[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 430000 (65536 bytes) FMAP: area VBLOCK_A found @ 430000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 440000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 3208 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 2 run 31 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 268994 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 4837 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 52800 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 14064 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 9982 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 14050 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 18143 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 18130 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 14065 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 11247 usecs scan_bus: scanning of bus DOMAIN: 0000 took 391090 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 411058 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 2024-01-05 19:39:49 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2024-01-05 19:39:50 UTC ELOG: Event(A6) added with size 13 at 2024-01-05 19:39:50 UTC ELOG: Event(AA) added with size 11 at 2024-01-05 19:39:50 UTC ELOG: Event(16) added with size 11 at 2024-01-05 19:39:50 UTC Erasing flash addr 421000 + 4 KiB FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes) SPI flash protection: WPSW=1 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 700324 exit 174777 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 2951325 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 166 run 112441 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2138 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 4. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 6. AP: slot 3 apic_id 2. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7b000000 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 Initializing CPU #1 CPU #3 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 #2 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 467923 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2225 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2235 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2234 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2235 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2232 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 27362 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2231 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2236 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2232 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2231 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2236 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6115 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6116 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6113 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6116 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6115 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6114 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2233 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2232 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3552 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2233 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2344 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 42171 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 01:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 01:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 02:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 03:10: enabled 1 I2C: 03:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 04:15: enabled 1 I2C: 04:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 05:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 0 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:0f.0: enabled 1 PCI: 00:0f.1: enabled 1 PCI: 00:0f.2: enabled 1 APIC: 06: enabled 1 APIC: 04: enabled 1 APIC: 02: enabled 1 BS: BS_DEV_INIT times (us): entry 4985 run 881059 exit 885 ELOG: Event(A1) added with size 10 at 2024-01-05 19:39:54 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2024-01-05 19:39:54 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 24981 run 3942 exit 5268 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 04 (unknown) APIC: 02 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low 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 12d4 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 816073 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 178 run 107980 exit 29959 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:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 12460431/tftp-deploy-vmk2__j9/kernel/bzImage 12460431/tftp-deploy-vmk2__j9/kernel/cmdline 12460431/tftp-deploy-vmk2__j9/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12460431/tftp-deploy-vmk2__j9/kernel/bzImaploy-vmk2__j9/kernel/cmdline 12460431/tftp-deploy-vmk2__j9/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:78:86:ca Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12460431/tftp-deploy-vmk2__j9/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 17280320 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: 12460431/tftp-deploy-vmk2__j9/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/12460431/extract-nfsrootfs-rpnsq1gt,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: 21824935 Starting kernel ... <5>[ 0.000000] Linux version 5.10.206-cip41 (KernelCI@build-j66870-x86-64-gcc-10-x86-64-defconfig-x86-board-lsjpb) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Jan 5 19:13:20 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/12460431/extract-nfsrootfs-rpnsq1gt,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>[ 0.000058] last_pfn = 0x180000 max_arch_pfn = 0x400000000 <6>[ 0.000313] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.001165] 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>[ 0.005778] RAMDISK: [mem 0x375fe000-0x37ffffff] <6>[ 0.005785] ACPI: Early table checksum verification disabled <6>[ 0.005794] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.005805] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005819] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005832] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) <6>[ 0.005843] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.005852] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.005860] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.005870] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005880] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005889] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005899] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) <6>[ 0.005909] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005918] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] <6>[ 0.005923] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] <6>[ 0.005927] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.005931] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.005934] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] <6>[ 0.005938] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] <6>[ 0.005942] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] <6>[ 0.005946] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] <6>[ 0.005950] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] <6>[ 0.005954] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] <6>[ 0.006073] No NUMA configuration found <6>[ 0.006077] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] <6>[ 0.006086] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] <6>[ 0.006133] Zone ranges: <6>[ 0.006138] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.006144] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.006150] Normal [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006156] Movable zone start for each node <6>[ 0.006160] Early memory node ranges <6>[ 0.006164] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.006168] node 0: [mem 0x0000000000100000-0x000000000fffffff] <6>[ 0.006172] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] <6>[ 0.006176] node 0: [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006182] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] <6>[ 0.006213] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.006263] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.012800] On node 0, zone DMA32: 8529 pages in unavailable ranges <6>[ 0.020100] On node 0, zone Normal: 22019 pages in unavailable ranges <6>[ 0.020131] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.020427] ACPI: PM-Timer IO Port: 0x408 <6>[ 0.020501] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.020516] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.020522] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) <6>[ 0.020534] Using ACPI (MADT) for SMP configuration information <6>[ 0.020540] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.020551] TSC deadline timer available <6>[ 0.020557] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.020590] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.020596] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.020601] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] <6>[ 0.020607] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] <6>[ 0.020610] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.020614] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] <6>[ 0.020618] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] <6>[ 0.020621] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] <6>[ 0.020625] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] <6>[ 0.020629] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] <6>[ 0.020632] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] <6>[ 0.020636] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] <6>[ 0.020643] [mem 0x80000000-0xcfffffff] available for PCI devices <6>[ 0.020653] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.030968] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.031597] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.031703] Built 1 zonelists, mobility grouping on. Total pages: 1002002 <6>[ 0.031711] Policy zone: Normal <5>[ 0.031728] 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/12460431/extract-nfsrootfs-rpnsq1gt,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.032726] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.033171] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.033235] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.066560] Memory: 3858964K/4071724K available (22546K kernel code, 3713K rwdata, 10976K rodata, 2172K init, 13948K bss, 212500K reserved, 0K cma-reserved) <6>[ 0.066715] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.066775] Kernel/User page tables isolation: enabled <6>[ 0.066891] ftrace: allocating 61879 entries in 242 pages <6>[ 0.103270] ftrace: allocated 242 pages with 5 groups <6>[ 0.103617] Running RCU self tests <6>[ 0.103635] rcu: Hierarchical RCU implementation. <6>[ 0.103639] rcu: RCU event tracing is enabled. <6>[ 0.103643] rcu: RCU lockdep checking is enabled. <6>[ 0.103647] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.103651] Rude variant of Tasks RCU enabled. <6>[ 0.103654] Tracing variant of Tasks RCU enabled. <6>[ 0.103659] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.103663] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.112168] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.112610] random: crng init done <6>[ 0.112723] Console: colour dummy device 80x25 <6>[ 0.180820] printk: console [ttyS2] enabled <4>[ 0.181202] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.181869] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.182247] ... MAX_LOCK_DEPTH: 48 <4>[ 0.182622] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.183018] ... CLASSHASH_SIZE: 4096 <4>[ 0.183416] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.183813] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.184214] ... CHAINHASH_SIZE: 32768 <4>[ 0.184613] memory used by lock dependency info: 6365 kB <4>[ 0.185096] memory used for stack traces: 4224 kB <4>[ 0.185527] per task-struct memory footprint: 1920 bytes <6>[ 0.186074] ACPI: Core revision 20200925 <6>[ 0.186699] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns <6>[ 0.187564] APIC: Switch to symmetric I/O mode setup <6>[ 0.192469] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>[ 0.197554] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 0.198463] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) <6>[ 0.199581] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.200547] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 <6>[ 0.201021] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 <6>[ 0.201455] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.202453] Spectre V2 : Mitigation: Retpolines <6>[ 0.202864] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.203450] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.204037] Speculative Store Bypass: Vulnerable <6>[ 0.204469] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.205449] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.206009] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.206451] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.206968] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 <6>[ 0.207449] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 <6>[ 0.207994] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. <4>[ 0.230221] ------------[ cut here ]------------ <4>[ 0.230464] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.230477] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.232214] Modules linked in: <4>[ 0.232452] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.206-cip41 #1 <4>[ 0.233035] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 0.233452] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.233862] 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 78 f6 a7 97 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>[ 0.234450] RSP: 0000:ffffffff97e03e28 EFLAGS: 00010282 <4>[ 0.234920] RAX: 0000000000000000 RBX: ffffffff98a2e21c RCX: 0000000000000000 <4>[ 0.235450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff95b77c41 <4>[ 0.236449] RBP: ffffffff976f8940 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.237070] R10: ffffffff97e8ff20 R11: 3fffffffffffffff R12: ffffffff98a47550 <4>[ 0.237449] R13: cccccccccccccccc R14: ffffffff976f8945 R15: 0000000000000004 <4>[ 0.238071] FS: 0000000000000000(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 <4>[ 0.238449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.239449] CR2: ffff9d50bffff000 CR3: 0000000022426000 CR4: 00000000003506f0 <4>[ 0.240075] Call Trace: <4>[ 0.240328] ? __warn+0x80/0x110 <4>[ 0.240452] ? apply_returns+0x1f5/0x220 <4>[ 0.240822] ? report_bug+0x9e/0xc0 <4>[ 0.241149] ? handle_bug+0x41/0x90 <4>[ 0.241453] ? exc_invalid_op+0x14/0x70 <4>[ 0.241804] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.242460] ? console_unlock+0x4d1/0x5f0 <4>[ 0.242824] ? apply_returns+0x1f5/0x220 <4>[ 0.243189] ? apply_returns+0x1f5/0x220 <4>[ 0.243453] ? lock_acquire+0xbf/0x280 <4>[ 0.243813] alternative_instructions+0x7d/0x143 <4>[ 0.244239] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.244453] start_kernel+0x4a3/0x54d <4>[ 0.244805] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.245463] irq event stamp: 108495 <4>[ 0.245787] hardirqs last enabled at (108503): [] console_unlock+0x4d1/0x5f0 <4>[ 0.246450] hardirqs last disabled at (108514): [] console_unlock+0x444/0x5f0 <4>[ 0.247451] softirqs last enabled at (108524): [] irq_enter_rcu+0x71/0x80 <4>[ 0.248176] softirqs last disabled at (108523): [] irq_enter_rcu+0x56/0x80 <4>[ 0.248453] ---[ end trace f8800554775ed3ce ]--- <6>[ 0.258836] Freeing SMP alternatives memory: 48K <6>[ 0.259269] pid_max: default: 32768 minimum: 301 <6>[ 0.259551] LSM: Security Framework initializing <6>[ 0.260004] SELinux: Initializing. <6>[ 0.260503] LSM support for eBPF active <6>[ 0.260903] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.261463] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.263810] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) <6>[ 0.265037] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.265460] ... version: 4 <6>[ 0.265831] ... bit width: 48 <6>[ 0.266200] ... generic registers: 4 <6>[ 0.266450] ... value mask: 0000ffffffffffff <6>[ 0.266926] ... max period: 00007fffffffffff <6>[ 0.267392] ... fixed-purpose events: 3 <6>[ 0.267450] ... event mask: 000000070000000f <6>[ 0.268345] rcu: Hierarchical SRCU implementation. <6>[ 0.270012] smp: Bringing up secondary CPUs ... <6>[ 0.271081] x86: Booting SMP configuration: <6>[ 0.271490] .... node #0, CPUs: #1 #2 #3 <6>[ 0.274238] smp: Brought up 1 node, 4 CPUs <6>[ 0.274861] smpboot: Max logical packages: 1 <6>[ 0.275246] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) <6>[ 0.276838] devtmpfs: initialized <6>[ 0.277736] x86/mm: Memory block size: 128MB <6>[ 0.281508] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.282462] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.283544] pinctrl core: initialized pinctrl subsystem <6>[ 0.284926] PM: RTC time: 19:40:10, date: 2024-01-05 <6>[ 0.285921] NET: Registered protocol family 16 <6>[ 0.286981] audit: initializing netlink subsys (disabled) <5>[ 0.287524] audit: type=2000 audit(1704483610.094:1): state=initialized audit_enabled=0 res=1 <6>[ 0.288127] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.288267] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.288549] cpuidle: using governor menu <6>[ 0.289613] ACPI: bus type PCI registered <6>[ 0.290319] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) <6>[ 0.290457] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 <6>[ 0.291094] PCI: Using configuration type 1 for base access <6>[ 0.320594] Kprobes globally optimized <6>[ 0.321588] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.322466] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.323565] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.326821] ACPI: Added _OSI(Module Device) <6>[ 0.327209] ACPI: Added _OSI(Processor Device) <6>[ 0.327454] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.327875] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.328357] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.329464] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.329935] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.336272] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.342485] ACPI: EC: EC started <6>[ 0.342806] ACPI: EC: interrupt blocked <6>[ 0.343664] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.344115] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.344450] ACPI: Interpreter enabled <6>[ 0.344841] ACPI: (supports S0 S3 S5) <6>[ 0.345183] ACPI: Using IOAPIC for interrupt routing <6>[ 0.345495] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.346966] ACPI: Enabled 1 GPEs in block 00 to 7F <6>[ 0.350552] ACPI: Power Resource [PXP] (on) <6>[ 0.372528] ACPI: Power Resource [PRIC] (on) <6>[ 0.399854] ACPI: Power Resource [PRIC] (on) <6>[ 0.468691] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.469248] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.470683] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.471919] PCI host bridge to bus 0000:00 <6>[ 0.472293] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.472452] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] <6>[ 0.473051] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.473452] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] <6>[ 0.474112] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] <6>[ 0.475453] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.476023] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 <6>[ 0.477245] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 <6>[ 0.477488] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] <6>[ 0.478653] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 <6>[ 0.479210] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] <6>[ 0.480464] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] <6>[ 0.481072] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] <6>[ 0.481834] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 <6>[ 0.482389] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] <6>[ 0.482463] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] <6>[ 0.483103] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] <6>[ 0.483858] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 <6>[ 0.484400] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] <6>[ 0.485928] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 <6>[ 0.486481] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] <6>[ 0.487117] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] <6>[ 0.487557] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold <6>[ 0.488662] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 <6>[ 0.489238] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] <6>[ 0.490606] pci 0000:00:0f.0: PME# supported from D3hot <6>[ 0.491490] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 <6>[ 0.492200] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold <6>[ 0.492988] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 <6>[ 0.493476] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] <6>[ 0.494180] pci 0000:00:15.0: PME# supported from D3hot D3cold <6>[ 0.494976] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 <6>[ 0.495487] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] <6>[ 0.496106] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] <6>[ 0.497998] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 <6>[ 0.498488] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] <6>[ 0.499107] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] <6>[ 0.500001] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 <6>[ 0.500488] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] <6>[ 0.501107] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] <6>[ 0.501996] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 <6>[ 0.502488] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] <6>[ 0.503110] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] <6>[ 0.504044] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 <6>[ 0.505489] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] <6>[ 0.506109] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] <6>[ 0.507005] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 <6>[ 0.507487] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] <6>[ 0.508103] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] <6>[ 0.509020] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 <6>[ 0.509487] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] <6>[ 0.510107] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] <6>[ 0.512000] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 <6>[ 0.512487] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] <6>[ 0.513104] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] <6>[ 0.514008] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 <6>[ 0.514488] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] <6>[ 0.515106] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] <6>[ 0.516026] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 <6>[ 0.516488] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] <6>[ 0.517106] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] <6>[ 0.519043] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 <6>[ 0.519487] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] <6>[ 0.520091] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] <6>[ 0.520972] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 <6>[ 0.521477] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] <6>[ 0.522087] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] <6>[ 0.523081] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 <6>[ 0.524079] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 <6>[ 0.524517] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] <6>[ 0.525191] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] <6>[ 0.527341] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.527688] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] <6>[ 0.528830] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) <6>[ 0.529597] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) <6>[ 0.531040] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.533301] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 0.534463] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 0.541303] ACPI: EC: interrupt unblocked <6>[ 0.541451] ACPI: EC: event unblocked <6>[ 0.541811] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.542271] ACPI: EC: GPE=0x2b <6>[ 0.542454] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.543073] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.544530] iommu: Default domain type: Translated <6>[ 0.545519] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.546072] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.546473] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.546986] vgaarb: loaded <5>[ 0.547759] SCSI subsystem initialized <6>[ 0.548516] ACPI: bus type USB registered <6>[ 0.548962] usbcore: registered new interface driver usbfs <6>[ 0.549485] usbcore: registered new interface driver hub <6>[ 0.549988] usbcore: registered new device driver usb <6>[ 0.550550] mc: Linux media interface: v0.10 <6>[ 0.550962] videodev: Linux video capture interface: v2.00 <6>[ 0.551480] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.551920] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.552460] PTP clock support registered <6>[ 0.553674] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.555292] NetLabel: Initializing <6>[ 0.555452] NetLabel: domain hash size = 128 <6>[ 0.555842] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.556406] NetLabel: unlabeled traffic allowed by default <6>[ 0.556570] PCI: Using ACPI for IRQ routing <4>[ 0.587151] Expanded resource Reserved due to conflict with PCI Bus 0000:00 <6>[ 0.588569] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 <6>[ 0.589137] hpet0: 8 comparators, 64-bit 19.200000 MHz counter <6>[ 0.592552] clocksource: Switched to clocksource tsc-early <5>[ 0.978518] VFS: Disk quotas dquot_6.6.0 <6>[ 0.978941] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.979919] pnp: PnP ACPI init <6>[ 0.980867] system 00:00: [io 0x0900-0x09fe] has been reserved <6>[ 0.981637] system 00:01: [io 0x0200] has been reserved <6>[ 0.982130] system 00:01: [io 0x0204] has been reserved <6>[ 0.982604] system 00:01: [io 0x0800-0x087f] has been reserved <6>[ 0.983140] system 00:01: [io 0x0880-0x08ff] has been reserved <6>[ 0.985667] pnp: PnP ACPI: found 3 devices <6>[ 0.999498] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.000383] NET: Registered protocol family 2 <6>[ 1.000971] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.003012] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.004011] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.004929] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.007532] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.008607] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.009588] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.010473] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.011568] NET: Registered protocol family 1 <6>[ 1.012707] RPC: Registered named UNIX socket transport module. <6>[ 1.013281] RPC: Registered udp transport module. <6>[ 1.013700] RPC: Registered tcp transport module. <6>[ 1.014138] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.015258] NET: Registered protocol family 44 <6>[ 1.015687] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.016166] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.016774] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.017322] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] <6>[ 1.017868] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.018543] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] <6>[ 1.019157] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] <6>[ 1.019766] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] <6>[ 1.020526] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.023459] PCI: CLS 64 bytes, default 64 <6>[ 1.024198] Unpacking initramfs... <6>[ 1.300098] Freeing initrd memory: 10248K <6>[ 1.300475] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.301115] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) <6>[ 1.302089] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer <6>[ 1.302778] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.303311] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.303815] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.304317] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <3>[ 1.305890] kvm: already loaded the other module <6>[ 1.306368] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 1.307270] clocksource: Switched to clocksource tsc <6>[ 1.307809] platform rtc_cmos: registered platform RTC device (no PNP device found) <6>[ 1.310568] check: Scanning for low memory corruption every 60 seconds <5>[ 1.313355] Initialise system trusted keyrings <6>[ 1.314041] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.329077] NFS: Registering the id_resolver key type <5>[ 1.329577] Key type id_resolver registered <5>[ 1.330001] Key type id_legacy registered <5>[ 1.341409] Key type asymmetric registered <5>[ 1.341816] Asymmetric key parser 'x509' registered <6>[ 1.342334] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.343002] io scheduler mq-deadline registered <6>[ 1.343416] io scheduler kyber registered <4>[ 1.344014] test_firmware: interface ready <6>[ 1.345097] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 <6>[ 1.346689] ACPI: AC Adapter [AC] (on-line) <6>[ 1.347371] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.348882] ACPI: Lid Switch [LID0] <6>[ 1.349385] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 <6>[ 1.350257] ACPI: Power Button [PWRB] <6>[ 1.350747] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 <6>[ 1.351630] ACPI: Sleep Button [SLP] <6>[ 1.352129] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 <6>[ 1.352931] ACPI: Power Button [PWRF] <6>[ 1.353471] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.354544] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.355354] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.356152] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.357994] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 1.360567] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.360799] Non-volatile memory driver v1.3 <6>[ 1.361682] Linux agpgart interface v0.103 <6>[ 1.362396] ACPI: bus type drm_connector registered <6>[ 1.363000] [drm] amdgpu kernel modesetting enabled. <6>[ 1.366009] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.420247] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xc30a <6>[ 1.421059] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) <6>[ 1.421788] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <4>[ 1.423117] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 <5>[ 1.424009] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. <5>[ 1.425011] 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>[ 1.471159] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.474345] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.485351] loop: module loaded <6>[ 1.486210] lkdtm: No crash points registered, enable through debugfs <6>[ 1.529705] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A <6>[ 1.532820] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A <6>[ 1.535491] printk: console [ttyS2] disabled <6>[ 1.536218] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A <6>[ 4.821764] printk: console [ttyS2] enabled <6>[ 4.821951] fbcon: i915drmfb (fb0) is primary device <4>[ 4.823718] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO <6>[ 4.831369] e100: Intel(R) PRO/100 Network Driver <6>[ 4.831373] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 4.831419] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.831421] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.831478] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.831479] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.831542] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 4.831544] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 4.831590] sky2: driver version 1.30 <6>[ 4.831815] usbcore: registered new interface driver r8152 <6>[ 4.832233] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.832249] ehci-pci: EHCI PCI platform driver <6>[ 4.832309] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 4.832321] ohci-pci: OHCI PCI platform driver <6>[ 4.832364] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 4.833748] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.834648] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 <6>[ 4.835867] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 4.835923] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported <6>[ 4.837096] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.837506] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 <6>[ 4.837518] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed <6>[ 4.837864] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 4.837877] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.837880] usb usb1: Product: xHCI Host Controller <6>[ 4.837882] usb usb1: Manufacturer: Linux 5.10.206-cip41 xhci-hcd <6>[ 4.837884] usb usb1: SerialNumber: 0000:00:15.0 <6>[ 4.839024] hub 1-0:1.0: USB hub found <6>[ 4.839126] hub 1-0:1.0: 8 ports detected <6>[ 4.840593] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 4.840597] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.840600] usb usb2: Product: xHCI Host Controller <6>[ 4.840602] usb usb2: Manufacturer: Linux 5.10.206-cip41 xhci-hcd <6>[ 4.840604] usb usb2: SerialNumber: 0000:00:15.0 <6>[ 4.841289] hub 2-0:1.0: USB hub found <6>[ 4.841323] hub 2-0:1.0: 7 ports detected <6>[ 4.842483] usbcore: registered new interface driver usblp <6>[ 4.842528] usbcore: registered new interface driver usb-storage <6>[ 4.842900] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 4.843027] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 4.843029] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 4.843615] i8042: Warning: Keylock active <6>[ 4.843858] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 4.845719] rtc_cmos rtc_cmos: RTC can wake from S4 <6>[ 4.847802] rtc_cmos rtc_cmos: registered as rtc0 <6>[ 4.847970] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram <6>[ 4.848481] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 <4>[ 4.849798] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A <4>[ 4.849803] i801_smbus 0000:00:1f.1: PCI INT A: no GSI <6>[ 4.849838] i801_smbus 0000:00:1f.1: SPD Write Disable is set <3>[ 4.849916] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) <3>[ 4.849965] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 <6>[ 4.849967] i801_smbus 0000:00:1f.1: SMBus using polling <6>[ 4.850961] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 4.851058] intel_pstate: Intel P-state driver initializing <6>[ 4.853264] sdhci: Secure Digital Host Controller Interface driver <6>[ 4.853271] sdhci: Copyright(c) Pierre Ossman <6>[ 4.853453] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 4.859835] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) <6>[ 4.864740] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit <6>[ 4.865650] hid: raw HID events driver (C) Jiri Kosina <6>[ 4.867774] usbcore: registered new interface driver usbhid <6>[ 4.867779] usbhid: USB HID core driver <6>[ 4.868693] Console: switching to colour frame buffer device 240x67 <6>[ 4.869656] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 <6>[ 4.876346] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 4.879798] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 4.884274] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 4.885023] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 4.886323] IPv4 over IPsec tunneling driver <6>[ 4.887474] Initializing XFRM netlink socket <6>[ 4.889099] NET: Registered protocol family 10 <6>[ 4.892886] Segment Routing with IPv6 <6>[ 4.896988] NET: Registered protocol family 17 <6>[ 4.897873] 8021q: 802.1Q VLAN Support v1.8 <5>[ 4.898246] Key type dns_resolver registered <3>[ 4.905348] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up <6>[ 4.909981] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.093154] usb 1-5: new high-speed USB device number 2 using xhci_hcd <6>[ 5.192318] mmc0: new HS400 MMC card at address 0001 <6>[ 5.197575] microcode: sig=0x506c9, pf=0x1, revision=0x2c <6>[ 5.210550] mmcblk0: mmc0:0001 TA2964 58.3 GiB <6>[ 5.218674] microcode: Microcode Update Driver: v2.2. <6>[ 5.224784] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB <6>[ 5.229899] IPI shorthand broadcast: enabled <6>[ 5.237985] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB <6>[ 5.247637] sched_clock: Marking stable (5166520102, 80899214)->(5255317842, -7898526) <6>[ 5.256675] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0) <6>[ 5.284763] registered taskstats version 1 <6>[ 5.347444] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 <5>[ 5.350138] Loading compiled-in X.509 certificates <6>[ 5.356753] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 5.368283] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.368721] usb 1-5: Product: USB2.0 HD UVC WebCam <6>[ 5.376373] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.384871] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.389356] usb 1-5: Manufacturer: Quanta <6>[ 5.406893] PM: Magic number: 8:492:697 <6>[ 5.409522] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.409765] usb 1-5: SerialNumber: 0x0001 <6>[ 5.416465] pci 0000:00:00.2: hash matches <6>[ 5.474107] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.628405] printk: console [netcon0] enabled <6>[ 5.633641] netconsole: network logging started <6>[ 5.633750] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.656017] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.665505] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.673819] usb 2-2: Product: USB 10/100/1000 LAN <6>[ 5.679408] usb 2-2: Manufacturer: Realtek <6>[ 5.684318] usb 2-2: SerialNumber: 001000001 <6>[ 5.697352] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.769237] usb 1-6: new full-speed USB device number 3 using xhci_hcd <6>[ 5.905036] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.914537] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.928095] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.020860] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.068759] r8152 2-2:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.108096] r8152 2-2:1.0 eth0: v1.11.11 <6>[ 6.113861] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 7.723099] r8152 2-2:1.0 eth0: carrier on <6>[ 7.728417] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 7.740035] Sending DHCP requests .., OK <6>[ 9.953035] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.17 <6>[ 9.962352] IP-Config: Complete: <6>[ 9.966300] device=eth0, hwaddr=00:e0:4c:78:86:ca, ipaddr=192.168.201.17, mask=255.255.255.0, gw=192.168.201.1 <6>[ 9.978288] host=asus-c523na-a20057-coral-cbg-1, domain=lava-rack, nis-domain=(none) <6>[ 9.987743] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 9.987751] nameserver0=192.168.201.1 <5>[ 10.001829] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.025436] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 10.040946] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 10.049637] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 10.060152] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.060550] ALSA device list: <6>[ 10.070380] cfg80211: failed to load regulatory.db <6>[ 10.074031] No soundcards found. <4>[ 10.085392] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console <6>[ 10.107081] Freeing unused kernel image (initmem) memory: 2172K <6>[ 10.125380] Write protecting the kernel read-only data: 36864k <6>[ 10.136537] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.146303] Freeing unused kernel image (rodata/data gap) memory: 1312K <6>[ 10.154529] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 10.246688] systemd-udevd (124) used greatest stack depth: 13816 bytes left <6>[ 10.508000] udevadm (126) used greatest stack depth: 13624 bytes left <6>[ 11.216389] chromeos ramoops using acpi device. <6>[ 11.222150] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.243818] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.277316] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.290776] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <4>[ 11.299501] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator <4>[ 11.314439] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <4>[ 11.318656] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator <6>[ 11.326034] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.348699] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.422518] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <4>[ 11.434126] da7219 i2c-DLGS7219:00: Invalid micbias pulse level <6>[ 11.439516] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.470871] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.603249] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.610676] Registered efivars operations <6>[ 11.618605] gsmi version 1.0 loaded <3>[ 12.385145] i2c_designware i2c_designware.5: controller timed out <4>[ 12.426359] i2c_designware i2c_designware.5: timeout in disabling adapter <6>[ 12.446449] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.452120] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count <6>[ 12.463881] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.478067] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090) <6>[ 12.482304] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.498775] 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>[ 12.503334] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.515604] usbcore: registered new interface driver uvcvideo <6>[ 12.525988] USB Video Class driver (1.1.1) <6>[ 12.527749] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.553230] udevadm (144) 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:78:86:ca mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.17 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-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.749676] nfsmount (173) used greatest stack depth: 12536 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. <4>[ 13.467326] 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>[ 14.387550] 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>[ 14.428708] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 14.468224] systemd[1]: Set hostname to . <30>[ 15.606124] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 15.623696] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 15.642263] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 15.661243] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 15.680137] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 15.698806] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 15.719462] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 15.741725] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 15.765739] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 15.782735] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 15.794590] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 15.811593] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 15.823582] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 15.836806] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 15.858573] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 15.878464] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 15.897402] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 15.913408] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 15.936804] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 15.955033] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 15.978670] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 16.000730] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 16.022294] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 16.044456] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 16.074347] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 16.100904] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 16.123983] systemd[1]: Starting Load Kernel Module drm... <6>[ 16.129871] mount (201) used greatest stack depth: 12384 bytes left Starting Load Kernel Module drm... <30>[ 16.151888] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 16.173002] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 16.214549] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 16.236226] fuse: init (API version 7.32) <30>[ 16.243458] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 16.263587] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 16.291102] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 16.324509] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 16.341635] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 16.359980] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 16.378524] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 16.421101] 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>[ 16.446992] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 16.456436] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 16.476764] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 16.485645] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 16.505864] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 16.515022] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 16.534801] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 16.553673] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 16.579570] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 16.601641] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 16.625598] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 16.636330] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 16.652986] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 16.672755] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 16.694781] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 16.713863] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 16.741852] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. <30>[ 16.770198] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 16.785398] systemd[1]: Condition check resulted in First Boot Complete being skipped. <30>[ 16.814380] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. <30>[ 16.934701] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. <30>[ 16.956705] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... <30>[ 17.050562] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events<46>[ 17.160955] systemd-journald[208]: Received client request to flush runtime journal. 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 ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Finished Create Volatile Files and Directories. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.206-cip41 #1 SMP Fri Jan 5 19:13:20 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/12460431/extract-nfsrootfs-rpnsq1gt' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12460431/extract-nfsrootfs-rpnsq1gt' / # 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-12460431/environment . /lava-12460431/environment / # /lava-12460431/bin/lava-test-runner /lava-12460431/0 /lava-12460431/bin/lava-test-runner /lava-12460431/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12460431/0/tests/0_timesync-off ++ cat uuid + UUID=12460431_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-12460431/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12460431_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/v5.10.205-897-gcc9858ae2881/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 --2024-01-05 19:40:37-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-897-gcc9858ae2881/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: 3379368 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 195KB/s kselftest.tar.xz 6%[> ] 219.84K 426KB/s kselftest.tar.xz 25%[====> ] 826.47K 868KB/s kselftest.tar.xz 72%[=============> ] 2.34M 1.91MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.27MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.27MB/s in 1.4s 2024-01-05 19:40:39 (2.27 MB/s) - 'kselftest.tar.xz' saved [3379368/3379368] 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>[ 41.164646] 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>[ 42.076254] lkdtm: Performing direct entry BUG <4>[ 42.081875] ------------[ cut here ]------------ <2>[ 42.087381] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 42.093597] invalid opcode: 0000 [#1] SMP PTI <4>[ 42.098761] CPU: 0 PID: 638 Comm: cat Tainted: G W 5.10.206-cip41 #1 <4>[ 42.107594] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 42.114500] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.119177] 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>[ 42.140437] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 42.146572] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.154834] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 42.163099] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.171363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.179628] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 42.187893] FS: 00007fa206691580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 <4>[ 42.197217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.203921] CR2: 00007fa20649b000 CR3: 000000010441e000 CR4: 00000000003506f0 <4>[ 42.212185] Call Trace: <4>[ 42.215221] ? __die_body.cold+0x1a/0x1f <4>[ 42.219899] ? die+0x2b/0x50 <4>[ 42.223412] ? do_trap+0x91/0x110 <4>[ 42.227407] ? lkdtm_BUG+0x5/0x10 <4>[ 42.231403] ? do_error_trap+0x90/0x110 <4>[ 42.235978] ? lkdtm_BUG+0x5/0x10 <4>[ 42.239969] ? lkdtm_BUG+0x5/0x10 <4>[ 42.243967] ? exc_invalid_op+0x4e/0x70 <4>[ 42.248541] ? lkdtm_BUG+0x5/0x10 <4>[ 42.252540] ? asm_exc_invalid_op+0x12/0x20 <4>[ 42.257510] ? direct_entry+0xe0/0xe0 <4>[ 42.261895] ? lkdtm_BUG+0x5/0x10 <4>[ 42.265895] direct_entry.cold+0x2c/0x38 <4>[ 42.270576] full_proxy_write+0x56/0x80 <4>[ 42.275159] vfs_write+0xea/0x3b0 <4>[ 42.279157] ksys_write+0x68/0xf0 <4>[ 42.283159] do_syscall_64+0x33/0x40 <4>[ 42.287448] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 42.293387] RIP: 0033:0x7fa2065a7473 <4>[ 42.297667] 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>[ 42.318948] RSP: 002b:00007ffe64b9f068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.327704] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa2065a7473 <4>[ 42.335972] RDX: 0000000000000004 RSI: 00007fa20649b000 RDI: 0000000000000001 <4>[ 42.344239] RBP: 00007fa20649b000 R08: 00007fa20649a010 R09: 0000000000000000 <4>[ 42.352505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.360771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 42.369047] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <0>[ 42.411148] gsmi: Log Shutdown Reason 0x03 <4>[ 42.416077] ---[ end trace f8800554775ed3d0 ]--- <4>[ 42.421558] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.426248] 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>[ 42.447535] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 42.453687] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.461970] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 42.470269] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.478558] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.486851] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 42.495132] FS: 00007fa206691580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 <4>[ 42.504483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.511261] CR2: 00007fa20649b000 CR3: 000000010441e000 CR4: 00000000003506f0 # Segmentation fault # [ 42.076254] lkdtm: Performing direct entry BUG # [ 42.081875] ------------[ cut here ]------------ # [ 42.087381] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 42.093597] invalid opcode: 0000 [#1] SMP PTI # [ 42.098761] CPU: 0 PID: 638 Comm: cat Tainted: G W 5.10.206-cip41 #1 # [ 42.107594] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 42.114500] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.119177] 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 # [ 42.140437] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 42.146572] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.154834] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 42.163099] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 42.171363] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.179628] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 42.187893] FS: 00007fa206691580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 # [ 42.197217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.203921] CR2: 00007fa20649b000 CR3: 000000010441e000 CR4: 00000000003506f0 # [ 42.212185] Call Trace: # [ 42.215221] ? __die_body.cold+0x1a/0x1f # [ 42.219899] ? die+0x2b/0x50 # [ 42.223412] ? do_trap+0x91/0x110 # [ 42.227407] ? lkdtm_BUG+0x5/0x10 # [ 42.231403] ? do_error_trap+0x90/0x110 # [ 42.235978] ? lkdtm_BUG+0x5/0x10 # [ 42.239969] ? lkdtm_BUG+0x5/0x10 # [ 42.243967] ? exc_invalid_op+0x4e/0x70 # [ 42.248541] ? lkdtm_BUG+0x5/0x10 # [ 42.252540] ? asm_exc_invalid_op+0x12/0x20 # [ 42.257510] ? direct_entry+0xe0/0xe0 # [ 42.261895] ? lkdtm_BUG+0x5/0x10 # [ 42.265895] direct_entry.cold+0x2c/0x38 # [ 42.270576] full_proxy_write+0x56/0x80 # [ 42.275159] vfs_write+0xea/0x3b0 # [ 42.279157] ksys_write+0x68/0xf0 # [ 42.283159] do_syscall_64+0x33/0x40 # [ 42.287448] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 42.293387] RIP: 0033:0x7fa2065a7473 # [ 42.297667] 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 # [ 42.318948] RSP: 002b:00007ffe64b9f068 EFLAGS: 00000246 ORIG_RAX:<6>[ 42.801182] lkdtm: Performing direct entry WARNING 0000000000000001 # [ 42.327704] RAX: ffffffffffffffda RBX: 0<4>[ 42.807681] ------------[ cut here ]------------ <4>[ 42.819356] WARNING: CPU: 2 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 000000000000004 RCX: 00007fa2065a7473 # [ 42.335972] RDX: 000<4>[ 42.829105] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 42.875406] CPU: 2 PID: 677 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 42.884297] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 42.891227] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 42.896402] 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>[ 42.917681] RSP: 0018:ffffbd9701267e60 EFLAGS: 00010202 <4>[ 42.923832] RAX: ffffffff9657bf10 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 42.932110] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffffffff976f84c0 <4>[ 42.940391] RBP: ffffffff97b82aff R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.948676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 42.956958] R13: ffffbd9701267f10 R14: ffffbd9701267f10 R15: ffff9d504660c000 <4>[ 42.965239] FS: 00007f10da54b580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 42.974589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.981319] CR2: 00007f10da355000 CR3: 0000000104484000 CR4: 00000000003506e0 <4>[ 42.989595] Call Trace: <4>[ 42.992652] ? __warn+0x80/0x110 <4>[ 42.996571] ? lkdtm_WARNING+0x13/0x20 <4>[ 43.001073] ? report_bug+0x9e/0xc0 <4>[ 43.005288] ? handle_bug+0x41/0x90 <4>[ 43.009498] ? exc_invalid_op+0x14/0x70 <4>[ 43.014095] ? asm_exc_invalid_op+0x12/0x20 <4>[ 43.019085] ? lkdtm_BUG+0x10/0x10 <4>[ 43.023196] ? lkdtm_WARNING+0x13/0x20 <4>[ 43.027698] direct_entry.cold+0x2c/0x38 <4>[ 43.032397] full_proxy_write+0x56/0x80 <4>[ 43.036999] vfs_write+0xea/0x3b0 <4>[ 43.041016] ksys_write+0x68/0xf0 0000000000004 RSI: 00007fa20649b000 RDI: 0000000000000001 # [ <4>[ 43.045028] do_syscall_64+0x33/0x40 <4>[ 43.055516] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.061465] RIP: 0033:0x7f10da461473 <4>[ 43.065764] 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>[ 43.087054] RSP: 002b:00007ffe631340e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 42.344239] RBP: 00007fa20649b000 R08: 00007fa20649a010 R09: 000<4>[ 43.095817] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f10da461473 0000000000000 # [ 42.352505] R10: fffffffffffffbc5 R11: 00000<4>[ 43.110291] RDX: 0000000000000008 RSI: 00007f10da355000 RDI: 0000000000000001 <4>[ 43.124758] RBP: 00007f10da355000 R08: 00007f10da354010 R09: 0000000000000000 <4>[ 43.133039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.141313] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.149603] irq event stamp: 0 <4>[ 43.153326] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.160633] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.170082] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.179527] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.186832] ---[ end trace f8800554775ed3d1 ]--- 00000000246 R12: 0000000000000001 # [ 42.360771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.369047] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 42.411148] gsmi: Log Shutdown Reason 0x03 # [ 42.416077] ---[ end trace f8800554775ed3d0 ]--- # [ 42.421558] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.426248] 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 # [ 42.447535] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 42.453687] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.461970] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 42.470269] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 42.478558] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.486851] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 42.495132] FS: 00007fa206691580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 # [ 42.504483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.511261] CR2: 00007fa20649b000 CR3: 000000010441e000 CR4: 00000000003506f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 42.801182] lkdtm: Performing direct entry WARNING # [ 42.807681] ------------[ cut here ]------------ # [ 42.819356] WARNING: CPU: 2 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 42.829105] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 42.875406] CPU: 2 PID: 677 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 42.884297] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 42.891227] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 42.896402] 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 # [ 42.917681] RSP: 0018:ffffbd9701267e<6>[ 43.460212] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 43.471839] ------------[ cut here ]------------ <4>[ 43.477328] Warning message trigger count: 2 60 EFLAGS: 00010202 # [ 42.923832] RAX: ffffffff9657bf10 RBX:<4>[ 43.482477] WARNING: CPU: 1 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 0000000000000002 RCX: 0000000000000000 # [ 42.932110] RDX: 0<4>[ 43.499107] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 43.545397] CPU: 1 PID: 713 Comm: cat Tainted: G D W 5.10.206-cip41 #1 000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffffffff976f84c0 # [<4>[ 43.554284] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 43.567379] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 43.573333] 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 60 30 b8 97 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>[ 43.594621] RSP: 0018:ffffbd97012f7e60 EFLAGS: 00010286 <4>[ 43.600770] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 42.940391] RBP: ffffffff97b82aff R08: 0000000000000000 R09: 0<4>[ 43.609048] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 <4>[ 43.623517] RBP: ffffffff97b82b07 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.631790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 43.640068] R13: ffffbd97012f7f10 R14: ffffbd97012f7f10 R15: ffff9d5046429000 <4>[ 43.648338] FS: 00007fd82f011580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 43.657677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.664396] CR2: 00007fd82ee1b000 CR3: 0000000105a5a000 CR4: 00000000003506e0 <4>[ 43.672670] Call Trace: <4>[ 43.675729] ? __warn+0x80/0x110 <4>[ 43.679652] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 43.684930] ? report_bug+0x9e/0xc0 <4>[ 43.689148] ? handle_bug+0x41/0x90 <4>[ 43.693361] ? exc_invalid_op+0x14/0x70 <4>[ 43.697959] ? asm_exc_invalid_op+0x12/0x20 <4>[ 43.702951] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 43.708235] direct_entry.cold+0x2c/0x38 <4>[ 43.712937] full_proxy_write+0x56/0x80 <4>[ 43.717544] vfs_write+0xea/0x3b0 <4>[ 43.721561] ksys_write+0x68/0xf0 <4>[ 43.725582] do_syscall_64+0x33/0x40 <4>[ 43.729889] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.735845] RIP: 0033:0x7fd82ef27473 <4>[ 43.740147] 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>[ 43.761424] RSP: 002b:00007ffd114869a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000000000000 # [ 42.948676] R10: 00000000ffffe000 R11: 3ff<4>[ 43.770190] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd82ef27473 <4>[ 43.784666] RDX: 0000000000000010 RSI: 00007fd82ee1b000 RDI: 0000000000000001 <4>[ 43.792946] RBP: 00007fd82ee1b000 R08: 00007fd82ee1a010 R09: 0000000000000000 <4>[ 43.801228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.809515] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.817810] irq event stamp: 0 <4>[ 43.821533] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.828847] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.838295] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.847740] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.855042] ---[ end trace f8800554775ed3d2 ]--- fffffffffffff R12: 0000000000000008 # [ 42.956958] R13: ffffbd9701267f10 R14: ffffbd9701267f10 R15: ffff9d504660c000 # [ 42.965239] FS: 00007f10da54b580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 42.974589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.981319] CR2: 00007f10da355000 CR3: 0000000104484000 CR4: 00000000003506e0 # [ 42.989595] Call Trace: # [ 42.992652] ? __warn+0x80/0x110 # [ 42.996571] ? lkdtm_WARNING+0x13/0x20 # [ 43.001073] ? report_bug+0x9e/0xc0 # [ 43.005288] ? handle_bug+0x41/0x90 # [ 43.009498] ? exc_invalid_op+0x14/0x70 # [ 43.014095] ? asm_exc_invalid_op+0x12/0x20 # [ 43.019085] ? lkdtm_BUG+0x10/0x10 # [ 43.023196] ? lkdtm_WARNING+0x13/0x20 # [ 43.027698] direct_entry.cold+0x2c/0x38 # [ 43.032397] full_proxy_write+0x56/0x80 # [ 43.036999] vfs_write+0xea/0x3b0 # [ 43.041016] ksys_write+0x68/0xf0 # [ 43.045028] do_syscall_64+0x33/0x40 # [ 43.055516] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.061465] RIP: 0033:0x7f10da461473 # [ 43.065764] 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 # [ 43.087054] RSP: 002b:00007ffe631340e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.095817] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f10da461473 # [ 43.110291] RDX: 0000000000000008 RSI: 00007f10da355000 RDI: 0000000000000001 # [ 43.124758] RBP: 00007f10da355000 R08: 00007f10da354010 R09: 0000000000000000 # [ 43.133039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.141313] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.149603] irq event stamp: 0 # [ 43.153326] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.160633] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.170082] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.179527] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.186832] ---[ end trace f8800554775ed3d1 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 43.460212] lkdtm: Performing direct entry WARNING_MESSAGE # [ 43.471839] ------------[ cut here ]------------ # [ 43.477328] Warning message trigger count: 2 # [ 43.482477] WARNING: CPU: 1 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.499107] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_h<6>[ 44.141872] lkdtm: Performing direct entry EXCEPTION id< snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore cor1>[ 44.152104] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.166390] #PF: supervisor write access in kernel mode <1>[ 44.172518] #PF: error_code(0x0002) - not-present page <6>[ 44.178548] PGD 0 P4D 0 <4>[ 44.181675] Oops: 0002 [#2] SMP PTI <4>[ 44.185869] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 44.194716] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.201631] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 44.206891] Code: 48 c7 c7 60 30 b8 97 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>[ 44.228170] RSP: 0018:ffffbd9701367e60 EFLAGS: 00010286 <4>[ 44.234303] RAX: ffffffff9657bf60 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 44.242570] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff976f84e0 <4>[ 44.250835] RBP: ffffffff97a76777 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.259100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 44.267364] R13: ffffbd9701367f10 R14: ffffbd9701367f10 R15: ffff9d50466f5000 <4>[ 44.275627] FS: 00007f451cff5580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 44.284960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.291670] CR2: 0000000000000000 CR3: 000000010381e000 CR4: 00000000003506e0 <4>[ 44.299934] Call Trace: <4>[ 44.302968] ? __die_body.cold+0x1a/0x1f <4>[ 44.307648] ? no_context+0x177/0x380 <4>[ 44.312036] ? exc_page_fault+0x53/0x170 <4>[ 44.316713] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.321682] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 44.326940] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 44.331522] direct_entry.cold+0x2c/0x38 <4>[ 44.336201] full_proxy_write+0x56/0x80 <4>[ 44.340785] vfs_write+0xea/0x3b0 <4>[ 44.344783] ksys_write+0x68/0xf0 <4>[ 44.348775] do_syscall_64+0x33/0x40 <4>[ 44.353061] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.359000] RIP: 0033:0x7f451cf0b473 <4>[ 44.363290] 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>[ 44.384564] RSP: 002b:00007ffeff99dfd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.393318] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f451cf0b473 <4>[ 44.401583] RDX: 000000000000000a RSI: 00007f451cdff000 RDI: 0000000000000001 <4>[ 44.409848] RBP: 00007f451cdff000 R08: 00007f451cdfe010 R09: 0000000000000000 <4>[ 44.418114] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.426377] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 eboot_table # [ 43.545397] CPU: 1 PID: 713 Comm: cat Tainted:<4>[ 44.434649] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 44.480946] CR2: 0000000000000000 <4>[ 44.484942] ---[ end trace f8800554775ed3d3 ]--- <4>[ 44.490374] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.495034] 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>[ 44.516305] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 44.522436] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.530702] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 44.538967] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.547234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.555490] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 44.563754] FS: 00007f451cff5580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 44.573087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.579797] CR2: 0000000000000000 CR3: 000000010381e000 CR4: 00000000003506e0 <3>[ 44.588063] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.598270] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat <4>[ 44.606923] INFO: lockdep is turned off. <4>[ 44.611596] irq event stamp: 0 <4>[ 44.615299] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.622594] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.632014] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.641443] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.648729] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 44.657570] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.664468] Call Trace: <4>[ 44.667495] dump_stack+0x77/0x9b <4>[ 44.671494] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.676368] exit_signals+0x1c/0x300 <4>[ 44.680654] do_exit+0xc2/0xab0 <4>[ 44.684455] ? ksys_write+0x68/0xf0 <4>[ 44.688644] make_task_dead+0x2f/0x30 <4>[ 44.693020] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.698569] RIP: 0033:0x7f451cf0b473 <4>[ 44.702847] 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>[ 44.724116] RSP: 002b:00007ffeff99dfd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.732866] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f451cf0b473 <4>[ 44.741127] RDX: 000000000000000a RSI: 00007f451cdff000 RDI: 0000000000000001 <4>[ 44.749390] RBP: 00007f451cdff000 R08: 00007f451cdfe010 R09: 0000000000000000 <4>[ 44.757647] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.765906] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 G D W 5.10.206-cip41 #1 # [ 43.554284] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.567379] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.573333] 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 60 30 b8 97 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 # [ 43.594621] RSP: 0018:ffffbd97012f7e60 EFLAGS: 00010286 # [ 43.600770] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 43.609048] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 # [ 43.623517] RBP: ffffffff97b82b07 R08: 0000000000000000 R09: 0000000000000000 # [ 43.631790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 43.640068] R13: ffffbd97012f7f10 R14: ffffbd97012f7f10 R15: ffff9d5046429000 # [ 43.648338] FS: 00007fd82f011580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 43.657677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.664396] CR2: 00007fd82ee1b000 CR3: 0000000105a5a000 CR4: 00000000003506e0 # [ 43.672670] Call Trace: # [ 43.675729] ? __warn+0x80/0x110 # [ 43.679652] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.684930] ? report_bug+0x9e/0xc0 # [ 43.689148] ? handle_bug+0x41/0x90 # [ 43.693361] ? exc_invalid_op+0x14/0x70 # [ 43.697959] ? asm_exc_invalid_op+0x12/0x20 # [ 43.702951] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.708235] direct_entry.cold+0x2c/0x38 # [ 43.712937] full_proxy_write+0x56/0x80 # [ 43.717544] vfs_write+0xea/0x3b0 # [ 43.721561] ksys_write+0x68/0xf0 # [ 43.725582] do_syscall_64+0x33/0x40 # [ 43.729889] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.735845] RIP: 0033:0x7fd82ef27473 # [ 43.740147] 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 # [ 43.761424] RSP: 002b:00007ffd114869a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.770190] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd82ef27473 # [ 43.784666] RDX: 0000000000000010 RSI: 00007fd82ee1b000 RDI: 0000000000000001 # [ 43.792946] RBP: 00007fd82ee1b000 R08: 00007fd82ee1a010 R09: 0000000000000000 # [ 43.801228] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.809515] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.817810] irq event stamp: 0 # [ 43.821533] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.828847] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.838295] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.847740] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.855042] ---[ end trace f8800554775ed3d2 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 44.141872] lkdtm: Performing direct entry EXCEPTION # [ 44.152104] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 44.166390] #PF: supervisor write access in kernel mode # [ 44.172518] #PF: error_code(0x0002) - not-present page # [ 44.178548] PGD 0 P4D 0 # [ 44.181675] Oops: 0002 [#2] SMP PTI # [ 44.185869] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 44.194716] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.201631] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 44.206891] Code: 48 c7 c7 60 30 b8 97 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 # [ 44.228170] RSP: 0018:ffffbd9701367e60 EFLAGS: 00010286 # [ 44.234303] RAX: ffffffff9657bf60 RBX: 0000000000000004 RCX: 0000000000000000 # [ 44.242570] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff976f84e0 # [ 44.250835] RBP: ffffffff97a76777 R08: 0000000000000000 R09: 0000000000000000 # [ 44.259100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 44.267364] R13: ffffbd9701367f10 R14: ffffbd9701367f10 R15: ffff9d50466f5000 # [ 44.275627] FS: 00007f451cff5580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 44.284960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.291670] CR2: 0000000000000000 CR3: 000000010381e000 CR4: 00000000003506e0 # [ 44.299934] Call Trace: # [ 44.302968] ? __die_body.cold+0x1a/0x1f # [ 44.307648] ? no_context+0x177/0x380 # [ 44.312036] ? exc_page_fault+0x53/0x170 # [ 44.316713] ? asm_exc_page_fault+0x1e/0x30 # [ 44.321682] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 44.326940] ? lkdtm_EXCEPTION+0x5/0x20 # [ 44.331522] direct_entry.cold+0x2c/0x38 # [ 44.336201] full_proxy_write+0x56/0x80 # [ 44.340785] vfs_write+0xea/0x3b0 # [ 44.344783] ksys_write+0x68/0xf0 # [ 44.348775] do_syscall_64+0x33/0x40 # [ 44.353061] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.359000] RIP: 0033:0x7f451cf0b473 # [ 44.363290] 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 # [ 44.384564] RSP: 002b:00007ffeff99dfd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.393318] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f451cf0b473 # [ 44.401583] RDX: 000000000000000a RSI: 00007f451cdff000 RDI: 0000000000000001 # [ 44.409848] RBP: 00007f451cdff000 R08: 00007f451cdfe010 R09: 0000000000000000 # [ 44.418114] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.426377] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.434649] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 44.480946] CR2: 0000000000000000 # [ 44.484942] ---[ end trace f8800554775ed3d3 ]--- # [ 44.490374] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.495034] 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 # [ 44.516305] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 44.522436] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.530702] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 44.538967] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 44.547234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.555490] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 44.563754] FS: 00007f451cff5580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 44.573087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.579797] CR2: 0000000000000000 CR3: 000000010381e000 CR4: 00000000003506e0 # [ 44.588063] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 44.598270] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat # [ 44.606923] INFO: lockdep is turned off. # [ 44.611596] irq event stamp: 0 # [ 44.615299] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.622594] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.632014] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.641443] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.648729] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 44.657570] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.664468] Call Trace: # [ 44.667495] dump_stack+0x77/0x9b # [ 44.671494] ___might_sleep.cold+0xa6/0xb6 # [ 44.676368] exit_signals+0x1c/0x300 # [ 44.680654] do_exit+0xc2/0xab0 # [ 44.684455] ? ksys_write+0x68/0xf0 # [ 44.688644] make_task_dead+0x2f/0x30 # [ 44.693020] rewind_stack_and_make_dead+0x17/0x20 # [ 44.698569] RIP: 0033:0x7f451cf0b473 # [ 44.702847] 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 # [ 44.724116] RSP: 002b:00007ffeff99dfd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.732866] RAX: ffffffffffffffda RBX: 000000<6>[ 45.641400] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 45.650293] lkdtm: attempting good list addition <6>[ 45.655779] lkdtm: attempting corrupted list addition <3>[ 45.661728] lkdtm: list_add() corruption not detected! 000000000a RCX: 00007f451cf0b473 # [ 44.741127] RDX: 000000000000000a RSI: 00007f451cdff000 RDI: 0000000000000001 # [ 44.749390] RBP: 00007f451cdff000 R08: 00007f451cdfe010 R09: 0000000000000000 # [ 44.757647] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.765906] 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 # [ 45.641400] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 45.650293] lkdtm: attempting good list addition # [ 45.655779] lkdtm: attempting corrupted list addition # [ 45.661728] 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>[ 45.933161] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 45.939735] lkdtm: attempting good list removal <6>[ 45.945124] lkdtm: attempting corrupted list removal <3>[ 45.950980] lkdtm: list_del() corruption not detected! # [ 45.933161] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 45.939735] lkdtm: attempting good list removal # [ 45.945124] lkdtm: attempting corrupted list removal # [ 45.950980] 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>[ 46.214464] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 46.221830] lkdtm: attempting bad read from page below current stack <0>[ 46.229265] BUG: stack guard page was hit at 000000003e977525 (stack is 0000000049d88785..000000009ddcca12) <4>[ 46.240451] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 46.247555] CPU: 1 PID: 978 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 46.256404] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.263323] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 46.270136] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 00 34 b8 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 40 34 b8 97 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44 <4>[ 46.291413] RSP: 0018:ffffbd97016ffe50 EFLAGS: 00010246 <4>[ 46.297549] RAX: 0000000000000038 RBX: ffffbd97016fc000 RCX: 0000000000000000 <4>[ 46.305815] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83440 <4>[ 46.314081] RBP: ffffffff97b82b6a R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.322347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 46.330614] R13: ffffbd97016fff10 R14: ffffbd97016fff10 R15: ffff9d5046de6000 <4>[ 46.338882] FS: 00007eff1393d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 46.348216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.354927] CR2: ffffbd97016fbfff CR3: 00000001046ec000 CR4: 00000000003506e0 <4>[ 46.363192] Call Trace: <4>[ 46.366220] <#DF> <4>[ 46.368768] ? __die_body.cold+0x1a/0x1f <4>[ 46.373448] ? die+0x2b/0x50 <4>[ 46.376963] ? handle_stack_overflow+0x3e/0x4d <4>[ 46.382227] ? no_context+0x24d/0x380 <4>[ 46.386609] <4>[ 46.389242] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 46.429353] ---[ end trace f8800554775ed3d4 ]--- <4>[ 46.434810] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.439487] 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>[ 46.460765] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 46.466896] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.475164] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 46.483430] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.491698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.499966] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 46.508235] FS: 00007eff1393d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 46.517568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.524283] CR2: ffffbd97016fbfff CR3: 00000001046ec000 CR4: 00000000003506e0 <3>[ 46.532553] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.542762] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat <4>[ 46.551417] INFO: lockdep is turned off. <4>[ 46.556088] irq event stamp: 0 <4>[ 46.559793] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.567092] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.576519] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.585949] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.593248] CPU: 1 PID: 978 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 46.602095] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.609000] Call Trace: <4>[ 46.612031] dump_stack+0x77/0x9b <4>[ 46.616034] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.620909] exit_signals+0x1c/0x300 <4>[ 46.625197] do_exit+0xc2/0xab0 <4>[ 46.629001] ? ksys_write+0x68/0xf0 <4>[ 46.633195] make_task_dead+0x2f/0x30 <4>[ 46.637581] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.643131] RIP: 0033:0x7eff13853473 <4>[ 46.647419] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.668699] RSP: 002b:00007ffc31d01918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.677452] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007eff13853473 <4>[ 46.685719] RDX: 0000000000000019 RSI: 00007eff13747000 RDI: 0000000000000001 <4>[ 46.693986] RBP: 00007eff13747000 R08: 00007eff13746010 R09: 0000000000000000 <4>[ 46.702253] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.710520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 46.214464] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 46.221830] lkdtm: attempting bad read from page below current stack # [ 46.229265] BUG: stack guard page was hit at 000000003e977525 (stack is 0000000049d88785..000000009ddcca12) # [ 46.240451] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 46.247555] CPU: 1 PID: 978 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 46.256404] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.263323] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 46.270136] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 00 34 b8 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 40 34 b8 97 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44 # [ 46.291413] RSP: 0018:ffffbd97016ffe50 EFLAGS: 00010246 # [ 46.297549] RAX: 0000000000000038 RBX: ffffbd97016fc000 RCX: 0000000000000000 # [ 46.305815] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83440 # [ 46.314081] RBP: ffffffff97b82b6a R08: 0000000000000000 R09: 0000000000000000 # [ 46.322347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 46.330614] R13: ffffbd97016fff10 R14: ffffbd97016fff10 R15: ffff9d5046de6000 # [ 46.338882] FS: 00007eff1393d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 46.348216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.354927] CR2: ffffbd97016fbfff CR3: 00000001046ec000 CR4: 00000000003506e0 # [ 46.363192] Call Trace: # [ 46.366220] <#DF> # [ 46.368768] ? __die_body.cold+0x1a/0x1f # [ 46.373448] ? die+0x2b/0x50 # [ 46.376963] ? handle_stack_overflow+0x3e/0x4d # [ 46.382227] ? no_context+0x24d/0x380 # [ 46.386609] # [ 46.389242] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 46.429353] ---[ end trace f8800554775ed3d4 ]--- # [ 46.434810] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.439487] 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 # [ 46.460765] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 46.466896] RAX: f<6>[ 47.012804] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 47.025920] lkdtm: attempting bad read from page above current stack <0>[ 47.033360] BUG: stack guard page was hit at 00000000a93252ee (stack is 000000009de0840e..00000000cba71722) f[ 47.044549] kernel stack overflow (page fault): 0000 [#4] SMP PTI 46.475164] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: f<4>[ 47.057869] CPU: 1 PID: 1012 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 47.073020] Hardware name: Google Coral/Coral, BIOS 09/29/2020 fffffff976f84b0 # [ 46.483430] RBP: ffffffff97be8e88 R08: 000<4>[ 47.079934] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 47.093055] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 78 34 b8 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 b8 34 b8 97 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff <4>[ 47.114329] RSP: 0018:ffffbd970179fe50 EFLAGS: 00010246 <4>[ 47.120463] RAX: 0000000000000038 RBX: ffffbd970179c000 RCX: 0000000000000000 <4>[ 47.128724] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b834b8 <4>[ 47.136984] RBP: ffffffff97b82b83 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.145245] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 47.153507] R13: ffffbd970179ff10 R14: ffffbd970179ff10 R15: ffff9d504666f000 <4>[ 47.161769] FS: 00007f6c00348580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 47.171099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.177803] CR2: ffffbd97017a0000 CR3: 00000001059f2000 CR4: 00000000003506e0 <4>[ 47.186067] Call Trace: <4>[ 47.189093] <#DF> <4>[ 47.191640] ? __die_body.cold+0x1a/0x1f <4>[ 47.196318] ? die+0x2b/0x50 <4>[ 47.199831] ? handle_stack_overflow+0x3e/0x4d <4>[ 47.205092] ? no_context+0x24d/0x380 <4>[ 47.209475] <4>[ 47.212109] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 47.252209] ---[ end trace f8800554775ed3d5 ]--- <4>[ 47.257663] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.262340] 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>[ 47.283606] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 47.289735] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.298000] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 47.306265] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.314527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.322792] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 47.331057] FS: 00007f6c00348580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 47.340391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.347104] CR2: ffffbd97017a0000 CR3: 00000001059f2000 CR4: 00000000003506e0 0000000000001 R09: 0000000000000001 # [ 46.491698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.499966] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 46.508235] FS: 00007eff1393d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 46.517568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.524283] CR2: ffffbd97016fbfff CR3: 00000001046ec000 CR4: 00000000003506e0 # [ 46.532553] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 46.542762] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat # [ 46.551417] INFO: lockdep is turned off. # [ 46.556088] irq event stamp: 0 # [ 46.559793] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.567092] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.576519] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.585949] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.593248] CPU: 1 PID: 978 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 46.602095] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 46.609000] Call Trace: # [ 46.612031] dump_stack+0x77/0x9b # [ 46.616034] ___might_sleep.cold+0xa6/0xb6 # [ 46.620909] exit_signals+0x1c/0x300 # [ 46.625197] do_exit+0xc2/0xab0 # [ 46.629001] ? ksys_write+0x68/0xf0 # [ 46.633195] make_task_dead+0x2f/0x30 # [ 46.637581] rewind_stack_and_make_dead+0x17/0x20 # [ 46.643131] RIP: 0033:0x7eff13853473 # [ 46.647419] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.668699] RSP: 002b:00007ffc31d01918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.677452] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007eff13853473 # [ 46.685719] RDX: 0000000000000019 RSI: 00007eff13747000 RDI: 0000000000000001 # [ 46.693986] RBP: 00007eff13747000 R08: 00007eff13746010 R09: 0000000000000000 # [ 46.702253] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.710520] 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 # [ 47.012804] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 47.025920] lkdtm: attempting bad read from page above current stack # [ 47.033360] BUG: stack guard page was hit at 00000000a93252ee (stack is 000000009de0840e..00000000cba71722) # [ 47.044549] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 47.057869] CPU: 1 PID: 1012 Comm: cat Tainted: G D W 5.10.206-cip41 #1 #<6>[ 47.635675] lkdtm: Performing direct entry UNSET_SMEP <6>[ 47.647147] lkdtm: trying to clear SMEP normally <4>[ 47.652643] ------------[ cut here ]------------ [ 47.073020] Hardware name: Google Coral/Coral, BIOS 09/29/2<4>[ 47.658125] pinned CR4 bits changed: 0x100000!? 020 # [ 47.079934] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+<4>[ 47.669698] WARNING: CPU: 2 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 0x27/0x3d # [ 47.093055] Code: de fb ff 0f 1f 44 00 00 53 48 <4>[ 47.686392] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 47.732651] CPU: 2 PID: 1049 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 47.741609] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 47.748532] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 47.753998] 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 18 08 a8 97 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>[ 47.775266] RSP: 0018:ffffbd9701847e48 EFLAGS: 00010286 c7 c7 78 34 b8 97 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b<4>[ 47.781402] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 <4>[ 47.795890] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 <4>[ 47.804165] RBP: ffffffff97b82b9d R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.812440] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 47.820714] R13: ffffbd9701847f10 R14: ffffbd9701847f10 R15: ffff9d50466f4000 0 de fb ff 48 c7 c7 b8 34 b8 97 <8a> 83 00 40 00 00 88 44 24 07 <4>[ 47.829044] FS: 00007f05ecf58580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 47.844600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.851336] CR2: 00007f05ecd62000 CR3: 000000010593a000 CR4: 00000000003506e0 <4>[ 47.859623] Call Trace: <4>[ 47.862672] ? __warn+0x80/0x110 <4>[ 47.866594] ? native_write_cr4+0x45/0x60 <4>[ 47.871391] ? report_bug+0x9e/0xc0 <4>[ 47.875604] ? handle_bug+0x41/0x90 <4>[ 47.879812] ? exc_invalid_op+0x14/0x70 <4>[ 47.884409] ? asm_exc_invalid_op+0x12/0x20 <4>[ 47.889406] ? native_write_cr4+0x45/0x60 <4>[ 47.894202] ? native_write_cr4+0x45/0x60 <4>[ 47.898997] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 47.904178] direct_entry.cold+0x2c/0x38 <4>[ 47.908876] full_proxy_write+0x56/0x80 <4>[ 47.913482] vfs_write+0xea/0x3b0 <4>[ 47.917507] ksys_write+0x68/0xf0 <4>[ 47.921529] do_syscall_64+0x33/0x40 <4>[ 47.925834] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 47.931793] RIP: 0033:0x7f05ece6e473 <4>[ 47.936099] 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 0f b6 74 24 07 5a 5b e9 93 de fb ff # [ 47.114329] RSP: 0018:<4>[ 47.957390] RSP: 002b:00007ffebe3f4678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.972360] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f05ece6e473 <4>[ 47.980647] RDX: 000000000000000b RSI: 00007f05ecd62000 RDI: 0000000000000001 <4>[ 47.988937] RBP: 00007f05ecd62000 R08: 00007f05ecd61010 R09: 0000000000000000 <4>[ 47.997223] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.005503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.013803] irq event stamp: 0 <4>[ 48.017529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.024849] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.034290] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.043743] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.051055] ---[ end trace f8800554775ed3d6 ]--- <6>[ 48.056523] lkdtm: ok: SMEP did not get cleared <6>[ 48.061899] lkdtm: trying to clear SMEP with call gadget <6>[ 48.068147] lkdtm: ok: SMEP removal was reverted ffffbd970179fe50 EFLAGS: 00010246 # [ 47.120463] RAX: 0000000000000038 RBX: ffffbd970179c000 RCX: 0000000000000000 # [ 47.128724] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b834b8 # [ 47.136984] RBP: ffffffff97b82b83 R08: 0000000000000000 R09: 0000000000000000 # [ 47.145245] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 47.153507] R13: ffffbd970179ff10 R14: ffffbd970179ff10 R15: ffff9d504666f000 # [ 47.161769] FS: 00007f6c00348580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 47.171099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.177803] CR2: ffffbd97017a0000 CR3: 00000001059f2000 CR4: 00000000003506e0 # [ 47.186067] Call Trace: # [ 47.189093] <#DF> # [ 47.191640] ? __die_body.cold+0x1a/0x1f # [ 47.196318] ? die+0x2b/0x50 # [ 47.199831] ? handle_stack_overflow+0x3e/0x4d # [ 47.205092] ? no_context+0x24d/0x380 # [ 47.209475] # [ 47.212109] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 47.252209] ---[ end trace f8800554775ed3d5 ]--- # [ 47.257663] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.262340] 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 # [ 47.283606] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 47.289735] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.298000] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 47.306265] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 47.314527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.322792] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 47.331057] FS: 00007f6c00348580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 47.340391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.347104] CR2: ffffbd97017a0000 CR3: 00000001059f2000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 47.635675] lkdtm: Performing direct entry UNSET_SMEP # [ 47.647147] lkdtm: trying to clear SMEP normally # [ 47.652643] ------------[ cut here ]------------ # [ 47.658125] pinned CR4 bits changed: 0x100000!? # [ 47.669698] WARNING: CPU: 2 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 47.686392] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cro<6>[ 48.363433] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 48.371975] lkdtm: XFAIL: this test is ia32-only s_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 47.732651] CPU: 2 PID: 1049 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 47.741609] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.748532] RIP: 0010:native_write_cr4+0x45/0x60 # [ 47.753998] 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 18 08 a8 97 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 # [ 47.775266] RSP: 0018:ffffbd9701847e48 EFLAGS: 00010286 # [ 47.781402] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 47.795890] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 # [ 47.804165] RBP: ffffffff97b82b9d R08: 0000000000000000 R09: 0000000000000000 # [ 47.812440] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 47.820714] R13: ffffbd9701847f10 R14: ffffbd9701847f10 R15: ffff9d50466f4000 # [ 47.829044] FS: 00007f05ecf58580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 47.844600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.851336] CR2: 00007f05ecd62000 CR3: 000000010593a000 CR4: 00000000003506e0 # [ 47.859623] Call Trace: # [ 47.862672] ? __warn+0x80/0x110 # [ 47.866594] ? native_write_cr4+0x45/0x60 # [ 47.871391] ? report_bug+0x9e/0xc0 # [ 47.875604] ? handle_bug+0x41/0x90 # [ 47.879812] ? exc_invalid_op+0x14/0x70 # [ 47.884409] ? asm_exc_invalid_op+0x12/0x20 # [ 47.889406] ? native_write_cr4+0x45/0x60 # [ 47.894202] ? native_write_cr4+0x45/0x60 # [ 47.898997] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 47.904178] direct_entry.cold+0x2c/0x38 # [ 47.908876] full_proxy_write+0x56/0x80 # [ 47.913482] vfs_write+0xea/0x3b0 # [ 47.917507] ksys_write+0x68/0xf0 # [ 47.921529] do_syscall_64+0x33/0x40 # [ 47.925834] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.931793] RIP: 0033:0x7f05ece6e473 # [ 47.936099] 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 # [ 47.957390] RSP: 002b:00007ffebe3f4678 EFLAGS: 00<6>[ 48.613229] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 48.625393] lkdtm: XFAIL: this test is arm64-only 000246 ORIG_RAX: 0000000000000001 # [ 47.972360] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f05ece6e473 # [ 47.980647] RDX: 000000000000000b RSI: 00007f05ecd62000 RDI: 0000000000000001 # [ 47.988937] RBP: 00007f05ecd62000 R08: 00007f05ecd61010 R09: 0000000000000000 # [ 47.997223] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.005503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.013803] irq event stamp: 0 # [ 48.017529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.024849] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.034290] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.043743] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.051055] ---[ end trace f8800554775ed3d6 ]--- # [ 48.056523] lkdtm: ok: SMEP did not get cleared # [ 48.061899] lkdtm: trying to clear SMEP with call gadget # [ 48.068147] 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 # [ 48.363433] lkdtm: Performing direct entry DOUBLE_FAULT # [ 48.371975] 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 # [ 48.613229] lkdtm: Performing direct entry CORRUPT_PAC # [ 48.625393] 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>[ 48.866951] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 48.874456] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 48.866951] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 48.874456] 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>[ 49.349070] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 49.355534] lkdtm: Value in memory before free: 12345678 <6>[ 49.361781] lkdtm: Attempting bad read from freed memory <6>[ 49.368028] lkdtm: Memory was not poisoned # [ 49.349070] lkdtm: Performing direct entry READ_AFTER_FREE # [ 49.355534] lkdtm: Value in memory before free: 12345678 # [ 49.361781] lkdtm: Attempting bad read from freed memory # [ 49.368028] 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>[ 49.723786] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 49.730851] lkdtm: Value in memory before free: 12345678 <6>[ 49.737142] lkdtm: Attempting to read from freed memory <6>[ 49.743330] lkdtm: Buddy page was not poisoned # [ 49.723786] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 49.730851] lkdtm: Value in memory before free: 12345678 # [ 49.737142] lkdtm: Attempting to read from freed memory # [ 49.743330] 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>[ 49.989690] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 49.996254] lkdtm: Attempting double slab free ... # [ 49.989690] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 49.996254] 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>[ 50.227453] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 50.233932] lkdtm: Attempting cross-cache slab free ... # [ 50.227453] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 50.233932] 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>[ 50.466760] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 50.473162] lkdtm: Attempting non-Slab slab free ... # [ 50.466760] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 50.473162] 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>[ 51.192574] lkdtm: Performing direct entry EXEC_DATA <6>[ 51.198451] lkdtm: attempting ok execution at ffffffff9657c2d0 <6>[ 51.205297] lkdtm: attempting bad execution at ffffffff99633d40 <2>[ 51.212242] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 51.220902] BUG: unable to handle page fault for address: ffffffff99633d40 <1>[ 51.228876] #PF: supervisor instruction fetch in kernel mode <1>[ 51.235493] #PF: error_code(0x0011) - permissions violation <6>[ 51.242011] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000023c000e3 <4>[ 51.249809] Oops: 0011 [#5] SMP PTI <4>[ 51.254001] CPU: 1 PID: 1572 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 51.262948] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 51.269864] RIP: 0010:data_area+0x0/0x40 <4>[ 51.274541] Code: ff ff 00 48 28 40 50 9d ff ff 00 47 28 40 50 9d 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>[ 51.295815] RSP: 0018:ffffbd9702027e48 EFLAGS: 00010246 <4>[ 51.301947] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 51.310211] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 <4>[ 51.318477] RBP: ffffffff99633d40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.326743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 51.335010] R13: ffffbd9702027f10 R14: ffffbd9702027f10 R15: ffff9d5045af0000 <4>[ 51.343278] FS: 00007fa734fc3580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 51.352611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.359321] CR2: ffffffff99633d40 CR3: 0000000106458000 CR4: 00000000003506e0 <4>[ 51.367588] Call Trace: <4>[ 51.370626] ? __die_body.cold+0x1a/0x1f <4>[ 51.375309] ? no_context+0x177/0x380 <4>[ 51.379699] ? exc_page_fault+0xd7/0x170 <4>[ 51.384377] ? asm_exc_page_fault+0x1e/0x30 <4>[ 51.389354] ? execute_location+0x48/0x56 <4>[ 51.394127] ? direct_entry.cold+0x2c/0x38 <4>[ 51.398993] ? full_proxy_write+0x56/0x80 <4>[ 51.403767] ? vfs_write+0xea/0x3b0 <4>[ 51.407961] ? ksys_write+0x68/0xf0 <4>[ 51.412153] ? do_syscall_64+0x33/0x40 <4>[ 51.416631] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 51.422767] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 51.462844] CR2: ffffffff99633d40 <4>[ 51.466842] ---[ end trace f8800554775ed3d7 ]--- <4>[ 51.472298] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 51.476974] 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>[ 51.498225] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 51.504342] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 51.512600] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 51.520851] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 51.529106] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 51.537364] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 51.545627] FS: 00007fa734fc3580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 51.554960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.561673] CR2: ffffffff99633d40 CR3: 0000000106458000 CR4: 00000000003506e0 <3>[ 51.569941] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 51.580148] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat <4>[ 51.588899] INFO: lockdep is turned off. <4>[ 51.593571] irq event stamp: 0 <4>[ 51.597278] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.604576] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.614008] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.623440] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.630739] CPU: 1 PID: 1572 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 51.639683] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 51.646587] Call Trace: <4>[ 51.649619] dump_stack+0x77/0x9b <4>[ 51.653620] ___might_sleep.cold+0xa6/0xb6 <4>[ 51.658492] exit_signals+0x1c/0x300 <4>[ 51.662779] do_exit+0xc2/0xab0 <4>[ 51.666574] ? ksys_write+0x68/0xf0 <4>[ 51.670767] make_task_dead+0x2f/0x30 <4>[ 51.675155] rewind_stack_and_make_dead+0x17/0x20 <4>[ 51.680706] RIP: 0033:0x7fa734ed9473 <4>[ 51.684994] 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>[ 51.706261] RSP: 002b:00007fff5e1d3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 51.715015] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa734ed9473 <4>[ 51.723281] RDX: 000000000000000a RSI: 00007fa734dcd000 RDI: 0000000000000001 <4>[ 51.731547] RBP: 00007fa734dcd000 R08: 00007fa734dcc010 R09: 0000000000000000 <4>[ 51.739811] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 51.748073] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 51.192574] lkdtm: Performing direct entry EXEC_DATA # [ 51.198451] lkdtm: attempting ok execution at ffffffff9657c2d0 # [ 51.205297] lkdtm: attempting bad execution at ffffffff99633d40 # [ 51.212242] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 51.220902] BUG: unable to handle page fault for address: ffffffff99633d40 # [ 51.228876] #PF: supervisor instruction fetch in kernel mode # [ 51.235493] #PF: error_code(0x0011) - permissions violation # [ 51.242011] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000023c000e3 # [ 51.249809] Oops: 0011 [#5] SMP PTI # [ 51.254001] CPU: 1 PID: 1572 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 51.262948] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 51.269864] RIP: 0010:data_area+0x0/0x40 # [ 51.274541] Code: ff ff 00 48 28 40 50 9d ff ff 00 47 28 40 50 9d 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 # [ 51.295815] RSP: 0018:ffffbd9702027e48 EFLAGS: 00010246 # [ 51.301947] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.310211] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 # [ 51.318477] RBP: ffffffff99633d40 R08: 0000000000000000 R09: 0000000000000000 # [ 51.326743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 51.335010] R13: ffffbd9702027f10 R14: ffffbd9702027f10 R15: ffff9d5045af0000 # [ 51.343278] FS: 00007fa734fc3580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 51.352611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.359321] CR2: ffffffff99633d40 CR3: 0000000106458000 CR4: 00000000003506e0 # [ 51.367588] Call Trace: # [ 51.370626] ? __die_body.cold+0x1a/0x1f # [ 51.375309] ? no_context+0x177/0x380 # [ 51.379699] ? exc_page_fault+0xd7/0x170 # [ 51.384377] ? asm_exc_page_fault+0x1e/0x30 # [ 51.389354] ? execute_location+0x48/0x56 # [ 51.394127] ? direct_entry.cold+0x2c/0x38 # [ 51.398993] ? full_proxy_write+0x56/0x80 # [ 51.403767] ? vfs_write+0xea/0x3b0 # [ 51.407961] ? ksys_write+0x68/0xf0 # [ 51.412153] ? do_syscall_64+0x33/0x40 # [ 51.416631] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.422767] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memop<6>[ 52.055186] lkdtm: Performing direct entry EXEC_STACK s videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2<6>[ 52.065632] lkdtm: attempting ok execution at ffffffff9657c2d0 _common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_s<6>[ 52.078735] lkdtm: attempting bad execution at ffffbd97020d7e18 oc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chrome<2>[ 52.091854] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 52.106640] BUG: unable to handle page fault for address: ffffbd97020d7e18 <1>[ 52.114615] #PF: supervisor instruction fetch in kernel mode <1>[ 52.121230] #PF: error_code(0x0011) - permissions violation <6>[ 52.127746] PGD 100000067 P4D 100000067 PUD 100248067 PMD 105910067 PTE 80000001059bb063 <4>[ 52.137098] Oops: 0011 [#6] SMP PTI <4>[ 52.141288] CPU: 3 PID: 1609 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 52.150233] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.157143] RIP: 0010:0xffffbd97020d7e18 <4>[ 52.161819] Code: 00 00 18 7e 0d 02 97 bd ff ff 33 f6 c5 96 ff ff ff ff 20 00 00 00 00 00 00 00 c6 2c b8 97 ff ff ff ff 5f f7 c5 96 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>[ 52.183094] RSP: 0018:ffffbd97020d7df8 EFLAGS: 00010246 <4>[ 52.189228] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.197494] RDX: 0000000000000000 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 <4>[ 52.205757] RBP: ffffbd97020d7e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.214022] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 52.222280] R13: ffffbd97020d7f10 R14: ffffbd97020d7f10 R15: ffff9d504660b000 <4>[ 52.230547] FS: 00007feb74fae580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 <4>[ 52.239882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.246593] CR2: ffffbd97020d7e18 CR3: 00000001053ca000 CR4: 00000000003506e0 <4>[ 52.254858] Call Trace: <4>[ 52.257896] ? __die_body.cold+0x1a/0x1f <4>[ 52.262576] ? no_context+0x177/0x380 <4>[ 52.266964] ? exc_page_fault+0xd7/0x170 <4>[ 52.271644] ? asm_exc_page_fault+0x1e/0x30 <4>[ 52.276623] ? execute_location+0x48/0x56 <4>[ 52.281394] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 52.286170] ? direct_entry.cold+0x2c/0x38 <4>[ 52.291045] ? full_proxy_write+0x56/0x80 <4>[ 52.295820] ? vfs_write+0xea/0x3b0 <4>[ 52.300011] ? ksys_write+0x68/0xf0 <4>[ 52.304203] ? do_syscall_64+0x33/0x40 <4>[ 52.308683] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 52.314820] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 52.354922] CR2: ffffbd97020d7e18 <4>[ 52.358922] ---[ end trace f8800554775ed3d8 ]--- <4>[ 52.364367] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 52.369044] 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>[ 52.390310] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 52.396439] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.404705] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 52.412970] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 52.421234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 52.429498] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 52.437766] FS: 00007feb74fae580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 <4>[ 52.447100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.453812] CR2: ffffbd97020d7e18 CR3: 00000001053ca000 CR4: 00000000003506e0 os_pstore coreboot_table # [ 51.462844] CR2: ffffffff99633d40 # [ 51.466842] ---[ end trace f8800554775ed3d7 ]--- # [ 51.472298] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.476974] 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 # [ 51.498225] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 51.504342] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.512600] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 51.520851] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 51.529106] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.537364] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 51.545627] FS: 00007fa734fc3580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 51.554960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.561673] CR2: ffffffff99633d40 CR3: 0000000106458000 CR4: 00000000003506e0 # [ 51.569941] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.580148] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat # [ 51.588899] INFO: lockdep is turned off. # [ 51.593571] irq event stamp: 0 # [ 51.597278] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.604576] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.614008] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.623440] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.630739] CPU: 1 PID: 1572 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 51.639683] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 51.646587] Call Trace: # [ 51.649619] dump_stack+0x77/0x9b # [ 51.653620] ___might_sleep.cold+0xa6/0xb6 # [ 51.658492] exit_signals+0x1c/0x300 # [ 51.662779] do_exit+0xc2/0xab0 # [ 51.666574] ? ksys_write+0x68/0xf0 # [ 51.670767] make_task_dead+0x2f/0x30 # [ 51.675155] rewind_stack_and_make_dead+0x17/0x20 # [ 51.680706] RIP: 0033:0x7fa734ed9473 # [ 51.684994] 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 # [ 51.706261] RSP: 002b:00007fff5e1d3888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.715015] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa734ed9473 # [ 51.723281] RDX: 000000000000000a RSI: 00007fa734dcd000 RDI: 0000000000000001 # [ 51.731547] RBP: 00007fa734dcd000 R08: 00007fa734dcc010 R09: 0000000000000000 # [ 51.739811] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.748073] 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 # [ 52.055186] lkdtm: Performing direct entry EXEC_STACK # [ 52.065632] lkdtm: attempting ok execution at ffffffff9657c2d0 # [ 52.07<6>[ 52.777469] lkdtm: Performing direct entry EXEC_KMALLOC 8735] lkdtm: attempting bad execution at ffffbd97020d7e18 # [ <6>[ 52.785181] lkdtm: attempting ok execution at ffffffff9657c2d0 52.091854] kernel tried to execute NX-protected page - exploit <6>[ 52.798233] lkdtm: attempting bad execution at ffff9d5043f1a780 attempt? (uid: 0) # [ 52.106640] BUG: unable to handle page f<2>[ 52.811463] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 52.826208] BUG: unable to handle page fault for address: ffff9d5043f1a780 <1>[ 52.834183] #PF: supervisor instruction fetch in kernel mode <1>[ 52.840797] #PF: error_code(0x0011) - permissions violation <6>[ 52.847313] PGD 23e01067 P4D 23e01067 PUD 10087d063 PMD 105926063 PTE 8000000103f1a063 <4>[ 52.856470] Oops: 0011 [#7] SMP PTI <4>[ 52.860662] CPU: 3 PID: 1646 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 52.869607] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.876520] RIP: 0010:0xffff9d5043f1a780 <4>[ 52.881198] Code: ad de 40 6b 94 45 50 9d 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 eb f2 af 95 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>[ 52.902475] RSP: 0018:ffffbd9702167e38 EFLAGS: 00010246 <4>[ 52.908607] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.916870] RDX: 0000000000000000 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 <4>[ 52.925135] RBP: ffff9d5043f1a780 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.933402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 52.941668] R13: ffffbd9702167f10 R14: ffffbd9702167f10 R15: ffff9d5046d18000 <4>[ 52.949937] FS: 00007fc339a8b580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 <4>[ 52.959271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.965984] CR2: ffff9d5043f1a780 CR3: 0000000104330000 CR4: 00000000003506e0 <4>[ 52.974248] Call Trace: <4>[ 52.977286] ? __die_body.cold+0x1a/0x1f <4>[ 52.981966] ? no_context+0x177/0x380 <4>[ 52.986350] ? exc_page_fault+0xd7/0x170 <4>[ 52.991021] ? asm_exc_page_fault+0x1e/0x30 <4>[ 52.995993] ? execute_location+0x48/0x56 <4>[ 53.000759] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 53.005724] ? direct_entry.cold+0x2c/0x38 <4>[ 53.010595] ? full_proxy_write+0x56/0x80 <4>[ 53.015369] ? vfs_write+0xea/0x3b0 <4>[ 53.019559] ? ksys_write+0x68/0xf0 <4>[ 53.023753] ? do_syscall_64+0x33/0x40 <4>[ 53.028233] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 53.034365] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 53.074459] CR2: ffff9d5043f1a780 <4>[ 53.078454] ---[ end trace f8800554775ed3d9 ]--- <4>[ 53.083905] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.088578] 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>[ 53.109854] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 53.115986] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.124253] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 53.132518] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.140784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.149050] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 53.157316] FS: 00007fc339a8b580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 <4>[ 53.166651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.173363] CR2: ffff9d5043f1a780 CR3: 0000000104330000 CR4: 00000000003506e0 <3>[ 53.181631] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 53.191838] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, name: cat <4>[ 53.200585] INFO: lockdep is turned off. <4>[ 53.205256] irq event stamp: 0 <4>[ 53.208960] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.216259] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.225691] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.235122] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.242420] CPU: 3 PID: 1646 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 53.251355] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.258258] Call Trace: <4>[ 53.261288] dump_stack+0x77/0x9b <4>[ 53.265288] ___might_sleep.cold+0xa6/0xb6 <4>[ 53.270164] exit_signals+0x1c/0x300 <4>[ 53.274454] do_exit+0xc2/0xab0 <4>[ 53.278256] ? ksys_write+0x68/0xf0 <4>[ 53.282448] make_task_dead+0x2f/0x30 <4>[ 53.286833] rewind_stack_and_make_dead+0x17/0x20 <4>[ 53.292373] RIP: 0033:0x7fc3399a1473 <4>[ 53.296659] 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>[ 53.317935] RSP: 002b:00007fffffe9b718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.326682] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc3399a1473 <4>[ 53.334946] RDX: 000000000000000d RSI: 00007fc339895000 RDI: 0000000000000001 <4>[ 53.343211] RBP: 00007fc339895000 R08: 00007fc339894010 R09: 0000000000000000 <4>[ 53.351476] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.359736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ault for address: ffffbd97020d7e18 # [ 52.114615] #PF: supervisor instruction fetch in kernel mode # [ 52.121230] #PF: error_code(0x0011) - permissions violation # [ 52.127746] PGD 100000067 P4D 100000067 PUD 100248067 PMD 105910067 PTE 80000001059bb063 # [ 52.137098] Oops: 0011 [#6] SMP PTI # [ 52.141288] CPU: 3 PID: 1609 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 52.150233] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.157143] RIP: 0010:0xffffbd97020d7e18 # [ 52.161819] Code: 00 00 18 7e 0d 02 97 bd ff ff 33 f6 c5 96 ff ff ff ff 20 00 00 00 00 00 00 00 c6 2c b8 97 ff ff ff ff 5f f7 c5 96 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 # [ 52.183094] RSP: 0018:ffffbd97020d7df8 EFLAGS: 00010246 # [ 52.189228] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.197494] RDX: 0000000000000000 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 # [ 52.205757] RBP: ffffbd97020d7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 52.214022] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.222280] R13: ffffbd97020d7f10 R14: ffffbd97020d7f10 R15: ffff9d504660b000 # [ 52.230547] FS: 00007feb74fae580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ 52.239882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.246593] CR2: ffffbd97020d7e18 CR3: 00000001053ca000 CR4: 00000000003506e0 # [ 52.254858] Call Trace: # [ 52.257896] ? __die_body.cold+0x1a/0x1f # [ 52.262576] ? no_context+0x177/0x380 # [ 52.266964] ? exc_page_fault+0xd7/0x170 # [ 52.271644] ? asm_exc_page_fault+0x1e/0x30 # [ 52.276623] ? execute_location+0x48/0x56 # [ 52.281394] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 52.286170] ? direct_entry.cold+0x2c/0x38 # [ 52.291045] ? full_proxy_write+0x56/0x80 # [ 52.295820] ? vfs_write+0xea/0x3b0 # [ 52.300011] ? ksys_write+0x68/0xf0 # [ 52.304203] ? do_syscall_64+0x33/0x40 # [ 52.308683] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.314820] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 52.354922] CR2: ffffbd97020d7e18 # [ 52.358922] ---[ end trace f8800554775ed3d8 ]--- # [ 52.364367] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.369044] 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 # [ 52.390310] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 52.396439] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.404705] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 52.412970] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 52.421234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.429498] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 52.437766] FS: 00007feb74fae580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ 52.447100] CS: 0010 DS: 0000 ES: 0000 <6>[ 53.701389] lkdtm: Performing direct entry EXEC_VMALLOC CR0: 0000000080050033 # [ 52.453812] CR2: ffffbd97020d7e18 CR<6>[ 53.709776] lkdtm: attempting ok execution at ffffffff9657c2d0 3: 00000001053ca000 CR4: 00000000003506e0 # EXEC_STACK: saw 'ca<6>[ 53.722819] lkdtm: attempting bad execution at ffffbd97003d9000 <2>[ 53.735975] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 53.744634] BUG: unable to handle page fault for address: ffffbd97003d9000 <1>[ 53.752606] #PF: supervisor instruction fetch in kernel mode <1>[ 53.759222] #PF: error_code(0x0011) - permissions violation <6>[ 53.765742] PGD 100000067 P4D 100000067 PUD 100248067 PMD 1009ff067 PTE 8000000103483063 <4>[ 53.775096] Oops: 0011 [#8] SMP PTI <4>[ 53.779289] CPU: 0 PID: 1683 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 53.788235] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.795148] RIP: 0010:0xffffbd97003d9000 [ 53.799828] Code: Unable to access opcode bytes at RIP 0xffffbd97003d8fd6. <4>[ 53.813923] RSP: 0018:ffffbd97021efe38 EFLAGS: 00010246 <4>[ 53.820053] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.828321] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50 <4>[ 53.836587] RBP: ffffbd97003d9000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.844851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 53.853117] R13: ffffbd97021eff10 R14: ffffbd97021eff10 R15: ffff9d5043483000 <4>[ 53.861383] FS: 00007ff1084ef580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 <4>[ 53.870716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.877428] CR2: ffffbd97003d8fd6 CR3: 0000000106496000 CR4: 00000000003506f0 <4>[ 53.885691] Call Trace: <4>[ 53.888732] ? __die_body.cold+0x1a/0x1f <4>[ 53.893414] ? no_context+0x177/0x380 <4>[ 53.897804] ? exc_page_fault+0xd7/0x170 <4>[ 53.902482] ? asm_exc_page_fault+0x1e/0x30 <4>[ 53.907460] ? execute_location+0x48/0x56 <4>[ 53.912237] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 53.917203] ? direct_entry.cold+0x2c/0x38 <4>[ 53.922077] ? full_proxy_write+0x56/0x80 <4>[ 53.926854] ? vfs_write+0xea/0x3b0 <4>[ 53.931047] ? ksys_write+0x68/0xf0 <4>[ 53.935242] ? do_syscall_64+0x33/0x40 <4>[ 53.939723] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ts: lkdtm: EXEC_KMALLOC.sh # Killed # [ 52.777469] lkdtm: Pe<4>[ 53.945859] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 53.992125] CR2: ffffbd97003d9000 <4>[ 53.996124] ---[ end trace f8800554775ed3da ]--- <4>[ 54.001577] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.006254] 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>[ 54.027527] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 54.033660] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.041926] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 54.050192] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.058458] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.066724] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 54.074989] FS: 00007ff1084ef580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 rforming direct entry EXEC_KMALLOC # [ 52.785181] lkdtm: atte<4>[ 54.084325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.097247] CR2: ffffbd97003d8fd6 CR3: 0000000106496000 CR4: 00000000003506f0 mpting ok execution at ffffffff9657c2d0 # [ 52.798233] lkdtm: attempting bad execution at ffff9d5043f1a780 # [ 52.811463] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.826208] BUG: unable to handle page fault for address: ffff9d5043f1a780 # [ 52.834183] #PF: supervisor instruction fetch in kernel mode # [ 52.840797] #PF: error_code(0x0011) - permissions violation # [ 52.847313] PGD 23e01067 P4D 23e01067 PUD 10087d063 PMD 105926063 PTE 8000000103f1a063 # [ 52.856470] Oops: 0011 [#7] SMP PTI # [ 52.860662] CPU: 3 PID: 1646 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 52.869607] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.876520] RIP: 0010:0xffff9d5043f1a780 # [ 52.881198] Code: ad de 40 6b 94 45 50 9d 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 eb f2 af 95 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 # [ 52.902475] RSP: 0018:ffffbd9702167e38 EFLAGS: 00010246 # [ 52.908607] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.916870] RDX: 0000000000000000 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 # [ 52.925135] RBP: ffff9d5043f1a780 R08: 0000000000000000 R09: 0000000000000000 # [ 52.933402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 52.941668] R13: ffffbd9702167f10 R14: ffffbd9702167f10 R15: ffff9d5046d18000 # [ 52.949937] FS: 00007fc339a8b580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ 52.959271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.965984] CR2: ffff9d5043f1a780 CR3: 0000000104330000 CR4: 00000000003506e0 # [ 52.974248] Call Trace: # [ 52.977286] ? __die_body.cold+0x1a/0x1f # [ 52.981966] ? no_context+0x177/0x380 # [ 52.986350] ? exc_page_fault+0xd7/0x170 # [ 52.991021] ? asm_exc_page_fault+0x1e/0x30 # [ 52.995993] ? execute_location+0x48/0x56 # [ 53.000759] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 53.005724] ? direct_entry.cold+0x2c/0x38 # [ 53.010595] ? full_proxy_write+0x56/0x80 # [ 53.015369] ? vfs_write+0xea/0x3b0 # [ 53.019559] ? ksys_write+0x68/0xf0 # [ 53.023753] ? do_syscall_64+0x33/0x40 # [ 53.028233] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.034365] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 53.074459] CR2: ffff9d5043f1a780 # [ 53.078454] ---[ end trace f8800554775ed3d9 ]--- # [<6>[ 54.375000] lkdtm: Performing direct entry EXEC_RODATA 53.083905] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.088578] Cod<6>[ 54.385062] lkdtm: attempting ok execution at ffffffff9657c2d0 e: 89 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea f<6>[ 54.398139] lkdtm: attempting bad execution at ffffffff976f8940 f ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00<2>[ 54.411299] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.426167] BUG: unable to handle page fault for address: ffffffff976f8940 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0<1>[ 54.434144] #PF: supervisor instruction fetch in kernel mode <1>[ 54.446970] #PF: error_code(0x0011) - permissions violation <6>[ 54.453488] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000021c001e1 <4>[ 54.461287] Oops: 0011 [#9] SMP PTI b 03 # [ 53.109854] RSP: 0018:ffffbd97011c7e60 EFLAGS: 000102<4>[ 54.465481] CPU: 1 PID: 1720 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 54.480630] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.487546] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 54.493583] Code: ff ff cf 0b c6 96 ff ff ff ff 12 2f b8 97 ff ff ff ff 15 f3 c5 96 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 54.514858] RSP: 0018:ffffbd9702277e48 EFLAGS: 00010246 <4>[ 54.520991] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 54.529256] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 <4>[ 54.537521] RBP: ffffffff976f8940 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.545789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 54.554054] R13: ffffbd9702277f10 R14: ffffbd9702277f10 R15: ffff9d50459e4000 <4>[ 54.562320] FS: 00007f06d41ab580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 54.571655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.578367] CR2: ffffffff976f8940 CR3: 0000000105970000 CR4: 00000000003506e0 <4>[ 54.586633] Call Trace: <4>[ 54.589673] ? __die_body.cold+0x1a/0x1f <4>[ 54.594356] ? no_context+0x177/0x380 <4>[ 54.598746] ? exc_page_fault+0xd7/0x170 <4>[ 54.603425] ? asm_exc_page_fault+0x1e/0x30 <4>[ 54.608405] ? execute_location+0x48/0x56 <4>[ 54.613177] ? direct_entry.cold+0x2c/0x38 <4>[ 54.618052] ? full_proxy_write+0x56/0x80 <4>[ 54.622828] ? vfs_write+0xea/0x3b0 <4>[ 54.627021] ? ksys_write+0x68/0xf0 86 # [ 53.115986] RAX: ffffffff9657bf00 RBX: 0000000000000001<4>[ 54.631216] ? do_syscall_64+0x33/0x40 <4>[ 54.641891] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 RCX: 0000000000000000 # [ 53.124253] RDX: 0000000000000000 R<4>[ 54.648031] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 54.694276] CR2: ffffffff976f8940 <4>[ 54.698274] ---[ end trace f8800554775ed3db ]--- <4>[ 54.703718] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.708394] 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>[ 54.729662] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 54.735785] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.744053] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 54.752319] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.760585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.768852] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 54.777120] FS: 00007f06d41ab580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 54.786453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.793162] CR2: ffffffff976f8940 CR3: 0000000105970000 CR4: 00000000003506e0 <3>[ 54.801427] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 54.811637] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat <4>[ 54.820385] INFO: lockdep is turned off. <4>[ 54.825054] irq event stamp: 0 SI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 53.132518] RBP<4>[ 54.828759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.842277] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.851709] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.861142] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.868440] CPU: 1 PID: 1720 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 54.877385] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.884289] Call Trace: <4>[ 54.887324] dump_stack+0x77/0x9b <4>[ 54.891325] ___might_sleep.cold+0xa6/0xb6 <4>[ 54.896200] exit_signals+0x1c/0x300 <4>[ 54.900488] do_exit+0xc2/0xab0 <4>[ 54.904284] ? ksys_write+0x68/0xf0 <4>[ 54.908476] make_task_dead+0x2f/0x30 <4>[ 54.912863] rewind_stack_and_make_dead+0x17/0x20 <4>[ 54.918412] RIP: 0033:0x7f06d40c1473 <4>[ 54.922702] 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>[ 54.943974] RSP: 002b:00007ffebd8c6318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.952729] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f06d40c1473 <4>[ 54.960994] RDX: 000000000000000c RSI: 00007f06d3fb5000 RDI: 0000000000000001 <4>[ 54.969260] RBP: 00007f06d3fb5000 R08: 00007f06d3fb4010 R09: 0000000000000000 <4>[ 54.977526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.985790] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 53.140784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.149050] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 53.157316] FS: 00007fc339a8b580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ 53.166651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.173363] CR2: ffff9d5043f1a780 CR3: 0000000104330000 CR4: 00000000003506e0 # [ 53.181631] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.191838] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1646, name: cat # [ 53.200585] INFO: lockdep is turned off. # [ 53.205256] irq event stamp: 0 # [ 53.208960] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.216259] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.225691] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.235122] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.242420] CPU: 3 PID: 1646 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 53.251355] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.258258] Call Trace: # [ 53.261288] dump_stack+0x77/0x9b # [ 53.265288] ___might_sleep.cold+0xa6/0xb6 # [ 53.270164] exit_signals+0x1c/0x300 # [ 53.274454] do_exit+0xc2/0xab0 # [ 53.278256] ? ksys_write+0x68/0xf0 # [ 53.282448] make_task_dead+0x2f/0x30 # [ 53.286833] rewind_stack_and_make_dead+0x17/0x20 # [ 53.292373] RIP: 0033:0x7fc3399a1473 # [ 53.296659] 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 # [ 53.317935] RSP: 002b:00007fffffe9b718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.326682] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc3399a1473 # [ 53.334946] RDX: 000000000000000d RSI: 00007fc339895000 RDI: 0000000000000001 # [ 53.343211] RBP: 00007fc339895000 R08: 00007fc339894010 R09: 0000000000000000 # [ 53.351476] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.359736] 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 # [ 53.701389] lkdtm: Performing direct entry EXEC_VMALLOC # [ 53.709776] lkdtm: attempting ok execution at ffffffff9657c2d0 # [ 53.722819] lkdtm: attempting bad execution at ffffbd97003d9000 # [ 53.735975] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.744634] BUG: unable to handle page fault for address: ffffbd97003d9000 # [ 53.752606] #PF: supervisor instruction fetch in kernel mode # [ 53.759222] #PF: error_code(0x0011) - permissions violation # [ 53.765742] PGD 100000067 P4D 100000067 PUD 100248067 PMD 1009ff067 <6>[ 55.289774] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 55.298734] lkdtm: attempting ok execution at ffffffff9657c2d0 <6>[ 55.305622] lkdtm: attempting bad execution at 00007f6248491000 PTE 8000000103483063 # [ 53.775096] Oops: 0011 [#8] SMP PTI <2>[ 55.312592] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 55.325467] BUG: unable to handle page fault for address: 00007f6248491000 <1>[ 55.333444] #PF: supervisor instruction fetch in kernel mode # [ 53.779289] CPU: 0 PID: 1683 Comm: cat Tainted: G D W <1>[ 55.340060] #PF: error_code(0x0011) - permissions violation 5.10.206-cip41 #1 # [ 53.788235] Hardware name: Googl<6>[ 55.352786] PGD 800000010383d067 P4D 800000010383d067 PUD 105b65067 PMD 105a18067 PTE 10ac44067 <4>[ 55.369023] Oops: 0011 [#10] SMP PTI <4>[ 55.373313] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.206-cip41 #1 e Coral/Coral, BIOS 09/29/2020 # [ 53.795148] RIP: 0010:0xff<4>[ 55.382257] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.395376] RIP: 0010:0x7f6248491000 <4>[ 55.399663] Code: Unable to access opcode bytes at RIP 0x7f6248490fd6. <4>[ 55.407248] RSP: 0018:ffffbd97022ffe50 EFLAGS: 00010246 <4>[ 55.413383] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 55.421649] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 <4>[ 55.429913] RBP: 00007f6248491000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.438176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 55.446438] R13: ffffbd97022fff10 R14: ffffbd97022fff10 R15: ffff9d50446ed000 <4>[ 55.454705] FS: 00007f6248462580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 55.464039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.470750] CR2: 00007f6248491000 CR3: 0000000105adc000 CR4: 00000000003506e0 <4>[ 55.479012] Call Trace: <4>[ 55.482051] ? __die_body.cold+0x1a/0x1f <4>[ 55.486734] ? no_context+0x177/0x380 <4>[ 55.491119] ? exc_page_fault+0x53/0x170 <4>[ 55.495797] ? asm_exc_page_fault+0x1e/0x30 <4>[ 55.500774] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae <4>[ 55.506420] ? direct_entry.cold+0x2c/0x38 <4>[ 55.511295] ? full_proxy_write+0x56/0x80 <4>[ 55.516073] ? vfs_write+0xea/0x3b0 <4>[ 55.520265] ? ksys_write+0x68/0xf0 <4>[ 55.524458] ? do_syscall_64+0x33/0x40 <4>[ 55.528938] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ffbd97003d9000 # [ 53.799828] Code: Unable to access opcode b<4>[ 55.535074] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 55.581344] CR2: 00007f6248491000 <4>[ 55.585341] ---[ end trace f8800554775ed3dc ]--- <4>[ 55.590794] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.595472] 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>[ 55.616750] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 55.622882] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.631141] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 55.639404] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.647668] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.655931] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 55.664193] FS: 00007f6248462580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 55.673526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.680234] CR2: 00007f6248491000 CR3: 0000000105adc000 CR4: 00000000003506e0 ytes at RIP 0xffffbd97003d8fd6. # [ 53.813923] RSP: 0018:ffffbd97021efe38 EFLAGS: 00010246 # [ 53.820053] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.828321] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50 # [ 53.836587] RBP: ffffbd97003d9000 R08: 0000000000000000 R09: 0000000000000000 # [ 53.844851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.853117] R13: ffffbd97021eff10 R14: ffffbd97021eff10 R15: ffff9d5043483000 # [ 53.861383] FS: 00007ff1084ef580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 # [ 53.870716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.877428] CR2: ffffbd97003d8fd6 CR3: 0000000106496000 CR4: 00000000003506f0 # [ 53.885691] Call Trace: # [ 53.888732] ? __die_body.cold+0x1a/0x1f # [ 53.893414] ? no_context+0x177/0x380 # [ 53.897804] ? exc_page_fault+0xd7/0x170 # [ 53.902482] ? asm_exc_page_fault+0x1e/0x30 # [ 53.907460] ? execute_location+0x48/0x56 # [ 53.912237] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 53.917203] ? direct_entry.cold+0x2c/0x38 # [ 53.922077] ? full_proxy_write+0x56/0x80 # [ 53.926854] ? vfs_write+0xea/0x3b0 # [ 53.931047] ? ksys_write+0x68/0xf0 # [ 53.935242] ? do_syscall_64+0x33/0x40 # [ 53.939723] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.945859] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 53.992125] CR2: ffffbd97003d9000 # [ 53.996124] ---[ end trace f8800554775ed3da ]--- # [ 54.001577] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.006254] 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 # [ 54.027527] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 54.033660] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.041926] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 54.050192] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 54.058458] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.066724] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 54.074989] FS: 00007ff1084ef580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 # [ 54.084325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.097247] CR2: ffffbd97003d8fd6 CR3: 0000000106496000 CR4: 00000000003506f0 # EXEC_VMALLOC<6>[ 55.966569] lkdtm: Performing direct entry EXEC_NULL <6>[ 55.973966] lkdtm: attempting ok execution at ffffffff9657c2d0 <6>[ 55.980804] lkdtm: attempting bad execution at 0000000000000000 <1>[ 55.987751] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 55.995827] #PF: supervisor instruction fetch in kernel mode <1>[ 56.002443] #PF: error_code(0x0010) - not-present page <6>[ 56.008476] PGD 0 P4D 0 <4>[ 56.011609] Oops: 0010 [#11] SMP PTI <4>[ 56.015899] CPU: 1 PID: 1794 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 56.024844] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.031756] RIP: 0010:0x0 <4>[ 56.034980] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 56.042953] RSP: 0018:ffffbd97023bfe48 EFLAGS: 00010246 <4>[ 56.049086] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 56.057349] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 <4>[ 56.065614] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.073879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 56.082142] R13: ffffbd97023bff10 R14: ffffbd97023bff10 R15: ffff9d5043e2b000 <4>[ 56.090408] FS: 00007f04b8ffb580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 56.099742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.106454] CR2: ffffffffffffffd6 CR3: 0000000105a72000 CR4: 00000000003506e0 <4>[ 56.114719] Call Trace: <4>[ 56.117759] ? __die_body.cold+0x1a/0x1f <4>[ 56.122440] ? no_context+0x177/0x380 <4>[ 56.126828] ? exc_page_fault+0x53/0x170 <4>[ 56.131507] ? asm_exc_page_fault+0x1e/0x30 <4>[ 56.136487] execute_location+0x48/0x56 <4>[ 56.141068] direct_entry.cold+0x2c/0x38 <4>[ 56.145748] full_proxy_write+0x56/0x80 <4>[ 56.150331] vfs_write+0xea/0x3b0 <4>[ 56.154327] ksys_write+0x68/0xf0 <4>[ 56.158326] do_syscall_64+0x33/0x40 <4>[ 56.162612] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 56.168551] RIP: 0033:0x7f04b8f11473 <4>[ 56.172839] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 56.194112] RSP: 002b:00007ffc73884b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.202860] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04b8f11473 <4>[ 56.211118] RDX: 000000000000000a RSI: 00007f04b8e05000 RDI: 0000000000000001 <4>[ 56.219378] RBP: 00007f04b8e05000 R08: 00007f04b8e04010 R09: 0000000000000000 <4>[ 56.227639] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.235900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh<4>[ 56.244172] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 56.290401] CR2: 0000000000000000 <4>[ 56.294396] ---[ end trace f8800554775ed3dd ]--- <4>[ 56.299848] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 56.304508] 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>[ 56.325771] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 56.331899] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.340156] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 56.348416] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 56.356682] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 56.364945] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 56.373211] FS: 00007f04b8ffb580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 56.382542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.389255] CR2: ffffffffffffffd6 CR3: 0000000105a72000 CR4: 00000000003506e0 <3>[ 56.397522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 56.407730] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat <4>[ 56.416477] INFO: lockdep is turned off. <4>[ 56.421149] irq event stamp: 0 <4>[ 56.424851] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.432151] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.441583] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.451014] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.458311] CPU: 1 PID: 1794 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 56.467256] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.474160] Call Trace: <4>[ 56.477191] dump_stack+0x77/0x9b <4>[ 56.481191] ___might_sleep.cold+0xa6/0xb6 <4>[ 56.486064] exit_signals+0x1c/0x300 <4>[ 56.490353] do_exit+0xc2/0xab0 <4>[ 56.494158] ? ksys_write+0x68/0xf0 <4>[ 56.498351] make_task_dead+0x2f/0x30 <4>[ 56.502738] rewind_stack_and_make_dead+0x17/0x20 <4>[ 56.508285] RIP: 0033:0x7f04b8f11473 <4>[ 56.512569] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 56.533842] RSP: 002b:00007ffc73884b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.542595] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04b8f11473 <4>[ 56.550858] RDX: 000000000000000a RSI: 00007f04b8e05000 RDI: 0000000000000001 <4>[ 56.559122] RBP: 00007f04b8e05000 R08: 00007f04b8e04010 R09: 0000000000000000 <4>[ 56.567384] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.575648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 54.375000] lkdtm: Performing direct entry EXEC_RODATA # [ 54.385062] lkdtm: attempting ok execution at ffffffff9657c2d0 # [ 54.398139] lkdtm: attempting bad execution at ffffffff976f8940 # [ 54.411299] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.426167] BUG: unable to handle page fault for address: ffffffff976f8940 # [ 54.434144] #PF: supervisor instruction fetch in kernel mode # [ 54.446970] #PF: error_code(0x0011) - permissions violation # [ 54.453488] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000021c001e1 # [ 54.461287] Oops: 0011 [#9] SMP PTI # [ 54.465481] CPU: 1 PID: 1720 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 54.480630] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.487546] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 54.493583] Code: ff ff cf 0b c6 96 ff ff ff ff 12 2f b8 97 ff ff ff ff 15 f3 c5 96 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 54.514858] RSP: 0018:ffffbd9702277e48 EFLAGS: 00010246 # [ 54.520991] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 54.529256] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 # [ 54.537521] RBP: ffffffff976f8940 R08: 0000000000000000 R09: 0000000000000000 # [ 54.545789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 54.554054] R13: ffffbd9702277f10 R14: ffffbd9702277f10 R15: ffff9d50459e4000 # [ 54.562320] FS: 00007f06d41ab580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 54.571655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.578367] CR2: ffffffff976f8940 CR3: 0000000105970000 CR4: 00000000003506e0 # [ 54.586633] Call Trace: # [ 54.589673] ? __die_body.cold+0x1a/0x1f # [ 54.594356] ? no_context+0x177/0x380 # [ 54.598746] ? exc_page_fault+0xd7/0x170 # [ 54.603425] ? asm_exc_page_fault+0x1e/0x30 # [ 54.608405] ? execute_location+0x48/0x56 # [ 54.613177] ? direct_entry.cold+0x2c/0x38 # [ 54.618052] ? full_proxy_write+0x56/0x80 # [ 54.622828] ? vfs_write+0xea/0x3b0 # [ 54.627021] ? ksys_write+0x68/0xf0 # [ 54.631216] ? do_syscall_64+0x33/0x40 # [ 54.641891] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.648031] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 54.694276] CR2: ffffffff976f8940 # [ 54.698274] ---[ end trace f8800554775ed3db ]--- # [ 54.703718] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.708394] 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 # [ 54.729662] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 54.735785] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.744053] <6>[ 56.901874] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 56.913697] lkdtm: attempting bad read at 00007f1d28aa2000 <1>[ 56.920172] BUG: unable to handle page fault for address: 00007f1d28aa2000 <1>[ 56.928148] #PF: supervisor read access in kernel mode <1>[ 56.934171] #PF: error_code(0x0001) - permissions violation RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b<6>[ 56.940688] PGD 800000010381e067 P4D 800000010381e067 PUD 102ac8067 PMD 10588c067 PTE 10ab93067 <4>[ 56.956919] Oops: 0001 [#12] SMP PTI 0 # [ 54.752319] RBP: ffffffff97be8e88 R08: 0000000000000001 <4>[ 56.961206] CPU: 2 PID: 1830 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 56.976337] Hardware name: Google Coral/Coral, BIOS 09/29/2020 R09: 0000000000000001 # [ 54.760585] R10: 00000000ffffe000 R1<4>[ 56.983252] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 56.995982] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 30 3c b8 97 e8 24 d8 fb ff 48 c7 c7 58 3c b8 97 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 80 3c b8 <4>[ 57.017250] RSP: 0018:ffffbd9702447e48 EFLAGS: 00010246 <4>[ 57.023384] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 57.031649] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffffffff97b83c58 <4>[ 57.039915] RBP: 00007f1d28aa2000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.048180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 57.056445] R13: ffffbd9702447f10 R14: ffffbd9702447f10 R15: ffff9d50453e9000 <4>[ 57.064713] FS: 00007f1d28a73580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 57.074047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.080757] CR2: 00007f1d28aa2000 CR3: 0000000102956000 CR4: 00000000003506e0 <4>[ 57.089022] Call Trace: <4>[ 57.092052] ? __die_body.cold+0x1a/0x1f <4>[ 57.096731] ? no_context+0x177/0x380 <4>[ 57.101120] ? exc_page_fault+0x53/0x170 <4>[ 57.105796] ? asm_exc_page_fault+0x1e/0x30 <4>[ 57.110767] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 57.116610] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 57.122450] direct_entry.cold+0x2c/0x38 <4>[ 57.127129] full_proxy_write+0x56/0x80 <4>[ 57.131711] vfs_write+0xea/0x3b0 <4>[ 57.135708] ksys_write+0x68/0xf0 <4>[ 57.139708] do_syscall_64+0x33/0x40 <4>[ 57.143997] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 57.149937] RIP: 0033:0x7f1d28989473 <4>[ 57.154225] 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>[ 57.175494] RSP: 002b:00007fff5f47e8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.184243] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1d28989473 <4>[ 57.192503] RDX: 0000000000000011 RSI: 00007f1d2887d000 RDI: 0000000000000001 <4>[ 57.200767] RBP: 00007f1d2887d000 R08: 00007f1d2887c010 R09: 0000000000000000 <4>[ 57.209032] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.217296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1: 3fffffffffffffff R12: 0000000000000004 # [ 54.768852] R13:<4>[ 57.225572] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 57.271861] CR2: 00007f1d28aa2000 <4>[ 57.275856] ---[ end trace f8800554775ed3de ]--- <4>[ 57.281304] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.285976] 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>[ 57.307244] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 57.313374] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.321641] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 57.329907] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.338174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.346440] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 57.354707] FS: 00007f1d28a73580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 57.364043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.370756] CR2: 00007f1d28aa2000 CR3: 0000000102956000 CR4: 00000000003506e0 ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 54.777120] FS: 00007f06d41ab580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 54.786453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.793162] CR2: ffffffff976f8940 CR3: 0000000105970000 CR4: 00000000003506e0 # [ 54.801427] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.811637] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat # [ 54.820385] INFO: lockdep is turned off. # [ 54.825054] irq event stamp: 0 # [ 54.828759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.842277] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.851709] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.861142] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.868440] CPU: 1 PID: 1720 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 54.877385] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.884289] Call Trace: # [ 54.887324] dump_stack+0x77/0x9b # [ 54.891325] ___might_sleep.cold+0xa6/0xb6 # [ 54.896200] exit_signals+0x1c/0x300 # [ 54.900488] do_exit+0xc2/0xab0 # [ 54.904284] ? ksys_write+0x68/0xf0 # [ 54.908476] make_task_dead+0x2f/0x30 # [ 54.912863] rewind_stack_and_make_dead+0x17/0x20 # [ 54.918412] RIP: 0033:0x7f06d40c1473 # [ 54.922702] 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 # [ 54.943974] RSP: 002b:00007ffebd8c6318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.952729] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f06d40c1473 # [ 54.960994] RDX: 000000000000000c RSI: 00007f06d3fb5000 RDI: 0000000000000001 # [ 54.969260] RBP: 00007f06d3fb5000 R08: 00007f06d3fb4010 R09: 0000000000000000 # [ 54.977526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.985790] 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 # [ 55.289774] lkdtm: Performing direct entry EXEC_USERSPACE # [ 55.298734] lkdtm: attempting ok execution at ffffffff9657c2d0 # [ 55.305622] lkdtm: attempting bad execution at 00007f6248491000 # [ 55.312592] unable to execute userspace code (SMEP?) (uid: 0) # [ 55.325467] BUG: unable to handle page fault for address: 00007f6248491000 # [ 55.333444] #PF: supervisor instruction fetch in kernel mode # [ 55.340060] #PF: error_code(0x0011) - permissions violation # [ 55.352786] PGD 800000010383d067 P4D 800000010383d067 PUD 105b65067 PMD 105a18067 PTE 10ac44067 # [ 55.369023] Oops: 0011 [#10] SMP PTI # [ 55.373313] CPU: 2 PID: 1757 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 55.382257] Hardwar<6>[ 57.673418] lkdtm: Performing direct entry ACCESS_NULL <6>[ 57.683264] lkdtm: attempting bad read at 0000000000000000 <1>[ 57.689743] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 57.697816] #PF: supervisor read access in kernel mode <1>[ 57.703845] #PF: error_code(0x0000) - not-present page [ 57.709876] PGD 0 P4D 0 <4>[ 57.719114] Oops: 0000 [#13] SMP PTI IP: 0010:0x7f6248491000 # [ 55.399663] Code: Unable to access<4>[ 57.723398] CPU: 2 PID: 1866 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 57.738528] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.745432] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 57.750979] 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 30 3c b8 97 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 58 3c b8 97 48 01 <4>[ 57.772241] RSP: 0018:ffffbd97024bfe58 EFLAGS: 00010246 <4>[ 57.778367] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 57.786622] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 <4>[ 57.794883] RBP: ffffffff97b82d21 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.803144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 57.811399] R13: ffffbd97024bff10 R14: ffffbd97024bff10 R15: ffff9d50446ec000 <4>[ 57.819663] FS: 00007fc9655f8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 57.828984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.835693] CR2: 0000000000000000 CR3: 0000000106d4e000 CR4: 00000000003506e0 <4>[ 57.843950] Call Trace: <4>[ 57.846982] ? __die_body.cold+0x1a/0x1f <4>[ 57.851658] ? no_context+0x177/0x380 <4>[ 57.856039] ? exc_page_fault+0x53/0x170 <4>[ 57.860712] ? asm_exc_page_fault+0x1e/0x30 <4>[ 57.865675] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 57.870543] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 57.875404] direct_entry.cold+0x2c/0x38 <4>[ 57.880076] full_proxy_write+0x56/0x80 <4>[ 57.884650] vfs_write+0xea/0x3b0 <4>[ 57.888642] ksys_write+0x68/0xf0 <4>[ 57.892634] do_syscall_64+0x33/0x40 <4>[ 57.896911] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 57.902835] RIP: 0033:0x7fc96550e473 <4>[ 57.907113] 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>[ 57.928372] RSP: 002b:00007fff4b640358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.937114] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc96550e473 <4>[ 57.945371] RDX: 000000000000000c RSI: 00007fc965402000 RDI: 0000000000000001 <4>[ 57.953630] RBP: 00007fc965402000 R08: 00007fc965401010 R09: 0000000000000000 <4>[ 57.961885] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.970133] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 opcode bytes at RIP 0x7f6248490fd6. # [ 55.407248] RSP: 0018<4>[ 57.978390] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 58.024619] CR2: 0000000000000000 <4>[ 58.028616] ---[ end trace f8800554775ed3df ]--- <4>[ 58.034067] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.038730] 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>[ 58.059980] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 58.066097] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.074351] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 58.082608] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.090872] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.099131] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 58.107393] FS: 00007fc9655f8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 58.116721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.123429] CR2: 0000000000000000 CR3: 0000000106d4e000 CR4: 00000000003506e0 <3>[ 58.131692] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 58.141896] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1866, name: cat <4>[ 58.150630] INFO: lockdep is turned off. <4>[ 58.155300] irq event stamp: 0 <4>[ 58.158991] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.166276] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.175697] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.185128] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.192424] CPU: 2 PID: 1866 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 58.201360] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.208265] Call Trace: <4>[ 58.211294] dump_stack+0x77/0x9b <4>[ 58.215292] ___might_sleep.cold+0xa6/0xb6 <4>[ 58.220164] exit_signals+0x1c/0x300 <4>[ 58.224451] do_exit+0xc2/0xab0 <4>[ 58.228254] ? ksys_write+0x68/0xf0 <4>[ 58.232446] make_task_dead+0x2f/0x30 <4>[ 58.236833] rewind_stack_and_make_dead+0x17/0x20 <4>[ 58.242378] RIP: 0033:0x7fc96550e473 <4>[ 58.246664] 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>[ 58.267926] RSP: 002b:00007fff4b640358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.276672] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc96550e473 <4>[ 58.284938] RDX: 000000000000000c RSI: 00007fc965402000 RDI: 0000000000000001 <4>[ 58.293199] RBP: 00007fc965402000 R08: 00007fc965401010 R09: 0000000000000000 <4>[ 58.301459] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.309721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 :ffffbd97022ffe50 EFLAGS: 00010246 # [ 55.413383] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 55.421649] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 # [ 55.429913] RBP: 00007f6248491000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.438176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 55.446438] R13: ffffbd97022fff10 R14: ffffbd97022fff10 R15: ffff9d50446ed000 # [ 55.454705] FS: 00007f6248462580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 55.464039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.470750] CR2: 00007f6248491000 CR3: 0000000105adc000 CR4: 00000000003506e0 # [ 55.479012] Call Trace: # [ 55.482051] ? __die_body.cold+0x1a/0x1f # [ 55.486734] ? no_context+0x177/0x380 # [ 55.491119] ? exc_page_fault+0x53/0x170 # [ 55.495797] ? asm_exc_page_fault+0x1e/0x30 # [ 55.500774] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 55.506420] ? direct_entry.cold+0x2c/0x38 # [ 55.511295] ? full_proxy_write+0x56/0x80 # [ 55.516073] ? vfs_write+0xea/0x3b0 # [ 55.520265] ? ksys_write+0x68/0xf0 # [ 55.524458] ? do_syscall_64+0x33/0x40 # [ 55.528938] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.535074] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 55.581344] CR2: 00007f6248491000 # [ 55.585341] ---[ end trace f8800554775ed3dc ]--- # [ 55.590794] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.595472] 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 # [ 55.616750] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 55.622882] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.631141] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 55.639404] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 55.647668] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.655931] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 55.664193] FS: 00007f6248462580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 55.673526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.680234] CR2: 00007f6248491000 CR3: 0000000105adc000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 55.966569] lkdtm: Performing direct entry EXEC_NULL # [ 55.973966] lkdtm: attempting ok execution at ffffffff9657c2d0 # [ 55.980804] lkdtm: attempting bad execution at 0000000000000000 # [ 55.987751] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 55.995827] #PF: supervisor instruction fetch in kernel mode # [ 56.002443] #PF: error_code(0x0010) - not-present page # [ 56.008476] PGD 0 P4D 0 # [ 56.011609] Oops: 0010 [#11] SMP PTI # [ 56.015899] CPU: 1 PID: 1794 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 56.024844] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.031756] RIP: 0010:0x0 # [ 56.034980] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 56.042953] RSP: 0018:ffffbd97023bfe48 EFLAGS: 00010246 # [ 56.049086] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.057349] RDX: 0000000000000000 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 # [ 56.065614] RBP: 00<6>[ 58.693707] lkdtm: Performing direct entry WRITE_RO <6>[ 58.702284] lkdtm: attempting bad rodata write at ffffffff976f8930 <1>[ 58.709525] BUG: unable to handle page fault for address: ffffffff976f8930 <1>[ 58.717486] #PF: supervisor write access in kernel mode <1>[ 58.723604] #PF: error_code(0x0003) - permissions violation <6>[ 58.730104] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000021c001e1 <4>[ 58.737878] Oops: 0003 [#14] SMP PTI <4>[ 58.742155] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 58.751080] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.757986] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 58.763227] Code: 00 48 c7 c7 10 3b b8 97 48 c7 c6 30 89 6f 97 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 40 3b b8 97 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>[ 58.784461] RSP: 0018:ffffbd9702537e60 EFLAGS: 00010202 <4>[ 58.790572] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 58.798824] RDX: 00000000abcd1234 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83b40 <4>[ 58.807080] RBP: ffffffff97b82d2d R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.815332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 58.823577] R13: ffffbd9702537f10 R14: ffffbd9702537f10 R15: ffff9d504325c000 <4>[ 58.831824] FS: 00007fa99c674580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 58.841138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.847838] CR2: ffffffff976f8930 CR3: 000000010431c000 CR4: 00000000003506e0 <4>[ 58.856097] Call Trace: <4>[ 58.859132] ? __die_body.cold+0x1a/0x1f <4>[ 58.863811] ? no_context+0x177/0x380 <4>[ 58.868193] ? exc_page_fault+0xd7/0x170 <4>[ 58.872863] ? asm_exc_page_fault+0x1e/0x30 <4>[ 58.877826] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 58.882392] direct_entry.cold+0x2c/0x38 <4>[ 58.887071] full_proxy_write+0x56/0x80 <4>[ 58.891654] vfs_write+0xea/0x3b0 <4>[ 58.895651] ksys_write+0x68/0xf0 <4>[ 58.899650] do_syscall_64+0x33/0x40 <4>[ 58.903935] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 58.909873] RIP: 0033:0x7fa99c58a473 <4>[ 58.914152] 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>[ 58.935371] RSP: 002b:00007ffc21d10e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.944109] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa99c58a473 <4>[ 58.952368] RDX: 0000000000000009 RSI: 00007fa99c47e000 RDI: 0000000000000001 <4>[ 58.960623] RBP: 00007fa99c47e000 R08: 00007fa99c47d010 R09: 0000000000000000 <4>[ 58.968873] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.977122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ <4>[ 58.985383] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 59.031608] CR2: ffffffff976f8930 <4>[ 59.035595] ---[ end trace f8800554775ed3e0 ]--- <4>[ 59.041045] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.045711] 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>[ 59.066956] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 59.073085] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.081340] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 59.089596] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.097856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.106107] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 59.114358] FS: 00007fa99c674580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 59.123682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.130393] CR2: ffffffff976f8930 CR3: 000000010431c000 CR4: 00000000003506e0 <3>[ 59.138657] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 59.148857] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1902, name: cat <4>[ 59.157605] INFO: lockdep is turned off. <4>[ 59.162275] irq event stamp: 0 <4>[ 59.165973] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.173263] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.182673] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.192094] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.199381] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 59.208311] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.215209] Call Trace: <4>[ 59.218241] dump_stack+0x77/0x9b <4>[ 59.222233] ___might_sleep.cold+0xa6/0xb6 <4>[ 59.227101] exit_signals+0x1c/0x300 <4>[ 59.231386] do_exit+0xc2/0xab0 <4>[ 59.235190] ? ksys_write+0x68/0xf0 <4>[ 59.239383] make_task_dead+0x2f/0x30 <4>[ 59.243766] rewind_stack_and_make_dead+0x17/0x20 <4>[ 59.249309] RIP: 0033:0x7fa99c58a473 <4>[ 59.253587] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 56.073879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00<4>[ 59.274834] RSP: 002b:00007ffc21d10e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.289776] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa99c58a473 <4>[ 59.298030] RDX: 0000000000000009 RSI: 00007fa99c47e000 RDI: 0000000000000001 <4>[ 59.306277] RBP: 00007fa99c47e000 R08: 00007fa99c47d010 R09: 0000000000000000 <4>[ 59.314536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.322784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000a # [ 56.082142] R13: ffffbd97023bff10 R14: ffffbd97023bff10 R15: ffff9d5043e2b000 # [ 56.090408] FS: 00007f04b8ffb580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 56.099742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.106454] CR2: ffffffffffffffd6 CR3: 0000000105a72000 CR4: 00000000003506e0 # [ 56.114719] Call Trace: # [ 56.117759] ? __die_body.cold+0x1a/0x1f # [ 56.122440] ? no_context+0x177/0x380 # [ 56.126828] ? exc_page_fault+0x53/0x170 # [ 56.131507] ? asm_exc_page_fault+0x1e/0x30 # [ 56.136487] execute_location+0x48/0x56 # [ 56.141068] direct_entry.cold+0x2c/0x38 # [ 56.145748] full_proxy_write+0x56/0x80 # [ 56.150331] vfs_write+0xea/0x3b0 # [ 56.154327] ksys_write+0x68/0xf0 # [ 56.158326] do_syscall_64+0x33/0x40 # [ 56.162612] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.168551] RIP: 0033:0x7f04b8f11473 # [ 56.172839] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.194112] RSP: 002b:00007ffc73884b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.202860] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04b8f11473 # [ 56.211118] RDX: 000000000000000a RSI: 00007f04b8e05000 RDI: 0000000000000001 # [ 56.219378] RBP: 00007f04b8e05000 R08: 00007f04b8e04010 R09: 0000000000000000 # [ 56.227639] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.235900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.244172] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 56.290401] CR2: 0000000000000000 # [ 56.294396] ---[ end trace f8800554775ed3dd ]--- # [ 56.299848] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.304508] 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 # [ 56.325771] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 56.331899] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.340156] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 56.348416] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 56.356682] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.364945] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 56.373211] FS: 00007f04b8ffb580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 56.382542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.389255] CR2: ffffffffffffffd6 CR3: 0000000105a72000 CR4: 00000000003506e0 # [ 56.397522] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.407730] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat # [ 56.416477] INFO: lockdep is turned off. # [ 56.421149] irq event stamp: 0 # [ 56.424851] hardi<6>[ 59.661586] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 59.672914] lkdtm: attempting bad ro_after_init write at ffffffff97c0b350 <1>[ 59.680835] BUG: unable to handle page fault for address: ffffffff97c0b350 <1>[ 59.688801] #PF: supervisor write access in kernel mode <1>[ 59.694922] #PF: error_code(0x0003) - permissions violation rqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.432<6>[ 59.701426] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 104ed3163 PTE 800000002220b061 <4>[ 59.716667] Oops: 0003 [#15] SMP PTI 151] hardirqs last disabled at (0): [] copy_pr<4>[ 59.720944] CPU: 1 PID: 1938 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 59.736092] Hardware name: Google Coral/Coral, BIOS 09/29/2020 [ 59.743006] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 59.755453] Code: 3b b8 97 e9 fe d9 fb ff 48 c7 c7 98 3b b8 97 e8 f2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 c7 40 3b b8 97 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>[ 59.776726] RSP: 0018:ffffbd97025bfe60 EFLAGS: 00010202 <4>[ 59.782857] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 59.791109] RDX: 00000000abcd1234 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83b40 <4>[ 59.799359] RBP: ffffffff97b82d36 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.807611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 59.815851] R13: ffffbd97025bff10 R14: ffffbd97025bff10 R15: ffff9d50444b4000 <4>[ 59.824099] FS: 00007f7a30aa7580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 59.833410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.840111] CR2: ffffffff97c0b350 CR3: 00000001053be000 CR4: 00000000003506e0 <4>[ 59.848362] Call Trace: <4>[ 59.851396] ? __die_body.cold+0x1a/0x1f <4>[ 59.856069] ? no_context+0x177/0x380 <4>[ 59.860451] ? exc_page_fault+0xd7/0x170 <4>[ 59.865119] ? asm_exc_page_fault+0x1e/0x30 <4>[ 59.870088] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 59.875726] direct_entry.cold+0x2c/0x38 <4>[ 59.880402] full_proxy_write+0x56/0x80 <4>[ 59.884985] vfs_write+0xea/0x3b0 <4>[ 59.888976] ksys_write+0x68/0xf0 <4>[ 59.892966] do_syscall_64+0x33/0x40 <4>[ 59.897246] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 59.903173] RIP: 0033:0x7f7a309bd473 <4>[ 59.907454] 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>[ 59.928704] RSP: 002b:00007ffeef7c47b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.937443] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7a309bd473 <4>[ 59.945694] RDX: 0000000000000014 RSI: 00007f7a308b1000 RDI: 0000000000000001 <4>[ 59.953949] RBP: 00007f7a308b1000 R08: 00007f7a308b0010 R09: 0000000000000000 <4>[ 59.962194] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.970459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0): [] copy_process+0x65c/0x20e0 # [ 56.451<4>[ 59.978734] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 60.025010] CR2: ffffffff97c0b350 <4>[ 60.028993] ---[ end trace f8800554775ed3e1 ]--- <4>[ 60.034439] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.039110] 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>[ 60.060362] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 60.066467] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.074709] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 60.082950] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.091196] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.099441] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 60.107688] FS: 00007f7a30aa7580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 60.117000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.123700] CR2: ffffffff97c0b350 CR3: 00000001053be000 CR4: 00000000003506e0 014] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.458311] CPU: 1 PID: 1794 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 56.467256] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.474160] Call Trace: # [ 56.477191] dump_stack+0x77/0x9b # [ 56.481191] ___might_sleep.cold+0xa6/0xb6 # [ 56.486064] exit_signals+0x1c/0x300 # [ 56.490353] do_exit+0xc2/0xab0 # [ 56.494158] ? ksys_write+0x68/0xf0 # [ 56.498351] make_task_dead+0x2f/0x30 # [ 56.502738] rewind_stack_and_make_dead+0x17/0x20 # [ 56.508285] RIP: 0033:0x7f04b8f11473 # [ 56.512569] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.533842] RSP: 002b:00007ffc73884b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.542595] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f04b8f11473 # [ 56.550858] RDX: 000000000000000a RSI: 00007f04b8e05000 RDI: 0000000000000001 # [ 56.559122] RBP: 00007f04b8e05000 R08: 00007f04b8e04010 R09: 0000000000000000 # [ 56.567384] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.575648] 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 # [ 56.901874] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 56.913697] lkdtm: attempting bad read at 00007f1d28aa2000 # [ 56.920172] BUG: unable to handle page fault for address: 00007f1d28aa2000 # [ 56.928148] #PF: supervisor read access in kernel mode # [ 56.934171] #PF: error_code(0x0001) - permissions violation # [ 56.940688] PGD 800000010381e067 P4D 800000010381e067 PUD 102ac8067 PMD 10588c067 PTE 10ab93067 # [ 56.956919] Oops: 0001 [#12] SMP PTI # [ 56.961206] CPU: 2 PID: 1830 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 56.976337] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.983252] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 56.995982] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 30 3c b8 97 e8 24 d8 fb ff 48 c7 c7 58 3c b8 97 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 80 3c b8 # [ 57.017250] RSP: 0018:ffffbd9702447e48 EFLAGS: 00010246 # [ 57.023384] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.031649] RDX: 0000000000000000 RSI: ffff9d50bbd1bf50 RDI: ffffffff97b83c58 # [ 57.039915] RBP: 00007f1d28aa2000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.048180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.056445] R13: ffffbd9702447f10 R14: ffffbd9702447f10 R15: ffff9d50453e9000 # [ 57.064713] FS: 00007f1d28a73580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 57.074047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.080757] CR2: 00007f1d28aa2000 CR3: 0000000102956000 CR4: 00000000003506e0 # [ 57.089022] Call Trace: # [ 57.092052] ? __die_body.cold+0x1a/0x1f # [ <6>[ 60.441625] lkdtm: Performing direct entry WRITE_KERN <6>[ 60.447940] lkdtm: attempting bad 7222026 byte write at ffffffff96c5f5da <1>[ 60.455741] BUG: unable to handle page fault for address: ffffffff96c5f5da <1>[ 60.463694] #PF: supervisor write access in kernel mode <1>[ 60.469808] #PF: error_code(0x0003) - permissions violation 57.096731] ? no_context+0x177/0x380 # [ 57.101120] ? exc_p<6>[ 60.476312] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 212001e1 <4>[ 60.489510] Oops: 0003 [#16] SMP PTI age_fault+0x53/0x170 # [ 57.105796] ? asm_exc_page_fault+0x1<4>[ 60.493783] CPU: 2 PID: 1974 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 60.508909] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.515806] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 60.521255] Code: 53 48 c7 c3 da f5 c5 96 49 89 dc 48 89 da 49 81 ec d0 c2 57 96 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 d0 c2 57 96 a4 48 c7 c7 40 3b b8 97 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 60.542497] RSP: 0018:ffffbd970264fe50 EFLAGS: 00010246 <4>[ 60.548609] RAX: 000000000000003c RBX: ffffffff96c5f5da RCX: 00000000006e330a <4>[ 60.556865] RDX: 0000000000000000 RSI: ffffffff9657c2d0 RDI: ffffffff96c5f5da <4>[ 60.565110] RBP: ffffffff97b82d4a R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.573353] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e330a <4>[ 60.581596] R13: ffffbd970264ff10 R14: ffffbd970264ff10 R15: ffff9d5044336000 <4>[ 60.589852] FS: 00007f49ebdeb580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 60.599169] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.605871] CR2: ffffffff96c5f5da CR3: 00000001049a6000 CR4: 00000000003506e0 <4>[ 60.614117] Call Trace: <4>[ 60.617145] ? __die_body.cold+0x1a/0x1f <4>[ 60.621810] ? no_context+0x177/0x380 <4>[ 60.626187] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 60.631914] ? exc_page_fault+0xd7/0x170 <4>[ 60.636578] ? asm_exc_page_fault+0x1e/0x30 <4>[ 60.641534] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 60.647267] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 60.652412] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 60.658142] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 60.662907] direct_entry.cold+0x2c/0x38 <4>[ 60.667576] full_proxy_write+0x56/0x80 <4>[ 60.672146] vfs_write+0xea/0x3b0 <4>[ 60.676134] ksys_write+0x68/0xf0 <4>[ 60.680113] do_syscall_64+0x33/0x40 <4>[ 60.684389] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 60.690304] RIP: 0033:0x7f49ebd01473 <4>[ 60.694575] 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>[ 60.715808] RSP: 002b:00007fff8571a098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.724545] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f49ebd01473 <4>[ 60.732791] RDX: 000000000000000b RSI: 00007f49ebbf5000 RDI: 0000000000000001 <4>[ 60.741035] RBP: 00007f49ebbf5000 R08: 00007f49ebbf4010 R09: 0000000000000000 <4>[ 60.749283] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.757526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e/0x30 # [ 57.110767] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa<4>[ 60.765778] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 60.811956] CR2: ffffffff96c5f5da <4>[ 60.815941] ---[ end trace f8800554775ed3e2 ]--- <4>[ 60.821370] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.826033] 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>[ 60.847245] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 <4>[ 60.853350] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.861594] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 <4>[ 60.869837] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.878085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.886333] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 <4>[ 60.894576] FS: 00007f49ebdeb580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 60.903887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.910577] CR2: ffffffff96c5f5da CR3: 00000001049a6000 CR4: 00000000003506e0 <3>[ 60.918829] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 60.929007] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1974, name: cat <4>[ 60.937735] INFO: lockdep is turned off. <4>[ 60.942393] irq event stamp: 0 <4>[ 60.946087] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.953370] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 60.962781] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 60.972190] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.979467] CPU: 2 PID: 1974 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 60.988391] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.995276] Call Trace: <4>[ 60.998299] dump_stack+0x77/0x9b <4>[ 61.002287] ___might_sleep.cold+0xa6/0xb6 <4>[ 61.007151] exit_signals+0x1c/0x300 <4>[ 61.011429] do_exit+0xc2/0xab0 <4>[ 61.015224] ? ksys_write+0x68/0xf0 <4>[ 61.019404] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 61.025132] make_task_dead+0x2f/0x30 <4>[ 61.029505] rewind_stack_and_make_dead+0x17/0x20 <4>[ 61.035038] RIP: 0033:0x7f49ebd01473 <4>[ 61.039319] 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>[ 61.060563] RSP: 002b:00007fff8571a098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.069300] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f49ebd01473 <4>[ 61.077552] RDX: 000000000000000b RSI: 00007f49ebbf5000 RDI: 0000000000000001 <4>[ 61.085811] RBP: 00007f49ebbf5000 R08: 00007f49ebbf4010 R09: 0000000000000000 <4>[ 61.094060] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.102299] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3 # [ 57.116610] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 57.122450] direct_entry.cold+0x2c/0x38 # [ 57.127129] full_proxy_write+0x56/0x80 # [ 57.131711] vfs_write+0xea/0x3b0 # [ 57.135708] ksys_write+0x68/0xf0 # [ 57.139708] do_syscall_64+0x33/0x40 # [ 57.143997] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.149937] RIP: 0033:0x7f1d28989473 # [ 57.154225] 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 # [ 57.175494] RSP: 002b:00007fff5f47e8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.184243] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1d28989473 # [ 57.192503] RDX: 0000000000000011 RSI: 00007f1d2887d000 RDI: 0000000000000001 # [ 57.200767] RBP: 00007f1d2887d000 R08: 00007f1d2887c010 R09: 0000000000000000 # [ 57.209032] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.217296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.225572] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.271861] CR2: 00007f1d28aa2000 # [ 57.275856] ---[ end trace f8800554775ed3de ]--- # [ 57.281304] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.285976] 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 # [ 57.307244] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 57.313374] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.321641] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 57.329907] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 57.338174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.346440] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 57.354707] FS: 00007f1d28a73580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 57.364043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.370756] CR2: 00007f1d28aa2000 CR3: 0000000102956000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 57.673418] lkdtm: Performing direct entry ACCESS_NULL # [ 57.683264] lkdtm: attempting bad read at 0000000000000000 # [ 57.689743] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.697816] #PF: supervisor read access in kernel mode # [ 57.703845] #PF: error_code(0x0000) - not-present page # [ 57.709876] PGD 0 P4D 0 # [ 57.719114] Oops: 0000 [#13] SMP PTI # [ 57.723398] CPU: 2 PID: 1866 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 57.738528] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.745432] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 57.750979] 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 30 3c b8 97 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 58 3c b8 97 48 01 # [ 57.772241] RSP: 0018:ffffbd97024bfe58 EFLAGS: 00010246 # [ 57.778367] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 57.786622] RDX: 0000000000000000 RSI: ffff9<6>[ 61.474960] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW d50bbd1bf50 RDI: ffff9d50bbd1bf50 # [ 57.794883] RBP: fffffff<6>[ 61.483520] lkdtm: attempting good refcount_inc() without overflow f97b82d21 R08: 0000000000000000 R09: 0000000000000000 # [ 57.<6>[ 61.496915] lkdtm: attempting bad refcount_inc() overflow 803144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[ 61.509771] ------------[ cut here ]------------ 00000000c # [ 57.811399] R13: ffffbd97024bff10 R14: ffffbd970<4>[ 61.521128] refcount_t: saturated; leaking memory. 24bff10 R15: ffff9d50446ec000 # [ 57.819663] FS: 00007fc9655<4>[ 61.533231] WARNING: CPU: 3 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 f8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # <4>[ 61.549213] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 57.828984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[ 61.595197] CPU: 3 PID: 2010 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 57.835693] CR2: 0000000000000000 CR3: 0000000106d4e000 C<4>[ 61.610438] Hardware name: Google Coral/Coral, BIOS 09/29/2020 R4: 00000000003506e0 # [ 57.843950] Call Trace: # [ 57.846<4>[ 61.623475] RIP: 0010:refcount_warn_saturate+0x51/0x110 982] ? __die_body.cold+0x1a/0x1f # [ 57.851658] ? no_contex<4>[ 61.635778] 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 48 d9 ad 97 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 70 d9 ad t+0x177/0x380 # [ 57.856039] ? exc_page_fault+0x53/0x170 # <4>[ 61.663248] RSP: 0018:ffffbd97026e7e48 EFLAGS: 00010286 [ 57.860712] ? asm_exc_page_fault+0x1e/0x30 # [ 57.865675]<4>[ 61.675570] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 57.870543] ? lkdtm_ACCES<4>[ 61.690079] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 S_NULL+0x14/0x53 # [ 57.875404] direct_entry.cold+0x2c/0x38 <4>[ 61.704511] RBP: ffffffff97b82d55 R08: 0000000000000000 R09: 0000000000000000 # [ 57.880076] full_proxy_write+0x56/0x80 # [ 57.884650] <4>[ 61.719006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 vfs_write+0xea/0x3b0 # [ 57.888642] ksys_write+0x68/0xf0 #<4>[ 61.733426] R13: ffffbd97026e7f10 R14: ffffbd97026e7f10 R15: ffff9d5042a42000 [ 57.892634] do_syscall_64+0x33/0x40 # [ 57.896911] entr<4>[ 61.747879] FS: 00007f6c04084580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 y_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.902835] RIP: 0033<4>[ 61.763396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 :0x7fc96550e473 # [ 57.907113] Code: 8b 15 21 2a 0e 00 f7 d8 <4>[ 61.776333] CR2: 00007f6c03e8e000 CR3: 00000001043a6000 CR4: 00000000003506e0 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0<4>[ 61.790754] Call Trace: 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 <4>[ 61.800023] ? __warn+0x80/0x110 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.928372] RSP:<4>[ 61.810068] ? refcount_warn_saturate+0x51/0x110 002b:00007fff4b640358 EFLAGS: 00000246 ORIG_RAX: 00000000000000<4>[ 61.821853] ? report_bug+0x9e/0xc0 01 # [ 57.937114] RAX: ffffffffffffffda RBX: 000000000000000c<4>[ 61.832245] ? handle_bug+0x41/0x90 RCX: 00007fc96550e473 # [ 57.945371] RDX: 000000000000000c R<4>[ 61.842545] ? exc_invalid_op+0x14/0x70 SI: 00007fc965402000 RDI: 0000000000000001 # [ 57.953630] RBP<4>[ 61.853445] ? asm_exc_invalid_op+0x12/0x20 : 00007fc965402000 R08: 00007fc965401010 R09: 0000000000000000 <4>[ 61.864526] ? refcount_warn_saturate+0x51/0x110 # [ 57.961885] R10: fffffffffffffbc5 R11: 0000000000000246 R12<4>[ 61.876186] ? refcount_warn_saturate+0x51/0x110 : 0000000000000001 # [ 57.970133] R13: 0000000000000001 R14: <4>[ 61.887801] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 0000000000020000 R15: 0000000000020000 # [ 57.978390] Modules<4>[ 61.899701] direct_entry.cold+0x2c/0x38 linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros<4>[ 61.910546] full_proxy_write+0x56/0x80 _usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_v<4>[ 61.921347] vfs_write+0xea/0x3b0 malloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x<4>[ 61.931496] ksys_write+0x68/0xf0 86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 <4>[ 61.941729] do_syscall_64+0x33/0x40 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_com<4>[ 61.952161] entry_SYSCALL_64_after_hwframe+0x62/0xc7 press snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_tabl<4>[ 61.964306] RIP: 0033:0x7f6c03f9a473 e # [ 58.024619] CR2: 0000000000000000 # [ 58.028616] ---[<4>[ 61.974751] 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 end trace f8800554775ed3df ]--- # [ 58.034067] RIP: 0010:lkd<4>[ 62.002247] RSP: 002b:00007fff8add85f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 tm_BUG+0x5/0x10 # [ 58.038730] Code: 89 ff e8 5e d4 79 ff 48 <4>[ 62.017122] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6c03f9a473 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c<4>[ 62.031617] RDX: 0000000000000016 RSI: 00007f6c03e8e000 RDI: 0000000000000001 7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 <4>[ 62.046038] RBP: 00007f6c03e8e000 R08: 00007f6c03e8d010 R09: 0000000000000000 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 # [ 58.059980] RSP:<4>[ 62.060520] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 58.066097] RAX: f<4>[ 62.074957] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [<4>[ 62.089456] irq event stamp: 0 58.074351] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: f<4>[ 62.099288] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffff976f84b0 # [ 58.082608] RBP: ffffffff97be8e88 R08: 000<4>[ 62.112869] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0000000000001 R09: 0000000000000001 # [ 58.090872] R10: 00000<4>[ 62.128496] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 5<4>[ 62.144117] softirqs last disabled at (0): [<0000000000000000>] 0x0 8.099131] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9<4>[ 62.157577] ---[ end trace f8800554775ed3e3 ]--- d5046c74000 # [ 58.107393] FS: 00007fc9655f8580(0000) GS:fff<6>[ 62.169210] lkdtm: Overflow detected: saturated f9d50bbd00000(0000) knlGS:0000000000000000 # [ 58.116721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.123429] CR2: 0000000000000000 CR3: 0000000106d4e000 CR4: 00000000003506e0 # [ 58.131692] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.141896] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1866, name: cat # [ 58.150630] INFO: lockdep is turned off. # [ 58.155300] irq event stamp: 0 # [ 58.158991] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.166276] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.175697] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.185128] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.192424] CPU: 2 PID: 1866 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 58.201360] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.208265] Call Trace: # [ 58.211294] dump_stack+0x77/0x9b # [ 58.215292] ___might_sleep.cold+0xa6/0xb6 # [ 58.220164] exit_signals+0x1c/0x300 # [ 58.224451] do_exit+0xc2/0xab0 # [ 58.228254] ? ksys_write+0x68/0xf0 # [ 58.232446] make_task_dead+0x2f/0x30 # [ 58.236833] rewind_stack_and_make_dead+0x17/0x20 # [ 58.242378] RIP: 0033:0x7fc96550e473 # [ 58.246664] 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 # [ 58.267926] RSP: 002b:00007fff4b640358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.276672] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc96550e473 # [ 58.284938] RDX: 000000000000000c RSI: 00007fc965402000 RDI: 0000000000000001 # [ 58.293199] RBP: 00007fc965402000 R08: 00007fc965401010 R09: 0000000000000000 # [ 58.301459] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.309721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.693707] lkdtm: Performing direct entry WRITE_RO # [ 58.702284] lkdtm: attempting bad rodata write at ffffffff976f8930 # [ 58.709525] BUG: unable to handle page fault for address: ffffffff976f8930 # [ 58.717486] #PF: supervisor write access in kernel mode # [ 58.723604] #PF: error_code(0x0003) - permissions violation # [ 58.730104] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 8000000021c001e1 # [ 58.737878] Oops: 0003 [#14] SMP PTI # [ 58.742155] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 58.751080] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.757986] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 58.763227] Code: 00 48 c7 c7 10 3b b8 97 48 c7 c6 30 89 6f 97 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 40 3b b8 97 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 # [ 58.784461] RSP: 0018:ffffbd9702537e60 EFLAGS: 00010202 # [ 58.790572] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.798824] RDX: 00000000abcd1234 RSI: ffff9d50bbc9bf50 RDI: ffffffff97b83b40 # [ 58.807080] RBP: ffffffff97b82d2d R08: 0000000000000000 R09: 0000000000000000 # [ 58.815332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 58.823577] R13: ffffbd9702537f10 R14: ffffbd9702537f10 R15: ffff9d504325c000 # [ 58.831824] FS: 00007fa99c674580(0000) GS:ffff9d50bbc80000(<6>[ 62.527808] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0000) knlGS:0000000000000000 # [ 58.841138] CS: 0010 DS: 000<6>[ 62.541026] lkdtm: attempting good refcount_add() without overflow <6>[ 62.554468] lkdtm: attempting bad refcount_add() overflow 0 ES: 0000 CR0: 0000000080050033 # [ 58.847838] CR2: ffffffff<4>[ 62.560801] ------------[ cut here ]------------ 976f8930 CR3: 000000010431c000 CR4: 00000000003506e0 # [ 58.8<4>[ 62.572446] refcount_t: saturated; leaking memory. 56097] Call Trace: # [ 58.859132] ? __die_body.cold+0x1a/0x1<4>[ 62.584342] WARNING: CPU: 2 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 f # [ 58.863811] ? no_context+0x177/0x380 # [ 58.868193] <4>[ 62.600214] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 62.646402] CPU: 2 PID: 2043 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 62.655360] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.662276] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 62.668421] 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 48 d9 ad 97 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 70 d9 ad <4>[ 62.689660] RSP: 0018:ffffbd970275fe48 EFLAGS: 00010286 <4>[ 62.695799] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 62.704071] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 <4>[ 62.712337] RBP: ffffffff97b82d6b R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.720603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 62.728873] R13: ffffbd970275ff10 R14: ffffbd970275ff10 R15: ffff9d5044496000 <4>[ 62.737146] FS: 00007fe65e9c8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 62.746495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.753223] CR2: 00007fe65e7d2000 CR3: 00000001066f4000 CR4: 00000000003506e0 <4>[ 62.761498] Call Trace: <4>[ 62.764557] ? __warn+0x80/0x110 <4>[ 62.768469] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.773944] ? report_bug+0x9e/0xc0 <4>[ 62.778157] ? handle_bug+0x41/0x90 <4>[ 62.782372] ? exc_invalid_op+0x14/0x70 <4>[ 62.786972] ? asm_exc_invalid_op+0x12/0x20 <4>[ 62.791965] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.797427] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.802892] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 <4>[ 62.808560] direct_entry.cold+0x2c/0x38 <4>[ 62.813261] full_proxy_write+0x56/0x80 <4>[ 62.817860] vfs_write+0xea/0x3b0 <4>[ 62.821877] ksys_write+0x68/0xf0 <4>[ 62.825896] do_syscall_64+0x33/0x40 <4>[ 62.830207] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 62.836164] RIP: 0033:0x7fe65e8de473 <4>[ 62.840473] 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>[ 62.861738] RSP: 002b:00007ffe7030e0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.870495] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe65e8de473 ? exc_page_fault+0xd7/0x170 # [ 58.872863] ? asm_exc_page_f<4>[ 62.878764] RDX: 0000000000000016 RSI: 00007fe65e7d2000 RDI: 0000000000000001 <4>[ 62.893229] RBP: 00007fe65e7d2000 R08: 00007fe65e7d1010 R09: 0000000000000000 <4>[ 62.901509] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.909797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 62.918090] irq event stamp: 0 <4>[ 62.921809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.929122] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.938610] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.948086] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 62.955393] ---[ end trace f8800554775ed3e4 ]--- <6>[ 62.960850] lkdtm: Overflow detected: saturated ault+0x1e/0x30 # [ 58.877826] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 58.882392] direct_entry.cold+0x2c/0x38 # [ 58.887071] full_proxy_write+0x56/0x80 # [ 58.891654] vfs_write+0xea/0x3b0 # [ 58.895651] ksys_write+0x68/0xf0 # [ 58.899650] do_syscall_64+0x33/0x40 # [ 58.903935] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.909873] RIP: 0033:0x7fa99c58a473 # [ 58.914152] 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 # [ 58.935371] RSP: 002b:00007ffc21d10e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.944109] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa99c58a473 # [ 58.952368] RDX: 0000000000000009 RSI: 00007fa99c47e000 RDI: 0000000000000001 # [ 58.960623] RBP: 00007fa99c47e000 R08: 00007fa99c47d010 R09: 0000000000000000 # [ 58.968873] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.977122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.985383] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.031608] CR2: ffffffff976f8930 # [ 59.035595] ---[ end trace f8800554775ed3e0 ]--- # [ 59.041045] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.045711] 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 # [ 59.066956] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 59.073085] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.081340] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 59.089596] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 59.097856] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.106107] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 59.114358] FS: 00007fa99c674580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 59.123682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.130393] CR2: ffffffff976f8930 CR3: 000000010431c000 CR4: 00000000003506e0 # [ 59.138657] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.148857] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1902, name: cat # [ 59.157605] INFO: lockdep is turned off. # [ 59.162275] irq event stamp: 0 # [ 59.165973] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.173263] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.182673] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.192094] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.199381] CPU: 1 PID: 1902 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 59.208<6>[ 63.284361] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 311] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ <6>[ 63.296999] lkdtm: attempting bad refcount_inc_not_zero() overflow 59.215209] Call Trace: # [ 59.218241] dump_stack+0x77/0x9b <4>[ 63.310361] ------------[ cut here ]------------ # [ 59.222233] ___might_sleep.cold+0xa6/0xb6 # [ 59.227101<4>[ 63.322069] refcount_t: saturated; leaking memory. ] exit_signals+0x1c/0x300 # [ 59.231386] do_exit+0xc2/0xab0<4>[ 63.333990] WARNING: CPU: 3 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 59.235190] ? ksys_write+0x68/0xf0 # [ 59.239383] ma<4>[ 63.350068] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table ke_task_dead+0x2f/0x30 # [ 59.243766] rewind_stack_and_make_<4>[ 63.396123] CPU: 3 PID: 2076 Comm: cat Tainted: G D W 5.10.206-cip41 #1 dead+0x17/0x20 # [ 59.249309] RIP: 0033:0x7fa99c58a473 # [ <4>[ 63.411396] Hardware name: Google Coral/Coral, BIOS 09/29/2020 59.253587] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff f<4>[ 63.424343] RIP: 0010:refcount_warn_saturate+0x97/0x110 f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01<4>[ 63.436680] 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 48 d9 ad 97 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 a0 d9 ad 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e<4>[ 63.464296] RSP: 0018:ffffbd97027d7e38 EFLAGS: 00010282 c 28 48 89 54 24 18 # [ 59.274834] RSP: 002b:00007ffc21d10e28<4>[ 63.476523] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.289776] R<4>[ 63.491094] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 AX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa99c58a473<4>[ 63.505497] RBP: ffffffff97b829a8 R08: 0000000000000000 R09: 0000000000000000 # [ 59.298030] RDX: 0000000000000009 RSI: 00007fa99c47e000 R<4>[ 63.520027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f DI: 0000000000000001 # [ 59.306277] RBP: 00007fa99c47e000 R08<4>[ 63.534483] R13: ffffbd97027d7f10 R14: ffffbd97027d7f10 R15: ffff9d5045b56000 : 00007fa99c47d010 R09: 0000000000000000 # [ 59.314536] R10: <4>[ 63.549024] FS: 00007fb2b73bc580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # <4>[ 63.564535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.322784] R13: 0000000000000001 R14: 0000000000020000 R15: <4>[ 63.577496] CR2: 00007fb2b71c6000 CR3: 000000010430e000 CR4: 00000000003506e0 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selft<4>[ 63.591969] Call Trace: ests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INI<4>[ 63.601257] ? __warn+0x80/0x110 T.sh # Killed # [ 59.661586] lkdtm: Performing direct entry <4>[ 63.611294] ? refcount_warn_saturate+0x97/0x110 WRITE_RO_AFTER_INIT # [ 59.672914] lkdtm: attempting bad ro_a<4>[ 63.623063] ? report_bug+0x9e/0xc0 fter_init write at ffffffff97c0b350 # [ 59.680835] BUG: unabl<4>[ 63.633501] ? handle_bug+0x41/0x90 e to handle page fault for address: ffffffff97c0b350 # [ 59.6<4>[ 63.643768] ? exc_invalid_op+0x14/0x70 88801] #PF: supervisor write access in kernel mode # [ 59.694<4>[ 63.654712] ? asm_exc_invalid_op+0x12/0x20 922] #PF: error_code(0x0003) - permissions violation # [ 59.7<4>[ 63.665800] ? refcount_warn_saturate+0x97/0x110 01426] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 104ed3163 PTE <4>[ 63.677485] ? refcount_warn_saturate+0x97/0x110 800000002220b061 # [ 59.716667] Oops: 0003 [#15] SMP PTI # [<4>[ 63.689085] __refcount_add_not_zero.constprop.0+0x2a/0x35 59.720944] CPU: 1 PID: 1938 Comm: cat Tainted: G D W <4>[ 63.701692] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 5.10.206-cip41 #1 # [ 59.736092] Hardware name: Google C<4>[ 63.714432] direct_entry.cold+0x2c/0x38 oral/Coral, BIOS 09/29/2020 # [ 59.743006] RIP: 0010:lkdtm_W<4>[ 63.725448] full_proxy_write+0x56/0x80 RITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.755453] Code: 3b b8 97 e9<4>[ 63.736161] vfs_write+0xea/0x3b0 fe d9 fb ff 48 c7 c7 98 3b b8 97 e8 f2 d9 fb ff 48 8b 05 96 bc <4>[ 63.746355] ksys_write+0x68/0xf0 fa 00 ba 34 12 cd ab 48 c7 c7 40 3b b8 97 48 31 d0 <48> 89 05 80<4>[ 63.756633] do_syscall_64+0x33/0x40 bc fa 00 e9 d0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59<4>[ 63.767094] entry_SYSCALL_64_after_hwframe+0x62/0xc7 .776726] RSP: 0018:ffffbd97025bfe60 EFLAGS: 00010202 # [ 59.7<4>[ 63.779256] RIP: 0033:0x7fb2b72d2473 82857] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 00000000<4>[ 63.789795] 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 00000000 # [ 59.791109] RDX: 00000000abcd1234 RSI: ffff9d50bb<4>[ 63.817313] RSP: 002b:00007fffde7383e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c9bf50 RDI: ffffffff97b83b40 # [ 59.799359] RBP: ffffffff97b8<4>[ 63.832269] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb2b72d2473 2d36 R08: 0000000000000000 R09: 0000000000000000 # [ 59.80761<4>[ 63.846767] RDX: 000000000000001f RSI: 00007fb2b71c6000 RDI: 0000000000000001 1] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[ 63.861258] RBP: 00007fb2b71c6000 R08: 00007fb2b71c5010 R09: 0000000000000000 0014 # [ 59.815851] R13: ffffbd97025bff10 R14: ffffbd97025bff<4>[ 63.875745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 10 R15: ffff9d50444b4000 # [ 59.824099] FS: 00007f7a30aa7580<4>[ 63.890259] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 (0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 5<4>[ 63.904744] irq event stamp: 0 9.833410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [<4>[ 63.914693] hardirqs last enabled at (0): [<0000000000000000>] 0x0 59.840111] CR2: ffffffff97c0b350 CR3: 00000001053be000 CR4: 0<4>[ 63.928199] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0000000003506e0 # [ 59.848362] Call Trace: # [ 59.851396] <4>[ 63.943875] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ? __die_body.cold+0x1a/0x1f # [ 59.856069] ? no_context+0x1<4>[ 63.959517] softirqs last disabled at (0): [<0000000000000000>] 0x0 77/0x380 # [ 59.860451] ? exc_page_fault+0xd7/0x170 # [ 5<4>[ 63.973044] ---[ end trace f8800554775ed3e5 ]--- 9.865119] ? asm_exc_page_fault+0x1e/0x30 # [ 59.870088] ? l<6>[ 63.984739] lkdtm: Overflow detected: saturated kdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.875726] direct_entry.cold+0x2c/0x38 # [ 59.880402] full_proxy_write+0x56/0x80 # [ 59.884985] vfs_write+0xea/0x3b0 # [ 59.888976] ksys_write+0x68/0xf0 # [ 59.892966] do_syscall_64+0x33/0x40 # [ 59.897246] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 59.903173] RIP: 0033:0x7f7a309bd473 # [ 59.907454] 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 # [ 59.928704] RSP: 002b:00007ffeef7c47b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.937443] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7a309bd473 # [ 59.945694] RDX: 0000000000000014 RSI: 00007f7a308b1000 RDI: 0000000000000001 # [ 59.953949] RBP: 00007f7a308b1000 R08: 00007f7a308b0010 R09: 0000000000000000 # [ 59.962194] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.970459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.978734] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 60.025010] CR2: ffffffff97c0b350 # [ 60.028993] ---[ end trace f8800554775ed3e1 ]--- # [ 60.034439] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.039110] 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 # [ 60.060362] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 60.066467] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.074709] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 60.082950] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 60.091196] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.099441] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 60.107688] FS: 00007f7a30aa7580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 60.117000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.123700] CR2: ffffffff97c0b350 CR3: 00000001053be000 CR4: 00000000003506e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 60.441625] lkdtm: Performing direct entry WRITE_KERN # [ 60.447940] lkdtm: attempting bad 7222026 byte write at ffffffff96c5f5da # [ 60.455741] BUG: unable to handle page fault for address: ffffffff96c5f5da # [ 60.463694] #PF: supervisor write access in kernel mode # [ 60.469808] #PF: error_code(0x0003) - permissions violation # [ 60.476312] PGD 22429067 P4D 22429067 PUD 2242a063 PMD 212001e1 # [ 60.489510] Oops: 0003 [#16] SMP PTI # [ 60.493783] CPU: 2 PID: 1974 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 60.508909] Hardware name: Google Coral/Coral, BI<6>[ 64.314536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW OS 09/29/2020 # [ 60.515806] RIP: 0010:lkdtm_WRITE_KERN+0x38<6>[ 64.327268] lkdtm: attempting bad refcount_add_not_zero() overflow /0x4e # [ 60.521255] Code: 53 48 c7 c3 da f5 c5 96 49 89 dc 4<4>[ 64.340669] ------------[ cut here ]------------ 8 89 da 49 81 ec d0 c2 57 96 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c<4>[ 64.352317] refcount_t: saturated; leaking memory. 89 e1 48 c7 c6 d0 c2 57 96 a4 48 c7 c7 40 3b b8 97 e8 8a d<4>[ 64.364286] WARNING: CPU: 3 PID: 2109 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 60.542497] RSP: 0018:ffff<4>[ 64.380153] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table bd970264fe50 EFLAGS: 00010246 # [ 60.548609] RAX: 00000000000<4>[ 64.426320] CPU: 3 PID: 2109 Comm: cat Tainted: G D W 5.10.206-cip41 #1 0003c RBX: ffffffff96c5f5da RCX: 00000000006e330a # [ 60.5568<4>[ 64.441475] Hardware name: Google Coral/Coral, BIOS 09/29/2020 65] RDX: 0000000000000000 RSI: ffffffff9657c2d0 RDI: ffffffff96c<4>[ 64.454588] RIP: 0010:refcount_warn_saturate+0x97/0x110 5f5da # [ 60.565110] RBP: ffffffff97b82d4a R08: 0000000000000<4>[ 64.466942] 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 48 d9 ad 97 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 a0 d9 ad 000 R09: 0000000000000000 # [ 60.573353] R10: 00000000ffffe00<4>[ 64.494421] RSP: 0018:ffffbd9702847e38 EFLAGS: 00010282 0 R11: 3fffffffffffffff R12: 00000000006e330a # [ 60.581596] <4>[ 64.506739] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 R13: ffffbd970264ff10 R14: ffffbd970264ff10 R15: ffff9d504433600<4>[ 64.521225] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 0 # [ 60.589852] FS: 00007f49ebdeb580(0000) GS:ffff9d50bbd00<4>[ 64.535689] RBP: ffffffff97b829c8 R08: 0000000000000000 R09: 0000000000000000 000(0000) knlGS:0000000000000000 # [ 60.599169] CS: 0010 DS:<4>[ 64.550188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0000 ES: 0000 CR0: 0000000080050033 # [ 60.605871] CR2: ffff<4>[ 64.564654] R13: ffffbd9702847f10 R14: ffffbd9702847f10 R15: ffff9d5043c4a000 ffff96c5f5da CR3: 00000001049a6000 CR4: 00000000003506e0 # [ <4>[ 64.579136] FS: 00007ff64fe95580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 60.614117] Call Trace: # [ 60.617145] ? __die_body.cold+0x1a<4>[ 64.594696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /0x1f # [ 60.621810] ? no_context+0x177/0x380 # [ 60.6261<4>[ 64.607631] CR2: 00007ff64fc9f000 CR3: 0000000106d18000 CR4: 00000000003506e0 87] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.631914] ?<4>[ 64.622341] Call Trace: exc_page_fault+0xd7/0x170 # [ 60.636578] ? asm_exc_page_fau<4>[ 64.631345] ? __warn+0x80/0x110 lt+0x1e/0x30 # [ 60.641534] ? lkdtm_SLAB_FREE_CROSS.cold+0x3<4>[ 64.641609] ? refcount_warn_saturate+0x97/0x110 2/0x32 # [ 60.647267] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ <4>[ 64.653265] ? report_bug+0x9e/0xc0 60.652412] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.6<4>[ 64.663594] ? handle_bug+0x41/0x90 58142] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 60.662907] direct_e<4>[ 64.673890] ? exc_invalid_op+0x14/0x70 ntry.cold+0x2c/0x38 # [ 60.667576] full_proxy_write+0x56/0x8<4>[ 64.684727] ? asm_exc_invalid_op+0x12/0x20 0 # [ 60.672146] vfs_write+0xea/0x3b0 # [ 60.676134] ksy<4>[ 64.695867] ? refcount_warn_saturate+0x97/0x110 s_write+0x68/0xf0 # [ 60.680113] do_syscall_64+0x33/0x40 # <4>[ 64.707536] ? refcount_warn_saturate+0x97/0x110 [ 60.684389] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ <4>[ 64.719151] __refcount_add_not_zero.constprop.0+0x2a/0x35 60.690304] RIP: 0033:0x7f49ebd01473 # [ 60.694575] Code: 8b 1<4>[ 64.731842] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 5 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00<4>[ 64.744446] direct_entry.cold+0x2c/0x38 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3<4>[ 64.755500] full_proxy_write+0x56/0x80 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #<4>[ 64.766220] vfs_write+0xea/0x3b0 [ 60.715808] RSP: 002b:00007fff8571a098 EFLAGS: 00000246 ORIG<4>[ 64.776449] ksys_write+0x68/0xf0 _RAX: 0000000000000001 # [ 60.724545] RAX: ffffffffffffffda R<4>[ 64.786667] do_syscall_64+0x33/0x40 BX: 000000000000000b RCX: 00007f49ebd01473 # [ 60.732791] RDX<4>[ 64.797186] entry_SYSCALL_64_after_hwframe+0x62/0xc7 : 000000000000000b RSI: 00007f49ebbf5000 RDI: 0000000000000001 <4>[ 64.809246] RIP: 0033:0x7ff64fdab473 # [ 60.741035] RBP: 00007f49ebbf5000 R08: 00007f49ebbf4010 R09<4>[ 64.819854] 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 : 0000000000000000 # [ 60.749283] R10: fffffffffffffbc5 R11: <4>[ 64.847234] RSP: 002b:00007ffe85763d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000246 R12: 0000000000000001 # [ 60.757526] R13: 00<4>[ 64.862349] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff64fdab473 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 64.876684] RDX: 000000000000001f RSI: 00007ff64fc9f000 RDI: 0000000000000001 60.765778] Modules linked in: fuse ip_tables cros_ec_debugfs c<4>[ 64.891218] RBP: 00007ff64fc9f000 R08: 00007ff64fc9e010 R09: 0000000000000000 ros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_<4>[ 64.905654] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops v<4>[ 64.920153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ideobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_co<4>[ 64.934647] irq event stamp: 0 mmon snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_<4>[ 64.944566] hardirqs last enabled at (0): [<0000000000000000>] 0x0 core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_<4>[ 64.958076] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 pstore coreboot_table # [ 60.811956] CR2: ffffffff96c5f5da #<4>[ 64.973714] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 [ 60.815941] ---[ end trace f8800554775ed3e2 ]--- # [ 60.8<4>[ 64.989347] softirqs last disabled at (0): [<0000000000000000>] 0x0 21370] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.826033] Code: 89 f<4>[ 65.002865] ---[ end trace f8800554775ed3e6 ]--- f e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff<6>[ 65.014463] lkdtm: Overflow detected: saturated 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 # [ 60.847245] RSP: 0018:ffffbd97011c7e60 EFLAGS: 00010286 # [ 60.853350] RAX: ffffffff9657bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.861594] RDX: 0000000000000000 RSI: ffff9d50bbc1bf50 RDI: ffffffff976f84b0 # [ 60.869837] RBP: ffffffff97be8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 60.878085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.886333] R13: ffffbd97011c7f10 R14: ffffbd97011c7f10 R15: ffff9d5046c74000 # [ 60.894576] FS: 00007f49ebdeb580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 60.903887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.910577] CR2: ffffffff96c5f5da CR3: 00000001049a6000 CR4: 00000000003506e0 # [ 60.918829] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.929007] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1974, name: cat # [ 60.937735] INFO: lockdep is turned off. # [ 60.942393] irq event stamp: 0 # [ 60.946087] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.953370] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.962781] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.972190] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.979467] CPU: 2 PID: 1974 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 60.988391] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.995276] Call Trace: # [ 60.998299] dump_stack+0x77/0x9b # [ 61.002287] ___might_sleep.cold+0xa6/0xb6 # [ 61.007151] exit_signals+0x1c/0x300 # [ 61.011429] do_exit+0xc2/0xab0 # [ 61.015224] ? ksys_write+0x68/0xf0 # [ 61.019404] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 61.025132] make_task_dead+0x2f/0x30 # [ 61.029505] rewind_stack_and_make_dead+0x17/0x20 # [ 61.035038] RIP: 0033:0x7f49ebd01473 # [ 61.039319] 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 # [ 61.060563] RSP: 002b:00007fff8571a098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.069300] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f49ebd01473 # [ 61.077552] RDX: 000000000000000b RSI: 00007f49ebbf5000 RDI: 0000000000000001 # [ 61.085811] RBP: 00007f49ebbf5000 R08: 00007f49ebbf4010 R09: 0000000000000000 # [ 61.094060] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.102299] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.474960] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.483520] lkdtm: attempting good refcount_inc() without overflow # [ 61.496915] lkdtm: attempting bad refcount_inc() overflow # [ 61.509771] ------------[ cut here ]------------ # [ 61.521128] refcount_t: saturated; leaking memory. # [ 61.533231] WARNING: CPU: 3 PID: 2010 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.549213] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo <6>[ 65.359475] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charg<6>[ 65.367848] lkdtm: attempting good refcount_dec() er videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cro<6>[ 65.379583] lkdtm: attempting bad refcount_dec() to zero s_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_<4>[ 65.392021] ------------[ cut here ]------------ usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine<4>[ 65.403732] refcount_t: decrement hit 0; leaking memory. regmap_i2c chromeos_pstore coreboot_table # [ 61.595197] CPU<4>[ 65.416223] WARNING: CPU: 3 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 : 3 PID: 2010 Comm: cat Tainted: G D W 5.10.206-cip<4>[ 65.432062] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 41 #1 # [ 61.610438] Hardware name: Google Coral/Coral, BIOS <4>[ 65.478327] CPU: 3 PID: 2142 Comm: cat Tainted: G D W 5.10.206-cip41 #1 09/29/2020 # [ 61.623475] RIP: 0010:refcount_warn_saturate+0<4>[ 65.493451] Hardware name: Google Coral/Coral, BIOS 09/29/2020 x51/0x110 # [ 61.635778] Code: 84 bc 00 00 00 c3 cc cc cc cc <4>[ 65.506573] RIP: 0010:refcount_warn_saturate+0xfb/0x110 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 ad 97 c6 0<4>[ 65.518937] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 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 5 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 <4>[ 65.546405] RSP: 0018:ffffbd97028d7e48 EFLAGS: 00010286 fa 16 02 00 75 cb 48 c7 c7 70 d9 ad # [ 61.663248] RSP: 0018:<4>[ 65.558721] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ffffbd97026e7e48 EFLAGS: 00010286 # [ 61.675570] RAX: 0000000<4>[ 65.573202] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.<4>[ 65.587706] RBP: ffffffff97b82d81 R08: 0000000000000000 R09: 0000000000000000 690079] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d5<4>[ 65.602152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 0bbd9bf50 # [ 61.704511] RBP: ffffffff97b82d55 R08: 000000000<4>[ 65.616620] R13: ffffbd97028d7f10 R14: ffffbd97028d7f10 R15: ffff9d5044386000 0000000 R09: 0000000000000000 # [ 61.719006] R10: 00000000fff<4>[ 65.631061] FS: 00007ff7edb8e580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 fe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.7334<4>[ 65.646653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 26] R13: ffffbd97026e7f10 R14: ffffbd97026e7f10 R15: ffff9d5042a<4>[ 65.659796] CR2: 00007ff7ed998000 CR3: 00000001045e4000 CR4: 00000000003506e0 42000 # [ 61.747879] FS: 00007f6c04084580(0000) GS:ffff9d50b<4>[ 65.674019] Call Trace: bd80000(0000) knlGS:0000000000000000 # [ 61.763396] CS: 0010<4>[ 65.683373] ? __warn+0x80/0x110 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.776333] CR2: <4>[ 65.693451] ? refcount_warn_saturate+0xfb/0x110 00007f6c03e8e000 CR3: 00000001043a6000 CR4: 00000000003506e0 # <4>[ 65.705025] ? report_bug+0x9e/0xc0 [ 61.790754] Call Trace: # [ 61.800023] ? __warn+0x80/0x11<4>[ 65.715437] ? refcount_warn_saturate+0xfb/0x110 0 # [ 61.810068] ? refcount_warn_saturate+0x51/0x110 # [ <4>[ 65.727066] ? handle_bug+0x41/0x90 61.821853] ? report_bug+0x9e/0xc0 # [ 61.832245] ? handle_b<4>[ 65.737459] ? exc_invalid_op+0x14/0x70 ug+0x41/0x90 # [ 61.842545] ? exc_invalid_op+0x14/0x70 # [ <4>[ 65.748223] ? asm_exc_invalid_op+0x12/0x20 61.853445] ? asm_exc_invalid_op+0x12/0x20 # [ 61.864526] <4>[ 65.759419] ? refcount_warn_saturate+0xfb/0x110 ? refcount_warn_saturate+0x51/0x110 # [ 61.876186] ? refcoun<4>[ 65.771006] ? refcount_warn_saturate+0xfb/0x110 t_warn_saturate+0x51/0x110 # [ 61.887801] lkdtm_REFCOUNT_INC<4>[ 65.782836] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd _OVERFLOW+0x70/0x98 # [ 61.899701] direct_entry.cold+0x2c/0x<4>[ 65.794197] direct_entry.cold+0x2c/0x38 38 # [ 61.910546] full_proxy_write+0x56/0x80 # [ 61.92134<4>[ 65.805025] full_proxy_write+0x56/0x80 7] vfs_write+0xea/0x3b0 # [ 61.931496] ksys_write+0x68/0xf0<4>[ 65.815885] vfs_write+0xea/0x3b0 # [ 61.941729] do_syscall_64+0x33/0x40 # [ 61.952161] e<4>[ 65.825975] ksys_write+0x68/0xf0 ntry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 61.964306] RIP: 0<4>[ 65.836327] do_syscall_64+0x33/0x40 033:0x7f6c03f9a473 # [ 61.974751] Code: 8b 15 21 2a 0e 00 f7 <4>[ 65.846797] entry_SYSCALL_64_after_hwframe+0x62/0xc7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 0<4>[ 65.858965] RIP: 0033:0x7ff7edaa4473 0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 <4>[ 65.869294] 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 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.002247] R<4>[ 65.896881] RSP: 002b:00007ffd231151e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 SP: 002b:00007fff8add85f8 EFLAGS: 00000246 ORIG_RAX: 00000000000<4>[ 65.911681] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff7edaa4473 00001 # [ 62.017122] RAX: ffffffffffffffda RBX: 0000000000000<4>[ 65.926272] RDX: 0000000000000012 RSI: 00007ff7ed998000 RDI: 0000000000000001 016 RCX: 00007f6c03f9a473 # [ 62.031617] RDX: 000000000000001<4>[ 65.940701] RBP: 00007ff7ed998000 R08: 00007ff7ed997010 R09: 0000000000000000 6 RSI: 00007f6c03e8e000 RDI: 0000000000000001 # [ 62.046038] <4>[ 65.955106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 RBP: 00007f6c03e8e000 R08: 00007f6c03e8d010 R09: 000000000000000<4>[ 65.969562] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 62.060520] R10: fffffffffffffbc5 R11: 0000000000000246 <4>[ 65.984018] irq event stamp: 0 R12: 0000000000000001 # [ 62.074957] R13: 0000000000000001 R1<4>[ 65.993905] hardirqs last enabled at (0): [<0000000000000000>] 0x0 4: 0000000000020000 R15: 0000000000020000 # [ 62.089456] irq <4>[ 66.007449] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 event stamp: 0 # [ 62.099288] hardirqs last enabled at (0): <4>[ 66.023041] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 [<0000000000000000>] 0x0 # [ 62.112869] hardirqs last disable<4>[ 66.038710] softirqs last disabled at (0): [<0000000000000000>] 0x0 d at (0): [] copy_process+0x65c/0x20e0 # [ <4>[ 66.052193] ---[ end trace f8800554775ed3e7 ]--- 62.128496] softirqs last enabled at (0): [] c<6>[ 66.063849] lkdtm: Zero detected: saturated opy_process+0x65c/0x20e0 # [ 62.144117] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.157577] ---[ end trace f8800554775ed3e3 ]--- # [ 62.169210] 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 # [ 62.527808] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 62.541026] lkdtm: attempting good refcount_add() without overflow # [ 62.554468] lkdtm: attempting bad refcount_add() overflow # [ 62.560801] ------------[ cut here ]------------ # [ 62.572446] refcount_t: saturated; leaking memory. # [ 62.584342] WARNING: CPU: 2 PID: 2043 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 62.600214] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 62.646402] CPU: 2 PID: 2043 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 62.655360] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.662276] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 62.668421] 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 48 d9 ad 97 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 70 d9 ad # [ 62.689660] RSP: 0018:ffffbd970275fe48 EFLAGS: 00010286 # [ 62.695799] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 62.704071] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 # [ 62.712337] RBP: ffffffff97b82d6b R08: 0000000000000000 R09: 0000000000000000 # [ 62.720603] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.728873] R13: ffffbd970275ff10 R14: ffffbd970275ff10 R15: ffff9d5044496000 # [ 62.737146] FS: 00007fe65e9c8580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 62.746495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.753223] CR2: 00007fe65e7d2000 CR3: 00000001066f4000 CR4: 00000000003506e0 # [ 62.761498] Call Trace: # [ 62.764557] ? __warn+0x80/0x110 # [ 62.768469] ? refcount_warn_saturate+0x51/0x110 # [ 62.773944] ? report_bug+0x9e/0xc0 # [ 62.778157] ? handle_bug+0x41/0x90 # [ 62.782372] ? exc_invalid_op+0x14/0x70 # [ 62.786972] ? asm_exc_invalid_op+0x12/0x20 # [ 62.791965] ? refcount_warn_saturate+0x51/0x110 # [ 62.797427] ? refcount_warn_saturate+0x51/0x110 # [ 62.802892] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 62.808560] direct_entry.cold+0x2c/0x38 # [ 62.813261] full_proxy_write+0x56/0x80 # [ 62.817860] vfs_write+0xea/0x3b0 # [ 62.821877] ksys_write+0x68/0xf0 # [ 62.825896] do_syscall_64+0x33/0x40 # [ 62.830207] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 62.836164] RIP: 0033:0x7fe65e8de473 # [ 62.840473] 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 # [ 62.861738] RSP: 002b:00007ffe7030e0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.870495] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe65e8de473 # [ 62.878764] RDX: 0000000000000016 RSI: 00007fe65e7d2000 RDI: 0000000000000001 # [ 62.893229] RBP: 00007fe65e7d2000 R08: 00007fe65e7d1010 R09: 0000000000000000 # [ 62.901509] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000<6>[ 66.435577] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 66.448189] lkdtm: attempting bad refcount_dec() below zero <4>[ 66.454732] ------------[ cut here ]------------ <4>[ 66.460197] refcount_t: decrement hit 0; leaking memory. <4>[ 66.466489] WARNING: CPU: 2 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00000001 # [ 62.909797] R13: 0000000000000001 R14: 0000000000<4>[ 66.476222] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 66.522436] CPU: 2 PID: 2178 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 66.531392] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 66.538312] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 66.544457] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 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>[ 66.565719] RSP: 0018:ffffbd970295fe48 EFLAGS: 00010286 <4>[ 66.571859] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 66.580127] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 <4>[ 66.588407] RBP: ffffffff97b82d93 R08: 0000000000000000 R09: 0000000000000000 <4>[ 66.596685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 66.604952] R13: ffffbd970295ff10 R14: ffffbd970295ff10 R15: ffff9d5045b5f000 <4>[ 66.613219] FS: 00007ff3b73b0580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 66.622544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 66.629265] CR2: 00007ff3b71ba000 CR3: 0000000103820000 CR4: 00000000003506e0 <4>[ 66.637528] Call Trace: <4>[ 66.640579] ? __warn+0x80/0x110 <4>[ 66.644493] ? refcount_warn_saturate+0xfb/0x110 <4>[ 66.649965] ? report_bug+0x9e/0xc0 <4>[ 66.654174] ? handle_bug+0x41/0x90 <4>[ 66.658380] ? exc_invalid_op+0x14/0x70 <4>[ 66.662968] ? asm_exc_invalid_op+0x12/0x20 <4>[ 66.667956] ? refcount_warn_saturate+0xfb/0x110 <4>[ 66.673422] ? refcount_warn_saturate+0xfb/0x110 <4>[ 66.678892] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 66.684550] direct_entry.cold+0x2c/0x38 <4>[ 66.689243] full_proxy_write+0x56/0x80 <4>[ 66.693845] vfs_write+0xea/0x3b0 <4>[ 66.697865] ksys_write+0x68/0xf0 <4>[ 66.701871] do_syscall_64+0x33/0x40 <4>[ 66.706169] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 66.712121] RIP: 0033:0x7ff3b72c6473 020000 R15: 0000000000020000 # [ 62.918090] irq event stamp: <4>[ 66.716419] 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 # [ 62.921809] hardirqs last enabled at (0): [<00000000000<6>[ 66.721563] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 66.743921] RSP: 002b:00007fff95266b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000>] 0x0 # [ 62.929122] hardirqs last disabled at (0): [[ 66.761015] platform MX98357A:00: deferred probe pending <4>[ 66.767214] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff3b72c6473 <6>[ 66.779641] pci 0000:00:1b.0: deferred probe pending <4>[ 66.793749] RDX: 0000000000000016 RSI: 00007ff3b71ba000 RDI: 0000000000000001 <4>[ 66.802028] RBP: 00007ff3b71ba000 R08: 00007ff3b71b9010 R09: 0000000000000000 <4>[ 66.810315] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 66.818595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 66.826885] irq event stamp: 0 <4>[ 66.830607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 66.837927] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 66.847375] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 66.856827] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 66.864141] ---[ end trace f8800554775ed3e8 ]--- fffffff95afd6cc>] copy_process+0x65c/0x20e0 # [ 62.938610] so<6>[ 66.869609] lkdtm: Negative detected: saturated ftirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 62.948086] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.955393] ---[ end trace f8800554775ed3e4 ]--- # [ 62.960850] 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 # [ 63.284361] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 63.296999] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 63.310361] ------------[ cut here ]------------ # [ 63.322069] refcount_t: saturated; leaking memory. # [ 63.333990] WARNING: CPU: 3 PID: 2076 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.350068] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 63.396123] CPU: 3 PID: 2076 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 63.411396] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.424343] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 63.436680] 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 48 d9 ad 97 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 a0 d9 ad # [ 63.464296] RSP: 0018:ffffbd97027d7e38 EFLAGS: 00010282 # [ 63.476523] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.491094] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 # [ 63.505497] RBP: ffffffff97b829a8 R08: 0000000000000000 R09: 0000000000000000 # [ 63.520027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.534483] R13: ffffbd97027d7f10 R14: ffffbd97027d7f10 R15: ffff9d5045b56000 # [ 63.549024] FS: 00007fb2b73bc580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ 63.564535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.577496] CR2: 00007fb2b71c6000 CR3: 000000010430e000 CR4: 00000000003506e0 # [ 63.591969] Call Trace: # [ 63.601257] ? __warn+0x80/0x110 # [ 63.611294] ? refcount_warn_saturate+0x97/0x110 # [ 63.623063] ? report_bug+0x9e/0xc0 # [ 63.633501] ? handle_bug+0x41/0x90 # [ 63.643768] ? exc_invalid_op+0x14/0x70 # [ 63.654712] ? asm_exc_invalid_op+0x12/0x20 # [ 63.665800] ? refcount_warn_saturate+0x97/0x110 # [ 63.677485] ? refcount_warn_saturate+0x97/0x110 # [ 63.689085] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.701692] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.714432] direct_entry.cold+0x2c/0x38 # [ 63.725448] full_proxy_write+0x56/0x80 # [ 63.736161] vfs_write+0xea/0x3b0 # [ 63.746355] ksys_write+0x68/0xf0 # [ 63.756633] do_syscall_64+0x33/0x40 # [ 63.767094] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 63.779256] RIP: 0033:0x7fb2b72d2473 # [ 63.789795] 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 # [ 63.817313] RSP: 002b:00007fffde7383e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.832269] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb2b72d2473 # [ 63.846767] RDX: 000000000000001f RSI: 00007fb2b71c6000 RDI: 0000000000000001 # [ 63.861258] RBP: 00007fb2b71c6000 R08: 00007fb2b71c5010 R09: 0000000000000000 # [ 63.875745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.890259] R13: 0000000000000001 <6>[ 67.254141] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE R14: 0000000000020000 R15: 0000000000020000 # [ 63.904744] ir<6>[ 67.268037] lkdtm: attempting bad refcount_dec_and_test() below zero q event stamp: 0 # [ 63.914693] hardirqs last enabled at (0)<4>[ 67.281643] ------------[ cut here ]------------ : [<0000000000000000>] 0x0 # [ 63.928199] hardirqs last disab<4>[ 67.293364] refcount_t: underflow; use-after-free. led at (0): [] copy_process+0x65c/0x20e0 # [ <4>[ 67.305249] WARNING: CPU: 3 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 63.943875] softirqs last enabled at (0): []<4>[ 67.321081] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table copy_process+0x65c/0x20e0 # [ 63.959517] softirqs last disab<4>[ 67.367283] CPU: 3 PID: 2216 Comm: cat Tainted: G D W 5.10.206-cip41 #1 led at (0): [<0000000000000000>] 0x0 # [ 63.973044] ---[ end <4>[ 67.382395] Hardware name: Google Coral/Coral, BIOS 09/29/2020 trace f8800554775ed3e5 ]--- # [ 63.984739] lkdtm: Overflow de<4>[ 67.395527] RIP: 0010:refcount_warn_saturate+0xba/0x110 tected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call t<4>[ 67.407893] 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 a0 d9 ad 97 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 race:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFL<4>[ 67.435341] RSP: 0018:ffffbd97029d7e40 EFLAGS: 00010286 OW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # <4>[ 67.447658] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.314536] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_Z<4>[ 67.462136] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 ERO_OVERFLOW # [ 64.327268] lkdtm: attempting bad refcount_ad<4>[ 67.476585] RBP: ffffffff97b829e8 R08: 0000000000000000 R09: 0000000000000000 d_not_zero() overflow # [ 64.340669] ------------[ cut here ]<4>[ 67.491073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ------------ # [ 64.352317] refcount_t: saturated; leaking me<4>[ 67.505586] R13: ffffbd97029d7f10 R14: ffffbd97029d7f10 R15: ffff9d5044339000 mory. # [ 64.364286] WARNING: CPU: 3 PID: 2109 at lib/refcoun<4>[ 67.520039] FS: 00007f66206c8580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 t.c:19 refcount_warn_saturate+0x97/0x110 # [ 64.380153] Modul<4>[ 67.535586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 es linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cr<4>[ 67.548537] CR2: 00007f66204d2000 CR3: 00000001064a8000 CR4: 00000000003506e0 os_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2<4>[ 67.563263] Call Trace: _vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi<4>[ 67.572231] ? __warn+0x80/0x110 x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da721<4>[ 67.582494] ? refcount_warn_saturate+0xba/0x110 9 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_c<4>[ 67.594137] ? report_bug+0x9e/0xc0 ompress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_ta<4>[ 67.604466] ? refcount_warn_saturate+0xba/0x110 ble # [ 64.426320] CPU: 3 PID: 2109 Comm: cat Tainted: G <4>[ 67.616115] ? handle_bug+0x41/0x90 D W 5.10.206-cip41 #1 # [ 64.441475] Hardware name: <4>[ 67.626493] ? exc_invalid_op+0x14/0x70 Google Coral/Coral, BIOS 09/29/2020 # [ 64.454588] RIP: 0010<4>[ 67.637275] ? asm_exc_invalid_op+0x12/0x20 :refcount_warn_saturate+0x97/0x110 # [ 64.466942] Code: 02 01<4>[ 67.648455] ? refcount_warn_saturate+0xba/0x110 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 <4>[ 67.659997] __refcount_sub_and_test.constprop.0+0x3c/0x50 48 c7 c7 48 d9 ad 97 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b<4>[ 67.672736] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 ad # <4>[ 67.685331] direct_entry.cold+0x2c/0x38 [ 64.494421] RSP: 0018:ffffbd9702847e38 EFLAGS: 00010282 # [ <4>[ 67.696354] full_proxy_write+0x56/0x80 64.506739] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 00<4>[ 67.707049] vfs_write+0xea/0x3b0 00000000000000 # [ 64.521225] RDX: ffff9d50bbdac620 RSI: ffff<4>[ 67.717258] ksys_write+0x68/0xf0 9d50bbd9bf50 RDI: ffff9d50bbd9bf50 # [ 64.535689] RBP: ffffff<4>[ 67.727468] do_syscall_64+0x33/0x40 ff97b829c8 R08: 0000000000000000 R09: 0000000000000000 # [ 64<4>[ 67.738013] entry_SYSCALL_64_after_hwframe+0x62/0xc7 .550188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000<4>[ 67.750105] RIP: 0033:0x7f66205de473 000000001f # [ 64.564654] R13: ffffbd9702847f10 R14: ffffbd97<4>[ 67.760609] 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 02847f10 R15: ffff9d5043c4a000 # [ 64.579136] FS: 00007ff64f<4>[ 67.788027] RSP: 002b:00007ffc58eaa4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 e95580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 #<4>[ 67.803080] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f66205de473 [ 64.594696] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003<4>[ 67.817540] RDX: 000000000000001f RSI: 00007f66204d2000 RDI: 0000000000000001 3 # [ 64.607631] CR2: 00007ff64fc9f000 CR3: 0000000106d18000 <4>[ 67.832049] RBP: 00007f66204d2000 R08: 00007f66204d1010 R09: 0000000000000000 CR4: 00000000003506e0 # [ 64.622341] Call Trace: # [ 64.63<4>[ 67.846492] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 1345] ? __warn+0x80/0x110 # [ 64.641609] ? refcount_warn_sa<4>[ 67.861011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 turate+0x97/0x110 # [ 64.653265] ? report_bug+0x9e/0xc0 # [<4>[ 67.875474] irq event stamp: 0 64.663594] ? handle_bug+0x41/0x90 # [ 64.673890] ? exc_i<4>[ 67.885313] hardirqs last enabled at (0): [<0000000000000000>] 0x0 nvalid_op+0x14/0x70 # [ 64.684727] ? asm_exc_invalid_op+0x12<4>[ 67.898879] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 /0x20 # [ 64.695867] ? refcount_warn_saturate+0x97/0x110 # <4>[ 67.914471] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 [ 64.707536] ? refcount_warn_saturate+0x97/0x110 # [ 64.71<4>[ 67.930135] softirqs last disabled at (0): [<0000000000000000>] 0x0 9151] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 64.7<4>[ 67.943648] ---[ end trace f8800554775ed3e9 ]--- 31842] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 64<6>[ 67.955296] lkdtm: Negative detected: saturated .744446] direct_entry.cold+0x2c/0x38 # [ 64.755500] full_proxy_write+0x56/0x80 # [ 64.766220] vfs_write+0xea/0x3b0 # [ 64.776449] ksys_write+0x68/0xf0 # [ 64.786667] do_syscall_64+0x33/0x40 # [ 64.797186] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 64.809246] RIP: 0033:0x7ff64fdab473 # [ 64.819854] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.847234] RSP: 002b:00007ffe85763d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.862349] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff64fdab473 # [ 64.876684] RDX: 000000000000001f RSI: 00007ff64fc9f000 RDI: 0000000000000001 # [ 64.891218] RBP: 00007ff64fc9f000 R08: 00007ff64fc9e010 R09: 0000000000000000 # [ 64.905654] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.920153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.934647] irq event stamp: 0 # [ 64.944566] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.958076] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 64.973714] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 64.989347] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.002865] ---[ end trace f8800554775ed3e6 ]--- # [ 65.014463] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 65.359475] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 65.367848] lkdtm: attempting good refcount_dec() # [ 65.379583] lkdtm: attempting bad refcount_dec() to zero # [ 65.392021] ------------[ cut here ]------------ # [ 65.403732] refcount_t: decrement hit 0; leaking memory. # [ 65.416223] WARNING: CPU: 3 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.432062] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 65.478327] CPU: 3 PID: 2142 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 65.493451] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.506573] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.518937] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 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 # [ 65.546405] RSP: 0018:ffffbd97028d7e48 EFLAGS: 00010286 # [ 65.558721] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 65.573202] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 # [ 65.587706] RBP: ffffffff97b82d81 R08: 0000000000000000 R09: 0000000000000000 # [ 65.602152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.616620] R13: ffffbd97028d7f10 R14: ffffbd97028d7f10 R15: ffff9d5044386000 # [ 65.631061] FS: 00007ff7edb8e580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ 65.646653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.659796] CR2: 00007ff7ed998000 CR3: 00000001045e4000 CR4: 00000000003506e0 # [ 65.674019] Call Trace: # [ 65.683373] ? __warn+0x80/0x110 # [ 65.693451] ? refcount_warn_saturat<6>[ 68.326898] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE e+0xfb/0x110 # [ 65.705025] ? report_bug+0x9e/0xc0 # [ 65<6>[ 68.341296] lkdtm: attempting bad refcount_sub_and_test() below zero .715437] ? refcount_warn_saturate+0xfb/0x110 # [ 65.727066] <4>[ 68.354366] ------------[ cut here ]------------ ? handle_bug+0x41/0x90 # [ 65.737459] ? exc_invalid_op+0x14<4>[ 68.366005] refcount_t: underflow; use-after-free. /0x70 # [ 65.748223] ? asm_exc_invalid_op+0x12/0x20 # [ 6<4>[ 68.378117] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 5.759419] ? refcount_warn_saturate+0xfb/0x110 # [ 65.771006]<4>[ 68.394052] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table ? refcount_warn_saturate+0xfb/0x110 # [ 65.782836] lkdtm_R<4>[ 68.439952] CPU: 3 PID: 2252 Comm: cat Tainted: G D W 5.10.206-cip41 #1 EFCOUNT_DEC_ZERO+0x4d/0xbd # [ 65.794197] direct_entry.cold+<4>[ 68.455111] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0x2c/0x38 # [ 65.805025] full_proxy_write+0x56/0x80 # [ 6<4>[ 68.468333] RIP: 0010:refcount_warn_saturate+0xba/0x110 5.815885] vfs_write+0xea/0x3b0 # [ 65.825975] ksys_write+0x<4>[ 68.480553] 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 a0 d9 ad 97 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 68/0xf0 # [ 65.836327] do_syscall_64+0x33/0x40 # [ 65.846<4>[ 68.508174] RSP: 0018:ffffbd9702a5fe40 EFLAGS: 00010286 797] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 65.858965]<4>[ 68.520415] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 RIP: 0033:0x7ff7edaa4473 # [ 65.869294] Code: 8b 15 21 2a 0e<4>[ 68.534902] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 <4>[ 68.549284] RBP: ffffffff97b82a08 R08: 0000000000000000 R09: 0000000000000000 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff<4>[ 68.563890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.89<4>[ 68.578235] R13: ffffbd9702a5ff10 R14: ffffbd9702a5ff10 R15: ffff9d50446d5000 6881] RSP: 002b:00007ffd231151e8 EFLAGS: 00000246 ORIG_RAX: 0000<4>[ 68.592667] FS: 00007f8687846580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 000000000001 # [ 65.911681] RAX: ffffffffffffffda RBX: 000000<4>[ 68.608164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000012 RCX: 00007ff7edaa4473 # [ 65.926272] RDX: 00000000<4>[ 68.621087] CR2: 00007f8687650000 CR3: 0000000105914000 CR4: 00000000003506e0 00000012 RSI: 00007ff7ed998000 RDI: 0000000000000001 # [ 65.9<4>[ 68.635499] Call Trace: 40701] RBP: 00007ff7ed998000 R08: 00007ff7ed997010 R09: 00000000<4>[ 68.644717] ? __warn+0x80/0x110 00000000 # [ 65.955106] R10: fffffffffffffbc5 R11: 0000000000<4>[ 68.654872] ? refcount_warn_saturate+0xba/0x110 000246 R12: 0000000000000001 # [ 65.969562] R13: 000000000000<4>[ 68.666494] ? report_bug+0x9e/0xc0 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.98401<4>[ 68.676852] ? handle_bug+0x41/0x90 8] irq event stamp: 0 # [ 65.993905] hardirqs last enabled a<4>[ 68.687304] ? exc_invalid_op+0x14/0x70 t (0): [<0000000000000000>] 0x0 # [ 66.007449] hardirqs last <4>[ 68.698033] ? asm_exc_invalid_op+0x12/0x20 disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 68.709200] ? refcount_warn_saturate+0xba/0x110 # [ 66.023041] softirqs last enabled at (0): [[ 68.720857] __refcount_sub_and_test.constprop.0+0x3c/0x50 6cc>] copy_process+0x65c/0x20e0 # [ 66.038710] softirqs last <4>[ 68.733451] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b disabled at (0): [<0000000000000000>] 0x0 # [ 66.052193] ---[<4>[ 68.746204] direct_entry.cold+0x2c/0x38 end trace f8800554775ed3e7 ]--- # [ 66.063849] lkdtm: Zero d<4>[ 68.757072] full_proxy_write+0x56/0x80 etected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok <4>[ 68.767828] vfs_write+0xea/0x3b0 ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm<4>[ 68.778030] ksys_write+0x68/0xf0 : REFCOUNT_DEC_NEGATIVE.sh # [ 66.435577] lkdtm: Performing d<4>[ 68.788222] do_syscall_64+0x33/0x40 irect entry REFCOUNT_DEC_NEGATIVE # [ 66.448189] lkdtm: attem<4>[ 68.798713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 pting bad refcount_dec() below zero # [ 66.454732] ----------<4>[ 68.810890] RIP: 0033:0x7f868775c473 --[ cut here ]------------ # [ 66.460197] refcount_t: decreme<4>[ 68.821366] 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 nt hit 0; leaking memory. # [ 66.466489] WARNING: CPU: 2 PID:<4>[ 68.848861] RSP: 002b:00007ffff3698688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # <4>[ 68.863800] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f868775c473 [ 66.476222] Modules linked in: fuse ip_tables cros_ec_debugfs<4>[ 68.878260] RDX: 000000000000001f RSI: 00007f8687650000 RDI: 0000000000000001 cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cro<4>[ 68.892719] RBP: 00007f8687650000 R08: 00007f868764f010 R09: 0000000000000000 s_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops<4>[ 68.907210] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_<4>[ 68.921654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_so<4>[ 68.936163] irq event stamp: 0 c_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeo<4>[ 68.946059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 s_pstore coreboot_table # [ 66.522436] CPU: 2 PID: 2178 Comm:<4>[ 68.959597] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 cat Tainted: G D W 5.10.206-cip41 #1 # [ 66.531<4>[ 68.975346] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 392] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ <4>[ 68.990926] softirqs last disabled at (0): [<0000000000000000>] 0x0 66.538312] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66<4>[ 69.004450] ---[ end trace f8800554775ed3ea ]--- .544457] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0<6>[ 69.016100] lkdtm: Negative detected: saturated f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 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 # [ 66.565719] RSP: 0018:ffffbd970295fe48 EFLAGS: 00010286 # [ 66.571859] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 66.580127] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 # [ 66.588407] RBP: ffffffff97b82d93 R08: 0000000000000000 R09: 0000000000000000 # [ 66.596685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 66.604952] R13: ffffbd970295ff10 R14: ffffbd970295ff10 R15: ffff9d5045b5f000 # [ 66.613219] FS: 00007ff3b73b0580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 66.622544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.629265] CR2: 00007ff3b71ba000 CR3: 0000000103820000 CR4: 00000000003506e0 # [ 66.637528] Call Trace: # [ 66.640579] ? __warn+0x80/0x110 # [ 66.644493] ? refcount_warn_saturate+0xfb/0x110 # [ 66.649965] ? report_bug+0x9e/0xc0 # [ 66.654174] ? handle_bug+0x41/0x90 # [ 66.658380] ? exc_invalid_op+0x14/0x70 # [ 66.662968] ? asm_exc_invalid_op+0x12/0x20 # [ 66.667956] ? refcount_warn_saturate+0xfb/0x110 # [ 66.673422] ? refcount_warn_saturate+0xfb/0x110 # [ 66.678892] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 66.684550] direct_entry.cold+0x2c/0x38 # [ 66.689243] full_proxy_write+0x56/0x80 # [ 66.693845] vfs_write+0xea/0x3b0 # [ 66.697865] ksys_write+0x68/0xf0 # [ 66.701871] do_syscall_64+0x33/0x40 # [ 66.706169] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 66.712121] RIP: 0033:0x7ff3b72c6473 # [ 66.716419] 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 # [ 66.721563] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) # [ 66.743921] RSP: 002b:00007fff95266b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.761015] platform MX98357A:00: deferred probe pending # [ 66.767214] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff3b72c6473 # [ 66.779641] pci 0000:00:1b.0: deferred probe pending # [ 66.793749] RDX: 0000000000000016 RSI: 00007ff3b71ba000 RDI: 0000000000000001 # [ 66.802028] RBP: 00007ff3b71ba000 R08: 00007ff3b71b9010 R09: 0000000000000000 # [ 66.810315] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.818595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.826885] irq event stamp: 0 # [ 66.830607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.837927] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 66.847375] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 66.856827] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.864141] ---[ end trace f8800554775ed3e8 ]--- # [ 66.869609] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 67.254141] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 67.268037] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 67.281643] ------------[ cut here ]------------ # [ 67.293364] refcount_t: underflow; use-after-free. # [ 67.305249] WARNING: CPU: 3 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 67.321081] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 67.367283] CPU: 3 PID: 2216 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 67.382395] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.395527] RIP: 0010:refc<6>[ 69.431232] lkdtm: Performing direct entry REFCOUNT_INC_ZERO ount_warn_saturate+0xba/0x110 # [ 67.407893] Code: 02 01 e8 c<6>[ 69.444013] lkdtm: attempting safe refcount_inc_not_zero() from zero 3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7<6>[ 69.457621] lkdtm: Good: zero detected c7 a0 d9 ad 97 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 c<6>[ 69.468329] lkdtm: Correctly stayed at zero c cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 6<6>[ 69.479515] lkdtm: attempting bad refcount_inc() from zero 7.435341] RSP: 0018:ffffbd97029d7e40 EFLAGS: 00010286 # [ 67.<4>[ 69.492133] ------------[ cut here ]------------ 447658] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000<4>[ 69.503764] refcount_t: addition on 0; use-after-free. 000000000 # [ 67.462136] RDX: ffff9d50bbdac620 RSI: ffff9d50b<4>[ 69.516044] WARNING: CPU: 3 PID: 2285 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 bd9bf50 RDI: ffff9d50bbd9bf50 # [ 67.476585] RBP: ffffffff97b<4>[ 69.531901] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 829e8 R08: 0000000000000000 R09: 0000000000000000 # [ 67.4910<4>[ 69.578105] CPU: 3 PID: 2285 Comm: cat Tainted: G D W 5.10.206-cip41 #1 73] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000<4>[ 69.593220] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0001f # [ 67.505586] R13: ffffbd97029d7f10 R14: ffffbd97029d7<4>[ 69.606346] RIP: 0010:refcount_warn_saturate+0x74/0x110 f10 R15: ffff9d5044339000 # [ 67.520039] FS: 00007f66206c858<4>[ 69.618653] 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 70 d9 ad 97 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 48 d9 ad 0(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ <4>[ 69.646106] RSP: 0018:ffffbd9702af7e48 EFLAGS: 00010286 67.535586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # <4>[ 69.658401] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 67.548537] CR2: 00007f66204d2000 CR3: 00000001064a8000 CR4: <4>[ 69.672879] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 00000000003506e0 # [ 67.563263] Call Trace: # [ 67.572231]<4>[ 69.687337] RBP: ffffffff97b82da9 R08: 0000000000000000 R09: 0000000000000000 ? __warn+0x80/0x110 # [ 67.582494] ? refcount_warn_saturat<4>[ 69.701850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 e+0xba/0x110 # [ 67.594137] ? report_bug+0x9e/0xc0 # [ 67<4>[ 69.716312] R13: ffffbd9702af7f10 R14: ffffbd9702af7f10 R15: ffff9d5045bad000 .604466] ? refcount_warn_saturate+0xba/0x110 # [ 67.616115] <4>[ 69.730888] FS: 00007fbb80cfe580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 ? handle_bug+0x41/0x90 # [ 67.626493] ? exc_invalid_op+0x14<4>[ 69.746686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /0x70 # [ 67.637275] ? asm_exc_invalid_op+0x12/0x20 # [ 6<4>[ 69.759337] CR2: 00007fbb80b08000 CR3: 0000000103f18000 CR4: 00000000003506e0 7.648455] ? refcount_warn_saturate+0xba/0x110 # [ 67.659997]<4>[ 69.773991] Call Trace: __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 67.672736<4>[ 69.783236] ? __warn+0x80/0x110 ] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 67.6853<4>[ 69.793183] ? refcount_warn_saturate+0x74/0x110 31] direct_entry.cold+0x2c/0x38 # [ 67.696354] full_proxy_w<4>[ 69.804866] ? report_bug+0x9e/0xc0 rite+0x56/0x80 # [ 67.707049] vfs_write+0xea/0x3b0 # [ 67<4>[ 69.815350] ? handle_bug+0x41/0x90 .717258] ksys_write+0x68/0xf0 # [ 67.727468] do_syscall_64+<4>[ 69.825701] ? exc_invalid_op+0x14/0x70 0x33/0x40 # [ 67.738013] entry_SYSCALL_64_after_hwframe+0x62<4>[ 69.836494] ? asm_exc_invalid_op+0x12/0x20 /0xc7 # [ 67.750105] RIP: 0033:0x7f66205de473 # [ 67.76060<4>[ 69.847683] ? refcount_warn_saturate+0x74/0x110 9] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e<4>[ 69.859392] ? refcount_warn_saturate+0x74/0x110 b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00<4>[ 69.871011] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8<4>[ 69.882507] direct_entry.cold+0x2c/0x38 9 54 24 18 # [ 67.788027] RSP: 002b:00007ffc58eaa4a8 EFLAGS: <4>[ 69.893369] full_proxy_write+0x56/0x80 00000246 ORIG_RAX: 0000000000000001 # [ 67.803080] RAX: fffff<4>[ 69.904194] vfs_write+0xea/0x3b0 fffffffffda RBX: 000000000000001f RCX: 00007f66205de473 # [ 6<4>[ 69.914365] ksys_write+0x68/0xf0 7.817540] RDX: 000000000000001f RSI: 00007f66204d2000 RDI: 00000<4>[ 69.924764] do_syscall_64+0x33/0x40 00000000001 # [ 67.832049] RBP: 00007f66204d2000 R08: 00007f6<4>[ 69.935102] entry_SYSCALL_64_after_hwframe+0x62/0xc7 6204d1010 R09: 0000000000000000 # [ 67.846492] R10: fffffffff<4>[ 69.947357] RIP: 0033:0x7fbb80c14473 ffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.86<4>[ 69.957789] 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 1011] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000<4>[ 69.985314] RSP: 002b:00007ffc4645a448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0020000 # [ 67.875474] irq event stamp: 0 # [ 67.885313] h<4>[ 70.000266] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbb80c14473 ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67<4>[ 70.014781] RDX: 0000000000000012 RSI: 00007fbb80b08000 RDI: 0000000000000001 .898879] hardirqs last disabled at (0): [] cop<4>[ 70.029192] RBP: 00007fbb80b08000 R08: 00007fbb80b07010 R09: 0000000000000000 y_process+0x65c/0x20e0 # [ 67.914471] softirqs last enabled <4>[ 70.043673] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 at (0): [] copy_process+0x65c/0x20e0 # [ 67<4>[ 70.058139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .930135] softirqs last disabled at (0): [<0000000000000000>] 0x0<4>[ 70.072724] irq event stamp: 0 # [ 67.943648] ---[ end trace f8800554775ed3e9 ]--- # [ 6<4>[ 70.082530] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7.955296] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AN<4>[ 70.096241] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 D_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 s<4>[ 70.111729] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 elftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests:<4>[ 70.127428] softirqs last disabled at (0): [<0000000000000000>] 0x0 lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 68.326898] lkdt<4>[ 70.140891] ---[ end trace f8800554775ed3eb ]--- m: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ <6>[ 70.152562] lkdtm: Zero detected: saturated 68.341296] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 68.354366] ------------[ cut here ]------------ # [ 68.366005] refcount_t: underflow; use-after-free. # [ 68.378117] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 68.394052] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 68.439952] CPU: 3 PID: 2252 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 68.455111] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.468333] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 68.480553] 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 a0 d9 ad 97 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 # [ 68.508174] RSP: 0018:ffffbd9702a5fe40 EFLAGS: 00010286 # [ 68.520415] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 68.534902] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 # [ 68.549284] RBP: ffffffff97b82a08 R08: 0000000000000000 R09: 0000000000000000 # [ 68.563890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 68.578235] R13: ffffbd9702a5ff10 R14: ffffbd9702a5ff10 R15: ffff9d50446d5000 # [ 68.592667] FS: 00007f8687846580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ 68.608164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.621087] CR2: 00007f8687650000 CR3: 0000000105914000 CR4: 00000000003506e0 # [ 68.635499] Call Trace: # [ 68.644717] ? __warn+0x80/0x110 # [ 68.654872] ? refcount_warn_saturate+0xba/0x110 # [ 68.666494] ? report_bug+0x9e/0xc0 # [ 68.676852] ? handle_bug+0x41/0x90 # [ 68.687304] ? exc_invalid_op+0x14/0x70 # [ 68.698033] ? asm_exc_invalid_op+0x12/0x20 # [ 68.709200] ? refcount_warn_saturate+0xba/0x110 # [ 68.720857] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 68.733451] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 68.746204] direct_entry.cold+0x2c/0x38 # [ 68.757072] full_proxy_write+0x56/0x80 # [ 68.767828] vfs_write+0xea/0x3b0 # [ 68.778030] ksys_write+0x68/0xf0 # [ 68.788222] do_syscall_64+0x33/0x40 # [ 68.798713] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 68.810890] RIP: 0033:0x7f868775c473 # [ 68.821366] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.848861] RSP: 002b:00007ffff3698688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.863800] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f868775c473 # [ 68.878260] RDX: 000000000000001f RSI: 00007f8687650000 RDI: 0000000000000001 # [ 68.892719] RBP: 00007f8687650000 R08: 00007f868764f010 R09: 0000000000000000 # [ 68.907210] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.921654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.936163] irq event stamp: 0 # [ 68.946059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.959597] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 68.975346] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 68.990926] softirqs last disabled at (0): [<0000000000000000>] 0x0 #<6>[ 70.527372] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 70.536534] lkdtm: attempting safe refcount_add_not_zero() from zero [ 69.004450] ---[ end trace f8800554775ed3ea ]--- # [ 69.0<6>[ 70.543942] lkdtm: Good: zero detected 16100] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_T<6>[ 70.554618] lkdtm: Correctly stayed at zero EST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 self<6>[ 70.565776] lkdtm: attempting bad refcount_add() from zero <4>[ 70.578416] ------------[ cut here ]------------ <4>[ 70.583889] refcount_t: addition on 0; use-after-free. tests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lk<4>[ 70.589995] WARNING: CPU: 0 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 dtm: REFCOUNT_INC_ZERO.sh # [ 69.431232] lkdtm: Performing di<4>[ 70.605923] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table rect entry REFCOUNT_INC_ZERO # [ 69.444013] lkdtm: attempting<4>[ 70.652237] CPU: 0 PID: 2318 Comm: cat Tainted: G D W 5.10.206-cip41 #1 safe refcount_inc_not_zero() from zero # [ 69.457621] lkdtm:<4>[ 70.667377] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 70.680505] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 70.686646] 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 70 d9 ad 97 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 48 d9 ad <4>[ 70.707921] RSP: 0018:ffffbd9702b87e48 EFLAGS: 00010286 <4>[ 70.714056] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 70.722316] RDX: ffff9d50bbc2c620 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50 <4>[ 70.730580] RBP: ffffffff97b82dbb R08: 0000000000000000 R09: 0000000000000000 <4>[ 70.738845] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 70.747108] R13: ffffbd9702b87f10 R14: ffffbd9702b87f10 R15: ffff9d5046497000 <4>[ 70.755370] FS: 00007fac25305580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 <4>[ 70.764705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 70.771417] CR2: 00007fac2510f000 CR3: 0000000105914000 CR4: 00000000003506f0 <4>[ 70.779677] Call Trace: <4>[ 70.782726] ? __warn+0x80/0x110 Good: zero detected # [ 69.468329] lkdtm: Correctly stayed a<4>[ 70.786636] ? refcount_warn_saturate+0x74/0x110 <4>[ 70.798265] ? report_bug+0x9e/0xc0 <4>[ 70.802470] ? handle_bug+0x41/0x90 <4>[ 70.806668] ? exc_invalid_op+0x14/0x70 <4>[ 70.811261] ? asm_exc_invalid_op+0x12/0x20 <4>[ 70.816243] ? refcount_warn_saturate+0x74/0x110 <4>[ 70.821703] ? refcount_warn_saturate+0x74/0x110 <4>[ 70.827171] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 t zero # [ 69.479515] lkdtm: attempting bad refcount_inc() fr<4>[ 70.832445] direct_entry.cold+0x2c/0x38 <4>[ 70.843316] full_proxy_write+0x56/0x80 om zero # [ 69.492133] ------------[ cut here ]------------ <4>[ 70.847919] vfs_write+0xea/0x3b0 <4>[ 70.858100] ksys_write+0x68/0xf0 <4>[ 70.862113] do_syscall_64+0x33/0x40 <4>[ 70.866421] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 70.872378] RIP: 0033:0x7fac2521b473 <4>[ 70.876683] 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>[ 70.897957] RSP: 002b:00007ffdfb2038a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 70.906723] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac2521b473 # [ 69.503764] refcount_t: addition on 0; use-after-free. # [<4>[ 70.914986] RDX: 0000000000000012 RSI: 00007fac2510f000 RDI: 0000000000000001 <4>[ 70.929443] RBP: 00007fac2510f000 R08: 00007fac2510e010 R09: 0000000000000000 <4>[ 70.937704] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 69.516044] WARNING: CPU: 3 PID: 2285 at lib/refcount.c:25 ref<4>[ 70.945979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 70.960477] irq event stamp: 0 <4>[ 70.964192] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 70.971485] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 70.980918] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 70.990343] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 70.997639] ---[ end trace f8800554775ed3ec ]--- <6>[ 71.003092] lkdtm: Zero detected: saturated count_warn_saturate+0x74/0x110 # [ 69.531901] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 69.578105] CPU: 3 PID: 2285 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 69.593220] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.606346] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 69.618653] 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 70 d9 ad 97 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 48 d9 ad # [ 69.646106] RSP: 0018:ffffbd9702af7e48 EFLAGS: 00010286 # [ 69.658401] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 69.672879] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 # [ 69.687337] RBP: ffffffff97b82da9 R08: 0000000000000000 R09: 0000000000000000 # [ 69.701850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 69.716312] R13: ffffbd9702af7f10 R14: ffffbd9702af7f10 R15: ffff9d5045bad000 # [ 69.730888] FS: 00007fbb80cfe580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ 69.746686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.759337] CR2: 00007fbb80b08000 CR3: 0000000103f18000 CR4: 00000000003506e0 # [ 69.773991] Call Trace: # [ 69.783236] ? __warn+0x80/0x110 # [ 69.793183] ? refcount_warn_saturate+0x74/0x110 # [ 69.804866] ? report_bug+0x9e/0xc0 # [ 69.815350] ? handle_bug+0x41/0x90 # [ 69.825701] ? exc_invalid_op+0x14/0x70 # [ 69.836494] ? asm_exc_invalid_op+0x12/0x20 # [ 69.847683] ? refcount_warn_saturate+0x74/0x110 # [ 69.859392] ? refcount_warn_saturate+0x74/0x110 # [ 69.871011] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 69.882507] direct_entry.cold+0x2c/0x38 # [ 69.893369] full_proxy_write+0x56/0x80 # [ 69.904194] vfs_write+0xea/0x3b0 # [ 69.914365] ksys_write+0x68/0xf0 # [ 69.924764] do_syscall_64+0x33/0x40 # [ 69.935102] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 69.947357] RIP: 0033:0x7fbb80c14473 # [ 69.957789] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.985314] RSP: 002b:00007ffc4645a448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.000266] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbb80c14473 # [ 70.014781] RDX: 0000000000000012 RSI: 00007fbb80b08000 RDI: 0000000000000001 # [ 70.029192] RBP: 00007fbb80b08000 R08: 00007fbb80b07010 R09: 0000000000000000 # [ 70.043673] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.058139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.072724] irq event stamp: 0 # [ 70.082530] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.096241] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.111729] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.127428] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.140891] ---[ end trace f8800554775ed3eb ]--- # [ 70.152562] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 70.527372] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 70.536534] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 70.543942] lkdtm: Good: zero detected # [ 70.554618] lkdtm: Correctly stayed <6>[ 71.388793] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED at zero # [ 70.565776] lkdtm: attempting bad refcount_add() f<6>[ 71.400018] lkdtm: attempting bad refcount_inc() from saturated <4>[ 71.413147] ------------[ cut here ]------------ <4>[ 71.418615] refcount_t: saturated; leaking memory. <4>[ 71.424319] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 rom zero # [ 70.578416] ------------[ cut here ]------------ <4>[ 71.434055] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 71.480257] CPU: 1 PID: 2354 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 71.489219] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 71.496143] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 71.502294] 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 48 d9 ad 97 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 70 d9 ad <4>[ 71.523544] RSP: 0018:ffffbd9702c07e48 EFLAGS: 00010286 <4>[ 71.529682] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 71.537946] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 <4>[ 71.546218] RBP: ffffffff97b82dcd R08: 0000000000000000 R09: 0000000000000000 <4>[ 71.554484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 71.562747] R13: ffffbd9702c07f10 R14: ffffbd9702c07f10 R15: ffff9d504383e000 # [ 70.583889] refcount_t: addition on 0; use-after-free. # <4>[ 71.571024] FS: 00007f288a07e580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 71.586546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 71.593266] CR2: 00007f2889e88000 CR3: 0000000104242000 CR4: 00000000003506e0 <4>[ 71.601543] Call Trace: <4>[ 71.604594] ? __warn+0x80/0x110 <4>[ 71.608507] ? refcount_warn_saturate+0x51/0x110 <4>[ 71.613985] ? report_bug+0x9e/0xc0 <4>[ 71.618202] ? handle_bug+0x41/0x90 <4>[ 71.622409] ? exc_invalid_op+0x14/0x70 <4>[ 71.627003] ? asm_exc_invalid_op+0x12/0x20 [ 70.589995] WARNING: CPU: 0 PID: 2318 at lib/refcount.c:25 re<4>[ 71.631991] ? refcount_warn_saturate+0x51/0x110 <4>[ 71.643617] ? refcount_warn_saturate+0x51/0x110 <4>[ 71.649078] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 71.654831] direct_entry.cold+0x2c/0x38 <4>[ 71.659517] full_proxy_write+0x56/0x80 <4>[ 71.664116] vfs_write+0xea/0x3b0 fcount_warn_saturate+0x74/0x110 # [ 70.605923] Modules linked<4>[ 71.668135] ksys_write+0x68/0xf0 in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_<4>[ 71.678355] do_syscall_64+0x33/0x40 logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc <4>[ 71.688843] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 71.700986] RIP: 0033:0x7f2889f94473 <4>[ 71.705287] 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>[ 71.726543] RSP: 002b:00007fff2beb2828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 71.735354] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2889f94473 <4>[ 71.743658] RDX: 0000000000000017 RSI: 00007f2889e88000 RDI: 0000000000000001 <4>[ 71.751924] RBP: 00007f2889e88000 R08: 00007f2889e87010 R09: 0000000000000000 <4>[ 71.760188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 71.768464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 71.776749] irq event stamp: 0 <4>[ 71.780466] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 71.787768] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 71.797193] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 71.806620] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 71.813923] ---[ end trace f8800554775ed3ed ]--- <6>[ 71.819389] lkdtm: Saturation detected: still saturated cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 70.652237] CPU: 0 PID: 2318 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 70.667377] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.680505] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 70.686646] 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 70 d9 ad 97 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 48 d9 ad # [ 70.707921] RSP: 0018:ffffbd9702b87e48 EFLAGS: 00010286 # [ 70.714056] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 70.722316] RDX: ffff9d50bbc2c620 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50 # [ 70.730580] RBP: ffffffff97b82dbb R08: 0000000000000000 R09: 0000000000000000 # [ 70.738845] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 70.747108] R13: ffffbd9702b87f10 R14: ffffbd9702b87f10 R15: ffff9d5046497000 # [ 70.755370] FS: 00007fac25305580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 # [ 70.764705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.771417] CR2: 00007fac2510f000 CR3: 0000000105914000 CR4: 00000000003506f0 # [ 70.779677] Call Trace: # [ 70.782726] ? __warn+0x80/0x110 # [ 70.786636] ? refcount_warn_saturate+0x74/0x110 # [ 70.798265] ? report_bug+0x9e/0xc0 # [ 70.802470] ? handle_bug+0x41/0x90 # [ 70.806668] ? exc_invalid_op+0x14/0x70 # [ 70.811261] ? asm_exc_invalid_op+0x12/0x20 # [ 70.816243] ? refcount_warn_saturate+0x74/0x110 # [ 70.821703] ? refcount_warn_saturate+0x74/0x110 # [ 70.827171] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 70.832445] direct_entry.cold+0x2c/0x38 # [ 70.843316] full_proxy_write+0x56/0x80 # [ 70.847919] vfs_write+0xea/0x3b0 # [ 70.858100] ksys_write+0x68/0xf0 # [ 70.862113] do_syscall_64+0x33/0x40 # [ 70.866421] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 70.872378] RIP: 0033:0x7fac2521b473 # [ 70.876683] 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 # [ 70.897957] RSP: 002b:00007ffdfb2038a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.906723] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac2521b473 # [ 70.914986] RDX: 0000000000000012 RSI: 00007fac2510f000 RDI: 0000000000000001 # [ 70.929443] RBP: 00007fac2510f000 R08: 00007fac2510e010 R09: 0000000000000000 # [ 70.937704] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.945979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.960477] irq event stamp: 0 # [ 70.964192] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.971485] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.980918] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.990343] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.997639] ---[ end trace f8800554775ed3ec ]--- # [ 71.003092] 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 # [ 71.388793] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 71.400018] lkdtm: attempting bad refcount_inc() from saturated # [ 71.413147] ------------[ cut here ]------------ # [ 71.418615] refcount_t: saturated; leaking memory. # [ 71.424319] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 71.434055] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_m<6>[ 72.220121] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 72.229727] lkdtm: attempting bad refcount_dec() from saturated <4>[ 72.236661] ------------[ cut here ]------------ <4>[ 72.242120] refcount_t: decrement hit 0; leaking memory. <4>[ 72.248405] WARNING: CPU: 2 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 emops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev video<4>[ 72.258124] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 72.304329] CPU: 2 PID: 2390 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 72.313272] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 72.320196] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 72.326331] Code: f8 d9 ad 97 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 ad 97 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>[ 72.347582] RSP: 0018:ffffbd9702c87e48 EFLAGS: 00010286 <4>[ 72.353720] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 72.361992] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 <4>[ 72.370271] RBP: ffffffff97b82de4 R08: 0000000000000000 R09: 0000000000000000 <4>[ 72.378544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 72.386810] R13: ffffbd9702c87f10 R14: ffffbd9702c87f10 R15: ffff9d5045809000 <4>[ 72.395083] FS: 00007fdca35ac580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 72.404415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 72.411130] CR2: 00007fdca33b6000 CR3: 00000001064a8000 CR4: 00000000003506e0 <4>[ 72.419393] Call Trace: <4>[ 72.422445] ? __warn+0x80/0x110 <4>[ 72.426361] ? refcount_warn_saturate+0xfb/0x110 <4>[ 72.431836] ? report_bug+0x9e/0xc0 <4>[ 72.436050] ? handle_bug+0x41/0x90 <4>[ 72.440258] ? exc_invalid_op+0x14/0x70 <4>[ 72.444854] ? asm_exc_invalid_op+0x12/0x20 <4>[ 72.449840] ? refcount_warn_saturate+0xfb/0x110 <4>[ 72.455308] ? refcount_warn_saturate+0xfb/0x110 <4>[ 72.460781] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 72.466541] direct_entry.cold+0x2c/0x38 <4>[ 72.471244] full_proxy_write+0x56/0x80 <4>[ 72.475853] vfs_write+0xea/0x3b0 <4>[ 72.479873] ksys_write+0x68/0xf0 <4>[ 72.483895] do_syscall_64+0x33/0x40 <4>[ 72.488200] entry_SYSCALL_64_after_hwframe+0x62/0xc7 buf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify s<4>[ 72.494163] RIP: 0033:0x7fdca34c2473 nd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c ch<4>[ 72.504674] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 72.532127] RSP: 002b:00007ffd426c0678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 72.540891] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdca34c2473 <4>[ 72.549168] RDX: 0000000000000017 RSI: 00007fdca33b6000 RDI: 0000000000000001 <4>[ 72.557486] RBP: 00007fdca33b6000 R08: 00007fdca33b5010 R09: 0000000000000000 romeos_pstore coreboot_table # [ 71.480257] CPU: 1 PID: 2354 <4>[ 72.565795] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 72.580276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 72.588570] irq event stamp: 0 <4>[ 72.592296] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 72.599610] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 72.609060] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 72.618508] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 72.625819] ---[ end trace f8800554775ed3ee ]--- <6>[ 72.631286] lkdtm: Saturation detected: still saturated Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 71.489219] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.496143] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 71.502294] 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 48 d9 ad 97 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 70 d9 ad # [ 71.523544] RSP: 0018:ffffbd9702c07e48 EFLAGS: 00010286 # [ 71.529682] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 71.537946] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 # [ 71.546218] RBP: ffffffff97b82dcd R08: 0000000000000000 R09: 0000000000000000 # [ 71.554484] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 71.562747] R13: ffffbd9702c07f10 R14: ffffbd9702c07f10 R15: ffff9d504383e000 # [ 71.571024] FS: 00007f288a07e580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 71.586546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.593266] CR2: 00007f2889e88000 CR3: 0000000104242000 CR4: 00000000003506e0 # [ 71.601543] Call Trace: # [ 71.604594] ? __warn+0x80/0x110 # [ 71.608507] ? refcount_warn_saturate+0x51/0x110 # [ 71.613985] ? report_bug+0x9e/0xc0 # [ 71.618202] ? handle_bug+0x41/0x90 # [ 71.622409] ? exc_invalid_op+0x14/0x70 # [ 71.627003] ? asm_exc_invalid_op+0x12/0x20 # [ 71.631991] ? refcount_warn_saturate+0x51/0x110 # [ 71.643617] ? refcount_warn_saturate+0x51/0x110 # [ 71.649078] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 71.654831] direct_entry.cold+0x2c/0x38 # [ 71.659517] full_proxy_write+0x56/0x80 # [ 71.664116] vfs_write+0xea/0x3b0 # [ 71.668135] ksys_write+0x68/0xf0 # [ 71.678355] do_syscall_64+0x33/0x40 # [ 71.688843] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 71.700986] RIP: 0033:0x7f2889f94473 # [ 71.705287] 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 # [ 71.726543] RSP: 002b:00007fff2beb2828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.735354] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2889f94473 # [ 71.743658] RDX: 0000000000000017 RSI: 00007f2889e88000 RDI: 0000000000000001 # [ 71.751924] RBP: 00007f2889e88000 R08: 00007f2889e87010 R09: 0000000000000000 # [ 71.760188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.768464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.776749] irq event stamp: 0 # [ 71.780466] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.787768] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 71.797193] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 71.806620] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.813923] ---[ end trace f8800554775ed3ed ]--- # [ 71.819389] 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 # [ 72.220121] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 72.229727] lkdtm: attempting bad refcount_dec() from saturated # [ 72.236661] ------------[ cut here ]------------ # [ 72.242120] refcount_t: decrement hit 0; leaking memory. # [ 72.248405] WARNING: CPU: 2 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 72.258124] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_te<6>[ 73.015596] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 73.023395] lkdtm: attempting bad refcount_dec() from saturated mp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_m<4>[ 73.030340] ------------[ cut here ]------------ ax98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd<4>[ 73.042004] refcount_t: saturated; leaking memory. _pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ <4>[ 73.053915] WARNING: CPU: 0 PID: 2426 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 72.304329] CPU: 2 PID: 2390 Comm: cat Tainted: G D W <4>[ 73.069823] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 73.116099] CPU: 0 PID: 2426 Comm: cat Tainted: G D W 5.10.206-cip41 #1 5.10.206-cip41 #1 # [ 72.313272] Hardware name: Google Cora<4>[ 73.125067] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 73.138182] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 73.144324] 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 48 d9 ad 97 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 70 d9 ad <4>[ 73.165607] RSP: 0018:ffffbd9702cffe48 EFLAGS: 00010286 <4>[ 73.171756] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 73.180038] RDX: ffff9d50bbc2c620 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50 <4>[ 73.188319] RBP: ffffffff97b82dfb R08: 0000000000000000 R09: 0000000000000000 <4>[ 73.196586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 73.204856] R13: ffffbd9702cfff10 R14: ffffbd9702cfff10 R15: ffff9d5045ade000 <4>[ 73.213128] FS: 00007f84ac5e2580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 <4>[ 73.222452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 73.229180] CR2: 00007f84ac3ec000 CR3: 0000000105914000 CR4: 00000000003506f0 <4>[ 73.237451] Call Trace: <4>[ 73.240500] ? __warn+0x80/0x110 l/Coral, BIOS 09/29/2020 # [ 72.320196] RIP: 0010:refcount_w<4>[ 73.244414] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.256053] ? report_bug+0x9e/0xc0 <4>[ 73.260265] ? handle_bug+0x41/0x90 <4>[ 73.264470] ? exc_invalid_op+0x14/0x70 <4>[ 73.269063] ? asm_exc_invalid_op+0x12/0x20 <4>[ 73.274046] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.279517] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.284986] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 arn_saturate+0xfb/0x110 # [ 72.326331] Code: f8 d9 ad 97 c6 0<4>[ 73.290737] direct_entry.cold+0x2c/0x38 5 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8<4>[ 73.301609] full_proxy_write+0x56/0x80 <4>[ 73.312397] vfs_write+0xea/0x3b0 d9 ad 97 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc c<4>[ 73.316401] ksys_write+0x68/0xf0 c cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 72.3475<4>[ 73.326602] do_syscall_64+0x33/0x40 <4>[ 73.337109] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 73.343062] RIP: 0033:0x7f84ac4f8473 <4>[ 73.347365] 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 82] RSP: 0018:ffffbd9702c87e48 EFLAGS: 00010286 # [ 72.353720<4>[ 73.368679] RSP: 002b:00007ffc67f204b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000<4>[ 73.383649] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f84ac4f8473 <4>[ 73.398128] RDX: 0000000000000017 RSI: 00007f84ac3ec000 RDI: 0000000000000001 <4>[ 73.406404] RBP: 00007f84ac3ec000 R08: 00007f84ac3eb010 R09: 0000000000000000 <4>[ 73.414682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 73.422961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 73.431254] irq event stamp: 0 <4>[ 73.434968] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 73.442274] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 73.451715] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 73.461163] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 73.468473] ---[ end trace f8800554775ed3ef ]--- <6>[ 73.473941] lkdtm: Saturation detected: still saturated 000 # [ 72.361992] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 # [ 72.370271] RBP: ffffffff97b82de4 R08: 0000000000000000 R09: 0000000000000000 # [ 72.378544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 72.386810] R13: ffffbd9702c87f10 R14: ffffbd9702c87f10 R15: ffff9d5045809000 # [ 72.395083] FS: 00007fdca35ac580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ 72.404415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.411130] CR2: 00007fdca33b6000 CR3: 00000001064a8000 CR4: 00000000003506e0 # [ 72.419393] Call Trace: # [ 72.422445] ? __warn+0x80/0x110 # [ 72.426361] ? refcount_warn_saturate+0xfb/0x110 # [ 72.431836] ? report_bug+0x9e/0xc0 # [ 72.436050] ? handle_bug+0x41/0x90 # [ 72.440258] ? exc_invalid_op+0x14/0x70 # [ 72.444854] ? asm_exc_invalid_op+0x12/0x20 # [ 72.449840] ? refcount_warn_saturate+0xfb/0x110 # [ 72.455308] ? refcount_warn_saturate+0xfb/0x110 # [ 72.460781] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 72.466541] direct_entry.cold+0x2c/0x38 # [ 72.471244] full_proxy_write+0x56/0x80 # [ 72.475853] vfs_write+0xea/0x3b0 # [ 72.479873] ksys_write+0x68/0xf0 # [ 72.483895] do_syscall_64+0x33/0x40 # [ 72.488200] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 72.494163] RIP: 0033:0x7fdca34c2473 # [ 72.504674] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.532127] RSP: 002b:00007ffd426c0678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.540891] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdca34c2473 # [ 72.549168] RDX: 0000000000000017 RSI: 00007fdca33b6000 RDI: 0000000000000001 # [ 72.557486] RBP: 00007fdca33b6000 R08: 00007fdca33b5010 R09: 0000000000000000 # [ 72.565795] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.580276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.588570] irq event stamp: 0 # [ 72.592296] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.599610] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 72.609060] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 72.618508] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.625819] ---[ end trace f8800554775ed3ee ]--- # [ 72.631286] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 73.015596] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 73.023395] lkdtm: attempting bad refcount_dec() from saturated # [ 73.030340] ------------[ cut here ]------------ # [ 73.042004] refcount_t: saturated; leaking memory. # [ 73.053915] WARNING: CPU: 0 PID: 2426 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 73.069823] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 73.116099] CPU: 0 PID: 2426 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 73.125067] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.138182] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 73.144324] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 0<6>[ 73.848401] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 73.860769] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 73.868575] ------------[ cut here ]------------ <4>[ 73.874040] refcount_t: saturated; leaking memory. <4>[ 73.879746] WARNING: CPU: 2 PID: 2459 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 2 00 75 ee 48 c7 c7 48 d9 ad 97 c6 05 29 fa 16 02 01 e8 09 f0 c5<4>[ 73.889489] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 73.935673] CPU: 2 PID: 2459 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 73.944637] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 73.951605] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 73.957784] 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 48 d9 ad 97 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 a0 d9 ad <4>[ 73.979081] RSP: 0018:ffffbd9702d57e38 EFLAGS: 00010282 <4>[ 73.985231] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 73.993512] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 <4>[ 74.001792] RBP: ffffffff97b82a28 R08: 0000000000000000 R09: 0000000000000000 <4>[ 74.010075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 74.018355] R13: ffffbd9702d57f10 R14: ffffbd9702d57f10 R15: ffff9d5044764000 <4>[ 74.026638] FS: 00007fcae1c99580(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 <4>[ 74.035978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 74.042697] CR2: 00007fcae1aa3000 CR3: 00000001027d6000 CR4: 00000000003506e0 <4>[ 74.050969] Call Trace: 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 7<4>[ 74.054023] ? __warn+0x80/0x110 <4>[ 74.064147] ? refcount_warn_saturate+0x97/0x110 0 d9 ad # [ 73.165607] RSP: 0018:ffffbd9702cffe48 EFLAGS: 000<4>[ 74.069621] ? report_bug+0x9e/0xc0 10286 # [ 73.171756] RAX: 0000000000000000 RBX: 0000000000000<4>[ 74.080031] ? handle_bug+0x41/0x90 <4>[ 74.090458] ? exc_invalid_op+0x14/0x70 <4>[ 74.095058] ? asm_exc_invalid_op+0x12/0x20 <4>[ 74.100049] ? refcount_warn_saturate+0x97/0x110 <4>[ 74.105514] ? refcount_warn_saturate+0x97/0x110 <4>[ 74.110982] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 74.117418] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 037 RCX: 0000000000000000 # [ 73.180038] RDX: ffff9d50bbc2c62<4>[ 74.124041] direct_entry.cold+0x2c/0x38 0 RSI: ffff9d50bbc1bf50 RDI: ffff9d50bbc1bf50 # [ 73.188319] <4>[ 74.134949] full_proxy_write+0x56/0x80 RBP: ffffffff97b82dfb R08: 0000000000000000 R09: 000000000000000<4>[ 74.145737] vfs_write+0xea/0x3b0 0 # [ 73.196586] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[ 74.155945] ksys_write+0x68/0xf0 <4>[ 74.166170] do_syscall_64+0x33/0x40 <4>[ 74.170481] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 74.176438] RIP: 0033:0x7fcae1baf473 <4>[ 74.180746] 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 R12: 0000000000000017 # [ 73.204856] R13: ffffbd9702cfff10 R1<4>[ 74.202021] RSP: 002b:00007fffe0291c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 74.216992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcae1baf473 <4>[ 74.225276] RDX: 0000000000000020 RSI: 00007fcae1aa3000 RDI: 0000000000000001 <4>[ 74.233559] RBP: 00007fcae1aa3000 R08: 00007fcae1aa2010 R09: 0000000000000000 <4>[ 74.241837] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 74.250113] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 74.258389] irq event stamp: 0 <4>[ 74.262103] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 74.269404] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 74.278843] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 74.288283] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.295574] ---[ end trace f8800554775ed3f0 ]--- 4: ffffbd9702cfff10 R15: ffff9d5045ade000 # [ 73.213128] FS: <6>[ 74.301030] lkdtm: Saturation detected: still saturated 00007f84ac5e2580(0000) GS:ffff9d50bbc00000(0000) knlGS:0000000000000000 # [ 73.222452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.229180] CR2: 00007f84ac3ec000 CR3: 0000000105914000 CR4: 00000000003506f0 # [ 73.237451] Call Trace: # [ 73.240500] ? __warn+0x80/0x110 # [ 73.244414] ? refcount_warn_saturate+0x51/0x110 # [ 73.256053] ? report_bug+0x9e/0xc0 # [ 73.260265] ? handle_bug+0x41/0x90 # [ 73.264470] ? exc_invalid_op+0x14/0x70 # [ 73.269063] ? asm_exc_invalid_op+0x12/0x20 # [ 73.274046] ? refcount_warn_saturate+0x51/0x110 # [ 73.279517] ? refcount_warn_saturate+0x51/0x110 # [ 73.284986] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 73.290737] direct_entry.cold+0x2c/0x38 # [ 73.301609] full_proxy_write+0x56/0x80 # [ 73.312397] vfs_write+0xea/0x3b0 # [ 73.316401] ksys_write+0x68/0xf0 # [ 73.326602] do_syscall_64+0x33/0x40 # [ 73.337109] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 73.343062] RIP: 0033:0x7f84ac4f8473 # [ 73.347365] 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 # [ 73.368679] RSP: 002b:00007ffc67f204b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.383649] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f84ac4f8473 # [ 73.398128] RDX: 0000000000000017 RSI: 00007f84ac3ec000 RDI: 0000000000000001 # [ 73.406404] RBP: 00007f84ac3ec000 R08: 00007f84ac3eb010 R09: 0000000000000000 # [ 73.414682] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.422961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.431254] irq event stamp: 0 # [ 73.434968] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.442274] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 73.451715] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 73.461163] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.468473] ---[ end trace f8800554775ed3ef ]--- # [ 73.473941] 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 # [ 73.848401] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 73.860769] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 73.868575] ------------[ cut here ]------------ # [ 73.874040] refcount_t: saturated; leaking memory. # [ 73.879746] WARNING: CPU: 2 PID: 2459 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 73.889489] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 73.935673] CPU: 2 PID: 2459 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 73.944637] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.951605] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 73.957784] 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 48 d9 ad 97 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 a0 d9 ad # [ 73.979081] RSP: 0018:ffffbd9702d57e38 EFLAGS: 00010282 # [ 73.985231] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 73.993512] RDX: ffff9d50bbd2c620 RSI: ffff9d50bbd1bf50 RDI: ffff9d50bbd1bf50 # [ 74.001792] RBP: ffffffff97b82a28 R08: 0000000000000000 R09: 0000000000000000 # [ 74.010075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000<6>[ 74.703495] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 74.712415] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 74.720230] ------------[ cut here ]------------ <4>[ 74.725692] refcount_t: saturated; leaking memory. <4>[ 74.731404] WARNING: CPU: 1 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 000020 # [ 74.018355] R13: ffffbd9702d57f10 R14: ffffbd9702d5<4>[ 74.741146] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 74.787295] CPU: 1 PID: 2492 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 74.796244] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 74.803157] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 74.809295] 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 48 d9 ad 97 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 a0 d9 ad <4>[ 74.830539] RSP: 0018:ffffbd9702e07e38 EFLAGS: 00010282 <4>[ 74.836676] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 74.844940] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 <4>[ 74.853209] RBP: ffffffff97b82a48 R08: 0000000000000000 R09: 0000000000000000 <4>[ 74.861486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 74.869753] R13: ffffbd9702e07f10 R14: ffffbd9702e07f10 R15: ffff9d50426bb000 <4>[ 74.878018] FS: 00007f0178a7a580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 74.887347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 74.894062] CR2: 00007f0178884000 CR3: 00000001067d0000 CR4: 00000000003506e0 <4>[ 74.902318] Call Trace: <4>[ 74.905367] ? __warn+0x80/0x110 <4>[ 74.909280] ? refcount_warn_saturate+0x97/0x110 <4>[ 74.914765] ? report_bug+0x9e/0xc0 <6>[ 74.915268] PDLOG 2024/01/05 19:39:44.729 P0 SNK Charger ??? 5023mV max 5000mV / 500mA <4>[ 74.918987] ? handle_bug+0x41/0x90 <6>[ 74.928608] PDLOG 2024/01/05 19:39:44.729 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA <4>[ 74.932314] ? exc_invalid_op+0x14/0x70 <4>[ 74.932322] ? asm_exc_invalid_op+0x12/0x20 <4>[ 74.932337] ? refcount_warn_saturate+0x97/0x110 7f10 R15: ffff9d5044764000 # [ 74.026638] FS: 00007fcae1c995<6>[ 74.943510] PDLOG 2024/01/05 19:39:44.738 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA <4>[ 74.947598] ? refcount_warn_saturate+0x97/0x110 80(0000) GS:ffff9d50bbd00000(0000) knlGS:0000000000000000 # [ <4>[ 74.947606] __refcount_add_not_zero.constprop.0+0x2a/0x35 74.035978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #<4>[ 74.947617] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 74.042697] CR2: 00007fcae1aa3000 CR3: 00000001027d6000 CR4:<6>[ 74.953106] PDLOG 2024/01/05 19:39:44.744 P1 SNK Charger ??? 5050mV max 5000mV / 3000mA <4>[ 74.958040] direct_entry.cold+0x2c/0x38 <6>[ 74.976606] PDLOG 2024/01/05 19:39:44.776 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA 00000000003506e0 # [ 74.050969] Call Trace: # [ 74.054023<4>[ 74.980286] full_proxy_write+0x56/0x80 <6>[ 74.993396] PDLOG 2024/01/05 19:39:45.026 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA <4>[ 75.005675] vfs_write+0xea/0x3b0 <4>[ 75.005686] ksys_write+0x68/0xf0 <6>[ 75.021591] PDLOG 2024/01/05 19:39:47.753 P1 SNK Charger Type-C 4977mV max 5000mV / 3000mA <4>[ 75.025771] do_syscall_64+0x33/0x40 <4>[ 75.025779] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 75.025791] RIP: 0033:0x7f0178990473 <4>[ 75.089919] 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>[ 75.111156] RSP: 002b:00007ffc8d824d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 75.119929] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0178990473 <4>[ 75.128204] RDX: 0000000000000020 RSI: 00007f0178884000 RDI: 0000000000000001 <4>[ 75.136474] RBP: 00007f0178884000 R08: 00007f0178883010 R09: 0000000000000000 <4>[ 75.144741] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 75.153011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 75.161298] irq event stamp: 0 ] ? __warn+0x80/0x110 # [ 74.064147] ? refcount_warn_satura<4>[ 75.165009] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 75.178510] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 75.187945] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 75.197375] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 75.204672] ---[ end trace f8800554775ed3f1 ]--- <6>[ 75.210126] lkdtm: Saturation detected: still saturated te+0x97/0x110 # [ 74.069621] ? report_bug+0x9e/0xc0 # [ 74.080031] ? handle_bug+0x41/0x90 # [ 74.090458] ? exc_invalid_op+0x14/0x70 # [ 74.095058] ? asm_exc_invalid_op+0x12/0x20 # [ 74.100049] ? refcount_warn_saturate+0x97/0x110 # [ 74.105514] ? refcount_warn_saturate+0x97/0x110 # [ 74.110982] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 74.117418] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 74.124041] direct_entry.cold+0x2c/0x38 # [ 74.134949] full_proxy_write+0x56/0x80 # [ 74.145737] vfs_write+0xea/0x3b0 # [ 74.155945] ksys_write+0x68/0xf0 # [ 74.166170] do_syscall_64+0x33/0x40 # [ 74.170481] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 74.176438] RIP: 0033:0x7fcae1baf473 # [ 74.180746] 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 # [ 74.202021] RSP: 002b:00007fffe0291c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.216992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcae1baf473 # [ 74.225276] RDX: 0000000000000020 RSI: 00007fcae1aa3000 RDI: 0000000000000001 # [ 74.233559] RBP: 00007fcae1aa3000 R08: 00007fcae1aa2010 R09: 0000000000000000 # [ 74.241837] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.250113] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.258389] irq event stamp: 0 # [ 74.262103] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.269404] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 74.278843] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 74.288283] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.295574] ---[ end trace f8800554775ed3f0 ]--- # [ 74.301030] 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 # [ 74.703495] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 74.712415] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 74.720230] ------------[ cut here ]------------ # [ 74.725692] refcount_t: saturated; leaking memory. # [ 74.731404] WARNING: CPU: 1 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 74.741146] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 74.787295] CPU: 1 PID: 2492 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 74.796244] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.803157] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 74.809295] 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 48 d9 ad 97 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 a0 d9 ad # [ 74.830539] RSP: 0018:ffffbd9702e07e38 EFLAGS: 00010282 # [ 74.836676] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 74.844940] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 # [ 74.853209] RBP: ffffffff97b82a48 R08: 0000000000000000 R09: 0000000000000000 # [ 74.861486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 74.869753] R13: ffffbd9702e07f10 R14: ffffbd9702e07f10 R15: ffff9d50426bb000 # [ 74.878018] FS: 00007f0178a7a580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 74.887347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.8940<6>[ 75.605762] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 62] CR2: 00007f0178884000 CR3: 00000001067d0000 CR4: 00000000003<6>[ 75.615265] lkdtm: attempting bad refcount_dec_and_test() from saturated 506e0 # [ 74.902318] Call Trace: # [ 74.905367] ? __warn+<4>[ 75.629266] ------------[ cut here ]------------ 0x80/0x110 # [ 74.909280] ? refcount_warn_saturate+0x97/0x11<4>[ 75.640954] refcount_t: underflow; use-after-free. 0 # [ 74.914765] ? report_bug+0x9e/0xc0 # [ 74.915268] PD<4>[ 75.652891] WARNING: CPU: 3 PID: 2528 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 LOG 2024/01/05 19:39:44.729 P0 SNK Charger ??? 5023mV max 5000mV<4>[ 75.668755] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table / 500mA # [ 74.918987] ? handle_bug+0x41/0x90 # [ 74.928<4>[ 75.714927] CPU: 3 PID: 2528 Comm: cat Tainted: G D W 5.10.206-cip41 #1 608] PDLOG 2024/01/05 19:39:44.729 P1 SNK (not charging) Charger<4>[ 75.730058] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ??? 5000mV max 5000mV / 3000mA # [ 74.932314] ? exc_invalid<4>[ 75.743183] RIP: 0010:refcount_warn_saturate+0xba/0x110 _op+0x14/0x70 # [ 74.932322] ? asm_exc_invalid_op+0x12/0x20 <4>[ 75.755541] 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 a0 d9 ad 97 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 # [ 74.932337] ? refcount_warn_saturate+0x97/0x110 # [ 74<4>[ 75.783006] RSP: 0018:ffffbd9702e87e40 EFLAGS: 00010286 .943510] PDLOG 2024/01/05 19:39:44.738 P0 SNK (not charging) Cha<4>[ 75.795325] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 rger ??? 5000mV max 5000mV / 500mA # [ 74.947598] ? refcount<4>[ 75.809813] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 _warn_saturate+0x97/0x110 # [ 74.947606] __refcount_add_not_<4>[ 75.824317] RBP: ffffffff97b82a68 R08: 0000000000000000 R09: 0000000000000000 zero.constprop.0+0x2a/0x35 # [ 74.947617] lkdtm_REFCOUNT_ADD<4>[ 75.838764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 _NOT_ZERO_SATURATED+0x3e/0x76 # [ 74.953106] PDLOG 2024/01/05<4>[ 75.853247] R13: ffffbd9702e87f10 R14: ffffbd9702e87f10 R15: ffff9d50446d7000 19:39:44.744 P1 SNK Charger ??? 5050mV max 5000mV / 3000mA # [<4>[ 75.867705] FS: 00007f56761f3580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 74.958040] direct_entry.cold+0x2c/0x38 # [ 74.976606] PDL<4>[ 75.883273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 OG 2024/01/05 19:39:44.776 P0 SNK (not charging) Charger ??? 500<4>[ 75.896186] CR2: 00007f5675ffd000 CR3: 0000000103820000 CR4: 00000000003506e0 0mV max 5000mV / 1500mA # [ 74.980286] full_proxy_write+0x56<4>[ 75.910733] Call Trace: /0x80 # [ 74.993396] PDLOG 2024/01/05 19:39:45.026 P0 SNK (no<4>[ 75.920218] ? __warn+0x80/0x110 t charging) Charger ??? 5000mV max 5000mV / 1500mA # [ 75.005<4>[ 75.930067] ? refcount_warn_saturate+0xba/0x110 675] vfs_write+0xea/0x3b0 # [ 75.005686] ksys_write+0x68/0x<4>[ 75.941907] ? report_bug+0x9e/0xc0 f0 # [ 75.021591] PDLOG 2024/01/05 19:39:47.753 P1 SNK Charge<4>[ 75.952126] ? handle_bug+0x41/0x90 r Type-C 4977mV max 5000mV / 3000mA # [ 75.025771] do_syscal<4>[ 75.962651] ? exc_invalid_op+0x14/0x70 l_64+0x33/0x40 # [ 75.025779] entry_SYSCALL_64_after_hwframe<4>[ 75.973333] ? asm_exc_invalid_op+0x12/0x20 +0x62/0xc7 # [ 75.025791] RIP: 0033:0x7f0178990473 # [ 75.<4>[ 75.984555] ? refcount_warn_saturate+0xba/0x110 089919] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff<4>[ 75.996190] __refcount_sub_and_test.constprop.0+0x3c/0x50 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 <4>[ 76.008846] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28<4>[ 76.021610] direct_entry.cold+0x2c/0x38 48 89 54 24 18 # [ 75.111156] RSP: 002b:00007ffc8d824d18 EFL<4>[ 76.032520] full_proxy_write+0x56/0x80 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.119929] RAX: <4>[ 76.043285] vfs_write+0xea/0x3b0 ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0178990473 # <4>[ 76.053519] ksys_write+0x68/0xf0 [ 75.128204] RDX: 0000000000000020 RSI: 00007f0178884000 RDI: <4>[ 76.063689] do_syscall_64+0x33/0x40 0000000000000001 # [ 75.136474] RBP: 00007f0178884000 R08: 00<4>[ 76.074212] entry_SYSCALL_64_after_hwframe+0x62/0xc7 007f0178883010 R09: 0000000000000000 # [ 75.144741] R10: ffff<4>[ 76.086301] RIP: 0033:0x7f5676109473 fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 76.096786] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 75.153011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000<4>[ 76.124240] RSP: 002b:00007fff75407f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000020000 # [ 75.161298] irq event stamp: 0 # [ 75.1650<4>[ 76.139216] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5676109473 09] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [<4>[ 76.153647] RDX: 0000000000000020 RSI: 00007f5675ffd000 RDI: 0000000000000001 75.178510] hardirqs last disabled at (0): [<4>[ 76.168128] RBP: 00007f5675ffd000 R08: 00007f5675ffc010 R09: 0000000000000000 ] copy_process+0x65c/0x20e0 # [ 75.187945] softirqs last ena<4>[ 76.182585] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 bled at (0): [] copy_process+0x65c/0x20e0 # [<4>[ 76.197056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 75.197375] softirqs last disabled at (0): [<0000000000000000><4>[ 76.211500] irq event stamp: 0 ] 0x0 # [ 75.204672] ---[ end trace f8800554775ed3f1 ]--- # <4>[ 76.221450] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.210126] lkdtm: Saturation detected: still saturated # RE<4>[ 76.234889] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 FCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 self<4>[ 76.250515] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 tests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: l<4>[ 76.266163] softirqs last disabled at (0): [<0000000000000000>] 0x0 kdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh <4>[ 76.279639] ---[ end trace f8800554775ed3f2 ]--- <6>[ 76.289136] lkdtm: Saturation detected: still saturated # [ 75.605762] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 75.615265] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 75.629266] ------------[ cut here ]------------ # [ 75.640954] refcount_t: underflow; use-after-free. # [ 75.652891] WARNING: CPU: 3 PID: 2528 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 75.668755] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 75.714927] CPU: 3 PID: 2528 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 75.730058] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.743183] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 75.755541] 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 a0 d9 ad 97 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 # [ 75.783006] RSP: 0018:ffffbd9702e87e40 EFLAGS: 00010286 # [ 75.795325] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 75.809813] RDX: ffff9d50bbdac620 RSI: ffff9d50bbd9bf50 RDI: ffff9d50bbd9bf50 # [ 75.824317] RBP: ffffffff97b82a68 R08: 0000000000000000 R09: 0000000000000000 # [ 75.838764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 75.853247] R13: ffffbd9702e87f10 R14: ffffbd9702e87f10 R15: ffff9d50446d7000 # [ 75.867705] FS: 00007f56761f3580(0000) GS:ffff9d50bbd80000(0000) knlGS:0000000000000000 # [ 75.883273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.896186] CR2: 00007f5675ffd000 CR3: 0000000103820000 CR4: 00000000003506e0 # [ 75.910733] Call Trace: # [ 75.920218] ? __warn+0x80/0x110 # [ 75.930067] ? refcount_warn_saturate+0xba/0x110 # [ 75.941907] ? report_bug+0x9e/0xc0 # [ 75.952126] ? handle_bug+0x41/0x90 # [ 75.962651] ? exc_invalid_op+0x14/0x70 # [ 75.973333] ? asm_exc_invalid_op+0x12/0x20 # [ 75.984555] ? refcount_warn_saturate+0xba/0x110 # [ 75.996190] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 76.008846] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 76.021610] direct_entry.cold+0x2c/0x38 # [ 76.032520] full_proxy_write+0x56/0x80 # [ 76.043285] vfs_write+0xea/0x3b0 # [ 76.053519] ksys_write+0x68/0xf0 # [ 76.063689] do_syscall_64+0x33/0x40 # [ 76.074212] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 76.086301] RIP: 0033:0x7f5676109473 # [ 76.096786] 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 # [ 76.124240] RSP: 002b:00007fff75407f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.139216] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5676109473 # [ 76.153647] RDX: 0000000000000020 RSI: 00007f5675ffd000 RDI: 0000000000000001 # [ 76.168128] RBP: 00007f5675ffd000 R08: 00007f5675ffc010 R09: 0000000000000000 # [ 76.182585] R10: fffffffffffffb<6>[ 76.711878] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 76.722893] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 76.730677] ------------[ cut here ]------------ <4>[ 76.736140] refcount_t: underflow; use-after-free. <4>[ 76.741851] WARNING: CPU: 1 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 76.751567] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table c5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.197056]<4>[ 76.791587] CPU: 1 PID: 2564 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 76.806705] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 76.813616] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 76.819761] 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 a0 d9 ad 97 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>[ 76.841012] RSP: 0018:ffffbd9702effe40 EFLAGS: 00010286 <4>[ 76.847152] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 76.855416] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 <4>[ 76.863683] RBP: ffffffff97b82a88 R08: 0000000000000000 R09: 0000000000000000 <4>[ 76.871962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 76.880226] R13: ffffbd9702efff10 R14: ffffbd9702efff10 R15: ffff9d5045b56000 <4>[ 76.888488] FS: 00007fc9b9e3d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 <4>[ 76.897838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 76.904552] CR2: 00007fc9b9c47000 CR3: 0000000104336000 CR4: 00000000003506e0 <4>[ 76.912809] Call Trace: <4>[ 76.915857] ? __warn+0x80/0x110 <4>[ 76.919775] ? refcount_warn_saturate+0xba/0x110 <4>[ 76.925242] ? report_bug+0x9e/0xc0 <4>[ 76.929450] ? handle_bug+0x41/0x90 <4>[ 76.933647] ? exc_invalid_op+0x14/0x70 <4>[ 76.938234] ? asm_exc_invalid_op+0x12/0x20 <4>[ 76.943215] ? refcount_warn_saturate+0xba/0x110 <4>[ 76.948675] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 76.955105] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 76.961734] direct_entry.cold+0x2c/0x38 <4>[ 76.966434] full_proxy_write+0x56/0x80 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200<4>[ 76.971038] vfs_write+0xea/0x3b0 <4>[ 76.981247] ksys_write+0x68/0xf0 00 # [ 76.211500] irq event stamp: 0 # [ 76.221450] hardir<4>[ 76.985261] do_syscall_64+0x33/0x40 qs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.2348<4>[ 76.995740] entry_SYSCALL_64_after_hwframe+0x62/0xc7 89] hardirqs last disabled at (0): [] copy_pro<4>[ 77.007879] RIP: 0033:0x7fc9b9d53473 <4>[ 77.018382] 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>[ 77.039681] RSP: 002b:00007ffce4e02068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 77.048458] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc9b9d53473 <4>[ 77.056799] RDX: 0000000000000020 RSI: 00007fc9b9c47000 RDI: 0000000000000001 cess+0x65c/0x20e0 # [ 76.250515] softirqs last enabled at (0<4>[ 77.065118] RBP: 00007fc9b9c47000 R08: 00007fc9b9c46010 R09: 0000000000000000 <4>[ 77.079610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 77.087880] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 77.096153] irq event stamp: 0 <4>[ 77.099871] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 77.107180] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 77.116620] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ): [] copy_process+0x65c/0x20e0 # [ 76.2661<4>[ 77.126059] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 77.139570] ---[ end trace f8800554775ed3f3 ]--- <6>[ 77.145037] lkdtm: Saturation detected: still saturated 63] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.279639] ---[ end trace f8800554775ed3f2 ]--- # [ 76.289136] 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 # [ 76.711878] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 76.722893] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 76.730677] ------------[ cut here ]------------ # [ 76.736140] refcount_t: underflow; use-after-free. # [ 76.741851] WARNING: CPU: 1 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 76.751567] Modules linked in: fuse ip_tables cros_ec_debugfs cros_ec_lightbar cros_usbpd_logger uvcvideo cros_ec_chardev cros_ec_sysfs videobuf2_vmalloc cros_usbpd_charger videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify snd_soc_core i2c_hid snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 76.791587] CPU: 1 PID: 2564 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 76.806705] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.813616] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 76.819761] 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 a0 d9 ad 97 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 # [ 76.841012] RSP: 0018:ffffbd9702effe40 EFLAGS: 00010286 # [ 76.847152] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 76.855416] RDX: ffff9d50bbcac620 RSI: ffff9d50bbc9bf50 RDI: ffff9d50bbc9bf50 # [ 76.863683] RBP: ffffffff97b82a88 R08: 0000000000000000 R09: 0000000000000000 # [ 76.871962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 76.880226] R13: ffffbd9702efff10 R14: ffffbd9702efff10 R15: ffff9d5045b56000 # [ 76.888488] FS: 00007fc9b9e3d580(0000) GS:ffff9d50bbc80000(0000) knlGS:0000000000000000 # [ 76.897838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.904552] CR2: 00007fc9b9c47000 CR3: 0000000104336000 CR4: 00000000003506e0 # [ 76.912809] Call Trace: # [ 76.915857] ? __warn+0x80/0x110 # [ 76.919775] ? refcount_warn_saturate+0xba/0x110 # [ 76.925242] ? report_bug+0x9e/0xc0 # [ 76.929450] ? handle_bug+0x41/0x90 # [ 76.933647] ? exc_invalid_op+0x14/0x70 # [ 76.938234] ? asm_exc_invalid_op+0x12/0x20 # [ 76.943215] ? refcount_warn_saturate+0xba/0x110 # [ 76.948675] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 76.955105] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 76.961734] direct_entry.cold+0x2c/0x38 # [ 76.966434] full_proxy_write+0x56/0x80 # [ 76.971038] vfs_write+0xea/0x3b0 # [ 76.981247] ksys_write+0x68/0xf0 # [ 76.985261] do_syscall_64+0x33/0x40 # [ 76.995740] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 77.007879] RIP: 0033:0x7fc9b9d53473 # [ 77.018382] 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 # [ 77.039681] RSP: 002b:00007ffce4e02068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 77.048458] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc9b9d53473 # [ 77.056799] RDX: 0000000000000020 RSI: 00007fc9b9c47000 RDI: 0000000000000001 # [ 77.065118] RBP: 00007fc9b9c47000 R08: 00007fc9b9c46010 R09: 0000000000000000 # [ 77.079610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 77.087880] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.096153] irq event stamp: 0 # [ 77.099871] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.107180] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 77.116620] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 77.126059] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.139570] ---[ end trace f8800554775ed3f3 ]--- # [ 77.145037] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh <6>[ 77.813903] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 77.820978] lkdtm: attempting good copy_to_user of correct size <6>[ 77.827967] lkdtm: attempting bad copy_to_user of too large size # [ 77.813903] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 77.820978] lkdtm: attempting good copy_to_user of correct size # [ 77.827967] 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 <6>[ 78.212215] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 78.219466] lkdtm: attempting good copy_from_user of correct size <6>[ 78.226625] lkdtm: attempting bad copy_from_user of too large size # [ 78.212215] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 78.219466] lkdtm: attempting good copy_from_user of correct size # [ 78.226625] 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>[ 78.593167] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 78.600722] lkdtm: attempting good copy_to_user inside whitelist <6>[ 78.607792] lkdtm: attempting bad copy_to_user outside whitelist # [ 78.593167] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 78.600722] lkdtm: attempting good copy_to_user inside whitelist # [ 78.607792] 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>[ 78.977117] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 78.984865] lkdtm: attempting good copy_from_user inside whitelist <6>[ 78.992138] lkdtm: attempting bad copy_from_user outside whitelist # [ 78.977117] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 78.984865] lkdtm: attempting good copy_from_user inside whitelist # [ 78.992138] 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>[ 79.382156] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 79.389390] lkdtm: good_stack: ffffbd9703257e20-ffffbd9703257e40 <6>[ 79.396425] lkdtm: bad_stack : ffffbd9703257da8-ffffbd9703257dc8 <6>[ 79.403492] lkdtm: attempting good copy_to_user of local stack <6>[ 79.410332] lkdtm: attempting bad copy_to_user of distant stack # [ 79.382156] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 79.389390] lkdtm: good_stack: ffffbd9703257e20-ffffbd9703257e40 # [ 79.396425] lkdtm: bad_stack : ffffbd9703257da8-ffffbd9703257dc8 # [ 79.403492] lkdtm: attempting good copy_to_user of local stack # [ 79.410332] 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>[ 79.742306] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 79.749753] lkdtm: good_stack: ffffbd97032e7e20-ffffbd97032e7e40 <6>[ 79.756794] lkdtm: bad_stack : ffffbd97032e7da8-ffffbd97032e7dc8 <6>[ 79.763857] lkdtm: attempting good copy_from_user of local stack <6>[ 79.770918] lkdtm: attempting bad copy_from_user of distant stack # [ 79.742306] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 79.749753] lkdtm: good_stack: ffffbd97032e7e20-ffffbd97032e7e40 # [ 79.756794] lkdtm: bad_stack : ffffbd97032e7da8-ffffbd97032e7dc8 # [ 79.763857] lkdtm: attempting good copy_from_user of local stack # [ 79.770918] 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>[ 80.141642] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 80.148698] lkdtm: good_stack: ffffbd970337fe20-ffffbd970337fe40 <6>[ 80.155730] lkdtm: bad_stack : ffffbd970337fff8-ffffbd9703380018 <6>[ 80.162796] lkdtm: attempting good copy_to_user of local stack <6>[ 80.169646] lkdtm: attempting bad copy_to_user of distant stack <4>[ 80.176579] lkdtm: copy_to_user failed, but lacked Oops # [ 80.141642] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 80.148698] lkdtm: good_stack: ffffbd970337fe20-ffffbd970337fe40 # [ 80.155730] lkdtm: bad_stack : ffffbd970337fff8-ffffbd9703380018 # [ 80.162796] lkdtm: attempting good copy_to_user of local stack # [ 80.169646] lkdtm: attempting bad copy_to_user of distant stack # [ 80.176579] 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>[ 80.525901] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 80.532401] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff976f8950 <6>[ 80.541373] lkdtm: attempting bad copy_to_user from kernel text: ffffffff95ce2c60 <3>[ 80.550032] lkdtm: FAIL: survived bad copy_to_user() # [ 80.525901] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 80.532401] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff976f8950 # [ 80.541373] lkdtm: attempting bad copy_to_user from kernel text: ffffffff95ce2c60 # [ 80.550032] 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>[ 80.931667] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 80.938319] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 80.946543] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 80.954674] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 80.961707] CPU: 3 PID: 2940 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 80.970652] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 80.977559] Call Trace: <4>[ 80.980606] dump_stack+0x77/0x9b <4>[ 80.984608] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 80.990062] direct_entry.cold+0x2c/0x38 <4>[ 80.994736] full_proxy_write+0x56/0x80 <4>[ 80.999311] vfs_write+0xea/0x3b0 <4>[ 81.003304] ksys_write+0x68/0xf0 <4>[ 81.007304] do_syscall_64+0x33/0x40 <4>[ 81.011592] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 81.017530] RIP: 0033:0x7f5b11575473 <4>[ 81.021822] 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>[ 81.043074] RSP: 002b:00007ffd1ef1beb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 81.051821] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5b11575473 <4>[ 81.060082] RDX: 0000000000000012 RSI: 00007f5b11469000 RDI: 0000000000000001 <4>[ 81.068344] RBP: 00007f5b11469000 R08: 00007f5b11468010 R09: 0000000000000000 <4>[ 81.076606] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 81.084861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.931667] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 80.938319] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 80.946543] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 80.954674] lkdtm: FAIL: the thread stack is NOT properly erased # [ 80.961707] CPU: 3 PID: 2940 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 80.970652] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.977559] Call Trace: # [ 80.980606] dump_stack+0x77/0x9b # [ 80.984608] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 80.990062] direct_entry.cold+0x2c/0x38 # [ 80.994736] full_proxy_write+0x56/0x80 # [ 80.999311] vfs_write+0xea/0x3b0 # [ 81.003304] ksys_write+0x68/0xf0 # [ 81.007304] do_syscall_64+0x33/0x40 # [ 81.011592] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 81.017530] RIP: 0033:0x7f5b11575473 # [ 81.021822] 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 # [ 81.043074] RSP: 002b:00007ffd1ef1beb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 81.051821] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5b11575473 # [ 81.060082] RDX: 0000000000000012 RSI: 00007f5b11469000 RDI: 0000000000000001 # [ 81.068344] RBP: 00007f5b11469000 R08: 00007f5b11468010 R09: 0000000000000000 # [ 81.076606] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 81.084861] 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>[ 81.473277] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 81.479943] lkdtm: Calling matched prototype ... <6>[ 81.485417] lkdtm: Calling mismatched prototype ... <6>[ 81.491188] lkdtm: Fail: survived mismatched prototype function call! # [ 81.473277] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 81.479943] lkdtm: Calling matched prototype ... # [ 81.485417] lkdtm: Calling mismatched prototype ... # [ 81.491188] 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 / #