing SMP alternatives memory: 48K <6>[ 0.259567] pid_max: default: 32768 minimum: 301 <6>[ 0.259869] LSM: Security Framework initializing <6>[ 0.260328] SELinux: Initializing. <6>[ 0.260824] LSM support for eBPF active <6>[ 0.261214] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.261783] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.264136] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) <6>[ 0.265357] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.265779] ... version: 4 <6>[ 0.266142] ... bit width: 48 <6>[ 0.266518] ... generic registers: 4 <6>[ 0.266770] ... value mask: 0000ffffffffffff <6>[ 0.267239] ... max period: 00007fffffffffff <6>[ 0.267708] ... fixed-purpose events: 3 <6>[ 0.267770] ... event mask: 000000070000000f <6>[ 0.268669] rcu: Hierarchical SRCU implementation. <6>[ 0.270325] smp: Bringing up secondary CPUs ... <6>[ 0.271399] x86: Booting SMP configuration: <6>[ 0.271811] .... node #0, CPUs: #1 #2 #3 <6>[ 0.274846] smp: Brought up 1 node, 4 CPUs <6>[ 0.275630] smpboot: Max logical packages: 1 <6>[ 0.275774] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) <6>[ 0.278143] devtmpfs: initialized <6>[ 0.278881] x86/mm: Memory block size: 128MB <6>[ 0.282785] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.283636] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.284234] pinctrl core: initialized pinctrl subsystem <6>[ 0.285632] PM: RTC time: 08:36:20, date: 2024-02-29 <6>[ 0.286322] NET: Registered protocol family 16 <6>[ 0.287380] audit: initializing netlink subsys (disabled) <5>[ 0.287847] audit: type=2000 audit(1709195780.094:1): state=initialized audit_enabled=0 res=1 <6>[ 0.288456] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.288596] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.288868] cpuidle: using governor menu <6>[ 0.289973] ACPI: bus type PCI registered <6>[ 0.290111] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) <6>[ 0.290777] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 <6>[ 0.291424] PCI: Using configuration type 1 for base access <6>[ 0.321910] Kprobes globally optimized <6>[ 0.322803] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.322803] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.323943] cryptomgr_test (39) used greatest stack depth: 14880 bytes left <6>[ 0.327137] ACPI: Added _OSI(Module Device) <6>[ 0.327775] ACPI: Added _OSI(Processor Device) <6>[ 0.328175] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.328602] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.328777] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.329179] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.329656] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.336656] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.342818] ACPI: EC: EC started <6>[ 0.343151] ACPI: EC: interrupt blocked <6>[ 0.344001] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.344463] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.344770] ACPI: Interpreter enabled <6>[ 0.345165] ACPI: (supports S0 S3 S5) <6>[ 0.345506] ACPI: Using IOAPIC for interrupt routing <6>[ 0.345815] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.347292] ACPI: Enabled 1 GPEs in block 00 to 7F <6>[ 0.350873] ACPI: Power Resource [PXP] (on) <6>[ 0.372839] ACPI: Power Resource [PRIC] (on) <6>[ 0.399184] ACPI: Power Resource [PRIC] (on) <6>[ 0.466941] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.467510] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.468002] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.469236] PCI host bridge to bus 0000:00 <6>[ 0.469620] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.470773] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] <6>[ 0.471376] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.471771] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] <6>[ 0.472427] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] <6>[ 0.472774] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.473347] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 <6>[ 0.475553] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 <6>[ 0.475810] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] <6>[ 0.476969] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 <6>[ 0.477518] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] <6>[ 0.477784] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] <6>[ 0.478393] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] <6>[ 0.479144] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 <6>[ 0.479698] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] <6>[ 0.480784] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] <6>[ 0.481427] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] <6>[ 0.482181] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 <6>[ 0.482735] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] <6>[ 0.484236] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 <6>[ 0.484803] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] <6>[ 0.485446] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] <6>[ 0.485892] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold <6>[ 0.487000] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 <6>[ 0.487572] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] <6>[ 0.487933] pci 0000:00:0f.0: PME# supported from D3hot <6>[ 0.488806] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 <6>[ 0.489504] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold <6>[ 0.491304] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 <6>[ 0.491806] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] <6>[ 0.492513] pci 0000:00:15.0: PME# supported from D3hot D3cold <6>[ 0.493299] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 <6>[ 0.493809] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] <6>[ 0.494433] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] <6>[ 0.495318] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 <6>[ 0.495808] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] <6>[ 0.496430] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] <6>[ 0.497325] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 <6>[ 0.498818] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] <6>[ 0.499431] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] <6>[ 0.500325] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 <6>[ 0.500808] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] <6>[ 0.501428] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] <6>[ 0.502338] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 <6>[ 0.502807] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] <6>[ 0.503428] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] <6>[ 0.504312] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 <6>[ 0.505812] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] <6>[ 0.506432] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] <6>[ 0.507354] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 <6>[ 0.507807] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] <6>[ 0.508430] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] <6>[ 0.509313] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 <6>[ 0.509808] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] <6>[ 0.510429] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] <6>[ 0.511312] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 <6>[ 0.512808] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] <6>[ 0.513433] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] <6>[ 0.514346] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 <6>[ 0.514808] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] <6>[ 0.515432] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] <6>[ 0.516348] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 <6>[ 0.516798] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] <6>[ 0.517413] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] <6>[ 0.519288] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 <6>[ 0.519796] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] <6>[ 0.520408] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] <6>[ 0.521401] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 <6>[ 0.522353] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 <6>[ 0.522837] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] <6>[ 0.523521] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] <6>[ 0.524701] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.526197] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] <6>[ 0.527372] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) <6>[ 0.527921] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) <6>[ 0.529222] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.531541] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 0.531784] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 0.539581] ACPI: EC: interrupt unblocked <6>[ 0.539770] ACPI: EC: event unblocked <6>[ 0.540146] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.540608] ACPI: EC: GPE=0x2b <6>[ 0.540775] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.541396] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.542849] iommu: Default domain type: Translated <6>[ 0.543834] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.544389] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.544794] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.545300] vgaarb: loaded <5>[ 0.546068] SCSI subsystem initialized <6>[ 0.546838] ACPI: bus type USB registered <6>[ 0.547278] usbcore: registered new interface driver usbfs <6>[ 0.547822] usbcore: registered new interface driver hub <6>[ 0.548337] usbcore: registered new device driver usb <6>[ 0.548876] mc: Linux media interface: v0.10 <6>[ 0.549294] videodev: Linux video capture interface: v2.00 <6>[ 0.549802] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.550250] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.550780] PTP clock support registered <6>[ 0.552012] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.553608] NetLabel: Initializing <6>[ 0.553772] NetLabel: domain hash size = 128 <6>[ 0.554165] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.554735] NetLabel: unlabeled traffic allowed by default <6>[ 0.554883] PCI: Using ACPI for IRQ routing <4>[ 0.585687] Expanded resource Reserved due to conflict with PCI Bus 0000:00 <6>[ 0.586883] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 <6>[ 0.587451] hpet0: 8 comparators, 64-bit 19.200000 MHz counter <6>[ 0.589874] clocksource: Switched to clocksource tsc-early <5>[ 0.975567] VFS: Disk quotas dquot_6.6.0 <6>[ 0.975972] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.976947] pnp: PnP ACPI init <6>[ 0.977916] system 00:00: [io 0x0900-0x09fe] has been reserved <6>[ 0.978684] system 00:01: [io 0x0200] has been reserved <6>[ 0.979166] system 00:01: [io 0x0204] has been reserved <6>[ 0.979658] system 00:01: [io 0x0800-0x087f] has been reserved <6>[ 0.980190] system 00:01: [io 0x0880-0x08ff] has been reserved <6>[ 0.983210] pnp: PnP ACPI: found 3 devices <6>[ 0.996753] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 0.997645] NET: Registered protocol family 2 <6>[ 0.998234] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.000298] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.001294] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.002206] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.004819] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.005893] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.006879] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.007765] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.008876] NET: Registered protocol family 1 <6>[ 1.009993] RPC: Registered named UNIX socket transport module. <6>[ 1.010571] RPC: Registered udp transport module. <6>[ 1.011001] RPC: Registered tcp transport module. <6>[ 1.011432] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.012536] NET: Registered protocol family 44 <6>[ 1.012979] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.013463] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.014076] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.014635] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] <6>[ 1.015175] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.015849] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] <6>[ 1.016465] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] <6>[ 1.017071] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] <6>[ 1.017840] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.020781] PCI: CLS 64 bytes, default 64 <6>[ 1.021528] Unpacking initramfs... <6>[ 1.297221] Freeing initrd memory: 10236K <6>[ 1.297701] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.298290] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) <6>[ 1.299289] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer <6>[ 1.299977] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.300522] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.301019] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.301514] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <3>[ 1.303101] kvm: already loaded the other module <6>[ 1.303571] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 1.304483] clocksource: Switched to clocksource tsc <6>[ 1.305013] platform rtc_cmos: registered platform RTC device (no PNP device found) <6>[ 1.307845] check: Scanning for low memory corruption every 60 seconds <5>[ 1.310612] Initialise system trusted keyrings <6>[ 1.311320] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.326169] NFS: Registering the id_resolver key type <5>[ 1.326686] Key type id_resolver registered <5>[ 1.327096] Key type id_legacy registered <5>[ 1.338788] Key type asymmetric registered <5>[ 1.339207] Asymmetric key parser 'x509' registered <6>[ 1.339725] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.340398] io scheduler mq-deadline registered <6>[ 1.340807] io scheduler kyber registered <4>[ 1.341413] test_firmware: interface ready <6>[ 1.342527] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 <6>[ 1.344114] ACPI: AC Adapter [AC] (on-line) <6>[ 1.344797] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.346336] ACPI: Lid Switch [LID0] <6>[ 1.346832] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 <6>[ 1.347704] ACPI: Power Button [PWRB] <6>[ 1.348203] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 <6>[ 1.349084] ACPI: Sleep Button [SLP] <6>[ 1.349601] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 <6>[ 1.350402] ACPI: Power Button [PWRF] <6>[ 1.350954] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.352022] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.352823] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.353643] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.355466] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 1.357879] Non-volatile memory driver v1.3 <6>[ 1.358104] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.358398] Linux agpgart interface v0.103 <6>[ 1.359543] ACPI: bus type drm_connector registered <6>[ 1.360125] [drm] amdgpu kernel modesetting enabled. <6>[ 1.363203] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.417443] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xbef8 <6>[ 1.418196] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) <6>[ 1.418967] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <4>[ 1.420403] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 <5>[ 1.421257] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. <5>[ 1.422246] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 <6>[ 1.465511] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.468517] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.479669] loop: module loaded <6>[ 1.480541] lkdtm: No crash points registered, enable through debugfs <6>[ 1.523997] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A <6>[ 1.527382] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A <6>[ 1.530246] printk: console [ttyS2] disabled <6>[ 1.530929] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A <6>[ 4.828651] printk: console [ttyS2] enabled <6>[ 4.828775] fbcon: i915drmfb (fb0) is primary device <4>[ 4.830736] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO <6>[ 4.838007] e100: Intel(R) PRO/100 Network Driver <6>[ 4.838010] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 4.838055] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.838056] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.838115] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.838117] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.838229] sky2: driver version 1.30 <6>[ 4.838476] usbcore: registered new interface driver r8152 <6>[ 4.839095] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.839134] ehci-pci: EHCI PCI platform driver <6>[ 4.839232] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 4.839245] ohci-pci: OHCI PCI platform driver <6>[ 4.839325] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 4.840504] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.841429] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 <6>[ 4.842663] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 4.842709] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported <6>[ 4.843932] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.844600] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 <6>[ 4.844620] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed <6>[ 4.845173] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 4.845189] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.845192] usb usb1: Product: xHCI Host Controller <6>[ 4.845194] usb usb1: Manufacturer: Linux 5.10.209-cip44 xhci-hcd <6>[ 4.845196] usb usb1: SerialNumber: 0000:00:15.0 <6>[ 4.846625] hub 1-0:1.0: USB hub found <6>[ 4.846723] hub 1-0:1.0: 8 ports detected <6>[ 4.848163] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 4.848167] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.848169] usb usb2: Product: xHCI Host Controller <6>[ 4.848172] usb usb2: Manufacturer: Linux 5.10.209-cip44 xhci-hcd <6>[ 4.848174] usb usb2: SerialNumber: 0000:00:15.0 <6>[ 4.849098] hub 2-0:1.0: USB hub found <6>[ 4.849134] hub 2-0:1.0: 7 ports detected <6>[ 4.850338] usbcore: registered new interface driver usblp <6>[ 4.850384] usbcore: registered new interface driver usb-storage <6>[ 4.850757] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 4.850874] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 4.850877] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 4.851437] i8042: Warning: Keylock active <6>[ 4.851681] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 4.854606] rtc_cmos rtc_cmos: RTC can wake from S4 <6>[ 4.856505] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 <6>[ 4.857834] rtc_cmos rtc_cmos: registered as rtc0 <6>[ 4.857980] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram <4>[ 4.858966] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A <4>[ 4.858968] i801_smbus 0000:00:1f.1: PCI INT A: no GSI <6>[ 4.858998] i801_smbus 0000:00:1f.1: SPD Write Disable is set <3>[ 4.859054] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) <3>[ 4.859074] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 <6>[ 4.859077] i801_smbus 0000:00:1f.1: SMBus using polling <6>[ 4.860102] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 4.860199] intel_pstate: Intel P-state driver initializing <6>[ 4.862561] sdhci: Secure Digital Host Controller Interface driver <6>[ 4.862567] sdhci: Copyright(c) Pierre Ossman <6>[ 4.862746] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 4.869060] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) <6>[ 4.876072] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit <6>[ 4.876945] hid: raw HID events driver (C) Jiri Kosina <6>[ 4.879090] usbcore: registered new interface driver usbhid <6>[ 4.879095] usbhid: USB HID core driver <6>[ 4.880994] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 <6>[ 4.882891] Console: switching to colour frame buffer device 240x67 <6>[ 4.887725] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 4.891133] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 4.895718] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 4.895941] netem: version 1.3 <6>[ 4.896482] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 4.897761] IPv4 over IPsec tunneling driver <6>[ 4.898924] Initializing XFRM netlink socket <6>[ 4.900545] NET: Registered protocol family 10 <6>[ 4.904559] Segment Routing with IPv6 <6>[ 4.908361] NET: Registered protocol family 17 <6>[ 4.909358] 8021q: 802.1Q VLAN Support v1.8 <5>[ 4.909622] Key type dns_resolver registered <3>[ 4.917253] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up <6>[ 4.920768] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.009327] mmc0: new HS400 MMC card at address 0001 <6>[ 5.023463] microcode: sig=0x506c9, pf=0x1, revision=0x2c <6>[ 5.031361] microcode: Microcode Update Driver: v2.2. <6>[ 5.045627] mmcblk0: mmc0:0001 TA2964 58.3 GiB <6>[ 5.050907] IPI shorthand broadcast: enabled <6>[ 5.058229] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB <6>[ 5.066030] sched_clock: Marking stable (4984501472, 81258824)->(5074134342, -8374046) <6>[ 5.073854] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB <6>[ 5.104862] registered taskstats version 1 <6>[ 5.109825] usb 1-5: new high-speed USB device number 2 using xhci_hcd <5>[ 5.114174] Loading compiled-in X.509 certificates <6>[ 5.121249] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0) <6>[ 5.139934] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.294884] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 <6>[ 5.310225] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.315673] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 5.315687] usb 1-5: Product: USB2.0 HD UVC WebCam <6>[ 5.328378] PM: Magic number: 12:582:625 <6>[ 5.329316] usb 1-5: Manufacturer: Quanta <6>[ 5.329323] usb 1-5: SerialNumber: 0x0001 <6>[ 5.337654] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.613381] printk: console [netcon0] enabled <6>[ 5.613452] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.618617] netconsole: network logging started <6>[ 5.640093] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.649664] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.658011] usb 2-5: Product: USB 10/100/1000 LAN <6>[ 5.663628] usb 2-5: Manufacturer: Realtek <6>[ 5.668553] usb 2-5: SerialNumber: 001000001 <6>[ 5.676507] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.708700] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.754335] usb 1-6: new full-speed USB device number 3 using xhci_hcd <6>[ 5.891364] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.900911] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.914143] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.007250] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.052899] r8152 2-5:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.092230] r8152 2-5:1.0 eth0: v1.11.11 <6>[ 6.097990] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 7.697791] r8152 2-5:1.0 eth0: carrier on <6>[ 7.703587] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 7.715899] Sending DHCP requests .., OK <6>[ 10.268852] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 <6>[ 10.278193] IP-Config: Complete: <6>[ 10.282152] device=eth0, hwaddr=00:e0:4c:75:01:bd, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.294187] host=asus-c523na-a20057-coral-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 10.303682] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.303690] nameserver0=192.168.201.1 <5>[ 10.317700] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.341163] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 10.357132] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 10.365865] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 10.376401] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.376766] ALSA device list: <6>[ 10.386560] cfg80211: failed to load regulatory.db <6>[ 10.390302] No soundcards found. <4>[ 10.401925] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console <6>[ 10.424022] Freeing unused kernel image (initmem) memory: 2164K <6>[ 10.437761] Write protecting the kernel read-only data: 38912k <6>[ 10.449160] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.458464] Freeing unused kernel image (rodata/data gap) memory: 720K <6>[ 10.466499] Run /init as init process <6>[ 10.496931] cat (112) used greatest stack depth: 13816 bytes left Loading, please wait... Starting version 247.3-7+deb11u4 <6>[ 10.827616] udevadm (126) used greatest stack depth: 13624 bytes left <6>[ 11.548178] chromeos ramoops using acpi device. <6>[ 11.552720] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.573331] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.623149] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.626837] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator <4>[ 11.632961] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.655363] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator <4>[ 11.656145] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <4>[ 11.667822] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.685728] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.744868] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <4>[ 11.755214] da7219 i2c-DLGS7219:00: Invalid micbias pulse level <6>[ 11.765620] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.785496] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.841973] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.845065] Registered efivars operations <6>[ 11.866409] gsmi version 1.0 loaded <3>[ 12.705660] i2c_designware i2c_designware.5: controller timed out <6>[ 12.731119] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.732933] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count <6>[ 12.739801] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090) <6>[ 12.748352] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.761099] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.783386] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/input/input6 <6>[ 12.790877] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.800382] usbcore: registered new interface driver uvcvideo <6>[ 12.810826] USB Video Class driver (1.1.1) <6>[ 12.813071] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.841838] udevadm (145) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:75:01:bd mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c523na-a20057-coral-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 13.129026] nfsmount (170) used greatest stack depth: 12520 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 14.870551] systemd[1]: systemd 247.3-7+deb11u4 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 14.911206] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 14.950953] systemd[1]: Set hostname to . <30>[ 16.259883] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 16.275695] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 16.292546] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 16.311651] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 16.330506] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 16.349167] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 16.369781] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 16.392064] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 16.416088] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 16.433053] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 16.444874] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 16.461941] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 16.473989] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 16.486983] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 16.508191] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 16.528152] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 16.546781] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 16.565262] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 16.588837] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 16.606433] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 16.630256] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 16.654185] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 16.679640] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 16.705777] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 16.729730] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 16.758389] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 16.790783] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 16.815807] systemd[1]: Starting Load Kernel Module fuse... <6>[ 16.821104] mount (197) used greatest stack depth: 12368 bytes left Starting Load Kernel Module fuse... <30>[ 16.848687] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 16.874849] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 16.894593] fuse: init (API version 7.32) <30>[ 16.902022] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 16.924859] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 16.948710] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 16.984726] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 17.001809] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 17.026550] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 17.044825] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 17.067578] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 17.094237] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 17.103684] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 17.123060] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 17.131947] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 17.151224] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 17.160522] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 17.181392] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 17.198959] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 17.224565] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 17.247047] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 17.272687] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 17.283728] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 17.302421] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 17.324206] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 17.346554] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 17.381967] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 17.407912] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. <30>[ 17.441995] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 17.461059] systemd[1]: Condition check resulted in First Boot Complete being skipped. <30>[ 17.474136] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. <30>[ 17.582622] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. <30>[ 17.604046] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... <30>[ 17.722065] 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. Starting Rule-based Manage…for Device Events and Files... <46>[ 17.835173] systemd-journald[206]: Received client request to flush runtime journal. [ 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 ] Finished Create Volatile Files and Directories. [ OK ] Started Network Service. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.209-cip44 #1 SMP Thu Feb 29 08:18:41 UTC 2024 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/12894230/extract-nfsrootfs-1di1a08z' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12894230/extract-nfsrootfs-1di1a08z' / # 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-12894230/environment . /lava-12894230/environment / # /lava-12894230/bin/lava-test-runner /lava-12894230/0 /lava-12894230/bin/lava-test-runner /lava-12894230/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12894230/0/tests/0_timesync-off ++ cat uuid + UUID=12894230_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-12894230/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12894230_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2024-02-29 08:36:47-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3552592 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 187KB/s kselftest.tar.xz 6%[> ] 216.08K 420KB/s kselftest.tar.xz 25%[====> ] 894.83K 1.13MB/s kselftest.tar.xz 39%[======> ] 1.34M 1.34MB/s kselftest.tar.xz 70%[=============> ] 2.37M 1.73MB/s kselftest.tar.xz 73%[=============> ] 2.50M 1.58MB/s kselftest.tar.xz 85%[================> ] 2.91M 1.62MB/s kselftest.tar.xz 100%[===================>] 3.39M 1.83MB/s in 1.9s 2024-02-29 08:36:50 (1.83 MB/s) - 'kselftest.tar.xz' saved [3552592/3552592] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 43.435345] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 44.407325] lkdtm: Performing direct entry BUG <4>[ 44.412951] ------------[ cut here ]------------ <2>[ 44.418479] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 44.425648] invalid opcode: 0000 [#1] SMP PTI <4>[ 44.430841] CPU: 0 PID: 637 Comm: cat Tainted: G W 5.10.209-cip44 #1 <4>[ 44.439722] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.446663] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.451360] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 44.472713] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 44.478867] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.487166] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 44.495464] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.503760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.512057] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 44.520352] FS: 00007f3a303a7580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 44.529717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.536454] CR2: 00007f3a301b1000 CR3: 000000010588a000 CR4: 00000000003506f0 <4>[ 44.544744] Call Trace: <4>[ 44.547791] ? __die_body.cold+0x1a/0x1f <4>[ 44.552488] ? die+0x2b/0x50 <4>[ 44.556013] ? do_trap+0x91/0x110 <4>[ 44.560020] ? lkdtm_BUG+0x5/0x10 <4>[ 44.564035] ? do_error_trap+0x90/0x110 <4>[ 44.568624] ? lkdtm_BUG+0x5/0x10 <4>[ 44.572629] ? lkdtm_BUG+0x5/0x10 <4>[ 44.576644] ? exc_invalid_op+0x4e/0x70 <4>[ 44.581240] ? lkdtm_BUG+0x5/0x10 <4>[ 44.585253] ? asm_exc_invalid_op+0x12/0x20 <4>[ 44.590245] ? direct_entry+0xe0/0xe0 <4>[ 44.594646] ? lkdtm_BUG+0x5/0x10 <4>[ 44.598658] direct_entry.cold+0x2c/0x38 <4>[ 44.603351] full_proxy_write+0x56/0x80 <4>[ 44.607950] vfs_write+0xea/0x3b0 <4>[ 44.611964] ksys_write+0x68/0xf0 <4>[ 44.615977] do_syscall_64+0x33/0x40 <4>[ 44.620274] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.626239] RIP: 0033:0x7f3a302bd473 <4>[ 44.630545] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.651874] RSP: 002b:00007ffc7d849b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.660637] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a302bd473 <4>[ 44.668932] RDX: 0000000000000004 RSI: 00007f3a301b1000 RDI: 0000000000000001 <4>[ 44.677211] RBP: 00007f3a301b1000 R08: 00007f3a301b0010 R09: 0000000000000000 <4>[ 44.685505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.693799] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.702103] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <0>[ 44.744231] gsmi: Log Shutdown Reason 0x03 <4>[ 44.749181] ---[ end trace f420f41c7bc8cebc ]--- <4>[ 44.754682] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.759391] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 44.780759] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 44.786928] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.795241] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 44.803564] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.811887] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.820186] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 44.828493] FS: 00007f3a303a7580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 44.837924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.844706] CR2: 00007f3a301b1000 CR3: 000000010588a000 CR4: 00000000003506f0 # Segmentation fault # [ 44.407325] lkdtm: Performing direct entry BUG # [ 44.412951] ------------[ cut here ]------------ # [ 44.418479] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 44.425648] invalid opcode: 0000 [#1] SMP PTI # [ 44.430841] CPU: 0 PID: 637 Comm: cat Tainted: G W 5.10.209-cip44 #1 # [ 44.439722] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.446663] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.451360] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 44.472713] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 44.478867] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.487166] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 44.495464] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 44.503760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.512057] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 44.520352] FS: 00007f3a303a7580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 44.529717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.536454] CR2: 00007f3a301b1000 CR3: 000000010588a000 CR4: 00000000003506f0 # [ 44.544744] Call Trace: # [ 44.547791] ? __die_body.cold+0x1a/0x1f # [ 44.552488] ? die+0x2b/0x50 # [ 44.556013] ? do_trap+0x91/0x110 # [ 44.560020] ? lkdtm_BUG+0x5/0x10 # [ 44.564035] ? do_error_trap+0x90/0x110 # [ 44.568624] ? lkdtm_BUG+0x5/0x10 # [ 44.572629] ? lkdtm_BUG+0x5/0x10 # [ 44.576644] ? exc_invalid_op+0x4e/0x70 # [ 44.581240] ? lkdtm_BUG+0x5/0x10 # [ 44.585253] ? asm_exc_invalid_op+0x12/0x20 # [ 44.590245] ? direct_entry+0xe0/0xe0 # [ 44.594646] ? lkdtm_BUG+0x5/0x10 # [ 44.598658] direct_entry.cold+0x2c/0x38 # [ 44.603351] full_proxy_write+0x56/0x80 # [ 44.607950] vfs_write+0xea/0x3b0 # [ 44.611964] ksys_write+0x68/0xf0 # [ 44.615977] do_syscall_64+0x33/0x40 # [ 44.620274] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.626239] RIP: 0033:0x7f3a302bd473 # [ 44.630545] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.651874] RSP: 002b:00007ffc7d849b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.660637] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a302bd473 # [ 44.6689<6>[ 45.148487] lkdtm: Performing direct entry WARNING <4>[ 45.160366] ------------[ cut here ]------------ 32] RDX: 0000000000000004 RSI: 00007f3a301b1000 RDI: 00000000000<4>[ 45.165882] WARNING: CPU: 0 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 00001 # [ 44.677211] RBP: 00007f3a301b1000 R08: 00007f3a301b0<4>[ 45.181858] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 45.228330] CPU: 0 PID: 675 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 45.237260] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 45.244228] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 45.249428] 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 d0 9a 2a 03 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 b1 9a <4>[ 45.270809] RSP: 0018:ffffa900c12bfe60 EFLAGS: 00010202 <4>[ 45.276985] RAX: ffffffff8977c230 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 45.285301] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94040 <4>[ 45.293617] RBP: ffffffff8b01a117 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.301932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 45.310244] R13: ffffa900c12bff10 R14: ffffa900c12bff10 R15: ffff9981c512f000 <4>[ 45.318555] FS: 00007f2e7c6d0580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 45.327942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.334690] CR2: 00007f2e7c4da000 CR3: 0000000102664000 CR4: 00000000003506f0 <4>[ 45.342999] Call Trace: <4>[ 45.346060] ? __warn+0x80/0x110 <4>[ 45.349991] ? lkdtm_WARNING+0x13/0x20 <4>[ 45.354509] ? report_bug+0x9e/0xc0 <4>[ 45.358732] ? handle_bug+0x41/0x90 <4>[ 45.362948] ? exc_invalid_op+0x14/0x70 <4>[ 45.367561] ? asm_exc_invalid_op+0x12/0x20 <4>[ 45.372569] ? lkdtm_BUG+0x10/0x10 <4>[ 45.376694] ? lkdtm_WARNING+0x13/0x20 <4>[ 45.381214] direct_entry.cold+0x2c/0x38 <4>[ 45.385933] full_proxy_write+0x56/0x80 <4>[ 45.390538] vfs_write+0xea/0x3b0 <4>[ 45.394567] ksys_write+0x68/0xf0 <4>[ 45.398602] do_syscall_64+0x33/0x40 <4>[ 45.402930] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.408912] RIP: 0033:0x7f2e7c5e6473 <4>[ 45.413231] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.434606] RSP: 002b:00007ffd0799c828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 010 R09: 0000000000000000 # [ 44.685505] R10: fffffffffffffbc<4>[ 45.443413] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2e7c5e6473 <4>[ 45.457964] RDX: 0000000000000008 RSI: 00007f2e7c4da000 RDI: 0000000000000001 <4>[ 45.466280] RBP: 00007f2e7c4da000 R08: 00007f2e7c4d9010 R09: 0000000000000000 <4>[ 45.474598] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.482916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.693799] <4>[ 45.491242] irq event stamp: 0 R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000<4>[ 45.501200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.514776] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.524257] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.533734] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.541077] ---[ end trace f420f41c7bc8cebd ]--- 0 # [ 44.702103] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 44.744231] gsmi: Log Shutdown Reason 0x03 # [ 44.749181] ---[ end trace f420f41c7bc8cebc ]--- # [ 44.754682] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.759391] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 44.780759] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 44.786928] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.795241] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 44.803564] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 44.811887] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.820186] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 44.828493] FS: 00007f3a303a7580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 44.837924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.844706] CR2: 00007f3a301b1000 CR3: 000000010588a000 CR4: 00000000003506f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 45.148487] lkdtm: Performing direct entry WARNING # [ 45.160366] ------------[ cut here ]------------ # [ 45.165882] WARNING: CPU: 0 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 45.181858] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 45.228330] CPU: 0 PID: 675 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 45.237260] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.244228] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 45.249428] 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 d0 9a 2a 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44<6>[ 45.798104] lkdtm: Performing direct entry WARNING_MESSAGE 00 00 0f 1f 44 00 00 8b 05 b1 9a # [ 45.270809] RSP: 0018:ff<4>[ 45.808847] ------------[ cut here ]------------ ffa900c12bfe60 EFLAGS: 00010202 # [ 45.276985] RAX: ffffffff8<4>[ 45.820562] Warning message trigger count: 2 977c230 RBX: 0000000000000002 RCX: 0000000000000000 # [ 45.28<4>[ 45.832006] WARNING: CPU: 3 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 5301] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8<4>[ 45.848925] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table ab94040 # [ 45.293617] RBP: ffffffff8b01a117 R08: 00000000000<4>[ 45.895124] CPU: 3 PID: 711 Comm: cat Tainted: G D W 5.10.209-cip44 #1 00000 R09: 0000000000000000 # [ 45.301932] R10: 00000000ffffe<4>[ 45.910397] Hardware name: Google Coral/Coral, BIOS 09/29/2020 000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 45.310244<4>[ 45.923572] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 ] R13: ffffa900c12bff10 R14: ffffa900c12bff10 R15: ffff9981c512f<4>[ 45.935762] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 b1 9a 2a 03 48 c7 c7 78 a6 01 8b 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 000 # [ 45.318555] FS: 00007f2e7c6d0580(0000) GS:ffff99823bc<4>[ 45.963218] RSP: 0018:ffffa900c1347e60 EFLAGS: 00010286 00000(0000) knlGS:0000000000000000 # [ 45.327942] CS: 0010 D<4>[ 45.975719] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.334690] CR2: 00<4>[ 45.990171] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 007f2e7c4da000 CR3: 0000000102664000 CR4: 00000000003506f0 # [ <4>[ 46.004713] RBP: ffffffff8b01a11f R08: 0000000000000000 R09: 0000000000000000 45.342999] Call Trace: # [ 45.346060] ? __warn+0x80/0x110 <4>[ 46.019202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 45.349991] ? lkdtm_WARNING+0x13/0x20 # [ 45.354509] <4>[ 46.033749] R13: ffffa900c1347f10 R14: ffffa900c1347f10 R15: ffff9981c2a30000 ? report_bug+0x9e/0xc0 # [ 45.358732] ? handle_bug+0x41/0x90<4>[ 46.048362] FS: 00007fd4de671580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 45.362948] ? exc_invalid_op+0x14/0x70 # [ 45.367561]<4>[ 46.063871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ? asm_exc_invalid_op+0x12/0x20 # [ 45.372569] ? lkdtm_BUG+<4>[ 46.076856] CR2: 00007fd4de47b000 CR3: 000000010095c000 CR4: 00000000003506e0 0x10/0x10 # [ 45.376694] ? lkdtm_WARNING+0x13/0x20 # [ 45<4>[ 46.091395] Call Trace: .381214] direct_entry.cold+0x2c/0x38 # [ 45.385933] full_pr<4>[ 46.100731] ? __warn+0x80/0x110 oxy_write+0x56/0x80 # [ 45.390538] vfs_write+0xea/0x3b0 # [<4>[ 46.110819] ? lkdtm_WARNING_MESSAGE+0x20/0x30 45.394567] ksys_write+0x68/0xf0 # [ 45.398602] do_syscal<4>[ 46.122307] ? report_bug+0x9e/0xc0 l_64+0x33/0x40 # [ 45.402930] entry_SYSCALL_64_after_hwframe<4>[ 46.132756] ? handle_bug+0x41/0x90 +0x62/0xc7 # [ 45.408912] RIP: 0033:0x7f2e7c5e6473 # [ 45.<4>[ 46.143405] ? exc_invalid_op+0x14/0x70 413231] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff<4>[ 46.154072] ? asm_exc_invalid_op+0x12/0x20 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 <4>[ 46.165296] ? lkdtm_WARNING_MESSAGE+0x20/0x30 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28<4>[ 46.176889] direct_entry.cold+0x2c/0x38 48 89 54 24 18 # [ 45.434606] RSP: 002b:00007ffd0799c828 EFL<4>[ 46.187772] full_proxy_write+0x56/0x80 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.443413] RAX: <4>[ 46.198590] vfs_write+0xea/0x3b0 ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2e7c5e6473 # <4>[ 46.208905] ksys_write+0x68/0xf0 [ 45.457964] RDX: 0000000000000008 RSI: 00007f2e7c4da000 RDI: <4>[ 46.219111] do_syscall_64+0x33/0x40 0000000000000001 # [ 45.466280] RBP: 00007f2e7c4da000 R08: 00<4>[ 46.229663] entry_SYSCALL_64_after_hwframe+0x62/0xc7 007f2e7c4d9010 R09: 0000000000000000 # [ 45.474598] R10: ffff<4>[ 46.241901] RIP: 0033:0x7fd4de587473 fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 46.252429] Code: 8b 15 21 2a 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 45.482916] R13: 0000000000000001 R14: 0000000000020000 R15: 0000<4>[ 46.280086] RSP: 002b:00007ffefcb70db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000020000 # [ 45.491242] irq event stamp: 0 # [ 45.5012<4>[ 46.295095] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd4de587473 00] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [<4>[ 46.309653] RDX: 0000000000000010 RSI: 00007fd4de47b000 RDI: 0000000000000001 45.514776] hardirqs last disabled at (0): [<4>[ 46.324182] RBP: 00007fd4de47b000 R08: 00007fd4de47a010 R09: 0000000000000000 ] copy_process+0x65c/0x20e0 # [ 45.524257] softirqs last ena<4>[ 46.338746] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 bled at (0): [] copy_process+0x65c/0x20e0 # [<4>[ 46.353289] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 45.533734] softirqs last disabled at (0): [<0000000000000000><4>[ 46.367861] irq event stamp: 0 ] 0x0 # [ 45.541077] ---[ end trace f420f41c7bc8cebd ]--- # <4>[ 46.377804] hardirqs last enabled at (0): [<0000000000000000>] 0x0 WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh <4>[ 46.391378] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # selftests: lkdtm: WARNING_MESSAGE.sh <4>[ 46.407103] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.420436] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.427778] ---[ end trace f420f41c7bc8cebe ]--- # [ 45.798104] lkdtm: Performing direct entry WARNING_MESSAGE # [ 45.808847] ------------[ cut here ]------------ # [ 45.820562] Warning message trigger count: 2 # [ 45.832006] WARNING: CPU: 3 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 45.848925] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 45.895124] CPU: 3 PID: 711 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 45.910397] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.923572] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 45.935762] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 b1 9a 2a 03 48 c7 c7 78 a6 01 8b 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 45.963218] RSP: 0018:ffffa900c1347e60 EFLAGS: 00010286 # [ 45.975719] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 45.990171] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 # [ 46.004713] RBP: ffffffff8b01a11f R08: 0000000000000000 R09: 0000000000000000 # [ 46.019202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 46.033749] R13: ffffa900c1347f10 R14: ffffa900c1347f10 R15: ffff9981c2a30000 # [ 46.048362] FS: 00007fd4de671580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 46.063871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.076856] CR2: 00007fd4de47b000 CR3: 000000010095c000 CR4: 00000000003506e0 # [ 46.091395] Call Trace: # [ 46.100731] ? __warn+0x80/0x110 # [ 46.110819] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 46.122307] ? report_bug+0x9e/0xc0 # [ 46.132756] ? handle_bug+0x41/0x90 # [ 46.143405] ? exc_invalid_op+0x14/0x70 # [ 46.154072] ? asm_exc_invalid_op+0x12/0x20 # [ 46.165296] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 46.176889] direct_entry.cold+0x2c/0x38 # [ 46.187772] full_proxy_write+0x56/0x80 # [ 46.198590] vfs_write+0xea/0x3b0 # [ 46.208905] ksys_write+0x68/0xf0 # [ 46<6>[ 46.705459] lkdtm: Performing direct entry EXCEPTION <1>[ 46.714872] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 46.722976] #PF: supervisor write access in kernel mode <1>[ 46.729128] #PF: error_code(0x0002) - not-present page <6>[ 46.735181] PGD 0 P4D 0 <4>[ 46.738321] Oops: 0002 [#2] SMP PTI <4>[ 46.742530] CPU: 2 PID: 744 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 46.751411] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.758351] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 46.763633] Code: 48 c7 c7 78 a6 01 8b 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 46.784995] RSP: 0018:ffffa900c13dfe60 EFLAGS: 00010282 <4>[ 46.791152] RAX: ffffffff8977c280 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 46.799451] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffffffff8ab94060 <4>[ 46.807748] RBP: ffffffff8af0dbcf R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.816040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 46.824334] R13: ffffa900c13dff10 R14: ffffa900c13dff10 R15: ffff9981c31fd000 <4>[ 46.832631] FS: 00007f3fd365c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 46.842004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.848744] CR2: 0000000000000000 CR3: 000000010319a000 CR4: 00000000003506e0 <4>[ 46.857039] Call Trace: <4>[ 46.860085] ? __die_body.cold+0x1a/0x1f <4>[ 46.864785] ? no_context+0x177/0x380 <4>[ 46.869195] ? exc_page_fault+0x53/0x170 <4>[ 46.873887] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.878876] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 46.884155] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 46.888746] direct_entry.cold+0x2c/0x38 <4>[ 46.893445] full_proxy_write+0x56/0x80 <4>[ 46.898044] vfs_write+0xea/0x3b0 <4>[ 46.902059] ksys_write+0x68/0xf0 <4>[ 46.906070] do_syscall_64+0x33/0x40 <4>[ 46.910377] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.916340] RIP: 0033:0x7f3fd3572473 <4>[ 46.920642] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.942003] RSP: 002b:00007ffcffaa81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.950792] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3fd3572473 <4>[ 46.959089] RDX: 000000000000000a RSI: 00007f3fd3466000 RDI: 0000000000000001 <4>[ 46.967384] RBP: 00007f3fd3466000 R08: 00007f3fd3465010 R09: 0000000000000000 <4>[ 46.975682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.983978] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.992284] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table .219111] do_syscall_64+0x33/0x40 # [ 46.229663] entry_SYSCA<4>[ 47.032537] CR2: 0000000000000000 <4>[ 47.042773] ---[ end trace f420f41c7bc8cebf ]--- <4>[ 47.048248] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.052935] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 47.074299] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 47.080453] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.088751] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 47.097050] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.105347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.113647] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 47.121945] FS: 00007f3fd365c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 47.131313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.138048] CR2: 0000000000000000 CR3: 000000010319a000 CR4: 00000000003506e0 <3>[ 47.146348] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 47.156589] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat <4>[ 47.165274] INFO: lockdep is turned off. <4>[ 47.169964] irq event stamp: 0 <4>[ 47.173682] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.181006] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.190471] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.199938] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.207263] CPU: 2 PID: 744 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 47.216144] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 47.223076] Call Trace: <4>[ 47.226115] dump_stack+0x77/0x9b <4>[ 47.230128] ___might_sleep.cold+0xa6/0xb6 <4>[ 47.235020] exit_signals+0x1c/0x300 <4>[ 47.239326] do_exit+0xc2/0xab0 <4>[ 47.243144] ? ksys_write+0x68/0xf0 <4>[ 47.247354] make_task_dead+0x2f/0x30 <4>[ 47.251756] rewind_stack_and_make_dead+0x17/0x20 <4>[ 47.257314] RIP: 0033:0x7f3fd3572473 <4>[ 47.261616] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 47.282977] RSP: 002b:00007ffcffaa81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.291754] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3fd3572473 <4>[ 47.300051] RDX: 000000000000000a RSI: 00007f3fd3466000 RDI: 0000000000000001 <4>[ 47.308347] RBP: 00007f3fd3466000 R08: 00007f3fd3465010 R09: 0000000000000000 <4>[ 47.316646] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.324941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 LL_64_after_hwframe+0x62/0xc7 # [ 46.241901] RIP: 0033:0x7fd4de587473 # [ 46.252429] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.280086] RSP: 002b:00007ffefcb70db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.295095] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd4de587473 # [ 46.309653] RDX: 0000000000000010 RSI: 00007fd4de47b000 RDI: 0000000000000001 # [ 46.324182] RBP: 00007fd4de47b000 R08: 00007fd4de47a010 R09: 0000000000000000 # [ 46.338746] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.353289] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.367861] irq event stamp: 0 # [ 46.377804] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.391378] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.407103] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.420436] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.427778] ---[ end trace f420f41c7bc8cebe ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 46.705459] lkdtm: Performing direct entry EXCEPTION # [ 46.714872] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 46.722976] #PF: supervisor write access in kernel mode # [ 46.729128] #PF: error_code(0x0002) - not-present page # [ 46.735181] PGD 0 P4D 0 # [ 46.738321] Oops: 0002 [#2] SMP PTI # [ 46.742530] CPU: 2 PID: 744 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 46.751411] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.758351] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 46.763633] Code: 48 c7 c7 78 a6 01 8b 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 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 # [ 46.784995] RSP: 0018:ffffa900c13dfe60 EFLAGS: 00010282 # [ 46.791152] RAX: ffffffff8977c280 RBX: 0000000000000004 RCX: 0000000000000000 # [ 46.799451] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffffffff8ab94060 # [ 46.807748] RBP: ffffffff8af0dbcf R08: 0000000000000000 R09: 0000000000000000 # [ 46.816040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 46.824334] R13: ffffa900c13dff10 R14: ffffa900c13dff10 R15: ffff9981c31fd000 # [ 46.832631] FS: 00007f3fd365c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 46.842004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.848744] CR2: 0000000000000000 CR3: 000000010319a000 CR4: 00000000003506e0 # [ 46.857039] Call Trace: # [ 46.860085] ? __die_body.cold+0x1a/0x1f # [ 46.864785] ? no_context+0x177/0x380 # [ 46.869195] ? exc_page_fault+0x53/0x170 # [ 46.873887] ? asm_exc_page_fault+0x1e/0x30 # [ 46.878876] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 46.884155] ? lkdtm_EXCEPTION+0x5/0x20 # [ 46.888746] direct_entry.cold+0x2c/0x38 # [ 46.893445] full_proxy_write+0x56/0x80 # [ 46.898044] vfs_write+0xea/0x3b0 # [ 46.902059] ksys_write+0x68/0xf0 # [ 46.906070] do_syscall_64+0x33/0x40 # [ 46.910377] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.916340] RIP: 0033:0x7f3fd3572473 # [ 46.920642] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.942003] RSP: 002b:00007ffcffaa81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.950792] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3fd3572473 # [ 46.959089] RDX: 000000000000000a RSI: 00007f3fd3466000 RDI: 0000000000000001 # [ 46.967384] RBP: 00007f3fd3466000 R08: 00007f3fd3465010 R09: 0000000000000000 # [ 46.975682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.983978] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.992284] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 47.032537] CR2: 0000000000000000 # [ 47.042773] ---[ end trace f420f41c7bc8cebf ]--- # [ 47.048248] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.052935] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 47.074299] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 47.080453] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.088751] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 47.097050] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 47.105347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.113647] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 47.121945] FS: 00007f3fd365c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 47.131313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.138048] CR2: 0000000000000000 CR3: 000000010319a000 CR4: 00000000003506e0 # [ 47.146348] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 47.156589] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat # [ 47.165274] INFO: lockdep is turned off. # [ 47.169964] irq event stamp: 0 # [ 47.173682] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.181006] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.190471] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.199938] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.207263] CPU: 2 PID: 744 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 47.216144] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.223076] Call Trace: # [ 47.226115] dump_stack+0x77/0x9b # [ 47.230128] ___might_sleep.cold+0xa6/0xb6 # [ 47.235020] exit_signals+0x1c/0x300 # [ 47.239326] do_exit+0xc2/0xab0 # [ 47.243144] ? ksys_write+0x68/0xf0 # [ 47.247354] make_task_dead+0x2f/0x30 # [ 47.251756] rewind_stack_and_make_dead+0x17/0x20 # [ 47.257314] RIP: 0033:0x7f3fd3572473 # [ 47.261616] Code: 8b 15 21 2a 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 # [ 47.282977] RSP: 002b:00007ffcffaa81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.291754] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3fd3572473 # [ 47.300051] RDX: 000000000000000a RSI: 00007f3fd3466000 RDI: 0000000000000001 # [ 47.308347] RBP: 00007f3fd3466000 R08: 00007f3fd3465010 R09: 0000000000000000 # [ 47.316646] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.324941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh <6>[ 48.244529] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 48.251122] lkdtm: attempting good list addition <6>[ 48.256620] lkdtm: attempting corrupted list addition <3>[ 48.262587] lkdtm: list_add() corruption not detected! # [ 48.244529] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 48.251122] lkdtm: attempting good list addition # [ 48.256620] lkdtm: attempting corrupted list addition # [ 48.262587] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh <6>[ 48.535936] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 48.542524] lkdtm: attempting good list removal <6>[ 48.547928] lkdtm: attempting corrupted list removal <3>[ 48.553863] lkdtm: list_del() corruption not detected! # [ 48.535936] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 48.542524] lkdtm: attempting good list removal # [ 48.547928] lkdtm: attempting corrupted list removal # [ 48.553863] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 48.828069] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 48.835429] lkdtm: attempting bad read from page below current stack <0>[ 48.842889] BUG: stack guard page was hit at 00000000fc7ffe6a (stack is 0000000059197cd7..00000000820cf5a6) <4>[ 48.854119] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 48.861254] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 48.870140] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 48.877084] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 48.883927] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 18 aa 01 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 3e de fb ff 48 c7 c7 58 aa 01 8b <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 24 de fb ff 0f 1f 44 <4>[ 48.905289] RSP: 0018:ffffa900c176fe50 EFLAGS: 00010246 <4>[ 48.911446] RAX: 0000000000000038 RBX: ffffa900c176c000 RCX: 0000000000000000 <4>[ 48.919742] RDX: 0000000000000000 RSI: ffff99823bc9bf50 RDI: ffffffff8b01aa58 <4>[ 48.928041] RBP: ffffffff8b01a182 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.936337] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 48.944637] R13: ffffa900c176ff10 R14: ffffa900c176ff10 R15: ffff9981c28f3000 <4>[ 48.952936] FS: 00007fb5a6fde580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 <4>[ 48.962308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.969047] CR2: ffffa900c176bfff CR3: 0000000103342000 CR4: 00000000003506e0 <4>[ 48.977346] Call Trace: <4>[ 48.980383] <#DF> <4>[ 48.982939] ? __die_body.cold+0x1a/0x1f <4>[ 48.987636] ? die+0x2b/0x50 <4>[ 48.991160] ? handle_stack_overflow+0x3e/0x4d <4>[ 48.996439] ? no_context+0x24d/0x380 <4>[ 49.000837] <4>[ 49.003483] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 49.043745] ---[ end trace f420f41c7bc8cec0 ]--- <4>[ 49.049223] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 49.053917] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 49.075270] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 49.081429] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 49.089726] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 49.098025] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 49.106321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 49.114619] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 49.122917] FS: 00007fb5a6fde580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 <4>[ 49.132285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.139023] CR2: ffffa900c176bfff CR3: 0000000103342000 CR4: 00000000003506e0 <3>[ 49.147324] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 49.157573] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat <4>[ 49.166262] INFO: lockdep is turned off. <4>[ 49.170954] irq event stamp: 0 <4>[ 49.174674] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.181998] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.191466] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.200932] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.208256] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 49.217139] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 49.224067] Call Trace: <4>[ 49.227108] dump_stack+0x77/0x9b <4>[ 49.231121] ___might_sleep.cold+0xa6/0xb6 <4>[ 49.236012] exit_signals+0x1c/0x300 <4>[ 49.240316] do_exit+0xc2/0xab0 <4>[ 49.244135] ? ksys_write+0x68/0xf0 <4>[ 49.248342] make_task_dead+0x2f/0x30 <4>[ 49.252743] rewind_stack_and_make_dead+0x17/0x20 <4>[ 49.258311] RIP: 0033:0x7fb5a6ef4473 <4>[ 49.262608] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.283968] RSP: 002b:00007ffcff8b0808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.292754] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb5a6ef4473 <4>[ 49.301051] RDX: 0000000000000019 RSI: 00007fb5a6de8000 RDI: 0000000000000001 <4>[ 49.309348] RBP: 00007fb5a6de8000 R08: 00007fb5a6de7010 R09: 0000000000000000 <4>[ 49.317645] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.325943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 48.828069] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 48.835429] lkdtm: attempting bad read from page below current stack # [ 48.842889] BUG: stack guard page was hit at 00000000fc7ffe6a (stack is 0000000059197cd7..00000000820cf5a6) # [ 48.854119] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 48.861254] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 48.870140] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.877084] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 48.883927] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 18 aa 01 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 3e de fb ff 48 c7 c7 58 aa 01 8b <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 24 de fb ff 0f 1f 44 # [ 48.905289] RSP: 0018:ffffa900c176fe50 EFLAGS: 00010246 # [ 48.911446] RAX: 0000000000000038 RBX: ffffa900c176c000 RCX: 0000000000000000 # [ 48.919742] RDX: 0000000000000000 RSI: ffff99823bc9bf50 RDI: ffffffff8b01aa58 # [ 48.928041] RBP: ffffffff8b01a182 R08: 0000000000000000 R09: 0000000000000000 # [ 48.936337] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 48.944637] R13: ffffa900c176ff10 R14: ffffa900c176ff10 R15: ffff9981c28f3000 # [ 48.952936] FS: 00007fb5a6fde580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 # [ 48.962308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.969047] CR2: ffffa900c176bfff CR3: 0000000103342000 CR4: 00000000003506e0 # [ 48.977346] Call Trace: # [ 48.980383] <#DF> # [ 48.982939] ? __die_body.cold+0x1a/0x1f # [ 48.987636] ? die+0x2b/0x50 # [ 48.991160] ? handle_stack_overflow+0x3e/0x4d # [ 48.996439] ? no_context+0x24d/0x380 # [ 49.000837] # [ 49.003483] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 49.043745] ---[ end trace f420f41c7bc8cec0 ]--- # [ 49.049223] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.053917] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 49.075270] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 49.081429] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [<6>[ 49.633328] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 49.646292] lkdtm: attempting bad read from page above current stack <0>[ 49.653759] BUG: stack guard page was hit at 000000007a1ab4d9 (stack is 000000001f0208d3..00000000060a7116) <4>[ 49.664991] kernel stack overflow (page fault): 0000 [#4] SMP PTI 49.089726] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: f<4>[ 49.672126] CPU: 2 PID: 1010 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 49.687327] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 49.694271] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 49.707351] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 90 aa 01 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 de fb ff 48 c7 c7 d0 aa 01 8b <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 e7 dd fb ff <4>[ 49.728710] RSP: 0018:ffffa900c17dfe50 EFLAGS: 00010246 <4>[ 49.734868] RAX: 0000000000000038 RBX: ffffa900c17dc000 RCX: 0000000000000000 <4>[ 49.743163] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffffffff8b01aad0 <4>[ 49.751458] RBP: ffffffff8b01a19b R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.759756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 49.768057] R13: ffffa900c17dff10 R14: ffffa900c17dff10 R15: ffff9981c4d9c000 <4>[ 49.776358] FS: 00007f4efc01c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 49.785722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.792460] CR2: ffffa900c17e0000 CR3: 00000001027e6000 CR4: 00000000003506e0 <4>[ 49.800758] Call Trace: <4>[ 49.803794] <#DF> <4>[ 49.806350] ? __die_body.cold+0x1a/0x1f <4>[ 49.811048] ? die+0x2b/0x50 <4>[ 49.814575] ? handle_stack_overflow+0x3e/0x4d <4>[ 49.819855] ? no_context+0x24d/0x380 <4>[ 49.824252] <04000000000001 R09: 0000000000000001 # [ 49.106321] R10: 0000>[ 49.826896] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 49.873300] ---[ end trace f420f41c7bc8cec1 ]--- <4>[ 49.878777] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 49.883472] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 49.904829] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 49.910984] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 49.919278] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 49.927574] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 49.935871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 49.944170] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 49.952471] FS: 00007f4efc01c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 49.961845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.968573] CR2: ffffa900c17e0000 CR3: 00000001027e6000 CR4: 00000000003506e0 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.114619] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 49.122917] FS: 00007fb5a6fde580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 # [ 49.132285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.139023] CR2: ffffa900c176bfff CR3: 0000000103342000 CR4: 00000000003506e0 # [ 49.147324] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.157573] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat # [ 49.166262] INFO: lockdep is turned off. # [ 49.170954] irq event stamp: 0 # [ 49.174674] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.181998] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.191466] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.200932] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.208256] CPU: 1 PID: 976 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 49.217139] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 49.224067] Call Trace: # [ 49.227108] dump_stack+0x77/0x9b # [ 49.231121] ___might_sleep.cold+0xa6/0xb6 # [ 49.236012] exit_signals+0x1c/0x300 # [ 49.240316] do_exit+0xc2/0xab0 # [ 49.244135] ? ksys_write+0x68/0xf0 # [ 49.248342] make_task_dead+0x2f/0x30 # [ 49.252743] rewind_stack_and_make_dead+0x17/0x20 # [ 49.258311] RIP: 0033:0x7fb5a6ef4473 # [ 49.262608] Code: 8b 15 21 2a 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 # [ 49.283968] RSP: 002b:00007ffcff8b0808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.292754] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb5a6ef4473 # [ 49.301051] RDX: 0000000000000019 RSI: 00007fb5a6de8000 RDI: 0000000000000001 # [ 49.309348] RBP: 00007fb5a6de8000 R08: 00007fb5a6de7010 R09: 0000000000000000 # [ 49.317645] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.325943] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 49.633328] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 49.646292] lkdtm: attempting bad read from page above current stack # [ 49.653759] BUG: stack guard page was hit at 000000007a1ab4d9 (stack is 000000001f0208d3..00000000060a7116) # [ 49.664991] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 49.672126] CPU: 2 PID: 1010 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 49.687327] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 49.694271] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 49.707351] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 90 aa 01 8b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 0<6>[ 50.282493] lkdtm: Performing direct entry UNSET_SMEP <6>[ 50.288726] lkdtm: trying to clear SMEP normally <4>[ 50.294230] ------------[ cut here ]------------ <4>[ 50.299721] pinned CR4 bits changed: 0x100000!? <4>[ 50.305140] WARNING: CPU: 0 PID: 1047 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 4 de fb ff 48 c7 c7 d0 aa 01 8b <8a> 83 00 40 00 00 88 44 24 07 <4>[ 50.315700] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 50.362208] CPU: 0 PID: 1047 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 50.371204] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 50.378154] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 50.383638] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f8 51 86 02 00 75 f2 48 c7 c7 70 7c f1 8a c6 05 e8 51 86 02 01 e8 75 95 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 50.405021] RSP: 0018:ffffa900c185fe48 EFLAGS: 00010286 <4>[ 50.411189] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 <4>[ 50.419506] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 50.427827] RBP: ffffffff8b01a1b5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.436144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 50.444462] R13: ffffa900c185ff10 R14: ffffa900c185ff10 R15: ffff9981c4878000 <4>[ 50.452784] FS: 00007efe43ae3580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 50.462174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.468933] CR2: 00007efe438ed000 CR3: 00000001026f0000 CR4: 00000000003506f0 <4>[ 50.477250] Call Trace: <4>[ 50.480320] ? __warn+0x80/0x110 <4>[ 50.484255] ? native_write_cr4+0x45/0x60 <4>[ 50.489071] ? report_bug+0x9e/0xc0 <4>[ 50.493307] ? handle_bug+0x41/0x90 <4>[ 50.497536] ? exc_invalid_op+0x14/0x70 <4>[ 50.502155] ? asm_exc_invalid_op+0x12/0x20 <4>[ 50.507168] ? native_write_cr4+0x45/0x60 <4>[ 50.511981] ? native_write_cr4+0x45/0x60 <4>[ 50.516794] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 50.521996] direct_entry.cold+0x2c/0x38 <4>[ 50.526716] full_proxy_write+0x56/0x80 <4>[ 50.531335] vfs_write+0xea/0x3b0 <4>[ 50.535373] ksys_write+0x68/0xf0 0f b6 74 24 07 5a 5b e9 e7 dd fb ff # [ 49.728710] RSP: 0018:<4>[ 50.539407] do_syscall_64+0x33/0x40 <4>[ 50.549948] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ffffa900c17dfe50 EFLAGS: 00010246 # [ 49.734868] RAX: 0000000<4>[ 50.555934] RIP: 0033:0x7efe439f9473 000000038 RBX: ffffa900c17dc000 RCX: 0000000000000000 # [ 49.<4>[ 50.566474] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 50.594077] RSP: 002b:00007ffe87e5a408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.602881] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efe439f9473 <4>[ 50.611195] RDX: 000000000000000b RSI: 00007efe438ed000 RDI: 0000000000000001 <4>[ 50.619512] RBP: 00007efe438ed000 R08: 00007efe438ec010 R09: 0000000000000000 <4>[ 50.627865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.636204] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 50.644535] irq event stamp: 0 <4>[ 50.648276] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.655621] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.665100] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.674588] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.681930] ---[ end trace f420f41c7bc8cec2 ]--- <6>[ 50.687420] lkdtm: ok: SMEP did not get cleared <6>[ 50.692811] lkdtm: trying to clear SMEP with call gadget <6>[ 50.699080] lkdtm: ok: SMEP removal was reverted 743163] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffffffff8b01aad0 # [ 49.751458] RBP: ffffffff8b01a19b R08: 0000000000000000 R09: 0000000000000000 # [ 49.759756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 49.768057] R13: ffffa900c17dff10 R14: ffffa900c17dff10 R15: ffff9981c4d9c000 # [ 49.776358] FS: 00007f4efc01c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 49.785722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.792460] CR2: ffffa900c17e0000 CR3: 00000001027e6000 CR4: 00000000003506e0 # [ 49.800758] Call Trace: # [ 49.803794] <#DF> # [ 49.806350] ? __die_body.cold+0x1a/0x1f # [ 49.811048] ? die+0x2b/0x50 # [ 49.814575] ? handle_stack_overflow+0x3e/0x4d # [ 49.819855] ? no_context+0x24d/0x380 # [ 49.824252] # [ 49.826896] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 49.873300] ---[ end trace f420f41c7bc8cec1 ]--- # [ 49.878777] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.883472] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 49.904829] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 49.910984] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.919278] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 49.927574] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 49.935871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.944170] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 49.952471] FS: 00007f4efc01c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 49.961845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.968573] CR2: ffffa900c17e0000 CR3: 00000001027e6000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 50.282493] lkdtm: Performing direct entry UNSET_SMEP # [ 50.288726] lkdtm: trying to clear SMEP normally # [ 50.294230] ------------[ cut here ]------------ # [ 50.299721] pinned CR4 bits changed: 0x100000!? # [ 50.305140] WARNING: CPU: 0 PID: 1047 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 50.315700] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_e<6>[ 50.996431] lkdtm: Performing direct entry DOUBLE_FAULT c_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usb<3>[ 51.004055] lkdtm: XFAIL: this test is ia32-only pd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 50.362208] CPU: 0 PID: 1047 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 50.371204] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 50.378154] RIP: 0010:native_write_cr4+0x45/0x60 # [ 50.383638] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f8 51 86 02 00 75 f2 48 c7 c7 70 7c f1 8a c6 05 e8 51 86 02 01 e8 75 95 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 50.405021] RSP: 0018:ffffa900c185fe48 EFLAGS: 00010286 # [ 50.411189] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 # [ 50.419506] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 # [ 50.427827] RBP: ffffffff8b01a1b5 R08: 0000000000000000 R09: 0000000000000000 # [ 50.436144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 50.444462] R13: ffffa900c185ff10 R14: ffffa900c185ff10 R15: ffff9981c4878000 # [ 50.452784] FS: 00007efe43ae3580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 50.462174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.468933] CR2: 00007efe438ed000 CR3: 00000001026f0000 CR4: 00000000003506f0 # [ 50.477250] Call Trace: # [ 50.480320] ? __warn+0x80/0x110 # [ 50.484255] ? native_write_cr4+0x45/0x60 # [ 50.489071] ? report_bug+0x9e/0xc0 # [ 50.493307] ? handle_bug+0x41/0x90 # [ 50.497536] ? exc_invalid_op+0x14/0x70 # [ 50.502155] ? asm_exc_invalid_op+0x12/0x20 # [ 50.507168] ? native_write_cr4+0x45/0x60 # [ 50.511981] ? native_write_cr4+0x45/0x60 # [ 50.516794] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 50.521996] direct_entry.cold+0x2c/0x38 # [ 50.526716] full_proxy_write+0x56/0x80 # [ 50.531335] vfs_write+0xea/0x3b0 # [ 50.535373] ksys_write+0x68/0xf0 # [ 50.539407] do_syscall_64+0x33/0x40 # [ 50.549948] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.555934] RIP: 0033:0x7efe439f9473 # [ 50.566474] Code: 8b 15 21 2a 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 # [ 50.594077] RSP: 002b:00007ffe87e5a408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.602881] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efe439f9473 # [ 50.611195] RDX: 000000000000000b RSI: 00007efe438ed000 RDI: 0000000000000001 # [ 50.619512] RBP: 00007efe438ed000 R08: 00007efe438ec010 R09: 0000000000000000 # [ 50.627865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.636204] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.644535] irq event stamp: 0 # [ 50.648276] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.6<6>[ 51.290639] lkdtm: Performing direct entry CORRUPT_PAC 55621] hardirqs last disabled at (0): [] copy_<3>[ 51.302651] lkdtm: XFAIL: this test is arm64-only process+0x65c/0x20e0 # [ 50.665100] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.674588] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.681930] ---[ end trace f420f41c7bc8cec2 ]--- # [ 50.687420] lkdtm: ok: SMEP did not get cleared # [ 50.692811] lkdtm: trying to clear SMEP with call gadget # [ 50.699080] 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 # [ 50.996431] lkdtm: Performing direct entry DOUBLE_FAULT # [ 51.004055] 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 # [ 51.290639] lkdtm: Performing direct entry CORRUPT_PAC # [ 51.302651] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh <6>[ 51.591590] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 51.599166] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 51.591590] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 51.599166] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh <6>[ 52.152569] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 52.159078] lkdtm: Value in memory before free: 12345678 <6>[ 52.165355] lkdtm: Attempting bad read from freed memory <6>[ 52.171635] lkdtm: Memory was not poisoned # [ 52.152569] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.159078] lkdtm: Value in memory before free: 12345678 # [ 52.165355] lkdtm: Attempting bad read from freed memory # [ 52.171635] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 52.591296] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 52.598387] lkdtm: Value in memory before free: 12345678 <6>[ 52.604677] lkdtm: Attempting to read from freed memory <6>[ 52.610857] lkdtm: Buddy page was not poisoned # [ 52.591296] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.598387] lkdtm: Value in memory before free: 12345678 # [ 52.604677] lkdtm: Attempting to read from freed memory # [ 52.610857] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 52.877442] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 52.884039] lkdtm: Attempting double slab free ... # [ 52.877442] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 52.884039] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 53.154120] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 53.160618] lkdtm: Attempting cross-cache slab free ... # [ 53.154120] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.160618] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 53.440773] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 53.447172] lkdtm: Attempting non-Slab slab free ... # [ 53.440773] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.447172] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 54.246067] lkdtm: Performing direct entry EXEC_DATA <6>[ 54.251991] lkdtm: attempting ok execution at ffffffff8977c5f0 <6>[ 54.258895] lkdtm: attempting bad execution at ffffffff8ca25d40 <2>[ 54.265880] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.274568] BUG: unable to handle page fault for address: ffffffff8ca25d40 <1>[ 54.282573] #PF: supervisor instruction fetch in kernel mode <1>[ 54.289215] #PF: error_code(0x0011) - permissions violation <6>[ 54.295758] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 800000014a8000e3 <4>[ 54.303873] Oops: 0011 [#5] SMP PTI <4>[ 54.308083] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 54.317062] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.324003] RIP: 0010:data_area+0x0/0x40 <4>[ 54.328697] Code: ff ff 00 33 81 c0 81 99 ff ff 00 32 81 c0 81 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 54.350049] RSP: 0018:ffffa900c1fe7e48 EFLAGS: 00010246 <4>[ 54.356204] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.364493] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 <4>[ 54.372787] RBP: ffffffff8ca25d40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.381077] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 54.389368] R13: ffffa900c1fe7f10 R14: ffffa900c1fe7f10 R15: ffff9981c2ef2000 <4>[ 54.397667] FS: 00007fcf92826580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 <4>[ 54.407039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.413779] CR2: ffffffff8ca25d40 CR3: 0000000105854000 CR4: 00000000003506e0 <4>[ 54.422076] Call Trace: <4>[ 54.425123] ? __die_body.cold+0x1a/0x1f <4>[ 54.429822] ? no_context+0x177/0x380 <4>[ 54.434228] ? exc_page_fault+0xd7/0x170 <4>[ 54.438927] ? asm_exc_page_fault+0x1e/0x30 <4>[ 54.443927] ? execute_location+0x48/0x56 <4>[ 54.448714] ? direct_entry.cold+0x2c/0x38 <4>[ 54.453606] ? full_proxy_write+0x56/0x80 <4>[ 54.458392] ? vfs_write+0xea/0x3b0 <4>[ 54.462593] ? ksys_write+0x68/0xf0 <4>[ 54.466793] ? do_syscall_64+0x33/0x40 <4>[ 54.471286] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 54.477440] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 54.517691] CR2: ffffffff8ca25d40 <4>[ 54.521705] ---[ end trace f420f41c7bc8cec3 ]--- <4>[ 54.527183] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.531876] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 54.553231] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 54.559379] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.567677] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 54.575977] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.584274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.592570] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 54.600870] FS: 00007fcf92826580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 <4>[ 54.610229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.616967] CR2: ffffffff8ca25d40 CR3: 0000000105854000 CR4: 00000000003506e0 <3>[ 54.625269] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 54.635501] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1570, name: cat <4>[ 54.644280] INFO: lockdep is turned off. <4>[ 54.648969] irq event stamp: 0 <4>[ 54.652690] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.660015] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.669483] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.678952] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.686279] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 54.695244] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.702159] Call Trace: <4>[ 54.705198] dump_stack+0x77/0x9b <4>[ 54.709207] ___might_sleep.cold+0xa6/0xb6 <4>[ 54.714093] exit_signals+0x1c/0x300 <4>[ 54.718396] do_exit+0xc2/0xab0 <4>[ 54.722212] ? ksys_write+0x68/0xf0 <4>[ 54.726412] make_task_dead+0x2f/0x30 <4>[ 54.730804] rewind_stack_and_make_dead+0x17/0x20 <4>[ 54.736363] RIP: 0033:0x7fcf9273c473 <4>[ 54.740662] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 54.761990] RSP: 002b:00007ffd02dd2e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.770765] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcf9273c473 <4>[ 54.779056] RDX: 000000000000000a RSI: 00007fcf92630000 RDI: 0000000000000001 <4>[ 54.787349] RBP: 00007fcf92630000 R08: 00007fcf9262f010 R09: 0000000000000000 <4>[ 54.795628] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.803912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 54.246067] lkdtm: Performing direct entry EXEC_DATA # [ 54.251991] lkdtm: attempting ok execution at ffffffff8977c5f0 # [ 54.258895] lkdtm: attempting bad execution at ffffffff8ca25d40 # [ 54.265880] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.274568] BUG: unable to handle page fault for address: ffffffff8ca25d40 # [ 54.282573] #PF: supervisor instruction fetch in kernel mode # [ 54.289215] #PF: error_code(0x0011) - permissions violation # [ 54.295758] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 800000014a8000e3 # [ 54.303873] Oops: 0011 [#5] SMP PTI # [ 54.308083] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 54.317062] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.324003] RIP: 0010:data_area+0x0/0x40 # [ 54.328697] Code: ff ff 00 33 81 c0 81 99 ff ff 00 32 81 c0 81 99 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 # [ 54.350049] RSP: 0018:ffffa900c1fe7e48 EFLAGS: 00010246 # [ 54.356204] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.364493] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 # [ 54.372787] RBP: ffffffff8ca25d40 R08: 0000000000000000 R09: 0000000000000000 # [ 54.381077] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.389368] R13: ffffa900c1fe7f10 R14: ffffa900c1fe7f10 R15: ffff9981c2ef2000 # [ 54.397667] FS: 00007fcf92826580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 54.407039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.413779] CR2: ffffffff8ca25d40 CR3: 0000000105854000 CR4: 00000000003506e0 # [ 54.422076] Call Trace: # [ 54.425123] ? __die_body.cold+0x1a/0x1f # [ 54.429822] ? no_context+0x177/0x380 # [ 54.434228] ? exc_page_fault+0xd7/0x170 # [ 54.438927] ? asm_exc_page_fault+0x1e/0x30 # [ 54.443927] ? execute_location+0x48/0x56 # [ 54.448714] ? direct_entry.cold+0x2c/0x38 # [ 54.453606] ? full_proxy_write+0x56/0x80 # [ 54.458392] ? vfs_write+0xea/0x3b0 # [ 54.462593] ? ksys_write+0x68/0xf0 # [ 54.466793] ? do_syscall_64+0x33/0x40 # [ 54.471286] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.477440] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 54.517691] CR2: ffffffff8ca25d40 # [ 54.<6>[ 55.137726] lkdtm: Performing direct entry EXEC_STACK <6>[ 55.146313] lkdtm: attempting ok execution at ffffffff8977c5f0 <6>[ 55.153194] lkdtm: attempting bad execution at ffffa900c2077e18 521705] ---[ end trace f420f41c7bc8cec3 ]--- # [ 54.527183] R<2>[ 55.160159] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 55.175030] BUG: unable to handle page fault for address: ffffa900c2077e18 <1>[ 55.183031] #PF: supervisor instruction fetch in kernel mode IP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.531876] Code: 89 ff e8 5e <1>[ 55.189662] #PF: error_code(0x0011) - permissions violation <6>[ 55.202430] PGD 100000067 P4D 100000067 PUD 100245067 PMD 106355067 PTE 800000010608d063 d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c<4>[ 55.211806] Oops: 0011 [#6] SMP PTI <4c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f>[ 55.222233] CPU: 0 PID: 1607 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 55.237346] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.244277] RIP: 0010:0xffffa900c2077e18 <4>[ 55.248970] Code: 00 00 18 7e 07 c2 00 a9 ff ff df 36 e4 89 ff ff ff ff 20 00 00 00 00 00 00 00 de a2 01 8b ff ff ff ff 0b 38 e4 89 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 55.270306] RSP: 0018:ffffa900c2077df8 EFLAGS: 00010246 <4>[ 55.276453] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.284738] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 55.293031] RBP: ffffa900c2077e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.301325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 55.309613] R13: ffffa900c2077f10 R14: ffffa900c2077f10 R15: ffff9981c4874000 <4>[ 55.317908] FS: 00007f139d523580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 55.327263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.333997] CR2: ffffa900c2077e18 CR3: 00000001034da000 CR4: 00000000003506f0 <4>[ 55.342289] Call Trace: <4>[ 55.345340] ? __die_body.cold+0x1a/0x1f <4>[ 55.350035] ? no_context+0x177/0x380 <4>[ 55.354442] ? exc_page_fault+0xd7/0x170 <4>[ 55.359141] ? asm_exc_page_fault+0x1e/0x30 <4>[ 55.364135] ? execute_location+0x48/0x56 <4>[ 55.368913] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 55.373707] ? direct_entry.cold+0x2c/0x38 <4>[ 55.378595] ? full_proxy_write+0x56/0x80 <4>[ 55.383388] ? vfs_write+0xea/0x3b0 <4>[ 55.387592] ? ksys_write+0x68/0xf0 <4>[ 55.391799] ? do_syscall_64+0x33/0x40 <4>[ 55.396291] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03 # [ 54.<4>[ 55.402454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 55.448863] CR2: ffffa900c2077e18 <4>[ 55.452867] ---[ end trace f420f41c7bc8cec4 ]--- <4>[ 55.458341] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.463031] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 55.484363] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 553231] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 54.55<4>[ 55.490519] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.505047] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 55.513325] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.521616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.529907] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 55.538206] FS: 00007f139d523580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 55.547568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.554303] CR2: ffffa900c2077e18 CR3: 00000001034da000 CR4: 00000000003506f0 9379] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.567677] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 54.575977] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 54.584274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.592570] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 54.600870] FS: 00007fcf92826580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 54.610229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.616967] CR2: ffffffff8ca25d40 CR3: 0000000105854000 CR4: 00000000003506e0 # [ 54.625269] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.635501] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1570, name: cat # [ 54.644280] INFO: lockdep is turned off. # [ 54.648969] irq event stamp: 0 # [ 54.652690] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.660015] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.669483] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.678952] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.686279] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 54.695244] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.702159] Call Trace: # [ 54.705198] dump_stack+0x77/0x9b # [ 54.709207] ___might_sleep.cold+0xa6/0xb6 # [ 54.714093] exit_signals+0x1c/0x300 # [ 54.718396] do_exit+0xc2/0xab0 # [ 54.722212] ? ksys_write+0x68/0xf0 # [ 54.726412] make_task_dead+0x2f/0x30 # [ 54.730804] rewind_stack_and_make_dead+0x17/0x20 # [ 54.736363] RIP: 0033:0x7fcf9273c473 # [ 54.740662] Code: 8b 15 21 2a 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 # [ 54.761990] RSP: 002b:00007ffd02dd2e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.770765] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcf9273c473 # [ 54.779056] RDX: 000000000000000a RSI: 00007fcf92630000 RDI: 0000000000000001 # [ 54.787349] RBP: 00007fcf92630000 R08: 00007fcf9262f010 R09: 0000000000000000 # [ 54.795628] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.803912] 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 # [ 55.137726] lkdtm: Performing direct entry EXEC_STACK # [ 55.146313] lkdtm: attempting ok execution at ffffffff8977c5f0 # [ 55.153194] lkdtm<6>[ 55.833294] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 55.843312] lkdtm: attempting ok execution at ffffffff8977c5f0 <6>[ 55.850181] lkdtm: attempting bad execution at ffff9981c3376640 : attempting bad execution at ffffa900c2077e18 # [ 55.160159]<2>[ 55.857159] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 55.872053] BUG: unable to handle page fault for address: ffff9981c3376640 kernel tried to execute NX-protected page - exploit attempt? (u<1>[ 55.880062] #PF: supervisor instruction fetch in kernel mode <1>[ 55.892934] #PF: error_code(0x0011) - permissions violation <6>[ 55.899481] PGD 14aa01067 P4D 14aa01067 PUD 10087d063 PMD 105b6e063 PTE 8000000103376063 <4>[ 55.908861] Oops: 0011 [#7] SMP PTI <4>[ 55.913069] CPU: 2 PID: 1644 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 55.922049] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.928989] RIP: 0010:0xffff9981c3376640 <4>[ 55.933684] Code: ad de c0 96 6f c2 81 99 ff ff c0 61 37 c3 81 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb f2 cf 88 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 55.955044] RSP: 0018:ffffa900c212fe38 EFLAGS: 00010246 <4>[ 55.961203] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.969499] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 <4>[ 55.977799] RBP: ffff9981c3376640 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.986097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 55.994394] R13: ffffa900c212ff10 R14: ffffa900c212ff10 R15: ffff9981c30f5000 <4>[ 56.002695] FS: 00007f718aa2c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 56.012068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.018803] CR2: ffff9981c3376640 CR3: 00000001030ea000 CR4: 00000000003506e0 <4>[ 56.027099] Call Trace: <4>[ 56.030148] ? __die_body.cold+0x1a/0x1f <4>[ 56.034841] ? no_context+0x177/0x380 <4>[ 56.039249] ? exc_page_fault+0xd7/0x170 <4>[ 56.043946] ? asm_exc_page_fault+0x1e/0x30 <4>[ 56.048933] ? execute_location+0x48/0x56 <4>[ 56.053717] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 56.058700] ? direct_entry.cold+0x2c/0x38 <4>[ 56.063594] ? full_proxy_write+0x56/0x80 <4>[ 56.068388] ? vfs_write+0xea/0x3b0 <4>[ 56.072593] ? ksys_write+0x68/0xf0 <4>[ 56.076796] ? do_syscall_64+0x33/0x40 <4>[ 56.081290] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 id: 0) # [ 55.175030] BUG: unable to handle page fault for ad<4>[ 56.087451] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 56.133873] CR2: ffff9981c3376640 <4>[ 56.137884] ---[ end trace f420f41c7bc8cec5 ]--- <4>[ 56.143358] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 56.148056] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 56.169409] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 56.175563] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.183858] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 56.192146] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 56.200442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 56.208737] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 56.217035] FS: 00007f718aa2c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 56.226406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.233143] CR2: ffff9981c3376640 CR3: 00000001030ea000 CR4: 00000000003506e0 <3>[ 56.241439] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 56.251684] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, name: cat <4>[ 56.260465] INFO: lockdep is turned off. <4>[ 56.265154] irq event stamp: 0 <4>[ 56.268872] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.276198] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.285670] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.295137] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.302461] CPU: 2 PID: 1644 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 56.311442] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.318375] Call Trace: <4>[ 56.321419] dump_stack+0x77/0x9b <4>[ 56.325433] ___might_sleep.cold+0xa6/0xb6 <4>[ 56.330328] exit_signals+0x1c/0x300 <4>[ 56.334632] do_exit+0xc2/0xab0 <4>[ 56.338450] ? ksys_write+0x68/0xf0 <4>[ 56.342660] make_task_dead+0x2f/0x30 <4>[ 56.347062] rewind_stack_and_make_dead+0x17/0x20 <4>[ 56.352632] RIP: 0033:0x7f718a942473 <4>[ 56.356934] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 56.378288] RSP: 002b:00007ffd373bcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.387079] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f718a942473 <4>[ 56.395377] RDX: 000000000000000d RSI: 00007f718a836000 RDI: 0000000000000001 <4>[ 56.403668] RBP: 00007f718a836000 R08: 00007f718a835010 R09: 0000000000000000 <4>[ 56.411960] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.420260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dress: ffffa900c2077e18 # [ 55.183031] #PF: supervisor instruction fetch in kernel mode # [ 55.189662] #PF: error_code(0x0011) - permissions violation # [ 55.202430] PGD 100000067 P4D 100000067 PUD 100245067 PMD 106355067 PTE 800000010608d063 # [ 55.211806] Oops: 0011 [#6] SMP PTI # [ 55.222233] CPU: 0 PID: 1607 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 55.237346] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.244277] RIP: 0010:0xffffa900c2077e18 # [ 55.248970] Code: 00 00 18 7e 07 c2 00 a9 ff ff df 36 e4 89 ff ff ff ff 20 00 00 00 00 00 00 00 de a2 01 8b ff ff ff ff 0b 38 e4 89 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 # [ 55.270306] RSP: 0018:ffffa900c2077df8 EFLAGS: 00010246 # [ 55.276453] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.284738] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 # [ 55.293031] RBP: ffffa900c2077e18 R08: 0000000000000000 R09: 0000000000000000 # [ 55.301325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 55.309613] R13: ffffa900c2077f10 R14: ffffa900c2077f10 R15: ffff9981c4874000 # [ 55.317908] FS: 00007f139d523580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 55.327263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.333997] CR2: ffffa900c2077e18 CR3: 00000001034da000 CR4: 00000000003506f0 # [ 55.342289] Call Trace: # [ 55.345340] ? __die_body.cold+0x1a/0x1f # [ 55.350035] ? no_context+0x177/0x380 # [ 55.354442] ? exc_page_fault+0xd7/0x170 # [ 55.359141] ? asm_exc_page_fault+0x1e/0x30 # [ 55.364135] ? execute_location+0x48/0x56 # [ 55.368913] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 55.373707] ? direct_entry.cold+0x2c/0x38 # [ 55.378595] ? full_proxy_write+0x56/0x80 # [ 55.383388] ? vfs_write+0xea/0x3b0 # [ 55.387592] ? ksys_write+0x68/0xf0 # [ 55.391799] ? do_syscall_64+0x33/0x40 # [ 55.396291] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.402454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 55.448863] CR2: ffffa900c2077e18 # [ 55.452867] ---[ end trace f420f41c7bc8cec4 ]--- # [ 55.458341] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.463031] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 55.484363] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 55.490519] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.505047] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 55.513325] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <6>[ 56.731386] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 56.740512] lkdtm: attempting ok execution at ffffffff8977c5f0 # [ 55.521616] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<6>[ 56.747388] lkdtm: attempting bad execution at ffffa900c01d7000 2: 0000000000000004 # [ 55.529907] R13: ffffa900c122ff10 R14:<2>[ 56.760553] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 56.775472] BUG: unable to handle page fault for address: ffffa900c01d7000 <1>[ 56.783478] #PF: supervisor instruction fetch in kernel mode <1>[ 56.790116] #PF: error_code(0x0011) - permissions violation <6>[ 56.796661] PGD 100000067 P4D 100000067 PUD 100245067 PMD 100248067 PTE 80000001063cd063 <4>[ 56.806048] Oops: 0011 [#8] SMP PTI ffffa900c122ff10 R15: ffff9981c3436000 # [ 55.538206] FS: 0<4>[ 56.810251] CPU: 2 PID: 1681 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 56.825456] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.832391] RIP: 0010:0xffffa900c01d7000 <4>[ 56.837091] Code: Unable to access opcode bytes at RIP 0xffffa900c01d6fd6. <4>[ 56.845093] RSP: 0018:ffffa900c2187e38 EFLAGS: 00010246 <4>[ 56.851246] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.859537] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 <4>[ 56.867828] RBP: ffffa900c01d7000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.876121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 56.884419] R13: ffffa900c2187f10 R14: ffffa900c2187f10 R15: ffff9981c63cd000 <4>[ 56.892714] FS: 00007fa6d3fdd580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 56.902084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.908821] CR2: ffffa900c01d6fd6 CR3: 000000010376c000 CR4: 00000000003506e0 <4>[ 56.917113] Call Trace: <4>[ 56.920161] ? __die_body.cold+0x1a/0x1f <4>[ 56.924856] ? no_context+0x177/0x380 <4>[ 56.929262] ? exc_page_fault+0xd7/0x170 <4>[ 56.933959] ? asm_exc_page_fault+0x1e/0x30 <4>[ 56.938955] ? execute_location+0x48/0x56 <4>[ 56.943749] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 56.948735] ? direct_entry.cold+0x2c/0x38 <4>[ 56.953618] ? full_proxy_write+0x56/0x80 <4>[ 56.958413] ? vfs_write+0xea/0x3b0 <4>[ 56.962622] ? ksys_write+0x68/0xf0 <4>[ 56.966828] ? do_syscall_64+0x33/0x40 <4>[ 56.971328] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 0007f139d523580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000<4>[ 56.977490] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 57.023964] CR2: ffffa900c01d7000 <4>[ 57.027976] ---[ end trace f420f41c7bc8cec6 ]--- <4>[ 57.033451] RIP: 0010:lkdtm_BUG+0x5/0x10 000000 # [ 55.547568] CS: 0010 DS: 0000 ES: 0000 CR0: 000000<4>[ 57.038138] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 57.065728] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 57.071885] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.080181] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 57.088476] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.096773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.105071] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 57.113370] FS: 00007fa6d3fdd580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 57.122740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.129479] CR2: ffffa900c01d6fd6 CR3: 000000010376c000 CR4: 00000000003506e0 0080050033 # [ 55.554303] CR2: ffffa900c2077e18 CR3: 00000001034da000 CR4: 00000000003506f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 55.833294] lkdtm: Performing direct entry EXEC_KMALLOC # [ 55.843312] lkdtm: attempting ok execution at ffffffff8977c5f0 # [ 55.850181] lkdtm: attempting bad execution at ffff9981c3376640 # [ 55.857159] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.872053] BUG: unable to handle page fault for address: ffff9981c3376640 # [ 55.880062] #PF: supervisor instruction fetch in kernel mode # [ 55.892934] #PF: error_code(0x0011) - permissions violation # [ 55.899481] PGD 14aa01067 P4D 14aa01067 PUD 10087d063 PMD 105b6e063 PTE 8000000103376063 # [ 55.908861] Oops: 0011 [#7] SMP PTI # [ 55.913069] CPU: 2 PID: 1644 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 55.922049] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.928989] RIP: 0010:0xffff9981c3376640 # [ 55.933684] Code: ad de c0 96 6f c2 81 99 ff ff c0 61 37 c3 81 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb f2 cf 88 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 # [ 55.955044] RSP: 0018:ffffa900c212fe38 EFLAGS: 00010246 # [ 55.961203] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.969499] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 # [ 55.977799] RBP: ffff9981c3376640 R08: 0000000000000000 R09: 0000000000000000 # [ 55.986097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.994394] R13: ffffa900c212ff10 R14: ffffa900c212ff10 R15: ffff9981c30f5000 # [ 56.002695] FS: 00007f718aa2c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 56.012068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.018803] CR2: ffff9981c3376640 CR3: 00000001030ea000 CR4: 00000000003506e0 # [ 56.027099] Call Trace: # [ 56.030148] ? __die_body.cold+0x1a/0x1f # [ 56.034841] ? no_context+0x177/0x380 # [ 56.039249] ? exc_page_fault+0xd7/0x170 # [ 56.043946] ? asm_exc_page_fault+0x1e/0x30 # [ 56.048933] ? execute_location+0x48/0x56 # [ 56.053717] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 56.058700] ? direct_entry.cold+0x2c/0x38 # [ 56.063594] ? full_proxy_write+0x56/0x80 # [ 56.068388] ? vfs_write+0xea/0x3b0 # [ 56.072593] ? ksys_write+0x68/0xf0 # [ 56.076796] ? do_syscall_64+0x33/0x40 # [ 56.081290] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.087451] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid sn<6>[ 57.422347] lkdtm: Performing direct entry EXEC_RODATA <6>[ 57.430913] lkdtm: attempting ok execution at ffffffff8977c5f0 <6>[ 57.437784] lkdtm: attempting bad execution at ffffffff8ab944c0 <2>[ 57.444763] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 57.453451] BUG: unable to handle page fault for address: ffffffff8ab944c0 d_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_ps<1>[ 57.461455] #PF: supervisor instruction fetch in kernel mode <1>[ 57.474321] #PF: error_code(0x0011) - permissions violation <6>[ 57.480867] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 80000001488001e1 <4>[ 57.488988] Oops: 0011 [#9] SMP PTI <4>[ 57.493190] CPU: 0 PID: 1718 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 57.502165] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.509105] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 57.515161] Code: ff ff 7b 4c e4 89 ff ff ff ff 2a a5 01 8b ff ff ff ff c1 33 e4 89 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 57.536520] RSP: 0018:ffffa900c226fe48 EFLAGS: 00010246 <4>[ 57.542674] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 57.550971] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 57.559269] RBP: ffffffff8ab944c0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.567568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 57.575865] R13: ffffa900c226ff10 R14: ffffa900c226ff10 R15: ffff9981c26c7000 <4>[ 57.584165] FS: 00007fd7708cc580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 57.593538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.600272] CR2: ffffffff8ab944c0 CR3: 0000000104878000 CR4: 00000000003506f0 <4>[ 57.608570] Call Trace: <4>[ 57.611617] ? __die_body.cold+0x1a/0x1f <4>[ 57.616312] ? no_context+0x177/0x380 <4>[ 57.620724] ? exc_page_fault+0xd7/0x170 <4>[ 57.625421] ? asm_exc_page_fault+0x1e/0x30 <4>[ 57.630422] ? execute_location+0x48/0x56 <4>[ 57.635213] ? direct_entry.cold+0x2c/0x38 <4>[ 57.640105] ? full_proxy_write+0x56/0x80 <4>[ 57.644894] ? vfs_write+0xea/0x3b0 <4>[ 57.649099] ? ksys_write+0x68/0xf0 <4>[ 57.653302] ? do_syscall_64+0x33/0x40 <4>[ 57.657791] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 tore coreboot_table # [ 56.133873] CR2: ffff9981c3376640 # [<4>[ 57.663954] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 57.710439] CR2: ffffffff8ab944c0 <4>[ 57.714453] ---[ end trace f420f41c7bc8cec7 ]--- <4>[ 57.719929] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.724622] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 57.745984] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 57.752140] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.760437] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 57.768730] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.777024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.785317] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 57.793612] FS: 00007fd7708cc580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 57.802976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.809713] CR2: ffffffff8ab944c0 CR3: 0000000104878000 CR4: 00000000003506f0 <3>[ 57.818012] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 57.828260] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1718, name: cat <4>[ 57.837043] INFO: lockdep is turned off. <4>[ 57.841733] irq event stamp: 0 <4>[ 57.845454] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.852781] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.862248] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.871718] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.879043] CPU: 0 PID: 1718 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 57.888022] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.894952] Call Trace: <4>[ 57.897987] dump_stack+0x77/0x9b <4>[ 57.902001] ___might_sleep.cold+0xa6/0xb6 <4>[ 57.906891] exit_signals+0x1c/0x300 <4>[ 57.911196] do_exit+0xc2/0xab0 <4>[ 57.915004] ? ksys_write+0x68/0xf0 <4>[ 57.919216] make_task_dead+0x2f/0x30 <4>[ 57.923615] rewind_stack_and_make_dead+0x17/0x20 <4>[ 57.929178] RIP: 0033:0x7fd7707e2473 <4>[ 57.933478] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 57.954808] RSP: 002b:00007ffd5c61cbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.963585] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd7707e2473 <4>[ 57.971881] RDX: 000000000000000c RSI: 00007fd7706d6000 RDI: 0000000000000001 <4>[ 57.980177] RBP: 00007fd7706d6000 R08: 00007fd7706d5010 R09: 0000000000000000 <4>[ 57.988470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.996770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 56.137884] ---[ end trace f420f41c7bc8cec5 ]--- # [ 56.143358] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.148056] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 56.169409] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 56.175563] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.183858] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 56.192146] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 56.200442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.208737] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 56.217035] FS: 00007f718aa2c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 56.226406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.233143] CR2: ffff9981c3376640 CR3: 00000001030ea000 CR4: 00000000003506e0 # [ 56.241439] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.251684] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, name: cat # [ 56.260465] INFO: lockdep is turned off. # [ 56.265154] irq event stamp: 0 # [ 56.268872] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.276198] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.285670] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.295137] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.302461] CPU: 2 PID: 1644 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 56.311442] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.318375] Call Trace: # [ 56.321419] dump_stack+0x77/0x9b # [ 56.325433] ___might_sleep.cold+0xa6/0xb6 # [ 56.330328] exit_signals+0x1c/0x300 # [ 56.334632] do_exit+0xc2/0xab0 # [ 56.338450] ? ksys_write+0x68/0xf0 # [ 56.342660] make_task_dead+0x2f/0x30 # [ 56.347062] rewind_stack_and_make_dead+0x17/0x20 # [ 56.352632] RIP: 0033:0x7f718a942473 # [ 56.356934] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.378288] RSP: 002b:00007ffd373bcfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.387079] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f718a942473 # [ 56.395377] RDX: 000000000000000d RSI: 00007f718a836000 RDI: 0000000000000001 # [ 56.403668] RBP: 00007f718a836000 R08: 00007f718a835010 R09: 0000000000000000 # [ 56.411960] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.420260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 56.731386] lkdtm: Performing direct entry EXEC_VMALLOC # [ 56.740512] lkdtm: attempting ok execution at ffffffff8977c5f0 # [ 56.747388] lkdtm: attempting bad execution at ffffa900c01d7000 # [ 56.760553] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.775472] BUG: unable to handle p<6>[ 58.329825] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 58.341993] lkdtm: attempting ok execution at ffffffff8977c5f0 age fault for address: ffffa900c01d7000 # [ 56.783478] #PF: s<6>[ 58.348911] lkdtm: attempting bad execution at 00007f1a9961a000 upervisor instruction fetch in kernel mode # [ 56.790116] #PF<2>[ 58.362131] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 58.375069] BUG: unable to handle page fault for address: 00007f1a9961a000 <1>[ 58.383073] #PF: supervisor instruction fetch in kernel mode <1>[ 58.389713] #PF: error_code(0x0011) - permissions violation : error_code(0x0011) - permissions violation # [ 56.796661] P<6>[ 58.396258] PGD 80000001026c8067 P4D 80000001026c8067 PUD 1061b2067 PMD 1052e7067 PTE 10de15067 <4>[ 58.412563] Oops: 0011 [#10] SMP PTI GD 100000067 P4D 100000067 PUD 100245067 PMD 100248067 PTE 80000<4>[ 58.416870] CPU: 0 PID: 1755 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 58.432080] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.439021] RIP: 0010:0x7f1a9961a000 <4>[ 58.443324] Code: Unable to access opcode bytes at RIP 0x7f1a99619fd6. <4>[ 58.450931] RSP: 0018:ffffa900c22f7e50 EFLAGS: 00010246 <4>[ 58.457079] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 58.465371] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 58.473662] RBP: 00007f1a9961a000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.481960] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 58.490254] R13: ffffa900c22f7f10 R14: ffffa900c22f7f10 R15: ffff9981c62e0000 <4>[ 58.498551] FS: 00007f1a995eb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 58.507908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.514639] CR2: 00007f1a9961a000 CR3: 00000001062e6000 CR4: 00000000003506f0 <4>[ 58.522923] Call Trace: <4>[ 58.525971] ? __die_body.cold+0x1a/0x1f <4>[ 58.530669] ? no_context+0x177/0x380 <4>[ 58.535073] ? exc_page_fault+0x53/0x170 <4>[ 58.539770] ? asm_exc_page_fault+0x1e/0x30 <4>[ 58.544766] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae <4>[ 58.550438] ? direct_entry.cold+0x2c/0x38 <4>[ 58.555333] ? full_proxy_write+0x56/0x80 <4>[ 58.560127] ? vfs_write+0xea/0x3b0 <4>[ 58.564328] ? ksys_write+0x68/0xf0 <4>[ 58.568520] ? do_syscall_64+0x33/0x40 <4>[ 58.573020] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 001063cd063 # [ 56.806048] Oops: 0011 [#8] SMP PTI # [ 56.<4>[ 58.579183] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 58.625650] CR2: 00007f1a9961a000 <4>[ 58.629664] ---[ end trace f420f41c7bc8cec8 ]--- <4>[ 58.635134] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.639827] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 58.661174] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 58.667326] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.675615] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 58.683914] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.692211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.700508] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 58.708809] FS: 00007f1a995eb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 58.718179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.724917] CR2: 00007f1a9961a000 CR3: 00000001062e6000 CR4: 00000000003506f0 810251] CPU: 2 PID: 1681 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 56.825456] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.832391] RIP: 0010:0xffffa900c01d7000 # [ 56.837091] Code: Unable to access opcode bytes at RIP 0xffffa900c01d6fd6. # [ 56.845093] RSP: 0018:ffffa900c2187e38 EFLAGS: 00010246 # [ 56.851246] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.859537] RDX: 0000000000000000 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 # [ 56.867828] RBP: ffffa900c01d7000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.876121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 56.884419] R13: ffffa900c2187f10 R14: ffffa900c2187f10 R15: ffff9981c63cd000 # [ 56.892714] FS: 00007fa6d3fdd580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 56.902084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.908821] CR2: ffffa900c01d6fd6 CR3: 000000010376c000 CR4: 00000000003506e0 # [ 56.917113] Call Trace: # [ 56.920161] ? __die_body.cold+0x1a/0x1f # [ 56.924856] ? no_context+0x177/0x380 # [ 56.929262] ? exc_page_fault+0xd7/0x170 # [ 56.933959] ? asm_exc_page_fault+0x1e/0x30 # [ 56.938955] ? execute_location+0x48/0x56 # [ 56.943749] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 56.948735] ? direct_entry.cold+0x2c/0x38 # [ 56.953618] ? full_proxy_write+0x56/0x80 # [ 56.958413] ? vfs_write+0xea/0x3b0 # [ 56.962622] ? ksys_write+0x68/0xf0 # [ 56.966828] ? do_syscall_64+0x33/0x40 # [ 56.971328] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.977490] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.023964] CR2: ffffa900c01d7000 # [ 57.027976] ---[ end trace f420f41c7bc8cec6 ]--- # [ 57.033451] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.038138] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 57.065728] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 57.071885] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.080181] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 57.088476] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.096773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.105071] R13: ffffa900c122<6>[ 59.006712] lkdtm: Performing direct entry EXEC_NULL <6>[ 59.013681] lkdtm: attempting ok execution at ffffffff8977c5f0 <6>[ 59.020536] lkdtm: attempting bad execution at 0000000000000000 ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 57.11337<1>[ 59.027512] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 59.041842] #PF: supervisor instruction fetch in kernel mode <1>[ 59.048487] #PF: error_code(0x0010) - not-present page <6>[ 59.054545] PGD 0 P4D 0 <4>[ 59.057689] Oops: 0010 [#11] SMP PTI <4>[ 59.061986] CPU: 1 PID: 1793 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 59.070968] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.077904] RIP: 0010:0x0 <4>[ 59.081139] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 59.089143] RSP: 0018:ffffa900c239fe48 EFLAGS: 00010246 <4>[ 59.095295] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 59.103593] RDX: 0000000000000000 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 <4>[ 59.111891] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.120185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 59.128479] R13: ffffa900c239ff10 R14: ffffa900c239ff10 R15: ffff9981c612d000 <4>[ 59.136779] FS: 00007fac3cb3c580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 <4>[ 59.146152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.152889] CR2: ffffffffffffffd6 CR3: 0000000105994000 CR4: 00000000003506e0 <4>[ 59.161185] Call Trace: <4>[ 59.164235] ? __die_body.cold+0x1a/0x1f <4>[ 59.168934] ? no_context+0x177/0x380 0] FS: 00007fa6d3fdd580(0000) GS:ffff99823bd00000(0000) knlGS:0<4>[ 59.173343] ? exc_page_fault+0x53/0x170 <4>[ 59.184283] ? asm_exc_page_fault+0x1e/0x30 <4>[ 59.189280] execute_location+0x48/0x56 <4>[ 59.193879] direct_entry.cold+0x2c/0x38 <4>[ 59.198578] full_proxy_write+0x56/0x80 <4>[ 59.203176] vfs_write+0xea/0x3b0 <4>[ 59.207190] ksys_write+0x68/0xf0 <4>[ 59.211203] do_syscall_64+0x33/0x40 <4>[ 59.215508] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 59.221469] RIP: 0033:0x7fac3ca52473 <4>[ 59.225776] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.247137] RSP: 002b:00007ffd9e8ca6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.255925] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac3ca52473 <4>[ 59.264223] RDX: 000000000000000a RSI: 00007fac3c946000 RDI: 0000000000000001 <4>[ 59.272518] RBP: 00007fac3c946000 R08: 00007fac3c945010 R09: 0000000000000000 <4>[ 59.280818] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.289116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000000 # [ 57.122740] CS: 0010 DS: 0000 ES: 0000 CR<4>[ 59.297425] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 59.343861] CR2: 0000000000000000 <4>[ 59.347867] ---[ end trace f420f41c7bc8cec9 ]--- <4>[ 59.353345] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.358037] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 59.379389] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 59.385542] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.393835] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 59.402128] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.410424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.418722] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 59.427019] FS: 00007fac3cb3c580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 <4>[ 59.436391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.443126] CR2: ffffffffffffffd6 CR3: 0000000105994000 CR4: 00000000003506e0 <3>[ 59.451428] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 59.461676] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1793, name: cat <4>[ 59.470460] INFO: lockdep is turned off. <4>[ 59.475150] irq event stamp: 0 <4>[ 59.478869] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.486196] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.495665] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.505135] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.512463] CPU: 1 PID: 1793 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 59.521444] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.528376] Call Trace: <4>[ 59.531420] dump_stack+0x77/0x9b <4>[ 59.535434] ___might_sleep.cold+0xa6/0xb6 <4>[ 59.540328] exit_signals+0x1c/0x300 <4>[ 59.544632] do_exit+0xc2/0xab0 <4>[ 59.548452] ? ksys_write+0x68/0xf0 <4>[ 59.552659] make_task_dead+0x2f/0x30 <4>[ 59.557050] rewind_stack_and_make_dead+0x17/0x20 <4>[ 59.562616] RIP: 0033:0x7fac3ca52473 <4>[ 59.566916] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.588265] RSP: 002b:00007ffd9e8ca6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.597056] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac3ca52473 <4>[ 59.605355] RDX: 000000000000000a RSI: 00007fac3c946000 RDI: 0000000000000001 <4>[ 59.613653] RBP: 00007fac3c946000 R08: 00007fac3c945010 R09: 0000000000000000 <4>[ 59.621949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.630239] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0: 0000000080050033 # [ 57.129479] CR2: ffffa900c01d6fd6 CR3: 000000010376c000 CR4: 00000000003506e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 57.422347] lkdtm: Performing direct entry EXEC_RODATA # [ 57.430913] lkdtm: attempting ok execution at ffffffff8977c5f0 # [ 57.437784] lkdtm: attempting bad execution at ffffffff8ab944c0 # [ 57.444763] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 57.453451] BUG: unable to handle page fault for address: ffffffff8ab944c0 # [ 57.461455] #PF: supervisor instruction fetch in kernel mode # [ 57.474321] #PF: error_code(0x0011) - permissions violation # [ 57.480867] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 80000001488001e1 # [ 57.488988] Oops: 0011 [#9] SMP PTI # [ 57.493190] CPU: 0 PID: 1718 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 57.502165] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.509105] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 57.515161] Code: ff ff 7b 4c e4 89 ff ff ff ff 2a a5 01 8b ff ff ff ff c1 33 e4 89 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 # [ 57.536520] RSP: 0018:ffffa900c226fe48 EFLAGS: 00010246 # [ 57.542674] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.550971] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 # [ 57.559269] RBP: ffffffff8ab944c0 R08: 0000000000000000 R09: 0000000000000000 # [ 57.567568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 57.575865] R13: ffffa900c226ff10 R14: ffffa900c226ff10 R15: ffff9981c26c7000 # [ 57.584165] FS: 00007fd7708cc580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 57.593538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.600272] CR2: ffffffff8ab944c0 CR3: 0000000104878000 CR4: 00000000003506f0 # [ 57.608570] Call Trace: # [ 57.611617] ? __die_body.cold+0x1a/0x1f # [ 57.616312] ? no_context+0x177/0x380 # [ 57.620724] ? exc_page_fault+0xd7/0x170 # [ 57.625421] ? asm_exc_page_fault+0x1e/0x30 # [ 57.630422] ? execute_location+0x48/0x56 # [ 57.635213] ? direct_entry.cold+0x2c/0x38 # [ 57.640105] ? full_proxy_write+0x56/0x80 # [ 57.644894] ? vfs_write+0xea/0x3b0 # [ 57.649099] ? ksys_write+0x68/0xf0 # [ 57.653302] ? do_syscall_64+0x33/0x40 # [ 57.657791] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.663954] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.710439] CR2: ffffffff8ab944c0 # [ 57.714453] ---[ end trace f420f41c7bc8cec7 ]--- # [ 57.719929] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.724622] Code: 89 ff e8 5e d2 79 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 <6>[ 59.952766] lkdtm: Performing direct entry ACCESS_USERSPACE c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00<6>[ 59.963231] lkdtm: attempting bad read at 00007fd5147a2000 00 83 05 d0 9a 2a 03 # [ 57.745984] RSP: 0018:ffffa900c122fe<1>[ 59.975942] BUG: unable to handle page fault for address: 00007fd5147a2000 <1>[ 59.990138] #PF: supervisor read access in kernel mode <1>[ 59.996197] #PF: error_code(0x0001) - permissions violation <6>[ 60.002740] PGD 80000001034bc067 P4D 80000001034bc067 PUD 1065f9067 PMD 1027fe067 PTE 10a07e067 <4>[ 60.012801] Oops: 0001 [#12] SMP PTI <4>[ 60.017101] CPU: 3 PID: 1829 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 60.026080] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.033024] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 60.039569] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 48 b2 01 8b e8 78 d7 fb ff 48 c7 c7 70 b2 01 8b b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5f d7 fb ff 48 89 ee 48 c7 c7 98 b2 01 <4>[ 60.060887] RSP: 0018:ffffa900c2417e48 EFLAGS: 00010246 <4>[ 60.067027] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 60.075308] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffffffff8b01b270 <4>[ 60.083599] RBP: 00007fd5147a2000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.091880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 60.100159] R13: ffffa900c2417f10 R14: ffffa900c2417f10 R15: ffff9981c31e7000 <4>[ 60.108445] FS: 00007fd514773580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 <4>[ 60.117800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.124531] CR2: 00007fd5147a2000 CR3: 0000000103002000 CR4: 00000000003506e0 <4>[ 60.132822] Call Trace: <4>[ 60.135867] ? __die_body.cold+0x1a/0x1f <4>[ 60.140561] ? no_context+0x177/0x380 <4>[ 60.144958] ? exc_page_fault+0x53/0x170 <4>[ 60.149641] ? asm_exc_page_fault+0x1e/0x30 <4>[ 60.154632] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 60.160497] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 60.166363] direct_entry.cold+0x2c/0x38 <4>[ 60.171062] full_proxy_write+0x56/0x80 <4>[ 60.175662] vfs_write+0xea/0x3b0 <4>[ 60.179675] ksys_write+0x68/0xf0 <4>[ 60.183690] do_syscall_64+0x33/0x40 <4>[ 60.187993] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 60.193955] RIP: 0033:0x7fd514689473 <4>[ 60.198259] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 60.219611] RSP: 002b:00007ffe31506668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.228388] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fd514689473 <4>[ 60.236673] RDX: 0000000000000011 RSI: 00007fd51457d000 RDI: 0000000000000001 <4>[ 60.244968] RBP: 00007fd51457d000 R08: 00007fd51457c010 R09: 0000000000000000 <4>[ 60.253256] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.261530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 60.269821] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 60.310055] CR2: 00007fd5147a2000 <4>[ 60.314066] ---[ end trace f420f41c7bc8ceca ]--- <4>[ 60.319535] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.324222] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 60.345580] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 60.351735] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.360031] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 60.368331] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.376628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.384926] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 60.393219] FS: 00007fd514773580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 <4>[ 60.402587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.409324] CR2: 00007fd5147a2000 CR3: 0000000103002000 CR4: 00000000003506e0 60 EFLAGS: 00010282 # [ 57.752140] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.760437] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 57.768730] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.777024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.785317] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 57.793612] FS: 00007fd7708cc580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 57.802976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.809713] CR2: ffffffff8ab944c0 CR3: 0000000104878000 CR4: 00000000003506f0 # [ 57.818012] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.828260] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1718, name: cat # [ 57.837043] INFO: lockdep is turned off. # [ 57.841733] irq event stamp: 0 # [ 57.845454] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.852781] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.862248] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.871718] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.879043] CPU: 0 PID: 1718 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 57.888022] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.894952] Call Trace: # [ 57.897987] dump_stack+0x77/0x9b # [ 57.902001] ___might_sleep.cold+0xa6/0xb6 # [ 57.906891] exit_signals+0x1c/0x300 # [ 57.911196] do_exit+0xc2/0xab0 # [ 57.915004] ? ksys_write+0x68/0xf0 # [ 57.919216] make_task_dead+0x2f/0x30 # [ 57.923615] rewind_stack_and_make_dead+0x17/0x20 # [ 57.929178] RIP: 0033:0x7fd7707e2473 # [ 57.933478] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.954808] RSP: 002b:00007ffd5c61cbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.963585] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd7707e2473 # [ 57.971881] RDX: 000000000000000c RSI: 00007fd7706d6000 RDI: 0000000000000001 # [ 57.980177] RBP: 00007fd7706d6000 R08: 00007fd7706d5010 R09: 0000000000000000 # [ 57.988470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.996770] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 58.329825] lkdtm: Performing direct entry EXEC_USERSPACE # [ 58.341993] lkdtm: attempting ok execution at ffffffff8977c5f0 # [ 58.348911] lkdtm: attempting bad execution at 00007f1a9961a000 # [ 58.362131] unable to execute userspace code (SMEP?) (uid: 0) # [ 58.375069] BUG: unable to handle page fault for address: 00007f1a9961a000 # [ 58.383073] #PF: supervisor instruction fetch in kernel mode # [ 58.389713] #PF: error_code(0x0011) - permissions violation # [ 58.396258] PGD 80000001026c8067 P4D 80000001026c8067 PUD 1061b2067 PMD 1052e7067 PTE 10de15067 # [ 58.412563] Oops: 0011 [#10] SMP PTI # [ 58.416870] CPU: 0 PID: 1755 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 58.432080] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.439021] RIP: 0010:0x7f1a9961a000 # [ 58.443324] Code: Unable to access opcode bytes at RIP 0x7f1a99619fd6. # [ 58.450931] RSP: 0018:ffffa900c22f7e50 EFLAGS: 00010246 # [ 58.457079] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 58.465371] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 # [ 58.473662] RBP: 00007f1a9961a000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.481960] R10: 00000000ffffe000<6>[ 60.804176] lkdtm: Performing direct entry ACCESS_NULL R11: 3fffffffffffffff R12: 000000000000000f # [ 58.490254] R<6>[ 60.810509] lkdtm: attempting bad read at 0000000000000000 13: ffffa900c22f7f10 R14: ffffa900c22f7f10 R15: ffff9981c62e0000<1>[ 60.823213] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 60.837521] #PF: supervisor read access in kernel mode <1>[ 60.843574] #PF: error_code(0x0000) - not-present page <6>[ 60.849625] PGD 0 P4D 0 <4>[ 60.852766] Oops: 0000 [#13] SMP PTI <4>[ 60.857071] CPU: 3 PID: 1865 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 60.866046] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.872989] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 60.878561] Code: 1c d7 fb ff be 00 10 00 00 48 89 ef e8 ca 2d 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 b2 01 8b e8 f6 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 70 b2 01 8b 48 01 <4>[ 60.899924] RSP: 0018:ffffa900c24b7e58 EFLAGS: 00010246 <4>[ 60.906081] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 60.914378] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 <4>[ 60.922676] RBP: ffffffff8b01a339 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.930962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 60.939254] R13: ffffa900c24b7f10 R14: ffffa900c24b7f10 R15: ffff9981c60b4000 <4>[ 60.947553] FS: 00007fdda9464580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 <4>[ 60.956923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.963662] CR2: 0000000000000000 CR3: 00000001031fc000 CR4: 00000000003506e0 <4>[ 60.971955] Call Trace: <4>[ 60.975003] ? __die_body.cold+0x1a/0x1f <4>[ 60.979702] ? no_context+0x177/0x380 <4>[ 60.984108] ? exc_page_fault+0x53/0x170 <4>[ 60.988806] ? asm_exc_page_fault+0x1e/0x30 <4>[ 60.993795] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 60.998685] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 61.003576] direct_entry.cold+0x2c/0x38 <4>[ 61.008274] full_proxy_write+0x56/0x80 <4>[ 61.012872] vfs_write+0xea/0x3b0 <4>[ 61.016886] ksys_write+0x68/0xf0 <4>[ 61.020895] do_syscall_64+0x33/0x40 <4>[ 61.025192] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 61.031153] RIP: 0033:0x7fdda937a473 <4>[ 61.035456] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 61.056815] RSP: 002b:00007fff60453908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.065604] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdda937a473 <4>[ 61.073897] RDX: 000000000000000c RSI: 00007fdda926e000 RDI: 0000000000000001 <4>[ 61.082196] RBP: 00007fdda926e000 R08: 00007fdda926d010 R09: 0000000000000000 <4>[ 61.090490] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.098790] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 61.107098] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 61.147354] CR2: 0000000000000000 <4>[ 61.151367] ---[ end trace f420f41c7bc8cecb ]--- <4>[ 61.156843] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 61.161527] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 61.182883] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 61.189036] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 61.197326] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 61.205620] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 61.213919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 61.222207] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 61.230503] FS: 00007fdda9464580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 <4>[ 61.239875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.246610] CR2: 0000000000000000 CR3: 00000001031fc000 CR4: 00000000003506e0 <3>[ 61.254906] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 61.265153] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1865, name: cat <4>[ 61.273936] INFO: lockdep is turned off. <4>[ 61.278628] irq event stamp: 0 <4>[ 61.282346] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 61.289659] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.299124] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.308586] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 61.315901] CPU: 3 PID: 1865 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 61.324874] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.331792] Call Trace: <4>[ 61.334827] dump_stack+0x77/0x9b <4>[ 61.338838] ___might_sleep.cold+0xa6/0xb6 <4>[ 61.343726] exit_signals+0x1c/0x300 <4>[ 61.348025] do_exit+0xc2/0xab0 <4>[ 61.351837] ? ksys_write+0x68/0xf0 <4>[ 61.356041] make_task_dead+0x2f/0x30 <4>[ 61.360436] rewind_stack_and_make_dead+0x17/0x20 <4>[ 61.365998] RIP: 0033:0x7fdda937a473 <4>[ 61.370299] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 61.391647] RSP: 002b:00007fff60453908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.400434] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdda937a473 <4>[ 61.408734] RDX: 000000000000000c RSI: 00007fdda926e000 RDI: 0000000000000001 <4>[ 61.417029] RBP: 00007fdda926e000 R08: 00007fdda926d010 R09: 0000000000000000 <4>[ 61.425327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.433625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.498551] FS: 00007f1a995eb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 58.507908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.514639] CR2: 00007f1a9961a000 CR3: 00000001062e6000 CR4: 00000000003506f0 # [ 58.522923] Call Trace: # [ 58.525971] ? __die_body.cold+0x1a/0x1f # [ 58.530669] ? no_context+0x177/0x380 # [ 58.535073] ? exc_page_fault+0x53/0x170 # [ 58.539770] ? asm_exc_page_fault+0x1e/0x30 # [ 58.544766] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 58.550438] ? direct_entry.cold+0x2c/0x38 # [ 58.555333] ? full_proxy_write+0x56/0x80 # [ 58.560127] ? vfs_write+0xea/0x3b0 # [ 58.564328] ? ksys_write+0x68/0xf0 # [ 58.568520] ? do_syscall_64+0x33/0x40 # [ 58.573020] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.579183] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 58.625650] CR2: 00007f1a9961a000 # [ 58.629664] ---[ end trace f420f41c7bc8cec8 ]--- # [ 58.635134] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.639827] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 58.661174] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 58.667326] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.675615] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 58.683914] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.692211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.700508] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 58.708809] FS: 00007f1a995eb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 58.718179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.724917] CR2: 00007f1a9961a000 CR3: 00000001062e6000 CR4: 00000000003506f0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 59.006712] lkdtm: Performing direct entry EXEC_NULL # [ 59.013681] lkdtm: attempting ok execution at ffffffff8977c5f0 # [ 59.020536] lkdtm: attempting bad execution at 0000000000000000 # [ 59.027512] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 59.041842] #PF: supervisor instruction fetch in kernel mode # [ 59.048487] #PF: error_code(0x0010) - not-present page # [ 59.054545] PGD 0 P4D 0 # [ 59.057689] Oops: 0010 [#11] SMP PTI # [ 59.061986] CPU: 1 PID: 1793 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 59.070968] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.077904] RIP: 0010:0x0 # [ 59.081139] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 59.089143] RSP: 0018:ffffa900c239fe48 EFLAGS: 00010246 # [ 59.095295] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 59.103593] RDX: 0000000000000000 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 # [ 59.111891] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 59.120185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 59.128479] R13: ffffa900c239ff10 R14: ffffa900c239ff10 R15: ffff9981c612d000 # [ 59.136779] FS: 00007fac3cb3c580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 # [ 59.146152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.152889] CR2: ffffffffffffffd6 CR3: 0000000105994000 CR4: 00000000003506e0 # [ 59.161185] Call Trace: # [ 59.1642<6>[ 61.824763] lkdtm: Performing direct entry WRITE_RO <6>[ 61.834596] lkdtm: attempting bad rodata write at ffffffff8ab944b0 <1>[ 61.841881] BUG: unable to handle page fault for address: ffffffff8ab944b0 <1>[ 61.849889] #PF: supervisor write access in kernel mode <1>[ 61.856043] #PF: error_code(0x0003) - permissions violation <6>[ 61.862587] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 80000001488001e1 <4>[ 61.870699] Oops: 0003 [#14] SMP PTI <4>[ 61.875003] CPU: 0 PID: 1901 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 61.883974] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.890917] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 61.896198] Code: 00 48 c7 c7 28 b1 01 8b 48 c7 c6 b0 44 b9 8a e8 a0 d9 fb ff 48 8b 05 a4 0d d5 00 ba 34 12 cd ab 48 c7 c7 58 b1 01 8b 48 31 d0 <48> 89 05 8e 0d d5 00 e9 7e d9 fb ff 0f 1f 44 00 00 48 8b 05 1d cc <4>[ 61.917556] RSP: 0018:ffffa900c254fe60 EFLAGS: 00010202 <4>[ 61.923710] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 61.932009] RDX: 00000000abcd1234 RSI: ffff99823bc1bf50 RDI: ffffffff8b01b158 <4>[ 61.940300] RBP: ffffffff8b01a345 R08: 0000000000000000 R09: 0000000000000000 <4>[ 61.948586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 61.956872] R13: ffffa900c254ff10 R14: ffffa900c254ff10 R15: ffff9981c6189000 <4>[ 61.965172] FS: 00007f3c175a2580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 61.974540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.981274] CR2: ffffffff8ab944b0 CR3: 0000000105316000 CR4: 00000000003506f0 <4>[ 61.989574] Call Trace: <4>[ 61.992620] ? __die_body.cold+0x1a/0x1f <4>[ 61.997316] ? no_context+0x177/0x380 <4>[ 62.001724] ? exc_page_fault+0xd7/0x170 <4>[ 62.006421] ? asm_exc_page_fault+0x1e/0x30 <4>[ 62.011407] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 62.016001] direct_entry.cold+0x2c/0x38 <4>[ 62.020689] full_proxy_write+0x56/0x80 <4>[ 62.025286] vfs_write+0xea/0x3b0 <4>[ 62.029297] ksys_write+0x68/0xf0 <4>[ 62.033306] do_syscall_64+0x33/0x40 <4>[ 62.037600] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 62.043552] RIP: 0033:0x7f3c174b8473 <4>[ 62.047841] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 62.069201] RSP: 002b:00007ffcc9846d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.077987] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3c174b8473 <4>[ 62.086285] RDX: 0000000000000009 RSI: 00007f3c173ac000 RDI: 0000000000000001 <4>[ 62.094584] RBP: 00007f3c173ac000 R08: 00007f3c173ab010 R09: 0000000000000000 <4>[ 62.102882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.111182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 35] ? __die_body.cold+0x1a/0x1f # [ 59.168934] ? no_context<4>[ 62.119483] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 62.165943] CR2: ffffffff8ab944b0 <4>[ 62.169956] ---[ end trace f420f41c7bc8cecc ]--- <4>[ 62.175424] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 62.180118] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 62.201481] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 62.207638] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 62.215934] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 62.224230] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 62.232530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 62.240828] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 62.249127] FS: 00007f3c175a2580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 62.258481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.265210] CR2: ffffffff8ab944b0 CR3: 0000000105316000 CR4: 00000000003506f0 <3>[ 62.273511] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 62.283749] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1901, name: cat <4>[ 62.292532] INFO: lockdep is turned off. <4>[ 62.297220] irq event stamp: 0 <4>[ 62.300936] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.308263] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.317719] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.327186] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 62.334512] CPU: 0 PID: 1901 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 62.343472] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.350406] Call Trace: <4>[ 62.353444] dump_stack+0x77/0x9b <4>[ 62.357457] ___might_sleep.cold+0xa6/0xb6 <4>[ 62.362351] exit_signals+0x1c/0x300 <4>[ 62.366656] do_exit+0xc2/0xab0 <4>[ 62.370476] ? ksys_write+0x68/0xf0 <4>[ 62.374683] make_task_dead+0x2f/0x30 <4>[ 62.379083] rewind_stack_and_make_dead+0x17/0x20 <4>[ 62.384654] RIP: 0033:0x7f3c174b8473 <4>[ 62.388957] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 62.410308] RSP: 002b:00007ffcc9846d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.419102] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3c174b8473 <4>[ 62.427400] RDX: 0000000000000009 RSI: 00007f3c173ac000 RDI: 0000000000000001 <4>[ 62.435700] RBP: 00007f3c173ac000 R08: 00007f3c173ab010 R09: 0000000000000000 <4>[ 62.443999] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.452295] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 +0x177/0x380 # [ 59.173343] ? exc_page_fault+0x53/0x170 # [ 59.184283] ? asm_exc_page_fault+0x1e/0x30 # [ 59.189280] execute_location+0x48/0x56 # [ 59.193879] direct_entry.cold+0x2c/0x38 # [ 59.198578] full_proxy_write+0x56/0x80 # [ 59.203176] vfs_write+0xea/0x3b0 # [ 59.207190] ksys_write+0x68/0xf0 # [ 59.211203] do_syscall_64+0x33/0x40 # [ 59.215508] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 59.221469] RIP: 0033:0x7fac3ca52473 # [ 59.225776] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.247137] RSP: 002b:00007ffd9e8ca6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.255925] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac3ca52473 # [ 59.264223] RDX: 000000000000000a RSI: 00007fac3c946000 RDI: 0000000000000001 # [ 59.272518] RBP: 00007fac3c946000 R08: 00007fac3c945010 R09: 0000000000000000 # [ 59.280818] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.289116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.297425] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.343861] CR2: 0000000000000000 # [ 59.347867] ---[ end trace f420f41c7bc8cec9 ]--- # [ 59.353345] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.358037] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 59.379389] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 59.385542] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.393835] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 59.402128] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.410424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.418722] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 59.427019] FS: 00007fac3cb3c580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 # [ 59.436391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.443126] CR2: ffffffffffffffd6 CR3: 0000000105994000 CR4: 00000000003506e0 # [ 59.451428] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.461676] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1793, name: cat # [ 59.470460] INFO: lockdep is turned off. # [ 59.475150] irq event stamp: 0 # [ 59.478869] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.486196] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.495665] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.505135] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.512463] CPU: 1 PID: 1793 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 59.521444] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.528376] Call Trace: # [ 59.531420] dump_stack+0x77/0x9b # [ 59.535434] ___might_sleep.cold+0xa6/0xb6 # [ 59.540328] exit_signals+0x1c/0x300 # [ 59.544632] do_exit+0xc2/0xab0 # [ 59.548452] ? ksys_write+0x68/0xf0 # [ 59.552659] make_task_dead+0x2f/0x30 # [ 59.<6>[ 62.826098] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 62.835526] lkdtm: attempting bad ro_after_init write at ffffffff8b0a0350 557050] rewind_stack_and_make_dead+0x17/0x20 # [ 59.562616] <1>[ 62.843485] BUG: unable to handle page fault for address: ffffffff8b0a0350 <1>[ 62.857718] #PF: supervisor write access in kernel mode <1>[ 62.863869] #PF: error_code(0x0003) - permissions violation <6>[ 62.870407] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 105370163 PTE 8000000148ea0061 <4>[ 62.879791] Oops: 0003 [#15] SMP PTI <4>[ 62.884084] CPU: 0 PID: 1937 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 62.893050] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.899990] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 62.906343] Code: b1 01 8b e9 52 d9 fb ff 48 c7 c7 b0 b1 01 8b e8 46 d9 fb ff 48 8b 05 ea cb 25 01 ba 34 12 cd ab 48 c7 c7 58 b1 01 8b 48 31 d0 <48> 89 05 d4 cb 25 01 e9 24 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 62.927703] RSP: 0018:ffffa900c25d7e60 EFLAGS: 00010202 <4>[ 62.933862] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 62.942157] RDX: 00000000abcd1234 RSI: ffff99823bc1bf50 RDI: ffffffff8b01b158 <4>[ 62.950449] RBP: ffffffff8b01a34e R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.958743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 62.967035] R13: ffffa900c25d7f10 R14: ffffa900c25d7f10 R15: ffff9981c3119000 <4>[ 62.975323] FS: 00007fb6f6e8e580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 62.984673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.991409] CR2: ffffffff8b0a0350 CR3: 0000000105b60000 CR4: 00000000003506f0 <4>[ 62.999695] Call Trace: <4>[ 63.002737] ? __die_body.cold+0x1a/0x1f <4>[ 63.007432] ? no_context+0x177/0x380 <4>[ 63.011837] ? exc_page_fault+0xd7/0x170 <4>[ 63.016534] ? asm_exc_page_fault+0x1e/0x30 <4>[ 63.021525] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 63.027190] direct_entry.cold+0x2c/0x38 <4>[ 63.031886] full_proxy_write+0x56/0x80 <4>[ 63.036478] vfs_write+0xea/0x3b0 <4>[ 63.040489] ksys_write+0x68/0xf0 <4>[ 63.044498] do_syscall_64+0x33/0x40 <4>[ 63.048800] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 63.054761] RIP: 0033:0x7fb6f6da4473 <4>[ 63.059061] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 63.080409] RSP: 002b:00007ffc68e58248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 63.089192] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fb6f6da4473 <4>[ 63.097477] RDX: 0000000000000014 RSI: 00007fb6f6c98000 RDI: 0000000000000001 <4>[ 63.105768] RBP: 00007fb6f6c98000 R08: 00007fb6f6c97010 R09: 0000000000000000 <4>[ 63.114061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.122346] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RIP: 0033:0x7fac3ca52473 # [ 59.566916] Code: 8b 15 21 2a 0e <4>[ 63.130625] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 63.177072] CR2: ffffffff8b0a0350 <4>[ 63.181082] ---[ end trace f420f41c7bc8cecd ]--- <4>[ 63.186552] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 63.191233] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 63.212588] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 63.218739] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 63.227035] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 63.235332] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 63.243626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 63.251917] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 63.260210] FS: 00007fb6f6e8e580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 63.269559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.276287] CR2: ffffffff8b0a0350 CR3: 0000000105b60000 CR4: 00000000003506f0 <3>[ 63.284577] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 63.294818] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1937, name: cat <4>[ 63.303589] INFO: lockdep is turned off. <4>[ 63.308275] irq event stamp: 0 <4>[ 63.311987] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 63.319302] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 63.328761] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 63.338227] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 63.345549] CPU: 0 PID: 1937 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 63.354526] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 63.361459] Call Trace: <4>[ 63.364499] dump_stack+0x77/0x9b <4>[ 63.368512] ___might_sleep.cold+0xa6/0xb6 <4>[ 63.373404] exit_signals+0x1c/0x300 <4>[ 63.377709] do_exit+0xc2/0xab0 <4>[ 63.381528] ? ksys_write+0x68/0xf0 <4>[ 63.385733] make_task_dead+0x2f/0x30 <4>[ 63.390121] rewind_stack_and_make_dead+0x17/0x20 <4>[ 63.395688] RIP: 0033:0x7fb6f6da4473 <4>[ 63.399989] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 63.421346] RSP: 002b:00007ffc68e58248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 63.430135] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fb6f6da4473 <4>[ 63.438430] RDX: 0000000000000014 RSI: 00007fb6f6c98000 RDI: 0000000000000001 <4>[ 63.446726] RBP: 00007fb6f6c98000 R08: 00007fb6f6c97010 R09: 0000000000000000 <4>[ 63.455023] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.463317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.588265] RSP: 002b:00007ffd9e8ca6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.597056] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fac3ca52473 # [ 59.605355] RDX: 000000000000000a RSI: 00007fac3c946000 RDI: 0000000000000001 # [ 59.613653] RBP: 00007fac3c946000 R08: 00007fac3c945010 R09: 0000000000000000 # [ 59.621949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.630239] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 59.952766] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 59.963231] lkdtm: attempting bad read at 00007fd5147a2000 # [ 59.975942] BUG: unable to handle page fault for address: 00007fd5147a2000 # [ 59.990138] #PF: supervisor read access in kernel mode # [ 59.996197] #PF: error_code(0x0001) - permissions violation # [ 60.002740] PGD 80000001034bc067 P4D 80000001034bc067 PUD 1065f9067 PMD 1027fe067 PTE 10a07e067 # [ 60.012801] Oops: 0001 [#12] SMP PTI # [ 60.017101] CPU: 3 PID: 1829 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 60.026080] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.033024] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 60.039569] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 48 b2 01 8b e8 78 d7 fb ff 48 c7 c7 70 b2 01 8b b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5f d7 fb ff 48 89 ee 48 c7 c7 98 b2 01 # [ 60.060887] RSP: 0018:ffffa900c2417e48 EFLAGS: 00010246 # [ 60.067027] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 60.075308] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffffffff8b01b270 # [ 60.083599] RBP: 00007fd5147a2000 R08: 0000000000000000 R09: 0000000000000000 # [ 60.091880] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 60.100159] R13: ffffa900c2417f10 R14: ffffa900c2417f10 R15: ffff9981c31e7000 # [ 60.108445] FS: 00007fd514773580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 60.117800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.124531] CR2: 00007fd5147a2000 CR3: 0000000103002000 CR4: 00000000003506e0 # [ 60.132822] Call Trace: # [ 60.135867] ? __die_body.cold+0x1a/0x1f # [ 60.140561] ? no_context+0x177/0x380 # [ 60.144958] ? exc_page_fault+0x53/0x170 # [ 60.149641] ? asm_exc_page_fault+0x1e/0x30 # [ 60.154632] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 60.160497] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 60.166363] direct_entry.cold+0x2c/0x38 # [ 60.171062] full_proxy_write+0x56/0x80 # [ 60.175662] vfs_write+0xea/0x3b0 # [ 60.179675] ksys_write+0x68/0xf0 # [ 60.183690] do_syscall_64+0x33/0x40 # [ 60.187993] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 60.193955] RIP: 0033:0x7fd514689473 # [ 60.198259] Code: 8b 15 21 2a 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 # [ 60.219611] RSP: 002b:00007ffe31506668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.228388] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fd514689473 # [ 60.236673] RDX: 0000000000000011 RSI: 00007fd51457d000 RDI: 0000000000000001 # [ 60.244968] RBP: 00007fd51457d000 R08: 00<6>[ 63.826011] lkdtm: Performing direct entry WRITE_KERN <6>[ 63.833327] lkdtm: attempting bad 7106710 byte write at ffffffff89e43686 <1>[ 63.841192] BUG: unable to handle page fault for address: ffffffff89e43686 <1>[ 63.849203] #PF: supervisor write access in kernel mode 007fd51457c010 R09: 0000000000000000 # [ 60.253256] R10: ffff<1>[ 63.855347] #PF: error_code(0x0003) - permissions violation <6>[ 63.868123] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 147c001e1 <4>[ 63.875553] Oops: 0003 [#16] SMP PTI <4>[ 63.879857] CPU: 2 PID: 1973 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 63.888836] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 63.895774] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 63.901246] Code: 53 48 c7 c3 86 36 e4 89 49 89 dc 48 89 da 49 81 ec f0 c5 77 89 4c 89 e6 e8 f9 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 c5 77 89 a4 48 c7 c7 58 b1 01 8b e8 de d8 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 63.922589] RSP: 0018:ffffa900c265fe50 EFLAGS: 00010246 <4>[ 63.928744] RAX: 000000000000003c RBX: ffffffff89e43686 RCX: 00000000006c7096 <4>[ 63.937040] RDX: 0000000000000000 RSI: ffffffff8977c5f0 RDI: ffffffff89e43686 <4>[ 63.945337] RBP: ffffffff8b01a362 R08: 0000000000000000 R09: 0000000000000000 <4>[ 63.953634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7096 <4>[ 63.961929] R13: ffffa900c265ff10 R14: ffffa900c265ff10 R15: ffff9981c2ef2000 <4>[ 63.970228] FS: 00007fc00f9b6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 63.979599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.986333] CR2: ffffffff89e43686 CR3: 00000001031e2000 CR4: 00000000003506e0 <4>[ 63.994628] Call Trace: <4>[ 63.997676] ? __die_body.cold+0x1a/0x1f <4>[ 64.002367] ? no_context+0x177/0x380 fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 64.006773] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 64.018771] ? exc_page_fault+0xd7/0x170 <4>[ 64.023468] ? asm_exc_page_fault+0x1e/0x30 <4>[ 64.028453] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 64.034222] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 64.039399] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 64.045168] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 64.049962] direct_entry.cold+0x2c/0x38 <4>[ 64.054657] full_proxy_write+0x56/0x80 <4>[ 64.059256] vfs_write+0xea/0x3b0 <4>[ 64.063269] ksys_write+0x68/0xf0 <4>[ 64.067285] do_syscall_64+0x33/0x40 <4>[ 64.071593] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 64.077552] RIP: 0033:0x7fc00f8cc473 <4>[ 64.081851] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 64.103208] RSP: 002b:00007ffc533eb1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 64.111998] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc00f8cc473 <4>[ 64.120293] RDX: 000000000000000b RSI: 00007fc00f7c0000 RDI: 0000000000000001 <4>[ 64.128588] RBP: 00007fc00f7c0000 R08: 00007fc00f7bf010 R09: 0000000000000000 <4>[ 64.136885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 64.145182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 60.261530] R13: 0000000000000001 R14: 0000000000020000 R15: 0000<4>[ 64.153491] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 64.199979] CR2: ffffffff89e43686 <4>[ 64.203992] ---[ end trace f420f41c7bc8cece ]--- <4>[ 64.209464] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 64.214158] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 <4>[ 64.235517] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 <4>[ 64.241675] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 64.249969] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 <4>[ 64.258268] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 64.266566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 64.274864] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 <4>[ 64.283164] FS: 00007fc00f9b6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 64.292531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 64.299271] CR2: ffffffff89e43686 CR3: 00000001031e2000 CR4: 00000000003506e0 <3>[ 64.307574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 64.317825] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1973, name: cat <4>[ 64.326601] INFO: lockdep is turned off. <4>[ 64.331288] irq event stamp: 0 <4>[ 64.335007] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 64.342325] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 64.351788] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 64.361252] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 64.368575] CPU: 2 PID: 1973 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 64.377544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 64.384476] Call Trace: <4>[ 64.387517] dump_stack+0x77/0x9b <4>[ 64.391533] ___might_sleep.cold+0xa6/0xb6 <4>[ 64.396425] exit_signals+0x1c/0x300 <4>[ 64.400730] do_exit+0xc2/0xab0 <4>[ 64.404547] ? ksys_write+0x68/0xf0 <4>[ 64.408754] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 64.414517] make_task_dead+0x2f/0x30 <4>[ 64.418920] rewind_stack_and_make_dead+0x17/0x20 <4>[ 64.424489] RIP: 0033:0x7fc00f8cc473 <4>[ 64.428792] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 64.450135] RSP: 002b:00007ffc533eb1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 64.458922] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc00f8cc473 <4>[ 64.467222] RDX: 000000000000000b RSI: 00007fc00f7c0000 RDI: 0000000000000001 <4>[ 64.475519] RBP: 00007fc00f7c0000 R08: 00007fc00f7bf010 R09: 0000000000000000 <4>[ 64.483817] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 64.492116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000020000 # [ 60.269821] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 60.310055] CR2: 00007fd5147a2000 # [ 60.314066] ---[ end trace f420f41c7bc8ceca ]--- # [ 60.319535] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.324222] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 60.345580] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 60.351735] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.360031] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 60.368331] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 60.376628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.384926] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 60.393219] FS: 00007fd514773580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 60.402587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.409324] CR2: 00007fd5147a2000 CR3: 0000000103002000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 60.804176] lkdtm: Performing direct entry ACCESS_NULL # [ 60.810509] lkdtm: attempting bad read at 0000000000000000 # [ 60.823213] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 60.837521] #PF: supervisor read access in kernel mode # [ 60.843574] #PF: error_code(0x0000) - not-present page # [ 60.849625] PGD 0 P4D 0 # [ 60.852766] Oops: 0000 [#13] SMP PTI # [ 60.857071] CPU: 3 PID: 1865 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 60.866046] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.872989] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 60.878561] Code: 1c d7 fb ff be 00 10 00 00 48 89 ef e8 ca 2d 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 b2 01 8b e8 f6 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 70 b2 01 8b 48 01 # [ 60.899924] RSP: 0018:ffffa900c24b7e58 EFLAGS: 00010246 # [ 60.906081] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 60.914378] RDX: 0000000000000000 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 # [ 60.922676] RBP: ffffffff8b01a339 R08: 0000000000000000 R09: 0000000000000000 # [ 60.930962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 60.939254] R13: ffffa900c24b7f10 R14: ffffa900c24b7f10 R15: ffff9981c60b4000 # [ 60.947553] FS: 00007fdda9464580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 60.956923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.963662] CR2: 0000000000000000 CR3: 00000001031fc000 CR4: 00000000003506e0 # [ 60.971955] Call Trace: # [ 60.975003] ? __die_body.cold+0x1a/0x1f # [ 60.979702] ? no_context+0x177/0x380 # [ 60.984108] ? exc_page_fault+0x53/0x170 # [ 60.988806] ? asm_exc_page_fault+0x1e/0x30 # [ 60.993795] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 60.998685] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 61.003576] direct_entry.cold+0x2c/0x38 # [ 61.008274] full_proxy_write+0x56/0x80 # [ 61.012872] vfs_write+0xea/0x3b0 # [ 61.016886] ksys_write+0x68/0xf0 # [ 61.020895] do_syscall_64+0x33/0x40 # [ 61.025192] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 61.031153] RIP: 0033:0x7fdda937a473 # [ 61.035456] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.056815] RSP: 002b:00007fff60453908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # <6>[ 64.903151] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 64.913162] lkdtm: attempting good refcount_inc() without overflow <6>[ 64.920437] lkdtm: attempting bad refcount_inc() overflow <4>[ 64.926816] ------------[ cut here ]------------ <4>[ 64.932306] refcount_t: saturated; leaking memory. <4>[ 64.938045] WARNING: CPU: 2 PID: 2009 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 61.065604] RAX: ffffffffffffffda RBX: 000000000000000c RCX: <4>[ 64.947828] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 64.994350] CPU: 2 PID: 2009 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 65.003354] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 65.010313] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 65.016498] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 <4>[ 65.037887] RSP: 0018:ffffa900c26efe48 EFLAGS: 00010286 <4>[ 65.044063] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 65.052381] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 <4>[ 65.060706] RBP: ffffffff8b01a36d R08: 0000000000000000 R09: 0000000000000000 <4>[ 65.069019] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 65.077337] R13: ffffa900c26eff10 R14: ffffa900c26eff10 R15: ffff9981c5b10000 <4>[ 65.085657] FS: 00007f6d8baf2580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 65.095047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 65.101808] CR2: 00007f6d8b8fc000 CR3: 0000000104848000 CR4: 00000000003506e0 <4>[ 65.110125] Call Trace: <4>[ 65.113194] ? __warn+0x80/0x110 <4>[ 65.117140] ? refcount_warn_saturate+0x51/0x110 <4>[ 65.122637] ? report_bug+0x9e/0xc0 <4>[ 65.126876] ? handle_bug+0x41/0x90 <4>[ 65.131106] ? exc_invalid_op+0x14/0x70 <4>[ 65.135729] ? asm_exc_invalid_op+0x12/0x20 <4>[ 65.140750] ? refcount_warn_saturate+0x51/0x110 <4>[ 65.146249] ? refcount_warn_saturate+0x51/0x110 <4>[ 65.151747] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 65.157441] direct_entry.cold+0x2c/0x38 <4>[ 65.162164] full_proxy_write+0x56/0x80 <4>[ 65.166796] vfs_write+0xea/0x3b0 <4>[ 65.170828] ksys_write+0x68/0xf0 00007fdda937a473 # [ 61.073897] RDX: 000000000000000c RSI: 00<4>[ 65.174886] do_syscall_64+0x33/0x40 <4>[ 65.185409] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 65.191399] RIP: 0033:0x7f6d8ba08473 <4>[ 65.195726] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 65.217111] RSP: 002b:00007ffdf93dc0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 65.225919] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6d8ba08473 <4>[ 65.234230] RDX: 0000000000000016 RSI: 00007f6d8b8fc000 RDI: 0000000000000001 <4>[ 65.242541] RBP: 00007f6d8b8fc000 R08: 00007f6d8b8fb010 R09: 0000000000000000 <4>[ 65.250859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 65.259185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 65.267515] irq event stamp: 0 <4>[ 65.271256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 65.278606] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 65.288092] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 65.297584] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 65.304929] ---[ end trace f420f41c7bc8cecf ]--- <6>[ 65.310420] lkdtm: Overflow detected: saturated 007fdda926e000 RDI: 0000000000000001 # [ 61.082196] RBP: 00007fdda926e000 R08: 00007fdda926d010 R09: 0000000000000000 # [ 61.090490] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.098790] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.107098] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 61.147354] CR2: 0000000000000000 # [ 61.151367] ---[ end trace f420f41c7bc8cecb ]--- # [ 61.156843] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.161527] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 61.182883] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 61.189036] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.197326] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 61.205620] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 61.213919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.222207] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 61.230503] FS: 00007fdda9464580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 61.239875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.246610] CR2: 0000000000000000 CR3: 00000001031fc000 CR4: 00000000003506e0 # [ 61.254906] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 61.265153] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1865, name: cat # [ 61.273936] INFO: lockdep is turned off. # [ 61.278628] irq event stamp: 0 # [ 61.282346] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.289659] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.299124] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.308586] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.315901] CPU: 3 PID: 1865 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 61.324874] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.331792] Call Trace: # [ 61.334827] dump_stack+0x77/0x9b # [ 61.338838] ___might_sleep.cold+0xa6/0xb6 # [ 61.343726] exit_signals+0x1c/0x300 # [ 61.348025] do_exit+0xc2/0xab0 # [ 61.351837] ? ksys_write+0x68/0xf0 # [ 61.356041] make_task_dead+0x2f/0x30 # [ 61.360436] rewind_stack_and_make_dead+0x17/0x20 # [ 61.365998] RIP: 0033:0x7fdda937a473 # [ 61.370299] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.391647] RSP: 002b:00007fff60453908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.400434] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdda937a473 # [ 61.408734] RDX: 000000000000000c RSI: 0000<6>[ 65.641645] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 65.653576] lkdtm: attempting good refcount_add() without overflow 7fdda926e000 RDI: 0000000000000001 # [ 61.417029] RBP: 00007f<6>[ 65.660837] lkdtm: attempting bad refcount_add() overflow <4>[ 65.673439] ------------[ cut here ]------------ <4>[ 65.678919] refcount_t: saturated; leaking memory. dda926e000 R08: 00007fdda926d010 R09: 0000000000000000 # [ 61<4>[ 65.684658] WARNING: CPU: 1 PID: 2042 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 .425327] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000<4>[ 65.700674] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 0000000001 # [ 61.433625] R13: 0000000000000001 R14: 00000000<4>[ 65.747130] CPU: 1 PID: 2042 Comm: cat Tainted: G D W 5.10.209-cip44 #1 00020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:'<4>[ 65.762371] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 65.775563] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 65.781737] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 <4>[ 65.803117] RSP: 0018:ffffa900c2747e48 EFLAGS: 00010286 <4>[ 65.809293] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 65.817617] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 <4>[ 65.825935] RBP: ffffffff8b01a383 R08: 0000000000000000 R09: 0000000000000000 <4>[ 65.834250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 65.842563] R13: ffffa900c2747f10 R14: ffffa900c2747f10 R15: ffff9981c2eed000 <4>[ 65.850885] FS: 00007ff2c36dd580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 <4>[ 65.860283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 65.867040] CR2: 00007ff2c34e7000 CR3: 00000001061b2000 CR4: 00000000003506e0 : ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm<4>[ 65.875354] Call Trace: : WRITE_RO.sh # Killed # [ 61.824763] lkdtm: Performing dire<4>[ 65.884654] ? __warn+0x80/0x110 <4>[ 65.894832] ? refcount_warn_saturate+0x51/0x110 <4>[ 65.900330] ? report_bug+0x9e/0xc0 <4>[ 65.904561] ? handle_bug+0x41/0x90 <4>[ 65.908789] ? exc_invalid_op+0x14/0x70 <4>[ 65.913406] ? asm_exc_invalid_op+0x12/0x20 <4>[ 65.918426] ? refcount_warn_saturate+0x51/0x110 ct entry WRITE_RO # [ 61.834596] lkdtm: attempting bad rodata<4>[ 65.923915] ? refcount_warn_saturate+0x51/0x110 write at ffffffff8ab944b0 # [ 61.841881] BUG: unable to hand<4>[ 65.935623] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 le page fault for address: ffffffff8ab944b0 # [ 61.849889] #P<4>[ 65.947555] direct_entry.cold+0x2c/0x38 F: supervisor write access in kernel mode # [ 61.856043] #PF:<4>[ 65.958526] full_proxy_write+0x56/0x80 error_code(0x0003) - permissions violation # [ 61.862587] PG<4>[ 65.969363] vfs_write+0xea/0x3b0 D 149029067 P4D 149029067 PUD 14902a063 PMD 80000001488001e1 #<4>[ 65.979601] ksys_write+0x68/0xf0 [ 61.870699] Oops: 0003 [#14] SMP PTI # [ 61.875003] CPU: <4>[ 65.989882] do_syscall_64+0x33/0x40 0 PID: 1901 Comm: cat Tainted: G D W 5.10.209-cip44<4>[ 66.000399] entry_SYSCALL_64_after_hwframe+0x62/0xc7 #1 # [ 61.883974] Hardware name: Google Coral/Coral, BIOS 0<4>[ 66.012566] RIP: 0033:0x7ff2c35f3473 9/29/2020 # [ 61.890917] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 66.023110] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.896198] Code: 00 48 c7 c7 28 b1 01 8b 48 c7 c6 b0 44 b9<4>[ 66.050701] RSP: 002b:00007ffc5745d7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 8a e8 a0 d9 fb ff 48 8b 05 a4 0d d5 00 ba 34 12 cd ab 48 c7 c7 <4>[ 66.065731] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff2c35f3473 58 b1 01 8b 48 31 d0 <48> 89 05 8e 0d d5 00 e9 7e d9 fb ff 0f 1f<4>[ 66.080278] RDX: 0000000000000016 RSI: 00007ff2c34e7000 RDI: 0000000000000001 44 00 00 48 8b 05 1d cc # [ 61.917556] RSP: 0018:ffffa900c25<4>[ 66.094811] RBP: 00007ff2c34e7000 R08: 00007ff2c34e6010 R09: 0000000000000000 4fe60 EFLAGS: 00010202 # [ 61.923710] RAX: 000000000198b861 R<4>[ 66.109353] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 BX: 0000000000000028 RCX: 0000000000000000 # [ 61.932009] RDX<4>[ 66.123890] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00000000abcd1234 RSI: ffff99823bc1bf50 RDI: ffffffff8b01b158 <4>[ 66.138429] irq event stamp: 0 # [ 61.940300] RBP: ffffffff8b01a345 R08: 0000000000000000 R09<4>[ 66.148367] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 0000000000000000 # [ 61.948586] R10: 00000000ffffe000 R11: <4>[ 66.161910] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 3fffffffffffffff R12: 0000000000000009 # [ 61.956872] R13: ff<4>[ 66.177603] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ffa900c254ff10 R14: ffffa900c254ff10 R15: ffff9981c6189000 # [ <4>[ 66.193290] softirqs last disabled at (0): [<0000000000000000>] 0x0 61.965172] FS: 00007f3c175a2580(0000) GS:ffff99823bc00000(000<4>[ 66.206836] ---[ end trace f420f41c7bc8ced0 ]--- 0) knlGS:0000000000000000 # [ 61.974540] CS: 0010 DS: 0000 E<6>[ 66.218540] lkdtm: Overflow detected: saturated S: 0000 CR0: 0000000080050033 # [ 61.981274] CR2: ffffffff8ab944b0 CR3: 0000000105316000 CR4: 00000000003506f0 # [ 61.989574] Call Trace: # [ 61.992620] ? __die_body.cold+0x1a/0x1f # [ 61.997316] ? no_context+0x177/0x380 # [ 62.001724] ? exc_page_fault+0xd7/0x170 # [ 62.006421] ? asm_exc_page_fault+0x1e/0x30 # [ 62.011407] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 62.016001] direct_entry.cold+0x2c/0x38 # [ 62.020689] full_proxy_write+0x56/0x80 # [ 62.025286] vfs_write+0xea/0x3b0 # [ 62.029297] ksys_write+0x68/0xf0 # [ 62.033306] do_syscall_64+0x33/0x40 # [ 62.037600] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 62.043552] RIP: 0033:0x7f3c174b8473 # [ 62.047841] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.069201] RSP: 002b:00007ffcc9846d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.077987] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3c174b8473 # [ 62.086285] RDX: 0000000000000009 RSI: 00007f3c173ac000 RDI: 0000000000000001 # [ 62.094584] RBP: 00007f3c173ac000 R08: 00007f3c173ab010 R09: 0000000000000000 # [ 62.102882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.111182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.119483] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 62.165943] CR2: ffffffff8ab944b0 # [ 62.169956] ---[ end trace f420f41c7bc8cecc ]--- # [ 62.175424] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.180118] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 62.201481] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 62.207638] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.215934] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 62.224230] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 62.232530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 62.240828] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 62.249127] FS: 00007f3c175a2580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 62.258481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.265210] CR2: ffffffff8ab944b0 CR3: 0000000105316000 CR4: 00000000003506f0 # [ 62.273511] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 62.283749] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1901, name: cat # [ 62.292532] INFO: lockdep is turned off. # [ 62.297220] irq event stamp: 0 # [ 62.300936] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.308263] hardirqs last disabled at (0): [[ 66.553222] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 66.562455] lkdtm: attempting bad refcount_inc_not_zero() overflow ffffff88cfd6dc>] copy_process+0x65c/0x20e0 # [ 62.317719] sof<4>[ 66.569723] ------------[ cut here ]------------ <4>[ 66.581455] refcount_t: saturated; leaking memory. tirqs last enabled at (0): [] copy_process+0x<4>[ 66.587198] WARNING: CPU: 1 PID: 2075 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 65c/0x20e0 # [ 62.327186] softirqs last disabled at (0): [<00<4>[ 66.603171] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 00000000000000>] 0x0 # [ 62.334512] CPU: 0 PID: 1901 Comm: ca<4>[ 66.649647] CPU: 1 PID: 2075 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 66.664886] Hardware name: Google Coral/Coral, BIOS 09/29/2020 t Tainted: G D W 5.10.209-cip44 #1 # [ 62.343472<4>[ 66.671856] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 66.684282] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 <4>[ 66.705673] RSP: 0018:ffffa900c27efe38 EFLAGS: 00010282 <4>[ 66.711852] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 66.720174] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 ] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.<6>[ 66.727006] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) 350406] Call Trace: # [ 62.353444] dump_stack+0x77/0x9b # [<4>[ 66.728505] RBP: ffffffff8b019fc0 R08: 0000000000000000 R09: 0000000000000000 62.357457] ___might_sleep.cold+0xa6/0xb6 # [ 62.362351] <4>[ 66.728509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f exit_signals+0x1c/0x300 # [ 62.366656] do_exit+0xc2/0xab0 #<4>[ 66.728512] R13: ffffa900c27eff10 R14: ffffa900c27eff10 R15: ffff9981c61d1000 [ 62.370476] ? ksys_write+0x68/0xf0 # [ 62.374683] make_<4>[ 66.728517] FS: 00007f0d70716580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 task_dead+0x2f/0x30 # [ 62.379083] rewind_stack_and_make_dea<4>[ 66.728521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 66.728525] CR2: 00007f0d70520000 CR3: 0000000105376000 CR4: 00000000003506e0 d+0x17/0x20 # [ 62.384654] RIP: 0033:0x7f3c174b8473 # [ 62<4>[ 66.728528] Call Trace: <4>[ 66.728548] ? __warn+0x80/0x110 .388957] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f<4>[ 66.728558] ? refcount_warn_saturate+0x97/0x110 f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00<4>[ 66.728565] ? report_bug+0x9e/0xc0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2<4>[ 66.728575] ? handle_bug+0x41/0x90 8 48 89 54 24 18 # [ 62.410308] RSP: 002b:00007ffcc9846d58 EF<4>[ 66.728580] ? exc_invalid_op+0x14/0x70 LAGS: 00000246 ORIG_RAX: 0000000000000001<4>[ 66.728594] ? asm_exc_invalid_op+0x12/0x20 <6>[ 66.745995] platform MX98357A:00: deferred probe pending <4>[ 66.757718] ? refcount_warn_saturate+0x97/0x110 <4>[ 66.757726] ? refcount_warn_saturate+0x97/0x110 <4>[ 66.757732] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.419102] RAX: ffffffffffffffda RBX: 0000000000000009 RCX<4>[ 66.757740] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 : 00007f3c174b8473<4>[ 66.757754] direct_entry.cold+0x2c/0x38 <6>[ 66.772286] pci 0000:00:1b.0: deferred probe pending <4>[ 66.786809] full_proxy_write+0x56/0x80 <4>[ 66.786820] vfs_write+0xea/0x3b0 # [ 62.427400] RDX: 0000000000000009 RSI: 00007f3c173ac000 RDI<4>[ 66.947062] ksys_write+0x68/0xf0 : 0000000000000001 # [ 62.435700] RBP: 00007f3c173ac000 R08: <4>[ 66.957307] do_syscall_64+0x33/0x40 00007f3c173ab010 R09: 0000000000000000 # [ 62.443999] R10: ff<4>[ 66.967837] entry_SYSCALL_64_after_hwframe+0x62/0xc7 fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 66.980048] RIP: 0033:0x7f0d7062c473 # [ 62.452295] R13: 0000000000000001 R14: 0000000000020000 R15<4>[ 66.990208] Code: 8b 15 21 2a 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 : 0000000000020000<4>[ 67.017798] RSP: 002b:00007ffc5a3ba708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 67.028341] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0d7062c473 <4>[ 67.036841] RDX: 000000000000001f RSI: 00007f0d70520000 RDI: 0000000000000001 # WRITE_RO: saw 'call trace:': ok<4>[ 67.045156] RBP: 00007f0d70520000 R08: 00007f0d7051f010 R09: 0000000000000000 <4>[ 67.056688] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 67.065013] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 67.073519] irq event stamp: 0 ok 39 selftests: lkdtm: WRITE_RO.sh<4>[ 67.077256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 67.088005] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 67.097490] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 67.107166] softirqs last disabled at (0): [<0000000000000000>] 0x0 # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh<4>[ 67.114513] ---[ end trace f420f41c7bc8ced1 ]--- <6>[ 67.124093] lkdtm: Overflow detected: saturated # Killed # [ 62.826098] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 62.835526] lkdtm: attempting bad ro_after_init write at ffffffff8b0a0350 # [ 62.843485] BUG: unable to handle page fault for address: ffffffff8b0a0350 # [ 62.857718] #PF: supervisor write access in kernel mode # [ 62.863869] #PF: error_code(0x0003) - permissions violation # [ 62.870407] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 105370163 PTE 8000000148ea0061 # [ 62.879791] Oops: 0003 [#15] SMP PTI # [ 62.884084] CPU: 0 PID: 1937 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 62.893050] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.899990] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 62.906343] Code: b1 01 8b e9 52 d9 fb ff 48 c7 c7 b0 b1 01 8b e8 46 d9 fb ff 48 8b 05 ea cb 25 01 ba 34 12 cd ab 48 c7 c7 58 b1 01 8b 48 31 d0 <48> 89 05 d4 cb 25 01 e9 24 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 62.927703] RSP: 0018:ffffa900c25d7e60 EFLAGS: 00010202 # [ 62.933862] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 62.942157] RDX: 00000000abcd1234 RSI: ffff99823bc1bf50 RDI: ffffffff8b01b158 # [ 62.950449] RBP: ffffffff8b01a34e R08: 0000000000000000 R09: 0000000000000000 # [ 62.958743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 62.967035] R13: ffffa900c25d7f10 R14: ffffa900c25d7f10 R15: ffff9981c3119000 # [ 62.975323] FS: 00007fb6f6e8e580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 62.984673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.991409] CR2: ffffffff8b0a0350 CR3: 0000000105b60000 CR4: 00000000003506f0 # [ 62.999695] Call Trace: # [ 63.002737] ? __die_body.cold+0x1a/0x1f # [ 63.007432] ? no_context+0x177/0x380 # [ 63.011837] ? exc_page_fault+0xd7/0x170 # [ 63.016534] ? asm_exc_page_fault+0x1e/0x30 # [ 63.021525] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 63.027190] direct_entry.cold+0x2c/0x38 # [ 63.031886] full_proxy_write+0x56/0x80 # [ 63.036478] vfs_write+0xea/0x3b0 # [ 63.040489] ksys_write+0x68/0xf0 # [ 63.044498] do_syscall_64+0x33/0x40 # [ 63.048800] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 63.054761] RIP: 0033:0x7fb6f6da4473 # [ 63.059061] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.080409] RSP: 002b:00007ffc68e58248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.089192] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fb6f6da4473 # [ 63.097477] RDX: 0000000000000014 RSI: 00007fb6f6c98000 RDI: 0000000000000001 # [ 63.105768] RBP: 00007fb6f6c98000 R08: 00007fb6f6c97010 R09: 0000000000000000 # [ 63.114061] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.122346] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.130625] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstor<6>[ 67.455452] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 67.468282] lkdtm: attempting bad refcount_add_not_zero() overflow e coreboot_table # [ 63.177072] CR2: ffffffff8b0a0350 # [ <4>[ 67.475549] ------------[ cut here ]------------ 63.181082] ---[ end trace f420f41c7bc8cecd ]--- # [ 63.186552<4>[ 67.487286] refcount_t: saturated; leaking memory. ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.191233] Code: 89 ff e8 <4>[ 67.499267] WARNING: CPU: 1 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 c<4>[ 67.515240] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table c cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 <4>[ 67.561721] CPU: 1 PID: 2112 Comm: cat Tainted: G D W 5.10.209-cip44 #1 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03 # [ <4>[ 67.576953] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 67.590147] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 67.596324] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 <4>[ 67.617704] RSP: 0018:ffffa900c289fe38 EFLAGS: 00010282 <4>[ 67.623878] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 67.632199] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 <4>[ 67.640520] RBP: ffffffff8b019fe0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 67.648840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 67.657159] R13: ffffa900c289ff10 R14: ffffa900c289ff10 R15: ffff9981c629b000 <4>[ 67.665468] FS: 00007f18a5a37580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 <4>[ 67.674851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 67.681609] CR2: 00007f18a5841000 CR3: 0000000105854000 CR4: 00000000003506e0 <4>[ 67.689926] Call Trace: 63.212588] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 63<4>[ 67.692997] ? __warn+0x80/0x110 <4>[ 67.703175] ? refcount_warn_saturate+0x97/0x110 <4>[ 67.708672] ? report_bug+0x9e/0xc0 <4>[ 67.712905] ? handle_bug+0x41/0x90 <4>[ 67.717137] ? exc_invalid_op+0x14/0x70 <4>[ 67.721758] ? asm_exc_invalid_op+0x12/0x20 .218739] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 000000<4>[ 67.726773] ? refcount_warn_saturate+0x97/0x110 0000000000 # [ 63.227035] RDX: 0000000000000000 RSI: ffff9982<4>[ 67.738511] ? refcount_warn_saturate+0x97/0x110 3bc1bf50 RDI: ffffffff8ab94030 # [ 63.235332] RBP: ffffffff8b<4>[ 67.750226] __refcount_add_not_zero.constprop.0+0x2a/0x35 07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 63.243<4>[ 67.762908] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000<4>[ 67.775696] direct_entry.cold+0x2c/0x38 000004 # [ 63.251917] R13: ffffa900c122ff10 R14: ffffa900c122<4>[ 67.786630] full_proxy_write+0x56/0x80 ff10 R15: ffff9981c3436000 <4>[ 67.797467] vfs_write+0xea/0x3b0 # [ 63.260210] FS: 00007fb6f6e8e580(0000) GS:ffff99823bc00000<4>[ 67.804205] ksys_write+0x68/0xf0 (0000) knlGS:0000000000000000<4>[ 67.814461] do_syscall_64+0x33/0x40 <4>[ 67.821594] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 67.827750] RIP: 0033:0x7f18a594d473 # [ 63.269559] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[ 67.832075] Code: 8b 15 21 2a 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 33<4>[ 67.859668] RSP: 002b:00007ffd2672b668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 67.868653] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f18a594d473 # [ 63.276287] CR2: ffffffff8b0a0350 CR3: 0000000105b60000 CR4<4>[ 67.877150] RDX: 000000000000001f RSI: 00007f18a5841000 RDI: 0000000000000001 : 00000000003506f0<4>[ 67.891688] RBP: 00007f18a5841000 R08: 00007f18a5840010 R09: 0000000000000000 <4>[ 67.901747] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.284577] BUG: sleeping function called from invalid cont<4>[ 67.910244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ext at include/linux/percpu-rwsem.h:49 # [ 63.294818] in_atom<4>[ 67.924792] irq event stamp: 0 ic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1937, name: cat<4>[ 67.934737] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 67.948199] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 67.957863] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 63.303589] INFO: lockdep is turned off.<4>[ 67.967347] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 67.979060] ---[ end trace f420f41c7bc8ced2 ]--- # [ 63.308275] irq event stamp: 0 # [ 63.311987] hardirqs l<6>[ 67.984726] lkdtm: Overflow detected: saturated ast enabled at (0): [<0000000000000000>] 0x0 # [ 63.319302] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 63.328761] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 63.338227] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.345549] CPU: 0 PID: 1937 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 63.354526] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.361459] Call Trace: # [ 63.364499] dump_stack+0x77/0x9b # [ 63.368512] ___might_sleep.cold+0xa6/0xb6 # [ 63.373404] exit_signals+0x1c/0x300 # [ 63.377709] do_exit+0xc2/0xab0 # [ 63.381528] ? ksys_write+0x68/0xf0 # [ 63.385733] make_task_dead+0x2f/0x30 # [ 63.390121] rewind_stack_and_make_dead+0x17/0x20 # [ 63.395688] RIP: 0033:0x7fb6f6da4473 # [ 63.399989] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.421346] RSP: 002b:00007ffc68e58248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.430135] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fb6f6da4473 # [ 63.438430] RDX: 0000000000000014 RSI: 00007fb6f6c98000 RDI: 0000000000000001 # [ 63.446726] RBP: 00007fb6f6c98000 R08: 00007fb6f6c97010 R09: 0000000000000000 # [ 63.455023] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.463317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 63.826011] lkdtm: Performing direct entry WRITE_KERN # [ 63.833327] lkdtm: attempting bad 7106710 byte write at ffffffff89e43686 # [ 63.841192] BUG: unable to handle page fault for address: ffffffff89e43686 # [ 63.849203] #PF: supervisor write access in kernel mode # [ 63.855347] #PF: error_code(0x0003) - permissions violation # [ 63.868123] PGD 149029067 P4D 149029067 PUD 14902a063 PMD 147c001e1 # [ 63.875553] Oops: 0003 [#16] SMP PTI # [ 63.879857] CPU: 2 PID: 1973 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 63.888836] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.895774] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 63.901246] Code: 53 48 c7 c3 86 36 e4 89 49 89 dc 48 89 da 49 81 ec f0 c5 77 89 4c 89 e6 e8 f9 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 c5 77 89 a4 48 c7 c7 58 b1 01 8b e8 de d8 fb ff 5b 41 5c e9 b7 fe ff ff # [ 63.922589] RSP: 0018:ffffa900c265fe50 EFLAGS: 00010246 # [ 63.928744] RAX: 000000000000003c RBX: ffffffff89e43686 RCX: 00000000006c7096 # [ 63.937040] RDX: 0000000000000000 RSI: ffffffff8977c5f0 RDI: ffffffff89e43686 # [ 63.945337] RBP: ffffffff8b01a362 R08: 0000000000000000 R09: 0000000000000000 # [ 63.953634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7096 # [ 63.961929] R13: ffffa900c265ff10 R14: ffffa900c265ff10 R15: ffff9981c2ef2000 # [ 63.970228] FS: 00007fc00f9b6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 63.979599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.986333] CR2: ffffffff89e43686 CR3: 00000001031e20<6>[ 68.318247] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 68.327400] lkdtm: attempting good refcount_dec() <6>[ 68.332994] lkdtm: attempting bad refcount_dec() to zero <4>[ 68.339288] ------------[ cut here ]------------ 00 CR4: 00000000003506e0 # [ 63.994628] Call Trace: # [ 63<4>[ 68.344780] refcount_t: decrement hit 0; leaking memory. .997676] ? __die_body.cold+0x1a/0x1f # [ 64.002367] ? no_co<4>[ 68.357328] WARNING: CPU: 1 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ntext+0x177/0x380 # [ 64.006773] ? lkdtm_SLAB_FREE_CROSS.col<4>[ 68.373313] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 68.419768] CPU: 1 PID: 2145 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 68.428770] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 68.435731] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 68.441906] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 68.463288] RSP: 0018:ffffa900c294fe48 EFLAGS: 00010286 <4>[ 68.469466] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 68.477784] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 <4>[ 68.486103] RBP: ffffffff8b01a399 R08: 0000000000000000 R09: 0000000000000000 <4>[ 68.494425] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 68.502741] R13: ffffa900c294ff10 R14: ffffa900c294ff10 R15: ffff9981c3765000 <4>[ 68.511064] FS: 00007f8822990580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 <4>[ 68.520454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 68.527213] CR2: 00007f882279a000 CR3: 0000000103002000 CR4: 00000000003506e0 <4>[ 68.535532] Call Trace: <4>[ 68.538604] ? __warn+0x80/0x110 d+0x32/0x32 # [ 64.018771] ? exc_page_fault+0xd7/0x170 # [ <4>[ 68.542545] ? refcount_warn_saturate+0xfb/0x110 <4>[ 68.554245] ? report_bug+0x9e/0xc0 <4>[ 68.558477] ? handle_bug+0x41/0x90 <4>[ 68.562703] ? exc_invalid_op+0x14/0x70 <4>[ 68.567320] ? asm_exc_invalid_op+0x12/0x20 64.023468] ? asm_exc_page_fault+0x1e/0x30 # [ 64.028453] <4>[ 68.572338] ? refcount_warn_saturate+0xfb/0x110 <4>[ 68.584073] ? refcount_warn_saturate+0xfb/0x110 <4>[ 68.589563] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 64.034222] ? lkdt<4>[ 68.594862] direct_entry.cold+0x2c/0x38 m_SLAB_FREE_PAGE+0x40/0x40 # [ 64.039399] ? lkdtm_SLAB_FREE_<4>[ 68.605813] full_proxy_write+0x56/0x80 <4>[ 68.616646] vfs_write+0xea/0x3b0 CROSS.cold+0x32/0x32 # [ 64.045168] ? lkdtm_WRITE_KERN+0x38/<4>[ 68.620687] ksys_write+0x68/0xf0 <4>[ 68.630918] do_syscall_64+0x33/0x40 <4>[ 68.635251] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0x4e # [ 64.049962] direct_entry.cold+0x2c/0x38 # [ 64.05<4>[ 68.641237] RIP: 0033:0x7f88228a6473 4657] full_proxy_write+0x56/0x80 # [ 64.059256] vfs_write+0<4>[ 68.651774] Code: 8b 15 21 2a 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 xea/0x3b0 # [ 64.063269] ksys_write+0x68/0xf0 # [ 64.0672<4>[ 68.679373] RSP: 002b:00007ffcffd21588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 85] do_syscall_64+0x33/0x40 # [ 64.071593] entry_SYSCALL_64<4>[ 68.694391] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f88228a6473 _after_hwframe+0x62/0xc7 # [ 64.077552] RIP: 0033:0x7fc00f8cc<4>[ 68.708927] RDX: 0000000000000012 RSI: 00007f882279a000 RDI: 0000000000000001 473 # [ 64.081851] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 <4>[ 68.723455] RBP: 00007f882279a000 R08: 00007f8822799010 R09: 0000000000000000 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7<4>[ 68.737998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 <4>[ 68.752537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 48 83 ec 28 48 89 54 24 18 # [ 64.103208] RSP: 002b:00007f<4>[ 68.767096] irq event stamp: 0 fc533eb1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 68.777045] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.111998] RAX: ffffffffffffffda RBX: 000000000000000b RCX<4>[ 68.789834] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 : 00007fc00f8cc473 # [ 64.120293] RDX: 000000000000000b RSI: <4>[ 68.805539] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 00007fc00f7c0000 RDI: 0000000000000001 # [ 64.128588] RBP: 00<4>[ 68.821237] softirqs last disabled at (0): [<0000000000000000>] 0x0 007fc00f7c0000 R08: 00007fc00f7bf010 R09: 0000000000000000 # [ <4>[ 68.834805] ---[ end trace f420f41c7bc8ced3 ]--- 64.136885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00<6>[ 68.846518] lkdtm: Zero detected: saturated 00000000000001 # [ 64.145182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.153491] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 64.199979] CR2: ffffffff89e43686 # [ 64.203992] ---[ end trace f420f41c7bc8cece ]--- # [ 64.209464] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 64.214158] Code: 89 ff e8 5e d2 79 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 d0 9a 2a 03 # [ 64.235517] RSP: 0018:ffffa900c122fe60 EFLAGS: 00010282 # [ 64.241675] RAX: ffffffff8977c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.249969] RDX: 0000000000000000 RSI: ffff99823bc1bf50 RDI: ffffffff8ab94030 # [ 64.258268] RBP: ffffffff8b07e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 64.266566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 64.274864] R13: ffffa900c122ff10 R14: ffffa900c122ff10 R15: ffff9981c3436000 # [ 64.283164] FS: 00007fc00f9b6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 64.292531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.299271] CR2: ffffffff89e43686 CR3: 00000001031e2000 CR4: 00000000003506e0 # [ 64.307574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 64.317825] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1973, name: cat # [ 64.326601] INFO: lockdep is turned off. # [ 64.331288] irq event stamp: 0 # [ 64.335007] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.342325] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 64.351788] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 64.361252] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.368575] CPU: 2 PID: 1973 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 64.377544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.384476] Call Trace: # [ 64.387517] dump_stack+0x77/0x9b # [ 64.391533] ___might_sleep.cold+0xa6/0xb6 # [ 64.396425] exit_signals+0x1c/0x300 # [ 64.400730] do_exit+0xc2/0xab0 # [ 64.404547] ? ksys_write+0x68/0xf0 # [ 64.408754] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 64.414517] make_task_dead+0x2f/0x30 # [ 64.418920] rewind_stack_and_make_dead+0x17/0x20 # [ 64.424489] RIP: 0033:0x7fc00f8cc473 # [ 64.428792] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.450135] RSP: 002b:00007ffc533eb1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.458922] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fc00f8cc473 # [ 64.467222] RDX: 000000000000000b RSI: 00007fc00f7c0000 RDI: 0000000000000001 # [ 64.475519] RBP: 00007fc00f7c0000 R08: 00007fc00f7bf010 R09: 0000000000000000 # [ 64.483817] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.492116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 64.903151] lkdtm: Performing direct entry REFCOUNT_I<6>[ 69.217492] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 69.228260] lkdtm: attempting bad refcount_dec() below zero <4>[ 69.234856] ------------[ cut here ]------------ <4>[ 69.240351] refcount_t: decrement hit 0; leaking memory. <4>[ 69.246675] WARNING: CPU: 2 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 NC_OVERFLOW # [ 64.913162] lkdtm: attempting good refcount_in<4>[ 69.256454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 69.302863] CPU: 2 PID: 2181 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 69.311863] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 69.318819] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 69.324995] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b c() without overflow # [ 64.920437] lkdtm: attempting bad ref<4>[ 69.346379] RSP: 0018:ffffa900c29cfe48 EFLAGS: 00010286 count_inc() overflow # [ 64.926816] ------------[ cut here ]-<4>[ 69.358792] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 ----------- # [ 64.932306] refcount_t: saturated; leaking mem<4>[ 69.373349] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 ory. # [ 64.938045] WARNING: CPU: 2 PID: 2009 at lib/refcount<4>[ 69.387887] RBP: ffffffff8b01a3ab R08: 0000000000000000 R09: 0000000000000000 .c:22 refcount_warn_saturate+0x51/0x110 # [ 64.947828] Module<4>[ 69.402430] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 s linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros<4>[ 69.416981] R13: ffffa900c29cff10 R14: ffffa900c29cff10 R15: ffff9981c2788000 _ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbp<4>[ 69.431522] FS: 00007ff870ec6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 d_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi <4>[ 69.447131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219<4>[ 69.460102] CR2: 00007ff870cd0000 CR3: 00000001063f8000 CR4: 00000000003506e0 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_co<4>[ 69.474645] Call Trace: mpress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_tab<4>[ 69.483933] ? __warn+0x80/0x110 le # [ 64.994350] CPU: 2 PID: 2009 Comm: cat Tainted: G <4>[ 69.494093] ? refcount_warn_saturate+0xfb/0x110 D W 5.10.209-cip44 #1 # [ 65.003354] Hardware name: G<4>[ 69.505792] ? report_bug+0x9e/0xc0 oogle Coral/Coral, BIOS 09/29/2020 # [ 65.010313] RIP: 0010:<4>[ 69.516249] ? handle_bug+0x41/0x90 refcount_warn_saturate+0x51/0x110 # [ 65.016498] Code: 84 bc <4>[ 69.526690] ? exc_invalid_op+0x14/0x70 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 4<4>[ 69.537535] ? asm_exc_invalid_op+0x12/0x20 8 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b <4>[ 69.548768] ? refcount_warn_saturate+0xfb/0x110 c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 # [<4>[ 69.560479] ? refcount_warn_saturate+0xfb/0x110 65.037887] RSP: 0018:ffffa900c26efe48 EFLAGS: 00010286 <4>[ 69.572196] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 65.044063] RAX: 0000000000000000 RBX: 000000000000002b RCX<4>[ 69.583631] direct_entry.cold+0x2c/0x38 : 0000000000000000<4>[ 69.594562] full_proxy_write+0x56/0x80 <4>[ 69.600920] vfs_write+0xea/0x3b0 # [ 65.052381] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI<4>[ 69.605149] ksys_write+0x68/0xf0 : ffff99823bd1bf50 # [ 65.060706] RBP: ffffffff8b01a36d R08: <4>[ 69.615414] do_syscall_64+0x33/0x40 0000000000000000 R09: 0000000000000000 # [ 65.069019] R10: 00<4>[ 69.625957] entry_SYSCALL_64_after_hwframe+0x62/0xc7 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ <4>[ 69.638152] RIP: 0033:0x7ff870ddc473 65.077337] R13: ffffa900c26eff10 R14: ffffa900c26eff10 R15: ff<4>[ 69.648697] Code: 8b 15 21 2a 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 ff9981c5b10000 # [ 65.085657] FS: 00007f6d8baf2580(0000) GS:<4>[ 69.676281] RSP: 002b:00007ffffaa73878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 69.691315] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff870ddc473 # [ 65.095047] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[ 69.704204] RDX: 0000000000000016 RSI: 00007ff870cd0000 RDI: 0000000000000001 33<4>[ 69.718752] RBP: 00007ff870cd0000 R08: 00007ff870ccf010 R09: 0000000000000000 # [ 65.101808] CR2: 00007f6d8b8fc000 CR3: 0000000104848000 C<4>[ 69.727248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R4: 00000000003506e0 # [ 65.110125] Call Trace: # [ 65.113<4>[ 69.741796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 194] ? __warn+0x80/0x110 <4>[ 69.756350] irq event stamp: 0 # [ 65.117140] ? refcount_warn_saturate+0x51/0x110<4>[ 69.762692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.122637] ? report_bug+0x9e/0xc0 # [ 65.126876] ? <4>[ 69.775195] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 handle_bug+0x41/0x90 <4>[ 69.790919] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 69.802532] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.131106] ? exc_invalid_op+0x14/0x70<4>[ 69.809873] ---[ end trace f420f41c7bc8ced4 ]--- <6>[ 69.819642] lkdtm: Negative detected: saturated # [ 65.135729] ? asm_exc_invalid_op+0x12/0x20 # [ 65.140750] ? refcount_warn_saturate+0x51/0x110 # [ 65.146249] ? refcount_warn_saturate+0x51/0x110 # [ 65.151747] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 65.157441] direct_entry.cold+0x2c/0x38 # [ 65.162164] full_proxy_write+0x56/0x80 # [ 65.166796] vfs_write+0xea/0x3b0 # [ 65.170828] ksys_write+0x68/0xf0 # [ 65.174886] do_syscall_64+0x33/0x40 # [ 65.185409] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 65.191399] RIP: 0033:0x7f6d8ba08473 # [ 65.195726] Code: 8b 15 21 2a 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 # [ 65.217111] RSP: 002b:00007ffdf93dc0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.225919] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6d8ba08473 # [ 65.234230] RDX: 0000000000000016 RSI: 00007f6d8b8fc000 RDI: 0000000000000001 # [ 65.242541] RBP: 00007f6d8b8fc000 R08: 00007f6d8b8fb010 R09: 0000000000000000 # [ 65.250859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.259185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.267515] irq event stamp: 0 # [ 65.271256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.278606] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 65.288092] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 65.297584] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.304929] ---[ end trace f420f41c7bc8cecf ]--- # [ 65.310420] 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 # [ 65.641645] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 65.653576] lkdtm: attempting good refcount_add() without overflow # [ 65.660837] lkdtm: attempting bad refcount_add() overflow # [ 65.673439] ------------[ cut here ]------------ # [ 65.678919] refcount_t: saturated; leaking memory. # [ 65.684658] WARNING: CPU: 1 PID: 2042 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 65.700674] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 65.747130] CPU: 1 PID: 2042 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 65.762371] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.775563] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 65.781737] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 # [ 65.803117] RSP: 0018:ffffa900c2747e48 EFLAGS: 00010286 # [ 65.809293] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 65.817617] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 # [ 65.825935] RBP: ffffffff8b01a383 R08: 0000000000000000 R09: 0000000000000000 # [ 65.834250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 65.842563] R13: ffffa900c2747f10 R14: ffffa900c2747f10 R15: ffff9981c2eed000 # [ 65.850885] FS: 00007ff2c36dd580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 # [ 65.860283] CS: <6>[ 70.189313] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.867040] <6>[ 70.199971] lkdtm: attempting bad refcount_dec_and_test() below zero CR2: 00007ff2c34e7000 CR3: 00000001061b2000 CR4: 00000000003506e<4>[ 70.213679] ------------[ cut here ]------------ 0 # [ 65.875354] Call Trace: # [ 65.884654] ? __warn+0x80<4>[ 70.225379] refcount_t: underflow; use-after-free. /0x110 # [ 65.894832] ? refcount_warn_saturate+0x51/0x110 #<4>[ 70.237336] WARNING: CPU: 3 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 65.900330] ? report_bug+0x9e/0xc0 # [ 65.904561] ? han<4>[ 70.253355] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table dle_bug+0x41/0x90 # [ 65.908789] ? exc_invalid_op+0x14/0x70 <4>[ 70.299771] CPU: 3 PID: 2217 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 65.913406] ? asm_exc_invalid_op+0x12/0x20 # [ 65.9184<4>[ 70.314943] Hardware name: Google Coral/Coral, BIOS 09/29/2020 26] ? refcount_warn_saturate+0x51/0x110 # [ 65.923915] ? re<4>[ 70.328152] RIP: 0010:refcount_warn_saturate+0xba/0x110 fcount_warn_saturate+0x51/0x110 # [ 65.935623] lkdtm_REFCOUN<4>[ 70.340530] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 T_ADD_OVERFLOW+0x7f/0xa7 # [ 65.947555] direct_entry.cold+0x<4>[ 70.368149] RSP: 0018:ffffa900c2a5fe40 EFLAGS: 00010286 2c/0x38 # [ 65.958526] full_proxy_write+0x56/0x80 # [ 65.<4>[ 70.380528] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 969363] vfs_write+0xea/0x3b0 # [ 65.979601] ksys_write+0x68<4>[ 70.395075] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 /0xf0 # [ 65.989882] do_syscall_64+0x33/0x40 # [ 66.00039<4>[ 70.409635] RBP: ffffffff8b01a000 R08: 0000000000000000 R09: 0000000000000000 9] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 66.012566] R<4>[ 70.424160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f IP: 0033:0x7ff2c35f3473 # [ 66.023110] Code: 8b 15 21 2a 0e 0<4>[ 70.438726] R13: ffffa900c2a5ff10 R14: ffffa900c2a5ff10 R15: ffff9981c4d9c000 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25<4>[ 70.453258] FS: 00007f77aa400580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f<4>[ 70.468898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.0507<4>[ 70.481923] CR2: 00007f77aa20a000 CR3: 00000001061c0000 CR4: 00000000003506e0 01] RSP: 002b:00007ffc5745d7f8 EFLAGS: 00000246 ORIG_RAX: 000000<4>[ 70.496741] Call Trace: 0000000001 # [ 66.065731] RAX: ffffffffffffffda RBX: 00000000<4>[ 70.505800] ? __warn+0x80/0x110 00000016 RCX: 00007ff2c35f3473 # [ 66.080278] RDX: 0000000000<4>[ 70.516088] ? refcount_warn_saturate+0xba/0x110 000016 RSI: 00007ff2c34e7000 RDI: 0000000000000001 # [ 66.094<4>[ 70.527644] ? report_bug+0x9e/0xc0 811] RBP: 00007ff2c34e7000 R08: 00007ff2c34e6010 R09: 0000000000<4>[ 70.538222] ? handle_bug+0x41/0x90 000000 # [ 66.109353] R10: fffffffffffffbc5 R11: 000000000000<4>[ 70.548661] ? exc_invalid_op+0x14/0x70 0246 R12: 0000000000000001 # [ 66.123890] R13: 00000000000000<4>[ 70.559387] ? asm_exc_invalid_op+0x12/0x20 01 R14: 0000000000020000 R15: 0000000000020000 # [ 66.138429]<4>[ 70.570714] ? refcount_warn_saturate+0xba/0x110 irq event stamp: 0 # [ 66.148367] hardirqs last enabled at <4>[ 70.582335] __refcount_sub_and_test.constprop.0+0x3c/0x50 (0): [<0000000000000000>] 0x0 # [ 66.161910] hardirqs last di<4>[ 70.595202] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 sabled at (0): [] copy_process+0x65c/0x20e0 #<4>[ 70.607963] direct_entry.cold+0x2c/0x38 [ 66.177603] softirqs last enabled at (0): [[ 70.618885] full_proxy_write+0x56/0x80 c>] copy_process+0x65c/0x20e0 # [ 66.193290] softirqs last di<4>[ 70.629635] vfs_write+0xea/0x3b0 sabled at (0): [<0000000000000000>] 0x0 # [ 66.206836] ---[ e<4>[ 70.639938] ksys_write+0x68/0xf0 nd trace f420f41c7bc8ced0 ]--- # [ 66.218540] lkdtm: Overflow<4>[ 70.650138] do_syscall_64+0x33/0x40 detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:'<4>[ 70.660713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 : ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selfte<4>[ 70.672881] RIP: 0033:0x7f77aa316473 sts: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 66.553222] <4>[ 70.683453] Code: 8b 15 21 2a 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 lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW #<4>[ 70.711015] RSP: 002b:00007ffda0bc0788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.562455] lkdtm: attempting bad refcount_inc_not_zero() ov<4>[ 70.726157] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f77aa316473 erflow # [ 66.569723] ------------[ cut here ]------------ #<4>[ 70.740699] RDX: 000000000000001f RSI: 00007f77aa20a000 RDI: 0000000000000001 [ 66.581455] refcount_t: saturated; leaking memory. # [ 66<4>[ 70.755284] RBP: 00007f77aa20a000 R08: 00007f77aa209010 R09: 0000000000000000 .587198] WARNING: CPU: 1 PID: 2075 at lib/refcount.c:19 refcount<4>[ 70.769683] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 _warn_saturate+0x97/0x110 # [ 66.603171] Modules linked in: f<4>[ 70.784371] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 use ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcv<4>[ 70.798814] irq event stamp: 0 ideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger video<4>[ 70.808785] hardirqs last enabled at (0): [<0000000000000000>] 0x0 buf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_t<4>[ 70.822353] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 hermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98<4>[ 70.838089] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm<4>[ 70.853732] softirqs last disabled at (0): [<0000000000000000>] 0x0 _dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 66.6<4>[ 70.867294] ---[ end trace f420f41c7bc8ced5 ]--- 49647] CPU: 1 PID: 2075 Comm: cat Tainted: G D W 5.<6>[ 70.879091] lkdtm: Negative detected: saturated 10.209-cip44 #1 # [ 66.664886] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.671856] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 66.684282] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 # [ 66.705673] RSP: 0018:ffffa900c27efe38 EFLAGS: 00010282 # [ 66.711852] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 66.720174] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 # [ 66.727006] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) # [ 66.728505] RBP: ffffffff8b019fc0 R08: 0000000000000000 R09: 0000000000000000 # [ 66.728509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.728512] R13: ffffa900c27eff10 R14: ffffa900c27eff10 R15: ffff9981c61d1000 # [ 66.728517] FS: 00007f0d70716580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 # [ 66.728521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.728525] CR2: 00007f0d70520000 CR3: 0000000105376000 CR4: 00000000003506e0 # [ 66.728528] Call Trace: # [ 66.728548] ? __warn+0x80/0x110 # [ 66.728558] ? refcount_warn_saturate+0x97/0x110 # [ 66.728565] ? report_bug+0x9e/0xc0 # [ 66.728575] ? handle_bug+0x41/0x90 # [ 66.728580] ? exc_invalid_op+0x14/0x70 # [ 66.728594] ? asm_exc_invalid_op+0x12/0x20 # [ 66.745995] platform MX98357A:00: deferred probe pending # [ 66.757718] ? refcount_warn_saturate+0x97/0x110 # [ 66.757726] ? refcount_warn_saturate+0x97/0x110 # [ 66.757732] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 66.757740] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 66.757754] direct_entry.cold+0x2c/0x38 # [ 66.772286] pci 0000:00:1b.0: deferred probe pending # [ 66.786809] full_proxy_write+0x56/0x80 # [ 66.786820] vfs_write+0xea/0x3b0 # [ 66.947062] ksys_write+0x68/0xf0 # [ 66.957307] do_syscall_64+0x33/0x40 # [ 66.967837] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 66.980048] RIP: 0033:0x7f0d7062c473 # [ 66.990208] Code: 8b 15 21 2a 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 # [ 67.017798] RSP: 002b:00007ffc5a3ba708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.028341] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0d7062c473 # [ 67.036841] RDX: 000000000000001f RSI: 00007f0d70520000 RDI: 0000000000000001 # [ 67.045156] RBP: 00007f0d70520000 R08: 00007f0d7051f010 R09: 0000000000000000 # [ 67.056688] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.065013] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.073519] irq event stamp: 0 # [ 67.077256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.088005] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 67.097490] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 67.107166] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.114513] ---[ end trace f420f41c7bc8ced1 ]--- # [ 67.124093] 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 # [ 67.455452] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 67.468282] <6>[ 71.245481] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 71.254141] lkdtm: attempting bad refcount_sub_and_test() below zero lkdtm: attempting bad refcount_add_not_zero() overflow # [ 67<4>[ 71.261598] ------------[ cut here ]------------ <4>[ 71.273314] refcount_t: underflow; use-after-free. .475549] ------------[ cut here ]------------ # [ 67.487286] <4>[ 71.279056] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 refcount_t: saturated; leaking memory. # [ 67.499267] WARNING<4>[ 71.295015] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 71.341549] CPU: 0 PID: 2253 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 71.350578] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 71.357546] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 71.363720] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 71.385102] RSP: 0018:ffffa900c2af7e40 EFLAGS: 00010286 <4>[ 71.391286] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 71.399604] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 71.407921] RBP: ffffffff8b01a020 R08: 0000000000000000 R09: 0000000000000000 <4>[ 71.416238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 71.424555] R13: ffffa900c2af7f10 R14: ffffa900c2af7f10 R15: ffff9981c5343000 <4>[ 71.432876] FS: 00007ff0146f9580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 71.442263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 71.449024] CR2: 00007ff014503000 CR3: 000000010376c000 CR4: 00000000003506f0 <4>[ 71.457344] Call Trace: : CPU: 1 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0<4>[ 71.460412] ? __warn+0x80/0x110 <4>[ 71.470584] ? refcount_warn_saturate+0xba/0x110 <4>[ 71.476072] ? report_bug+0x9e/0xc0 <4>[ 71.480303] ? handle_bug+0x41/0x90 <4>[ 71.484532] ? exc_invalid_op+0x14/0x70 <4>[ 71.489151] ? asm_exc_invalid_op+0x12/0x20 <4>[ 71.494169] ? refcount_warn_saturate+0xba/0x110 <4>[ 71.499666] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 71.506141] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 71.512705] direct_entry.cold+0x2c/0x38 x97/0x110 # [ 67.515240] Modules linked in: fuse ip_tables cr<4>[ 71.517417] full_proxy_write+0x56/0x80 <4>[ 71.528279] vfs_write+0xea/0x3b0 <4>[ 71.532308] ksys_write+0x68/0xf0 <4>[ 71.536348] do_syscall_64+0x33/0x40 os_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_<4>[ 71.540689] entry_SYSCALL_64_after_hwframe+0x62/0xc7 charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc vid<4>[ 71.552876] RIP: 0033:0x7ff01460f473 eobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_d<4>[ 71.563413] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 71.591032] RSP: 002b:00007ffcc2bc1a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 71.599843] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff01460f473 <4>[ 71.608162] RDX: 000000000000001f RSI: 00007ff014503000 RDI: 0000000000000001 <4>[ 71.616480] RBP: 00007ff014503000 R08: 00007ff014502010 R09: 0000000000000000 <4>[ 71.624800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 71.633117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 71.641443] irq event stamp: 0 <4>[ 71.645182] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 71.652530] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 71.662022] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 71.671513] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 71.678856] ---[ end trace f420f41c7bc8ced6 ]--- <6>[ 71.684339] lkdtm: Negative detected: saturated ev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 67.561721] CPU: 1 PID: 2112 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 67.576953] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.590147] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 67.596324] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 # [ 67.617704] RSP: 0018:ffffa900c289fe38 EFLAGS: 00010282 # [ 67.623878] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 67.632199] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 # [ 67.640520] RBP: ffffffff8b019fe0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.648840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 67.657159] R13: ffffa900c289ff10 R14: ffffa900c289ff10 R15: ffff9981c629b000 # [ 67.665468] FS: 00007f18a5a37580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 # [ 67.674851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.681609] CR2: 00007f18a5841000 CR3: 0000000105854000 CR4: 00000000003506e0 # [ 67.689926] Call Trace: # [ 67.692997] ? __warn+0x80/0x110 # [ 67.703175] ? refcount_warn_saturate+0x97/0x110 # [ 67.708672] ? report_bug+0x9e/0xc0 # [ 67.712905] ? handle_bug+0x41/0x90 # [ 67.717137] ? exc_invalid_op+0x14/0x70 # [ 67.721758] ? asm_exc_invalid_op+0x12/0x20 # [ 67.726773] ? refcount_warn_saturate+0x97/0x110 # [ 67.738511] ? refcount_warn_saturate+0x97/0x110 # [ 67.750226] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 67.762908] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 67.775696] direct_entry.cold+0x2c/0x38 # [ 67.786630] full_proxy_write+0x56/0x80 # [ 67.797467] vfs_write+0xea/0x3b0 # [ 67.804205] ksys_write+0x68/0xf0 # [ 67.814461] do_syscall_64+0x33/0x40 # [ 67.821594] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 67.827750] RIP: 0033:0x7f18a594d473 # [ 67.832075] Code: 8b 15 21 2a 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 # [ 67.859668] RSP: 002b:00007ffd2672b668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.868653] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f18a594d473 # [ 67.877150] RDX: 000000000000001f RSI: 00007f18a5841000 RDI: 0000000000000001 # [ 67.891688] RBP: 00007f18a5841000 R08: 00007f18a5840010 R09: 0000000000000000 # [ 67.901747] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.910244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.924792] irq event stamp: 0 # [ 67.934737] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.948199] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 67.957863] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 67.967347] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.979060] ---[ end trace f420f41c7bc8ced2 ]--- # [ 67.984726] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 68.318247] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 68.327400] lkdtm: attempting good refcount_dec() # [ 68.332994] l<6>[ 72.048391] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 72.058285] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 72.065734] lkdtm: Good: zero detected <6>[ 72.070274] lkdtm: Correctly stayed at zero <6>[ 72.075282] lkdtm: attempting bad refcount_inc() from zero <4>[ 72.081752] ------------[ cut here ]------------ <4>[ 72.087239] refcount_t: addition on 0; use-after-free. kdtm: attempting bad refcount_dec() to zero # [ 68.339288] --<4>[ 72.093368] WARNING: CPU: 0 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ----------[ cut here ]------------ # [ 68.344780] refcount_t:<4>[ 72.109383] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 72.155803] CPU: 0 PID: 2286 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 72.164803] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 72.171758] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 72.177943] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 8a c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 <4>[ 72.199323] RSP: 0018:ffffa900c2b87e48 EFLAGS: 00010286 <4>[ 72.205499] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 72.213813] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 72.222129] RBP: ffffffff8b01a3c1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 72.230442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 72.238754] R13: ffffa900c2b87f10 R14: ffffa900c2b87f10 R15: ffff9981c2788000 <4>[ 72.247075] FS: 00007fb089df1580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 72.256463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 72.263227] CR2: 00007fb089bfb000 CR3: 00000001030e4000 CR4: 00000000003506f0 <4>[ 72.271539] Call Trace: <4>[ 72.274603] ? __warn+0x80/0x110 <4>[ 72.278539] ? refcount_warn_saturate+0x74/0x110 <4>[ 72.284033] ? report_bug+0x9e/0xc0 <4>[ 72.288263] ? handle_bug+0x41/0x90 <4>[ 72.292490] ? exc_invalid_op+0x14/0x70 <4>[ 72.297107] ? asm_exc_invalid_op+0x12/0x20 <4>[ 72.302120] ? refcount_warn_saturate+0x74/0x110 <4>[ 72.307622] ? refcount_warn_saturate+0x74/0x110 <4>[ 72.313122] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 72.318417] direct_entry.cold+0x2c/0x38 decrement hit 0; leaking memory. # [ 68.357328] WARNING: CPU<4>[ 72.323144] full_proxy_write+0x56/0x80 : 1 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0<4>[ 72.333970] vfs_write+0xea/0x3b0 x110 # [ 68.373313] Modules linked in: fuse ip_tables cros_ec<4>[ 72.344228] ksys_write+0x68/0xf0 <4>[ 72.354487] do_syscall_64+0x33/0x40 <4>[ 72.358805] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 72.364786] RIP: 0033:0x7fb089d07473 <4>[ 72.369110] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 72.390490] RSP: 002b:00007ffefd998408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 72.399342] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb089d07473 <4>[ 72.407684] RDX: 0000000000000012 RSI: 00007fb089bfb000 RDI: 0000000000000001 <4>[ 72.416006] RBP: 00007fb089bfb000 R08: 00007fb089bfa010 R09: 0000000000000000 <4>[ 72.424322] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 72.432637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 72.440964] irq event stamp: 0 <4>[ 72.444702] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 72.452048] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 72.461534] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 72.471024] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 72.478366] ---[ end trace f420f41c7bc8ced7 ]--- <6>[ 72.483856] lkdtm: Zero detected: saturated _debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 68.419768] CPU: 1 PID: 2145 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 68.428770] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.435731] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 68.441906] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 68.463288] RSP: 0018:ffffa900c294fe48 EFLAGS: 00010286 # [ 68.469466] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 68.477784] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 # [ 68.486103] RBP: ffffffff8b01a399 R08: 0000000000000000 R09: 0000000000000000 # [ 68.494425] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 68.502741] R13: ffffa900c294ff10 R14: ffffa900c294ff10 R15: ffff9981c3765000 # [ 68.511064] FS: 00007f8822990580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 # [ 68.520454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.527213] CR2: 00007f882279a000 CR3: 0000000103002000 CR4: 00000000003506e0 # [ 68.535532] Call Trace: # [ 68.538604] ? __warn+0x80/0x110 # [ 68.542545] ? refcount_warn_saturate+0xfb/0x110 # [ 68.554245] ? report_bug+0x9e/0xc0 # [ 68.558477] ? handle_bug+0x41/0x90 # [ 68.562703] ? exc_invalid_op+0x14/0x70 # [ 68.567320] ? asm_exc_invalid_op+0x12/0x20 # [ 68.572338] ? refcount_warn_saturate+0xfb/0x110 # [ 68.584073] ? refcount_warn_saturate+0xfb/0x110 # [ 68.589563] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 68.594862] direct_entry.cold+0x2c/0x38 # [ 68.605813] full_proxy_write+0x56/0x80 # [ 68.616646] vfs_write+0xea/0x3b0 # [ 68.620687] ksys_write+0x68/0xf0 # [ 68.630918] do_syscall_64+0x33/0x40 # [ 68.635251] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 68.641237] RIP: 0033:0x7f88228a6473 # [ 68.651774] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.679373] RSP: 002b:00007ffcffd21588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.694391] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f88228a6473 # [ 68.708927] RDX: 0000000000000012 RSI: 00007f882279a000 RDI: 0000000000000001 # [ 68.723455] RBP: 00007f882279a000 R08: 00007f8822799010 R09: 0000000000000000 # [ 68.737998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.752537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.767096] irq event stamp: 0 # [ 68.777045] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.789834] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 68.805539] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 68.821237] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.834805] ---[ end trace f420f41c7bc8ced3 ]--- # [ 68.846518] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIV<6>[ 72.839079] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 72.851273] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 72.858729] lkdtm: Good: zero detected <6>[ 72.863244] lkdtm: Correctly stayed at zero <6>[ 72.868243] lkdtm: attempting bad refcount_add() from zero <4>[ 72.874705] ------------[ cut here ]------------ <4>[ 72.880192] refcount_t: addition on 0; use-after-free. <4>[ 72.886327] WARNING: CPU: 0 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 E.sh # [ 69.217492] lkdtm: Performing direct entry REFCOUNT_D<4>[ 72.896101] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 72.942627] CPU: 0 PID: 2319 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 72.951629] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 72.958589] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 72.964768] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 8a c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 <4>[ 72.986141] RSP: 0018:ffffa900c2c0fe48 EFLAGS: 00010286 <4>[ 72.992319] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 73.000637] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 73.008960] RBP: ffffffff8b01a3d3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 73.017283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 73.025597] R13: ffffa900c2c0ff10 R14: ffffa900c2c0ff10 R15: ffff9981c3417000 <4>[ 73.033908] FS: 00007f7175cdb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 73.043299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 73.050063] CR2: 00007f7175ae5000 CR3: 00000001030ea000 CR4: 00000000003506f0 EC_NEGATIVE # [ 69.228260] lkdtm: attempting bad refcount_dec<4>[ 73.058379] Call Trace: <4>[ 73.067674] ? __warn+0x80/0x110 <4>[ 73.071617] ? refcount_warn_saturate+0x74/0x110 <4>[ 73.077113] ? report_bug+0x9e/0xc0 <4>[ 73.081343] ? handle_bug+0x41/0x90 <4>[ 73.085567] ? exc_invalid_op+0x14/0x70 <4>[ 73.090185] ? asm_exc_invalid_op+0x12/0x20 <4>[ 73.095204] ? refcount_warn_saturate+0x74/0x110 <4>[ 73.100700] ? refcount_warn_saturate+0x74/0x110 <4>[ 73.106192] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 <4>[ 73.111496] direct_entry.cold+0x2c/0x38 () below zero # [ 69.234856] ------------[ cut here ]--------<4>[ 73.116217] full_proxy_write+0x56/0x80 ---- # [ 69.240351] refcount_t: decrement hit 0; leaking memo<4>[ 73.127058] vfs_write+0xea/0x3b0 ry. # [ 69.246675] WARNING: CPU: 2 PID: 2181 at lib/refcount.<4>[ 73.137312] ksys_write+0x68/0xf0 <4>[ 73.147570] do_syscall_64+0x33/0x40 <4>[ 73.151896] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 73.157878] RIP: 0033:0x7f7175bf1473 <4>[ 73.162202] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 73.183571] RSP: 002b:00007ffc870a9b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c:31 refcount_warn_saturate+0xfb/0x110 # [ 69.256454] Modules<4>[ 73.192410] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7175bf1473 <4>[ 73.206954] RDX: 0000000000000012 RSI: 00007f7175ae5000 RDI: 0000000000000001 <4>[ 73.215276] RBP: 00007f7175ae5000 R08: 00007f7175ae4010 R09: 0000000000000000 <4>[ 73.223591] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 73.231906] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 73.240232] irq event stamp: 0 <4>[ 73.243967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 73.251310] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 73.260796] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 73.270282] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 73.277620] ---[ end trace f420f41c7bc8ced8 ]--- <6>[ 73.283110] lkdtm: Zero detected: saturated linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 69.302863] CPU: 2 PID: 2181 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 69.311863] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.318819] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 69.324995] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 69.346379] RSP: 0018:ffffa900c29cfe48 EFLAGS: 00010286 # [ 69.358792] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 69.373349] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 # [ 69.387887] RBP: ffffffff8b01a3ab R08: 0000000000000000 R09: 0000000000000000 # [ 69.402430] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 69.416981] R13: ffffa900c29cff10 R14: ffffa900c29cff10 R15: ffff9981c2788000 # [ 69.431522] FS: 00007ff870ec6580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 69.447131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.460102] CR2: 00007ff870cd0000 CR3: 00000001063f8000 CR4: 00000000003506e0 # [ 69.474645] Call Trace: # [ 69.483933] ? __warn+0x80/0x110 # [ 69.494093] ? refcount_warn_saturate+0xfb/0x110 # [ 69.505792] ? report_bug+0x9e/0xc0 # [ 69.516249] ? handle_bug+0x41/0x90 # [ 69.526690] ? exc_invalid_op+0x14/0x70 # [ 69.537535] ? asm_exc_invalid_op+0x12/0x20 # [ 69.548768] ? refcount_warn_saturate+0xfb/0x110 # [ 69.560479] ? refcount_warn_saturate+0xfb/0x110 # [ 69.572196] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 69.583631] direct_entry.cold+0x2c/0x38 # [ 69.594562] full_proxy_write+0x56/0x80 # [ 69.600920] vfs_write+0xea/0x3b0 # [ 69.605149] ksys_write+0x68/0xf0 # [ 69.615414] do_syscall_64+0x33/0x40 # [ 69.625957] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 69.638152] RIP: 0033:0x7ff870ddc473 # [ 69.648697] Code: 8b 15 21 2a 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 # [ 69.676281] RSP: 002b:00007ffffaa73878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.691315] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff870ddc473 # [ 69.704204] RDX: 0000000000000016 RSI: 00007ff870cd0000 RDI: 0000000000000001 # [ 69.718752] RBP: 00007ff870cd0000 R08: 00007ff870ccf010 R09: 0000000000000000 # [ 69.727248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.741796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.756350] irq event stamp: 0 # [ 69.762692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.775195] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 69.790919] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 69.802532] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.809873] ---[ end trace f420f41c7bc8ced4 ]--- # [ 69.819642] 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 # [ 70.189313] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 70.199971] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 70.213679] --<6>[ 73.664388] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 73.675866] lkdtm: attempting bad refcount_inc() from saturated <4>[ 73.682828] ------------[ cut here ]------------ <4>[ 73.688325] refcount_t: saturated; leaking memory. <4>[ 73.694066] WARNING: CPU: 0 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ----------[ cut here ]------------ # [ 70.225379] refcount_t:<4>[ 73.703843] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 73.750278] CPU: 0 PID: 2355 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 73.759274] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 73.766233] RIP: 0010:refcount_warn_saturate+0x51/0x110 underflow; use-after-free. # [ 70.237336] WARNING: CPU: 3 PI<4>[ 73.772407] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 <4>[ 73.800024] RSP: 0018:ffffa900c2c97e48 EFLAGS: 00010286 <4>[ 73.806197] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 73.814520] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 73.822836] RBP: ffffffff8b01a3e5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 73.831149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 73.839464] R13: ffffa900c2c97f10 R14: ffffa900c2c97f10 R15: ffff9981c60fe000 <4>[ 73.847779] FS: 00007f03c6181580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 73.857161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 73.863916] CR2: 00007f03c5f8b000 CR3: 00000001065fc000 CR4: 00000000003506f0 <4>[ 73.872231] Call Trace: <4>[ 73.875305] ? __warn+0x80/0x110 <4>[ 73.879248] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.884745] ? report_bug+0x9e/0xc0 <4>[ 73.888973] ? handle_bug+0x41/0x90 D: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 73.893197] ? exc_invalid_op+0x14/0x70 <4>[ 73.904046] ? asm_exc_invalid_op+0x12/0x20 <4>[ 73.909061] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.914555] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.920048] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 73.925835] direct_entry.cold+0x2c/0x38 <4>[ 73.930559] full_proxy_write+0x56/0x80 <4>[ 73.935181] vfs_write+0xea/0x3b0 # [ 70.253355] Modules linked in: fuse ip_tables cros_ec_debug<4>[ 73.939219] ksys_write+0x68/0xf0 fs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cro<4>[ 73.949479] do_syscall_64+0x33/0x40 s_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memo<4>[ 73.960015] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ps videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf<4>[ 73.972210] RIP: 0033:0x7f03c6097473 2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_<4>[ 73.982752] Code: 8b 15 21 2a 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 hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chrom<4>[ 74.010350] RSP: 002b:00007ffd9f5cd098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 eos_pstore coreboot_table <4>[ 74.025395] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f03c6097473 # [ 70.299771] CPU: 3 PID: 2217 Comm: cat Tainted: G D W <4>[ 74.036324] RDX: 0000000000000017 RSI: 00007f03c5f8b000 RDI: 0000000000000001 5.10.209-cip44 #1<4>[ 74.050875] RBP: 00007f03c5f8b000 R08: 00007f03c5f8a010 R09: 0000000000000000 <4>[ 74.061627] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.314943] Hardware name: Google Coral/Coral, BIOS 09/29/<4>[ 74.070122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2020 # [ 70.328152] RIP: 0010:refcount_warn_saturate+0xba/0x1<4>[ 74.084677] irq event stamp: 0 10 # [ 70.340530] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc c<4>[ 74.094635] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea<4>[ 74.108210] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 0<4>[ 74.123921] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 2 00 0f 85 5e ff ff ff 48 c7 # [ 70.368149] RSP: 0018:ffffa90<4>[ 74.139627] softirqs last disabled at (0): [<0000000000000000>] 0x0 0c2a5fe40 EFLAGS: 00010286 <4>[ 74.153194] ---[ end trace f420f41c7bc8ced9 ]--- # [ 70.380528] RAX: 0000000000000000 RBX: 0000000000000031 RCX<6>[ 74.161401] lkdtm: Saturation detected: still saturated : 0000000000000000 # [ 70.395075] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 # [ 70.409635] RBP: ffffffff8b01a000 R08: 0000000000000000 R09: 0000000000000000 # [ 70.424160] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 70.438726] R13: ffffa900c2a5ff10 R14: ffffa900c2a5ff10 R15: ffff9981c4d9c000 # [ 70.453258] FS: 00007f77aa400580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 70.468898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.481923] CR2: 00007f77aa20a000 CR3: 00000001061c0000 CR4: 00000000003506e0 # [ 70.496741] Call Trace: # [ 70.505800] ? __warn+0x80/0x110 # [ 70.516088] ? refcount_warn_saturate+0xba/0x110 # [ 70.527644] ? report_bug+0x9e/0xc0 # [ 70.538222] ? handle_bug+0x41/0x90 # [ 70.548661] ? exc_invalid_op+0x14/0x70 # [ 70.559387] ? asm_exc_invalid_op+0x12/0x20 # [ 70.570714] ? refcount_warn_saturate+0xba/0x110 # [ 70.582335] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.595202] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 70.607963] direct_entry.cold+0x2c/0x38 # [ 70.618885] full_proxy_write+0x56/0x80 # [ 70.629635] vfs_write+0xea/0x3b0 # [ 70.639938] ksys_write+0x68/0xf0 # [ 70.650138] do_syscall_64+0x33/0x40 # [ 70.660713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 70.672881] RIP: 0033:0x7f77aa316473 # [ 70.683453] Code: 8b 15 21 2a 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 # [ 70.711015] RSP: 002b:00007ffda0bc0788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.726157] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f77aa316473 # [ 70.740699] RDX: 000000000000001f RSI: 00007f77aa20a000 RDI: 0000000000000001 # [ 70.755284] RBP: 00007f77aa20a000 R08: 00007f77aa209010 R09: 0000000000000000 # [ 70.769683] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.784371] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.798814] irq event stamp: 0 # [ 70.808785] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.822353] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.838089] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.853732] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.867294] ---[ end trace f420f41c7bc8ced5 ]--- # [ 70.879091] 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 # [ 71.245481] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 71.254141] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 71.261598] ------------[ cut here ]------------ # [ 71.273314] refcount_t: underflow; use-after-free. # [ 71.279056] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 71.295015] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 71.341549] CPU: 0 PID: 2253 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 71.350578] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.357546] RIP: 001<6>[ 74.540221] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 74.548900] lkdtm: attempting bad refcount_dec() from saturated <4>[ 74.555863] ------------[ cut here ]------------ <4>[ 74.561354] refcount_t: decrement hit 0; leaking memory. <4>[ 74.567676] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0:refcount_warn_saturate+0xba/0x110 # [ 71.363720] Code: 02 0<4>[ 74.577454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 74.623931] CPU: 2 PID: 2391 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 74.632931] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 74.639887] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 74.646063] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 74.667437] RSP: 0018:ffffa900c2d0fe48 EFLAGS: 00010286 <4>[ 74.673613] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 74.681929] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 <4>[ 74.690250] RBP: ffffffff8b01a3fc R08: 0000000000000000 R09: 0000000000000000 <4>[ 74.698565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 74.706879] R13: ffffa900c2d0ff10 R14: ffffa900c2d0ff10 R15: ffff9981c30ee000 <4>[ 74.715197] FS: 00007fd7b6aa2580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 74.724586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 74.731344] CR2: 00007fd7b68ac000 CR3: 0000000106058000 CR4: 00000000003506e0 <4>[ 74.739661] Call Trace: <4>[ 74.742728] ? __warn+0x80/0x110 <4>[ 74.746664] ? refcount_warn_saturate+0xfb/0x110 <4>[ 74.752162] ? report_bug+0x9e/0xc0 1 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85<4>[ 74.756395] ? handle_bug+0x41/0x90 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0<4>[ 74.766837] ? exc_invalid_op+0x14/0x70 b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 #<4>[ 74.777667] ? asm_exc_invalid_op+0x12/0x20 [ 71.385102] RSP: 0018:ffffa900c2af7e40 EFLAGS: 00010286 # [<4>[ 74.788898] ? refcount_warn_saturate+0xfb/0x110 71.391286] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0<4>[ 74.800607] ? refcount_warn_saturate+0xfb/0x110 000000000000000 # [ 71.399604] RDX: ffff99823bc2c620 RSI: fff<4>[ 74.812319] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f f99823bc1bf50 RDI: ffff99823bc1bf50 # [ 71.407921] RBP: fffff<4>[ 74.824331] direct_entry.cold+0x2c/0x38 fff8b01a020 R08: 0000000000000000 R09: 0000000000000000 # [ 7<4>[ 74.835261] full_proxy_write+0x56/0x80 1.416238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000<4>[ 74.846103] vfs_write+0xea/0x3b0 0000000001f # [ 71.424555] R13: ffffa900c2af7f10 R14: ffffa90<4>[ 74.856361] ksys_write+0x68/0xf0 0c2af7f10 R15: ffff9981c5343000 # [ 71.432876] FS: 00007ff01<4>[ 74.866618] do_syscall_64+0x33/0x40 46f9580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 74.877165] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 71.442263] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[ 74.889376] RIP: 0033:0x7fd7b69b8473 33 # [ 71.449024] CR2: 00007ff014503000 CR3: 000000010376c000<4>[ 74.899918] Code: 8b 15 21 2a 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 CR4: 00000000003506f0 <6>[ 74.914849] PDLOG 2024/02/29 08:35:53.900 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA <4>[ 74.927593] RSP: 002b:00007ffd5c810a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.457344] Call Trace:<6>[ 74.941320] PDLOG 2024/02/29 08:35:53.900 P1 Disconnected <4>[ 74.949315] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd7b69b8473 <4>[ 74.949319] RDX: 0000000000000017 RSI: 00007fd7b68ac000 RDI: 0000000000000001 # [ 71.460412] ? __warn+0x80/0x110 # [ 71.470584] ? refco<4>[ 74.949322] RBP: 00007fd7b68ac000 R08: 00007fd7b68ab010 R09: 0000000000000000 unt_warn_saturate+0xba/0x110 # [ 71.476072] ? report_bug+0x9<4>[ 74.949326] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 e/0xc0 # [ 71.480303] ? handle_bug+0x41/0x90 # [ 71.48453<4>[ 74.949335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2] ? exc_invalid_op+0x14/0x70 # [ 71.489151] ? asm_exc_inva<6>[ 74.958948] PDLOG 2024/02/29 08:35:53.967 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA lid_op+0x12/0x20 # [ 71.494169] ? refcount_warn_saturate+0xb<4>[ 74.966719] irq event stamp: 0 a/0x110 # [ 71.499666] __refcount_sub_and_test.constprop.0+0<4>[ 74.966725] hardirqs last enabled at (0): [<0000000000000000>] 0x0 x3c/0x50 <4>[ 74.966739] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <6>[ 74.975705] PDLOG 2024/02/29 08:35:53.967 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA <4>[ 74.989732] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 71.506141] <4>[ 74.989736] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.989740] ---[ end trace f420f41c7bc8ceda ]--- <6>[ 74.989748] lkdtm: Saturation detected: still saturated <6>[ 75.004758] PDLOG 2024/02/29 08:35:54.114 P1 SNK Charger ??? 5194mV max 15000mV / 3000mA lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b<6>[ 75.120531] PDLOG 2024/02/29 08:35:54.218 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA # [ 71.512705] direct_entry.cold+0x2c/0x38 # [ 71.517417<6>[ 75.135848] PDLOG 2024/02/29 08:35:54.230 P1 SNK Charger ??? 1432mV max 5000mV / 3000mA ] full_proxy_write+0x56/0x80 # [ 71.528279] vfs_write+0xea/<6>[ 75.151311] PDLOG 2024/02/29 08:35:55.208 P1 SNK Charger ??? 5194mV max 15000mV / 3000mA 0x3b0 # [ 71.532308] ksys_write+0x68/0xf0 # [ 71.536348] <6>[ 75.166888] PDLOG 2024/02/29 08:35:57.090 P1 SNK Charger ??? 15074mV max 15000mV / 3000mA do_syscall_64+0x33/0x40 # [ 71.540689] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 71.552876] RIP: 0033:0x7ff01460f473 # [ 71.563413] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.591032] RSP: 002b:00007ffcc2bc1a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.599843] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff01460f473 # [ 71.608162] RDX: 000000000000001f RSI: 00007ff014503000 RDI: 0000000000000001 # [ 71.616480] RBP: 00007ff014503000 R08: 00007ff014502010 R09: 0000000000000000 # [ 71.624800] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.633117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.641443] irq event stamp: 0 # [ 71.645182] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.652530] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 71.662022] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 71.671513] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.678856] ---[ end trace f420f41c7bc8ced6 ]--- # [ 71.684339] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 72.048391] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 72.058285] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 72.065734] lkdtm: Good: zero detected # [ 72.070274] lkdtm: Correctly stayed at zero # [ 72.075282] lkdtm: attempting bad refcount_inc() from zero # [ 72.081752] ------------[ cut here ]------------ # [ 72.087239] refcount_t: addition on 0; use-after-free. # [ 72.093368] WARNING: CPU: 0 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 72.109383] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 72.155803] CPU: 0 PID: 2286 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 72.164803] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.171758] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 72.177943] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 8a c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 # [ 72.199323] RSP: 0018:ffffa900c2b87e48 EFLAGS: 00010286 # [ 72.205499] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 72.213813] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 # [ 72.222129] RBP: ffffffff8b01a3c1 R08: 0000000000000000 R09: 0000000000000000 # [ 72.230442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 72.238754] R13: ffffa900c2b87f10 R14: ffffa900c2b87f10 R15: ffff9981c2788000 # [ 72.247075] FS: 00<6>[ 75.510484] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 75.519708] lkdtm: attempting bad refcount_dec() from saturated <4>[ 75.526689] ------------[ cut here ]------------ <4>[ 75.532175] refcount_t: saturated; leaking memory. <4>[ 75.537909] WARNING: CPU: 2 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 007fb089df1580(0000) GS:ffff99823bc00000(0000) knlGS:00000000000<4>[ 75.547667] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 75.594116] CPU: 2 PID: 2427 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 75.603110] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 75.610063] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 75.616230] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 <4>[ 75.637607] RSP: 0018:ffffa900c2d87e48 EFLAGS: 00010286 <4>[ 75.643770] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 75.652081] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 <4>[ 75.660398] RBP: ffffffff8b01a413 R08: 0000000000000000 R09: 0000000000000000 <4>[ 75.668715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 75.677026] R13: ffffa900c2d87f10 R14: ffffa900c2d87f10 R15: ffff9981c26d0000 <4>[ 75.685346] FS: 00007f977535c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 <4>[ 75.694736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 75.701499] CR2: 00007f9775166000 CR3: 0000000103760000 CR4: 00000000003506e0 <4>[ 75.709816] Call Trace: <4>[ 75.712884] ? __warn+0x80/0x110 <4>[ 75.716819] ? refcount_warn_saturate+0x51/0x110 <4>[ 75.722315] ? report_bug+0x9e/0xc0 <4>[ 75.726549] ? handle_bug+0x41/0x90 <4>[ 75.730773] ? exc_invalid_op+0x14/0x70 00000 # [ 72.256463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000<4>[ 75.735384] ? asm_exc_invalid_op+0x12/0x20 <4>[ 75.746600] ? refcount_warn_saturate+0x51/0x110 <4>[ 75.752088] ? refcount_warn_saturate+0x51/0x110 <4>[ 75.757586] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 75.763368] direct_entry.cold+0x2c/0x38 <4>[ 75.768085] full_proxy_write+0x56/0x80 <4>[ 75.772704] vfs_write+0xea/0x3b0 <4>[ 75.776739] ksys_write+0x68/0xf0 <4>[ 75.780776] do_syscall_64+0x33/0x40 080050033 # [ 72.263227] CR2: 00007fb089bfb000 CR3: 000000010<4>[ 75.785098] entry_SYSCALL_64_after_hwframe+0x62/0xc7 30e4000 CR4: 00000000003506f0 # [ 72.271539] Call Trace: # [<4>[ 75.797286] RIP: 0033:0x7f9775272473 72.274603] ? __warn+0x80/0x110 # [ 72.278539] ? refcount<4>[ 75.807806] Code: 8b 15 21 2a 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 _warn_saturate+0x74/0x110 # [ 72.284033] ? report_bug+0x9e/0<4>[ 75.835401] RSP: 002b:00007ffe8eb53978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 xc0 # [ 72.288263] ? handle_bug+0x41/0x90 # [ 72.292490] <4>[ 75.850428] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9775272473 ? exc_invalid_op+0x14/0x70 # [ 72.297107] ? asm_exc_invalid<4>[ 75.864944] RDX: 0000000000000017 RSI: 00007f9775166000 RDI: 0000000000000001 _op+0x12/0x20<4>[ 75.879468] RBP: 00007f9775166000 R08: 00007f9775165010 R09: 0000000000000000 # [ 72.302120] ? refcount_warn_saturate+0x74/0x110 # [ 7<4>[ 75.889030] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 2.307622] ? refcount_warn_saturate+0x74/0x110<4>[ 75.903568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 75.916356] irq event stamp: 0 # [ 72.313122] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 72.31<4>[ 75.920264] hardirqs last enabled at (0): [<0000000000000000>] 0x0 8417] direct_entry.cold+0x2c/0x38 # [ 72.323144] full_proxy<4>[ 75.933818] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 _write+0x56/0x80<4>[ 75.949507] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 75.960516] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.333970] vfs_write+0xea/0x3b0 # [ 72.344228] ksys_w<4>[ 75.968023] ---[ end trace f420f41c7bc8cedb ]--- rite+0x68/0xf0 # [ 72.354487] do_syscall_64+0x33/0x40 # [ <6>[ 75.979722] lkdtm: Saturation detected: still saturated 72.358805] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 72.364786] RIP: 0033:0x7fb089d07473 # [ 72.369110] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.390490] RSP: 002b:00007ffefd998408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.399342] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb089d07473 # [ 72.407684] RDX: 0000000000000012 RSI: 00007fb089bfb000 RDI: 0000000000000001 # [ 72.416006] RBP: 00007fb089bfb000 R08: 00007fb089bfa010 R09: 0000000000000000 # [ 72.424322] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.432637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.440964] irq event stamp: 0 # [ 72.444702] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.452048] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 72.461534] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 72.471024] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.478366] ---[ end trace f420f41c7bc8ced7 ]--- # [ 72.483856] 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 # [ 72.839079] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 72.851273] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 72.858729] lkdtm: Good: zero detected # [ 72.863244] lkdtm: Correctly stayed at zero # [ 72.868243] lkdtm: attempting bad refcount_add() from zero # [ 72.874705] ------------[ cut here ]------------ # [ 72.880192] refcount_t: addition on 0; use-after-free. # [ 72.886327] WARNING: CPU: 0 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 72.896101] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 72.942627] CPU: 0 PID: 2319 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 72.951629] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.958589] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 72.964768] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 8a c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 # [ 72.986141] RSP: 0018:ffffa900c2c0fe48 EFLAGS: 00010286 # [ 72.992319] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 73.000637] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 # [ 73.008960] RBP: ffffffff8b01a3d3 R08: 0000000000000000 R09: 0000000000000000 # [ 73.017283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 73.025597] R13: ffffa900c2c0ff10 R14: ffffa900c2c0ff10 R15: ffff9981c3417000 # [ 73.033908] FS: 00007f7175cdb580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 73.043299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.050063] CR2: 00007f7175ae5000 CR3: 00000001030ea000 CR4: 00000000003506f0 # [ 73.058379] Call Trace: # [ 73.067674] ? __warn+0x80/0x110 # [ 73.071617] ? refcount_warn_saturate<6>[ 76.343308] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 76.355642] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 76.363490] ------------[ cut here ]------------ <4>[ 76.368979] refcount_t: saturated; leaking memory. <4>[ 76.374716] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 +0x74/0x110 # [ 73.077113] ? report_bug+0x9e/0xc0 # [ 73.<4>[ 76.384494] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 76.431017] CPU: 0 PID: 2460 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 76.440016] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 76.446962] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 76.453135] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 <4>[ 76.474516] RSP: 0018:ffffa900c2dffe38 EFLAGS: 00010282 <4>[ 76.480691] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 76.489004] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 76.497325] RBP: ffffffff8b01a040 R08: 0000000000000000 R09: 0000000000000000 <4>[ 76.505644] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 76.513962] R13: ffffa900c2dfff10 R14: ffffa900c2dfff10 R15: ffff9981c300c000 <4>[ 76.522283] FS: 00007fe73b726580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 76.531664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 76.538421] CR2: 00007fe73b530000 CR3: 0000000105a9c000 CR4: 00000000003506f0 <4>[ 76.546730] Call Trace: <4>[ 76.549797] ? __warn+0x80/0x110 <4>[ 76.553742] ? refcount_warn_saturate+0x97/0x110 <4>[ 76.559242] ? report_bug+0x9e/0xc0 <4>[ 76.563477] ? handle_bug+0x41/0x90 <4>[ 76.567705] ? exc_invalid_op+0x14/0x70 <4>[ 76.572323] ? asm_exc_invalid_op+0x12/0x20 <4>[ 76.577340] ? refcount_warn_saturate+0x97/0x110 <4>[ 76.582835] ? refcount_warn_saturate+0x97/0x110 <4>[ 76.588327] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 76.594798] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 76.601468] direct_entry.cold+0x2c/0x38 <4>[ 76.606190] full_proxy_write+0x56/0x80 <4>[ 76.610811] vfs_write+0xea/0x3b0 <4>[ 76.614843] ksys_write+0x68/0xf0 081343] ? handle_bug+0x41/0x90 # [ 73.085567] ? exc_invalid<4>[ 76.618892] do_syscall_64+0x33/0x40 _op+0x14/0x70 # [ 73.090185] ? asm_exc_invalid_op+0x12/0x20 <4>[ 76.629436] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 73.095204] ? refcount_warn_saturate+0x74/0x110 # [ 73<4>[ 76.641625] RIP: 0033:0x7fe73b63c473 .100700] ? refcount_warn_saturate+0x74/0x110 # [ 73.106192] <4>[ 76.652168] Code: 8b 15 21 2a 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 lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 73.111496] direct_ent<4>[ 76.679776] RSP: 002b:00007ffdaa4ac858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 76.694818] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe73b63c473 <4>[ 76.703134] RDX: 0000000000000020 RSI: 00007fe73b530000 RDI: 0000000000000001 <4>[ 76.711448] RBP: 00007fe73b530000 R08: 00007fe73b52f010 R09: 0000000000000000 <4>[ 76.719763] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 76.728077] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 76.736410] irq event stamp: 0 <4>[ 76.740147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 76.747491] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 76.756978] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 76.766475] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 76.773816] ---[ end trace f420f41c7bc8cedc ]--- <6>[ 76.779311] lkdtm: Saturation detected: still saturated ry.cold+0x2c/0x38 # [ 73.116217] full_proxy_write+0x56/0x80 # [ 73.127058] vfs_write+0xea/0x3b0 # [ 73.137312] ksys_write+0x68/0xf0 # [ 73.147570] do_syscall_64+0x33/0x40 # [ 73.151896] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 73.157878] RIP: 0033:0x7f7175bf1473 # [ 73.162202] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.183571] RSP: 002b:00007ffc870a9b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.192410] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7175bf1473 # [ 73.206954] RDX: 0000000000000012 RSI: 00007f7175ae5000 RDI: 0000000000000001 # [ 73.215276] RBP: 00007f7175ae5000 R08: 00007f7175ae4010 R09: 0000000000000000 # [ 73.223591] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.231906] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.240232] irq event stamp: 0 # [ 73.243967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.251310] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 73.260796] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 73.270282] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.277620] ---[ end trace f420f41c7bc8ced8 ]--- # [ 73.283110] 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 # [ 73.664388] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 73.675866] lkdtm: attempting bad refcount_inc() from saturated # [ 73.682828] ------------[ cut here ]------------ # [ 73.688325] refcount_t: saturated; leaking memory. # [ 73.694066] WARNING: CPU: 0 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 73.703843] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 73.750278] CPU: 0 PID: 2355 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 73.759274] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.766233] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 73.772407] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 # [ 73.800024] RSP: 0018:ffffa900c2c97e48 EFLAGS: 00010286 # [ 73.806197] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 73.814520] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 # [ 73.822836] RBP: ffffffff8b01a3e5 R08: 0000000000000000 R09: 0000000000000000 # [ 73.831149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 73.839464] R13: ffffa900c2c97f10 R14: ffffa900c2c97f10 R15: ffff9981c60fe000 # [ 73.847779] FS: 00007f03c6181580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 73.857161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.863916] CR2: 00007f03c5f8b000 CR3: 00000001065fc000 CR4: 00000000003506f0 # [ 73.872231] Call Trace: # [ 73.875305] ? __warn+0x80/0x110 # [ 73.879248] ? refcount_warn_saturate+0x51/0x110 # [ 73.884745] ? report_bug+0x9e/0xc0 # [ 73.888973] ? handle_bug+0x41/0x90 # [ 73.893197] ? exc_invalid_op+0x14/0x70 # [ 73.904046] ? asm_exc_invalid_op+0x12/0x20 # [ 73.909061] ? refcount_<6>[ 77.164559] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 77.174061] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 77.181905] ------------[ cut here ]------------ warn_saturate+0x51/0x110 # [ 73.914555] ? refcount_warn_satu<4>[ 77.187410] refcount_t: saturated; leaking memory. rate+0x51/0x110 # [ 73.920048] lkdtm_REFCOUNT_INC_SATURATED+<4>[ 77.199396] WARNING: CPU: 0 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0x3c/0x64 # [ 73.925835] direct_entry.cold+0x2c/0x38 # [ <4>[ 77.215400] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 77.261854] CPU: 0 PID: 2493 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 77.270858] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 77.277815] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 77.283998] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 73.930559] full_proxy_write+0x56/0x80 # [ 73.935181] vfs_wr<4>[ 77.305373] RSP: 0018:ffffa900c2e67e38 EFLAGS: 00010282 <4>[ 77.317790] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 77.326116] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 <4>[ 77.334438] RBP: ffffffff8b01a060 R08: 0000000000000000 R09: 0000000000000000 <4>[ 77.342758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 77.351073] R13: ffffa900c2e67f10 R14: ffffa900c2e67f10 R15: ffff9981c591e000 ite+0xea/0x3b0 # [ 73.939219] ksys_write+0x68/0xf0 # [ 73<4>[ 77.359382] FS: 00007f10cf703580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 <4>[ 77.374999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 77.381759] CR2: 00007f10cf50d000 CR3: 00000001061d8000 CR4: 00000000003506f0 <4>[ 77.390074] Call Trace: <4>[ 77.393145] ? __warn+0x80/0x110 <4>[ 77.397084] ? refcount_warn_saturate+0x97/0x110 <4>[ 77.402583] ? report_bug+0x9e/0xc0 <4>[ 77.406817] ? handle_bug+0x41/0x90 <4>[ 77.411044] ? exc_invalid_op+0x14/0x70 <4>[ 77.415669] ? asm_exc_invalid_op+0x12/0x20 <4>[ 77.420679] ? refcount_warn_saturate+0x97/0x110 <4>[ 77.426175] ? refcount_warn_saturate+0x97/0x110 <4>[ 77.431669] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 77.438147] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 .949479] do_syscall_64+0x33/0x40 # [ 73.960015] entry_SYSCA<4>[ 77.444819] direct_entry.cold+0x2c/0x38 LL_64_after_hwframe+0x62/0xc7 # [ 73.972210] RIP: 0033:0x7f03<4>[ 77.455741] full_proxy_write+0x56/0x80 c6097473 # [ 73.982752] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 0<4>[ 77.466587] vfs_write+0xea/0x3b0 <4>[ 77.476842] ksys_write+0x68/0xf0 <4>[ 77.480884] do_syscall_64+0x33/0x40 <4>[ 77.485207] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 77.491187] RIP: 0033:0x7f10cf619473 <4>[ 77.495511] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 77.516930] RSP: 002b:00007ffe9a9a7088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 77.525780] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f10cf619473 <4>[ 77.534101] RDX: 0000000000000020 RSI: 00007f10cf50d000 RDI: 0000000000000001 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85<4>[ 77.542409] RBP: 00007f10cf50d000 R08: 00007f10cf50c010 R09: 0000000000000000 <4>[ 77.556966] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 77.565285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 77.573613] irq event stamp: 0 <4>[ 77.577342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 77.584687] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 77.594178] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 77.603667] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 77.611007] ---[ end trace f420f41c7bc8cedd ]--- <6>[ 77.616497] lkdtm: Saturation detected: still saturated c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.010350] RSP: 002b:00007ffd9f5cd098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.025395] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f03c6097473 # [ 74.036324] RDX: 0000000000000017 RSI: 00007f03c5f8b000 RDI: 0000000000000001 # [ 74.050875] RBP: 00007f03c5f8b000 R08: 00007f03c5f8a010 R09: 0000000000000000 # [ 74.061627] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.070122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.084677] irq event stamp: 0 # [ 74.094635] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.108210] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 74.123921] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 74.139627] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.153194] ---[ end trace f420f41c7bc8ced9 ]--- # [ 74.161401] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 74.540221] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 74.548900] lkdtm: attempting bad refcount_dec() from saturated # [ 74.555863] ------------[ cut here ]------------ # [ 74.561354] refcount_t: decrement hit 0; leaking memory. # [ 74.567676] WARNING: CPU: 2 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 74.577454] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 74.623931] CPU: 2 PID: 2391 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 74.632931] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.639887] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 74.646063] Code: a8 4e f7 8a c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e f7 8a c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 74.667437] RSP: 0018:ffffa900c2d0fe48 EFLAGS: 00010286 # [ 74.673613] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 74.681929] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 # [ 74.690250] RBP: ffffffff8b01a3fc R08: 0000000000000000 R09: 0000000000000000 # [ 74.698565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 74.706879] R13: ffffa900c2d0ff10 R14: ffffa900c2d0ff10 R15: ffff9981c30ee000 # [ 74.715197] FS: 00007fd7b6aa2580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 74.724586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.731344] CR2: 00007fd7b68ac000 CR3: 0000000106058000 CR4: 00000000003506e0 # [ 74.739661] Call Trace: # [ 74.742728] ? __warn+0x80/0x110 # [ 74.746664] ? refcount_warn_saturate+0xfb/0x110 # [ 74.752162] ? report_bug+0x9e/0xc0 # [ 74.756395] ? handle_bug+0x41/0x90 # [ 74.766837] ? exc_invalid_op+0x14/0x70 # [ 74.777667] ? asm_exc_invalid_op+0x12/0x20 # [ 74.788898] ? refcount_warn_saturate+0xfb/0x110 # [ 74.800607] ? refcount_warn_saturate+0xfb/0x110 # [ 74.812319] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 74.824331] direct_entry.cold+0x2c/0x38 # [ 74.835261] full_proxy_write+0x56/0x<6>[ 77.986103] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 80 # [ 74.846103] vfs_write+0xea/0x3b0 # [ 74.856361] ks<6>[ 77.998834] lkdtm: attempting bad refcount_dec_and_test() from saturated ys_write+0x68/0xf0 # [ 74.866618] do_syscall_64+0x33/0x40 #<4>[ 78.012916] ------------[ cut here ]------------ [ 74.877165] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ <4>[ 78.024626] refcount_t: underflow; use-after-free. 74.889376] RIP: 0033:0x7fd7b69b8473 # [ 74.899918] Code: 8b <4>[ 78.036582] WARNING: CPU: 3 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0<4>[ 78.052601] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> <4>[ 78.099012] CPU: 3 PID: 2529 Comm: cat Tainted: G D W 5.10.209-cip44 #1 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 78.114181] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.914849] PDLOG 2024/02/29 08:35:53.900 P0 SNK (not charg<4>[ 78.127386] RIP: 0010:refcount_warn_saturate+0xba/0x110 ing) Charger ??? 5000mV max 5000mV / 500mA # [ 74.927593] RSP<4>[ 78.139767] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 : 002b:00007ffd5c810a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000<4>[ 78.167401] RSP: 0018:ffffa900c2ef7e40 EFLAGS: 00010286 001 # [ 74.941320] PDLOG 2024/02/29 08:35:53.900 P1 Disconnec<4>[ 78.179771] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 ted # [ 74.949315] RAX: ffffffffffffffda RBX: 000000000000001<4>[ 78.194339] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 7 RCX: 00007fd7b69b8473 # [ 74.949319] RDX: 0000000000000017 <4>[ 78.208858] RBP: ffffffff8b01a080 R08: 0000000000000000 R09: 0000000000000000 RSI: 00007fd7b68ac000 RDI: 0000000000000001 # [ 74.949322] RB<4>[ 78.223423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 P: 00007fd7b68ac000 R08: 00007fd7b68ab010 R09: 0000000000000000 <4>[ 78.237942] R13: ffffa900c2ef7f10 R14: ffffa900c2ef7f10 R15: ffff9981c609b000 # [ 74.949326] R10: fffffffffffffbc5 R11: 0000000000000246 R1<4>[ 78.252487] FS: 00007f4f1107c580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 2: 0000000000000001 # [ 74.949335] R13: 0000000000000001 R14:<4>[ 78.268105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000000020000 R15: 0000000000020000 # [ 74.958948] PDLOG <4>[ 78.281108] CR2: 00007f4f10e86000 CR3: 0000000105baa000 CR4: 00000000003506e0 2024/02/29 08:35:53.967 P0 SNK (not charging) Charger ??? 5000mV<4>[ 78.295907] Call Trace: max 5000mV / 1500mA # [ 74.966719] irq event stamp: 0 # [ <4>[ 78.304985] ? __warn+0x80/0x110 74.966725] hardirqs last enabled at (0): [<0000000000000000>] <4>[ 78.315254] ? refcount_warn_saturate+0xba/0x110 0x0 # [ 74.966739] hardirqs last disabled at (0): [[ 78.326945] ? report_bug+0x9e/0xc0 8cfd6dc>] copy_process+0x65c/0x20e0 # [ 74.975705] PDLOG 2024<4>[ 78.337389] ? handle_bug+0x41/0x90 /02/29 08:35:53.967 P1 SNK (not charging) Charger ??? 5000mV max<4>[ 78.347696] ? exc_invalid_op+0x14/0x70 5000mV / 3000mA # [ 74.989732] softirqs last enabled at (0)<4>[ 78.358639] ? asm_exc_invalid_op+0x12/0x20 : [] copy_process+0x65c/0x20e0 # [ 74.98973<4>[ 78.369795] ? refcount_warn_saturate+0xba/0x110 6] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 78.381533] __refcount_sub_and_test.constprop.0+0x3c/0x50 74.989740] ---[ end trace f420f41c7bc8ceda ]--- # [ 74.9897<4>[ 78.394195] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 48] lkdtm: Saturation detected: still saturated # [ 75.004758<4>[ 78.407094] direct_entry.cold+0x2c/0x38 ] PDLOG 2024/02/29 08:35:54.114 P1 SNK Charger ??? 5194mV max 15<4>[ 78.417995] full_proxy_write+0x56/0x80 000mV / 3000mA # [ 75.120531] PDLOG 2024/02/29 08:35:54.218 P<4>[ 78.428989] vfs_write+0xea/0x3b0 0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA # [<4>[ 78.439162] ksys_write+0x68/0xf0 75.135848] PDLOG 2024/02/29 08:35:54.230 P1 SNK Charger ??? 1<4>[ 78.449427] do_syscall_64+0x33/0x40 432mV max 5000mV / 3000mA # [ 75.151311] PDLOG 2024/02/29 08:<4>[ 78.459913] entry_SYSCALL_64_after_hwframe+0x62/0xc7 35:55.208 P1 SNK Charger ??? 5194mV max 15000mV / 3000mA # [ <4>[ 78.472147] RIP: 0033:0x7f4f10f92473 75.166888] PDLOG 2024/02/29 08:35:57.090 P1 SNK Charger ??? 1507<4>[ 78.482635] Code: 8b 15 21 2a 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 4mV max 15000mV / 3000mA # REFCOUNT_DEC_SATURATED: saw 'Saturat<4>[ 78.510367] RSP: 002b:00007ffc21ea4be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ion detected: still saturated': ok ok 53 selftests: lkdtm: REFC<4>[ 78.525381] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4f10f92473 OUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATE<4>[ 78.539930] RDX: 0000000000000020 RSI: 00007f4f10e86000 RDI: 0000000000000001 D.sh # [ 75.510484] lkdtm: Performing direct entry REFCOUNT_A<4>[ 78.554479] RBP: 00007f4f10e86000 R08: 00007f4f10e85010 R09: 0000000000000000 DD_SATURATED # [ 75.519708] lkdtm: attempting bad refcount_de<4>[ 78.569027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 c() from saturated # [ 75.526689] ------------[ cut here ]---<4>[ 78.583554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 --------- # [ 75.532175] refcount_t: saturated; leaking memor<4>[ 78.598087] irq event stamp: 0 y. # [ 75.537909] WARNING: CPU: 2 PID: 2427 at lib/refcount.c<4>[ 78.607967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 :22 refcount_warn_saturate+0x51/0x110 # [ 75.547667] Modules <4>[ 78.621680] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_e<4>[ 78.637290] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 c_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_<4>[ 78.653020] softirqs last disabled at (0): [<0000000000000000>] 0x0 logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x8<4>[ 78.666476] ---[ end trace f420f41c7bc8cede ]--- 6_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 s<6>[ 78.678228] lkdtm: Saturation detected: still saturated nd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 75.594116] CPU: 2 PID: 2427 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 75.603110] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.610063] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 75.616230] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d f7 8a c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e f7 # [ 75.637607] RSP: 0018:ffffa900c2d87e48 EFLAGS: 00010286 # [ 75.643770] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 75.652081] RDX: ffff99823bd2c620 RSI: ffff99823bd1bf50 RDI: ffff99823bd1bf50 # [ 75.660398] RBP: ffffffff8b01a413 R08: 0000000000000000 R09: 0000000000000000 # [ 75.668715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 75.677026] R13: ffffa900c2d87f10 R14: ffffa900c2d87f10 R15: ffff9981c26d0000 # [ 75.685346] FS: 00007f977535c580(0000) GS:ffff99823bd00000(0000) knlGS:0000000000000000 # [ 75.694736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.701499] CR2: 00007f9775166000 CR3: 0000000103760000 CR4: 00000000003506e0 # [ 75.709816] Call Trace: # [ 75.712884] ? __warn+0x80/0x110 # [ 75.716819] ? refcount_warn_saturate+0x51/0x110 # [ 75.722315] ? report_bug+0x9e/0xc0 # [ 75.726549] ? handle_bug+0x41/0x90 # [ 75.730773] ? exc_invalid_op+0x14/0x70 # [ 75.735384] ? asm_exc_invalid_op+0x12/0x20 # [ 75.746600] ? refcount_warn_saturate+0x51/0x110 # [ 75.752088] ? refcount_warn_saturate+0x51/0x110 # [ 75.757586] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 75.763368] direct_entry.cold+0x2c/0x38 # [ 75.768085] full_proxy_write+0x56/0x80 # [ 75.772704] vfs_write+0xea/0x3b0 # [ 75.776739] ksys_write+0x68/0xf0 # [ 75.780776] do_syscall_64+0x33/0x40 # [ 75.785098] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 75.797286] RIP: 0033:0x7f9775272473 # [ 75.807806] Code: 8b 15 21 2a 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 # [ 75.835401] RSP: 002b:00007ffe8eb53978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.850428] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9775272473 # [ 75.864944] RDX: 0000000000000017 RSI: 00007f9775166000 RDI: 0000000000000001 # [ 75.879468] RBP: 00007f9775166000 R08: 00007f9775165010 R09: 0000000000000000 # [ 75.889030] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.903568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.916356] irq event stamp: 0 # [ 75.920264] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.933818] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 75.949507] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 75.960516] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.968023] ---[ end trace f420f41c7bc8cedb ]--- # [ 75.979722] 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 # [ 76.343308] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 76.355642] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 76.363490] ------------[ cut here ]------------ # [ 76.368979] refcount_t: saturated; leaking memory. # [ 76.37<6>[ 79.056368] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 79.066764] lkdtm: attempting bad refcount_sub_and_test() from saturated 4716] WARNING: CPU: 0 PID: 2460 at lib/refcount.c:19 refcount_wa<4>[ 79.074615] ------------[ cut here ]------------ rn_saturate+0x97/0x110 # [ 76.384494] Modules linked in: fuse<4>[ 79.086345] refcount_t: underflow; use-after-free. ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvide<4>[ 79.098329] WARNING: CPU: 1 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 o cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf<4>[ 79.114316] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_ther<4>[ 79.160717] CPU: 1 PID: 2565 Comm: cat Tainted: G D W 5.10.209-cip44 #1 mal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357<4>[ 79.175910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dm<4>[ 79.189096] RIP: 0010:refcount_warn_saturate+0xba/0x110 aengine regmap_i2c chromeos_pstore coreboot_table # [ 76.4310<4>[ 79.201473] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 17] CPU: 0 PID: 2460 Comm: cat Tainted: G D W 5.10.<4>[ 79.229035] RSP: 0018:ffffa900c2f5fe40 EFLAGS: 00010286 209-cip44 #1 # [ 76.440016] Hardware name: Google Coral/Coral<4>[ 79.241417] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 , BIOS 09/29/2020 # [ 76.446962] RIP: 0010:refcount_warn_sat<4>[ 79.255936] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 urate+0x97/0x110 # [ 76.453135] Code: 02 01 e8 66 2d c4 00 0f<4>[ 79.270459] RBP: ffffffff8b01a0a0 R08: 0000000000000000 R09: 0000000000000000 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 <4>[ 79.284984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80<4>[ 79.299506] R13: ffffa900c2f5ff10 R14: ffffa900c2f5ff10 R15: ffff9981c3bce000 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 # [ 76.474516] RSP<4>[ 79.314025] FS: 00007fae0b5db580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 : 0018:ffffa900c2dffe38 EFLAGS: 00010282 # [ 76.480691] RAX: <4>[ 79.329642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # <4>[ 79.342615] CR2: 00007fae0b3e5000 CR3: 000000010487e000 CR4: 00000000003506e0 [ 76.489004] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: <4>[ 79.357155] Call Trace: ffff99823bc1bf50 # [ 76.497325] RBP: ffffffff8b01a040 R08: 00<4>[ 79.366448] ? __warn+0x80/0x110 00000000000000 R09: 0000000000000000 # [ 76.505644] R10: 0000<4>[ 79.376589] ? refcount_warn_saturate+0xba/0x110 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ <4>[ 79.388305] ? report_bug+0x9e/0xc0 76.513962] R13: ffffa900c2dfff10 R14: ffffa900c2dfff10 R15: ffff<4>[ 79.398762] ? handle_bug+0x41/0x90 9981c300c000 # [ 76.522283] FS: 00007fe73b726580(0000) GS:ff<4>[ 79.409205] ? exc_invalid_op+0x14/0x70 ff99823bc00000(0000) knlGS:0000000000000000 # [ 76.531664] CS<4>[ 79.420048] ? asm_exc_invalid_op+0x12/0x20 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.538421<4>[ 79.431261] ? refcount_warn_saturate+0xba/0x110 ] CR2: 00007fe73b530000 CR3: 0000000105a9c000 CR4: 0000000000350<4>[ 79.442952] __refcount_sub_and_test.constprop.0+0x3c/0x50 6f0 # [ 76.546730] Call Trace: # [ 76.549797] ? __warn+0x<4>[ 79.455633] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 80/0x110 # [ 76.553742] ? refcount_warn_saturate+0x97/0x110 <4>[ 79.468531] direct_entry.cold+0x2c/0x38 # [ 76.559242] ? report_bug+0x9e/0xc0 # [ 76.563477] ? h<4>[ 79.479461] full_proxy_write+0x56/0x80 andle_bug+0x41/0x90 # [ 76.567705] ? exc_invalid_op+0x14/0x7<4>[ 79.490298] vfs_write+0xea/0x3b0 0 # [ 76.572323] ? asm_exc_invalid_op+0x12/0x20 # [ 76.57<4>[ 79.500542] ksys_write+0x68/0xf0 7340] ? refcount_warn_saturate+0x97/0x110 # [ 76.582835] ? <4>[ 79.510787] do_syscall_64+0x33/0x40 refcount_warn_saturate+0x97/0x110 # [ 76.588327] __refcount_<4>[ 79.521326] entry_SYSCALL_64_after_hwframe+0x62/0xc7 add_not_zero.constprop.0+0x2a/0x35 # [ 76.594798] lkdtm_REFC<4>[ 79.533526] RIP: 0033:0x7fae0b4f1473 OUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 76.601468] direct_<4>[ 79.544062] Code: 8b 15 21 2a 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 entry.cold+0x2c/0x38 # [ 76.606190] full_proxy_write+0x56/0x<4>[ 79.571661] RSP: 002b:00007fff0cdca208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 80 # [ 76.610811] vfs_write+0xea/0x3b0 # [ 76.614843] ks<4>[ 79.586681] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fae0b4f1473 ys_write+0x68/0xf0 # [ 76.618892] do_syscall_64+0x33/0x40 #<4>[ 79.601225] RDX: 0000000000000020 RSI: 00007fae0b3e5000 RDI: 0000000000000001 [ 76.629436] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ <4>[ 79.615754] RBP: 00007fae0b3e5000 R08: 00007fae0b3e4010 R09: 0000000000000000 76.641625] RIP: 0033:0x7fe73b63c473 # [ 76.652168] Code: 8b <4>[ 79.630301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0<4>[ 79.644843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> <4>[ 79.659393] irq event stamp: 0 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 79.669349] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.679776] RSP: 002b:00007ffdaa4ac858 EFLAGS: 00000246 ORI<4>[ 79.682905] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 G_RAX: 0000000000000001 # [ 76.694818] RAX: ffffffffffffffda <4>[ 79.698606] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 RBX: 0000000000000020 RCX: 00007fe73b63c473 # [ 76.703134] RD<4>[ 79.714324] softirqs last disabled at (0): [<0000000000000000>] 0x0 X: 0000000000000020 RSI: 00007fe73b530000 RDI: 0000000000000001 <4>[ 79.727898] ---[ end trace f420f41c7bc8cedf ]--- # [ 76.711448] RBP: 00007fe73b530000 R08: 00007fe73b52f010 R0<6>[ 79.739612] lkdtm: Saturation detected: still saturated 9: 0000000000000000 # [ 76.719763] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.728077] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 76.736410] irq event stamp: 0 # [ 76.740147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.747491] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 76.756978] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 76.766475] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.773816] ---[ end trace f420f41c7bc8cedc ]--- # [ 76.779311] 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 # [ 77.164559] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 77.174061] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 77.181905] ------------[ cut here ]------------ # [ 77.187410] refcount_t: saturated; leaking memory. # [ 77.199396] WARNING: CPU: 0 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 77.215400] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 77.261854] CPU: 0 PID: 2493 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 77.270858] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.277815] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 77.283998] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d f7 8a c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 # [ 77.305373] RSP: 0018:ffffa900c2e67e38 EFLAGS: 00010282 # [ 77.317790] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 77.326116] RDX: ffff99823bc2c620 RSI: ffff99823bc1bf50 RDI: ffff99823bc1bf50 # [ 77.334438] RBP: ffffffff8b01a060 R08: 0000000000000000 R09: 0000000000000000 # [ 77.342758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 77.351073] R13: ffffa900c2e67f10 R14: ffffa900c2e67f10 R15: ffff9981c591e000 # [ 77.359382] FS: 00007f10cf703580(0000) GS:ffff99823bc00000(0000) knlGS:0000000000000000 # [ 77.374999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.381759] CR2: 00007f10cf50d000 CR3: 00000001061d8000 CR4: 00000000003506f0 # [ 77.390074] Call Trace: # [ 77.393145] ? __warn+0x80/0x110 # [ 77.397084] ? refcount_warn_saturate+0x97/0x110 # [ 77.402583] ? report_bug+0x9e/0xc0 # [ 77.406817] ? handle_bug+0x41/0x90 # [ 77.411044] ? exc_invalid_op+0x14/0x70 # [ 77.415669] ? asm_exc_invalid_op+0x12/0x20 # [ 77.420679] ? refcount_warn_saturate+0x97/0x110 # [ 77.426175] ? refcount_warn_saturate+0x97/0x110 # [ 77.431669] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 77.438147] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 77.444819] direct_entry.cold+0x2c/0x38 # [ 77.455741] full_proxy_write+0x56/0x80 # [ 77.466587] vfs_write+0xea/0x3b0 # [ 77.476842] ksys_write+0x68/0xf0 # [ 77.480884] do_syscall_64+0x33/0x40 # [ 77.485207] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 77.491187] RIP: 0033:0x7f10cf619473 # [ 77.495511] Code: 8b 15 21 2a 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 # [ 77.516930] RSP: 002b:00007ffe9a9a7088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.525780] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f10cf619473 # [ 77.534101] RDX: 0000000000000020 RSI: 00007f10cf50d000 RDI: 0000000000000001 # [ 77.542409] RBP: 00007f10cf50d000 R08: 00007f10cf50c010 R09: 0000000000000000 # [ 77.556966] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.565285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.573613] irq event stamp: 0 # [ 77.577342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.584687] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 77.594178] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 77.603667] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.611007] ---[ end trace f420f41c7bc8cedd ]--- # [ 77.616497] 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 # [ 77.986103] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 77.998834] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 78.012916] ------------[ cut here ]------------ # [ 78.024626] refcount_t: underflow; use-after-free. # [ 78.036582] WARNING: CPU: 3 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 78.052601] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 78.099012] CPU: 3 PID: 2529 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 78.114181] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.127386] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 78.139767] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85<6>[ 80.362588] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 5e ff ff ff 48 c7 # [ 78.167401] RSP: 0018:ffffa900c2ef7e40 <6>[ 80.370384] lkdtm: attempting good copy_to_user of correct size EFLAGS: 00010286 # [ 78.179771] RAX: 0000000000000000 RBX: 00<6>[ 80.383647] lkdtm: attempting bad copy_to_user of too large size 0000000000003a RCX: 0000000000000000 # [ 78.194339] RDX: ffff99823bdac620 RSI: ffff99823bd9bf50 RDI: ffff99823bd9bf50 # [ 78.208858] RBP: ffffffff8b01a080 R08: 0000000000000000 R09: 0000000000000000 # [ 78.223423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 78.237942] R13: ffffa900c2ef7f10 R14: ffffa900c2ef7f10 R15: ffff9981c609b000 # [ 78.252487] FS: 00007f4f1107c580(0000) GS:ffff99823bd80000(0000) knlGS:0000000000000000 # [ 78.268105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.281108] CR2: 00007f4f10e86000 CR3: 0000000105baa000 CR4: 00000000003506e0 # [ 78.295907] Call Trace: # [ 78.304985] ? __warn+0x80/0x110 # [ 78.315254] ? refcount_warn_saturate+0xba/0x110 # [ 78.326945] ? report_bug+0x9e/0xc0 # [ 78.337389] ? handle_bug+0x41/0x90 # [ 78.347696] ? exc_invalid_op+0x14/0x70 # [ 78.358639] ? asm_exc_invalid_op+0x12/0x20 # [ 78.369795] ? refcount_warn_saturate+0xba/0x110 # [ 78.381533] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 78.394195] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 78.407094] direct_entry.cold+0x2c/0x38 # [ 78.417995] full_proxy_write+0x56/0x80 # [ 78.428989] vfs_write+0xea/0x3b0 # [ 78.439162] ksys_write+0x68/0xf0 # [ 78.449427] do_syscall_64+0x33/0x40 # [ 78.459913] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 78.472147] RIP: 0033:0x7f4f10f92473 # [ 78.482635] Code: 8b 15 21 2a 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 # [ 78.510367] RSP: 002b:00007ffc21ea4be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.525381] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4f10f92473 # [ 78.539930] RDX: 0000000000000020 RSI: 00007f4f10e86000 RDI: 0000000000000001 # [ 78.554479] RBP: 00007f4f10e86000 R08: 00007f4f10e85010 R09: 0000000000000000 # [ 78.569027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.583554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 78.598087] irq event stamp: 0 # [ 78.607967] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.621680] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 78.637290] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 78.653020] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.666476] ---[ end trace f420f41c7bc8cede ]--- # [ 78.678228] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 79.056368] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 79.066764] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 79.074615] ------------[ cut here ]------------ # [ 79.086345] refcount_t: underflow; use-after-free. # [ 79.098329] WARNING: CPU: 1 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 79.114316] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_chardev cros_ec_sysfs uvcvideo cros_usbpd_charger cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmae<6>[ 80.744581] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 80.753585] lkdtm: attempting good copy_from_user of correct size ngine regmap_i2c chromeos_pstore coreboot_table # [ 79.160717<6>[ 80.760779] lkdtm: attempting bad copy_from_user of too large size ] CPU: 1 PID: 2565 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 79.175910] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.189096] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 79.201473] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e f7 8a c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 79.229035] RSP: 0018:ffffa900c2f5fe40 EFLAGS: 00010286 # [ 79.241417] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 79.255936] RDX: ffff99823bcac620 RSI: ffff99823bc9bf50 RDI: ffff99823bc9bf50 # [ 79.270459] RBP: ffffffff8b01a0a0 R08: 0000000000000000 R09: 0000000000000000 # [ 79.284984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 79.299506] R13: ffffa900c2f5ff10 R14: ffffa900c2f5ff10 R15: ffff9981c3bce000 # [ 79.314025] FS: 00007fae0b5db580(0000) GS:ffff99823bc80000(0000) knlGS:0000000000000000 # [ 79.329642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.342615] CR2: 00007fae0b3e5000 CR3: 000000010487e000 CR4: 00000000003506e0 # [ 79.357155] Call Trace: # [ 79.366448] ? __warn+0x80/0x110 # [ 79.376589] ? refcount_warn_saturate+0xba/0x110 # [ 79.388305] ? report_bug+0x9e/0xc0 # [ 79.398762] ? handle_bug+0x41/0x90 # [ 79.409205] ? exc_invalid_op+0x14/0x70 # [ 79.420048] ? asm_exc_invalid_op+0x12/0x20 # [ 79.431261] ? refcount_warn_saturate+0xba/0x110 # [ 79.442952] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 79.455633] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 79.468531] direct_entry.cold+0x2c/0x38 # [ 79.479461] full_proxy_write+0x56/0x80 # [ 79.490298] vfs_write+0xea/0x3b0 # [ 79.500542] ksys_write+0x68/0xf0 # [ 79.510787] do_syscall_64+0x33/0x40 # [ 79.521326] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 79.533526] RIP: 0033:0x7fae0b4f1473 # [ 79.544062] Code: 8b 15 21 2a 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 # [ 79.571661] RSP: 002b:00007fff0cdca208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.586681] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fae0b4f1473 # [ 79.601225] RDX: 0000000000000020 RSI: 00007fae0b3e5000 RDI: 0000000000000001 # [ 79.615754] RBP: 00007fae0b3e5000 R08: 00007fae0b3e4010 R09: 0000000000000000 # [ 79.630301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.644843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.659393] irq event stamp: 0 # [ 79.669349] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.682905] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 79.698606] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 79.714324] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.727898] ---[ end trace f420f41c7bc8cedf ]--- # [ 79.739612] 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 # [ 80.362588<6>[ 81.128979] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO ] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 80<6>[ 81.137406] lkdtm: attempting good copy_to_user inside whitelist .370384] lkdtm: attempting good copy_to_user of correct size # <6>[ 81.150756] lkdtm: attempting bad copy_to_user outside whitelist [ 80.383647] 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 # [ 80.744581] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 80.753585] lkdtm: attempting good copy_from_user of correct size # [ 80.760779] 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 # [ 81.128979] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 81.137406] lkdtm: attempting good copy_to_user inside whitelist # [ 81.150756] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 81.535514] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 81.543304] lkdtm: attempting good copy_from_user inside whitelist <6>[ 81.550584] lkdtm: attempting bad copy_from_user outside whitelist # [ 81.535514] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 81.543304] lkdtm: attempting good copy_from_user inside whitelist # [ 81.550584] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh <6>[ 81.914096] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 81.921423] lkdtm: good_stack: ffffa900c32ffe20-ffffa900c32ffe40 <6>[ 81.928490] lkdtm: bad_stack : ffffa900c32ffda8-ffffa900c32ffdc8 <6>[ 81.935892] lkdtm: attempting good copy_to_user of local stack <6>[ 81.943233] lkdtm: attempting bad copy_to_user of distant stack # [ 81.914096] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 81.921423] lkdtm: good_stack: ffffa900c32ffe20-ffffa900c32ffe40 # [ 81.928490] lkdtm: bad_stack : ffffa900c32ffda8-ffffa900c32ffdc8 # [ 81.935892] lkdtm: attempting good copy_to_user of local stack # [ 81.943233] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh <6>[ 82.325934] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 82.333451] lkdtm: good_stack: ffffa900c3377e20-ffffa900c3377e40 <6>[ 82.340513] lkdtm: bad_stack : ffffa900c3377da8-ffffa900c3377dc8 <6>[ 82.347604] lkdtm: attempting good copy_from_user of local stack <6>[ 82.354669] lkdtm: attempting bad copy_from_user of distant stack # [ 82.325934] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 82.333451] lkdtm: good_stack: ffffa900c3377e20-ffffa900c3377e40 # [ 82.340513] lkdtm: bad_stack : ffffa900c3377da8-ffffa900c3377dc8 # [ 82.347604] lkdtm: attempting good copy_from_user of local stack # [ 82.354669] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 82.738702] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 82.745774] lkdtm: good_stack: ffffa900c33ffe20-ffffa900c33ffe40 <6>[ 82.752840] lkdtm: bad_stack : ffffa900c33ffff8-ffffa900c3400018 <6>[ 82.759926] lkdtm: attempting good copy_to_user of local stack <6>[ 82.766820] lkdtm: attempting bad copy_to_user of distant stack <4>[ 82.773798] lkdtm: copy_to_user failed, but lacked Oops # [ 82.738702] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 82.745774] lkdtm: good_stack: ffffa900c33ffe20-ffffa900c33ffe40 # [ 82.752840] lkdtm: bad_stack : ffffa900c33ffff8-ffffa900c3400018 # [ 82.759926] lkdtm: attempting good copy_to_user of local stack # [ 82.766820] lkdtm: attempting bad copy_to_user of distant stack # [ 82.773798] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 83.149529] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 83.156062] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8ab944d0 <6>[ 83.165181] lkdtm: attempting bad copy_to_user from kernel text: ffffffff88ee2d80 <3>[ 83.174215] lkdtm: FAIL: survived bad copy_to_user() # [ 83.149529] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 83.156062] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8ab944d0 # [ 83.165181] lkdtm: attempting bad copy_to_user from kernel text: ffffffff88ee2d80 # [ 83.174215] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 83.561883] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 83.568565] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 83.576828] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 83.584966] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 83.592025] CPU: 2 PID: 2941 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 83.601001] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 83.607936] Call Trace: <4>[ 83.610994] dump_stack+0x77/0x9b <4>[ 83.615012] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 83.620492] direct_entry.cold+0x2c/0x38 <4>[ 83.625191] full_proxy_write+0x56/0x80 <4>[ 83.629790] vfs_write+0xea/0x3b0 <4>[ 83.633805] ksys_write+0x68/0xf0 <4>[ 83.637820] do_syscall_64+0x33/0x40 <4>[ 83.642124] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 83.648087] RIP: 0033:0x7f329670a473 <4>[ 83.652393] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 83.673732] RSP: 002b:00007ffe87d3d5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 83.682515] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f329670a473 <4>[ 83.690812] RDX: 0000000000000012 RSI: 00007f32965fe000 RDI: 0000000000000001 <4>[ 83.699106] RBP: 00007f32965fe000 R08: 00007f32965fd010 R09: 0000000000000000 <4>[ 83.707406] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 83.715705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 83.561883] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 83.568565] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 83.576828] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 83.584966] lkdtm: FAIL: the thread stack is NOT properly erased # [ 83.592025] CPU: 2 PID: 2941 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 83.601001] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.607936] Call Trace: # [ 83.610994] dump_stack+0x77/0x9b # [ 83.615012] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 83.620492] direct_entry.cold+0x2c/0x38 # [ 83.625191] full_proxy_write+0x56/0x80 # [ 83.629790] vfs_write+0xea/0x3b0 # [ 83.633805] ksys_write+0x68/0xf0 # [ 83.637820] do_syscall_64+0x33/0x40 # [ 83.642124] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 83.648087] RIP: 0033:0x7f329670a473 # [ 83.652393] Code: 8b 15 21 2a 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 # [ 83.673732] RSP: 002b:00007ffe87d3d5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.682515] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f329670a473 # [ 83.690812] RDX: 0000000000000012 RSI: 00007f32965fe000 RDI: 0000000000000001 # [ 83.699106] RBP: 00007f32965fe000 R08: 00007f32965fd010 R09: 0000000000000000 # [ 83.707406] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.715705] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh <6>[ 84.096748] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 84.103458] lkdtm: Calling matched prototype ... <6>[ 84.108959] lkdtm: Calling mismatched prototype ... <6>[ 84.114757] lkdtm: Fail: survived mismatched prototype function call! # [ 84.096748] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 84.103458] lkdtm: Calling matched prototype ... # [ 84.108959] lkdtm: Calling mismatched prototype ... # [ 84.114757] 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 Traceback (most recent call last): File "/lava-12894230/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in from tap import parser ModuleNotFoundError: No module named 'tap' + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #