[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 105 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 440000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 74321 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x3 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 33 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269522 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 4851 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 52838 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 14085 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 10016 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 14087 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 18174 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 18157 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 14089 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 11258 usecs scan_bus: scanning of bus DOMAIN: 0000 took 392031 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 412034 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 2024-01-13 06:01:49 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2024-01-13 06:01:49 UTC ELOG: Event(AA) added with size 11 at 2024-01-13 06:01:49 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 702128 exit 96534 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 2957568 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 163 run 112765 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 3 apic_id 4. AP: slot 2 apic_id 2. AP: slot 1 apic_id 6. done. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7b000000 Relocation complete. New SMBASE 0x7afff400 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #1 CPU #2 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #3 initialized CPU #1 initialized 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 469000 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2237 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2238 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2240 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2241 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2238 usecs PCI: 00:0d.1 init ... gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000 gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000 gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000 Disabling ACPI via APMC:Done. SLP S3 assertion width: 50000 usecs PCI: 00:0d.1 init finished in 27416 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2237 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2238 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2237 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2240 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2239 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6124 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6130 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6125 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6124 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6123 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6127 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2234 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2234 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3553 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2235 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2336 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 42225 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 5001 run 882790 exit 881 ELOG: Event(A1) added with size 10 at 2024-01-13 06:01:53 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2024-01-13 06:01:53 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 24872 run 3943 exit 5251 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 1796 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 818278 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 176 run 108281 exit 31979 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 12521757/tftp-deploy-mg4lg8xj/kernel/bzImage 12521757/tftp-deploy-mg4lg8xj/kernel/cmdline 12521757/tftp-deploy-mg4lg8xj/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12521757/tftp-deploy-mg4lg8xj/kernel/bzIploy-mg4lg8xj/kernel/cmdline 12521757/tftp-deploy-mg4lg8xj/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0d:ad Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12521757/tftp-deploy-mg4lg8xj/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 ############################################################## done. The bootfile was 17278752 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 ################################################################ 00a00000 # done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 12521757/tftp-deploy-mg4lg8xj/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/12521757/extract-nfsrootfs-5de1if27,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: 21501968 Starting kernel ... <5>[ 0.000000] Linux version 5.10.207-cip41 (KernelCI@build-j76134-x86-64-gcc-10-x86-64-defconfig-x86-board-ng27c) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Jan 13 05:46:17 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/12521757/extract-nfsrootfs-5de1if27,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>[ 0.000310] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.001163] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 <6>[ 0.005265] check: Scanning 1 areas for low memory corruption <6>[ 0.005278] Using GB pages for direct mapping <6>[ 0.006003] RAMDISK: [mem 0x375ff000-0x37ffffff] <6>[ 0.006011] ACPI: Early table checksum verification disabled <6>[ 0.006020] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.006031] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006045] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006058] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) <6>[ 0.006069] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006078] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006086] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.006096] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006106] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006115] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006125] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) <6>[ 0.006135] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006144] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] <6>[ 0.006149] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] <6>[ 0.006153] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006157] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006160] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] <6>[ 0.006164] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] <6>[ 0.006168] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] <6>[ 0.006172] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] <6>[ 0.006176] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] <6>[ 0.006180] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] <6>[ 0.006300] No NUMA configuration found <6>[ 0.006305] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] <6>[ 0.006314] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] <6>[ 0.006361] Zone ranges: <6>[ 0.006366] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.006372] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.006378] Normal [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006384] Movable zone start for each node <6>[ 0.006387] Early memory node ranges <6>[ 0.006391] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.006396] node 0: [mem 0x0000000000100000-0x000000000fffffff] <6>[ 0.006400] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] <6>[ 0.006404] node 0: [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006409] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] <6>[ 0.006440] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.006490] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.013031] On node 0, zone DMA32: 8529 pages in unavailable ranges <6>[ 0.020329] On node 0, zone Normal: 22019 pages in unavailable ranges <6>[ 0.020360] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.020665] ACPI: PM-Timer IO Port: 0x408 <6>[ 0.020739] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.020754] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.020760] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) <6>[ 0.020772] Using ACPI (MADT) for SMP configuration information <6>[ 0.020778] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.020789] TSC deadline timer available <6>[ 0.020794] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.020826] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.020832] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.020837] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] <6>[ 0.020842] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] <6>[ 0.020846] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.020849] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] <6>[ 0.020853] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] <6>[ 0.020856] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] <6>[ 0.020860] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] <6>[ 0.020864] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] <6>[ 0.020867] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] <6>[ 0.020871] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] <6>[ 0.020879] [mem 0x80000000-0xcfffffff] available for PCI devices <6>[ 0.020888] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.031181] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.031811] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.031916] Built 1 zonelists, mobility grouping on. Total pages: 1002002 <6>[ 0.031923] Policy zone: Normal <5>[ 0.031941] 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/12521757/extract-nfsrootfs-5de1if27,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.032949] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.033393] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.033456] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.066777] Memory: 3858980K/4071724K available (22546K kernel code, 3713K rwdata, 10976K rodata, 2172K init, 13948K bss, 212484K reserved, 0K cma-reserved) <6>[ 0.066933] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.066992] Kernel/User page tables isolation: enabled <6>[ 0.067110] ftrace: allocating 61881 entries in 242 pages <6>[ 0.103345] ftrace: allocated 242 pages with 5 groups <6>[ 0.103693] Running RCU self tests <6>[ 0.103711] rcu: Hierarchical RCU implementation. <6>[ 0.103715] rcu: RCU event tracing is enabled. <6>[ 0.103719] rcu: RCU lockdep checking is enabled. <6>[ 0.103723] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.103727] Rude variant of Tasks RCU enabled. <6>[ 0.103731] Tracing variant of Tasks RCU enabled. <6>[ 0.103735] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.103739] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.112235] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.112681] random: crng init done <6>[ 0.112794] Console: colour dummy device 80x25 <6>[ 0.181174] printk: console [ttyS2] enabled <4>[ 0.181553] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.182225] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.182594] ... MAX_LOCK_DEPTH: 48 <4>[ 0.182979] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.183370] ... CLASSHASH_SIZE: 4096 <4>[ 0.183770] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.184175] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.184573] ... CHAINHASH_SIZE: 32768 <4>[ 0.184981] memory used by lock dependency info: 6365 kB <4>[ 0.185464] memory used for stack traces: 4224 kB <4>[ 0.185890] per task-struct memory footprint: 1920 bytes <6>[ 0.186442] ACPI: Core revision 20200925 <6>[ 0.187075] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns <6>[ 0.187943] APIC: Switch to symmetric I/O mode setup <6>[ 0.192942] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>[ 0.197933] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 0.198849] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) <6>[ 0.199960] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.200923] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 <6>[ 0.201834] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 <6>[ 0.202371] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.202839] Spectre V2 : Mitigation: Retpolines <6>[ 0.203246] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.203834] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.204837] Speculative Store Bypass: Vulnerable <6>[ 0.205275] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.205835] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.206397] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.206834] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.207358] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 <6>[ 0.207835] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 <6>[ 0.208386] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. <4>[ 0.230641] ------------[ cut here ]------------ <4>[ 0.230849] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.230861] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.232593] Modules linked in: <4>[ 0.232838] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.207-cip41 #1 <4>[ 0.233415] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 0.233837] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.234255] Code: 67 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 a8 f6 87 b4 c6 05 40 15 67 02 01 e8 25 0c 16 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.234835] RSP: 0000:ffffffffb4c03e28 EFLAGS: 00010282 <4>[ 0.235308] RAX: 0000000000000000 RBX: ffffffffb582e23c RCX: 0000000000000000 <4>[ 0.235834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb2977c41 <4>[ 0.236836] RBP: ffffffffb44f8940 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.237462] R10: ffffffffb4c8ff20 R11: 3fffffffffffffff R12: ffffffffb584757c <4>[ 0.237835] R13: cccccccccccccccc R14: ffffffffb44f8945 R15: 0000000000000004 <4>[ 0.238464] FS: 0000000000000000(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 0.238837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.239834] CR2: ffffa28f72601000 CR3: 0000000170c26000 CR4: 00000000003506f0 <4>[ 0.240459] Call Trace: <4>[ 0.240845] ? __warn+0x80/0x110 <4>[ 0.241158] ? apply_returns+0x1f5/0x220 <4>[ 0.241520] ? report_bug+0x9e/0xc0 <4>[ 0.241842] ? handle_bug+0x41/0x90 <4>[ 0.242164] ? exc_invalid_op+0x14/0x70 <4>[ 0.242526] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.242846] ? console_unlock+0x4d1/0x5f0 <4>[ 0.243210] ? apply_returns+0x1f5/0x220 <4>[ 0.243577] ? apply_returns+0x1f5/0x220 <4>[ 0.243838] ? lock_acquire+0xbf/0x280 <4>[ 0.244205] alternative_instructions+0x7d/0x143 <4>[ 0.244839] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.245239] start_kernel+0x4a3/0x54d <4>[ 0.245588] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.245850] irq event stamp: 108515 <4>[ 0.246184] hardirqs last enabled at (108523): [] console_unlock+0x4d1/0x5f0 <4>[ 0.246836] hardirqs last disabled at (108534): [] console_unlock+0x444/0x5f0 <4>[ 0.247836] softirqs last enabled at (108544): [] irq_enter_rcu+0x71/0x80 <4>[ 0.248559] softirqs last disabled at (108543): [] irq_enter_rcu+0x56/0x80 <4>[ 0.248838] ---[ end trace 3c5ada0d755306d1 ]--- <6>[ 0.259309] Freeing SMP alternatives memory: 48K <6>[ 0.259740] pid_max: default: 32768 minimum: 301 <6>[ 0.259936] LSM: Security Framework initializing <6>[ 0.260382] SELinux: Initializing. <6>[ 0.260889] LSM support for eBPF active <6>[ 0.261278] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.261848] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.265193] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) <6>[ 0.266423] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.266845] ... version: 4 <6>[ 0.267208] ... bit width: 48 <6>[ 0.267584] ... generic registers: 4 <6>[ 0.267836] ... value mask: 0000ffffffffffff <6>[ 0.268304] ... max period: 00007fffffffffff <6>[ 0.268780] ... fixed-purpose events: 3 <6>[ 0.268836] ... event mask: 000000070000000f <6>[ 0.269727] rcu: Hierarchical SRCU implementation. <6>[ 0.271392] smp: Bringing up secondary CPUs ... <6>[ 0.272466] x86: Booting SMP configuration: <6>[ 0.272876] .... node #0, CPUs: #1 #2 #3 <6>[ 0.275896] smp: Brought up 1 node, 4 CPUs <6>[ 0.276684] smpboot: Max logical packages: 1 <6>[ 0.276839] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) <6>[ 0.279208] devtmpfs: initialized <6>[ 0.279943] x86/mm: Memory block size: 128MB <6>[ 0.283362] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.283851] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.284919] pinctrl core: initialized pinctrl subsystem <6>[ 0.286316] PM: RTC time: 06:02:09, date: 2024-01-13 <6>[ 0.287318] NET: Registered protocol family 16 <6>[ 0.288372] audit: initializing netlink subsys (disabled) <5>[ 0.288908] audit: type=2000 audit(1705125729.095:1): state=initialized audit_enabled=0 res=1 <6>[ 0.289518] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.289652] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.289934] cpuidle: using governor menu <6>[ 0.291041] ACPI: bus type PCI registered <6>[ 0.291139] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) <6>[ 0.291842] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 <6>[ 0.292490] PCI: Using configuration type 1 for base access <6>[ 0.322977] Kprobes globally optimized <6>[ 0.323870] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.323870] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.325020] cryptomgr_test (39) used greatest stack depth: 14880 bytes left <6>[ 0.328005] ACPI: Added _OSI(Module Device) <6>[ 0.328269] ACPI: Added _OSI(Processor Device) <6>[ 0.328668] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.328837] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.329325] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.329728] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.330838] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.338171] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.343784] ACPI: EC: EC started <6>[ 0.343835] ACPI: EC: interrupt blocked <6>[ 0.344691] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.344840] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.345489] ACPI: Interpreter enabled <6>[ 0.345883] ACPI: (supports S0 S3 S5) <6>[ 0.346225] ACPI: Using IOAPIC for interrupt routing <6>[ 0.346719] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.348528] ACPI: Enabled 1 GPEs in block 00 to 7F <6>[ 0.351960] ACPI: Power Resource [PXP] (on) <6>[ 0.373907] ACPI: Power Resource [PRIC] (on) <6>[ 0.400241] ACPI: Power Resource [PRIC] (on) <6>[ 0.468050] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.468619] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.469071] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.470304] PCI host bridge to bus 0000:00 <6>[ 0.470681] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.471838] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] <6>[ 0.472439] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.472837] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] <6>[ 0.473492] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] <6>[ 0.473838] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.474413] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 <6>[ 0.476622] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 <6>[ 0.476874] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] <6>[ 0.478032] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 <6>[ 0.478587] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] <6>[ 0.478849] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] <6>[ 0.479462] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] <6>[ 0.480217] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 <6>[ 0.480770] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] <6>[ 0.481848] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] <6>[ 0.482492] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] <6>[ 0.483247] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 <6>[ 0.483800] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] <6>[ 0.485313] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 <6>[ 0.485871] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] <6>[ 0.486518] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] <6>[ 0.486950] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold <6>[ 0.488060] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 <6>[ 0.488633] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] <6>[ 0.488995] pci 0000:00:0f.0: PME# supported from D3hot <6>[ 0.489870] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 <6>[ 0.490567] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold <6>[ 0.492373] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 <6>[ 0.492864] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] <6>[ 0.493574] pci 0000:00:15.0: PME# supported from D3hot D3cold <6>[ 0.494370] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 <6>[ 0.494873] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] <6>[ 0.495499] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] <6>[ 0.496392] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 <6>[ 0.496873] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] <6>[ 0.497495] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] <6>[ 0.499395] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 <6>[ 0.499872] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] <6>[ 0.500495] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] <6>[ 0.501382] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 <6>[ 0.501872] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] <6>[ 0.502491] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] <6>[ 0.503408] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 <6>[ 0.503873] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] <6>[ 0.504494] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] <6>[ 0.506379] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 <6>[ 0.506873] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] <6>[ 0.507491] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] <6>[ 0.508412] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 <6>[ 0.508880] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] <6>[ 0.509500] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] <6>[ 0.510392] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 <6>[ 0.510872] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] <6>[ 0.511495] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] <6>[ 0.513387] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 <6>[ 0.513874] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] <6>[ 0.514494] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] <6>[ 0.515407] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 <6>[ 0.515873] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] <6>[ 0.516496] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] <6>[ 0.517422] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 <6>[ 0.517863] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] <6>[ 0.518475] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] <6>[ 0.520368] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 <6>[ 0.520865] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] <6>[ 0.521476] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] <6>[ 0.522460] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 <6>[ 0.523432] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 <6>[ 0.523909] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] <6>[ 0.524582] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] <6>[ 0.525991] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.526979] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] <6>[ 0.528298] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) <6>[ 0.529982] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) <6>[ 0.531332] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.533595] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 0.533848] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 0.540713] ACPI: EC: interrupt unblocked <6>[ 0.540836] ACPI: EC: event unblocked <6>[ 0.541197] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.541663] ACPI: EC: GPE=0x2b <6>[ 0.541839] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.542461] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.544300] iommu: Default domain type: Translated <6>[ 0.545017] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.545447] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.545859] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.546366] vgaarb: loaded <5>[ 0.547138] SCSI subsystem initialized <6>[ 0.547905] ACPI: bus type USB registered <6>[ 0.548336] usbcore: registered new interface driver usbfs <6>[ 0.548871] usbcore: registered new interface driver hub <6>[ 0.549385] usbcore: registered new device driver usb <6>[ 0.549940] mc: Linux media interface: v0.10 <6>[ 0.550360] videodev: Linux video capture interface: v2.00 <6>[ 0.550866] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.551312] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.552846] PTP clock support registered <6>[ 0.553275] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.554676] NetLabel: Initializing <6>[ 0.554837] NetLabel: domain hash size = 128 <6>[ 0.555229] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.555796] NetLabel: unlabeled traffic allowed by default <6>[ 0.556947] PCI: Using ACPI for IRQ routing <4>[ 0.587691] Expanded resource Reserved due to conflict with PCI Bus 0000:00 <6>[ 0.587948] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 <6>[ 0.588514] hpet0: 8 comparators, 64-bit 19.200000 MHz counter <6>[ 0.591940] clocksource: Switched to clocksource tsc-early <5>[ 0.977850] VFS: Disk quotas dquot_6.6.0 <6>[ 0.978278] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.979252] pnp: PnP ACPI init <6>[ 0.980204] system 00:00: [io 0x0900-0x09fe] has been reserved <6>[ 0.980981] system 00:01: [io 0x0200] has been reserved <6>[ 0.981472] system 00:01: [io 0x0204] has been reserved <6>[ 0.981953] system 00:01: [io 0x0800-0x087f] has been reserved <6>[ 0.982488] system 00:01: [io 0x0880-0x08ff] has been reserved <6>[ 0.985490] pnp: PnP ACPI: found 3 devices <6>[ 0.999003] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 0.999897] NET: Registered protocol family 2 <6>[ 1.000487] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.002528] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.003528] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.004448] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.007055] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.008134] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.009117] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.010007] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.011107] NET: Registered protocol family 1 <6>[ 1.012261] RPC: Registered named UNIX socket transport module. <6>[ 1.012813] RPC: Registered udp transport module. <6>[ 1.013253] RPC: Registered tcp transport module. <6>[ 1.013672] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.014782] NET: Registered protocol family 44 <6>[ 1.015238] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.015696] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.016314] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.016862] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] <6>[ 1.017481] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.018088] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] <6>[ 1.018702] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] <6>[ 1.019323] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] <6>[ 1.020075] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.022953] PCI: CLS 64 bytes, default 64 <6>[ 1.023755] Unpacking initramfs... <6>[ 1.299779] Freeing initrd memory: 10244K <6>[ 1.300204] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.300831] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) <6>[ 1.301832] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer <6>[ 1.302542] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.303054] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.303568] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.304044] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <3>[ 1.305716] kvm: already loaded the other module <6>[ 1.306147] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 1.307050] clocksource: Switched to clocksource tsc <6>[ 1.307599] platform rtc_cmos: registered platform RTC device (no PNP device found) <6>[ 1.310427] check: Scanning for low memory corruption every 60 seconds <5>[ 1.313194] Initialise system trusted keyrings <6>[ 1.313885] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.328894] NFS: Registering the id_resolver key type <5>[ 1.329417] Key type id_resolver registered <5>[ 1.329822] Key type id_legacy registered <5>[ 1.341300] Key type asymmetric registered <5>[ 1.341716] Asymmetric key parser 'x509' registered <6>[ 1.342236] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.342899] io scheduler mq-deadline registered <6>[ 1.343336] io scheduler kyber registered <4>[ 1.343922] test_firmware: interface ready <6>[ 1.345009] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 <6>[ 1.346625] ACPI: AC Adapter [AC] (on-line) <6>[ 1.347300] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.348812] ACPI: Lid Switch [LID0] <6>[ 1.349316] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 <6>[ 1.350174] ACPI: Power Button [PWRB] <6>[ 1.350682] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 <6>[ 1.351565] ACPI: Sleep Button [SLP] <6>[ 1.352059] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 <6>[ 1.352877] ACPI: Power Button [PWRF] <6>[ 1.353439] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.354508] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.355311] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.356118] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.357907] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 1.360205] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.360330] Non-volatile memory driver v1.3 <6>[ 1.361331] Linux agpgart interface v0.103 <6>[ 1.362012] ACPI: bus type drm_connector registered <6>[ 1.362617] [drm] amdgpu kernel modesetting enabled. <6>[ 1.365712] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.418947] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x577f <6>[ 1.419753] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) <6>[ 1.420452] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <4>[ 1.421773] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 <5>[ 1.422671] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. <5>[ 1.423667] 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>[ 1.460776] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.463844] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.475369] loop: module loaded <6>[ 1.476256] lkdtm: No crash points registered, enable through debugfs <6>[ 1.519912] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A <6>[ 1.523166] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A <6>[ 1.526007] printk: console [ttyS2] disabled <6>[ 1.526709] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A <6>[ 4.822880] printk: console [ttyS2] enabled <6>[ 4.823001] fbcon: i915drmfb (fb0) is primary device <4>[ 4.825095] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO <6>[ 4.832742] e100: Intel(R) PRO/100 Network Driver <6>[ 4.832746] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 4.832791] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.832793] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.832850] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.832852] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.832980] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 4.832982] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 4.833025] sky2: driver version 1.30 <6>[ 4.833289] usbcore: registered new interface driver r8152 <6>[ 4.833995] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.834034] ehci-pci: EHCI PCI platform driver <6>[ 4.834117] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 4.834129] ohci-pci: OHCI PCI platform driver <6>[ 4.834174] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 4.835412] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.836333] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 <6>[ 4.837564] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 4.837610] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported <6>[ 4.838833] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.839316] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 <6>[ 4.839337] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed <6>[ 4.839852] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 4.839875] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.839878] usb usb1: Product: xHCI Host Controller <6>[ 4.839881] usb usb1: Manufacturer: Linux 5.10.207-cip41 xhci-hcd <6>[ 4.839883] usb usb1: SerialNumber: 0000:00:15.0 <6>[ 4.841485] hub 1-0:1.0: USB hub found <6>[ 4.841582] hub 1-0:1.0: 8 ports detected <6>[ 4.843028] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 4.843031] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.843034] usb usb2: Product: xHCI Host Controller <6>[ 4.843037] usb usb2: Manufacturer: Linux 5.10.207-cip41 xhci-hcd <6>[ 4.843039] usb usb2: SerialNumber: 0000:00:15.0 <6>[ 4.844015] hub 2-0:1.0: USB hub found <6>[ 4.844052] hub 2-0:1.0: 7 ports detected <6>[ 4.845252] usbcore: registered new interface driver usblp <6>[ 4.845298] usbcore: registered new interface driver usb-storage <6>[ 4.845687] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 4.845796] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 4.845798] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 4.846353] i8042: Warning: Keylock active <6>[ 4.846556] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 4.849918] rtc_cmos rtc_cmos: RTC can wake from S4 <6>[ 4.851978] rtc_cmos rtc_cmos: registered as rtc0 <6>[ 4.852322] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 <6>[ 4.853082] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram <4>[ 4.854125] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A <4>[ 4.854127] i801_smbus 0000:00:1f.1: PCI INT A: no GSI <6>[ 4.854157] i801_smbus 0000:00:1f.1: SPD Write Disable is set <3>[ 4.854210] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) <3>[ 4.854287] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 <6>[ 4.854289] i801_smbus 0000:00:1f.1: SMBus using polling <6>[ 4.855206] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 4.855272] intel_pstate: Intel P-state driver initializing <6>[ 4.857532] sdhci: Secure Digital Host Controller Interface driver <6>[ 4.857538] sdhci: Copyright(c) Pierre Ossman <6>[ 4.857710] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 4.863898] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) <6>[ 4.870668] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit <6>[ 4.871559] hid: raw HID events driver (C) Jiri Kosina <6>[ 4.873714] usbcore: registered new interface driver usbhid <6>[ 4.873719] usbhid: USB HID core driver <6>[ 4.875688] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 <6>[ 4.878684] Console: switching to colour frame buffer device 240x67 <6>[ 4.882169] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 4.885645] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 4.889896] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 4.890691] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 4.892005] IPv4 over IPsec tunneling driver <6>[ 4.893306] Initializing XFRM netlink socket <6>[ 4.894894] NET: Registered protocol family 10 <6>[ 4.898424] Segment Routing with IPv6 <6>[ 4.901607] NET: Registered protocol family 17 <6>[ 4.902379] 8021q: 802.1Q VLAN Support v1.8 <5>[ 4.902556] Key type dns_resolver registered <3>[ 4.910805] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up <6>[ 4.913982] microcode: sig=0x506c9, pf=0x1, revision=0x2c <6>[ 4.916748] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 4.930935] microcode: Microcode Update Driver: v2.2. <6>[ 5.090345] usb 1-5: new high-speed USB device number 2 using xhci_hcd <6>[ 5.098611] IPI shorthand broadcast: enabled <6>[ 5.099182] sched_clock: Marking stable (5017362226, 81213062)->(5106533149, -7957861) <6>[ 5.106398] mmc0: new HS400 MMC card at address 0001 <6>[ 5.118068] registered taskstats version 1 <6>[ 5.124732] mmcblk0: mmc0:0001 DA4064 58.2 GiB <5>[ 5.126851] Loading compiled-in X.509 certificates <6>[ 5.137095] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.156494] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.158374] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.171913] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.174552] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 5.186490] PM: Magic number: 8:540:13 <6>[ 5.225194] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.583489] printk: console [netcon0] enabled <6>[ 5.588743] netconsole: network logging started <6>[ 5.605949] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.625181] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 <6>[ 5.634838] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 5.643172] usb 1-5: Product: USB2.0 HD UVC WebCam <6>[ 5.648872] usb 1-5: Manufacturer: Quanta <6>[ 5.653725] usb 1-5: SerialNumber: 0x0001 <6>[ 5.664459] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.726376] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.748885] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.758402] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.766734] usb 2-5: Product: USB 10/100/1000 LAN <6>[ 5.772336] usb 2-5: Manufacturer: Realtek <6>[ 5.777253] usb 2-5: SerialNumber: 001000001 <6>[ 5.789205] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.863559] usb 1-6: new full-speed USB device number 3 using xhci_hcd <6>[ 6.001015] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.010541] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.023868] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.117434] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.163843] r8152 2-5:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.203271] r8152 2-5:1.0 eth0: v1.11.11 <6>[ 6.209015] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 7.853496] r8152 2-5:1.0 eth0: carrier on <6>[ 7.858621] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 7.866349] Sending DHCP requests .., OK <6>[ 10.154778] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.16 <6>[ 10.164099] IP-Config: Complete: <6>[ 10.168056] device=eth0, hwaddr=00:e0:4c:68:0d:ad, ipaddr=192.168.201.16, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.180089] host=asus-c523na-a20057-coral-cbg-4, domain=lava-rack, nis-domain=(none) <6>[ 10.189592] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.189600] nameserver0=192.168.201.1 <5>[ 10.203582] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.227042] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 10.242483] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 10.251327] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <6>[ 10.261728] ALSA device list: <4>[ 10.261900] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.265433] No soundcards found. <6>[ 10.275488] cfg80211: failed to load regulatory.db <4>[ 10.287204] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console <6>[ 10.308851] Freeing unused kernel image (initmem) memory: 2172K <6>[ 10.328948] Write protecting the kernel read-only data: 36864k <6>[ 10.340130] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.350048] Freeing unused kernel image (rodata/data gap) memory: 1312K <6>[ 10.358335] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 10.450848] systemd-udevd (124) used greatest stack depth: 13688 bytes left <6>[ 10.712810] udevadm (126) used greatest stack depth: 13592 bytes left <6>[ 11.430909] chromeos ramoops using acpi device. <6>[ 11.439044] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.473142] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.500759] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator <4>[ 11.510350] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.534490] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator <4>[ 11.534980] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <4>[ 11.556489] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.566638] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.609885] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.614869] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.623340] da7219 i2c-DLGS7219:00: Invalid micbias pulse level <6>[ 11.673034] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.792713] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.795401] Registered efivars operations <6>[ 11.807490] gsmi version 1.0 loaded <3>[ 12.578617] i2c_designware i2c_designware.5: controller timed out <4>[ 12.619719] i2c_designware i2c_designware.5: timeout in disabling adapter <6>[ 12.639524] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count <6>[ 12.640108] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.667768] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090) <6>[ 12.674679] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.689899] 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>[ 12.693316] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.704847] usbcore: registered new interface driver uvcvideo <6>[ 12.717245] USB Video Class driver (1.1.1) <6>[ 12.718639] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.752087] udevadm (147) 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:68:0d:ad mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.16 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c523na-a20057-coral-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 13.041850] nfsmount (172) used greatest stack depth: 12536 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <4>[ 13.814958] i2c_designware i2c_designware.5: timeout in disabling adapter SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 14.678153] systemd[1]: systemd 247.3-7+deb11u2 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>[ 14.719094] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 14.759389] systemd[1]: Set hostname to . <30>[ 16.115851] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 16.133501] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 16.152571] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 16.171624] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 16.190459] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 16.209129] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 16.229745] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 16.252052] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 16.276032] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 16.293001] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 16.304909] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 16.321901] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 16.333918] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 16.347077] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 16.368986] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 16.388822] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 16.407728] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 16.426201] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 16.449718] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 16.467482] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 16.490934] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 16.512627] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 16.536080] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 16.556967] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 16.579281] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 16.605050] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 16.627480] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 16.649479] systemd[1]: Starting Load Kernel Module fuse... <6>[ 16.653282] mount (199) used greatest stack depth: 12384 bytes left Starting Load Kernel Module fuse... <30>[ 16.678365] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 16.704558] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 16.733102] fuse: init (API version 7.32) <30>[ 16.735922] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 16.760483] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 16.784852] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 16.816780] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 16.833839] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 16.851833] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 16.872831] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 16.893861] 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>[ 16.918861] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 16.928293] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 16.948302] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 16.957518] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 16.977333] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 16.987136] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 17.007367] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 17.026511] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 17.051872] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 17.073908] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 17.099131] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 17.109893] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 17.126566] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 17.148358] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 17.168935] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 17.194788] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 17.210200] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. <30>[ 17.241356] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 17.260381] systemd[1]: Condition check resulted in First Boot Complete being skipped. <30>[ 17.303422] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. <30>[ 17.415798] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. <30>[ 17.437118] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... <30>[ 17.489219] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... <46>[ 17.605419] systemd-journald[208]: Received client request to flush runtime journal. [ 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... [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Create Volatile Files and Directories. [ OK ] Started Network Service. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished 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 5.10.207-cip41 #1 SMP Sat Jan 13 05:46:17 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/12521757/extract-nfsrootfs-5de1if27' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12521757/extract-nfsrootfs-5de1if27' / # 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-12521757/environment . /lava-12521757/environment / # /lava-12521757/bin/lava-test-runner /lava-12521757/0 /lava-12521757/bin/lava-test-runner /lava-12521757/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12521757/0/tests/0_timesync-off ++ cat uuid + UUID=12521757_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-12521757/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12521757_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/v5.10.205-905-gb40421b142370/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 --2024-01-13 06:02:35-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-905-gb40421b142370/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: 3378144 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 192KB/s kselftest.tar.xz 6%[> ] 214.67K 408KB/s kselftest.tar.xz 21%[===> ] 719.49K 910KB/s kselftest.tar.xz 35%[======> ] 1.15M 1.09MB/s kselftest.tar.xz 50%[=========> ] 1.62M 1.23MB/s kselftest.tar.xz 65%[============> ] 2.12M 1.34MB/s kselftest.tar.xz 81%[===============> ] 2.64M 1.47MB/s kselftest.tar.xz 91%[=================> ] 2.94M 1.48MB/s kselftest.tar.xz 100%[===================>] 3.22M 1.52MB/s in 2.1s 2024-01-13 06:02:38 (1.52 MB/s) - 'kselftest.tar.xz' saved [3378144/3378144] 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>[ 41.646880] 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>[ 42.519694] lkdtm: Performing direct entry BUG <4>[ 42.525335] ------------[ cut here ]------------ <2>[ 42.531452] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 42.538433] invalid opcode: 0000 [#1] SMP PTI <4>[ 42.543614] CPU: 3 PID: 639 Comm: cat Tainted: G W 5.10.207-cip41 #1 <4>[ 42.552494] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 42.559435] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.564129] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 42.585481] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 42.591635] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.599929] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 42.608221] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.616516] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.624811] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 42.633105] FS: 00007f3146c82580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 <4>[ 42.642473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.649206] CR2: 00007f3146a8c000 CR3: 00000001013f2000 CR4: 00000000003506e0 <4>[ 42.657500] Call Trace: <4>[ 42.660548] ? __die_body.cold+0x1a/0x1f <4>[ 42.665246] ? die+0x2b/0x50 <4>[ 42.668768] ? do_trap+0x91/0x110 <4>[ 42.672778] ? lkdtm_BUG+0x5/0x10 <4>[ 42.676790] ? do_error_trap+0x90/0x110 <4>[ 42.681383] ? lkdtm_BUG+0x5/0x10 <4>[ 42.685392] ? lkdtm_BUG+0x5/0x10 <4>[ 42.689407] ? exc_invalid_op+0x4e/0x70 <4>[ 42.694002] ? lkdtm_BUG+0x5/0x10 <4>[ 42.698014] ? asm_exc_invalid_op+0x12/0x20 <4>[ 42.703001] ? direct_entry+0xe0/0xe0 <4>[ 42.707404] ? lkdtm_BUG+0x5/0x10 <4>[ 42.711417] direct_entry.cold+0x2c/0x38 <4>[ 42.716117] full_proxy_write+0x56/0x80 <4>[ 42.720714] vfs_write+0xea/0x3b0 <4>[ 42.724729] ksys_write+0x68/0xf0 <4>[ 42.728740] do_syscall_64+0x33/0x40 <4>[ 42.733044] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 42.739005] RIP: 0033:0x7f3146b98473 <4>[ 42.743311] 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>[ 42.764658] RSP: 002b:00007fff9ad4bec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.773441] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3146b98473 <4>[ 42.781736] RDX: 0000000000000004 RSI: 00007f3146a8c000 RDI: 0000000000000001 <4>[ 42.790030] RBP: 00007f3146a8c000 R08: 00007f3146a8b010 R09: 0000000000000000 <4>[ 42.798323] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.806618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 42.814922] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <0>[ 42.857072] gsmi: Log Shutdown Reason 0x03 <4>[ 42.862079] ---[ end trace 3c5ada0d755306d3 ]--- <4>[ 42.867607] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.872804] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 42.894356] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 42.900585] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.908972] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 42.917322] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.925685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.934020] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 42.942329] FS: 00007f3146c82580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 <4>[ 42.951794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.958576] CR2: 00007f3146a8c000 CR3: 00000001013f2000 CR4: 00000000003506e0 # Segmentation fault # [ 42.519694] lkdtm: Performing direct entry BUG # [ 42.525335] ------------[ cut here ]------------ # [ 42.531452] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 42.538433] invalid opcode: 0000 [#1] SMP PTI # [ 42.543614] CPU: 3 PID: 639 Comm: cat Tainted: G W 5.10.207-cip41 #1 # [ 42.552494] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 42.559435] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.564129] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 42.585481] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 42.591635] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.599929] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 42.608221] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.616516] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.624811] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 42.633105] FS: 00007f3146c82580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 # [ 42.642473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.649206] CR2: 00007f3146a8c000 CR3: 00000001013f2000 CR4: 00000000003506e0 # [ 42.657500] Call Trace: # [ 42.660548] ? __die_body.cold+0x1a/0x1f # [ 42.665246] ? die+0x2b/0x50 # [ 42.668768] ? do_trap+0x91/0x110 # [ 42.672778] ? lkdtm_BUG+0x5/0x10 # [ 42.676790] ? do_error_trap+0x90/0x110 # [ 42.681383] ? lkdtm_BUG+0x5/0x10 # [ 42.685392] ? lkdtm_BUG+0x5/0x10 # [ 42.689407] ? exc_invalid_op+0x4e/0x70 # [ 42.694002] ? lkdtm_BUG+0x5/0x10 # [ 42.698014] ? asm_exc_invalid_op+0x12/0x20 # [ 42.703001] ? direct_entry+0xe0/0xe0 # [ 42.707404] ? lkdtm_BUG+0x5/0x10 # [ 42.711417] direct_entry.cold+0x2c/0x38 # [ 42.716117] full_proxy_write+0x56/0x80 # [ 42.720714] vfs_write+0xea/0x3b0 # [ 42.724729] ksys_write+0x68/0xf0 # [ 42.728740] do_syscall_64+0x33/0x40 # [ 42.733044] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 42.739005] RIP: 0033:0x7f3146b98473 # [ 42.743311] Code: 8b 15 21 <6>[ 43.218320] lkdtm: Performing direct entry WARNING 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8<4>[ 43.230359] ------------[ cut here ]------------ b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 <4>[ 43.242048] WARNING: CPU: 1 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 43.258047] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 42.764658] RSP: 002b:00007fff9ad4bec8 EFLAGS: 00000246 ORIG_RAX:<4>[ 43.304469] CPU: 1 PID: 677 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 43.319592] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000000000001 # [ 42.773441] RAX: ffffffffffffffda RBX: 0<4>[ 43.326601] RIP: 0010:lkdtm_WARNING+0x13/0x20 000000000000004 RCX: 00007f3146b98473 # [ 42.781736] RDX: 000<4>[ 43.338017] 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 f0 7d 0b 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 d1 7d <4>[ 43.365618] RSP: 0018:ffffbd6f41317e60 EFLAGS: 00010202 <4>[ 43.371786] RAX: ffffffffb337bf10 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 43.380104] RDX: 0000000000000000 RSI: ffffa28f7bc9bf50 RDI: ffffffffb44f84c0 <4>[ 43.388420] RBP: ffffffffb4982b3f R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.396738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 43.405054] R13: ffffbd6f41317f10 R14: ffffbd6f41317f10 R15: ffffa28f013c1000 <4>[ 43.413374] FS: 00007f2a06008580(0000) GS:ffffa28f7bc80000(0000) knlGS:0000000000000000 <4>[ 43.422759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.429518] CR2: 00007f2a05e12000 CR3: 0000000105900000 CR4: 00000000003506e0 <4>[ 43.437835] Call Trace: 0000000000004 RSI: 00007f3146a8c000 RDI: 0000000000000001 # [ <4>[ 43.440908] ? __warn+0x80/0x110 <4>[ 43.451086] ? lkdtm_WARNING+0x13/0x20 <4>[ 43.455599] ? report_bug+0x9e/0xc0 <4>[ 43.459832] ? handle_bug+0x41/0x90 <4>[ 43.464063] ? exc_invalid_op+0x14/0x70 <4>[ 43.468674] ? asm_exc_invalid_op+0x12/0x20 <4>[ 43.473688] ? lkdtm_BUG+0x10/0x10 <4>[ 43.477822] ? lkdtm_WARNING+0x13/0x20 <4>[ 43.482345] direct_entry.cold+0x2c/0x38 <4>[ 43.487069] full_proxy_write+0x56/0x80 42.790030] RBP: 00007f3146a8c000 R08: 00007f3146a8b010 R09: 000<4>[ 43.491688] vfs_write+0xea/0x3b0 <4>[ 43.501928] ksys_write+0x68/0xf0 <4>[ 43.505965] do_syscall_64+0x33/0x40 0000000000000 # [ 42.798323] R10: fffffffffffffbc5 R11: 00000<4>[ 43.510291] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.522496] RIP: 0033:0x7f2a05f1e473 <4>[ 43.526812] 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>[ 43.548183] RSP: 002b:00007ffd68f4e7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000246 R12: 0000000000000001 # [ 42.806618] R13: 0000000<4>[ 43.556994] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2a05f1e473 000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.<4>[ 43.571521] RDX: 0000000000000008 RSI: 00007f2a05e12000 RDI: 0000000000000001 <4>[ 43.586060] RBP: 00007f2a05e12000 R08: 00007f2a05e11010 R09: 0000000000000000 <4>[ 43.594378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.602694] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.611026] irq event stamp: 0 814922] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_<4>[ 43.614761] hardirqs last enabled at (0): [<0000000000000000>] 0x0 lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_c<4>[ 43.628322] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.644036] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.653521] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.660865] ---[ end trace 3c5ada0d755306d4 ]--- harger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 42.857072] gsmi: Log Shutdown Reason 0x03 # [ 42.862079] ---[ end trace 3c5ada0d755306d3 ]--- # [ 42.867607] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.872804] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 42.894356] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 42.900585] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.908972] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 42.917322] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.925685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.934020] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 42.942329] FS: 00007f3146c82580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 # [ 42.951794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.958576] CR2: 00007f3146a8c000 CR3: 00000001013f2000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 43.218320] lkdtm: Performing direct entry WARNING # [ 43.230359] ------------[ cut here ]------------ # [ 43.242048] WARNING: CPU: 1 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 43.258047] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 43.304469] CPU: 1 PID: 677 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 43.319592] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.326601] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 43.338017] 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 f0 7d 0b 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 d1 7d # [ 43.365618] RSP: 0018:ffffbd6f41317e60 EFLAGS: 00010202 # [ 43.371786] RAX: ffffffffb337bf10 RBX: 0000000000000002 RCX: 0000000000000000 # [ 43.380104] RDX: 0000000000000000 RSI: ffffa28f7bc9bf50 RDI: ffffffffb44f84c0 # [ 43.388420] RBP: ffffffffb4982b3f R08: 0000000000000000 R09: 0<6>[ 43.935104] lkdtm: Performing direct entry WARNING_MESSAGE 000000000000000 # [ 43.396738] R10: 00000000ffffe000 R11: 3ff<4>[ 43.947241] ------------[ cut here ]------------ <4>[ 43.958956] Warning message trigger count: 2 fffffffffffff R12: 0000000000000008 # [ 43.405054] R13: ffffb<4>[ 43.964134] WARNING: CPU: 2 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 d6f41317f10 R14: ffffbd6f41317f10 R15: ffffa28f013c1000 # [ 4<4>[ 43.980913] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 44.027401] CPU: 2 PID: 713 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 44.036302] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.043260] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 44.049240] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 7d 0b 03 48 c7 c7 a0 30 98 b4 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 44.070611] RSP: 0018:ffffbd6f413a7e60 EFLAGS: 00010286 <4>[ 44.076779] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 44.085091] RDX: ffffa28f7bd2c620 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 <4>[ 44.093409] RBP: ffffffffb4982b47 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.101725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 44.110038] R13: ffffbd6f413a7f10 R14: ffffbd6f413a7f10 R15: ffffa28f05b7e000 <4>[ 44.118354] FS: 00007f0460ee6580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 44.127738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.134493] CR2: 00007f0460cf0000 CR3: 0000000106288000 CR4: 00000000003506e0 <4>[ 44.142798] Call Trace: <4>[ 44.145866] ? __warn+0x80/0x110 <4>[ 44.149802] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 44.155104] ? report_bug+0x9e/0xc0 3.413374] FS: 00007f2a06008580(0000) GS:ffffa28f7bc80000(0000) <4>[ 44.159340] ? handle_bug+0x41/0x90 <4>[ 44.169784] ? exc_invalid_op+0x14/0x70 <4>[ 44.174402] ? asm_exc_invalid_op+0x12/0x20 <4>[ 44.179415] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 44.184713] direct_entry.cold+0x2c/0x38 <4>[ 44.189432] full_proxy_write+0x56/0x80 <4>[ 44.194055] vfs_write+0xea/0x3b0 <4>[ 44.198086] ksys_write+0x68/0xf0 knlGS:0000000000000000 # [ 43.422759] CS: 0010 DS: 0000 ES: <4>[ 44.202123] do_syscall_64+0x33/0x40 0000 CR0: 0000000080050033 # [ 43.429518] CR2: 00007f2a05e120<4>[ 44.212655] entry_SYSCALL_64_after_hwframe+0x62/0xc7 00 CR3: 0000000105900000 CR4: 00000000003506e0 # [ 43.437835]<4>[ 44.224848] RIP: 0033:0x7f0460dfc473 <4>[ 44.235390] 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>[ 44.256759] RSP: 002b:00007ffce27ea128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.265560] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0460dfc473 <4>[ 44.273906] RDX: 0000000000000010 RSI: 00007f0460cf0000 RDI: 0000000000000001 <4>[ 44.282248] RBP: 00007f0460cf0000 R08: 00007f0460cef010 R09: 0000000000000000 <4>[ 44.290559] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.298856] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.307163] irq event stamp: 0 <4>[ 44.310894] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.318237] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.327724] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.337210] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.344551] ---[ end trace 3c5ada0d755306d5 ]--- Call Trace: # [ 43.440908] ? __warn+0x80/0x110 # [ 43.451086] ? lkdtm_WARNING+0x13/0x20 # [ 43.455599] ? report_bug+0x9e/0xc0 # [ 43.459832] ? handle_bug+0x41/0x90 # [ 43.464063] ? exc_invalid_op+0x14/0x70 # [ 43.468674] ? asm_exc_invalid_op+0x12/0x20 # [ 43.473688] ? lkdtm_BUG+0x10/0x10 # [ 43.477822] ? lkdtm_WARNING+0x13/0x20 # [ 43.482345] direct_entry.cold+0x2c/0x38 # [ 43.487069] full_proxy_write+0x56/0x80 # [ 43.491688] vfs_write+0xea/0x3b0 # [ 43.501928] ksys_write+0x68/0xf0 # [ 43.505965] do_syscall_64+0x33/0x40 # [ 43.510291] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.522496] RIP: 0033:0x7f2a05f1e473 # [ 43.526812] 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 # [ 43.548183] RSP: 002b:00007ffd68f4e7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.556994] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2a05f1e473 # [ 43.571521] RDX: 0000000000000008 RSI: 00007f2a05e12000 RDI: 0000000000000001 # [ 43.586060] RBP: 00007f2a05e12000 R08: 00007f2a05e11010 R09: 0000000000000000 # [ 43.594378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.602694] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.611026] irq event stamp: 0 # [ 43.614761] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.628322] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.644036] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.653521] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.660865] ---[ end trace 3c5ada0d755306d4 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 43.935104] lkdtm: Performing direct entry WARNING_MESSAGE # [ 43.947241] ------------[ cut here ]------------ # [ 43.958956] Warning message trigger count: 2 # [ 43.964134] WARNING: CPU: 2 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.980913] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_co<6>[ 44.594091] lkdtm: Performing direct entry EXCEPTION re snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore cor<1>[ 44.605356] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.619648] #PF: supervisor write access in kernel mode <1>[ 44.625800] #PF: error_code(0x0002) - not-present page <6>[ 44.631855] PGD 0 P4D 0 <4>[ 44.634995] Oops: 0002 [#2] SMP PTI <4>[ 44.639201] CPU: 2 PID: 746 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 44.648074] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.655014] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 44.660289] Code: 48 c7 c7 a0 30 98 b4 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 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>[ 44.681642] RSP: 0018:ffffbd6f4142fe60 EFLAGS: 00010286 <4>[ 44.687793] RAX: ffffffffb337bf60 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 44.696087] RDX: 0000000000000000 RSI: ffffa28f7bd1bf50 RDI: ffffffffb44f84e0 <4>[ 44.704379] RBP: ffffffffb48767a7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.712673] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 44.720963] R13: ffffbd6f4142ff10 R14: ffffbd6f4142ff10 R15: ffffa28f0610a000 <4>[ 44.729258] FS: 00007f94da4e2580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 44.738621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.745352] CR2: 0000000000000000 CR3: 0000000102cd0000 CR4: 00000000003506e0 <4>[ 44.753644] Call Trace: <4>[ 44.756688] ? __die_body.cold+0x1a/0x1f <4>[ 44.761381] ? no_context+0x177/0x380 <4>[ 44.765784] ? exc_page_fault+0x53/0x170 <4>[ 44.770476] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.775464] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 44.780743] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 44.785337] direct_entry.cold+0x2c/0x38 <4>[ 44.790035] full_proxy_write+0x56/0x80 <4>[ 44.794634] vfs_write+0xea/0x3b0 <4>[ 44.798647] ksys_write+0x68/0xf0 <4>[ 44.802661] do_syscall_64+0x33/0x40 <4>[ 44.806962] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.812917] RIP: 0033:0x7f94da3f8473 <4>[ 44.817218] 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>[ 44.838563] RSP: 002b:00007ffd8a048fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.847345] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f94da3f8473 <4>[ 44.855640] RDX: 000000000000000a RSI: 00007f94da2ec000 RDI: 0000000000000001 <4>[ 44.863933] RBP: 00007f94da2ec000 R08: 00007f94da2eb010 R09: 0000000000000000 <4>[ 44.872227] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.880518] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 eboot_table # [ 44.027401] CPU: 2 PID: 713 Comm: cat Tainted:<4>[ 44.888823] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 44.935286] CR2: 0000000000000000 <4>[ 44.939297] ---[ end trace 3c5ada0d755306d6 ]--- <4>[ 44.944758] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.949445] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 44.970790] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 44.976941] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.985234] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 44.993527] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.001819] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.010108] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 45.018395] FS: 00007f94da4e2580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 45.027758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.034491] CR2: 0000000000000000 CR3: 0000000102cd0000 CR4: 00000000003506e0 <3>[ 45.042784] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.053022] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat <4>[ 45.061702] INFO: lockdep is turned off. <4>[ 45.066390] irq event stamp: 0 <4>[ 45.070106] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.077429] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.086884] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.096345] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.103667] CPU: 2 PID: 746 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 45.112541] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 45.119470] Call Trace: <4>[ 45.122510] dump_stack+0x77/0x9b <4>[ 45.126523] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.131411] exit_signals+0x1c/0x300 <4>[ 45.135712] do_exit+0xc2/0xab0 <4>[ 45.139528] ? ksys_write+0x68/0xf0 <4>[ 45.143735] make_task_dead+0x2f/0x30 <4>[ 45.148127] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.153684] RIP: 0033:0x7f94da3f8473 <4>[ 45.157982] 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>[ 45.179318] RSP: 002b:00007ffd8a048fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 G D W 5.10.207-cip41 #1 # [ 44.036302] Hardware<4>[ 45.188105] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f94da3f8473 <4>[ 45.202628] RDX: 000000000000000a RSI: 00007f94da2ec000 RDI: 0000000000000001 <4>[ 45.210921] RBP: 00007f94da2ec000 R08: 00007f94da2eb010 R09: 0000000000000000 <4>[ 45.219213] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.227505] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.043260] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.049240] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 7d 0b 03 48 c7 c7 a0 30 98 b4 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 44.070611] RSP: 0018:ffffbd6f413a7e60 EFLAGS: 00010286 # [ 44.076779] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 44.085091] RDX: ffffa28f7bd2c620 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 # [ 44.093409] RBP: ffffffffb4982b47 R08: 0000000000000000 R09: 0000000000000000 # [ 44.101725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 44.110038] R13: ffffbd6f413a7f10 R14: ffffbd6f413a7f10 R15: ffffa28f05b7e000 # [ 44.118354] FS: 00007f0460ee6580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 44.127738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.134493] CR2: 00007f0460cf0000 CR3: 0000000106288000 CR4: 00000000003506e0 # [ 44.142798] Call Trace: # [ 44.145866] ? __warn+0x80/0x110 # [ 44.149802] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.155104] ? report_bug+0x9e/0xc0 # [ 44.159340] ? handle_bug+0x41/0x90 # [ 44.169784] ? exc_invalid_op+0x14/0x70 # [ 44.174402] ? asm_exc_invalid_op+0x12/0x20 # [ 44.179415] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.184713] direct_entry.cold+0x2c/0x38 # [ 44.189432] full_proxy_write+0x56/0x80 # [ 44.194055] vfs_write+0xea/0x3b0 # [ 44.198086] ksys_write+0x68/0xf0 # [ 44.202123] do_syscall_64+0x33/0x40 # [ 44.212655] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.224848] RIP: 0033:0x7f0460dfc473 # [ 44.235390] 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 # [ 44.256759] RSP: 002b:00007ffce27ea128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.265560] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0460dfc473 # [ 44.273906] RDX: 0000000000000010 RSI: 00007f0460cf0000 RDI: 0000000000000001 # [ 44.282248] RBP: 00007f0460cf0000 R08: 00007f0460cef010 R09: 0000000000000000 # [ 44.290559] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.298856] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.307163] irq event stamp: 0 # [ 44.310894] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.318237] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.327724] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.337210] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.344551] ---[ end trace 3c5ada0d755306d5 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 44.594091] lkdtm: Performing direct entry EXCEPTION # [ 44.605356] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 44.619648] #PF: supervisor write access in kernel mode # [ 44.625800] #PF: error_code(0x0002) - not-present page # [ 44.631855] PGD 0 P4D 0 # [ 44.634995] Oops: 0002 [#2] SMP PTI # [ 44.639201] CPU: 2 PID: 746 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 44.648074] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.655014] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 44.660289] Code: 48 c7 c7 a0 30 98 b4 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 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 # [ 44.681642] RSP: 0018:ffffbd6f4142fe60 EFLAGS: 00010286 # [ 44.687793] RAX: ffffffffb337bf60 RBX: 0000000000000004 RCX: 0000000000000000 # [ 44.696087] RDX: 0000000000000000 RSI: ffffa28f7bd1bf50 RDI: ffffffffb44f84e0 # [ 44.704379] RBP: ffffffffb48767a7 R08: 0000000000000000 R09: 0000000000000000 # [ 44.712673] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 44.720963] R13: ffffbd6f4142ff10 R14: ffffbd6f4142ff10 R15: ffffa28f0610a000 # [ 44.729258] FS: 00007f94da4e2580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 44.738621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.745352] CR2: 0000000000000000 CR3: 0000000102cd0000 CR4: 00000000003506e0 # [ 44.753644] Call Trace: # [ 44.756688] ? __die_body.cold+0x1a/0x1f # [ 44.761381] ? no_context+0x177/0x380 # [ 44.765784] ? exc_page_fault+0x53/0x170 # [ 44.770476] ? asm_exc_page_fault+0x1e/0x30 # [ 44.775464] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 44.780743] ? lkdtm_EXCEPTION+0x5/0x20 # [ 44.785337] direct_entry.cold+0x2c/0x38 # [ 44.790035] full_proxy_write+0x56/0x80 # [ 44.794634] vfs_write+0xea/0x3b0 # [ 44.798647] ksys_write+0x68/0xf0 # [ 44.802661] do_syscall_64+0x33/0x40 # [ 44.806962] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.812917] RIP: 0033:0x7f94da3f8473 # [ 44.817218] 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 # [ 44.838563] RSP: 002b:00007ffd8a048fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.847345] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f94da3f8473 # [ 44.855640] RDX: 000000000000000a RSI: 00007f94da2ec000 RDI: 0000000000000001 # [ 44.863933] RBP: 00007f94da2ec000 R08: 00007f94da2eb010 R09: 0000000000000000 # [ 44.872227] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.880518] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.888823] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 44.935286] CR2: 0000000000000000 # [ 44.939297] ---[ end trace 3c5ada0d755306d6 ]--- # [ 44.944758] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.949445] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 44.970790] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 44.976941] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.985234] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 44.993527] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 45.001819] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.010108] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 45.018395] FS: 00007f94da4e2580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 45.027758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.034491] CR2: 0000000000000000 CR3: 0000000102cd0000 CR4: 00000000003506e0 # [ 45.042784] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 45.053022] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat # [ 45.061702] INFO: lockdep is turned off. # [ 45.066390] irq event stamp: 0 # [ 45.070106] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.077429] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.086884] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.096345] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.103667] CPU: 2 PID: 746 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 45.112541] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.119470] Call Trace: # [ 45.122510] dump_stack+0x77/0x9b # [ 45.126523] ___might_sleep.cold+0xa6/0xb6 # [ 45.131411] exit_signals+0x1c/0x300 # [ 45.135712] do_exit+0xc2/0xab0 # [ 45.139528] ? ksys_write+0x68/0xf0 # [ 45.143735] make_task_dead+0x2f/0x30 # [ 45.148127] rewind_stack_and_make_dead+0x17/0x20 # [ 45.153684] RIP: 0033:0x7f94da3f8473 # [ 45.157982] 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 # [ 45.179318] RSP: 002b:00007ffd8a048fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.188105] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f94da3f8473 # [ 45.202628] RDX: 000000000000000a RSI: 00007f94da2ec000 RDI: 0000000000000001 # [ 45.210921] RBP: 00007f94da2ec000 R08: 00007f94da2eb010 R09: 00000000<6>[ 46.117364] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 46.128055] lkdtm: attempting good list addition <6>[ 46.133564] lkdtm: attempting corrupted list addition <3>[ 46.139541] lkdtm: list_add() corruption not detected! 00000000 # [ 45.219213] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.227505] 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 # [ 46.117364] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 46.128055] lkdtm: attempting good list addition # [ 46.133564] lkdtm: attempting corrupted list addition # [ 46.139541] 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>[ 46.391100] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 46.397713] lkdtm: attempting good list removal <6>[ 46.403112] lkdtm: attempting corrupted list removal <3>[ 46.409043] lkdtm: list_del() corruption not detected! # [ 46.391100] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 46.397713] lkdtm: attempting good list removal # [ 46.403112] lkdtm: attempting corrupted list removal # [ 46.409043] 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>[ 46.681416] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 46.688773] lkdtm: attempting bad read from page below current stack <0>[ 46.696239] BUG: stack guard page was hit at 000000002f21df00 (stack is 00000000120e9836..000000008068dc15) <4>[ 46.707466] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 46.714596] CPU: 0 PID: 978 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 46.723473] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.730413] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 46.737250] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 40 34 98 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 80 34 98 b4 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44 <4>[ 46.758602] RSP: 0018:ffffbd6f41797e50 EFLAGS: 00010246 <4>[ 46.764759] RAX: 0000000000000038 RBX: ffffbd6f41794000 RCX: 0000000000000000 <4>[ 46.773055] RDX: 0000000000000000 RSI: ffffa28f7bc1bf50 RDI: ffffffffb4983480 <4>[ 46.781349] RBP: ffffffffb4982baa R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.789642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 46.797938] R13: ffffbd6f41797f10 R14: ffffbd6f41797f10 R15: ffffa28f061a9000 <4>[ 46.806235] FS: 00007f7676ff4580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 46.815601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.822333] CR2: ffffbd6f41793fff CR3: 0000000103c3a000 CR4: 00000000003506f0 <4>[ 46.830628] Call Trace: <4>[ 46.833666] <#DF> <4>[ 46.836222] ? __die_body.cold+0x1a/0x1f <4>[ 46.840920] ? die+0x2b/0x50 <4>[ 46.844442] ? handle_stack_overflow+0x3e/0x4d <4>[ 46.849722] ? no_context+0x24d/0x380 <4>[ 46.854118] <4>[ 46.856761] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 46.897003] ---[ end trace 3c5ada0d755306d7 ]--- <4>[ 46.902478] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.907168] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 46.928520] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 46.934675] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.942968] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 46.951262] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.959554] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.967840] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 46.976127] FS: 00007f7676ff4580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 46.985493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.992230] CR2: ffffbd6f41793fff CR3: 0000000103c3a000 CR4: 00000000003506f0 <3>[ 47.000529] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 47.010773] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat <4>[ 47.019456] INFO: lockdep is turned off. <4>[ 47.024144] irq event stamp: 0 <4>[ 47.027862] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.035180] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.044643] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.054101] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.061424] CPU: 0 PID: 978 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 47.070301] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 47.077230] Call Trace: <4>[ 47.080273] dump_stack+0x77/0x9b <4>[ 47.084286] ___might_sleep.cold+0xa6/0xb6 <4>[ 47.089177] exit_signals+0x1c/0x300 <4>[ 47.093479] do_exit+0xc2/0xab0 <4>[ 47.097298] ? ksys_write+0x68/0xf0 <4>[ 47.101505] make_task_dead+0x2f/0x30 <4>[ 47.105905] rewind_stack_and_make_dead+0x17/0x20 <4>[ 47.111463] RIP: 0033:0x7f7676f0a473 <4>[ 47.115765] 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>[ 47.137117] RSP: 002b:00007ffe6f7e66e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.145898] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7676f0a473 <4>[ 47.154189] RDX: 0000000000000019 RSI: 00007f7676dfe000 RDI: 0000000000000001 <4>[ 47.162484] RBP: 00007f7676dfe000 R08: 00007f7676dfd010 R09: 0000000000000000 <4>[ 47.170775] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.179065] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 46.681416] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 46.688773] lkdtm: attempting bad read from page below current stack # [ 46.696239] BUG: stack guard page was hit at 000000002f21df00 (stack is 00000000120e9836..000000008068dc15) # [ 46.707466] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 46.714596] CPU: 0 PID: 978 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 46.723473] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.730413] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 46.737250] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 40 34 98 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 80 34 98 b4 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44 # [ 46.758602] RSP: 0018:ffffbd6f41797e50 EFLAGS: 00010246 # [ 46.764759] RAX: 0000000000000038 RBX: ffffbd6f41794000 RCX: 0000000000000000 # [ 46.773055] RDX: 0000000000000000 RSI: ffffa28f7bc1bf50 RDI: ffffffffb4983480 # [ 46.781349] RBP: ffffffffb4982baa R08: 0000000000000000 R09: 0000000000000000 # [ 46.789642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 46.797938] R13: ffffbd6f41797f10 R14: ffffbd6f41797f10 R15: ffffa28f061a9000 # [ 46.806235] FS: 00007f7676ff4580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 46.815601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.822333] CR2: ffffbd6f41793fff CR3: 0000000103c3a000 CR4: 00000000003506f0 # [ 46.830628] Call Trace: # [ 46.833666] <#DF> # [ 46.836222] ? __die_body.cold+0x1a/0x1f # [ 46.840920] ? die+0x2b/0x50 # [ 46.844442] ? handle_stack_overflow+0x3e/0x4d # [ 46.849722] ? no_context+0x24d/0x380 # [ 46.854118] # [ 46.856761] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 46.897003] ---[ end trace 3c5ada0d755306d7 ]--- # [ 46.902478] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.907168] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 46.928520] RS<6>[ 47.475375] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING P: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 46.934675] RAX:<6>[ 47.486443] lkdtm: attempting bad read from page above current stack ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 #<0>[ 47.500146] BUG: stack guard page was hit at 00000000dc2be0b0 (stack is 0000000006e13903..00000000cf53d4bb) <4>[ 47.517586] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 46.942968] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI:<4>[ 47.524716] CPU: 1 PID: 1012 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 47.539931] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 47.546870] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 47.553803] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 b8 34 98 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 f8 34 98 b4 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff <4>[ 47.575156] RSP: 0018:ffffbd6f4182fe50 EFLAGS: 00010246 <4>[ 47.581309] RAX: 0000000000000038 RBX: ffffbd6f4182c000 RCX: 0000000000000000 <4>[ 47.589598] RDX: 0000000000000000 RSI: ffffa28f7bc9bf50 RDI: ffffffffb49834f8 <4>[ 47.597885] RBP: ffffffffb4982bc3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.606178] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 47.614473] R13: ffffbd6f4182ff10 R14: ffffbd6f4182ff10 R15: ffffa28f05b84000 <4>[ 47.622770] FS: 00007fef51628580(0000) GS:ffffa28f7bc80000(0000) knlGS:0000000000000000 <4>[ 47.632136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.638870] CR2: ffffbd6f41830000 CR3: 0000000105362000 CR4: 00000000003506e0 <4>[ 47.647163] Call Trace: <4>[ 47.650202] <#DF> <4>[ 47.652757] ? __die_body.cold+0x1a/0x1f <4>[ 47.657456] ? die+0x2b/0x50 <4>[ 47.660980] ? handle_stack_overflow+0x3e/0x4d <4>[ 47.666256] ? no_context+0x24d/0x380 <4>[ 47.670652] ffffffffb44f84b0 # [ 46.951262] RBP: ffffffffb49e8ec8 R08: 0<4>[ 47.673292] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 47.719697] ---[ end trace 3c5ada0d755306d8 ]--- <4>[ 47.725173] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.729856] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 47.751198] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 47.757349] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.765634] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 47.773927] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.782219] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.790514] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 47.798807] FS: 00007fef51628580(0000) GS:ffffa28f7bc80000(0000) knlGS:0000000000000000 <4>[ 47.808171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.814906] CR2: ffffbd6f41830000 CR3: 0000000105362000 CR4: 00000000003506e0 000000000000001 R09: 0000000000000001 # [ 46.959554] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.967840] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 46.976127] FS: 00007f7676ff4580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 46.985493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.992230] CR2: ffffbd6f41793fff CR3: 0000000103c3a000 CR4: 00000000003506f0 # [ 47.000529] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 47.010773] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat # [ 47.019456] INFO: lockdep is turned off. # [ 47.024144] irq event stamp: 0 # [ 47.027862] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.035180] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.044643] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.054101] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.061424] CPU: 0 PID: 978 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 47.070301] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.077230] Call Trace: # [ 47.080273] dump_stack+0x77/0x9b # [ 47.084286] ___might_sleep.cold+0xa6/0xb6 # [ 47.089177] exit_signals+0x1c/0x300 # [ 47.093479] do_exit+0xc2/0xab0 # [ 47.097298] ? ksys_write+0x68/0xf0 # [ 47.101505] make_task_dead+0x2f/0x30 # [ 47.105905] rewind_stack_and_make_dead+0x17/0x20 # [ 47.111463] RIP: 0033:0x7f7676f0a473 # [ 47.115765] 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 # [ 47.137117] RSP: 002b:00007ffe6f7e66e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.145898] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7676f0a473 # [ 47.154189] RDX: 0000000000000019 RSI: 00007f7676dfe000 RDI: 0000000000000001 # [ 47.162484] RBP: 00007f7676dfe000 R08: 00007f7676dfd010 R09: 0000000000000000 # [ 47.170775] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.179065] 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 # [ 47.475375] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 47.486443] lkdtm: attempting bad read from page above current stack # [ 47.500146] BUG: stack guard page was hit at 00000000dc2be0b0 (stack is 0000000006e13903..00000000cf53d4bb) # [ 47.517586] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 47.524716] CPU: 1 PI<6>[ 48.103387] lkdtm: Performing direct entry UNSET_SMEP D: 1012 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <6>[ 48.109801] lkdtm: trying to clear SMEP normally # [ 47.539931] Hardware name: Google Coral/Coral, BIOS 09/29<4>[ 48.121521] ------------[ cut here ]------------ <4>[ 48.133247] pinned CR4 bits changed: 0x100000!? <4>[ 48.138655] WARNING: CPU: 0 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 /2020 # [ 47.546870] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILIN<4>[ 48.149200] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 48.195755] CPU: 0 PID: 1049 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 48.204783] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 48.211729] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 48.217228] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 48 08 88 b4 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 48.238591] RSP: 0018:ffffbd6f418bfe48 EFLAGS: 00010286 <4>[ 48.244764] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 <4>[ 48.253078] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 48.261389] RBP: ffffffffb4982bdd R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.269701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 48.278012] R13: ffffbd6f418bff10 R14: ffffbd6f418bff10 R15: ffffa28f03875000 <4>[ 48.286315] FS: 00007fd3b4862580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 48.295691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.302438] CR2: 00007fd3b466c000 CR3: 00000001063a0000 CR4: 00000000003506f0 <4>[ 48.310750] Call Trace: <4>[ 48.313815] ? __warn+0x80/0x110 <4>[ 48.317746] ? native_write_cr4+0x45/0x60 <4>[ 48.322548] ? report_bug+0x9e/0xc0 <4>[ 48.326773] ? handle_bug+0x41/0x90 <4>[ 48.330992] ? exc_invalid_op+0x14/0x70 <4>[ 48.335605] ? asm_exc_invalid_op+0x12/0x20 <4>[ 48.340616] ? native_write_cr4+0x45/0x60 <4>[ 48.345423] ? native_write_cr4+0x45/0x60 <4>[ 48.350239] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 48.355441] direct_entry.cold+0x2c/0x38 <4>[ 48.360147] full_proxy_write+0x56/0x80 <4>[ 48.364762] vfs_write+0xea/0x3b0 <4>[ 48.368795] ksys_write+0x68/0xf0 <4>[ 48.372828] do_syscall_64+0x33/0x40 <4>[ 48.377148] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 48.383126] RIP: 0033:0x7fd3b4778473 G+0x27/0x3d # [ 47.553803] Code: de fb ff 0f 1f 44 00 00 53 4<4>[ 48.387452] 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>[ 48.415029] RSP: 002b:00007ffe9daedb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.423835] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd3b4778473 <4>[ 48.432148] RDX: 000000000000000b RSI: 00007fd3b466c000 RDI: 0000000000000001 <4>[ 48.440462] RBP: 00007fd3b466c000 R08: 00007fd3b466b010 R09: 0000000000000000 <4>[ 48.448772] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.457086] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.465415] irq event stamp: 0 <4>[ 48.469143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.476489] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.485971] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.495458] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.502802] ---[ end trace 3c5ada0d755306d9 ]--- <6>[ 48.508289] lkdtm: ok: SMEP did not get cleared <6>[ 48.513677] lkdtm: trying to clear SMEP with call gadget <6>[ 48.519942] lkdtm: ok: SMEP removal was reverted 8 c7 c7 b8 34 98 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 f8 34 98 b4 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff # [ 47.575156] RSP: 0018:ffffbd6f4182fe50 EFLAGS: 00010246 # [ 47.581309] RAX: 0000000000000038 RBX: ffffbd6f4182c000 RCX: 0000000000000000 # [ 47.589598] RDX: 0000000000000000 RSI: ffffa28f7bc9bf50 RDI: ffffffffb49834f8 # [ 47.597885] RBP: ffffffffb4982bc3 R08: 0000000000000000 R09: 0000000000000000 # [ 47.606178] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 47.614473] R13: ffffbd6f4182ff10 R14: ffffbd6f4182ff10 R15: ffffa28f05b84000 # [ 47.622770] FS: 00007fef51628580(0000) GS:ffffa28f7bc80000(0000) knlGS:0000000000000000 # [ 47.632136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.638870] CR2: ffffbd6f41830000 CR3: 0000000105362000 CR4: 00000000003506e0 # [ 47.647163] Call Trace: # [ 47.650202] <#DF> # [ 47.652757] ? __die_body.cold+0x1a/0x1f # [ 47.657456] ? die+0x2b/0x50 # [ 47.660980] ? handle_stack_overflow+0x3e/0x4d # [ 47.666256] ? no_context+0x24d/0x380 # [ 47.670652] # [ 47.673292] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 47.719697] ---[ end trace 3c5ada0d755306d8 ]--- # [ 47.725173] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.729856] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 47.751198] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 47.757349] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.765634] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 47.773927] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 47.782219] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.790514] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 47.798807] FS: 00007fef51628580(0000) GS:ffffa28f7bc80000(0000) knlGS:0000000000000000 # [ 47.808171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.814906] CR2: ffffbd6f41830000 CR3: 0000000105362000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 48.103387] lkdtm: Performing direct entry UNSET_SMEP # [ 48.109801] lkdtm: trying to clear SMEP normally # [ 48.121521] ------------[ cut here ]------------ # [ 48.133247] pinned CR4 bits changed: 0x100000!? # [ 48.138655] WARNING: C<6>[ 48.813632] lkdtm: Performing direct entry DOUBLE_FAULT PU: 0 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write<3>[ 48.824837] lkdtm: XFAIL: this test is ia32-only _cr4+0x45/0x60 # [ 48.149200] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 48.195755] CPU: 0 PID: 1049 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 48.204783] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.211729] RIP: 0010:native_write_cr4+0x45/0x60 # [ 48.217228] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 48 08 88 b4 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 48.238591] RSP: 0018:ffffbd6f418bfe48 EFLAGS: 00010286 # [ 48.244764] RAX: 0000000000000000 RBX: 00000000002506f0 RCX: 0000000000000000 # [ 48.253078] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 48.261389] RBP: ffffffffb4982bdd R08: 0000000000000000 R09: 0000000000000000 # [ 48.269701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 48.278012] R13: ffffbd6f418bff10 R14: ffffbd6f418bff10 R15: ffffa28f03875000 # [ 48.286315] FS: 00007fd3b4862580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 48.295691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.302438] CR2: 00007fd3b466c000 CR3: 00000001063a0000 CR4: 00000000003506f0 # [ 48.310750] Call Trace: # [ 48.313815] ? __warn+0x80/0x110 # [ 48.317746] ? native_write_cr4+0x45/0x60 # [ 48.322548] ? report_bug+0x9e/0xc0 # [ 48.326773] ? handle_bug+0x41/0x90 # [ 48.330992] ? exc_invalid_op+0x14/0x70 # [ 48.335605] ? asm_exc_invalid_op+0x12/0x20 # [ 48.340616] ? native_write_cr4+0x45/0x60 # [ 48.345423] ? native_write_cr4+0x45/0x60 # [ 48.350239] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 48.355441] direct_entry.cold+0x2c/0x38 # [ 48.360147] full_proxy_write+0x56/0x80 # [ 48.364762] vfs_write+0xea/0x3b0 # [ 48.368795] ksys_write+0x68/0xf0 # [ 48.372828] do_syscall_64+0x33/0x40 # [ 48.377148] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.383126] RIP: 0033:0x7fd3b4778473 # [ 48.387452] 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 # [ 48.415029] RSP: 002b:00007ffe9daedb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.423835] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd3b4778473 # [ 48.432148] RDX: 000000000000000b RSI: 00007fd3b466c000 RDI: 0000000000000001 # [ 48.440462] RBP: 00007fd3b466c000 R08: 00007fd3b466b010 R09: 0000000000000000 # [ 48.448772] R10: fffffffff<6>[ 49.117375] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 49.129514] lkdtm: XFAIL: this test is arm64-only ffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.457086] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.465415] irq event stamp: 0 # [ 48.469143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.476489] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.485971] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.495458] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.502802] ---[ end trace 3c5ada0d755306d9 ]--- # [ 48.508289] lkdtm: ok: SMEP did not get cleared # [ 48.513677] lkdtm: trying to clear SMEP with call gadget # [ 48.519942] 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 # [ 48.813632] lkdtm: Performing direct entry DOUBLE_FAULT # [ 48.824837] 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 # [ 49.117375] lkdtm: Performing direct entry CORRUPT_PAC # [ 49.129514] 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>[ 49.398337] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 49.405907] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 49.398337] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 49.405907] 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>[ 49.957699] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 49.964204] lkdtm: Value in memory before free: 12345678 <6>[ 49.970496] lkdtm: Attempting bad read from freed memory <6>[ 49.976765] lkdtm: Memory was not poisoned # [ 49.957699] lkdtm: Performing direct entry READ_AFTER_FREE # [ 49.964204] lkdtm: Value in memory before free: 12345678 # [ 49.970496] lkdtm: Attempting bad read from freed memory # [ 49.976765] 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>[ 50.371019] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 50.378138] lkdtm: Value in memory before free: 12345678 <6>[ 50.384412] lkdtm: Attempting to read from freed memory <6>[ 50.390583] lkdtm: Buddy page was not poisoned # [ 50.371019] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 50.378138] lkdtm: Value in memory before free: 12345678 # [ 50.384412] lkdtm: Attempting to read from freed memory # [ 50.390583] 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>[ 50.660534] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 50.667138] lkdtm: Attempting double slab free ... # [ 50.660534] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 50.667138] 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>[ 50.939291] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 50.945776] lkdtm: Attempting cross-cache slab free ... # [ 50.939291] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 50.945776] 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>[ 51.217503] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 51.223882] lkdtm: Attempting non-Slab slab free ... # [ 51.217503] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 51.223882] 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>[ 51.994176] lkdtm: Performing direct entry EXEC_DATA <6>[ 52.000087] lkdtm: attempting ok execution at ffffffffb337c2d0 <6>[ 52.006946] lkdtm: attempting bad execution at ffffffffb6433d40 <2>[ 52.013947] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 52.022631] BUG: unable to handle page fault for address: ffffffffb6433d40 <1>[ 52.030635] #PF: supervisor instruction fetch in kernel mode <1>[ 52.037275] #PF: error_code(0x0011) - permissions violation <6>[ 52.043817] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 80000001724000e3 <4>[ 52.051932] Oops: 0011 [#5] SMP PTI <4>[ 52.056135] CPU: 3 PID: 1572 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 52.065102] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.072042] RIP: 0010:data_area+0x0/0x40 <4>[ 52.076736] Code: ff ff 00 43 81 00 8f a2 ff ff 00 42 81 00 8f a2 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>[ 52.098089] RSP: 0018:ffffbd6f420afe48 EFLAGS: 00010246 <4>[ 52.104241] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.112529] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 <4>[ 52.120820] RBP: ffffffffb6433d40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.129115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 52.137406] R13: ffffbd6f420aff10 R14: ffffbd6f420aff10 R15: ffffa28f0299d000 <4>[ 52.145703] FS: 00007f5181a86580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 <4>[ 52.155066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.161800] CR2: ffffffffb6433d40 CR3: 0000000105af2000 CR4: 00000000003506e0 <4>[ 52.170090] Call Trace: <4>[ 52.173134] ? __die_body.cold+0x1a/0x1f <4>[ 52.177829] ? no_context+0x177/0x380 <4>[ 52.182232] ? exc_page_fault+0xd7/0x170 <4>[ 52.186926] ? asm_exc_page_fault+0x1e/0x30 <4>[ 52.191923] ? execute_location+0x48/0x56 <4>[ 52.196712] ? direct_entry.cold+0x2c/0x38 <4>[ 52.201594] ? full_proxy_write+0x56/0x80 <4>[ 52.206386] ? vfs_write+0xea/0x3b0 <4>[ 52.210593] ? ksys_write+0x68/0xf0 <4>[ 52.214798] ? do_syscall_64+0x33/0x40 <4>[ 52.219295] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 52.225453] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 52.265686] CR2: ffffffffb6433d40 <4>[ 52.269687] ---[ end trace 3c5ada0d755306da ]--- <4>[ 52.275148] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 52.279836] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 52.301184] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 52.307334] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.315629] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 52.323922] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 52.332213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 52.340507] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 52.348800] FS: 00007f5181a86580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 <4>[ 52.358165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.364902] CR2: ffffffffb6433d40 CR3: 0000000105af2000 CR4: 00000000003506e0 <3>[ 52.373198] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 52.383438] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat <4>[ 52.392218] INFO: lockdep is turned off. <4>[ 52.396904] irq event stamp: 0 <4>[ 52.400622] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.407943] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.417405] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.426867] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.434185] CPU: 3 PID: 1572 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 52.443156] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.450081] Call Trace: <4>[ 52.453123] dump_stack+0x77/0x9b <4>[ 52.457139] ___might_sleep.cold+0xa6/0xb6 <4>[ 52.462032] exit_signals+0x1c/0x300 <4>[ 52.466335] do_exit+0xc2/0xab0 <4>[ 52.470152] ? ksys_write+0x68/0xf0 <4>[ 52.474360] make_task_dead+0x2f/0x30 <4>[ 52.478763] rewind_stack_and_make_dead+0x17/0x20 <4>[ 52.484329] RIP: 0033:0x7f518199c473 <4>[ 52.488630] 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>[ 52.509976] RSP: 002b:00007fffc8322f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.518758] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f518199c473 <4>[ 52.527052] RDX: 000000000000000a RSI: 00007f5181890000 RDI: 0000000000000001 <4>[ 52.535345] RBP: 00007f5181890000 R08: 00007f518188f010 R09: 0000000000000000 <4>[ 52.543636] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.551927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 51.994176] lkdtm: Performing direct entry EXEC_DATA # [ 52.000087] lkdtm: attempting ok execution at ffffffffb337c2d0 # [ 52.006946] lkdtm: attempting bad execution at ffffffffb6433d40 # [ 52.013947] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.022631] BUG: unable to handle page fault for address: ffffffffb6433d40 # [ 52.030635] #PF: supervisor instruction fetch in kernel mode # [ 52.037275] #PF: error_code(0x0011) - permissions violation # [ 52.043817] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 80000001724000e3 # [ 52.051932] Oops: 0011 [#5] SMP PTI # [ 52.056135] CPU: 3 PID: 1572 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 52.065102] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.072042] RIP: 0010:data_area+0x0/0x40 # [ 52.076736] Code: ff ff 00 43 81 00 8f a2 ff ff 00 42 81 00 8f a2 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 # [ 52.098089] RSP: 0018:ffffbd6f420afe48 EFLAGS: 00010246 # [ 52.104241] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.112529] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 # [ 52.120820] RBP: ffffffffb6433d40 R08: 0000000000000000 R09: 0000000000000000 # [ 52.129115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 52.137406] R13: ffffbd6f420aff10 R14: ffffbd6f420aff10 R15: ffffa28f0299d000 # [ 52.145703] FS: 00007f5181a86580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 # [ 52.155066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.161800] CR2: ffffffffb6433d40 CR3: 0000000105af2000 CR4: 00000000003506e0 # [ 52.170090] Call Trace: # [ 52.173134] ? __die_body.cold+0x1a/0x1f # [ 52.177829] ? no_context+0x177/0x380 # [ 52.182232] ? exc_page_fault+0xd7/0x170 # [ 52.186926] ? asm_exc_page_fault+0x1e/0x30 # [ 52.191923] ? execute_location+0x48/0x56 # [ 52.196712] ? direct_entry.cold+0x2c/0x38 # [ 52.201594] ? full_proxy_write+0x56/0x80 # [ 52.206386] ? vfs_write+0xea/0x3b0 # [ 52.210593] ? ksys_write+0x68/0xf0 # [ 52.214798] ? do_syscall_64+0x33/0x40 # [ 52.219295] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.225453] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 52.265686] CR2: ffffffffb6433d40 # [ 52.269687] ---[ end trace 3c5ada0d755306da ]--- # [ 52.275148] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.279836] Code: 89 ff e8 5e d4 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<6>[ 52.914681] lkdtm: Performing direct entry EXEC_STACK <6>[ 52.925257] lkdtm: attempting ok execution at ffffffffb337c2d0 <6>[ 52.932134] lkdtm: attempting bad execution at ffffbd6f4215fe18 <2>[ 52.939105] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 52.947780] BUG: unable to handle page fault for address: ffffbd6f4215fe18 <1>[ 52.955780] #PF: supervisor instruction fetch in kernel mode <1>[ 52.962413] #PF: error_code(0x0011) - permissions violation <6>[ 52.968955] PGD 100000067 P4D 100000067 PUD 100248067 PMD 102ce6067 PTE 8000000105a16063 <4>[ 52.978337] Oops: 0011 [#6] SMP PTI <4>[ 52.982541] CPU: 2 PID: 1609 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 52.991510] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.998445] RIP: 0010:0xffffbd6f4215fe18 <4>[ 53.003136] Code: 00 00 18 fe 15 42 6f bd ff ff 33 f6 a5 b3 ff ff ff ff 20 00 00 00 00 00 00 00 06 2d 98 b4 ff ff ff ff 5f f7 a5 b3 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>[ 53.024487] RSP: 0018:ffffbd6f4215fdf8 EFLAGS: 00010246 <4>[ 53.030642] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.038933] RDX: 0000000000000000 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 <4>[ 53.047222] RBP: ffffbd6f4215fe18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.055511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 53.063805] R13: ffffbd6f4215ff10 R14: ffffbd6f4215ff10 R15: ffffa28f028fd000 <4>[ 53.072093] FS: 00007f3bd4c78580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 53.081450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.088181] CR2: ffffbd6f4215fe18 CR3: 0000000106344000 CR4: 00000000003506e0 <4>[ 53.096470] Call Trace: <4>[ 53.099519] ? __die_body.cold+0x1a/0x1f <4>[ 53.104217] ? no_context+0x177/0x380 <4>[ 53.108622] ? exc_page_fault+0xd7/0x170 <4>[ 53.113315] ? asm_exc_page_fault+0x1e/0x30 <4>[ 53.118309] ? execute_location+0x48/0x56 <4>[ 53.123098] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 53.127879] ? direct_entry.cold+0x2c/0x38 <4>[ 53.132769] ? full_proxy_write+0x56/0x80 <4>[ 53.137558] ? vfs_write+0xea/0x3b0 <4>[ 53.141764] ? ksys_write+0x68/0xf0 <4>[ 53.145964] ? do_syscall_64+0x33/0x40 <4>[ 53.150460] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 # <4>[ 53.156608] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 53.203061] CR2: ffffbd6f4215fe18 <4>[ 53.207064] ---[ end trace 3c5ada0d755306db ]--- <4>[ 53.212536] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.217224] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 53.238572] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 53.244713] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.253004] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 53.261297] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.269586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.277879] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 53.286171] FS: 00007f3bd4c78580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 53.295536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.302269] CR2: ffffbd6f4215fe18 CR3: 0000000106344000 CR4: 00000000003506e0 [ 52.301184] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 52.307334] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.315629] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 52.323922] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 52.332213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.340507] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 52.348800] FS: 00007f5181a86580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 # [ 52.358165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.364902] CR2: ffffffffb6433d40 CR3: 0000000105af2000 CR4: 00000000003506e0 # [ 52.373198] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.383438] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat # [ 52.392218] INFO: lockdep is turned off. # [ 52.396904] irq event stamp: 0 # [ 52.400622] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.407943] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.417405] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.426867] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.434185] CPU: 3 PID: 1572 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 52.443156] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.450081] Call Trace: # [ 52.453123] dump_stack+0x77/0x9b # [ 52.457139] ___might_sleep.cold+0xa6/0xb6 # [ 52.462032] exit_signals+0x1c/0x300 # [ 52.466335] do_exit+0xc2/0xab0 # [ 52.470152] ? ksys_write+0x68/0xf0 # [ 52.474360] make_task_dead+0x2f/0x30 # [ 52.478763] rewind_stack_and_make_dead+0x17/0x20 # [ 52.484329] RIP: 0033:0x7f518199c473 # [ 52.488630] 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 # [ 52.509976] RSP: 002b:00007fffc8322f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.518758] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f518199c473 # [ 52.527052] RDX: 000000000000000a RSI: 00007f5181890000 RDI: 0000000000000001 # [ 52.535345] RBP: 00007f5181890000 R08: 00007f518188f010 R09: 0000000000000000 # [ 52.543636] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.551927] 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 # [ 52.914681] lkdtm: Performing direct entry EXEC_STACK # [ 52.925257] lkdtm: attempting ok execution at ffffffffb337c2d0 # [ 52.932134] lkdtm: attempting bad execution at ffffbd6f4215fe18 # [ 52.939105] kernel tried to execute NX-protected page - exploit atte<6>[ 53.603221] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 53.609936] lkdtm: attempting ok execution at ffffffffb337c2d0 <6>[ 53.616803] lkdtm: attempting bad execution at ffffa28f03118740 <2>[ 53.623780] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 53.632458] BUG: unable to handle page fault for address: ffffa28f03118740 <1>[ 53.640462] #PF: supervisor instruction fetch in kernel mode <1>[ 53.647096] #PF: error_code(0x0011) - permissions violation <6>[ 53.653632] PGD 172601067 P4D 172601067 PUD 10087e063 PMD 10304f063 PTE 8000000103118063 <4>[ 53.663016] Oops: 0011 [#7] SMP PTI <4>[ 53.667222] CPU: 2 PID: 1646 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 53.676201] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.683137] RIP: 0010:0xffffa28f03118740 <4>[ 53.687830] Code: 00 00 02 00 00 00 00 00 00 00 00 81 11 03 8f a2 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 8f b2 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>[ 53.709183] RSP: 0018:ffffbd6f421f7e38 EFLAGS: 00010246 <4>[ 53.715334] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.723629] RDX: 0000000000000000 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 <4>[ 53.731919] RBP: ffffa28f03118740 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.740211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 53.748504] R13: ffffbd6f421f7f10 R14: ffffbd6f421f7f10 R15: ffffa28f02983000 <4>[ 53.756799] FS: 00007fe27c460580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 53.766166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.772901] CR2: ffffa28f03118740 CR3: 0000000102bd8000 CR4: 00000000003506e0 <4>[ 53.781194] Call Trace: <4>[ 53.784245] ? __die_body.cold+0x1a/0x1f <4>[ 53.788944] ? no_context+0x177/0x380 <4>[ 53.793348] ? exc_page_fault+0xd7/0x170 <4>[ 53.798042] ? asm_exc_page_fault+0x1e/0x30 <4>[ 53.803039] ? execute_location+0x48/0x56 <4>[ 53.807830] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 53.812813] ? direct_entry.cold+0x2c/0x38 <4>[ 53.817700] ? full_proxy_write+0x56/0x80 <4>[ 53.822490] ? vfs_write+0xea/0x3b0 <4>[ 53.826695] ? ksys_write+0x68/0xf0 <4>[ 53.830900] ? do_syscall_64+0x33/0x40 <4>[ 53.835394] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 mpt? (uid: 0) # [ 52.947780] BUG: unable to handle page fault<4>[ 53.841553] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 53.888006] CR2: ffffa28f03118740 <4>[ 53.892017] ---[ end trace 3c5ada0d755306dc ]--- <4>[ 53.897486] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.902173] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 53.923517] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 53.929670] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.937960] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 53.946247] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.954534] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.962827] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 53.971119] FS: 00007fe27c460580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 53.980479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.987209] CR2: ffffa28f03118740 CR3: 0000000102bd8000 CR4: 00000000003506e0 <3>[ 53.995505] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 54.005734] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, name: cat <4>[ 54.014515] INFO: lockdep is turned off. <4>[ 54.019200] irq event stamp: 0 <4>[ 54.022914] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.030235] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.039700] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.049161] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.056484] CPU: 2 PID: 1646 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 54.065460] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.072388] Call Trace: <4>[ 54.075430] dump_stack+0x77/0x9b <4>[ 54.079441] ___might_sleep.cold+0xa6/0xb6 <4>[ 54.084331] exit_signals+0x1c/0x300 <4>[ 54.088630] do_exit+0xc2/0xab0 <4>[ 54.092445] ? ksys_write+0x68/0xf0 <4>[ 54.096642] make_task_dead+0x2f/0x30 <4>[ 54.101036] rewind_stack_and_make_dead+0x17/0x20 <4>[ 54.106600] RIP: 0033:0x7fe27c376473 <4>[ 54.110900] 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>[ 54.132246] RSP: 002b:00007ffd9161dd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.141032] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fe27c376473 <4>[ 54.149326] RDX: 000000000000000d RSI: 00007fe27c26a000 RDI: 0000000000000001 <4>[ 54.157620] RBP: 00007fe27c26a000 R08: 00007fe27c269010 R09: 0000000000000000 <4>[ 54.165912] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.174203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 for address: ffffbd6f4215fe18 # [ 52.955780] #PF: supervisor instruction fetch in kernel mode # [ 52.962413] #PF: error_code(0x0011) - permissions violation # [ 52.968955] PGD 100000067 P4D 100000067 PUD 100248067 PMD 102ce6067 PTE 8000000105a16063 # [ 52.978337] Oops: 0011 [#6] SMP PTI # [ 52.982541] CPU: 2 PID: 1609 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 52.991510] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.998445] RIP: 0010:0xffffbd6f4215fe18 # [ 53.003136] Code: 00 00 18 fe 15 42 6f bd ff ff 33 f6 a5 b3 ff ff ff ff 20 00 00 00 00 00 00 00 06 2d 98 b4 ff ff ff ff 5f f7 a5 b3 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 # [ 53.024487] RSP: 0018:ffffbd6f4215fdf8 EFLAGS: 00010246 # [ 53.030642] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.038933] RDX: 0000000000000000 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 # [ 53.047222] RBP: ffffbd6f4215fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 53.055511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 53.063805] R13: ffffbd6f4215ff10 R14: ffffbd6f4215ff10 R15: ffffa28f028fd000 # [ 53.072093] FS: 00007f3bd4c78580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 53.081450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.088181] CR2: ffffbd6f4215fe18 CR3: 0000000106344000 CR4: 00000000003506e0 # [ 53.096470] Call Trace: # [ 53.099519] ? __die_body.cold+0x1a/0x1f # [ 53.104217] ? no_context+0x177/0x380 # [ 53.108622] ? exc_page_fault+0xd7/0x170 # [ 53.113315] ? asm_exc_page_fault+0x1e/0x30 # [ 53.118309] ? execute_location+0x48/0x56 # [ 53.123098] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 53.127879] ? direct_entry.cold+0x2c/0x38 # [ 53.132769] ? full_proxy_write+0x56/0x80 # [ 53.137558] ? vfs_write+0xea/0x3b0 # [ 53.141764] ? ksys_write+0x68/0xf0 # [ 53.145964] ? do_syscall_64+0x33/0x40 # [ 53.150460] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.156608] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 53.203061] CR2: ffffbd6f4215fe18 # [ 53.207064] ---[ end trace 3c5ada0d755306db ]--- # [ 53.212536] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.217224] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 53.238572] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 53.244713] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.253004] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 53.261297] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 53.269586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.277879] R13: ffffbd6f41287f<6>[ 54.500288] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 54.506777] lkdtm: attempting ok execution at ffffffffb337c2d0 <6>[ 54.513637] lkdtm: attempting bad execution at ffffbd6f40655000 10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 53.286171]<2>[ 54.520622] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.535503] BUG: unable to handle page fault for address: ffffbd6f40655000 <1>[ 54.543504] #PF: supervisor instruction fetch in kernel mode <1>[ 54.550140] #PF: error_code(0x0011) - permissions violation FS: 00007f3bd4c78580(0000) GS:ffffa28f7bd00000(0000) knlGS:000<6>[ 54.556681] PGD 100000067 P4D 100000067 PUD 100248067 PMD 105af6067 PTE 8000000104ff5063 <4>[ 54.572280] Oops: 0011 [#8] SMP PTI 0000000000000 # [ 53.295536] CS: 0010 DS: 0000 ES: 0000 CR0:<4>[ 54.576489] CPU: 0 PID: 1683 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 54.591688] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000080050033 # [ 53.302269] CR2: ffffbd6f4215fe18 CR3: 0<4>[ 54.598623] RIP: 0010:0xffffbd6f40655000 <4>[ 54.609542] Code: Unable to access opcode bytes at RIP 0xffffbd6f40654fd6. <4>[ 54.617542] RSP: 0018:ffffbd6f4229fe38 EFLAGS: 00010246 <4>[ 54.623695] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.631988] RDX: 0000000000000000 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 54.640281] RBP: ffffbd6f40655000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.648572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 54.656865] R13: ffffbd6f4229ff10 R14: ffffbd6f4229ff10 R15: ffffa28f04ff5000 <4>[ 54.665159] FS: 00007f9a17399580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 54.674525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.681260] CR2: ffffbd6f40654fd6 CR3: 000000010278a000 CR4: 00000000003506f0 <4>[ 54.689551] Call Trace: <4>[ 54.692600] ? __die_body.cold+0x1a/0x1f <4>[ 54.697297] ? no_context+0x177/0x380 <4>[ 54.701702] ? exc_page_fault+0xd7/0x170 <4>[ 54.706393] ? asm_exc_page_fault+0x1e/0x30 <4>[ 54.711382] ? execute_location+0x48/0x56 <4>[ 54.716173] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 54.721156] ? direct_entry.cold+0x2c/0x38 <4>[ 54.726047] ? full_proxy_write+0x56/0x80 <4>[ 54.730838] ? vfs_write+0xea/0x3b0 <4>[ 54.735043] ? ksys_write+0x68/0xf0 <4>[ 54.739252] ? do_syscall_64+0x33/0x40 <4>[ 54.743748] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 000000106344000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call t<4>[ 54.749905] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 54.796358] CR2: ffffbd6f40655000 <4>[ 54.800369] ---[ end trace 3c5ada0d755306dd ]--- <4>[ 54.805839] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.810529] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 54.831883] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 54.838024] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.846317] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 54.854611] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.862904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.871197] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 54.879493] FS: 00007f9a17399580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 54.888860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.895591] CR2: ffffbd6f40654fd6 CR3: 000000010278a000 CR4: 00000000003506f0 race:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 53.603221] lkdtm: Performing direct entry EXEC_KMALLOC # [ 53.609936] lkdtm: attempting ok execution at ffffffffb337c2d0 # [ 53.616803] lkdtm: attempting bad execution at ffffa28f03118740 # [ 53.623780] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.632458] BUG: unable to handle page fault for address: ffffa28f03118740 # [ 53.640462] #PF: supervisor instruction fetch in kernel mode # [ 53.647096] #PF: error_code(0x0011) - permissions violation # [ 53.653632] PGD 172601067 P4D 172601067 PUD 10087e063 PMD 10304f063 PTE 8000000103118063 # [ 53.663016] Oops: 0011 [#7] SMP PTI # [ 53.667222] CPU: 2 PID: 1646 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 53.676201] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.683137] RIP: 0010:0xffffa28f03118740 # [ 53.687830] Code: 00 00 02 00 00 00 00 00 00 00 00 81 11 03 8f a2 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 eb f2 8f b2 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 # [ 53.709183] RSP: 0018:ffffbd6f421f7e38 EFLAGS: 00010246 # [ 53.715334] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.723629] RDX: 0000000000000000 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 # [ 53.731919] RBP: ffffa28f03118740 R08: 0000000000000000 R09: 0000000000000000 # [ 53.740211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.748504] R13: ffffbd6f421f7f10 R14: ffffbd6f421f7f10 R15: ffffa28f02983000 # [ 53.756799] FS: 00007fe27c460580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 53.766166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.772901] CR2: ffffa28f03118740 CR3: 0000000102bd8000 CR4: 00000000003506e0 # [ 53.781194] Call Trace: # [ 53.784245] ? __die_body.cold+0x1a/0x1f # [ 53.788944] ? no_context+0x177/0x380 # [ 53.793348] ? exc_page_fault+0xd7/0x170 # [ 53.798042] ? asm_exc_page_fault+0x1e/0x30 # [ 53.803039] ? execute_location+0x48/0x56 # [ 53.807830] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 53.812813] ? direct_entry.cold+0x2c/0x38 # [ 53.817700] ? full_proxy_write+0x56/0x80 # [ 53.822490] ? vfs_write+0xea/0x3b0 # [ 53.826695] ? ksys_write+0x68/0xf0 # [ 53.830900] ? do_syscall_64+0x33/0x40 # [ 53.835394] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.841553] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chro<6>[ 55.179142] lkdtm: Performing direct entry EXEC_RODATA <6>[ 55.190650] lkdtm: attempting ok execution at ffffffffb337c2d0 <6>[ 55.197518] lkdtm: attempting bad execution at ffffffffb44f8940 <2>[ 55.204478] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 55.213154] BUG: unable to handle page fault for address: ffffffffb44f8940 meos_pstore coreboot_table # [ 53.888006] CR2: ffffa28f031187<1>[ 55.221158] #PF: supervisor instruction fetch in kernel mode <1>[ 55.234017] #PF: error_code(0x0011) - permissions violation 40 # [ 53.892017] ---[ end trace 3c5ada0d755306dc ]--- # [ <6>[ 55.240556] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 80000001704001e1 <4>[ 55.254899] Oops: 0011 [#9] SMP PTI 53.897486] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.902173] Code:<4>[ 55.259105] CPU: 0 PID: 1720 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 55.274308] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.281248] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 55.287305] Code: ff ff cf 0b a6 b3 ff ff ff ff 52 2f 98 b4 ff ff ff ff 15 f3 a5 b3 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>[ 55.308645] RSP: 0018:ffffbd6f42327e48 EFLAGS: 00010246 <4>[ 55.314801] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 55.323097] RDX: 0000000000000000 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 55.331393] RBP: ffffffffb44f8940 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.339686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 55.347982] R13: ffffbd6f42327f10 R14: ffffbd6f42327f10 R15: ffffa28f03c21000 <4>[ 55.356277] FS: 00007fa53965b580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 55.365645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.372380] CR2: ffffffffb44f8940 CR3: 0000000106656000 CR4: 00000000003506f0 <4>[ 55.380673] Call Trace: <4>[ 55.383720] ? __die_body.cold+0x1a/0x1f <4>[ 55.388417] ? no_context+0x177/0x380 <4>[ 55.392822] ? exc_page_fault+0xd7/0x170 <4>[ 55.397514] ? asm_exc_page_fault+0x1e/0x30 <4>[ 55.402499] ? execute_location+0x48/0x56 <4>[ 55.407288] ? direct_entry.cold+0x2c/0x38 <4>[ 55.412179] ? full_proxy_write+0x56/0x80 <4>[ 55.416970] ? vfs_write+0xea/0x3b0 <4>[ 55.421174] ? ksys_write+0x68/0xf0 <4>[ 55.425381] ? do_syscall_64+0x33/0x40 <4>[ 55.429878] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 89 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff <4>[ 55.436036] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 55.482494] CR2: ffffffffb44f8940 <4>[ 55.486507] ---[ end trace 3c5ada0d755306de ]--- <4>[ 55.491982] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.496673] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 55.518001] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 55.524148] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.532441] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 55.540735] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.549029] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.557316] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 55.565610] FS: 00007fa53965b580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 55.574975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.581712] CR2: ffffffffb44f8940 CR3: 0000000106656000 CR4: 00000000003506f0 <3>[ 55.590010] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 55.600254] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat <4>[ 55.609032] INFO: lockdep is turned off. <4>[ 55.613716] irq event stamp: 0 <4>[ 55.617426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.624747] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.634206] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.643671] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.650993] CPU: 0 PID: 1720 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 55.659971] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.666899] Call Trace: <4>[ 55.669940] dump_stack+0x77/0x9b <4>[ 55.673952] ___might_sleep.cold+0xa6/0xb6 <4>[ 55.678836] exit_signals+0x1c/0x300 <4>[ 55.683136] do_exit+0xc2/0xab0 <4>[ 55.686945] ? ksys_write+0x68/0xf0 <4>[ 55.691153] make_task_dead+0x2f/0x30 <4>[ 55.695551] rewind_stack_and_make_dead+0x17/0x20 <4>[ 55.701118] RIP: 0033:0x7fa539571473 <4>[ 55.705421] 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>[ 55.726770] RSP: 002b:00007ffdf70bf9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.735549] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa539571473 <4>[ 55.743844] RDX: 000000000000000c RSI: 00007fa539465000 RDI: 0000000000000001 <4>[ 55.752136] RBP: 00007fa539465000 R08: 00007fa539464010 R09: 0000000000000000 <4>[ 55.760428] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.768721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 f0 7d 0b 03 # [ 53.923517] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 53.929670] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.937960] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 53.946247] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 53.954534] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.962827] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 53.971119] FS: 00007fe27c460580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 53.980479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.987209] CR2: ffffa28f03118740 CR3: 0000000102bd8000 CR4: 00000000003506e0 # [ 53.995505] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.005734] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, name: cat # [ 54.014515] INFO: lockdep is turned off. # [ 54.019200] irq event stamp: 0 # [ 54.022914] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.030235] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.039700] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.049161] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.056484] CPU: 2 PID: 1646 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 54.065460] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.072388] Call Trace: # [ 54.075430] dump_stack+0x77/0x9b # [ 54.079441] ___might_sleep.cold+0xa6/0xb6 # [ 54.084331] exit_signals+0x1c/0x300 # [ 54.088630] do_exit+0xc2/0xab0 # [ 54.092445] ? ksys_write+0x68/0xf0 # [ 54.096642] make_task_dead+0x2f/0x30 # [ 54.101036] rewind_stack_and_make_dead+0x17/0x20 # [ 54.106600] RIP: 0033:0x7fe27c376473 # [ 54.110900] 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 # [ 54.132246] RSP: 002b:00007ffd9161dd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.141032] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fe27c376473 # [ 54.149326] RDX: 000000000000000d RSI: 00007fe27c26a000 RDI: 0000000000000001 # [ 54.157620] RBP: 00007fe27c26a000 R08: 00007fe27c269010 R09: 0000000000000000 # [ 54.165912] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.174203] 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 # [ 54.500288] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.506777] lkdtm: attempting ok execution at ffffffffb337c2d0 # [ 54.513637] lkdtm: attempting bad execution at ffffbd6f40655000 # [ 54.520622] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.535503] BUG: unable to handle page fault for address: ffffbd6f40655000 # [ 54.543504]<6>[ 56.091177] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 56.101191] lkdtm: attempting ok execution at ffffffffb337c2d0 #PF: supervisor instruction fetch in kernel mode # [ 54.5501<6>[ 56.108120] lkdtm: attempting bad execution at 00007fb13b63b000 40] #PF: error_code(0x0011) - permissions violation # [ 54.55<2>[ 56.121247] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 56.134155] BUG: unable to handle page fault for address: 00007fb13b63b000 <1>[ 56.142154] #PF: supervisor instruction fetch in kernel mode <1>[ 56.148788] #PF: error_code(0x0011) - permissions violation 6681] PGD 100000067 P4D 100000067 PUD 100248067 PMD 105af6067 PT<6>[ 56.155332] PGD 80000001066b9067 P4D 80000001066b9067 PUD 1013c1067 PMD 10304d067 PTE 10be11067 <4>[ 56.171629] Oops: 0011 [#10] SMP PTI E 8000000104ff5063 # [ 54.572280] Oops: 0011 [#8] SMP PTI # <4>[ 56.175935] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 56.191136] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.198069] RIP: 0010:0x7fb13b63b000 <4>[ 56.202368] Code: Unable to access opcode bytes at RIP 0x7fb13b63afd6. <4>[ 56.209981] RSP: 0018:ffffbd6f4239fe50 EFLAGS: 00010246 <4>[ 56.216136] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 56.224431] RDX: 0000000000000000 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 <4>[ 56.232724] RBP: 00007fb13b63b000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.241018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 56.249313] R13: ffffbd6f4239ff10 R14: ffffbd6f4239ff10 R15: ffffa28f061d1000 <4>[ 56.257604] FS: 00007fb13b60c580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 56.266971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.273705] CR2: 00007fb13b63b000 CR3: 000000010278a000 CR4: 00000000003506e0 <4>[ 56.281989] Call Trace: <4>[ 56.285039] ? __die_body.cold+0x1a/0x1f <4>[ 56.289738] ? no_context+0x177/0x380 <4>[ 56.294141] ? exc_page_fault+0x53/0x170 <4>[ 56.298832] ? asm_exc_page_fault+0x1e/0x30 <4>[ 56.303821] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae <4>[ 56.309486] ? direct_entry.cold+0x2c/0x38 <4>[ 56.314375] ? full_proxy_write+0x56/0x80 <4>[ 56.319168] ? vfs_write+0xea/0x3b0 <4>[ 56.323375] ? ksys_write+0x68/0xf0 <4>[ 56.327584] ? do_syscall_64+0x33/0x40 <4>[ 56.332081] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4[ 54.576489] CPU: 0 PID: 1683 Comm: cat Tainted: G D W >[ 56.338241] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 56.384617] CR2: 00007fb13b63b000 <4>[ 56.388628] ---[ end trace 3c5ada0d755306df ]--- <4>[ 56.394090] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 56.398780] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 56.420122] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 56.426275] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.434571] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 56.442860] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 56.451157] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 56.459448] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 56.467743] FS: 00007fb13b60c580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 56.477105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.483840] CR2: 00007fb13b63b000 CR3: 000000010278a000 CR4: 00000000003506e0 5.10.207-cip41 #1 # [ 54.591688] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.598623] RIP: 0010:0xffffbd6f40655000 # [ 54.609542] Code: Unable to access opcode bytes at RIP 0xffffbd6f40654fd6. # [ 54.617542] RSP: 0018:ffffbd6f4229fe38 EFLAGS: 00010246 # [ 54.623695] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.631988] RDX: 0000000000000000 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 54.640281] RBP: ffffbd6f40655000 R08: 0000000000000000 R09: 0000000000000000 # [ 54.648572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.656865] R13: ffffbd6f4229ff10 R14: ffffbd6f4229ff10 R15: ffffa28f04ff5000 # [ 54.665159] FS: 00007f9a17399580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 54.674525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.681260] CR2: ffffbd6f40654fd6 CR3: 000000010278a000 CR4: 00000000003506f0 # [ 54.689551] Call Trace: # [ 54.692600] ? __die_body.cold+0x1a/0x1f # [ 54.697297] ? no_context+0x177/0x380 # [ 54.701702] ? exc_page_fault+0xd7/0x170 # [ 54.706393] ? asm_exc_page_fault+0x1e/0x30 # [ 54.711382] ? execute_location+0x48/0x56 # [ 54.716173] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 54.721156] ? direct_entry.cold+0x2c/0x38 # [ 54.726047] ? full_proxy_write+0x56/0x80 # [ 54.730838] ? vfs_write+0xea/0x3b0 # [ 54.735043] ? ksys_write+0x68/0xf0 # [ 54.739252] ? do_syscall_64+0x33/0x40 # [ 54.743748] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.749905] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 54.796358] CR2: ffffbd6f40655000 # [ 54.800369] ---[ end trace 3c5ada0d755306dd ]--- # [ 54.805839] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.810529] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 54.831883] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 54.838024] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.846317] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 54.854611] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 54.862904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.871197] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 54.879493] FS: 00007f9a17399580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 54.888860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.895591] CR2: ffffbd6f40654fd6 CR3: 000000010278a000 CR4: 00000000003506f0 # EXEC_VMALLOC: <6>[ 56.786017] lkdtm: Performing direct entry EXEC_NULL <6>[ 56.797363] lkdtm: attempting ok execution at ffffffffb337c2d0 <6>[ 56.804243] lkdtm: attempting bad execution at 0000000000000000 <1>[ 56.811212] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 56.819311] #PF: supervisor instruction fetch in kernel mode <1>[ 56.825940] #PF: error_code(0x0010) - not-present page <6>[ 56.831994] PGD 0 P4D 0 <4>[ 56.835135] Oops: 0010 [#11] SMP PTI <4>[ 56.839431] CPU: 0 PID: 1794 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 56.848407] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.855339] RIP: 0010:0x0 <4>[ 56.858576] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 56.866579] RSP: 0018:ffffbd6f42457e48 EFLAGS: 00010246 <4>[ 56.872733] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 56.881026] RDX: 0000000000000000 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 56.889320] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.897612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 56.905904] R13: ffffbd6f42457f10 R14: ffffbd6f42457f10 R15: ffffa28f064b2000 <4>[ 56.914196] FS: 00007f0b003e3580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 56.923561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.930295] CR2: ffffffffffffffd6 CR3: 0000000103606000 CR4: 00000000003506f0 <4>[ 56.938588] Call Trace: <4>[ 56.941636] ? __die_body.cold+0x1a/0x1f <4>[ 56.946332] ? no_context+0x177/0x380 <4>[ 56.950736] ? exc_page_fault+0x53/0x170 <4>[ 56.955428] ? asm_exc_page_fault+0x1e/0x30 <4>[ 56.960424] execute_location+0x48/0x56 <4>[ 56.965019] direct_entry.cold+0x2c/0x38 <4>[ 56.969709] full_proxy_write+0x56/0x80 <4>[ 56.974304] vfs_write+0xea/0x3b0 <4>[ 56.978317] ksys_write+0x68/0xf0 <4>[ 56.982328] do_syscall_64+0x33/0x40 <4>[ 56.986631] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 56.992585] RIP: 0033:0x7f0b002f9473 <4>[ 56.996888] 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>[ 57.018220] RSP: 002b:00007ffdf5b7a5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.026990] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0b002f9473 <4>[ 57.035277] RDX: 000000000000000a RSI: 00007f0b001ed000 RDI: 0000000000000001 <4>[ 57.043570] RBP: 00007f0b001ed000 R08: 00007f0b001ec010 R09: 0000000000000000 <4>[ 57.051863] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.060153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh <4>[ 57.068455] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 57.114902] CR2: 0000000000000000 <4>[ 57.118914] ---[ end trace 3c5ada0d755306e0 ]--- <4>[ 57.124387] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.129078] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 57.150426] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 57.156579] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.164873] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 57.173170] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.181465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.189758] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 57.198054] FS: 00007f0b003e3580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 57.207421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.214154] CR2: ffffffffffffffd6 CR3: 0000000103606000 CR4: 00000000003506f0 <3>[ 57.222451] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 57.232697] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat <4>[ 57.241477] INFO: lockdep is turned off. <4>[ 57.246162] irq event stamp: 0 <4>[ 57.249879] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.257203] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.266663] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.276126] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.283448] CPU: 0 PID: 1794 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 57.292420] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.299346] Call Trace: # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 55.179142] l<4>[ 57.302388] dump_stack+0x77/0x9b <4>[ 57.312640] ___might_sleep.cold+0xa6/0xb6 <4>[ 57.317529] exit_signals+0x1c/0x300 <4>[ 57.321831] do_exit+0xc2/0xab0 <4>[ 57.325648] ? ksys_write+0x68/0xf0 <4>[ 57.329856] make_task_dead+0x2f/0x30 <4>[ 57.334258] rewind_stack_and_make_dead+0x17/0x20 <4>[ 57.339824] RIP: 0033:0x7f0b002f9473 <4>[ 57.344123] 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>[ 57.365472] RSP: 002b:00007ffdf5b7a5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.374257] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0b002f9473 <4>[ 57.382553] RDX: 000000000000000a RSI: 00007f0b001ed000 RDI: 0000000000000001 <4>[ 57.390847] RBP: 00007f0b001ed000 R08: 00007f0b001ec010 R09: 0000000000000000 <4>[ 57.399139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.407430] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 kdtm: Performing direct entry EXEC_RODATA # [ 55.190650] lkdtm: attempting ok execution at ffffffffb337c2d0 # [ 55.197518] lkdtm: attempting bad execution at ffffffffb44f8940 # [ 55.204478] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.213154] BUG: unable to handle page fault for address: ffffffffb44f8940 # [ 55.221158] #PF: supervisor instruction fetch in kernel mode # [ 55.234017] #PF: error_code(0x0011) - permissions violation # [ 55.240556] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 80000001704001e1 # [ 55.254899] Oops: 0011 [#9] SMP PTI # [ 55.259105] CPU: 0 PID: 1720 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 55.274308] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.281248] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 55.287305] Code: ff ff cf 0b a6 b3 ff ff ff ff 52 2f 98 b4 ff ff ff ff 15 f3 a5 b3 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 # [ 55.308645] RSP: 0018:ffffbd6f42327e48 EFLAGS: 00010246 # [ 55.314801] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 55.323097] RDX: 0000000000000000 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 55.331393] RBP: ffffffffb44f8940 R08: 0000000000000000 R09: 0000000000000000 # [ 55.339686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 55.347982] R13: ffffbd6f42327f10 R14: ffffbd6f42327f10 R15: ffffa28f03c21000 # [ 55.356277] FS: 00007fa53965b580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 55.365645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.372380] CR2: ffffffffb44f8940 CR3: 0000000106656000 CR4: 00000000003506f0 # [ 55.380673] Call Trace: # [ 55.383720] ? __die_body.cold+0x1a/0x1f # [ 55.388417] ? no_context+0x177/0x380 # [ 55.392822] ? exc_page_fault+0xd7/0x170 # [ 55.397514] ? asm_exc_page_fault+0x1e/0x30 # [ 55.402499] ? execute_location+0x48/0x56 # [ 55.407288] ? direct_entry.cold+0x2c/0x38 # [ 55.412179] ? full_proxy_write+0x56/0x80 # [ 55.416970] ? vfs_write+0xea/0x3b0 # [ 55.421174] ? ksys_write+0x68/0xf0 # [ 55.425381] ? do_syscall_64+0x33/0x40 # [ 55.429878] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.436036] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 55.482494] CR2: ffffffffb44f8940 # [ 55.486507] ---[ end trace 3c5ada0d755306de ]--- # [ 55.491982] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.496673] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 55.518001] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 55.524148] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.532441]<6>[ 57.729721] lkdtm: Performing direct entry ACCESS_USERSPACE RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84<6>[ 57.740461] lkdtm: attempting bad read at 00007ff881062000 b0 # [ 55.540735] RBP: ffffffffb49e8ec8 R08: 0000000000000001<1>[ 57.753122] BUG: unable to handle page fault for address: 00007ff881062000 <1>[ 57.767312] #PF: supervisor read access in kernel mode <1>[ 57.773366] #PF: error_code(0x0001) - permissions violation <6>[ 57.779906] PGD 80000001030ad067 P4D 80000001030ad067 PUD 1029a3067 PMD 105a15067 PTE 10a5d7067 <4>[ 57.789970] Oops: 0001 [#12] SMP PTI <4>[ 57.794273] CPU: 3 PID: 1830 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 57.803252] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.810189] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 57.816733] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 70 3c 98 b4 e8 24 d8 fb ff 48 c7 c7 98 3c 98 b4 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 c0 3c 98 <4>[ 57.838070] RSP: 0018:ffffbd6f424e7e48 EFLAGS: 00010246 <4>[ 57.844205] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 57.852498] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb4983c98 <4>[ 57.860789] RBP: 00007ff881062000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.869084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 57.877379] R13: ffffbd6f424e7f10 R14: ffffbd6f424e7f10 R15: ffffa28f03c5e000 <4>[ 57.885674] FS: 00007ff881033580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 <4>[ 57.895040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.901770] CR2: 00007ff881062000 CR3: 0000000105b9e000 CR4: 00000000003506e0 <4>[ 57.910061] Call Trace: <4>[ 57.913106] ? __die_body.cold+0x1a/0x1f <4>[ 57.917803] ? no_context+0x177/0x380 <4>[ 57.922207] ? exc_page_fault+0x53/0x170 <4>[ 57.926900] ? asm_exc_page_fault+0x1e/0x30 <4>[ 57.931890] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 57.937749] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 57.943608] direct_entry.cold+0x2c/0x38 <4>[ 57.948306] full_proxy_write+0x56/0x80 <4>[ 57.952905] vfs_write+0xea/0x3b0 <4>[ 57.956918] ksys_write+0x68/0xf0 <4>[ 57.960929] do_syscall_64+0x33/0x40 <4>[ 57.965233] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 57.971194] RIP: 0033:0x7ff880f49473 <4>[ 57.975496] 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>[ 57.996841] RSP: 002b:00007ffd83e29f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.005622] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007ff880f49473 <4>[ 58.013915] RDX: 0000000000000011 RSI: 00007ff880e3d000 RDI: 0000000000000001 <4>[ 58.022211] RBP: 00007ff880e3d000 R08: 00007ff880e3c010 R09: 0000000000000000 <4>[ 58.030507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.038800] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 58.047101] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 58.087331] CR2: 00007ff881062000 <4>[ 58.091341] ---[ end trace 3c5ada0d755306e1 ]--- <4>[ 58.096815] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.101504] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 58.122856] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 58.129008] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.137301] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 58.145593] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.153888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.162179] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 58.170470] FS: 00007ff881033580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 <4>[ 58.179833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.186560] CR2: 00007ff881062000 CR3: 0000000105b9e000 CR4: 00000000003506e0 R09: 0000000000000001 # [ 55.549029] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.557316] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 55.565610] FS: 00007fa53965b580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 55.574975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.581712] CR2: ffffffffb44f8940 CR3: 0000000106656000 CR4: 00000000003506f0 # [ 55.590010] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.600254] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat # [ 55.609032] INFO: lockdep is turned off. # [ 55.613716] irq event stamp: 0 # [ 55.617426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.624747] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.634206] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.643671] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.650993] CPU: 0 PID: 1720 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 55.659971] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.666899] Call Trace: # [ 55.669940] dump_stack+0x77/0x9b # [ 55.673952] ___might_sleep.cold+0xa6/0xb6 # [ 55.678836] exit_signals+0x1c/0x300 # [ 55.683136] do_exit+0xc2/0xab0 # [ 55.686945] ? ksys_write+0x68/0xf0 # [ 55.691153] make_task_dead+0x2f/0x30 # [ 55.695551] rewind_stack_and_make_dead+0x17/0x20 # [ 55.701118] RIP: 0033:0x7fa539571473 # [ 55.705421] 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 # [ 55.726770] RSP: 002b:00007ffdf70bf9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.735549] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa539571473 # [ 55.743844] RDX: 000000000000000c RSI: 00007fa539465000 RDI: 0000000000000001 # [ 55.752136] RBP: 00007fa539465000 R08: 00007fa539464010 R09: 0000000000000000 # [ 55.760428] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.768721] 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 # [ 56.091177] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.101191] lkdtm: attempting ok execution at ffffffffb337c2d0 # [ 56.108120] lkdtm: attempting bad execution at 00007fb13b63b000 # [ 56.121247] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.134155] BUG: unable to handle page fault for address: 00007fb13b63b000 # [ 56.142154] #PF: supervisor instruction fetch in kernel mode # [ 56.148788] #PF: error_code(0x0011) - permissions violation # [ 56.155332] PGD 80000001066b9067 P4D 80000001066b9067 PUD 1013c1067 PMD 10304d067 PTE 10be11067 # [ 56.171629] Oops: 0011 [#10] SMP PTI # [ 56.175935] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 56.191136] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.198069] RIP: 0010:0x7fb13b63b000 # [ 56.202368] Code: Unable to access opcode bytes at RIP 0x7fb13b63afd6. # [ 56.209981] RSP: 0018:ffffbd6f4239fe50 EFLAGS: 00010246 # [ 56.216136] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 56.224431] RDX: 0000000000000000 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 # [ 56.232724] RBP: 00007fb13b63b000 R08: 0000000<6>[ 58.549268] lkdtm: Performing direct entry ACCESS_NULL <6>[ 58.556451] lkdtm: attempting bad read at 0000000000000000 <1>[ 58.562938] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 58.571043] #PF: supervisor read access in kernel mode 000000000 R09: 0000000000000000 # [ 56.241018] R10: 00000000f<1>[ 58.577086] #PF: error_code(0x0000) - not-present page <6>[ 58.589356] PGD 0 P4D 0 <4>[ 58.592497] Oops: 0000 [#13] SMP PTI fffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 56.24<4>[ 58.596798] CPU: 0 PID: 1866 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 58.611990] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.618928] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 58.624495] Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 56 6d 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 70 3c 98 b4 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 98 3c 98 b4 48 01 <4>[ 58.645796] RSP: 0018:ffffbd6f42567e58 EFLAGS: 00010246 <4>[ 58.651937] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 58.660222] RDX: 0000000000000000 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 58.668517] RBP: ffffffffb4982d61 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.676808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 58.685100] R13: ffffbd6f42567f10 R14: ffffbd6f42567f10 R15: ffffa28f029c1000 <4>[ 58.693393] FS: 00007fdade43a580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 58.702754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.709488] CR2: 0000000000000000 CR3: 0000000102666000 CR4: 00000000003506f0 <4>[ 58.717781] Call Trace: <4>[ 58.720829] ? __die_body.cold+0x1a/0x1f <4>[ 58.725529] ? no_context+0x177/0x380 <4>[ 58.729933] ? exc_page_fault+0x53/0x170 <4>[ 58.734625] ? asm_exc_page_fault+0x1e/0x30 <4>[ 58.739618] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 58.744505] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 58.749392] direct_entry.cold+0x2c/0x38 <4>[ 58.754087] full_proxy_write+0x56/0x80 <4>[ 58.758687] vfs_write+0xea/0x3b0 <4>[ 58.762698] ksys_write+0x68/0xf0 <4>[ 58.766699] do_syscall_64+0x33/0x40 <4>[ 58.771000] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 58.776963] RIP: 0033:0x7fdade350473 <4>[ 58.781265] 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>[ 58.802617] RSP: 002b:00007ffd6ed01458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.811399] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdade350473 <4>[ 58.819693] RDX: 000000000000000c RSI: 00007fdade244000 RDI: 0000000000000001 <4>[ 58.827988] RBP: 00007fdade244000 R08: 00007fdade243010 R09: 0000000000000000 <4>[ 58.836279] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.844573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9313] R13: ffffbd6f4239ff10 R14: ffffbd6f4239ff10 R15: ffffa28f0<4>[ 58.852875] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 58.899331] CR2: 0000000000000000 61d1000 # [ 56.257604] FS: 00007fb13b60c580(0000) GS:ffffa28<4>[ 58.903344] ---[ end trace 3c5ada0d755306e2 ]--- <4>[ 58.915043] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.919734] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 58.941080] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 58.947227] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.955517] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 58.963811] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.972102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.980395] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 58.988687] FS: 00007fdade43a580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 58.998053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.004785] CR2: 0000000000000000 CR3: 0000000102666000 CR4: 00000000003506f0 <3>[ 59.013078] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 59.023317] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1866, name: cat <4>[ 59.032095] INFO: lockdep is turned off. <4>[ 59.036782] irq event stamp: 0 <4>[ 59.040499] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.047824] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.057288] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.066750] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.074071] CPU: 0 PID: 1866 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 59.083046] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.089972] Call Trace: <4>[ 59.093014] dump_stack+0x77/0x9b <4>[ 59.097026] ___might_sleep.cold+0xa6/0xb6 <4>[ 59.101915] exit_signals+0x1c/0x300 <4>[ 59.106217] do_exit+0xc2/0xab0 <4>[ 59.110034] ? ksys_write+0x68/0xf0 <4>[ 59.114240] make_task_dead+0x2f/0x30 <4>[ 59.118641] rewind_stack_and_make_dead+0x17/0x20 <4>[ 59.124197] RIP: 0033:0x7fdade350473 <4>[ 59.128496] 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>[ 59.149833] RSP: 002b:00007ffd6ed01458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.158616] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdade350473 <4>[ 59.166911] RDX: 000000000000000c RSI: 00007fdade244000 RDI: 0000000000000001 <4>[ 59.175202] RBP: 00007fdade244000 R08: 00007fdade243010 R09: 0000000000000000 <4>[ 59.183495] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.191788] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f7bd00000(0000) knlGS:0000000000000000 # [ 56.266971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.273705] CR2: 00007fb13b63b000 CR3: 000000010278a000 CR4: 00000000003506e0 # [ 56.281989] Call Trace: # [ 56.285039] ? __die_body.cold+0x1a/0x1f # [ 56.289738] ? no_context+0x177/0x380 # [ 56.294141] ? exc_page_fault+0x53/0x170 # [ 56.298832] ? asm_exc_page_fault+0x1e/0x30 # [ 56.303821] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 56.309486] ? direct_entry.cold+0x2c/0x38 # [ 56.314375] ? full_proxy_write+0x56/0x80 # [ 56.319168] ? vfs_write+0xea/0x3b0 # [ 56.323375] ? ksys_write+0x68/0xf0 # [ 56.327584] ? do_syscall_64+0x33/0x40 # [ 56.332081] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.338241] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 56.384617] CR2: 00007fb13b63b000 # [ 56.388628] ---[ end trace 3c5ada0d755306df ]--- # [ 56.394090] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.398780] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 56.420122] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 56.426275] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.434571] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 56.442860] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 56.451157] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.459448] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 56.467743] FS: 00007fb13b60c580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 56.477105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.483840] CR2: 00007fb13b63b000 CR3: 000000010278a000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 56.786017] lkdtm: Performing direct entry EXEC_NULL # [ 56.797363] lkdtm: attempting ok execution at ffffffffb337c2d0 # [ 56.804243] lkdtm: attempting bad execution at 0000000000000000 # [ 56.811212] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.819311] #PF: supervisor instruction fetch in kernel mode # [ 56.825940] #PF: error_code(0x0010) - not-present page # [ 56.831994] PGD 0 P4D 0 # [ 56.835135] Oops: 0010 [#11] SMP PTI # [ 56.839431] CPU: 0 PID: 1794 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 56.848407] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.855339] RIP: 0010:0x0 # [ 56.858576] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 56.866579] RSP: 0018:ffffbd6f42457e48 EFLAGS: 00010246 # [ 56.872733] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.881026] RDX: 0000000000000000 RSI:<6>[ 59.521015] lkdtm: Performing direct entry WRITE_RO <6>[ 59.530037] lkdtm: attempting bad rodata write at ffffffffb44f8930 <1>[ 59.537301] BUG: unable to handle page fault for address: ffffffffb44f8930 <1>[ 59.545300] #PF: supervisor write access in kernel mode ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 56.889320] RBP: 0<1>[ 59.551447] #PF: error_code(0x0003) - permissions violation 000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [<6>[ 59.564205] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 80000001704001e1 <4>[ 59.578539] Oops: 0003 [#14] SMP PTI 56.897612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<4>[ 59.582831] CPU: 0 PID: 1902 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 59.597992] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.604931] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 59.610200] Code: 00 48 c7 c7 50 3b 98 b4 48 c7 c6 30 89 4f b4 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 80 3b 98 b4 48 31 d0 <48> 89 05 ba 92 a9 00 e9 2a da fb ff 0f 1f 44 00 00 48 8b 05 c9 bc <4>[ 59.631523] RSP: 0018:ffffbd6f425f7e60 EFLAGS: 00010202 <4>[ 59.637667] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 59.645946] RDX: 00000000abcd1234 RSI: ffffa28f7bc1bf50 RDI: ffffffffb4983b80 <4>[ 59.654235] RBP: ffffffffb4982d6d R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.662530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 59.670824] R13: ffffbd6f425f7f10 R14: ffffbd6f425f7f10 R15: ffffa28f013cb000 <4>[ 59.679121] FS: 00007f5bb756f580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 59.688469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.695189] CR2: ffffffffb44f8930 CR3: 00000001061d8000 CR4: 00000000003506f0 <4>[ 59.703472] Call Trace: <4>[ 59.706518] ? __die_body.cold+0x1a/0x1f <4>[ 59.711213] ? no_context+0x177/0x380 <4>[ 59.715615] ? exc_page_fault+0xd7/0x170 <4>[ 59.720306] ? asm_exc_page_fault+0x1e/0x30 <4>[ 59.725292] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 59.729886] direct_entry.cold+0x2c/0x38 <4>[ 59.734581] full_proxy_write+0x56/0x80 <4>[ 59.739181] vfs_write+0xea/0x3b0 <4>[ 59.743194] ksys_write+0x68/0xf0 <4>[ 59.747206] do_syscall_64+0x33/0x40 <4>[ 59.751509] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 59.757462] RIP: 0033:0x7f5bb7485473 <4>[ 59.761765] 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>[ 59.783099] RSP: 002b:00007ffea304a2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.791878] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5bb7485473 <4>[ 59.800174] RDX: 0000000000000009 RSI: 00007f5bb7379000 RDI: 0000000000000001 <4>[ 59.808464] RBP: 00007f5bb7379000 R08: 00007f5bb7378010 R09: 0000000000000000 <4>[ 59.816746] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.825034] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000000a # [ 56.905904] R13: ffffbd6f42457f10 R14: fff<4>[ 59.833334] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 59.879738] CR2: ffffffffb44f8930 <4>[ 59.883750] ---[ end trace 3c5ada0d755306e3 ]--- <4>[ 59.889222] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.893911] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 59.915263] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 59.921419] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.929711] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 59.938004] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.946298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.954593] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 59.962884] FS: 00007f5bb756f580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 59.972247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.978979] CR2: ffffffffb44f8930 CR3: 00000001061d8000 CR4: 00000000003506f0 fbd6f42457f10 R15: ffffa28f064b2000 # [ 56.914196] FS: 00007f0b003e3580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 56.923561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.930295] CR2: ffffffffffffffd6 CR3: 0000000103606000 CR4: 00000000003506f0 # [ 56.938588] Call Trace: # [ 56.941636] ? __die_body.cold+0x1a/0x1f # [ 56.946332] ? no_context+0x177/0x380 # [ 56.950736] ? exc_page_fault+0x53/0x170 # [ 56.955428] ? asm_exc_page_fault+0x1e/0x30 # [ 56.960424] execute_location+0x48/0x56 # [ 56.965019] direct_entry.cold+0x2c/0x38 # [ 56.969709] full_proxy_write+0x56/0x80 # [ 56.974304] vfs_write+0xea/0x3b0 # [ 56.978317] ksys_write+0x68/0xf0 # [ 56.982328] do_syscall_64+0x33/0x40 # [ 56.986631] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.992585] RIP: 0033:0x7f0b002f9473 # [ 56.996888] 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 # [ 57.018220] RSP: 002b:00007ffdf5b7a5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.026990] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0b002f9473 # [ 57.035277] RDX: 000000000000000a RSI: 00007f0b001ed000 RDI: 0000000000000001 # [ 57.043570] RBP: 00007f0b001ed000 R08: 00007f0b001ec010 R09: 0000000000000000 # [ 57.051863] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.060153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.068455] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.114902] CR2: 0000000000000000 # [ 57.118914] ---[ end trace 3c5ada0d755306e0 ]--- # [ 57.124387] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.129078] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 57.150426] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 57.156579] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.164873] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 57.173170] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.181465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.189758] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 57.198054] FS: 00007f0b003e3580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 57.207421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.214154] CR2: ffffffffffffffd6 CR3: 0000000103606000 CR4: 00000000003506f0 # [ 57.222451] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.232697] in_atomic(): 0, irqs_disabled(): 1, non_block: 0,<6>[ 60.301958] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 60.312078] lkdtm: attempting bad ro_after_init write at ffffffffb4a0b350 <1>[ 60.320044] BUG: unable to handle page fault for address: ffffffffb4a0b350 <1>[ 60.328046] #PF: supervisor write access in kernel mode pid: 1794, name: cat # [ 57.241477] INFO: lockdep is turned <1>[ 60.334185] #PF: error_code(0x0003) - permissions violation off. # [ 57.246162] irq event stamp: 0 # [ 57.249879] hard<6>[ 60.346948] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 10005e163 PTE 8000000170a0b061 <4>[ 60.362551] Oops: 0003 [#15] SMP PTI ] 0x0 # [ 57.2>[ 60.366848] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 60.381964] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.388903] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 60.395254] Code: 3b 98 b4 e9 fe d9 fb ff 48 c7 c7 d8 3b 98 b4 e8 f2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 c7 80 3b 98 b4 48 31 d0 <48> 89 05 80 bc fa 00 e9 d0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 60.416582] RSP: 0018:ffffbd6f4268fe60 EFLAGS: 00010202 <4>[ 60.422734] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 60.431029] RDX: 00000000abcd1234 RSI: ffffa28f7bd1bf50 RDI: ffffffffb4983b80 <4>[ 60.439322] RBP: ffffffffb4982d76 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.447614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 60.455906] R13: ffffbd6f4268ff10 R14: ffffbd6f4268ff10 R15: ffffa28f06396000 <4>[ 60.464203] FS: 00007f47f2638580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 60.473572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.480305] CR2: ffffffffb4a0b350 CR3: 00000001013e4000 CR4: 00000000003506e0 <4>[ 60.488599] Call Trace: <4>[ 60.491647] ? __die_body.cold+0x1a/0x1f <47203] hardirqs last disabled at (0): [] copy_>[ 60.496342] ? no_context+0x177/0x380 <4>[ 60.506885] ? exc_page_fault+0xd7/0x170 <4>[ 60.511575] ? asm_exc_page_fault+0x1e/0x30 <4>[ 60.516553] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 60.522217] direct_entry.cold+0x2c/0x38 <4>[ 60.526914] full_proxy_write+0x56/0x80 <4>[ 60.531512] vfs_write+0xea/0x3b0 <4>[ 60.535524] ksys_write+0x68/0xf0 <4>[ 60.539535] do_syscall_64+0x33/0x40 <4>[ 60.543836] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 60.549797] RIP: 0033:0x7f47f254e473 <4>[ 60.554100] 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>[ 60.575444] RSP: 002b:00007ffe62b092d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.584229] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f47f254e473 <4>[ 60.592523] RDX: 0000000000000014 RSI: 00007f47f2442000 RDI: 0000000000000001 <4>[ 60.600817] RBP: 00007f47f2442000 R08: 00007f47f2441010 R09: 0000000000000000 <4>[ 60.609099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.617391] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rocess+0x65c/0x20e0 # [ 57.266663] softirqs last enabled at <4>[ 60.625693] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 60.672151] CR2: ffffffffb4a0b350 <4>[ 60.676162] ---[ end trace 3c5ada0d755306e4 ]--- <4>[ 60.681635] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.686326] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 (0): [] copy_process+0x65c/0x20e0 # [ 57.27<4>[ 60.707675] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 60.720054] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.728350] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 60.736645] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.744937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.753225] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 60.761517] FS: 00007f47f2638580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 60.770881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.777611] CR2: ffffffffb4a0b350 CR3: 00000001013e4000 CR4: 00000000003506e0 <3>[ 60.785905] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 60.796147] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1938, name: cat <4>[ 60.804928] INFO: lockdep is turned off. <4>[ 60.809617] irq event stamp: 0 <4>[ 60.813333] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.820656] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 60.830116] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 60.839580] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.846900] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 60.855876] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.862808] Call Trace: <4>[ 60.865848] dump_stack+0x77/0x9b <4>[ 60.869861] ___might_sleep.cold+0xa6/0xb6 <4>[ 60.874750] exit_signals+0x1c/0x300 <4>[ 60.879051] do_exit+0xc2/0xab0 <4>[ 60.882867] ? ksys_write+0x68/0xf0 <4>[ 60.887072] make_task_dead+0x2f/0x30 <4>[ 60.891469] rewind_stack_and_make_dead+0x17/0x20 <4>[ 60.897036] RIP: 0033:0x7f47f254e473 <4>[ 60.901335] 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>[ 60.922686] RSP: 002b:00007ffe62b092d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.931470] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f47f254e473 <4>[ 60.939757] RDX: 0000000000000014 RSI: 00007f47f2442000 RDI: 0000000000000001 <4>[ 60.948046] RBP: 00007f47f2442000 R08: 00007f47f2441010 R09: 0000000000000000 <4>[ 60.956339] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.964632] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6126] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.283448] CPU: 0 PID: 1794 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 57.292420] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.299346] Call Trace: # [ 57.302388] dump_stack+0x77/0x9b # [ 57.312640] ___might_sleep.cold+0xa6/0xb6 # [ 57.317529] exit_signals+0x1c/0x300 # [ 57.321831] do_exit+0xc2/0xab0 # [ 57.325648] ? ksys_write+0x68/0xf0 # [ 57.329856] make_task_dead+0x2f/0x30 # [ 57.334258] rewind_stack_and_make_dead+0x17/0x20 # [ 57.339824] RIP: 0033:0x7f0b002f9473 # [ 57.344123] 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 # [ 57.365472] RSP: 002b:00007ffdf5b7a5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.374257] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0b002f9473 # [ 57.382553] RDX: 000000000000000a RSI: 00007f0b001ed000 RDI: 0000000000000001 # [ 57.390847] RBP: 00007f0b001ed000 R08: 00007f0b001ec010 R09: 0000000000000000 # [ 57.399139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.407430] 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 # [ 57.729721] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.740461] lkdtm: attempting bad read at 00007ff881062000 # [ 57.753122] BUG: unable to handle page fault for address: 00007ff881062000 # [ 57.767312] #PF: supervisor read access in kernel mode # [ 57.773366] #PF: error_code(0x0001) - permissions violation # [ 57.779906] PGD 80000001030ad067 P4D 80000001030ad067 PUD 1029a3067 PMD 105a15067 PTE 10a5d7067 # [ 57.789970] Oops: 0001 [#12] SMP PTI # [ 57.794273] CPU: 3 PID: 1830 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 57.803252] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.810189] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.816733] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 70 3c 98 b4 e8 24 d8 fb ff 48 c7 c7 98 3c 98 b4 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 c0 3c 98 # [ 57.838070] RSP: 0018:ffffbd6f424e7e48 EFLAGS: 00010246 # [ 57.844205] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.852498] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb4983c98 # [ 57.860789] RBP: 00007ff881062000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.869084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.877379] R13: ffffbd6f424e7f10 R14: ffffbd6f424e7f10 R15: ffffa28f03c5e000 # [ 57.885674] FS: 00007ff881033580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 # [ 57.895040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.901770] CR2: 00007ff881062000 CR3: 0000000105b9e000 CR4: 00000000003506e0 # [ 57.910061] Call Trace: # [ 57.913106] ? __die_body.cold+0x1a/0x1f # [ 57.917803] ? no_context+0x177/0x380 # [ 57.922207] ? exc_page_fault+0x53/0x170 # [ 57.926900] ? asm_exc_page_fault+0x1e/0x30 # [ 57.931890] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.937749] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 57.943608] direct_entry.cold+0x2c/0x38 # [ 57.948306] full_proxy_write+0x56/0x80 # [ 57.952905] vfs_write+0xea/0x3<6>[ 61.317431] lkdtm: Performing direct entry WRITE_KERN <6>[ 61.328141] lkdtm: attempting bad 7222026 byte write at ffffffffb3a5f5da <1>[ 61.335985] BUG: unable to handle page fault for address: ffffffffb3a5f5da <1>[ 61.343979] #PF: supervisor write access in kernel mode <1>[ 61.350125] #PF: error_code(0x0003) - permissions violation b0 # [ 57.956918] ksys_write+0x68/0xf0 # [ 57.960929] do<6>[ 61.356663] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 16fa001e1 _sy[ 61.370308] Oops: 0003 [#16] SMP PTI <4>[ 61.380832] CPU: 0 PID: 1974 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 61.389790] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.396730] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 61.402203] Code: 53 48 c7 c3 da f5 a5 b3 49 89 dc 48 89 da 49 81 ec d0 c2 37 b3 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 d0 c2 37 b3 a4 48 c7 c7 80 3b 98 b4 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 61.423528] RSP: 0018:ffffbd6f42707e50 EFLAGS: 00010246 <4>[ 61.429678] RAX: 000000000000003c RBX: ffffffffb3a5f5da RCX: 00000000006e330a <4>[ 61.437961] RDX: 0000000000000000 RSI: ffffffffb337c2d0 RDI: ffffffffb3a5f5da <4>[ 61.446253] RBP: ffffffffb4982d8a R08: 0000000000000000 R09: 0000000000000000 <4>[ 61.454539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e330a <4>[ 61.462826] R13: ffffbd6f42707f10 R14: ffffbd6f42707f10 R15: ffffa28f06343000 <4>[ 61.471124] FS: 00007f650bba2580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 61.480484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.487219] CR2: ffffffffb3a5f5da CR3: 000000010286c000 CR4: 00000000003506f0 <4>[ 61.495509] Call Trace: <4>[ 61.498557] ? __die_body.cold+0x1a/0x1f <4>[ 61.503256] ? no_context+0x177/0x380 <4>[ 61.507659] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 61.513420] ? exc_page_fault+0xd7/0x170 <4>[ 61.518115] ? asm_exc_page_fault+0x1e/0x30 <4>[ 61.523100] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 61.528867] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 61.534042] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 61.539804] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 61.544595] direct_entry.cold+0x2c/0x38 <4>[ 61.549290] full_proxy_write+0x56/0x80 <4>[ 61.553888] vfs_write+0xea/0x3b0 <4>[ 61.557901] ksys_write+0x68/0xf0 <4>[ 61.561908] do_syscall_64+0x33/0x40 <4>[ 61.566213] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 61.572167] RIP: 0033:0x7f650bab8473 <4>[ 61.576469] 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>[ 61.597811] RSP: 002b:00007ffc9475ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.606582] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f650bab8473 <4>[ 61.614865] RDX: 000000000000000b RSI: 00007f650b9ac000 RDI: 0000000000000001 <4>[ 61.623157] RBP: 00007f650b9ac000 R08: 00007f650b9ab010 R09: 0000000000000000 <4>[ 61.631452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.639747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 hwframe+0x62/0xc7 # [ 57.971194] RIP: 0033:0x7ff880f49473 # <4>[ 61.648050] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 61.694495] CR2: ffffffffb3a5f5da <4>[ 61.698508] ---[ end trace 3c5ada0d755306e5 ]--- <4>[ 61.703980] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 61.708671] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 61.730012] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 <4>[ 61.736156] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 61.744448] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 <4>[ 61.752742] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 61.761036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 61.769325] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 <4>[ 61.777619] FS: 00007f650bba2580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 61.786970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.793705] CR2: ffffffffb3a5f5da CR3: 000000010286c000 CR4: 00000000003506f0 <3>[ 61.802002] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 61.812246] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1974, name: cat <4>[ 61.821027] INFO: lockdep is turned off. <4>[ 61.825715] irq event stamp: 0 <4>[ 61.829430] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 61.836753] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.846216] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.855677] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 61.863000] CPU: 0 PID: 1974 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 61.871975] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.878902] Call Trace: <4>[ 61.881942] dump_stack+0x77/0x9b <4>[ 61.885956] ___might_sleep.cold+0xa6/0xb6 <4>[ 61.890846] exit_signals+0x1c/0x300 <4>[ 61.895149] do_exit+0xc2/0xab0 <4>[ 61.898958] ? ksys_write+0x68/0xf0 <4>[ 61.903163] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 61.908927] make_task_dead+0x2f/0x30 <4>[ 61.913327] rewind_stack_and_make_dead+0x17/0x20 <4>[ 61.918894] RIP: 0033:0x7f650bab8473 <4>[ 61.923191] 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>[ 61.944526] RSP: 002b:00007ffc9475ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.953305] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f650bab8473 <4>[ 61.961594] RDX: 000000000000000b RSI: 00007f650b9ac000 RDI: 0000000000000001 <4>[ 61.969889] RBP: 00007f650b9ac000 R08: 00007f650b9ab010 R09: 0000000000000000 <4>[ 61.978181] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.986476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.975496] 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 # [ 57.996841] RSP: 002b:00007ffd83e29f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.005622] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007ff880f49473 # [ 58.013915] RDX: 0000000000000011 RSI: 00007ff880e3d000 RDI: 0000000000000001 # [ 58.022211] RBP: 00007ff880e3d000 R08: 00007ff880e3c010 R09: 0000000000000000 # [ 58.030507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.038800] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.047101] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 58.087331] CR2: 00007ff881062000 # [ 58.091341] ---[ end trace 3c5ada0d755306e1 ]--- # [ 58.096815] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.101504] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 58.122856] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 58.129008] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.137301] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 58.145593] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.153888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.162179] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 58.170470] FS: 00007ff881033580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 # [ 58.179833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.186560] CR2: 00007ff881062000 CR3: 0000000105b9e000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 58.549268] lkdtm: Performing direct entry ACCESS_NULL # [ 58.556451] lkdtm: attempting bad read at 0000000000000000 # [ 58.562938] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.571043] #PF: supervisor read access in kernel mode # [ 58.577086] #PF: error_code(0x0000) - not-present page # [ 58.589356] PGD 0 P4D 0 # [ 58.592497] Oops: 0000 [#13] SMP PTI # [ 58.596798] CPU: 0 PID: 1866 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 58.611990] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.618928] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.624495] Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 56 6d 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 70 3c 98 b4 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 98 3c 98 b4 48 01 # [ 58.645796] RSP: 0018:ffffbd6f42567e58 EFLAGS: 00010246 # [ 58.651937] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.660222] RDX: 0000000000000000 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 58.668517] RBP: ffffffffb4982d61 R08: 0000000000000000 R09: 0000000000000000 # [ 58.676808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.685100] R13: ffffbd6f42567f10 R14: ffffbd6f42567f10 R15: ffffa28f029c1000 # [ 58.693393] FS: 00007fdade<6>[ 62.351012] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 43a580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 #<6>[ 62.363477] lkdtm: attempting good refcount_inc() without overflow [ 58.702754] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003<6>[ 62.376941] lkdtm: attempting bad refcount_inc() overflow 3 # [ 58.709488] CR2: 0000000000000000 CR3: 0000000102666000 <4>[ 62.389512] ------------[ cut here ]------------ CR4: 00000000003506f0 # [ 58.717781] Call Trace: # [ 58.72<4>[ 62.401232] refcount_t: saturated; leaking memory. <4>[ 62.413200] WARNING: CPU: 0 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0829] ? __die_body.cold+0x1a/0x1f # [ 58.725529] ? no_conte<4>[ 62.422979] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 62.469478] CPU: 0 PID: 2010 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 62.478474] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.485422] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 62.491592] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 8d b4 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d <4>[ 62.512937] RSP: 0018:ffffbd6f427afe48 EFLAGS: 00010286 <4>[ 62.519108] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 62.527425] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 62.535729] RBP: ffffffffb4982d95 R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.544042] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 62.552354] R13: ffffbd6f427aff10 R14: ffffbd6f427aff10 R15: ffffa28f062cc000 xt+0x177/0x380 # [ 58.729933] ? exc_page_fault+0x53/0x170 #<4>[ 62.560670] FS: 00007fc32d451580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 62.576261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.583009] CR2: 00007fc32d25b000 CR3: 000000010299a000 CR4: 00000000003506f0 [ 58.734625] ? asm_exc_page_fault+0x1e/0x30 # [ 58.739618<4>[ 62.591323] Call Trace: <4>[ 62.600624] ? __warn+0x80/0x110 <4>[ 62.604558] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.610057] ? report_bug+0x9e/0xc0 <4>[ 62.614292] ? handle_bug+0x41/0x90 <4>[ 62.618516] ? exc_invalid_op+0x14/0x70 <4>[ 62.623135] ? asm_exc_invalid_op+0x12/0x20 <4>[ 62.628152] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.633645] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.639139] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 62.644829] direct_entry.cold+0x2c/0x38 <4>[ 62.649548] full_proxy_write+0x56/0x80 <4>[ 62.654162] vfs_write+0xea/0x3b0 <4>[ 62.658196] ksys_write+0x68/0xf0 ] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.744505] ? lkdtm_ACCE<4>[ 62.662236] do_syscall_64+0x33/0x40 SS_NULL+0x14/0x53 # [ 58.749392] direct_entry.cold+0x2c/0x38<4>[ 62.672771] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.754087] full_proxy_write+0x56/0x80 # [ 58.758687]<4>[ 62.684966] RIP: 0033:0x7fc32d367473 <4>[ 62.695507] 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>[ 62.716878] RSP: 002b:00007ffcc7c2eba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.725730] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc32d367473 <4>[ 62.734070] RDX: 0000000000000016 RSI: 00007fc32d25b000 RDI: 0000000000000001 <4>[ 62.742388] RBP: 00007fc32d25b000 R08: 00007fc32d25a010 R09: 0000000000000000 <4>[ 62.750703] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.759021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 vfs_write+0xea/0x3b0 # [ 58.762698] ksys_write+0x68/0xf0 <4>[ 62.767344] irq event stamp: 0 <4>[ 62.777300] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.784642] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.794125] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.803609] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 62.810945] ---[ end trace 3c5ada0d755306e6 ]--- <6>[ 62.816429] lkdtm: Overflow detected: saturated # [ 58.766699] do_syscall_64+0x33/0x40 # [ 58.771000] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.776963] RIP: 0033:0x7fdade350473 # [ 58.781265] 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 # [ 58.802617] RSP: 002b:00007ffd6ed01458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.811399] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fdade350473 # [ 58.819693] RDX: 000000000000000c RSI: 00007fdade244000 RDI: 0000000000000001 # [ 58.827988] RBP: 00007fdade244000 R08: 00007fdade243010 R09: 0000000000000000 # [ 58.836279] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.844573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.852875] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 58.899331] CR2: 0000000000000000 # [ 58.903344] ---[ end trace 3c5ada0d755306e2 ]--- # [ 58.915043] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.919734] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 58.941080] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 58.947227] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.955517] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 58.963811] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.972102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.980395] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 58.988687] FS: 00007fdade43a580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 58.998053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.004785] CR2: 0000000000000000 CR3: 0000000102666000 CR4: 00000000003506f0 # [ 59.013078] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.023317] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1866, name: cat # [ 59.032095] INFO: lockdep is turned off. # [ 59.036782] irq event stamp: 0 # [ 59.040499] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.047824] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.057288] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.066750] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.074071] CPU: 0 PID: 1866 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 59.083046] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.089972] Call Trace: # [ 59.093014] dump_stack+0x77/0x9b # [ 59.097026] ___might_sleep.cold+0xa6/<6>[ 63.138479] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0xb6 # [ 59.101915] exit_signals+0x1c/0x300 # [ 59.106217<6>[ 63.147021] lkdtm: attempting good refcount_add() without overflow ] do_exit+0xc2/0xab0 # [ 59.110034] ? ksys_write+0x68/0xf0 <6>[ 63.160473] lkdtm: attempting bad refcount_add() overflow # [ 59.114240] make_task_dead+0x2f/0x30 # [ 59.118641] r<4>[ 63.173055] ------------[ cut here ]------------ ewind_stack_and_make_dead+0x17/0x20 # [ 59.124197] RIP: 0033:<4>[ 63.184836] refcount_t: saturated; leaking memory. 0x7fdade350473 # [ 59.128496] Code: 8b 15 21 2a 0e 00 f7 d8 6<4>[ 63.196788] WARNING: CPU: 3 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00<4>[ 63.212709] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c<4>[ 63.259104] CPU: 3 PID: 2043 Comm: cat Tainted: G D W 5.10.207-cip41 #1 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.149833] RSP: <4>[ 63.274303] Hardware name: Google Coral/Coral, BIOS 09/29/2020 002b:00007ffd6ed01458 EFLAGS: 00000246 ORIG_RAX: 000000000000000<4>[ 63.287511] RIP: 0010:refcount_warn_saturate+0x51/0x110 1 # [ 59.158616] RAX: ffffffffffffffda RBX: 000000000000000c <4>[ 63.299880] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 8d b4 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d RCX: 00007fdade350473 # [ 59.166911] RDX: 000000000000000c RS<4>[ 63.327502] RSP: 0018:ffffbd6f42827e48 EFLAGS: 00010286 I: 00007fdade244000 RDI: 0000000000000001 # [ 59.175202] RBP:<4>[ 63.339878] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 00007fdade244000 R08: 00007fdade243010 R09: 0000000000000000 #<4>[ 63.354449] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 [ 59.183495] R10: fffffffffffffbc5 R11: 0000000000000246 R12:<4>[ 63.368963] RBP: ffffffffb4982dab R08: 0000000000000000 R09: 0000000000000000 0000000000000001 # [ 59.191788] R13: 0000000000000001 R14: 0<4>[ 63.383526] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call <4>[ 63.398047] R13: ffffbd6f42827f10 R14: ffffbd6f42827f10 R15: ffffa28f03614000 trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests<4>[ 63.412587] FS: 00007f683cab6580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 : lkdtm: WRITE_RO.sh # Killed # [ 59.521015] lkdtm: Performi<4>[ 63.428274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ng direct entry WRITE_RO # [ 59.530037] lkdtm: attempting bad<4>[ 63.441507] CR2: 00007f683c8c0000 CR3: 00000001031aa000 CR4: 00000000003506e0 rodata write at ffffffffb44f8930 # [ 59.537301] BUG: unable <4>[ 63.455802] Call Trace: to handle page fault for address: ffffffffb44f8930 # [ 59.545<4>[ 63.465192] ? __warn+0x80/0x110 300] #PF: supervisor write access in kernel mode # [ 59.55144<4>[ 63.475188] ? refcount_warn_saturate+0x51/0x110 7] #PF: error_code(0x0003) - permissions violation # [ 59.564<4>[ 63.486929] ? report_bug+0x9e/0xc0 205] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 8000000170400<4>[ 63.497461] ? handle_bug+0x41/0x90 1e1 # [ 59.578539] Oops: 0003 [#14] SMP PTI # [ 59.582831<4>[ 63.507797] ? exc_invalid_op+0x14/0x70 ] CPU: 0 PID: 1902 Comm: cat Tainted: G D W 5.10.20<4>[ 63.518733] ? asm_exc_invalid_op+0x12/0x20 7-cip41 #1 # [ 59.597992] Hardware name: Google Coral/Coral, <4>[ 63.529872] ? refcount_warn_saturate+0x51/0x110 BIOS 09/29/2020 # [ 59.604931] RIP: 0010:lkdtm_WRITE_RO+0x2e<4>[ 63.541695] ? refcount_warn_saturate+0x51/0x110 /0x3a # [ 59.610200] Code: 00 48 c7 c7 50 3b 98 b4 48 c7 c6 3<4>[ 63.553316] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 0 89 4f b4 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48<4>[ 63.565299] direct_entry.cold+0x2c/0x38 c7 c7 80 3b 98 b4 48 31 d0 <48> 89 05 ba 92 a9 00 e9 2a da fb f<4>[ 63.576128] full_proxy_write+0x56/0x80 f 0f 1f 44 00 00 48 8b 05 c9 bc # [ 59.631523] RSP: 0018:ffff<4>[ 63.587003] vfs_write+0xea/0x3b0 bd6f425f7e60 EFLAGS: 00010202 # [ 59.637667] RAX: 00000000019<4>[ 63.597325] ksys_write+0x68/0xf0 8b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 59.6459<4>[ 63.607508] do_syscall_64+0x33/0x40 46] RDX: 00000000abcd1234 RSI: ffffa28f7bc1bf50 RDI: ffffffffb49<4>[ 63.618063] entry_SYSCALL_64_after_hwframe+0x62/0xc7 83b80 # [ 59.654235] RBP: ffffffffb4982d6d R08: 0000000000000<4>[ 63.630260] RIP: 0033:0x7f683c9cc473 000 R09: 0000000000000000 # [ 59.662530] R10: 00000000ffffe00<4>[ 63.640834] 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 0 R11: 3fffffffffffffff R12: 0000000000000009 # [ 59.670824] <4>[ 63.668376] RSP: 002b:00007ffd3af4e0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R13: ffffbd6f425f7f10 R14: ffffbd6f425f7f10 R15: ffffa28f013cb00<4>[ 63.683415] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f683c9cc473 0 # [ 59.679121] FS: 00007f5bb756f580(0000) GS:ffffa28f7bc00<4>[ 63.697913] RDX: 0000000000000016 RSI: 00007f683c8c0000 RDI: 0000000000000001 000(0000) knlGS:0000000000000000 # [ 59.688469] CS: 0010 DS:<4>[ 63.712486] RBP: 00007f683c8c0000 R08: 00007f683c8bf010 R09: 0000000000000000 0000 ES: 0000 CR0: 0000000080050033 # [ 59.695189] CR2: ffff<4>[ 63.726991] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffffb44f8930 CR3: 00000001061d8000 CR4: 00000000003506f0 # [ <4>[ 63.741548] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 59.703472] Call Trace: # [ 59.706518] ? __die_body.cold+0x1a<4>[ 63.756078] irq event stamp: 0 /0x1f # [ 59.711213] ? no_context+0x177/0x380 # [ 59.7156<4>[ 63.766059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 15] ? exc_page_fault+0xd7/0x170 # [ 59.720306] ? asm_exc_pa<4>[ 63.779590] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ge_fault+0x1e/0x30 # [ 59.725292] ? lkdtm_WRITE_RO+0x2e/0x3a<4>[ 63.795327] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.729886] direct_entry.cold+0x2c/0x38 # [ 59.734581<4>[ 63.811002] softirqs last disabled at (0): [<0000000000000000>] 0x0 ] full_proxy_write+0x56/0x80 # [ 59.739181] vfs_write+0xea/<4>[ 63.824585] ---[ end trace 3c5ada0d755306e7 ]--- 0x3b0 # [ 59.743194] ksys_write+0x68/0xf0 # [ 59.747206] <6>[ 63.836283] lkdtm: Overflow detected: saturated do_syscall_64+0x33/0x40 # [ 59.751509] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 59.757462] RIP: 0033:0x7f5bb7485473 # [ 59.761765] 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 # [ 59.783099] RSP: 002b:00007ffea304a2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.791878] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5bb7485473 # [ 59.800174] RDX: 0000000000000009 RSI: 00007f5bb7379000 RDI: 0000000000000001 # [ 59.808464] RBP: 00007f5bb7379000 R08: 00007f5bb7378010 R09: 0000000000000000 # [ 59.816746] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.825034] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.833334] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.879738] CR2: ffffffffb44f8930 # [ 59.883750] ---[ end trace 3c5ada0d755306e3 ]--- # [ 59.889222] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.893911] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 59.915263] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 59.921419] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.929711] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 59.938004] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.946298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.954593] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 59.962884] FS: 00007f5bb756f580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 59.972247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.978979] CR2: ffffffffb44f8930 CR3: 00000001061d8000 CR4: 00000000003506f0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 60.301958] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 60.312078] lkdtm: attempting bad ro_after_init write at ffffffffb4a0b350 # [ 60.320044] BUG: unable to handle page fault for address: ffffffffb4a0b350 # [ 60.328046] #PF: supervisor write access in kernel mode # [ 60.334185] #PF: error_code(0x0003) - permissions violation # [ 60.346948] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 10005e163 PTE 8000000170a0b061 # [ 60.362551] Oops: 0003 [#15] SMP PTI # [ 60.366848] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 60.381964] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.388903] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 60.395254] Code: 3b 98 b4 e9 fe d9 fb ff 48 c7 c7 d8 3b<6>[ 64.163143] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 64.173719] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 64.180983] ------------[ cut here ]------------ <4>[ 64.186474] refcount_t: saturated; leaking memory. <4>[ 64.192211] WARNING: CPU: 2 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 98 b4 e8 f2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 <4>[ 64.201979] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 64.248466] CPU: 2 PID: 2076 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 64.257466] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 64.264423] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 64.270603] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d b4 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d <4>[ 64.291980] RSP: 0018:ffffbd6f42897e38 EFLAGS: 00010282 <4>[ 64.298154] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 64.306455] RDX: ffffa28f7bd2c620 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 <4>[ 64.314771] RBP: ffffffffb49829e8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 64.323090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 64.331404] R13: ffffbd6f42897f10 R14: ffffbd6f42897f10 R15: ffffa28f026a3000 <4>[ 64.339720] FS: 00007f266ee3f580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 64.349106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 64.355862] CR2: 00007f266ec49000 CR3: 000000010299a000 CR4: 00000000003506e0 <4>[ 64.364168] Call Trace: <4>[ 64.367223] ? __warn+0x80/0x110 <4>[ 64.371168] ? refcount_warn_saturate+0x97/0x110 <4>[ 64.376664] ? report_bug+0x9e/0xc0 <4>[ 64.380905] ? handle_bug+0x41/0x90 <4>[ 64.385135] ? exc_invalid_op+0x14/0x70 <4>[ 64.389753] ? asm_exc_invalid_op+0x12/0x20 <4>[ 64.394766] ? refcount_warn_saturate+0x97/0x110 <4>[ 64.400265] ? refcount_warn_saturate+0x97/0x110 <4>[ 64.405760] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 64.412236] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 64.418803] direct_entry.cold+0x2c/0x38 <4>[ 64.423522] full_proxy_write+0x56/0x80 <4>[ 64.428130] vfs_write+0xea/0x3b0 <4>[ 64.432160] ksys_write+0x68/0xf0 c7 80 3b 98 b4 48 31 d0 <48> 89 05 80 bc fa 00 e9 d0 d9 fb ff 0f<4>[ 64.436188] do_syscall_64+0x33/0x40 1f 44 00 00 41 54 48 c7 c7 # [ 60.416582] RSP: 0018:ffffbd6f<4>[ 64.446739] entry_SYSCALL_64_after_hwframe+0x62/0xc7 4268fe60 EFLAGS: 00010202 # [ 60.422734] RAX: 00000000fe67479<4>[ 64.458925] RIP: 0033:0x7f266ed55473 <4>[ 64.469477] 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>[ 64.490850] RSP: 002b:00007fffec2a4668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 64.499656] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f266ed55473 <4>[ 64.508016] RDX: 000000000000001f RSI: 00007f266ec49000 RDI: 0000000000000001 e RBX: 0000000000000029 RCX: 0000000000000000 # [ 60.431029] <4>[ 64.516372] RBP: 00007f266ec49000 R08: 00007f266ec48010 R09: 0000000000000000 <4>[ 64.530864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 64.539183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 64.547510] irq event stamp: 0 <4>[ 64.551248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 64.558595] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 64.568081] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 64.577560] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 64.584903] ---[ end trace 3c5ada0d755306e8 ]--- <6>[ 64.590383] lkdtm: Overflow detected: saturated RDX: 00000000abcd1234 RSI: ffffa28f7bd1bf50 RDI: ffffffffb4983b80 # [ 60.439322] RBP: ffffffffb4982d76 R08: 0000000000000000 R09: 0000000000000000 # [ 60.447614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 60.455906] R13: ffffbd6f4268ff10 R14: ffffbd6f4268ff10 R15: ffffa28f06396000 # [ 60.464203] FS: 00007f47f2638580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 60.473572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.480305] CR2: ffffffffb4a0b350 CR3: 00000001013e4000 CR4: 00000000003506e0 # [ 60.488599] Call Trace: # [ 60.491647] ? __die_body.cold+0x1a/0x1f # [ 60.496342] ? no_context+0x177/0x380 # [ 60.506885] ? exc_page_fault+0xd7/0x170 # [ 60.511575] ? asm_exc_page_fault+0x1e/0x30 # [ 60.516553] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 60.522217] direct_entry.cold+0x2c/0x38 # [ 60.526914] full_proxy_write+0x56/0x80 # [ 60.531512] vfs_write+0xea/0x3b0 # [ 60.535524] ksys_write+0x68/0xf0 # [ 60.539535] do_syscall_64+0x33/0x40 # [ 60.543836] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 60.549797] RIP: 0033:0x7f47f254e473 # [ 60.554100] 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 # [ 60.575444] RSP: 002b:00007ffe62b092d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.584229] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f47f254e473 # [ 60.592523] RDX: 0000000000000014 RSI: 00007f47f2442000 RDI: 0000000000000001 # [ 60.600817] RBP: 00007f47f2442000 R08: 00007f47f2441010 R09: 0000000000000000 # [ 60.609099] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.617391] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.625693] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 60.672151] CR2: ffffffffb4a0b350 # [ 60.676162] ---[ end trace 3c5ada0d755306e4 ]--- # [ 60.681635] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.686326] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 60.707675] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 60.720054] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.728350] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 60.736645] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 60.744937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.753225] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 60.761517] FS: 00007f47f2638580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 60.770881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.777611] CR2: ffffffffb4a0b350 CR3: 00000001013e4000 CR4: 00000000003506e0 # [ 60.785905] BUG: sleeping function called from invalid context a<6>[ 64.926307] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 64.940280] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 64.947524] ------------[ cut here ]------------ <4>[ 64.953010] refcount_t: saturated; leaking memory. <4>[ 64.958737] WARNING: CPU: 0 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 t include/linux/percpu-rwsem.h:49 # [ 60.796147] in_atomic():<4>[ 64.968492] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 65.014890] CPU: 0 PID: 2109 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 65.023886] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 65.030832] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 65.037000] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d b4 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d <4>[ 65.058358] RSP: 0018:ffffbd6f428ffe38 EFLAGS: 00010282 <4>[ 65.064530] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 65.072835] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 65.081154] RBP: ffffffffb4982a08 R08: 0000000000000000 R09: 0000000000000000 <4>[ 65.089464] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 65.097771] R13: ffffbd6f428fff10 R14: ffffbd6f428fff10 R15: ffffa28f03c31000 <4>[ 65.106089] FS: 00007fbb51a32580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 65.115478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 65.122239] CR2: 00007fbb5183c000 CR3: 00000001033c0000 CR4: 00000000003506f0 <4>[ 65.130550] Call Trace: <4>[ 65.133618] ? __warn+0x80/0x110 <4>[ 65.137555] ? refcount_warn_saturate+0x97/0x110 <4>[ 65.143059] ? report_bug+0x9e/0xc0 <4>[ 65.147300] ? handle_bug+0x41/0x90 <4>[ 65.151530] ? exc_invalid_op+0x14/0x70 <4>[ 65.156150] ? asm_exc_invalid_op+0x12/0x20 <4>[ 65.161168] ? refcount_warn_saturate+0x97/0x110 <4>[ 65.166661] ? refcount_warn_saturate+0x97/0x110 <4>[ 65.172154] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 65.178624] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 65.185190] direct_entry.cold+0x2c/0x38 <4>[ 65.189919] full_proxy_write+0x56/0x80 <4>[ 65.194545] vfs_write+0xea/0x3b0 <4>[ 65.198584] ksys_write+0x68/0xf0 0, irqs_disabled(): 1, non_block: 0, pid: 1938, name: cat # [ <4>[ 65.202616] do_syscall_64+0x33/0x40 60.804928] INFO: lockdep is turned off. # [ 60.809617] irq <4>[ 65.213165] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 65.225356] RIP: 0033:0x7fbb51948473 event stamp: 0 # [ 60.813333] hardirqs last enabled at (0): <4>[ 65.229674] 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>[ 65.257267] RSP: 002b:00007ffe6fd4b258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 65.266070] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbb51948473 <4>[ 65.274422] RDX: 000000000000001f RSI: 00007fbb5183c000 RDI: 0000000000000001 <4>[ 65.282763] RBP: 00007fbb5183c000 R08: 00007fbb5183b010 R09: 0000000000000000 <4>[ 65.291078] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 65.299391] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 65.307711] irq event stamp: 0 <4>[ 65.311450] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 65.318793] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 65.328280] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 65.337768] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 65.345109] ---[ end trace 3c5ada0d755306e9 ]--- <6>[ 65.350595] lkdtm: Overflow detected: saturated [<0000000000000000>] 0x0 # [ 60.820656] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.830116] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.839580] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.846900] CPU: 2 PID: 1938 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 60.855876] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.862808] Call Trace: # [ 60.865848] dump_stack+0x77/0x9b # [ 60.869861] ___might_sleep.cold+0xa6/0xb6 # [ 60.874750] exit_signals+0x1c/0x300 # [ 60.879051] do_exit+0xc2/0xab0 # [ 60.882867] ? ksys_write+0x68/0xf0 # [ 60.887072] make_task_dead+0x2f/0x30 # [ 60.891469] rewind_stack_and_make_dead+0x17/0x20 # [ 60.897036] RIP: 0033:0x7f47f254e473 # [ 60.901335] 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 # [ 60.922686] RSP: 002b:00007ffe62b092d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.931470] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f47f254e473 # [ 60.939757] RDX: 0000000000000014 RSI: 00007f47f2442000 RDI: 0000000000000001 # [ 60.948046] RBP: 00007f47f2442000 R08: 00007f47f2441010 R09: 0000000000000000 # [ 60.956339] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.964632] 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 # [ 61.317431] lkdtm: Performing direct entry WRITE_KERN # [ 61.328141] lkdtm: attempting bad 7222026 byte write at ffffffffb3a5f5da # [ 61.335985] BUG: unable to handle page fault for address: ffffffffb3a5f5da # [ 61.343979] #PF: supervisor write access in kernel mode # [ 61.350125] #PF: error_code(0x0003) - permissions violation # [ 61.356663] PGD 170c29067 P4D 170c29067 PUD 170c2a063 PMD 16fa001e1 # [ 61.370308] Oops: 0003 [#16] SMP PTI # [ 61.380832] CPU: 0 PID: 1974 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 61.389790] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.396730] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 61.402203] Code: 53 48 c7 c3 da f5 a5 b3 49 89 dc 48 89 da 49 81 ec d0 c2 37 b3 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 d0 c2 37 b3 a4 48 c7 c7 80 3b 98 b4 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 61.423528] RSP: 0018:ffffbd6f42707e50 EFLAGS: 00010246 # [ 61.429678] RAX: 000000000000003c RBX: ffffffffb3a5f5da RCX: 00000000006e330a # [ 61.437961] RDX: 0000000000000000 RSI: ffffffffb337c2d0 RDI: ffffffffb3a5f5da # [ 61.446253] RBP: ffffffffb4982d8a R08: 0000000000000000 R09: 0000000000000000 # [ 61.454539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e330a # [ 61.462826] R13: ffffbd6f42707f10 R14: ffffbd6f42707f10 R15: ffffa28f06343000 # [ 61.471124] FS: 00007f650bba2580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 61.480484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.487219] CR2: ffffffffb3a5f5da CR3: 000000010286c000 CR4: 00000000003506f0 # [ 61.495509] Call Trace: # [ 61.498557] ? __die_body.cold+0x1a/0x1f # [ 61.503256] ? no_context+0x177/0x380 # [ 61.507659] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 61.513420] ? exc_page_fault+0xd7/0x170 # [ 61.518115] ? asm_e<6>[ 65.699711] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 65.711864] lkdtm: attempting good refcount_dec() <6>[ 65.717464] lkdtm: attempting bad refcount_dec() to zero <4>[ 65.723731] ------------[ cut here ]------------ <4>[ 65.729215] refcount_t: decrement hit 0; leaking memory. <4>[ 65.735544] WARNING: CPU: 2 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 xc_page_fault+0x1e/0x30 # [ 61.523100] ? lkdtm_SLAB_FREE_CRO<4>[ 65.745316] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 65.791722] CPU: 2 PID: 2142 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 65.800718] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 65.807671] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 65.813835] Code: 38 da 8d b4 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 8d b4 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 65.835189] RSP: 0018:ffffbd6f429b7e48 EFLAGS: 00010286 <4>[ 65.841361] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 65.849665] RDX: ffffa28f7bd2c620 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 <4>[ 65.857979] RBP: ffffffffb4982dc1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 65.866298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 65.874613] R13: ffffbd6f429b7f10 R14: ffffbd6f429b7f10 R15: ffffa28f05a0c000 <4>[ 65.882927] FS: 00007f61030f8580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 65.892312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 65.899067] CR2: 00007f6102f02000 CR3: 000000010494c000 CR4: 00000000003506e0 <4>[ 65.907377] Call Trace: <4>[ 65.910441] ? __warn+0x80/0x110 SS.cold+0x32/0x32 # [ 61.528867] ? lkdtm_SLAB_FREE_PAGE+0x40<4>[ 65.914385] ? refcount_warn_saturate+0xfb/0x110 <4>[ 65.926116] ? report_bug+0x9e/0xc0 /0x40 # [ 61.534042] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 65.930346] ? handle_bug+0x41/0x90 <4>[ 65.940794] ? exc_invalid_op+0x14/0x70 <4>[ 65.945410] ? asm_exc_invalid_op+0x12/0x20 <4>[ 65.950421] ? refcount_warn_saturate+0xfb/0x110 <4>[ 65.955916] ? refcount_warn_saturate+0xfb/0x110 <4>[ 65.961413] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 65.966709] direct_entry.cold+0x2c/0x38 <4>[ 65.971424] full_proxy_write+0x56/0x80 # [ 61.539804] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 61.544595<4>[ 65.976050] vfs_write+0xea/0x3b0 ] direct_entry.cold+0x2c/0x38 # [ 61.549290] full_proxy_wri<4>[ 65.986288] ksys_write+0x68/0xf0 te+0x56/0x80 # [ 61.553888] vfs_write+0xea/0x3b0 # [ 61.5<4>[ 65.996538] do_syscall_64+0x33/0x40 <4>[ 66.007074] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 66.013051] RIP: 0033:0x7f610300e473 <4>[ 66.017373] 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>[ 66.038741] RSP: 002b:00007fff3008a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 66.047579] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f610300e473 <4>[ 66.055913] RDX: 0000000000000012 RSI: 00007f6102f02000 RDI: 0000000000000001 <4>[ 66.064230] RBP: 00007f6102f02000 R08: 00007f6102f01010 R09: 0000000000000000 <4>[ 66.072537] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 66.080844] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 66.089164] irq event stamp: 0 <4>[ 66.092897] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 66.100239] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 66.109724] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 66.119203] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 66.126540] ---[ end trace 3c5ada0d755306ea ]--- <6>[ 66.132023] lkdtm: Zero detected: saturated 57901] ksys_write+0x68/0xf0 # [ 61.561908] do_syscall_64+0x33/0x40 # [ 61.566213] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 61.572167] RIP: 0033:0x7f650bab8473 # [ 61.576469] 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 # [ 61.597811] RSP: 002b:00007ffc9475ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.606582] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f650bab8473 # [ 61.614865] RDX: 000000000000000b RSI: 00007f650b9ac000 RDI: 0000000000000001 # [ 61.623157] RBP: 00007f650b9ac000 R08: 00007f650b9ab010 R09: 0000000000000000 # [ 61.631452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.639747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.648050] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 61.694495] CR2: ffffffffb3a5f5da # [ 61.698508] ---[ end trace 3c5ada0d755306e5 ]--- # [ 61.703980] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.708671] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 61.730012] RSP: 0018:ffffbd6f41287e60 EFLAGS: 00010286 # [ 61.736156] RAX: ffffffffb337bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.744448] RDX: 0000000000000000 RSI: ffffa28f7bd9bf50 RDI: ffffffffb44f84b0 # [ 61.752742] RBP: ffffffffb49e8ec8 R08: 0000000000000001 R09: 0000000000000001 # [ 61.761036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.769325] R13: ffffbd6f41287f10 R14: ffffbd6f41287f10 R15: ffffa28f06339000 # [ 61.777619] FS: 00007f650bba2580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 61.786970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.793705] CR2: ffffffffb3a5f5da CR3: 000000010286c000 CR4: 00000000003506f0 # [ 61.802002] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 61.812246] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1974, name: cat # [ 61.821027] INFO: lockdep is turned off. # [ 61.825715] irq event stamp: 0 # [ 61.829430] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.836753] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.846216] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.855677] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.863000] CPU: 0 PID: 1974 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 61.871975] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.878902] Call Trace: # [ 61.881942] dump_stack+0x77/0x9b # [ 61.885956] ___might_sleep.cold+0xa6/0xb6 # [ 61.890846] exit_signals+0x1c/0x300 # [ 61.895149] do_exit+0xc2/0xab0 # [ 61.898958] ? ksys_write+0x68/0xf0 # [ 61.903163] ? lkdtm_SLAB_FR<6>[ 66.472048] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE EE_CROSS.cold+0x32/0x32 # [ 61.908927] make_task_dead+0x2f/0<6>[ 66.480905] lkdtm: attempting bad refcount_dec() below zero x30 # [ 61.913327] rewind_stack_and_make_dead+0x17/0x20 # [<4>[ 66.493697] ------------[ cut here ]------------ 61.918894] RIP: 0033:0x7f650bab8473 # [ 61.923191] Code: 8<4>[ 66.505449] refcount_t: decrement hit 0; leaking memory. b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f<4>[ 66.518022] WARNING: CPU: 3 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48<4>[ 66.533953] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18<4>[ 66.580355] CPU: 3 PID: 2178 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 61.944526] RSP: 002b:00007ffc9475ff48 EFLAGS: 00000246 O<4>[ 66.595557] Hardware name: Google Coral/Coral, BIOS 09/29/2020 RIG_RAX: 0000000000000001 # [ 61.953305] RAX: ffffffffffffffd<4>[ 66.608730] RIP: 0010:refcount_warn_saturate+0xfb/0x110 a RBX: 000000000000000b RCX: 00007f650bab8473 # [ 61.961594] <4>[ 66.621149] Code: 38 da 8d b4 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 8d b4 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b RDX: 000000000000000b RSI: 00007f650b9ac000 RDI: 000000000000000<4>[ 66.648737] RSP: 0018:ffffbd6f42a37e48 EFLAGS: 00010286 1 # [ 61.969889] RBP: 00007f650b9ac000 R08: 00007f650b9ab010 <4>[ 66.661119] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 R09: 0000000000000000 # [ 61.978181] R10: fffffffffffffbc5 R1<4>[ 66.675661] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 1: 0000000000000246 R12: 0000000000000001 # [ 61.986476] R13:<4>[ 66.690244] RBP: ffffffffb4982dd3 R08: 0000000000000000 R09: 0000000000000000 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #<4>[ 66.704746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRIT<4>[ 66.719312] R13: ffffbd6f42a37f10 R14: ffffbd6f42a37f10 R15: ffffa28f027dd000 E_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 6<4>[ 66.733835] FS: 00007fb0fd04d580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 2.351012] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <4>[ 66.749478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.363477] lkdtm: attempting good refcount_inc() without o<4>[ 66.762429] CR2: 00007fb0fce57000 CR3: 0000000106656000 CR4: 00000000003506e0 verflow # [ 62.376941] lkdtm: attempting bad refcount_inc() o<4>[ 66.777019] Call Trace: verflow # [ 62.389512] ------------[ cut here ]------------ <4>[ 66.786559] ? __warn+0x80/0x110 # [ 62.401232] refcount_t: saturated; leaking memory. # [ 6<4>[ 66.796468] ? refcount_warn_saturate+0xfb/0x110 2.413200] WARNING: CPU: 0 PID: 2010 at lib/refcount.c:22 refcoun<4>[ 66.808363] ? report_bug+0x9e/0xc0 t_warn_saturate+0x51/0x110 # [ 62.422979] Modules linked in: <4>[ 66.818803] ? handle_bug+0x41/0x90 fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a <4>[ 66.829165] ? exc_invalid_op+0x14/0x70 cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev vide<4>[ 66.840007] ? asm_exc_invalid_op+0x12/0x20 obuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 <4>[ 66.851134] ? refcount_warn_saturate+0xfb/0x110 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_d<4>[ 66.862955] ? refcount_warn_saturate+0xfb/0x110 a7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pc<4>[ 66.874582] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 m_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 62.<4>[ 66.886534] direct_entry.cold+0x2c/0x38 469478] CPU: 0 PID: 2010 Comm: cat Tainted: G D W 5<4>[ 66.897429] full_proxy_write+0x56/0x80 .10.207-cip41 #1 # [ 62.478474] Hardware name: Google Coral/C<4>[ 66.908334] vfs_write+0xea/0x3b0 oral, BIOS 09/29/2020 # [ 62.485422] RIP: 0010:refcount_warn<4>[ 66.918487] ksys_write+0x68/0xf0 _saturate+0x51/0x110 # [ 62.491592] Code: 84 bc 00 00 00 c3 c<4>[ 66.928881] do_syscall_64+0x33/0x40 c cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9<4>[ 66.939306] entry_SYSCALL_64_after_hwframe+0x62/0xc7 8d b4 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc c<4>[ 66.951560] RIP: 0033:0x7fb0fcf63473 c 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d # [ 62.512937]<4>[ 66.961991] 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 RSP: 0018:ffffbd6f427afe48 EFLAGS: 00010286 # [ 62.519108] R<4>[ 66.989703] RSP: 002b:00007ffdb7157a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 AX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000<4>[ 67.004644] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb0fcf63473 # [ 62.527425] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 R<4>[ 67.019208] RDX: 0000000000000016 RSI: 00007fb0fce57000 RDI: 0000000000000001 DI: ffffa28f7bc1bf50 # [ 62.535729] RBP: ffffffffb4982d95 R08<4>[ 67.033697] RBP: 00007fb0fce57000 R08: 00007fb0fce56010 R09: 0000000000000000 : 0000000000000000 R09: 0000000000000000 # [ 62.544042] R10: <4>[ 67.048290] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # <4>[ 67.062754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.552354] R13: ffffbd6f427aff10 R14: ffffbd6f427aff10 R15: <4>[ 67.077382] irq event stamp: 0 ffffa28f062cc000 # [ 62.560670] FS: 00007fc32d451580(0000) G<4>[ 67.087265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 S:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 62.576261<4>[ 67.100910] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.58<4>[ 67.116502] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 3009] CR2: 00007fc32d25b000 CR3: 000000010299a000 CR4: 000000000<4>[ 67.132342] softirqs last disabled at (0): [<0000000000000000>] 0x0 03506f0 # [ 62.591323] Call Trace: # [ 62.600624] ? __war<4>[ 67.145806] ---[ end trace 3c5ada0d755306eb ]--- n+0x80/0x110 # [ 62.604558] ? refcount_warn_saturate+0x51/0x<6>[ 67.157538] lkdtm: Negative detected: saturated 110 # [ 62.610057] ? report_bug+0x9e/0xc0 # [ 62.614292] <6>[ 67.170116] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) ? handle_bug+0x41/0x90 # [ 62.618516] ? exc_invalid_op+0x14<6>[ 67.187675] platform MX98357A:00: deferred probe pending /0x70 # [ 62.623135] ? asm_exc_invalid_op+0x12/0x20 # [ 6<6>[ 67.196351] pci 0000:00:1b.0: deferred probe pending 2.628152] ? refcount_warn_saturate+0x51/0x110 # [ 62.633645] ? refcount_warn_saturate+0x51/0x110 # [ 62.639139] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 62.644829] direct_entry.cold+0x2c/0x38 # [ 62.649548] full_proxy_write+0x56/0x80 # [ 62.654162] vfs_write+0xea/0x3b0 # [ 62.658196] ksys_write+0x68/0xf0 # [ 62.662236] do_syscall_64+0x33/0x40 # [ 62.672771] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 62.684966] RIP: 0033:0x7fc32d367473 # [ 62.695507] 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 # [ 62.716878] RSP: 002b:00007ffcc7c2eba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.725730] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc32d367473 # [ 62.734070] RDX: 0000000000000016 RSI: 00007fc32d25b000 RDI: 0000000000000001 # [ 62.742388] RBP: 00007fc32d25b000 R08: 00007fc32d25a010 R09: 0000000000000000 # [ 62.750703] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.759021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.767344] irq event stamp: 0 # [ 62.777300] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.784642] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 62.794125] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 62.803609] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.810945] ---[ end trace 3c5ada0d755306e6 ]--- # [ 62.816429] 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 # [ 63.138479] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 63.147021] lkdtm: attempting good refcount_add() without overflow # [ 63.160473] lkdtm: attempting bad refcount_add() overflow # [ 63.173055] ------------[ cut here ]------------ # [ 63.184836] refcount_t: saturated; leaking memory. # [ 63.196788] WARNING: CPU: 3 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 63.212709] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 63.259104] CPU: 3 PID: 2043 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 63.274303] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.287511] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 63.299880] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 8d b4 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d # [ 63.327502] RSP: 0018:ffffbd6f42827e48 EFLAGS: 00010286 # [ 63.339878] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 63.35<6>[ 67.520140] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 67.534268] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 67.541710] ------------[ cut here ]------------ 4449] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7<4>[ 67.547203] refcount_t: underflow; use-after-free. bd9bf50 # [ 63.368963] RBP: ffffffffb4982dab R08: 00000000000<4>[ 67.559155] WARNING: CPU: 0 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00000 R09: 0000000000000000 # [ 63.383526] R10: 00000000ffffe<4>[ 67.575098] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 67.621530] CPU: 0 PID: 2217 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 67.630526] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 67.637484] RIP: 0010:refcount_warn_saturate+0xba/0x110 000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.398047<4>[ 67.643658] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d b4 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 67.671241] RSP: 0018:ffffbd6f42ab7e40 EFLAGS: 00010286 <4>[ 67.677415] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 67.685716] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 67.694019] RBP: ffffffffb4982a28 R08: 0000000000000000 R09: 0000000000000000 ] R13: ffffbd6f42827f10 R14: ffffbd6f42827f10 R15: ffffa28f03614<4>[ 67.702331] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 67.716861] R13: ffffbd6f42ab7f10 R14: ffffbd6f42ab7f10 R15: ffffa28f05a11000 <4>[ 67.725180] FS: 00007fcb7ac68580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 67.734565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 67.741314] CR2: 00007fcb7aa72000 CR3: 0000000105bd6000 CR4: 00000000003506f0 <4>[ 67.749624] Call Trace: <4>[ 67.752691] ? __warn+0x80/0x110 <4>[ 67.756632] ? refcount_warn_saturate+0xba/0x110 <4>[ 67.762128] ? report_bug+0x9e/0xc0 <4>[ 67.766353] ? handle_bug+0x41/0x90 <4>[ 67.770573] ? exc_invalid_op+0x14/0x70 <4>[ 67.775179] ? asm_exc_invalid_op+0x12/0x20 <4>[ 67.780192] ? refcount_warn_saturate+0xba/0x110 <4>[ 67.785686] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 67.792143] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 67.798706] direct_entry.cold+0x2c/0x38 <4>[ 67.803423] full_proxy_write+0x56/0x80 <4>[ 67.808044] vfs_write+0xea/0x3b0 <4>[ 67.812084] ksys_write+0x68/0xf0 <4>[ 67.816121] do_syscall_64+0x33/0x40 <4>[ 67.820450] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 67.826429] RIP: 0033:0x7fcb7ab7e473 <4>[ 67.830754] 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>[ 67.852120] RSP: 002b:00007ffdab9dedd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 67.860925] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcb7ab7e473 <4>[ 67.869240] RDX: 000000000000001f RSI: 00007fcb7aa72000 RDI: 0000000000000001 <4>[ 67.877557] RBP: 00007fcb7aa72000 R08: 00007fcb7aa71010 R09: 0000000000000000 <4>[ 67.885862] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000 # [ 63.412587] FS: 00007f683cab6580(0000) GS:ffffa28f7bd<4>[ 67.894150] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 80000(0000) knlGS:0000000000000000 # [ 63.428274] CS: 0010 D<4>[ 67.908689] irq event stamp: 0 <4>[ 67.918653] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 67.925999] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 67.935481] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 67.944971] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 67.952310] ---[ end trace 3c5ada0d755306ec ]--- <6>[ 67.957799] lkdtm: Negative detected: saturated S: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.441507] CR2: 00007f683c8c0000 CR3: 00000001031aa000 CR4: 00000000003506e0 # [ 63.455802] Call Trace: # [ 63.465192] ? __warn+0x80/0x110 # [ 63.475188] ? refcount_warn_saturate+0x51/0x110 # [ 63.486929] ? report_bug+0x9e/0xc0 # [ 63.497461] ? handle_bug+0x41/0x90 # [ 63.507797] ? exc_invalid_op+0x14/0x70 # [ 63.518733] ? asm_exc_invalid_op+0x12/0x20 # [ 63.529872] ? refcount_warn_saturate+0x51/0x110 # [ 63.541695] ? refcount_warn_saturate+0x51/0x110 # [ 63.553316] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 63.565299] direct_entry.cold+0x2c/0x38 # [ 63.576128] full_proxy_write+0x56/0x80 # [ 63.587003] vfs_write+0xea/0x3b0 # [ 63.597325] ksys_write+0x68/0xf0 # [ 63.607508] do_syscall_64+0x33/0x40 # [ 63.618063] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 63.630260] RIP: 0033:0x7f683c9cc473 # [ 63.640834] 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 # [ 63.668376] RSP: 002b:00007ffd3af4e0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.683415] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f683c9cc473 # [ 63.697913] RDX: 0000000000000016 RSI: 00007f683c8c0000 RDI: 0000000000000001 # [ 63.712486] RBP: 00007f683c8c0000 R08: 00007f683c8bf010 R09: 0000000000000000 # [ 63.726991] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.741548] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.756078] irq event stamp: 0 # [ 63.766059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.779590] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 63.795327] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 63.811002] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.824585] ---[ end trace 3c5ada0d755306e7 ]--- # [ 63.836283] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 64.163143] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 64.173719] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 64.180983] ------------[ cut here ]------------ # [ 64.186474] refcount_t: saturated; leaking memory. # [ 64.192211] WARNING: CPU: 2 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 64.201979] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 64.248466] CPU: 2 PID: 2076 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 64.257466] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 64.264423] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 64.270603] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d b4 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d <6>[ 68.296269] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 68.307772] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 68.315207] ------------[ cut here ]------------ ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d # [ 64.291980] RSP: 00<4>[ 68.320701] refcount_t: underflow; use-after-free. 18:ffffbd6f42897e38 EFLAGS: 00010282 # [ 64.298154] RAX: 0000<4>[ 68.332665] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ <4>[ 68.348672] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 68.395108] CPU: 0 PID: 2253 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 68.404104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 68.411060] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 68.417236] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d b4 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 68.438611] RSP: 0018:ffffbd6f42b3fe40 EFLAGS: 00010286 <4>[ 68.444783] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 68.453089] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 68.461399] RBP: ffffffffb4982a48 R08: 0000000000000000 R09: 0000000000000000 <4>[ 68.469713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 64.306455] RDX: ffffa28f7bd2c620 RSI: ffffa28f7bd1bf50 RDI: ffff<4>[ 68.478026] R13: ffffbd6f42b3ff10 R14: ffffbd6f42b3ff10 R15: ffffa28f05bd6000 a28f7bd1bf50 # [ 64.314771] RBP: ffffffffb49829e8 R08: 000000<4>[ 68.492549] FS: 00007f591c3a7580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 0000000000 R09: 0000000000000000 # [ 64.323090] R10: 00000000<4>[ 68.508154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.3<4>[ 68.521120] CR2: 00007f591c1b1000 CR3: 0000000105a46000 CR4: 00000000003506f0 31404] R13: ffffbd6f42897f10 R14: ffffbd6f42897f10 R15: ffffa28f<4>[ 68.535661] Call Trace: 026a3000 # [ 64.339720] FS: 00007f266ee3f580(0000) GS:ffffa2<4>[ 68.544950] ? __warn+0x80/0x110 8f7bd00000(0000) knlGS:0000000000000000 # [ 64.349106] CS: 0<4>[ 68.555095] ? refcount_warn_saturate+0xba/0x110 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.355862] CR<4>[ 68.566807] ? report_bug+0x9e/0xc0 2: 00007f266ec49000 CR3: 000000010299a000 CR4: 00000000003506e0 <4>[ 68.577246] ? handle_bug+0x41/0x90 # [ 64.364168] Call Trace: # [ 64.367223] ? __warn+0x80/0<4>[ 68.587682] ? exc_invalid_op+0x14/0x70 x110 # [ 64.371168] ? refcount_warn_saturate+0x97/0x110 # [<4>[ 68.598516] ? asm_exc_invalid_op+0x12/0x20 64.376664] ? report_bug+0x9e/0xc0 # [ 64.380905] ? handl<4>[ 68.609732] ? refcount_warn_saturate+0xba/0x110 e_bug+0x41/0x90 # [ 64.385135] ? exc_invalid_op+0x14/0x70 #<4>[ 68.621447] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 64.389753] ? asm_exc_invalid_op+0x12/0x20 # [ 64.394766<4>[ 68.634134] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b ] ? refcount_warn_saturate+0x97/0x110 # [ 64.400265] ? refc<4>[ 68.646922] direct_entry.cold+0x2c/0x38 ount_warn_saturate+0x97/0x110 # [ 64.405760] __refcount_add_<4>[ 68.657864] full_proxy_write+0x56/0x80 not_zero.constprop.0+0x2a/0x35 # [ 64.412236] lkdtm_REFCOUNT<4>[ 68.668707] vfs_write+0xea/0x3b0 _INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 64.418803] direct_entry<4>[ 68.678952] ksys_write+0x68/0xf0 .cold+0x2c/0x38 # [ 64.423522] full_proxy_write+0x56/0x80 #<4>[ 68.689209] do_syscall_64+0x33/0x40 [ 64.428130] vfs_write+0xea/0x3b0 # [ 64.432160] ksys_wr<4>[ 68.699760] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ite+0x68/0xf0 # [ 64.436188] do_syscall_64+0x33/0x40 # [ <4>[ 68.711968] RIP: 0033:0x7f591c2bd473 64.446739] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 64.4<4>[ 68.722506] 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 58925] RIP: 0033:0x7f266ed55473 # [ 64.469477] Code: 8b 15 21<4>[ 68.750089] RSP: 002b:00007fff303cdf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 <4>[ 68.765101] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f591c2bd473 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00<4>[ 68.779617] RDX: 000000000000001f RSI: 00007f591c1b1000 RDI: 0000000000000001 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 68.794142] RBP: 00007f591c1b1000 R08: 00007f591c1b0010 R09: 0000000000000000 64.490850] RSP: 002b:00007fffec2a4668 EFLAGS: 00000246 ORIG_RAX<4>[ 68.808665] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 0000000000000001 # [ 64.499656] RAX: ffffffffffffffda RBX: <4>[ 68.823201] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000001f RCX: 00007f266ed55473 # [ 64.508016] RDX: 00<4>[ 68.837716] irq event stamp: 0 0000000000001f RSI: 00007f266ec49000 RDI: 0000000000000001 # [ <4>[ 68.847657] hardirqs last enabled at (0): [<0000000000000000>] 0x0 64.516372] RBP: 00007f266ec49000 R08: 00007f266ec48010 R09: 00<4>[ 68.861214] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00000000000000 # [ 64.530864] R10: fffffffffffffbc5 R11: 0000<4>[ 68.876907] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 000000000246 R12: 0000000000000001 # [ 64.539183] R13: 000000<4>[ 68.892598] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64<4>[ 68.906160] ---[ end trace 3c5ada0d755306ed ]--- .547510] irq event stamp: 0 # [ 64.551248] hardirqs last ena<6>[ 68.917861] lkdtm: Negative detected: saturated bled at (0): [<0000000000000000>] 0x0 # [ 64.558595] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 64.568081] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 64.577560] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.584903] ---[ end trace 3c5ada0d755306e8 ]--- # [ 64.590383] 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 # [ 64.926307] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 64.940280] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 64.947524] ------------[ cut here ]------------ # [ 64.953010] refcount_t: saturated; leaking memory. # [ 64.958737] WARNING: CPU: 0 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 64.968492] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 65.014890] CPU: 0 PID: 2109 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 65.023886] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.030832] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 65.037000] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d b4 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d # [ 65.058358] RSP: 0018:ffffbd6f428ffe38 EFLAGS: 00010282 # [ 65.064530] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 65.072835] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 65.081154] RBP: ffffffffb4982a08 R08: 0000000000000000 R09: 0000000000000000 # [ 65.089464] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.097771] R13: ffffbd6f428fff10 R14: ffffbd6f428fff10 R15: ffffa28f03c31000 # [ 65.106089] FS: 00007fbb51a32580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 65.115478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.122239] CR2: 00007fbb5183c000 CR3: 00000001033c0000 CR4: 00000000003506f0 # [ 65.130550] Call Trace: # [ 65.133618] ? __warn+0x80/0x110 # [ 65.137555] ? refcount_warn_saturate+0x97/0x110 # [ 65.143059] ? report_bug+0x9e/0xc0 # [ 65.147300] ? handle_bug+0x41/0x90 # [ 65.151530] ? exc_invalid_op+0x14/0x70 # [ 65.156150] ? asm_exc_invalid_op+0x12/0x20 # [ 65.161168] ? refcount_warn_saturate+0x97/0x110 # [ 65.166661] ? refcount_warn_saturate+0x97/0x110 # [ 65.172154] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 65.178624] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 65.185190] direct_entry.cold+0x2c/0x38 # [ 65.189919] full_proxy_write+0x56/0x80 # [ 65.194545] vfs_write+0xea/0x3b0 # [ 65.198584] ksys_write+0x68/0xf0 # [ 65.202616] do_syscall_64+0x33/0x40 # [ 65.213165] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 65.225356] RIP: 0033:0x7fbb51948473 # [ 65.229674] 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 # [ 65.257267] RSP: 002b:00007ffe6<6>[ 69.278574] lkdtm: Performing direct entry REFCOUNT_INC_ZERO fd4b258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.26<6>[ 69.291425] lkdtm: attempting safe refcount_inc_not_zero() from zero 6070] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbb5<6>[ 69.305050] lkdtm: Good: zero detected 1948473 # [ 65.274422] RDX: 000000000000001f RSI: 00007fbb518<6>[ 69.315778] lkdtm: Correctly stayed at zero 3c000 RDI: 0000000000000001 # [ 65.282763] RBP: 00007fbb5183c<6>[ 69.327065] lkdtm: attempting bad refcount_inc() from zero 000 R08: 00007fbb5183b010 R09: 0000000000000000 # [ 65.291078<4>[ 69.339739] ------------[ cut here ]------------ ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000<4>[ 69.351400] refcount_t: addition on 0; use-after-free. 001 # [ 65.299391] R13: 0000000000000001 R14: 000000000002000<4>[ 69.363741] WARNING: CPU: 3 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 0 R15: 0000000000020000 # [ 65.307711] irq event stamp: 0 # <4>[ 69.379701] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 65.311450] hardirqs last enabled at (0): [<0000000000000000<4>[ 69.426059] CPU: 3 PID: 2286 Comm: cat Tainted: G D W 5.10.207-cip41 #1 >] 0x0 # [ 65.318793] hardirqs last disabled at (0): [[ 69.441259] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ffb28fd6cc>] copy_process+0x65c/0x20e0 # [ 65.328280] softirq<4>[ 69.454469] RIP: 0010:refcount_warn_saturate+0x74/0x110 s last enabled at (0): [] copy_process+0x65c/<4>[ 69.466840] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d b4 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d 0x20e0 # [ 65.337768] softirqs last disabled at (0): [<000000<4>[ 69.494449] RSP: 0018:ffffbd6f42bb7e48 EFLAGS: 00010286 0000000000>] 0x0 # [ 65.345109] ---[ end trace 3c5ada0d755306<4>[ 69.506824] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 e9 ]--- # [ 65.350595] lkdtm: Overflow detected: saturated #<4>[ 69.521391] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 se<4>[ 69.535898] RBP: ffffffffb4982de9 R08: 0000000000000000 R09: 0000000000000000 lftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: <4>[ 69.550449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 lkdtm: REFCOUNT_DEC_ZERO.sh # [ 65.699711] lkdtm: Performing <4>[ 69.564967] R13: ffffbd6f42bb7f10 R14: ffffbd6f42bb7f10 R15: ffffa28f05363000 direct entry REFCOUNT_DEC_ZERO # [ 65.711864] lkdtm: attempti<4>[ 69.579594] FS: 00007f8cd5389580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 ng good refcount_dec() # [ 65.717464] lkdtm: attempting bad r<4>[ 69.595448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 efcount_dec() to zero # [ 65.723731] ------------[ cut here ]<4>[ 69.608161] CR2: 00007f8cd5193000 CR3: 000000010387a000 CR4: 00000000003506e0 ------------ # [ 65.729215] refcount_t: decrement hit 0; leak<4>[ 69.622872] Call Trace: ing memory. # [ 65.735544] WARNING: CPU: 2 PID: 2142 at lib/r<4>[ 69.632175] ? __warn+0x80/0x110 efcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.745316]<4>[ 69.642225] ? refcount_warn_saturate+0x74/0x110 Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightba<4>[ 69.653844] ? report_bug+0x9e/0xc0 r snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger <4>[ 69.664422] ? handle_bug+0x41/0x90 cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_me<4>[ 69.674751] ? exc_invalid_op+0x14/0x70 mops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common c<4>[ 69.685693] ? asm_exc_invalid_op+0x12/0x20 ros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core<4>[ 69.696820] ? refcount_warn_saturate+0x74/0x110 snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreb<4>[ 69.708642] ? refcount_warn_saturate+0x74/0x110 oot_table # [ 65.791722] CPU: 2 PID: 2142 Comm: cat Tainted: <4>[ 69.720261] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 G D W 5.10.207-cip41 #1 # [ 65.800718] Hardware <4>[ 69.731896] direct_entry.cold+0x2c/0x38 name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.807671] RIP<4>[ 69.742703] full_proxy_write+0x56/0x80 : 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.813835] Code:<4>[ 69.753654] vfs_write+0xea/0x3b0 38 da 8d b4 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc <4>[ 69.763820] ksys_write+0x68/0xf0 cc cc 48 c7 c7 08 da 8d b4 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <<4>[ 69.774093] do_syscall_64+0x33/0x40 0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <4>[ 69.784608] entry_SYSCALL_64_after_hwframe+0x62/0xc7 8b # [ 65.835189] RSP: 0018:ffffbd6f429b7e48 EFLAGS: 00010286<4>[ 69.796857] RIP: 0033:0x7f8cd529f473 # [ 65.841361] RAX: 0000000000000000 RBX: 000000000000002f R<4>[ 69.807321] 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 CX: 0000000000000000 # [ 65.849665] RDX: ffffa28f7bd2c620 RSI<4>[ 69.835027] RSP: 002b:00007fff63557ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 # [ 65.857979] RBP: <4>[ 69.850062] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8cd529f473 ffffffffb4982dc1 R08: 0000000000000000 R09: 0000000000000000 # <4>[ 69.864588] RDX: 0000000000000012 RSI: 00007f8cd5193000 RDI: 0000000000000001 [ 65.866298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: <4>[ 69.879133] RBP: 00007f8cd5193000 R08: 00007f8cd5192010 R09: 0000000000000000 0000000000000012 # [ 65.874613] R13: ffffbd6f429b7f10 R14: ff<4>[ 69.893667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffbd6f429b7f10 R15: ffffa28f05a0c000 # [ 65.882927] FS: 0000<4>[ 69.908196] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7f61030f8580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000<4>[ 69.922753] irq event stamp: 0 000 # [ 65.892312] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008<4>[ 69.932704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0050033 # [ 65.899067] CR2: 00007f6102f02000 CR3: 00000001049<4>[ 69.946296] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 4c000 CR4: 00000000003506e0 # [ 65.907377] Call Trace: # [ <4>[ 69.961918] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 65.910441] ? __warn+0x80/0x110 # [ 65.914385] ? refcount_w<4>[ 69.977546] softirqs last disabled at (0): [<0000000000000000>] 0x0 arn_saturate+0xfb/0x110 # [ 65.926116] ? report_bug+0x9e/0xc<4>[ 69.991069] ---[ end trace 3c5ada0d755306ee ]--- 0 # [ 65.930346] ? handle_bug+0x41/0x90 # [ 65.940794] ?<6>[ 70.002778] lkdtm: Zero detected: saturated exc_invalid_op+0x14/0x70 # [ 65.945410] ? asm_exc_invalid_op+0x12/0x20 # [ 65.950421] ? refcount_warn_saturate+0xfb/0x110 # [ 65.955916] ? refcount_warn_saturate+0xfb/0x110 # [ 65.961413] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 65.966709] direct_entry.cold+0x2c/0x38 # [ 65.971424] full_proxy_write+0x56/0x80 # [ 65.976050] vfs_write+0xea/0x3b0 # [ 65.986288] ksys_write+0x68/0xf0 # [ 65.996538] do_syscall_64+0x33/0x40 # [ 66.007074] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 66.013051] RIP: 0033:0x7f610300e473 # [ 66.017373] 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 # [ 66.038741] RSP: 002b:00007fff3008a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.047579] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f610300e473 # [ 66.055913] RDX: 0000000000000012 RSI: 00007f6102f02000 RDI: 0000000000000001 # [ 66.064230] RBP: 00007f6102f02000 R08: 00007f6102f01010 R09: 0000000000000000 # [ 66.072537] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.080844] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.089164] irq event stamp: 0 # [ 66.092897] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.100239] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 66.109724] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 66.119203] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.126540] ---[ end trace 3c5ada0d755306ea ]--- # [ 66.132023] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 66.472048] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 66.480905] lkdtm: attempting bad refcount_dec() below zero # [ 66.493697] ------------[ cut here ]------------ # [ 66.505449] refcount_t: decrement hit 0; leaking memory. # [ 66.518022] WARNING: CPU: 3 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 66.533953] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 66.580355] CPU: 3 PID: 2178 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 66.595557] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.608730] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66.621149] Code: 38 da 8d b4 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 8d b4 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 66.648737] RSP: 0018:ffffbd6f42a37e48 EFLAGS: 00010286 # [ 66.661119] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 66.675661] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 # [ 66.690244] RBP: ffffffffb4982dd3 R08: 0000000000000000 R09: 0000000000000000 # [ 66.704746] R10: 00000000ff<6>[ 70.345823] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 70.357274] lkdtm: attempting safe refcount_add_not_zero() from zero ffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 66.719<6>[ 70.364724] lkdtm: Good: zero detected 312] R13: ffffbd6f42a37f10 R14: ffffbd6f42a37f10 R15: ffffa28f02<6>[ 70.375442] lkdtm: Correctly stayed at zero 7dd000 # [ 66.733835] FS: 00007fb0fd04d580(0000) GS:ffffa28f<6>[ 70.386661] lkdtm: attempting bad refcount_add() from zero 7bd80000(0000) knlGS:0000000000000000 # [ 66.749478] CS: 001<4>[ 70.399337] ------------[ cut here ]------------ <4>[ 70.411053] refcount_t: addition on 0; use-after-free. 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.762429] CR2:<4>[ 70.417183] WARNING: CPU: 0 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 00007fb0fce57000 CR3: 0000000106656000 CR4: 00000000003506e0 #<4>[ 70.433236] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 70.479722] CPU: 0 PID: 2319 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 70.488718] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 70.495672] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 70.501845] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d b4 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d <4>[ 70.523210] RSP: 0018:ffffbd6f42c27e48 EFLAGS: 00010286 <4>[ 70.529385] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 70.537685] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 70.545995] RBP: ffffffffb4982dfb R08: 0000000000000000 R09: 0000000000000000 <4>[ 70.554308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 70.562622] R13: ffffbd6f42c27f10 R14: ffffbd6f42c27f10 R15: ffffa28f06082000 <4>[ 70.570936] FS: 00007f625bbf9580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 70.580310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 70.587062] CR2: 00007f625ba03000 CR3: 0000000105a52000 CR4: 00000000003506f0 <4>[ 70.595374] Call Trace: <4>[ 70.598440] ? __warn+0x80/0x110 <4>[ 70.602373] ? refcount_warn_saturate+0x74/0x110 <4>[ 70.607867] ? report_bug+0x9e/0xc0 <4>[ 70.612095] ? handle_bug+0x41/0x90 <4>[ 70.616320] ? exc_invalid_op+0x14/0x70 [ 66.777019] Call Trace: # [ 66.786559] ? __warn+0x80/0x1<4>[ 70.620936] ? asm_exc_invalid_op+0x12/0x20 <4>[ 70.632154] ? refcount_warn_saturate+0x74/0x110 <4>[ 70.637647] ? refcount_warn_saturate+0x74/0x110 10 # [ 66.796468] ? refcount_warn_saturate+0xfb/0x110 # [ <4>[ 70.643147] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 66.808363] ? report_bug+0x9e/0xc0 # [ 66.818803] ? handle_<4>[ 70.654656] direct_entry.cold+0x2c/0x38 bug+0x41/0x90 # [ 66.829165] ? exc_invalid_op+0x14/0x70 # [<4>[ 70.665590] full_proxy_write+0x56/0x80 <4>[ 70.676427] vfs_write+0xea/0x3b0 <4>[ 70.680455] ksys_write+0x68/0xf0 <4>[ 70.684489] do_syscall_64+0x33/0x40 <4>[ 70.688811] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 70.694790] RIP: 0033:0x7f625bb0f473 <4>[ 70.699110] 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>[ 70.720474] RSP: 002b:00007ffd34989d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 70.729279] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f625bb0f473 <4>[ 70.737591] RDX: 0000000000000012 RSI: 00007f625ba03000 RDI: 0000000000000001 <4>[ 70.745904] RBP: 00007f625ba03000 R08: 00007f625ba02010 R09: 0000000000000000 <4>[ 70.754214] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 70.762525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 70.770848] irq event stamp: 0 <4>[ 70.774583] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 70.781926] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 70.791402] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 70.800882] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 70.808226] ---[ end trace 3c5ada0d755306ef ]--- <6>[ 70.813707] lkdtm: Zero detected: saturated 66.840007] ? asm_exc_invalid_op+0x12/0x20 # [ 66.851134] ? refcount_warn_saturate+0xfb/0x110 # [ 66.862955] ? refcount_warn_saturate+0xfb/0x110 # [ 66.874582] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 66.886534] direct_entry.cold+0x2c/0x38 # [ 66.897429] full_proxy_write+0x56/0x80 # [ 66.908334] vfs_write+0xea/0x3b0 # [ 66.918487] ksys_write+0x68/0xf0 # [ 66.928881] do_syscall_64+0x33/0x40 # [ 66.939306] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 66.951560] RIP: 0033:0x7fb0fcf63473 # [ 66.961991] 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 # [ 66.989703] RSP: 002b:00007ffdb7157a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.004644] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb0fcf63473 # [ 67.019208] RDX: 0000000000000016 RSI: 00007fb0fce57000 RDI: 0000000000000001 # [ 67.033697] RBP: 00007fb0fce57000 R08: 00007fb0fce56010 R09: 0000000000000000 # [ 67.048290] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.062754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.077382] irq event stamp: 0 # [ 67.087265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.100910] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 67.116502] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 67.132342] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.145806] ---[ end trace 3c5ada0d755306eb ]--- # [ 67.157538] lkdtm: Negative detected: saturated # [ 67.170116] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) # [ 67.187675] platform MX98357A:00: deferred probe pending # [ 67.196351] pci 0000:00:1b.0: deferred probe pending # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 67.520140] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 67.534268] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 67.541710] ------------[ cut here ]------------ # [ 67.547203] refcount_t: underflow; use-after-free. # [ 67.559155] WARNING: CPU: 0 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 67.575098] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 67.621530] CPU: 0 PID: 2217 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 67.630526] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.637484] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 67.643658] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d b4 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 67.671241] RSP: 0018:ffffbd6f42ab7e40 EFLAGS: 00010286 # [ 67.677415] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 67.685716] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 67.6940<6>[ 71.165958] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 71.175086] lkdtm: attempting bad refcount_inc() from saturated 19] RBP: ffffffffb4982a28 R08: 0000000000000000 R09: 00000000000<4>[ 71.182056] ------------[ cut here ]------------ <4>[ 71.193782] refcount_t: saturated; leaking memory. 00000 # [ 67.702331] R10: 00000000ffffe000 R11: 3ffffffffffff<4>[ 71.199518] WARNING: CPU: 1 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 fff R12: 000000000000001f # [ 67.716861] R13: ffffbd6f42ab7f1<4>[ 71.215496] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 0 R14: ffffbd6f42ab7f10 R15: ffffa28f05a11000 # [ 67.725180] <4>[ 71.261925] CPU: 1 PID: 2355 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 71.277158] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 71.284119] RIP: 0010:refcount_warn_saturate+0x51/0x110 FS: 00007fcb7ac68580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000<4>[ 71.290298] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 8d b4 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d <4>[ 71.317871] RSP: 0018:ffffbd6f42cbfe48 EFLAGS: 00010286 <4>[ 71.324040] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 71.332356] RDX: ffffa28f7bcac620 RSI: ffffa28f7bc9bf50 RDI: ffffa28f7bc9bf50 <4>[ 71.340674] RBP: ffffffffb4982e0d R08: 0000000000000000 R09: 0000000000000000 <4>[ 71.348990] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 000000000000 # [ 67.734565] CS: 0010 DS: 0000 ES: 0000 CR0: <4>[ 71.357307] R13: ffffbd6f42cbff10 R14: ffffbd6f42cbff10 R15: ffffa28f0272c000 <4>[ 71.371854] FS: 00007f278d8a2580(0000) GS:ffffa28f7bc80000(0000) knlGS:0000000000000000 0000000080050033 # [ 67.741314] CR2: 00007fcb7aa72000 CR3: 00<4>[ 71.381247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 71.394201] CR2: 00007f278d6ac000 CR3: 000000010600a000 CR4: 00000000003506e0 <4>[ 71.402524] Call Trace: 00000105bd6000 CR4: 00000000003506f0 # [ 67.749624] Call Trac<4>[ 71.405595] ? __warn+0x80/0x110 <4>[ 71.415771] ? refcount_warn_saturate+0x51/0x110 e: # [ 67.752691] ? __warn+0x80/0x110 # [ 67.756632] ? r<4>[ 71.421269] ? report_bug+0x9e/0xc0 <4>[ 71.431699] ? handle_bug+0x41/0x90 <4>[ 71.435928] ? exc_invalid_op+0x14/0x70 efcount_warn_saturate+0xba/0x110 # [ 67.762128] ? report_bug<4>[ 71.440570] ? asm_exc_invalid_op+0x12/0x20 +0x9e/0xc0 # [ 67.766353] ? handle_bug+0x41/0x90 # [ 67.7<4>[ 71.451777] ? refcount_warn_saturate+0x51/0x110 <4>[ 71.463485] ? refcount_warn_saturate+0x51/0x110 70573] ? exc_invalid_op+0x14/0x70 # [ 67.775179] ? asm_exc_<4>[ 71.468988] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 invalid_op+0x12/0x20 # [ 67.780192] ? refcount_warn_saturate<4>[ 71.481022] direct_entry.cold+0x2c/0x38 <4>[ 71.491975] full_proxy_write+0x56/0x80 <4>[ 71.496591] vfs_write+0xea/0x3b0 <4>[ 71.500627] ksys_write+0x68/0xf0 +0xba/0x110 # [ 67.785686] __refcount_sub_and_test.constprop<4>[ 71.504701] do_syscall_64+0x33/0x40 .0+0x3c/0x50 # [ 67.792143] lkdtm_REFCOUNT_DEC_AND_TEST_NEGA<4>[ 71.515261] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 71.527474] RIP: 0033:0x7f278d7b8473 <4>[ 71.531798] 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>[ 71.553165] RSP: 002b:00007ffcfc8a92a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 71.561975] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f278d7b8473 TIVE+0x3e/0x78 # [ 67.798706] direct_entry.cold+0x2c/0x38 #<4>[ 71.570292] RDX: 0000000000000017 RSI: 00007f278d6ac000 RDI: 0000000000000001 <4>[ 71.584841] RBP: 00007f278d6ac000 R08: 00007f278d6ab010 R09: 0000000000000000 <4>[ 71.593155] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 71.601464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 71.609790] irq event stamp: 0 [ 67.803423] full_proxy_write+0x56/0x80 # [ 67.808044] v<4>[ 71.613529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 71.627070] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 71.636562] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 71.646047] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 71.653389] ---[ end trace 3c5ada0d755306f0 ]--- <6>[ 71.658879] lkdtm: Saturation detected: still saturated fs_write+0xea/0x3b0 # [ 67.812084] ksys_write+0x68/0xf0 # [ 67.816121] do_syscall_64+0x33/0x40 # [ 67.820450] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 67.826429] RIP: 0033:0x7fcb7ab7e473 # [ 67.830754] 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 # [ 67.852120] RSP: 002b:00007ffdab9dedd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.860925] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcb7ab7e473 # [ 67.869240] RDX: 000000000000001f RSI: 00007fcb7aa72000 RDI: 0000000000000001 # [ 67.877557] RBP: 00007fcb7aa72000 R08: 00007fcb7aa71010 R09: 0000000000000000 # [ 67.885862] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.894150] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.908689] irq event stamp: 0 # [ 67.918653] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.925999] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 67.935481] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 67.944971] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.952310] ---[ end trace 3c5ada0d755306ec ]--- # [ 67.957799] 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 # [ 68.296269] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 68.307772] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 68.315207] ------------[ cut here ]------------ # [ 68.320701] refcount_t: underflow; use-after-free. # [ 68.332665] WARNING: CPU: 0 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 68.348672] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 68.395108] CPU: 0 PID: 2253 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 68.404104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.411060] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 68.417236] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d b4 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 68.438611] RSP: 0018:ffffbd6f42b3fe40 EFLAGS: 00010286 # [ 68.444783] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 68.453089] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 68.461399] RBP: ffffffffb4982a48 R08: 0000000000000000 R09: 0000000000000000 # [ 68.469713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 68.478026] R13: ffffbd6f42b3ff10 R14: ffffbd6f42b3ff10 R15: ffffa28f05bd6000 # [ 68.492549] FS: 00007f591c3a7580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 68.508154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.521120] CR2: 00007f591c1b1000 CR3: 0000000105a46000 CR4: 00000000003506f0 # [ 68.535661] Call Trace: # [ 68.544950] ? __warn+0x80/0x110 # [ 68.555095] ? refcount_warn_saturate+0xba/0x110 # [ 68.566807] ? report_bug+0x9e/0xc0 # [ 68.577246] ? handle_bug+0x41/0x90 # [ 68.5876<6>[ 72.029416] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 72.040023] lkdtm: attempting bad refcount_dec() from saturated <4>[ 72.046999] ------------[ cut here ]------------ <4>[ 72.052492] refcount_t: decrement hit 0; leaking memory. <4>[ 72.058815] WARNING: CPU: 0 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 82] ? exc_invalid_op+0x14/0x70 # [ 68.598516] ? asm_exc_inv<4>[ 72.068590] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 72.115033] CPU: 0 PID: 2391 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 72.124032] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 72.130989] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 72.137164] Code: 38 da 8d b4 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da 8d b4 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 72.158542] RSP: 0018:ffffbd6f42d3fe48 EFLAGS: 00010286 <4>[ 72.164716] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 72.173017] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 72.181337] RBP: ffffffffb4982e24 R08: 0000000000000000 R09: 0000000000000000 <4>[ 72.189654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 72.197966] R13: ffffbd6f42d3ff10 R14: ffffbd6f42d3ff10 R15: ffffa28f032e9000 <4>[ 72.206280] FS: 00007f218e3d1580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 72.215654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 72.222407] CR2: 00007f218e1db000 CR3: 0000000102f04000 CR4: 00000000003506f0 <4>[ 72.230719] Call Trace: <4>[ 72.233784] ? __warn+0x80/0x110 <4>[ 72.237718] ? refcount_warn_saturate+0xfb/0x110 <4>[ 72.243210] ? report_bug+0x9e/0xc0 alid_op+0x12/0x20 # [ 68.609732] ? refcount_warn_saturate+0x<4>[ 72.247445] ? handle_bug+0x41/0x90 <4>[ 72.257884] ? exc_invalid_op+0x14/0x70 <4>[ 72.262500] ? asm_exc_invalid_op+0x12/0x20 <4>[ 72.267512] ? refcount_warn_saturate+0xfb/0x110 <4>[ 72.273008] ? refcount_warn_saturate+0xfb/0x110 <4>[ 72.278503] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 72.284289] direct_entry.cold+0x2c/0x38 <4>[ 72.289016] full_proxy_write+0x56/0x80 <4>[ 72.293635] vfs_write+0xea/0x3b0 <4>[ 72.297667] ksys_write+0x68/0xf0 ba/0x110 # [ 68.621447] __refcount_sub_and_test.constprop.0+<4>[ 72.301711] do_syscall_64+0x33/0x40 0x3c/0x50 # [ 68.634134] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIV<4>[ 72.312258] entry_SYSCALL_64_after_hwframe+0x62/0xc7 E+0x3e/0x7b # [ 68.646922] direct_entry.cold+0x2c/0x38 # [ <4>[ 72.324460] RIP: 0033:0x7f218e2e7473 68.657864] full_proxy_write+0x56/0x80 # [ 68.668707] vfs_<4>[ 72.335005] 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 write+0xea/0x3b0 # [ 68.678952] ksys_write+0x68/0xf0 # [ <4>[ 72.362581] RSP: 002b:00007ffce29d3ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 68.689209] do_syscall_64+0x33/0x40 # [ 68.699760] entry_SYS<4>[ 72.377604] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f218e2e7473 CALL_64_after_hwframe+0x62/0xc7 # [ 68.711968] RIP: 0033:0x7f<4>[ 72.392130] RDX: 0000000000000017 RSI: 00007f218e1db000 RDI: 0000000000000001 591c2bd473 # [ 68.722506] Code: 8b 15 21 2a 0e 00 f7 d8 64 89<4>[ 72.406661] RBP: 00007f218e1db000 R08: 00007f218e1da010 R09: 0000000000000000 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 <4>[ 72.421199] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f<4>[ 72.435730] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.750089] RSP: 002b<4>[ 72.450274] irq event stamp: 0 :00007fff303cdf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #<4>[ 72.460209] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.765101] RAX: ffffffffffffffda RBX: 000000000000001f RCX:<4>[ 72.473759] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00007f591c2bd473 # [ 68.779617] RDX: 000000000000001f RSI: 0<4>[ 72.489451] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0007f591c1b1000 RDI: 0000000000000001 # [ 68.794142] RBP: 000<4>[ 72.505134] softirqs last disabled at (0): [<0000000000000000>] 0x0 07f591c1b1000 R08: 00007f591c1b0010 R09: 0000000000000000 # [ <4>[ 72.518687] ---[ end trace 3c5ada0d755306f1 ]--- 68.808665] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000<6>[ 72.530377] lkdtm: Saturation detected: still saturated 0000000000001 # [ 68.823201] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.837716] irq event stamp: 0 # [ 68.847657] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.861214] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 68.876907] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 68.892598] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.906160] ---[ end trace 3c5ada0d755306ed ]--- # [ 68.917861] 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 # [ 69.278574] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 69.291425] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 69.305050] lkdtm: Good: zero detected # [ 69.315778] lkdtm: Correctly stayed at zero # [ 69.327065] lkdtm: attempting bad refcount_inc() from zero # [ 69.339739] ------------[ cut here ]------------ # [ 69.351400] refcount_t: addition on 0; use-after-free. # [ 69.363741] WARNING: CPU: 3 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 69.379701] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 69.426059] CPU: 3 PID: 2286 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 69.441259] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.454469] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 69.466840] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d b4 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d # [ 69.494449] RSP: 0018:ffffbd6f42bb7e48 EFLAGS: 00010286 # [ 69.506824] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 69.521391] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 # [ 69.535898] RBP: ffffffffb4982de9 R08: 0000000000000000 R09: 0000000000000000 # [ 69.550449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 69.564967] R13: ffffbd6f42bb7f10 R14: ffffbd6f42bb7f10 R15: ffffa28f05363000 # [ 69.579594] FS: 00007f8cd5389580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 # [ 69.595448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.608161] CR2: 00007f8cd5193000 CR3: 000000010387a000 CR4: 00000000003506e0 # [ 69.622872] Call Trace: # [ 69.632175] ? __warn+0x80/0x110 # [ 69.642225] ? refcount_warn_saturate+0x74/0x110 # [ 69.653844] ? report_bug+0x9e/0xc0 # [ 69.664422] ? handle_bug+0x41/0x90 # [ 69.674751] ? exc_invalid_op+0x14/0x70 # [ 69.685693] ? asm_exc_invalid_op+0x12/0x20 # [ 69.696820] ? refcount_warn_saturate+0x74/0x110 # [ 69.708642] ? refcount_warn_saturate+0x74/0x110 # [ 69.720261] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 69.731896] direct_entry.cold+0x2c/0x38 # [ 69.742703] full_proxy_write+0x56/0x80 # [ 69.753654] vfs_write+0xea/0x3b0 # [ 69.763820] ksys_write+0x68/0xf0 # [ 69.774093] do_syscall_64+0x33/0x40 # [ 69.784608] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 69.796857] RIP: 0033:0x7f8cd529f473 # [ 69.807321] 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 0<6>[ 72.908181] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 72.918011] lkdtm: attempting bad refcount_dec() from saturated <4>[ 72.924976] ------------[ cut here ]------------ <4>[ 72.930473] refcount_t: saturated; leaking memory. <4>[ 72.936206] WARNING: CPU: 0 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 <4>[ 72.945976] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table ec 28 48 89 54 24 18 # [ 69.835027] RSP: 002b:00007fff63557ab<4>[ 72.992355] CPU: 0 PID: 2427 Comm: cat Tainted: G D W 5.10.207-cip41 #1 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.850062] <4>[ 73.007585] Hardware name: Google Coral/Coral, BIOS 09/29/2020 RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8cd529f47<4>[ 73.020778] RIP: 0010:refcount_warn_saturate+0x51/0x110 3 # [ 69.864588] RDX: 0000000000000012 RSI: 00007f8cd5193000 <4>[ 73.033163] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 8d b4 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d RDI: 0000000000000001 # [ 69.879133] RBP: 00007f8cd5193000 R0<4>[ 73.060740] RSP: 0018:ffffbd6f42dcfe48 EFLAGS: 00010286 8: 00007f8cd5192010 R09: 0000000000000000 # [ 69.893667] R10:<4>[ 73.073125] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #<4>[ 73.087658] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 [ 69.908196] R13: 0000000000000001 R14: 0000000000020000 R15:<4>[ 73.102188] RBP: ffffffffb4982e3b R08: 0000000000000000 R09: 0000000000000000 0000000000020000 # [ 69.922753] irq event stamp: 0<4>[ 73.116715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 69.932704] hardirqs last enabled at (0): [<000000000000<4>[ 73.130265] R13: ffffbd6f42dcff10 R14: ffffbd6f42dcff10 R15: ffffa28f02c87000 0000>] 0x0<4>[ 73.144795] FS: 00007fc389bcf580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 69.946296] hardirqs last disabled at (0): [[ 73.155136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 d6cc>] copy_process+0x65c/0x20e0 # [ 69.961918] softirqs last<4>[ 73.168099] CR2: 00007fc3899d9000 CR3: 000000010286c000 CR4: 00000000003506f0 enabled at (0): [] copy_process+0x65c/0x20e0<4>[ 73.182615] Call Trace: # [ 69.977546] softirqs last disabled at (0): [<000000000000<4>[ 73.191908] ? __warn+0x80/0x110 0000>] 0x0 # [ 69.991069] ---[ end trace 3c5ada0d755306ee ]--<4>[ 73.202040] ? refcount_warn_saturate+0x51/0x110 - # [ 70.002778] lkdtm: Zero detected: saturated<4>[ 73.213743] ? report_bug+0x9e/0xc0 <4>[ 73.222922] ? handle_bug+0x41/0x90 <4>[ 73.227142] ? exc_invalid_op+0x14/0x70 <4>[ 73.231939] ? asm_exc_invalid_op+0x12/0x20 # REFCOUNT_INC_ZERO: saw 'call trace:': ok<4>[ 73.236947] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.246504] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.252002] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm<4>[ 73.257963] direct_entry.cold+0x2c/0x38 : REFCOUNT_ADD_ZERO.sh # [ 70.345823] lkdtm: Performing direc<4>[ 73.268896] full_proxy_write+0x56/0x80 t entry REFCOUNT_ADD_ZERO # [ 70.357274] lkdtm: attempting sa<4>[ 73.279720] vfs_write+0xea/0x3b0 fe refcount_add_not_zero() from zero # [ 70.364724] lkdtm: Go<4>[ 73.289964] ksys_write+0x68/0xf0 od: zero detected # [ 70.375442] lkdtm: Correctly stayed at z<4>[ 73.300208] do_syscall_64+0x33/0x40 ero # [ 70.386661] lkdtm: attempting bad refcount_add() from <4>[ 73.310741] entry_SYSCALL_64_after_hwframe+0x62/0xc7 zero # [ 70.399337] ------------[ cut here ]------------ # [<4>[ 73.322931] RIP: 0033:0x7fc389ae5473 70.411053] refcount_t: addition on 0; use-after-free. # [ <4>[ 73.333471] 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 70.417183] WARNING: CPU: 0 PID: 2319 at lib/refcount.c:25 refcou<4>[ 73.361048] RSP: 002b:00007ffd231aeb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 nt_warn_saturate+0x74/0x110 # [ 70.433236] Modules linked in:<4>[ 73.376062] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc389ae5473 fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a<4>[ 73.390592] RDX: 0000000000000017 RSI: 00007fc3899d9000 RDI: 0000000000000001 cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev vid<4>[ 73.405125] RBP: 00007fc3899d9000 R08: 00007fc3899d8010 R09: 0000000000000000 eobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2<4>[ 73.419657] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_<4>[ 73.434176] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_p<4>[ 73.448717] irq event stamp: 0 cm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 70<4>[ 73.458661] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .479722] CPU: 0 PID: 2319 Comm: cat Tainted: G D W <4>[ 73.472239] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 5.10.207-cip41 #1 # [ 70.488718] Hardware name: Google Coral/<4>[ 73.487930] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 Coral, BIOS 09/29/2020 # [ 70.495672] RIP: 0010:refcount_war<4>[ 73.503631] softirqs last disabled at (0): [<0000000000000000>] 0x0 n_saturate+0x74/0x110 # [ 70.501845] Code: 02 01 e8 09 f0 c5 <4>[ 73.517195] ---[ end trace 3c5ada0d755306f2 ]--- 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d<6>[ 73.528894] lkdtm: Saturation detected: still saturated 9 8d b4 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d # [ 70.523210] RSP: 0018:ffffbd6f42c27e48 EFLAGS: 00010286 # [ 70.529385] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 70.537685] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 70.545995] RBP: ffffffffb4982dfb R08: 0000000000000000 R09: 0000000000000000 # [ 70.554308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 70.562622] R13: ffffbd6f42c27f10 R14: ffffbd6f42c27f10 R15: ffffa28f06082000 # [ 70.570936] FS: 00007f625bbf9580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 70.580310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.587062] CR2: 00007f625ba03000 CR3: 0000000105a52000 CR4: 00000000003506f0 # [ 70.595374] Call Trace: # [ 70.598440] ? __warn+0x80/0x110 # [ 70.602373] ? refcount_warn_saturate+0x74/0x110 # [ 70.607867] ? report_bug+0x9e/0xc0 # [ 70.612095] ? handle_bug+0x41/0x90 # [ 70.616320] ? exc_invalid_op+0x14/0x70 # [ 70.620936] ? asm_exc_invalid_op+0x12/0x20 # [ 70.632154] ? refcount_warn_saturate+0x74/0x110 # [ 70.637647] ? refcount_warn_saturate+0x74/0x110 # [ 70.643147] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 70.654656] direct_entry.cold+0x2c/0x38 # [ 70.665590] full_proxy_write+0x56/0x80 # [ 70.676427] vfs_write+0xea/0x3b0 # [ 70.680455] ksys_write+0x68/0xf0 # [ 70.684489] do_syscall_64+0x33/0x40 # [ 70.688811] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 70.694790] RIP: 0033:0x7f625bb0f473 # [ 70.699110] 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 # [ 70.720474] RSP: 002b:00007ffd34989d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.729279] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f625bb0f473 # [ 70.737591] RDX: 0000000000000012 RSI: 00007f625ba03000 RDI: 0000000000000001 # [ 70.745904] RBP: 00007f625ba03000 R08: 00007f625ba02010 R09: 0000000000000000 # [ 70.754214] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.762525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.770848] irq event stamp: 0 # [ 70.774583] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.781926] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.791402] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.800882] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.808226] ---[ end trace 3c5ada0d755306ef ]--- # [ 70.813707] 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 # [ 71.165958] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 71.175086] lkdtm: attempting bad refcount_inc() from saturated # [ 71.182056] ------------[ cut here ]------------ # [ 71.193782] refcount_t: saturated; leaking memory. # [ 71.199518] WARNING: CPU: 1 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 71.215496] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 71.261925] CPU: 1 PID: 2355 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 71.277158] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ <6>[ 73.915703] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 73.929593] lkdtm: attempting bad refcount_inc_not_zero() from saturated 71.284119] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 7<4>[ 73.937441] ------------[ cut here ]------------ <4>[ 73.949160] refcount_t: saturated; leaking memory. 1.290298] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d <4>[ 73.954896] WARNING: CPU: 2 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 8d b4 c6 05 29 fa 16 02 01 e<4>[ 73.970967] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb <4>[ 74.017427] CPU: 2 PID: 2460 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 74.032664] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 74.039622] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 74.045796] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d b4 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d <4>[ 74.067167] RSP: 0018:ffffbd6f42e3fe38 EFLAGS: 00010282 48 c7 c7 b0 d9 8d # [ 71.317871] RSP: 0018:ffffbd6f42cbfe48 E<4>[ 74.073338] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 74.087876] RDX: ffffa28f7bd2c620 RSI: ffffa28f7bd1bf50 RDI: ffffa28f7bd1bf50 <4>[ 74.096186] RBP: ffffffffb4982a68 R08: 0000000000000000 R09: 0000000000000000 <4>[ 74.104492] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 74.112798] R13: ffffbd6f42e3ff10 R14: ffffbd6f42e3ff10 R15: ffffa28f0275a000 <4>[ 74.121102] FS: 00007f887e10b580(0000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 <4>[ 74.130476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 74.137228] CR2: 00007f887df15000 CR3: 00000001061d8000 CR4: 00000000003506e0 <4>[ 74.145531] Call Trace: <4>[ 74.148596] ? __warn+0x80/0x110 <4>[ 74.152527] ? refcount_warn_saturate+0x97/0x110 <4>[ 74.158016] ? report_bug+0x9e/0xc0 <4>[ 74.162246] ? handle_bug+0x41/0x90 <4>[ 74.166471] ? exc_invalid_op+0x14/0x70 <4>[ 74.171083] ? asm_exc_invalid_op+0x12/0x20 <4>[ 74.176091] ? refcount_warn_saturate+0x97/0x110 <4>[ 74.181584] ? refcount_warn_saturate+0x97/0x110 <4>[ 74.187075] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 74.193542] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 FLAGS: 00010286 # [ 71.324040] RAX: 0000000000000000 RBX: 000<4>[ 74.200209] direct_entry.cold+0x2c/0x38 0000000000035 RCX: 0000000000000000 # [ 71.332356] RDX: ffffa<4>[ 74.211128] full_proxy_write+0x56/0x80 28f7bcac620 RSI: ffffa28f7bc9bf50 RDI: ffffa28f7bc9bf50 # [ 7<4>[ 74.221961] vfs_write+0xea/0x3b0 <4>[ 74.232217] ksys_write+0x68/0xf0 <4>[ 74.236256] do_syscall_64+0x33/0x40 <4>[ 74.240581] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 74.246559] RIP: 0033:0x7f887e021473 <4>[ 74.250880] 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>[ 74.272240] RSP: 002b:00007ffe2695a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 74.281041] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f887e021473 <4>[ 74.289349] RDX: 0000000000000020 RSI: 00007f887df15000 RDI: 0000000000000001 1.340674] RBP: ffffffffb4982e0d R08: 0000000000000000 R09: 00000<4>[ 74.297660] RBP: 00007f887df15000 R08: 00007f887df14010 R09: 0000000000000000 <4>[ 74.312178] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 74.320485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 74.328802] irq event stamp: 0 <4>[ 74.332534] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 74.339870] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00000000000 # [ 71.348990] R10: 00000000ffffe000 R11: 3ffffff<4>[ 74.349345] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 74.365043] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.372374] ---[ end trace 3c5ada0d755306f3 ]--- <6>[ 74.377856] lkdtm: Saturation detected: still saturated fffffffff R12: 0000000000000017 # [ 71.357307] R13: ffffbd6f42cbff10 R14: ffffbd6f42cbff10 R15: ffffa28f0272c000 # [ 71.371854] FS: 00007f278d8a2580(0000) GS:ffffa28f7bc80000(0000) knlGS:0000000000000000 # [ 71.381247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.394201] CR2: 00007f278d6ac000 CR3: 000000010600a000 CR4: 00000000003506e0 # [ 71.402524] Call Trace: # [ 71.405595] ? __warn+0x80/0x110 # [ 71.415771] ? refcount_warn_saturate+0x51/0x110 # [ 71.421269] ? report_bug+0x9e/0xc0 # [ 71.431699] ? handle_bug+0x41/0x90 # [ 71.435928] ? exc_invalid_op+0x14/0x70 # [ 71.440570] ? asm_exc_invalid_op+0x12/0x20 # [ 71.451777] ? refcount_warn_saturate+0x51/0x110 # [ 71.463485] ? refcount_warn_saturate+0x51/0x110 # [ 71.468988] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 71.481022] direct_entry.cold+0x2c/0x38 # [ 71.491975] full_proxy_write+0x56/0x80 # [ 71.496591] vfs_write+0xea/0x3b0 # [ 71.500627] ksys_write+0x68/0xf0 # [ 71.504701] do_syscall_64+0x33/0x40 # [ 71.515261] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 71.527474] RIP: 0033:0x7f278d7b8473 # [ 71.531798] 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 # [ 71.553165] RSP: 002b:00007ffcfc8a92a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.561975] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f278d7b8473 # [ 71.570292] RDX: 0000000000000017 RSI: 00007f278d6ac000 RDI: 0000000000000001 # [ 71.584841] RBP: 00007f278d6ac000 R08: 00007f278d6ab010 R09: 0000000000000000 # [ 71.593155] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.601464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.609790] irq event stamp: 0 # [ 71.613529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.627070] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 71.636562] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 71.646047] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.653389] ---[ end trace 3c5ada0d755306f0 ]--- # [ 71.658879] 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 # [ 72.029416] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 72.040023] lkdtm: attempting bad refcount_dec() from saturated # [ 72.046999] ------------[ cut here ]------------ # [ 72.052492] refcount_t: decrement hit 0; leaking memory. # [ 72.058815] WARNING: CPU: 0 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 72.068590] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 72.115033] CPU: 0 PID: 2391 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 72.124032] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.130989] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 72.137164] Code: 38 da 8d b4 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 da <6>[ 74.736762] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 8d b4 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc<6>[ 74.747585] lkdtm: attempting bad refcount_add_not_zero() from saturated 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 72.158542] <4>[ 74.761666] ------------[ cut here ]------------ RSP: 0018:ffffbd6f42d3fe48 EFLAGS: 00010286 # [ 72.164716] RA<4>[ 74.773378] refcount_t: saturated; leaking memory. X: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 74.785324] WARNING: CPU: 3 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 72.173017] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RD<4>[ 74.801355] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table I: ffffa28f7bc1bf50 # [ 72.181337] RBP: ffffffffb4982e24 R08:<4>[ 74.847731] CPU: 3 PID: 2493 Comm: cat Tainted: G D W 5.10.207-cip41 #1 0000000000000000 R09: 0000000000000000 # [ 72.189654] R10: 0<4>[ 74.862897] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [<4>[ 74.876105] RIP: 0010:refcount_warn_saturate+0x97/0x110 72.197966] R13: ffffbd6f42d3ff10 R14: ffffbd6f42d3ff10 R15: f<4>[ 74.888478] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d b4 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d fffa28f032e9000 # [ 72.206280] FS: 00007f218e3d1580(0000) GS<6>[ 74.914865] PDLOG 2024/01/13 06:01:42.688 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA :ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 72.215654]<4>[ 74.916127] RSP: 0018:ffffbd6f42ecfe38 EFLAGS: 00010282 <6>[ 74.933413] PDLOG 2024/01/13 06:01:42.688 P1 Disconnected CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.222<4>[ 74.945610] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 407] CR2: 00007f218e1db000 CR3: 0000000102f04000 CR4: 0000000000<6>[ 74.952174] PDLOG 2024/01/13 06:01:42.735 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA 3506f0 # [ 72.230719] Call Trace: # [ 72.233784] ? __warn<4>[ 74.966488] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 +0x80/0x110 # [ 72.237718] ? refcount_warn_saturate+0xfb/0x1<6>[ 74.983730] PDLOG 2024/01/13 06:01:42.769 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA 10 # [ 72.243210] ? report_bug+0x9e/0xc0 # [ 72.247445] <4>[ 74.997892] RBP: ffffffffb4982a88 R08: 0000000000000000 R09: 0000000000000000 ? handle_bug+0x41/0x90 # [ 72.257884] ? exc_invalid_op+0x14/<6>[ 75.015245] PDLOG 2024/01/13 06:01:42.870 P1 SNK Charger ??? 5251mV max 15000mV / 3000mA 0x70 # [ 72.262500] ? asm_exc_invalid_op+0x12/0x20 # [ 72<4>[ 75.029394] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 .267512] ? refcount_warn_saturate+0xfb/0x110 # [ 72.273008] <6>[ 75.045492] PDLOG 2024/01/13 06:01:42.994 P1 SNK Charger ??? 5236mV max 5000mV / 3000mA ? refcount_warn_saturate+0xfb/0x110 # [ 72.278503] lkdtm_RE<4>[ 75.059585] R13: ffffbd6f42ecff10 R14: ffffbd6f42ecff10 R15: ffffa28f03c61000 FCOUNT_DEC_SATURATED+0x37/0x5f # [ 72.284289] direct_entry.c<6>[ 75.075479] PDLOG 2024/01/13 06:01:43.007 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA old+0x2c/0x38 # [ 72.289016] full_proxy_write+0x56/0x80 # [<4>[ 75.089620] FS: 00007f4d466d0580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 72.293635] vfs_write+0xea/0x3b0 # [ 72.297667] ksys_writ<6>[ 75.106948] PDLOG 2024/01/13 06:01:43.184 P1 SNK Charger ??? 15204mV max 15000mV / 3000mA e+0x68/0xf0 # [ 72.301711] do_syscall_64+0x33/0x40 # [ 72<4>[ 75.122201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .312258] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 72.324<6>[ 75.138313] PDLOG 2024/01/13 06:01:45.879 P1 SNK Charger PD 15211mV max 15000mV / 3000mA 460] RIP: 0033:0x7f218e2e7473 # [ 72.335005] Code: 8b 15 21 2<4>[ 75.150893] CR2: 00007f4d464da000 CR3: 000000010279e000 CR4: 00000000003506e0 a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b<4>[ 75.181047] Call Trace: 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f<4>[ 75.190377] ? __warn+0x80/0x110 0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 7<4>[ 75.200459] ? refcount_warn_saturate+0x97/0x110 2.362581] RSP: 002b:00007ffce29d3ab8 EFLAGS: 00000246 ORIG_RAX: <4>[ 75.212355] ? report_bug+0x9e/0xc0 0000000000000001 # [ 72.377604] RAX: ffffffffffffffda RBX: 00<4>[ 75.222702] ? handle_bug+0x41/0x90 00000000000017 RCX: 00007f218e2e7473 # [ 72.392130] RDX: 0000<4>[ 75.233211] ? exc_invalid_op+0x14/0x70 000000000017 RSI: 00007f218e1db000 RDI: 0000000000000001 # [ <4>[ 75.243933] ? asm_exc_invalid_op+0x12/0x20 72.406661] RBP: 00007f218e1db000 R08: 00007f218e1da010 R09: 0000<4>[ 75.255213] ? refcount_warn_saturate+0x97/0x110 000000000000 # [ 72.421199] R10: fffffffffffffbc5 R11: 000000<4>[ 75.266876] ? refcount_warn_saturate+0x97/0x110 0000000246 R12: 0000000000000001 # [ 72.435730] R13: 00000000<4>[ 75.278673] __refcount_add_not_zero.constprop.0+0x2a/0x35 00000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.4<4>[ 75.291256] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 50274] irq event stamp: 0 # [ 72.460209] hardirqs last enabl<4>[ 75.304295] direct_entry.cold+0x2c/0x38 ed at (0): [<0000000000000000>] 0x0 # [ 72.473759] hardirqs l<4>[ 75.315156] full_proxy_write+0x56/0x80 ast disabled at (0): [] copy_process+0x65c/0x2<4>[ 75.326060] vfs_write+0xea/0x3b0 0e0 # [ 72.489451] softirqs last enabled at (0): [[ 75.336245] ksys_write+0x68/0xf0 28fd6cc>] copy_process+0x65c/0x20e0 # [ 72.505134] softirqs l<4>[ 75.346511] do_syscall_64+0x33/0x40 ast disabled at (0): [<0000000000000000>] 0x0 # [ 72.518687] <4>[ 75.357083] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ---[ end trace 3c5ada0d755306f1 ]--- # [ 72.530377] lkdtm: Sa<4>[ 75.369281] RIP: 0033:0x7f4d465e6473 turation detected: still saturated # REFCOUNT_DEC_SATURATED: sa<4>[ 75.379833] 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 w 'Saturation detected: still saturated': ok ok 53 selftests: l<4>[ 75.407405] RSP: 002b:00007ffc99bf0218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 kdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_AD<4>[ 75.422274] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4d465e6473 D_SATURATED.sh # [ 72.908181] lkdtm: Performing direct entry <4>[ 75.436869] RDX: 0000000000000020 RSI: 00007f4d464da000 RDI: 0000000000000001 REFCOUNT_ADD_SATURATED # [ 72.918011] lkdtm: attempting bad r<4>[ 75.451360] RBP: 00007f4d464da000 R08: 00007f4d464d9010 R09: 0000000000000000 efcount_dec() from saturated # [ 72.924976] ------------[ cut<4>[ 75.465920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 here ]------------ # [ 72.930473] refcount_t: saturated; lea<4>[ 75.480425] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 king memory. # [ 72.936206] WARNING: CPU: 0 PID: 2427 at lib/<4>[ 75.494976] irq event stamp: 0 refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 72.945976<4>[ 75.504976] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightb<4>[ 75.518492] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger<4>[ 75.534275] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_m<4>[ 75.549960] softirqs last disabled at (0): [<0000000000000000>] 0x0 emops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common <4>[ 75.563507] ---[ end trace 3c5ada0d755306f4 ]--- cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_cor<6>[ 75.575202] lkdtm: Saturation detected: still saturated e snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 72.992355] CPU: 0 PID: 2427 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 73.007585] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.020778] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 73.033163] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 88 d9 8d b4 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 b0 d9 8d # [ 73.060740] RSP: 0018:ffffbd6f42dcfe48 EFLAGS: 00010286 # [ 73.073125] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 73.087658] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 73.102188] RBP: ffffffffb4982e3b R08: 0000000000000000 R09: 0000000000000000 # [ 73.116715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 73.130265] R13: ffffbd6f42dcff10 R14: ffffbd6f42dcff10 R15: ffffa28f02c87000 # [ 73.144795] FS: 00007fc389bcf580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 73.155136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.168099] CR2: 00007fc3899d9000 CR3: 000000010286c000 CR4: 00000000003506f0 # [ 73.182615] Call Trace: # [ 73.191908] ? __warn+0x80/0x110 # [ 73.202040] ? refcount_warn_saturate+0x51/0x110 # [ 73.213743] ? report_bug+0x9e/0xc0 # [ 73.222922] ? handle_bug+0x41/0x90 # [ 73.227142] ? exc_invalid_op+0x14/0x70 # [ 73.231939] ? asm_exc_invalid_op+0x12/0x20 # [ 73.236947] ? refcount_warn_saturate+0x51/0x110 # [ 73.246504] ? refcount_warn_saturate+0x51/0x110 # [ 73.252002] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 73.257963] direct_entry.cold+0x2c/0x38 # [ 73.268896] full_proxy_write+0x56/0x80 # [ 73.279720] vfs_write+0xea/0x3b0 # [ 73.289964] ksys_write+0x68/0xf0 # [ 73.300208] do_syscall_64+0x33/0x40 # [ 73.310741] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 73.322931] RIP: 0033:0x7fc389ae5473 # [ 73.333471] 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 # [ 73.361048] RSP: 002b:00007ffd231aeb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.376062] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc389ae5473 # [ 73.390592] RDX: 0000000000000017 RSI: 00007fc3899d9000 RDI: 0000000000000001 # [ 73.405125] RBP: 00007fc3899d9000 R08: 00007fc3899d8010 R09: 0000000000000000 # [ 73.419657] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.434176] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.448717] irq event stamp: 0 # [ 73.458661] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.472239] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 73.487930] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 73.503631] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.517195] ---[ end trace 3c5ada0d755306f2 ]--- # [ 73.528894] 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 # [ 73.915703] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 73.929593] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 73.937441] ------------[ cut here ]------------ # [ 73.949160] refcount_t: saturated; leaking memory. # [ 73.954896] WARNING: CPU: 2 PID: 2460 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 73.970967] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd<6>[ 75.983982] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED _soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress <6>[ 75.994750] lkdtm: attempting bad refcount_dec_and_test() from saturated snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [<4>[ 76.008832] ------------[ cut here ]------------ 74.017427] CPU: 2 PID: 2460 Comm: cat Tainted: G D W <4>[ 76.020536] refcount_t: underflow; use-after-free. 5.10.207-cip41 #1 # [ 74.032664] Hardware name: Google C<4>[ 76.032490] WARNING: CPU: 3 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 oral/Coral, BIOS 09/29/2020 # [ 74.039622] RIP: 0010:refcoun<4>[ 76.048511] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table t_warn_saturate+0x97/0x110 # [ 74.045796] Code: 02 01 e8 e6 e<4>[ 76.094911] CPU: 3 PID: 2529 Comm: cat Tainted: G D W 5.10.207-cip41 #1 f c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7<4>[ 76.110078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 88 d9 8d b4 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc c<4>[ 76.123284] RIP: 0010:refcount_warn_saturate+0xba/0x110 c cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d # [ 74.0<4>[ 76.135665] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d b4 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 67167] RSP: 0018:ffffbd6f42e3fe38 EFLAGS: 00010282 # [ 74.073<4>[ 76.163276] RSP: 0018:ffffbd6f42f67e40 EFLAGS: 00010286 338] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000<4>[ 76.175661] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 000000 # [ 74.087876] RDX: ffffa28f7bd2c620 RSI: ffffa28f7bd1<4>[ 76.190234] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 bf50 RDI: ffffa28f7bd1bf50 # [ 74.096186] RBP: ffffffffb4982a<4>[ 76.204738] RBP: ffffffffb4982aa8 R08: 0000000000000000 R09: 0000000000000000 68 R08: 0000000000000000 R09: 0000000000000000 # [ 74.104492]<4>[ 76.219304] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000<4>[ 76.233819] R13: ffffbd6f42f67f10 R14: ffffbd6f42f67f10 R15: ffffa28f066e5000 20 # [ 74.112798] R13: ffffbd6f42e3ff10 R14: ffffbd6f42e3ff10<4>[ 76.248375] FS: 00007feb2d2a3580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 R15: ffffa28f0275a000 # [ 74.121102] FS: 00007f887e10b580(0<4>[ 76.263971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000) GS:ffffa28f7bd00000(0000) knlGS:0000000000000000 # [ 74.<4>[ 76.277025] CR2: 00007feb2d0ad000 CR3: 0000000105ac6000 CR4: 00000000003506e0 130476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 76.291847] Call Trace: 74.137228] CR2: 00007f887df15000 CR3: 00000001061d8000 CR4: 000<4>[ 76.300876] ? __warn+0x80/0x110 00000003506e0 # [ 74.145531] Call Trace: # [ 74.148596] ?<4>[ 76.311157] ? refcount_warn_saturate+0xba/0x110 __warn+0x80/0x110 # [ 74.152527] ? refcount_warn_saturate+0<4>[ 76.322699] ? report_bug+0x9e/0xc0 x97/0x110 # [ 74.158016] ? report_bug+0x9e/0xc0 # [ 74.16<4>[ 76.333270] ? handle_bug+0x41/0x90 2246] ? handle_bug+0x41/0x90 # [ 74.166471] ? exc_invalid_o<4>[ 76.343699] ? exc_invalid_op+0x14/0x70 p+0x14/0x70 # [ 74.171083] ? asm_exc_invalid_op+0x12/0x20 #<4>[ 76.354523] ? asm_exc_invalid_op+0x12/0x20 [ 74.176091] ? refcount_warn_saturate+0x97/0x110 # [ 74.1<4>[ 76.365675] ? refcount_warn_saturate+0xba/0x110 81584] ? refcount_warn_saturate+0x97/0x110 # [ 74.187075] _<4>[ 76.377419] __refcount_sub_and_test.constprop.0+0x3c/0x50 _refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 74.193542] <4>[ 76.390070] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 74.200209<4>[ 76.402973] direct_entry.cold+0x2c/0x38 ] direct_entry.cold+0x2c/0x38 # [ 74.211128] full_proxy_wri<4>[ 76.413888] full_proxy_write+0x56/0x80 te+0x56/0x80 # [ 74.221961] vfs_write+0xea/0x3b0 # [ 74.2<4>[ 76.424747] vfs_write+0xea/0x3b0 32217] ksys_write+0x68/0xf0 # [ 74.236256] do_syscall_64+0x<4>[ 76.434934] ksys_write+0x68/0xf0 33/0x40 # [ 74.240581] entry_SYSCALL_64_after_hwframe+0x62/0<4>[ 76.445324] do_syscall_64+0x33/0x40 xc7 # [ 74.246559] RIP: 0033:0x7f887e021473 # [ 74.250880]<4>[ 76.455821] entry_SYSCALL_64_after_hwframe+0x62/0xc7 Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb <4>[ 76.468020] RIP: 0033:0x7feb2d1b9473 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0<4>[ 76.478542] 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 f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 <4>[ 76.506056] RSP: 002b:00007ffd80af2f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 54 24 18 # [ 74.272240] RSP: 002b:00007ffe2695a028 EFLAGS: 00<4>[ 76.521135] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007feb2d1b9473 000246 ORIG_RAX: 0000000000000001 # [ 74.281041] RAX: fffffff<4>[ 76.535618] RDX: 0000000000000020 RSI: 00007feb2d0ad000 RDI: 0000000000000001 fffffffda RBX: 0000000000000020 RCX: 00007f887e021473 # [ 74.<4>[ 76.550205] RBP: 00007feb2d0ad000 R08: 00007feb2d0ac010 R09: 0000000000000000 289349] RDX: 0000000000000020 RSI: 00007f887df15000 RDI: 0000000<4>[ 76.564697] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000000001 # [ 74.297660] RBP: 00007f887df15000 R08: 00007f887<4>[ 76.579288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 df14010 R09: 0000000000000000 # [ 74.312178] R10: fffffffffff<4>[ 76.593778] irq event stamp: 0 ffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.3204<4>[ 76.603762] hardirqs last enabled at (0): [<0000000000000000>] 0x0 85] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000<4>[ 76.617311] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 20000 # [ 74.328802] irq event stamp: 0 # [ 74.332534] har<4>[ 76.633001] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 dirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.3<4>[ 76.648683] softirqs last disabled at (0): [<0000000000000000>] 0x0 39870] hardirqs last disabled at (0): [] copy_<4>[ 76.662291] ---[ end trace 3c5ada0d755306f5 ]--- process+0x65c/0x20e0 # [ 74.349345] softirqs last enabled at<6>[ 76.673960] lkdtm: Saturation detected: still saturated (0): [] copy_process+0x65c/0x20e0 # [ 74.365043] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.372374] ---[ end trace 3c5ada0d755306f3 ]--- # [ 74.377856] 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 # [ 74.736762] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 74.747585] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 74.761666] ------------[ cut here ]------------ # [ 74.773378] refcount_t: saturated; leaking memory. # [ 74.785324] WARNING: CPU: 3 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 74.801355] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 74.847731] CPU: 3 PID: 2493 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 74.862897] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.876105] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 74.888478] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 88 d9 8d b4 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d # [ 74.914865] PDLOG 2024/01/13 06:01:42.688 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA # [ 74.916127] RSP: 0018:ffffbd6f42ecfe38 EFLAGS: 00010282 # [ 74.933413] PDLOG 2024/01/13 06:01:42.688 P1 Disconnected # [ 74.945610] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 74.952174] PDLOG 2024/01/13 06:01:42.735 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA # [ 74.966488] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 # [ 74.983730] PDLOG 2024/01/13 06:01:42.769 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA # [ 74.997892] RBP: ffffffffb4982a88 R08: 0000000000000000 R09: 0000000000000000 # [ 75.015245] PDLOG 2024/01/13 06:01:42.870 P1 SNK Charger ??? 5251mV max 15000mV / 3000mA # [ 75.029394] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 75.045492] PDLOG 2024/01/13 06:01:42.994 P1 SNK Charger ??? 5236mV max 5000mV / 3000mA # [ 75.059585] R13: ffffbd6f42ecff10 R14: ffffbd6f42ecff10 R15: ffffa28f03c61000 # [ 75.075479] PDLOG 2024/01/13 06:01:43.007 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA # [ 75.089620] FS: 00007f4d466d0580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 # [ 75.106948] PDLOG 2024/01/13 06:01:43.184 P1 SNK Charger ??? 15204mV max 15000mV / 3000mA # [ 75.122201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.138313] PDLOG 2024/01/13 06:01:45.879 P1 SNK Charger PD 15211mV max 15000mV / 3000mA # [ 75.150893] CR2: 00007f4d464da000 CR3: 000000010279e000 CR4: 00000000003506e0 # [ 75.181047] Call Trace: # [ 75.190377] ? __warn+0x80/0x110 # [ 75.200459] ? refcount_warn_saturate+0x97/0x110 # [ 75.212355] ? report_bug+0x9e/0xc0 # [ 75.222702] ? handle_bug+0x41/0x90 # [ 75.233211] ? exc_invalid_op+0x14/0x70 # [ 75.243933] ? asm_exc_invalid_op+0x12/0x20 # [ 75.255213] ? refcount_warn_saturate+0x97/0x110 # [ 75.266876] ? refcount_warn_saturate+0x97/0x110 # [ 75.278673] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 75.291256] lkdtm_REFCOUNT_ADD_NOT_ZERO_S<6>[ 77.052148] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 77.062174] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 77.070009] ------------[ cut here ]------------ <4>[ 77.075507] refcount_t: underflow; use-after-free. ATURATED+0x3e/0x76 # [ 75.304295] direct_entry.cold+0x2c/0x3<4>[ 77.081253] WARNING: CPU: 0 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 8 # [ 75.315156] full_proxy_write+0x56/0x80 # [ 75.326060<4>[ 77.097176] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 77.143574] CPU: 0 PID: 2565 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 77.152608] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 77.159596] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 77.165768] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d b4 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 77.187137] RSP: 0018:ffffbd6f42fd7e40 EFLAGS: 00010286 <4>[ 77.193311] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 77.201622] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 <4>[ 77.209934] RBP: ffffffffb4982ac8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 77.218244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 77.226552] R13: ffffbd6f42fd7f10 R14: ffffbd6f42fd7f10 R15: ffffa28f031ab000 <4>[ 77.234866] FS: 00007f7ce5d34580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 <4>[ 77.244248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 77.251001] CR2: 00007f7ce5b3e000 CR3: 00000001028f8000 CR4: 00000000003506f0 <4>[ 77.259302] Call Trace: ] vfs_write+0xea/0x3b0 # [ 75.336245] ksys_write+0x68/0xf0 <4>[ 77.262366] ? __warn+0x80/0x110 <4>[ 77.272503] ? refcount_warn_saturate+0xba/0x110 <4>[ 77.277992] ? report_bug+0x9e/0xc0 <4>[ 77.282223] ? handle_bug+0x41/0x90 <4>[ 77.286449] ? exc_invalid_op+0x14/0x70 <4>[ 77.291067] ? asm_exc_invalid_op+0x12/0x20 <4>[ 77.296082] ? refcount_warn_saturate+0xba/0x110 <4>[ 77.301575] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 77.308045] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 77.314706] direct_entry.cold+0x2c/0x38 <4>[ 77.319425] full_proxy_write+0x56/0x80 <4>[ 77.324047] vfs_write+0xea/0x3b0 <4>[ 77.328078] ksys_write+0x68/0xf0 <4>[ 77.332112] do_syscall_64+0x33/0x40 <4>[ 77.336435] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 77.342417] RIP: 0033:0x7f7ce5c4a473 <4>[ 77.346741] 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>[ 77.368102] RSP: 002b:00007ffc2caa3048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.346511] do_syscall_64+0x33/0x40 # [ 75.357083] en<4>[ 77.376910] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7ce5c4a473 try_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 75.369281] RIP: 00<4>[ 77.391455] RDX: 0000000000000020 RSI: 00007f7ce5b3e000 RDI: 0000000000000001 <4>[ 77.406002] RBP: 00007f7ce5b3e000 R08: 00007f7ce5b3d010 R09: 0000000000000000 <4>[ 77.414314] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 77.422623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 77.430949] irq event stamp: 0 <4>[ 77.434683] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 77.442029] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 77.451504] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 77.460987] softirqs last disabled at (0): [<0000000000000000>] 0x0 33:0x7f4d465e6473 # [ 75.379833] Code: 8b 15 21 2a 0e 00 f7 d<4>[ 77.468328] ---[ end trace 3c5ada0d755306f6 ]--- <6>[ 77.480045] lkdtm: Saturation detected: still saturated 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.407405] RSP: 002b:00007ffc99bf0218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.422274] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4d465e6473 # [ 75.436869] RDX: 0000000000000020 RSI: 00007f4d464da000 RDI: 0000000000000001 # [ 75.451360] RBP: 00007f4d464da000 R08: 00007f4d464d9010 R09: 0000000000000000 # [ 75.465920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.480425] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.494976] irq event stamp: 0 # [ 75.504976] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.518492] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 75.534275] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 75.549960] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.563507] ---[ end trace 3c5ada0d755306f4 ]--- # [ 75.575202] 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 # [ 75.983982] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 75.994750] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 76.008832] ------------[ cut here ]------------ # [ 76.020536] refcount_t: underflow; use-after-free. # [ 76.032490] WARNING: CPU: 3 PID: 2529 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 76.048511] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 76.094911] CPU: 3 PID: 2529 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 76.110078] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.123284] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 76.135665] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d b4 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 76.163276] RSP: 0018:ffffbd6f42f67e40 EFLAGS: 00010286 # [ 76.175661] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 76.190234] RDX: ffffa28f7bdac620 RSI: ffffa28f7bd9bf50 RDI: ffffa28f7bd9bf50 # [ 76.204738] RBP: ffffffffb4982aa8 R08: 0000000000000000 R09: 0000000000000000 # [ 76.219304] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 76.233819] R13: ffffbd6f42f67f10 R14: ffffbd6f42f67f10 R15: ffffa28f066e5000 # [ 76.248375] FS: 00007feb2d2a3580(0000) GS:ffffa28f7bd80000(0000) knlGS:0000000000000000 # [ 76.263971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.277025] CR2: 00007feb2d0ad000 CR3: 0000000105ac6000 CR4: 00000000003506e0 # [ 76.291847] Call Trace: # [ 76.300876] ? __warn+0x80/0x110 # [ 76.311157] ? refcount_warn_saturate+0xba/0x110 # [ 76.322699] ? report_bug+0x9e/0xc0 # [ 76.333270] ? handle_bug+0x41/0x90 # [ 76.343699] ? exc_invalid_op+0x14/0x70 # [ 76.354523] ? asm_exc_invalid_op+0x12/0x20 # [ 76.365675] ? refcount_warn_saturate+0xba/0x110 # [ 76.377419] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 76.390070] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 76.402973] direct_entry.cold+0x2c/0x38 # [ 76.413888] full_proxy_write+0x56/0x80 # [ 76.424747] vfs_write+0xea/0x3b0 # [ 76.434934] ksys_write+0x68/0xf0 # [ 76.445324] do_syscall_64+0x33/0x40 # [ 76.455821] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 76.468020] RIP: 0033:0x7feb2d1b9473 # [ 76.478542] 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 # [ 76.506056] RSP: 002b:00007ffd80af2f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.521135] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007feb2d1b9473 # [ 76.535618] RDX: 0000000000000020 RSI: 00007feb2d0ad000 RDI: 0000000000000001 # [ 76.550205] RBP: 00007feb2d0ad000 R08: 00007feb2d0ac010 R09: 0000000000000000 # [ 76.564697] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.579288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 76.593778] irq event stamp: 0 # [ 76.603762] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.617311] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 76.633001] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 76.648683] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.662291] ---[ end trace 3c5ada0d755306f5 ]--- # [ 76.673960] 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 # [ 77.052148] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 77.062174] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 77.070009] ------------[ cut here ]------------ # [ 77.075507] refcount_t: underflow; use-after-free. # [ 77.081253] WARNING: CPU: 0 PID: 2565 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 77.097176] Modules linked in: fuse ip_tables cros_ec_sysfs cros_ec_lightbar snd_soc_max98357a cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_chardev videobuf2_vmalloc cros_usbpd_logger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal videobuf2_common cros_ec_dev snd_soc_da7219 cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 77.143574] CPU: <6>[ 78.099467] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 78.110675] lkdtm: attempting good copy_to_user of correct size <6>[ 78.117679] lkdtm: attempting bad copy_to_user of too large size 0 PID: 2565 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 77.152608] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.159596] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 77.165768] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 e0 d9 8d b4 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 77.187137] RSP: 0018:ffffbd6f42fd7e40 EFLAGS: 00010286 # [ 77.193311] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 77.201622] RDX: ffffa28f7bc2c620 RSI: ffffa28f7bc1bf50 RDI: ffffa28f7bc1bf50 # [ 77.209934] RBP: ffffffffb4982ac8 R08: 0000000000000000 R09: 0000000000000000 # [ 77.218244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 77.226552] R13: ffffbd6f42fd7f10 R14: ffffbd6f42fd7f10 R15: ffffa28f031ab000 # [ 77.234866] FS: 00007f7ce5d34580(0000) GS:ffffa28f7bc00000(0000) knlGS:0000000000000000 # [ 77.244248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.251001] CR2: 00007f7ce5b3e000 CR3: 00000001028f8000 CR4: 00000000003506f0 # [ 77.259302] Call Trace: # [ 77.262366] ? __warn+0x80/0x110 # [ 77.272503] ? refcount_warn_saturate+0xba/0x110 # [ 77.277992] ? report_bug+0x9e/0xc0 # [ 77.282223] ? handle_bug+0x41/0x90 # [ 77.286449] ? exc_invalid_op+0x14/0x70 # [ 77.291067] ? asm_exc_invalid_op+0x12/0x20 # [ 77.296082] ? refcount_warn_saturate+0xba/0x110 # [ 77.301575] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 77.308045] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 77.314706] direct_entry.cold+0x2c/0x38 # [ 77.319425] full_proxy_write+0x56/0x80 # [ 77.324047] vfs_write+0xea/0x3b0 # [ 77.328078] ksys_write+0x68/0xf0 # [ 77.332112] do_syscall_64+0x33/0x40 # [ 77.336435] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 77.342417] RIP: 0033:0x7f7ce5c4a473 # [ 77.346741] 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 # [ 77.368102] RSP: 002b:00007ffc2caa3048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.376910] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7ce5c4a473 # [ 77.391455] RDX: 0000000000000020 RSI: 00007f7ce5b3e000 RDI: 0000000000000001 # [ 77.406002] RBP: 00007f7ce5b3e000 R08: 00007f7ce5b3d010 R09: 0000000000000000 # [ 77.414314] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.422623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.430949] irq event stamp: 0 # [ 77.434683] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.442029] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 77.451504] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 77.460987] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.468328] ---[ end trace 3c5ada0d755306f6 ]--- # [ 77.480045] 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 # <6>[ 78.456709] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 78.468639] lkdtm: attempting good copy_from_user of correct size selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: ti<6>[ 78.475841] lkdtm: attempting bad copy_from_user of too large size ming only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 78.099467] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 78.110675] lkdtm: attempting good copy_to_user of correct size # [ 78.117679] 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 # [ 78.456709] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 78.468639] lkdtm: attempting good copy_from_user of correct size # [ 78.475841] 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 <6>[ 78.813156] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 78.820753] lkdtm: attempting good copy_to_user inside whitelist <6>[ 78.827867] lkdtm: attempting bad copy_to_user outside whitelist # [ 78.813156] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 78.820753] lkdtm: attempting good copy_to_user inside whitelist # [ 78.827867] 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>[ 79.165193] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 79.172967] lkdtm: attempting good copy_from_user inside whitelist <6>[ 79.180257] lkdtm: attempting bad copy_from_user outside whitelist # [ 79.165193] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 79.172967] lkdtm: attempting good copy_from_user inside whitelist # [ 79.180257] 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>[ 79.510126] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 79.517407] lkdtm: good_stack: ffffbd6f4333fe20-ffffbd6f4333fe40 <6>[ 79.524477] lkdtm: bad_stack : ffffbd6f4333fda8-ffffbd6f4333fdc8 <6>[ 79.531551] lkdtm: attempting good copy_to_user of local stack <6>[ 79.538436] lkdtm: attempting bad copy_to_user of distant stack # [ 79.510126] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 79.517407] lkdtm: good_stack: ffffbd6f4333fe20-ffffbd6f4333fe40 # [ 79.524477] lkdtm: bad_stack : ffffbd6f4333fda8-ffffbd6f4333fdc8 # [ 79.531551] lkdtm: attempting good copy_to_user of local stack # [ 79.538436] 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>[ 79.871557] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 79.879021] lkdtm: good_stack: ffffbd6f433cfe20-ffffbd6f433cfe40 <6>[ 79.886118] lkdtm: bad_stack : ffffbd6f433cfda8-ffffbd6f433cfdc8 <6>[ 79.893205] lkdtm: attempting good copy_from_user of local stack <6>[ 79.900267] lkdtm: attempting bad copy_from_user of distant stack # [ 79.871557] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 79.879021] lkdtm: good_stack: ffffbd6f433cfe20-ffffbd6f433cfe40 # [ 79.886118] lkdtm: bad_stack : ffffbd6f433cfda8-ffffbd6f433cfdc8 # [ 79.893205] lkdtm: attempting good copy_from_user of local stack # [ 79.900267] 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>[ 80.233681] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 80.240764] lkdtm: good_stack: ffffbd6f4345fe20-ffffbd6f4345fe40 <6>[ 80.247822] lkdtm: bad_stack : ffffbd6f4345fff8-ffffbd6f43460018 <6>[ 80.254918] lkdtm: attempting good copy_to_user of local stack <6>[ 80.261814] lkdtm: attempting bad copy_to_user of distant stack <4>[ 80.268795] lkdtm: copy_to_user failed, but lacked Oops # [ 80.233681] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 80.240764] lkdtm: good_stack: ffffbd6f4345fe20-ffffbd6f4345fe40 # [ 80.247822] lkdtm: bad_stack : ffffbd6f4345fff8-ffffbd6f43460018 # [ 80.254918] lkdtm: attempting good copy_to_user of local stack # [ 80.261814] lkdtm: attempting bad copy_to_user of distant stack # [ 80.268795] 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>[ 80.616829] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 80.623329] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb44f8950 <6>[ 80.632371] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb2ae2c60 <3>[ 80.641091] lkdtm: FAIL: survived bad copy_to_user() # [ 80.616829] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 80.623329] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb44f8950 # [ 80.632371] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb2ae2c60 # [ 80.641091] 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>[ 80.968482] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 80.975156] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 80.983422] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 80.991617] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 80.998929] CPU: 3 PID: 2941 Comm: cat Tainted: G D W 5.10.207-cip41 #1 <4>[ 81.007894] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 81.014821] Call Trace: <4>[ 81.017875] dump_stack+0x77/0x9b <4>[ 81.021888] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 81.027359] direct_entry.cold+0x2c/0x38 <4>[ 81.032053] full_proxy_write+0x56/0x80 <4>[ 81.036647] vfs_write+0xea/0x3b0 <4>[ 81.040657] ksys_write+0x68/0xf0 <4>[ 81.044669] do_syscall_64+0x33/0x40 <4>[ 81.048971] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 81.054932] RIP: 0033:0x7fd66ce4a473 <4>[ 81.059235] 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>[ 81.080577] RSP: 002b:00007fff8ae95b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 81.089359] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd66ce4a473 <4>[ 81.097650] RDX: 0000000000000012 RSI: 00007fd66cd3e000 RDI: 0000000000000001 <4>[ 81.105939] RBP: 00007fd66cd3e000 R08: 00007fd66cd3d010 R09: 0000000000000000 <4>[ 81.114228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 81.122521] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.968482] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 80.975156] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 80.983422] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 80.991617] lkdtm: FAIL: the thread stack is NOT properly erased # [ 80.998929] CPU: 3 PID: 2941 Comm: cat Tainted: G D W 5.10.207-cip41 #1 # [ 81.007894] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 81.014821] Call Trace: # [ 81.017875] dump_stack+0x77/0x9b # [ 81.021888] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 81.027359] direct_entry.cold+0x2c/0x38 # [ 81.032053] full_proxy_write+0x56/0x80 # [ 81.036647] vfs_write+0xea/0x3b0 # [ 81.040657] ksys_write+0x68/0xf0 # [ 81.044669] do_syscall_64+0x33/0x40 # [ 81.048971] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 81.054932] RIP: 0033:0x7fd66ce4a473 # [ 81.059235] 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 # [ 81.080577] RSP: 002b:00007fff8ae95b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.089359] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd66ce4a473 # [ 81.097650] RDX: 0000000000000012 RSI: 00007fd66cd3e000 RDI: 0000000000000001 # [ 81.105939] RBP: 00007fd66cd3e000 R08: 00007fd66cd3d010 R09: 0000000000000000 # [ 81.114228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.122521] 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>[ 81.472576] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 81.479249] lkdtm: Calling matched prototype ... <6>[ 81.484792] lkdtm: Calling mismatched prototype ... <6>[ 81.490630] lkdtm: Fail: survived mismatched prototype function call! # [ 81.472576] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 81.479249] lkdtm: Calling matched prototype ... # [ 81.484792] lkdtm: Calling mismatched prototype ... # [ 81.490630] 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 lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #