[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 90428 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 269021 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 4844 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 52997 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 14060 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 10116 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 14058 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 18136 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 18128 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 14312 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 11245 usecs scan_bus: scanning of bus DOMAIN: 0000 took 392212 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 412192 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 2023-05-30 16:01:28 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-05-30 16:01:28 UTC ELOG: Event(AA) added with size 11 at 2023-05-30 16:01:28 UTC FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes) SPI flash protection: WPSW=0 SRP0=1 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 701803 exit 96270 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 2951275 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 160 run 112542 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2136 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. Waiting for 2nd SIPI to complete...done. AP: slot 2 apic_id 4. AP: slot 3 apic_id 2. AP: slot 1 apic_id 6. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff400 Relocation complete. New SMBASE 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 467974 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2235 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2226 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2233 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2234 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2233 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 27378 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 2235 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2230 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 6117 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6113 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6114 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6113 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6114 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 2230 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2231 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3563 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2231 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2232 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 42153 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 4992 run 881037 exit 886 ELOG: Event(A1) added with size 10 at 2023-05-30 16:01:32 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-05-30 16:01:32 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 24880 run 3944 exit 5260 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 59 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 04 (unknown) APIC: 02 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum bbec 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 00000047 GNVS PTR 9. 7affe920 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 816074 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 181 run 108016 exit 31932 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:de Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 10527088/tftp-deploy-n2xf5vj1/kernel/bzImage 10527088/tftp-deploy-n2xf5vj1/kernel/cmdline 10527088/tftp-deploy-n2xf5vj1/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10527088/tftp-deploy-n2xf5vj1/kernel/bzImploy-n2xf5vj1/kernel/cmdline 10527088/tftp-deploy-n2xf5vj1/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:68:0a:de Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.16 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10527088/tftp-deploy-n2xf5vj1/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 ################### done. The bootfile was 16408096 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: 10527088/tftp-deploy-n2xf5vj1/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527088/extract-nfsrootfs-2zn12b66,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: 21560784 Starting kernel ... <5>[ 0.000000] Linux version 5.10.181-cip34 (KernelCI@build-j1586849-x86-64-gcc-10-x86-64-defconfig-x86-chromebo2x5bz) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue May 30 15:47:57 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527088/extract-nfsrootfs-2zn12b66,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.000000] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 <6>[ 0.000000] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 <6>[ 0.000000] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. <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>[ 0.000305] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.001166] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 <6>[ 0.005292] check: Scanning 1 areas for low memory corruption <6>[ 0.005305] Using GB pages for direct mapping <6>[ 0.006039] RAMDISK: [mem 0x375da000-0x37ffffff] <6>[ 0.006047] ACPI: Early table checksum verification disabled <6>[ 0.006056] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.006067] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006080] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006094] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) <6>[ 0.006105] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006114] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.006122] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.006132] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006142] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006151] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006161] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) <6>[ 0.006171] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.006180] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] <6>[ 0.006185] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] <6>[ 0.006189] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006193] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.006196] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] <6>[ 0.006200] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] <6>[ 0.006204] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] <6>[ 0.006208] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] <6>[ 0.006212] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] <6>[ 0.006216] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] <6>[ 0.006336] No NUMA configuration found <6>[ 0.006341] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] <6>[ 0.006350] NODE_DATA(0) allocated [mem 0x17fff9000-0x17fffcfff] <6>[ 0.006398] Zone ranges: <6>[ 0.006402] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.006409] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.006415] Normal [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006420] Movable zone start for each node <6>[ 0.006424] Early memory node ranges <6>[ 0.006428] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.006432] node 0: [mem 0x0000000000100000-0x000000000fffffff] <6>[ 0.006436] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] <6>[ 0.006440] node 0: [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006446] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] <6>[ 0.006477] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.006527] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.013063] On node 0, zone DMA32: 8529 pages in unavailable ranges <6>[ 0.020345] On node 0, zone Normal: 22019 pages in unavailable ranges <6>[ 0.020378] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.020679] ACPI: PM-Timer IO Port: 0x408 <6>[ 0.020752] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.020767] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.020773] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) <6>[ 0.020786] Using ACPI (MADT) for SMP configuration information <6>[ 0.020791] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.020803] TSC deadline timer available <6>[ 0.020808] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.020841] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.020848] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.020852] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] <6>[ 0.020857] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] <6>[ 0.020861] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.020865] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] <6>[ 0.020869] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] <6>[ 0.020873] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] <6>[ 0.020876] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] <6>[ 0.020880] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] <6>[ 0.020884] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] <6>[ 0.020887] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] <6>[ 0.020894] [mem 0x80000000-0xcfffffff] available for PCI devices <6>[ 0.020903] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.031160] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.031785] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.031890] Built 1 zonelists, mobility grouping on. Total pages: 1002002 <6>[ 0.031899] Policy zone: Normal <5>[ 0.031917] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10527088/extract-nfsrootfs-2zn12b66,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.032898] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.033342] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.033409] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.066667] Memory: 3860868K/4071724K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210596K reserved, 0K cma-reserved) <6>[ 0.066819] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.066878] Kernel/User page tables isolation: enabled <6>[ 0.066954] ftrace: allocating 60777 entries in 238 pages <6>[ 0.101866] ftrace: allocated 238 pages with 6 groups <6>[ 0.102213] Running RCU self tests <6>[ 0.102231] rcu: Hierarchical RCU implementation. <6>[ 0.102235] rcu: RCU event tracing is enabled. <6>[ 0.102239] rcu: RCU lockdep checking is enabled. <6>[ 0.102243] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.102247] Rude variant of Tasks RCU enabled. <6>[ 0.102250] Tracing variant of Tasks RCU enabled. <6>[ 0.102255] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.102259] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.110300] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.110737] random: crng init done <6>[ 0.110848] Console: colour dummy device 80x25 <6>[ 0.182836] printk: console [ttyS2] enabled <4>[ 0.183220] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.183894] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.184262] ... MAX_LOCK_DEPTH: 48 <4>[ 0.184643] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.185042] ... CLASSHASH_SIZE: 4096 <4>[ 0.185432] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.185828] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.186224] ... CHAINHASH_SIZE: 32768 <4>[ 0.186630] memory used by lock dependency info: 6365 kB <4>[ 0.187113] memory used for stack traces: 4224 kB <4>[ 0.187537] per task-struct memory footprint: 1920 bytes <6>[ 0.188079] ACPI: Core revision 20200925 <6>[ 0.188714] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns <6>[ 0.189582] APIC: Switch to symmetric I/O mode setup <6>[ 0.194610] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>[ 0.199573] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 0.200493] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) <6>[ 0.201481] pid_max: default: 32768 minimum: 301 <6>[ 0.202549] LSM: Security Framework initializing <6>[ 0.202987] SELinux: Initializing. <6>[ 0.203537] LSM support for eBPF active <6>[ 0.203938] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.204494] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.206660] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.207226] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 <6>[ 0.207480] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 <6>[ 0.208015] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.208482] Spectre V2 : Mitigation: Retpolines <6>[ 0.208897] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.209479] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.210480] Speculative Store Bypass: Vulnerable <4>[ 0.231832] ------------[ cut here ]------------ <4>[ 0.232277] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.232291] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.233480] Modules linked in: <4>[ 0.233779] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.181-cip34 #1 <4>[ 0.234480] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 0.235008] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.235482] Code: 46 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 00 69 6f 8f c6 05 7b eb 46 02 01 e8 82 f7 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.236480] RSP: 0000:ffffffff8fa03de0 EFLAGS: 00010282 <4>[ 0.237481] RAX: 0000000000000000 RBX: ffffffff9060b358 RCX: 0000000000000000 <4>[ 0.238105] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d977c91 <4>[ 0.238481] RBP: ffffffff8f37ecc0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.239480] R10: ffffffff8fa8fee0 R11: 3fffffffffffffff R12: ffffffff906234a8 <4>[ 0.240104] R13: cccccccccccccccc R14: ffffffff8f37ecc5 R15: 0000000000000004 <4>[ 0.240482] FS: 0000000000000000(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 <4>[ 0.241480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.241987] CR2: ffff9d8cbffff000 CR3: 000000004f426000 CR4: 00000000003506f0 <4>[ 0.242480] Call Trace: <4>[ 0.242734] ? __warn+0x80/0x110 <4>[ 0.243038] ? apply_returns+0x1f5/0x220 <4>[ 0.243484] ? report_bug+0x9e/0xc0 <4>[ 0.243808] ? __warn_printk+0x6c/0x8d <4>[ 0.244159] ? handle_bug+0x41/0x90 <4>[ 0.244481] ? exc_invalid_op+0x14/0x70 <4>[ 0.244844] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.245492] ? console_unlock+0x4d1/0x5f0 <4>[ 0.245860] ? apply_returns+0x1f5/0x220 <4>[ 0.246231] ? lock_acquire+0xbf/0x280 <4>[ 0.246499] alternative_instructions+0x7d/0x143 <4>[ 0.246924] check_bugs+0xe9f/0xefb <4>[ 0.247252] start_kernel+0x517/0x54d <4>[ 0.247487] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.247954] irq event stamp: 108565 <4>[ 0.248481] hardirqs last enabled at (108577): [] console_unlock+0x4d1/0x5f0 <4>[ 0.249234] hardirqs last disabled at (108584): [] console_unlock+0x444/0x5f0 <4>[ 0.249482] softirqs last enabled at (108594): [] irq_enter_rcu+0x71/0x80 <4>[ 0.250481] softirqs last disabled at (108605): [] irq_enter_rcu+0x56/0x80 <4>[ 0.251485] ---[ end trace ecc6a9d815a0757b ]--- <6>[ 0.260865] Freeing SMP alternatives memory: 48K <6>[ 0.261883] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) <6>[ 0.264645] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.265491] ... version: 4 <6>[ 0.266481] ... bit width: 48 <6>[ 0.267481] ... generic registers: 4 <6>[ 0.268481] ... value mask: 0000ffffffffffff <6>[ 0.269482] ... max period: 00007fffffffffff <6>[ 0.270481] ... fixed-purpose events: 3 <6>[ 0.271481] ... event mask: 000000070000000f <6>[ 0.273598] rcu: Hierarchical SRCU implementation. <6>[ 0.279534] smp: Bringing up secondary CPUs ... <6>[ 0.282577] x86: Booting SMP configuration: <6>[ 0.283484] .... node #0, CPUs: #1 #2 #3 <6>[ 0.292553] smp: Brought up 1 node, 4 CPUs <6>[ 0.294482] smpboot: Max logical packages: 1 <6>[ 0.295481] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) <6>[ 0.302485] devtmpfs: initialized <6>[ 0.303760] x86/mm: Memory block size: 128MB <6>[ 0.314584] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.315496] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.317611] pinctrl core: initialized pinctrl subsystem <6>[ 0.320774] PM: RTC time: 16:01:48, date: 2023-05-30 <6>[ 0.322703] NET: Registered protocol family 16 <6>[ 0.324794] audit: initializing netlink subsys (disabled) <5>[ 0.325557] audit: type=2000 audit(1685462508.130:1): state=initialized audit_enabled=0 res=1 <6>[ 0.327671] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.327780] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.328575] cpuidle: using governor menu <6>[ 0.330684] ACPI: bus type PCI registered <6>[ 0.333515] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) <6>[ 0.335487] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 <6>[ 0.337532] PCI: Using configuration type 1 for base access <6>[ 0.428643] Kprobes globally optimized <6>[ 0.432516] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.433488] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.437495] cryptomgr_test (39) used greatest stack depth: 14880 bytes left <6>[ 0.445565] ACPI: Added _OSI(Module Device) <6>[ 0.447485] ACPI: Added _OSI(Processor Device) <6>[ 0.448482] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.449482] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.451484] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.452483] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.453483] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.476516] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.493652] ACPI: EC: EC started <6>[ 0.494480] ACPI: EC: interrupt blocked <6>[ 0.496653] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.498486] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.500482] ACPI: Interpreter enabled <6>[ 0.501531] ACPI: (supports S0 S3 S5) <6>[ 0.502484] ACPI: Using IOAPIC for interrupt routing <6>[ 0.504534] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.508518] ACPI: Enabled 1 GPEs in block 00 to 7F <6>[ 0.519709] ACPI: Power Resource [PXP] (on) <6>[ 0.550644] ACPI: Power Resource [PRIC] (on) <6>[ 0.580556] ACPI: Power Resource [PRIC] (on) <6>[ 0.677581] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.679492] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.681716] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.685781] PCI host bridge to bus 0000:00 <6>[ 0.687485] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.689485] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] <6>[ 0.690482] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.692483] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] <6>[ 0.694483] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] <6>[ 0.696484] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.698560] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 <6>[ 0.702616] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 <6>[ 0.704527] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] <6>[ 0.707721] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 <6>[ 0.709502] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] <6>[ 0.711495] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] <6>[ 0.713494] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] <6>[ 0.716530] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 <6>[ 0.718501] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] <6>[ 0.719493] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] <6>[ 0.721489] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] <6>[ 0.724564] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 <6>[ 0.726499] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] <6>[ 0.729620] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 <6>[ 0.731514] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] <6>[ 0.733528] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] <6>[ 0.735594] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold <6>[ 0.738724] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 <6>[ 0.740519] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] <6>[ 0.742634] pci 0000:00:0f.0: PME# supported from D3hot <6>[ 0.745602] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 <6>[ 0.747696] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold <6>[ 0.750691] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 <6>[ 0.752518] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] <6>[ 0.754594] pci 0000:00:15.0: PME# supported from D3hot D3cold <6>[ 0.757679] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 <6>[ 0.759519] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] <6>[ 0.761510] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] <6>[ 0.764702] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 <6>[ 0.767524] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] <6>[ 0.769506] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] <6>[ 0.771701] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 <6>[ 0.774519] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] <6>[ 0.776505] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] <6>[ 0.779697] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 <6>[ 0.781519] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] <6>[ 0.783506] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] <6>[ 0.786724] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 <6>[ 0.788519] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] <6>[ 0.790506] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] <6>[ 0.793717] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 <6>[ 0.795519] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] <6>[ 0.797506] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] <6>[ 0.800739] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 <6>[ 0.803520] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] <6>[ 0.804505] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] <6>[ 0.807698] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 <6>[ 0.810520] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] <6>[ 0.812506] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] <6>[ 0.814700] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 <6>[ 0.817521] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] <6>[ 0.819505] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] <6>[ 0.822725] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 <6>[ 0.824520] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] <6>[ 0.826506] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] <6>[ 0.829731] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 <6>[ 0.831516] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] <6>[ 0.833498] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] <6>[ 0.836660] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 <6>[ 0.838512] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] <6>[ 0.840498] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] <6>[ 0.843777] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 <6>[ 0.847576] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 <6>[ 0.849550] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] <6>[ 0.851566] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] <6>[ 0.856540] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.859535] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] <6>[ 0.863554] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) <6>[ 0.865688] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) <6>[ 0.869943] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.878664] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 0.879493] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 0.901487] ACPI: EC: interrupt unblocked <6>[ 0.902480] ACPI: EC: event unblocked <6>[ 0.903481] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.904481] ACPI: EC: GPE=0x2b <6>[ 0.904773] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.907484] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.911504] iommu: Default domain type: Translated <6>[ 0.913670] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.914106] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.917506] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.919482] vgaarb: loaded <5>[ 0.921582] SCSI subsystem initialized <6>[ 0.924533] ACPI: bus type USB registered <6>[ 0.925602] usbcore: registered new interface driver usbfs <6>[ 0.927534] usbcore: registered new interface driver hub <6>[ 0.928516] usbcore: registered new device driver usb <6>[ 0.930589] mc: Linux media interface: v0.10 <6>[ 0.931516] videodev: Linux video capture interface: v2.00 <6>[ 0.933512] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.934481] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.937493] PTP clock support registered <6>[ 0.939622] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.943679] NetLabel: Initializing <6>[ 0.945483] NetLabel: domain hash size = 128 <6>[ 0.946480] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.948541] NetLabel: unlabeled traffic allowed by default <6>[ 0.950594] PCI: Using ACPI for IRQ routing <4>[ 1.043695] Expanded resource Reserved due to conflict with PCI Bus 0000:00 <6>[ 1.046577] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 <6>[ 1.048483] hpet0: 8 comparators, 64-bit 19.200000 MHz counter <6>[ 1.059477] clocksource: Switched to clocksource tsc-early <5>[ 1.443247] VFS: Disk quotas dquot_6.6.0 <6>[ 1.443660] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.444639] pnp: PnP ACPI init <6>[ 1.445617] system 00:00: [io 0x0900-0x09fe] has been reserved <6>[ 1.446377] system 00:01: [io 0x0200] has been reserved <6>[ 1.446867] system 00:01: [io 0x0204] has been reserved <6>[ 1.447337] system 00:01: [io 0x0800-0x087f] has been reserved <6>[ 1.447877] system 00:01: [io 0x0880-0x08ff] has been reserved <6>[ 1.450389] pnp: PnP ACPI: found 3 devices <6>[ 1.463980] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.464885] NET: Registered protocol family 2 <6>[ 1.465488] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.467540] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.468559] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.469479] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.472105] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.473194] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.474170] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.475059] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.476166] NET: Registered protocol family 1 <6>[ 1.477368] RPC: Registered named UNIX socket transport module. <6>[ 1.477944] RPC: Registered udp transport module. <6>[ 1.478371] RPC: Registered tcp transport module. <6>[ 1.478789] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.479911] NET: Registered protocol family 44 <6>[ 1.480346] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.480828] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.481437] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.481985] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] <6>[ 1.482533] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.483142] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] <6>[ 1.483744] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] <6>[ 1.484354] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] <6>[ 1.485109] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.487986] PCI: CLS 64 bytes, default 64 <6>[ 1.488713] Unpacking initramfs... <6>[ 1.764631] Freeing initrd memory: 10392K <6>[ 1.765126] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.765695] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) <6>[ 1.766714] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer <6>[ 1.767422] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.767943] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.768438] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.768965] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <3>[ 1.770597] kvm: already loaded the other module <6>[ 1.771036] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 1.771946] clocksource: Switched to clocksource tsc <6>[ 1.772471] platform rtc_cmos: registered platform RTC device (no PNP device found) <6>[ 1.775128] check: Scanning for low memory corruption every 60 seconds <5>[ 1.777894] Initialise system trusted keyrings <6>[ 1.778556] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.793626] NFS: Registering the id_resolver key type <5>[ 1.794149] Key type id_resolver registered <5>[ 1.794559] Key type id_legacy registered <5>[ 1.806241] Key type asymmetric registered <5>[ 1.806662] Asymmetric key parser 'x509' registered <6>[ 1.807181] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.807851] io scheduler mq-deadline registered <6>[ 1.808258] io scheduler kyber registered <4>[ 1.808872] test_firmware: interface ready <6>[ 1.809990] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 <6>[ 1.811565] ACPI: AC Adapter [AC] (on-line) <6>[ 1.812246] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.813783] ACPI: Lid Switch [LID0] <6>[ 1.814288] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 <6>[ 1.815155] ACPI: Power Button [PWRB] <6>[ 1.815657] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 <6>[ 1.816539] ACPI: Sleep Button [SLP] <6>[ 1.817042] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 <6>[ 1.817843] ACPI: Power Button [PWRF] <6>[ 1.818392] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.819461] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.820265] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.821050] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.822904] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 1.825371] Non-volatile memory driver v1.3 <6>[ 1.825527] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.825900] Linux agpgart interface v0.103 <6>[ 1.827166] [drm] amdgpu kernel modesetting enabled. <6>[ 1.830231] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.884333] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xcc55 <6>[ 1.885131] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) <6>[ 1.885876] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <4>[ 1.887205] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 <5>[ 1.888104] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. <5>[ 1.889105] 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>[ 1.930591] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.933410] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.946402] loop: module loaded <6>[ 1.947246] lkdtm: No crash points registered, enable through debugfs <6>[ 1.990682] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A <6>[ 1.993916] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A <6>[ 1.996605] printk: console [ttyS2] disabled <6>[ 1.997343] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A <6>[ 5.271463] printk: console [ttyS2] enabled <6>[ 5.271494] fbcon: i915drmfb (fb0) is primary device <4>[ 5.273498] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO <6>[ 5.280272] e100: Intel(R) PRO/100 Network Driver <6>[ 5.280275] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.280321] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.280322] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.280380] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.280382] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.280442] sky2: driver version 1.30 <6>[ 5.280667] usbcore: registered new interface driver r8152 <6>[ 5.281112] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.281128] ehci-pci: EHCI PCI platform driver <6>[ 5.281184] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.281196] ohci-pci: OHCI PCI platform driver <6>[ 5.281239] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.282427] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 5.283178] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 <6>[ 5.284404] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.284448] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported <6>[ 5.285611] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 5.286026] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 <6>[ 5.286038] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed <6>[ 5.286423] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.286436] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.286439] usb usb1: Product: xHCI Host Controller <6>[ 5.286441] usb usb1: Manufacturer: Linux 5.10.181-cip34 xhci-hcd <6>[ 5.286444] usb usb1: SerialNumber: 0000:00:15.0 <6>[ 5.287517] hub 1-0:1.0: USB hub found <6>[ 5.287613] hub 1-0:1.0: 8 ports detected <6>[ 5.289114] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.289119] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.289121] usb usb2: Product: xHCI Host Controller <6>[ 5.289124] usb usb2: Manufacturer: Linux 5.10.181-cip34 xhci-hcd <6>[ 5.289126] usb usb2: SerialNumber: 0000:00:15.0 <6>[ 5.289776] hub 2-0:1.0: USB hub found <6>[ 5.289853] hub 2-0:1.0: 7 ports detected <6>[ 5.290990] usbcore: registered new interface driver usblp <6>[ 5.291034] usbcore: registered new interface driver usb-storage <6>[ 5.291411] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.291519] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.291521] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.292107] i8042: Warning: Keylock active <6>[ 5.292377] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.294887] rtc_cmos rtc_cmos: RTC can wake from S4 <6>[ 5.296563] rtc_cmos rtc_cmos: registered as rtc0 <6>[ 5.296744] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram <4>[ 5.297877] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A <4>[ 5.297880] i801_smbus 0000:00:1f.1: PCI INT A: no GSI <6>[ 5.297922] i801_smbus 0000:00:1f.1: SPD Write Disable is set <6>[ 5.298192] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 <3>[ 5.299123] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) <3>[ 5.299142] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 <6>[ 5.299145] i801_smbus 0000:00:1f.1: SMBus using polling <6>[ 5.299678] Console: switching to colour frame buffer device 240x67 <6>[ 5.299980] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.300046] intel_pstate: Intel P-state driver initializing <6>[ 5.302505] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.302511] sdhci: Copyright(c) Pierre Ossman <6>[ 5.302689] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.309006] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) <6>[ 5.316371] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit <6>[ 5.317286] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.319452] usbcore: registered new interface driver usbhid <6>[ 5.319457] usbhid: USB HID core driver <6>[ 5.321365] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 <6>[ 5.327897] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.331234] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.336060] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.346195] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.347426] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.348990] IPv4 over IPsec tunneling driver <6>[ 5.350177] Initializing XFRM netlink socket <3>[ 5.488241] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up <6>[ 5.500329] NET: Registered protocol family 10 <6>[ 5.543907] usb 1-5: new high-speed USB device number 2 using xhci_hcd <6>[ 5.555163] Segment Routing with IPv6 <6>[ 5.648148] mmc0: new HS400 MMC card at address 0001 <6>[ 5.656355] NET: Registered protocol family 17 <6>[ 5.662926] mmcblk0: mmc0:0001 TA2964 58.3 GiB <5>[ 5.666846] Key type dns_resolver registered <6>[ 5.673397] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB <6>[ 5.784234] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 <6>[ 5.798643] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB <6>[ 5.798946] microcode: sig=0x506c9, pf=0x1, revision=0x2c <6>[ 5.804888] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 5.804898] usb 1-5: Product: USB2.0 HD UVC WebCam <6>[ 5.804908] usb 1-5: Manufacturer: Quanta <6>[ 5.805003] microcode: Microcode Update Driver: v2.2. <6>[ 5.805031] IPI shorthand broadcast: enabled <6>[ 5.805216] sched_clock: Marking stable (5720008675, 84801219)->(5280775615, 524034279) <6>[ 5.823527] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0) <6>[ 5.823865] registered taskstats version 1 <5>[ 5.823899] Loading compiled-in X.509 certificates <6>[ 5.832929] usb 1-5: SerialNumber: 0x0001 <6>[ 5.836121] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.862274] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.871625] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.886994] usb 2-2: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.898677] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.917091] usb 2-2: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.927085] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.934710] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.934719] usb 2-2: Product: USB 10/100/1000 LAN <6>[ 5.934726] usb 2-2: Manufacturer: Realtek <6>[ 5.934732] usb 2-2: SerialNumber: 001000001 <6>[ 6.030876] usb 1-6: new full-speed USB device number 3 using xhci_hcd <6>[ 6.046747] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.094523] PM: Magic number: 7:906:35 <6>[ 6.099406] bdi 7:0: hash matches <6>[ 6.104536] printk: console [netcon0] enabled <6>[ 6.109766] netconsole: network logging started <6>[ 6.182766] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.192274] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.207399] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 6.297717] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.345137] r8152 2-2:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.382899] r8152 2-2:1.0 eth0: v1.11.11 <6>[ 6.389043] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 8.092043] r8152 2-2:1.0 eth0: carrier on <6>[ 8.093232] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.104958] Sending DHCP requests ., OK <6>[ 8.116390] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.16 <6>[ 8.125685] IP-Config: Complete: <6>[ 8.129625] device=eth0, hwaddr=00:e0:4c:68:0a:de, ipaddr=192.168.201.16, mask=255.255.255.0, gw=192.168.201.1 <6>[ 8.141620] host=asus-c523na-a20057-coral-cbg-2, domain=lava-rack, nis-domain=(none) <6>[ 8.151091] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 8.151099] nameserver0=192.168.201.1 <5>[ 8.165092] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 8.188351] modprobe (101) used greatest stack depth: 14016 bytes left <5>[ 8.204051] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 8.212712] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 8.215296] ALSA device list: <6>[ 8.222865] cfg80211: failed to load regulatory.db <6>[ 8.226570] No soundcards found. <4>[ 8.237881] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console <6>[ 8.258697] Freeing unused kernel image (initmem) memory: 2148K <6>[ 8.277382] Write protecting the kernel read-only data: 34816k <6>[ 8.288552] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 8.297916] Freeing unused kernel image (rodata/data gap) memory: 860K <6>[ 8.305949] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 8.399166] systemd-udevd (123) used greatest stack depth: 13688 bytes left <6>[ 8.658880] udevadm (125) used greatest stack depth: 13592 bytes left <6>[ 9.378627] chromeos ramoops using acpi device. <6>[ 9.381900] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 9.405718] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 9.455341] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 9.456435] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator <4>[ 9.456470] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 9.458331] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <4>[ 9.494658] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator <4>[ 9.507450] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 9.538254] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 9.566128] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <4>[ 9.576681] da7219 i2c-DLGS7219:00: Invalid micbias pulse level <6>[ 9.584233] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 9.603286] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 9.740047] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 9.755240] Registered efivars operations <6>[ 9.767985] gsmi version 1.0 loaded <3>[ 10.531242] i2c_designware i2c_designware.5: controller timed out <6>[ 10.547138] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 10.564297] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 10.575553] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count <6>[ 10.581784] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 10.584380] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090) <6>[ 10.598928] 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>[ 10.609937] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 10.616206] usbcore: registered new interface driver uvcvideo <6>[ 10.629099] USB Video Class driver (1.1.1) <6>[ 10.630497] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 10.660287] udevadm (147) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:0a:de mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.16 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c523na-a20057-coral-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 10.872513] nfsmount (170) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 12.586390] 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>[ 12.627454] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 12.672034] systemd[1]: Set hostname to . <30>[ 14.071650] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 14.089551] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 14.108165] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 14.127218] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 14.146091] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 14.164684] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 14.185317] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 14.207596] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 14.231645] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 14.248618] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 14.260498] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 14.277492] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 14.289518] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 14.302720] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 14.323803] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 14.343197] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 14.362312] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 14.380625] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 14.403605] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 14.421953] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 14.445594] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 14.469559] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 14.496241] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 14.518635] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 14.541068] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 14.570213] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 14.593494] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 14.615520] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <6>[ 14.624000] mount (197) used greatest stack depth: 12528 bytes left <30>[ 14.645419] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 14.677077] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 14.718897] fuse: init (API version 7.32) <30>[ 14.721081] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.742329] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.768721] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.797103] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.814683] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.833325] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.850448] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.895319] 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>[ 14.929241] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 14.944546] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 14.966857] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 14.975706] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 14.994742] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 15.003797] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 15.023686] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 15.042505] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 15.068475] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 15.093307] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 15.122395] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 15.133250] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 15.153299] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 15.175506] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 15.201051] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 15.228657] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 15.247396] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. <30>[ 15.280666] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 15.296930] systemd[1]: Condition check resulted in First Boot Complete being skipped. <30>[ 15.323051] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. <30>[ 15.455156] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. <30>[ 15.477490] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... <30>[ 15.498300] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... <46>[ 15.616884] systemd-journald[206]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] 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. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Service. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Network Name Resolution... [ 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 ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Started User Login Management. [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ 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 5.10.181-cip34 #1 SMP Tue May 30 15:47:57 UTC 2023 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/10527088/extract-nfsrootfs-2zn12b66' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10527088/extract-nfsrootfs-2zn12b66' / # 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-10527088/environment . /lava-10527088/environment / # /lava-10527088/bin/lava-test-runner /lava-10527088/0 /lava-10527088/bin/lava-test-runner /lava-10527088/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10527088/0/tests/0_timesync-off ++ cat uuid + UUID=10527088_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-10527088/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10527088_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/v5.10.180-cip34-213-g6582dd41d2c22/x86_64/x86_64_defconfig+x86-chromebook+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 --2023-05-30 16:02:13-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-213-g6582dd41d2c22/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3595136 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 175KB/s kselftest.tar.xz 6%[> ] 219.84K 385KB/s kselftest.tar.xz 25%[====> ] 898.59K 1.02MB/s kselftest.tar.xz 39%[======> ] 1.35M 1.27MB/s kselftest.tar.xz 88%[================> ] 3.05M 2.24MB/s kselftest.tar.xz 100%[===================>] 3.43M 2.51MB/s in 1.4s 2023-05-30 16:02:15 (2.51 MB/s) - 'kselftest.tar.xz' saved [3595136/3595136] 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 =============== <12>[ 40.407662] 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>[ 41.342971] lkdtm: Performing direct entry BUG <4>[ 41.348595] ------------[ cut here ]------------ <2>[ 41.354163] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 41.360496] invalid opcode: 0000 [#1] SMP PTI <4>[ 41.365672] CPU: 3 PID: 636 Comm: cat Tainted: G W 5.10.181-cip34 #1 <4>[ 41.374523] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 41.381441] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.386120] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 41.407407] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 41.413545] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.421817] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 41.430087] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.438359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.446629] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 41.454899] FS: 00007f3c92c69580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 <4>[ 41.464239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.470954] CR2: 00007f3c92a73000 CR3: 00000001029a4000 CR4: 00000000003506e0 <4>[ 41.479225] Call Trace: <4>[ 41.482262] ? __die_body.cold+0x1a/0x1f <4>[ 41.486948] ? die+0x2b/0x50 <4>[ 41.490460] ? do_trap+0x91/0x110 <4>[ 41.494460] ? lkdtm_BUG+0x5/0x10 <4>[ 41.498460] ? do_error_trap+0x90/0x110 <4>[ 41.503041] ? lkdtm_BUG+0x5/0x10 <4>[ 41.507039] ? lkdtm_BUG+0x5/0x10 <4>[ 41.511040] ? exc_invalid_op+0x4e/0x70 <4>[ 41.515619] ? lkdtm_BUG+0x5/0x10 <4>[ 41.519620] ? asm_exc_invalid_op+0x12/0x20 <4>[ 41.524594] ? direct_entry+0xe0/0xe0 <4>[ 41.528984] ? lkdtm_BUG+0x5/0x10 <4>[ 41.532984] direct_entry.cold+0x2c/0x38 <4>[ 41.537665] full_proxy_write+0x56/0x80 <4>[ 41.542251] vfs_write+0xea/0x3b0 <4>[ 41.546254] ksys_write+0x68/0xf0 <4>[ 41.550256] do_syscall_64+0x33/0x40 <4>[ 41.554549] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 41.560493] RIP: 0033:0x7f3c92b7f473 <4>[ 41.564785] 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>[ 41.586071] RSP: 002b:00007ffedebc7578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.594831] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3c92b7f473 <4>[ 41.603100] RDX: 0000000000000004 RSI: 00007f3c92a73000 RDI: 0000000000000001 <4>[ 41.611367] RBP: 00007f3c92a73000 R08: 00007f3c92a72010 R09: 0000000000000000 <4>[ 41.619635] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.627906] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 41.636185] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <0>[ 41.678248] gsmi: Log Shutdown Reason 0x03 <4>[ 41.683481] ---[ end trace ecc6a9d815a0757d ]--- <4>[ 41.689120] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.694198] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 41.715715] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 41.722013] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.730375] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 41.738655] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.746932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.755281] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 41.763596] FS: 00007f3c92c69580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 <4>[ 41.772978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.779855] CR2: 00007f3c92a73000 CR3: 00000001029a4000 CR4: 00000000003506e0 # Segmentation fault # [ 41.342971] lkdtm: Performing direct entry BUG # [ 41.348595] ------------[ cut here ]------------ # [ 41.354163] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 41.360496] invalid opcode: 0000 [#1] SMP PTI # [ 41.365672] CPU: 3 PID: 636 Comm: cat Tainted: G W 5.10.181-cip34 #1 # [ 41.374523] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 41.381441] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.386120] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 41.407407] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 41.413545] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.421817] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 41.430087] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 41.438359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.446629] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 41.454899] FS: 00007f3c92c69580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 41.464239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.470954] CR2: 00007f3c92a73000 CR3: 00000001029a4000 CR4: 00000000003506e0 # [ 41.479225] Call Trace: # [ 41.482262] ? __die_body.cold+0x1a/0x1f # [ 41.486948] ? die+0x2b/0x50 # [ 41.490460] ? do_trap+0x91/0x110 # [ 41.494460] ? lkdtm_BUG+0x5/0x10 # [ 41.498460] ? do_error_trap+0x90/0x110 # [ 41.503041] ? lkdtm_BUG+0x5/0x10 # [ 41.507039] ? lkdtm_BUG+0x5/0x10 # [ 41.511040] ? exc_invalid_op+0x4e/0x70 # [ 41.515619] ? lkdtm_BUG+0x5/0x10 # [ 41.519620] ? asm_exc_invalid_op+0x12/0x20 # [ 41.524594] ? direct_entry+0xe0/0xe0 # [ 41.528984] ? lkdtm_BUG+0x5/0x10 # [ 41.532984] direct_entry.cold+0x2c/0x38 # [ 41.537665] full_proxy_write+0x56/0x80 # [ 41.542251] vfs_write+0xea/0x3b0 # [ 41.546254] ksys_write+0x68/0xf0 # [ 41.550256] do_syscall_64+0x33/0x40 # [ 41.554549] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.560493] RIP: 0033:0x7f3c92b7f473 # [ 41.564785] 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<6>[ 42.080762] lkdtm: Performing direct entry WARNING 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0<4>[ 42.092229] ------------[ cut here ]------------ 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 42.103903] WARNING: CPU: 3 PID: 673 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 41.586071] RSP: 002b:00007ffedebc7578 EFLAGS: 00000246 ORIG_RA<4>[ 42.119823] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table X: 0000000000000001 # [ 41.594831] RAX: ffffffffffffffda RBX:<4>[ 42.166120] CPU: 3 PID: 673 Comm: cat Tainted: G D W 5.10.181-cip34 #1 0000000000000004 RCX: 00007f3c92b7f473 # [ 41.603100] RDX: 0<4>[ 42.181142] Hardware name: Google Coral/Coral, BIOS 09/29/2020 000000000000004 RSI: 00007f3c92a73000 RDI: 0000000000000001 # [<4>[ 42.194259] RIP: 0010:lkdtm_WARNING+0x13/0x20 41.611367] RBP: 00007f3c92a73000 R08: 00007f3c92a72010 R09: 0<4>[ 42.205656] 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 60 57 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 000000000000000 # [ 41.619635] R10: fffffffffffffbc5 R11: 000<4>[ 42.233160] RSP: 0018:ffffa4aa812d7e60 EFLAGS: 00010202 0000000000246 R12: 0000000000000001 # [ 41.627906] R13: 00000<4>[ 42.245500] RAX: ffffffff8e379440 RBX: 0000000000000002 RCX: 0000000000000000 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 4<4>[ 42.259998] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e840 1.636185] Modules linked in: fuse ip_tables cros_ec_chardev uvcv<4>[ 42.274502] RBP: ffffffff8f7f9477 R08: 0000000000000000 R09: 0000000000000000 ideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2<4>[ 42.288981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 _vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger vide<4>[ 42.303492] R13: ffffa4aa812d7f10 R14: ffffa4aa812d7f10 R15: ffff9d8c43fa2000 obuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_commo<4>[ 42.317971] FS: 00007f7356865580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 n snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd<4>[ 42.333546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pst<4>[ 42.346470] CR2: 00007f735666f000 CR3: 0000000103f8e000 CR4: 00000000003506e0 ore coreboot_table # [ 41.678248] gsmi: Log Shutdown Reason 0<4>[ 42.360987] Call Trace: x03 # [ 41.683481] ---[ end trace ecc6a9d815a0757d ]--- # [ <4>[ 42.370301] ? __warn+0x80/0x110 41.689120] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.694198] Code<4>[ 42.380652] ? lkdtm_WARNING+0x13/0x20 : 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff<4>[ 42.391147] ? report_bug+0x9e/0xc0 ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <4>[ 42.401728] ? handle_bug+0x41/0x90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9<4>[ 42.412106] ? exc_invalid_op+0x14/0x70 02 # [ 41.715715] RSP: 0018:ffffa4aa81257e60 EFLAGS: 0001028<4>[ 42.422910] ? asm_exc_invalid_op+0x12/0x20 6 # [ 41.722013] RAX: ffffffff8e379430 RBX: 0000000000000001 <4>[ 42.434084] ? lkdtm_BUG+0x10/0x10 RCX: 0000000000000000 # [ 41.730375] RDX: 0000000000000000 RS<4>[ 42.444271] ? lkdtm_WARNING+0x13/0x20 I: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 41.738655] RBP:<4>[ 42.455101] direct_entry.cold+0x2c/0x38 ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 #<4>[ 42.465901] full_proxy_write+0x56/0x80 [ 41.746932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:<4>[ 42.476790] vfs_write+0xea/0x3b0 0000000000000004 # [ 41.755281] R13: ffffa4aa81257f10 R14: f<4>[ 42.486941] ksys_write+0x68/0xf0 fffa4aa81257f10 R15: ffff9d8c42987000 # [ 41.763596] FS: 000<4>[ 42.497201] do_syscall_64+0x33/0x40 07f3c92c69580(0000) GS:ffff9d8cbbd80000(0000) knlGS:000000000000<4>[ 42.507653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000 # [ 41.772978] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000<4>[ 42.519977] RIP: 0033:0x7f735677b473 80050033 # [ 41.779855] CR2: 00007f3c92a73000 CR3: 0000000102<4>[ 42.530365] 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 9a4000 CR4: 00000000003506e0 # BUG: saw 'kernel BUG at': ok ok<4>[ 42.557976] RSP: 002b:00007ffd1af37628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh <4>[ 42.572870] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f735677b473 <4>[ 42.587033] RDX: 0000000000000008 RSI: 00007f735666f000 RDI: 0000000000000001 <4>[ 42.595386] RBP: 00007f735666f000 R08: 00007f735666e010 R09: 0000000000000000 <4>[ 42.603773] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.612129] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 42.620512] irq event stamp: 0 <4>[ 42.624322] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.631779] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 42.641368] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 42.650970] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.658396] ---[ end trace ecc6a9d815a0757e ]--- # [ 42.080762] lkdtm: Performing direct entry WARNING # [ 42.092229] ------------[ cut here ]------------ # [ 42.103903] WARNING: CPU: 3 PID: 673 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 42.119823] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 42.166120] CPU: 3 PID: 673 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 42.181142] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 42.194259] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 42.205656] 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 60 57 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 # [ 42.233160] RSP: 0018:ffffa4aa812d7e60 EFLAGS: 00010202 # [ 42.245500] RAX: ffffffff8e379440 RBX: 0000000000000002 RCX: 0000000000000000 # [ 42.259998] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e840 # [ 42.274502] RBP: ffffffff8f7f9477 R08: 0000000000000000 R09: 0000000000000000 # [ 42.288981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 42.303492] R13: ffffa4aa812d7f10 R14: ffffa4aa812d7f10 R15: ffff9d8c43fa2000 # [ 42.317971] FS: 00007f7356865580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 42.333546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.346470] CR2: 00007f735666f000 CR3: 0000000103f8e000 CR4: 00000000003506e0 # [ 42.360987] Call Trace: # [ 42.370301] ? __warn+0x80/0x110 # [ 42.380652] ? lkdtm_WARNING+0x13/0x20 # [ 42.391147] ? report_bug+0x9e/0xc0 # [ 42.401728] ? handle_bug+0x41/0x90 # [ 42.412106] ? exc_invalid_op+0x14/0x70 # [ 42.422910] ? asm_exc_invalid_op+0x12/0x20 # [ 42.434084] ? lkdtm_BUG+0x10/0x10 # [ 42.444271] ? lkdtm_WARNING+0x13/0x20 # [ 42.455101] direct_entry.cold+0x2c/0x38 # [ 42.465901] full_proxy_write+0x56/0x80 # [ 42.<6>[ 42.923087] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 42.929650] ------------[ cut here ]------------ <4>[ 42.935126] Warning message trigger count: 2 476790] vfs_write+0xea/0x3b0 # [ 42.486941] ksys_write+0x68<4>[ 42.940292] WARNING: CPU: 2 PID: 708 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 /0xf0 # [ 42.497201] do_syscall_64+0x33/0x40 # [ 42.50765<4>[ 42.956921] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 3] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.519977] R<4>[ 43.003221] CPU: 2 PID: 708 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 43.018337] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 43.025273] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 43.031223] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 e9 02 48 c7 c7 d8 99 7f 8f 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 43.052520] RSP: 0018:ffffa4aa81367e60 EFLAGS: 00010286 <4>[ 43.058674] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 43.066964] RDX: ffff9d8cbbd2c660 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 <4>[ 43.075245] RBP: ffffffff8f7f947f R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.083528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 43.091820] R13: ffffa4aa81367f10 R14: ffffa4aa81367f10 R15: ffff9d8c44656000 <4>[ 43.100110] FS: 00007ff7ef21d580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 43.109465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.116193] CR2: 00007ff7ef027000 CR3: 0000000106954000 CR4: 00000000003506e0 <4>[ 43.124477] Call Trace: <4>[ 43.127534] ? __warn+0x80/0x110 <4>[ 43.131458] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 43.136741] ? report_bug+0x9e/0xc0 <4>[ 43.140959] ? handle_bug+0x41/0x90 IP: 0033:0x7f735677b473 # [ 42.530365] Code: 8b 15 21 2a 0e 0<4>[ 43.145166] ? exc_invalid_op+0x14/0x70 <4>[ 43.155967] ? asm_exc_invalid_op+0x12/0x20 <4>[ 43.160966] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 43.166252] direct_entry.cold+0x2c/0x38 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25<4>[ 43.170957] full_proxy_write+0x56/0x80 <4>[ 43.181782] vfs_write+0xea/0x3b0 <4>[ 43.185802] ksys_write+0x68/0xf0 <4>[ 43.189826] do_syscall_64+0x33/0x40 <4>[ 43.194136] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.200096] RIP: 0033:0x7ff7ef133473 <4>[ 43.204404] 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>[ 43.225700] RSP: 002b:00007ffe83260378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f<4>[ 43.234485] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007ff7ef133473 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.5579<4>[ 43.248966] RDX: 0000000000000010 RSI: 00007ff7ef027000 RDI: 0000000000000001 <4>[ 43.263462] RBP: 00007ff7ef027000 R08: 00007ff7ef026010 R09: 0000000000000000 <4>[ 43.271740] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.280024] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.288327] irq event stamp: 0 <4>[ 43.292054] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.299376] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 43.308831] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 43.318285] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.325592] ---[ end trace ecc6a9d815a0757f ]--- 76] RSP: 002b:00007ffd1af37628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.572870] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f735677b473 # [ 42.587033] RDX: 0000000000000008 RSI: 00007f735666f000 RDI: 0000000000000001 # [ 42.595386] RBP: 00007f735666f000 R08: 00007f735666e010 R09: 0000000000000000 # [ 42.603773] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.612129] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.620512] irq event stamp: 0 # [ 42.624322] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.631779] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 42.641368] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 42.650970] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.658396] ---[ end trace ecc6a9d815a0757e ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 42.923087] lkdtm: Performing direct entry WARNING_MESSAGE # [ 42.929650] ------------[ cut here ]------------ # [ 42.935126] Warning message trigger count: 2 # [ 42.940292] WARNING: CPU: 2 PID: 708 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 42.956921] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 43.003221] CPU: 2 PID: 708 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 43.018337] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.025273] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.031223] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 57 e9 02 48 c7 c7 d8 99 7f 8f 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 43.052520] RSP: 0018:ffffa4aa81367e60 EFLAGS: 00010286 # [ 43.058674] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 43.066964] RDX: ffff9d8cbbd2c660 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 # [ 43.075245] RBP: ffffffff8f7f947f R08: 0000000000000000 R09: 0000000000000000 # [ 43.083528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 #<6>[ 43.574293] lkdtm: Performing direct entry EXCEPTION <1>[ 43.585667] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 43.593729] #PF: supervisor write access in kernel mode <1>[ 43.599857] #PF: error_code(0x0002) - not-present page <6>[ 43.605888] PGD 0 P4D 0 <4>[ 43.609019] Oops: 0002 [#2] SMP PTI <4>[ 43.613210] CPU: 2 PID: 740 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 43.622060] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 43.628980] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 43.634239] Code: 48 c7 c7 d8 99 7f 8f 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 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>[ 43.655527] RSP: 0018:ffffa4aa81367e60 EFLAGS: 00010286 <4>[ 43.661664] RAX: ffffffff8e379490 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 43.669935] RDX: 0000000000000000 RSI: ffff9d8cbbd1bf70 RDI: ffffffff8f37e860 <4>[ 43.678204] RBP: ffffffff8f6ed9df R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.686471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 43.694738] R13: ffffa4aa81367f10 R14: ffffa4aa81367f10 R15: ffff9d8c4464f000 <4>[ 43.703006] FS: 00007fc7e1b10580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 43.712344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.719058] CR2: 0000000000000000 CR3: 0000000103dca000 CR4: 00000000003506e0 <4>[ 43.727327] Call Trace: <4>[ 43.730364] ? __die_body.cold+0x1a/0x1f <4>[ 43.735047] ? no_context+0x177/0x380 <4>[ 43.739440] ? exc_page_fault+0x53/0x170 <4>[ 43.744118] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.749091] ? lkdtm_WARNING_MESSAGE+0x30/0x30 < [4 43.091820] R13: ffffa4aa81367f10 R14: ffffa4aa81367f10 R15>[ 43.754355] ? lkdtm_EXCEPTION+0x5/0x20 ffff9d8c44656000 # [ 43.100110] FS: 00007ff7ef21d580(0000) <4>[ 43.765064] direct_entry.cold+0x2c/0x38 <4>[ 43.775966] full_proxy_write+0x56/0x80 <4>[ 43.780548] vfs_write+0xea/0x3b0 <4>[ 43.784546] ksys_write+0x68/0xf0 <4>[ 43.788542] do_syscall_64+0x33/0x40 <4>[ 43.792833] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.798775] RIP: 0033:0x7fc7e1a26473 <4>[ 43.803065] 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>[ 43.824350] RSP: 002b:00007ffd9f1299a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.833110] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7e1a26473 <4>[ 43.841379] RDX: 000000000000000a RSI: 00007fc7e191a000 RDI: 0000000000000001 <4>[ 43.849645] RBP: 00007fc7e191a000 R08: 00007fc7e1919010 R09: 0000000000000000 <4>[ 43.857910] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.866174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 43.10946<4>[ 43.874453] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 43.920769] CR2: 0000000000000000 <4>[ 43.924769] ---[ end trace ecc6a9d815a07580 ]--- <4>[ 43.930218] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.934898] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 43.956182] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 43.962317] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.970587] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 43.978857] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.987129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.995398] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 44.003671] FS: 00007fc7e1b10580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 44.013008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.019724] CR2: 0000000000000000 CR3: 0000000103dca000 CR4: 00000000003506e0 <3>[ 44.027994] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.038207] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 740, name: cat <4>[ 44.046867] INFO: lockdep is turned off. <4>[ 44.051543] irq event stamp: 0 <4>[ 44.055248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.062548] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 44.071987] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 44.081423] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.088724] CPU: 2 PID: 740 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 44.097577] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.104485] Call Trace: <4>[ 44.107517] dump_stack+0x77/0x9b <4>[ 44.111519] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.116397] exit_signals+0x1c/0x300 <4>[ 44.120690] do_exit+0xc2/0xab0 <4>[ 44.124497] ? ksys_write+0x68/0xf0 <4>[ 44.128690] make_task_dead+0x2f/0x30 <4>[ 44.133066] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.138615] RIP: 0033:0x7fc7e1a26473 <4>[ 44.142901] 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>[ 44.164190] RSP: 002b:00007ffd9f1299a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.172953] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7e1a26473 <4>[ 44.181222] RDX: 000000000000000a RSI: 00007fc7e191a000 RDI: 0000000000000001 <4>[ 44.189490] RBP: 00007fc7e191a000 R08: 00007fc7e1919010 R09: 0000000000000000 <4>[ 44.197759] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.206029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.116193] CR2: 00007ff7ef027000 CR3: 0000000106954000 CR4: 00000000003506e0 # [ 43.124477] Call Trace: # [ 43.127534] ? __warn+0x80/0x110 # [ 43.131458] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.136741] ? report_bug+0x9e/0xc0 # [ 43.140959] ? handle_bug+0x41/0x90 # [ 43.145166] ? exc_invalid_op+0x14/0x70 # [ 43.155967] ? asm_exc_invalid_op+0x12/0x20 # [ 43.160966] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 43.166252] direct_entry.cold+0x2c/0x38 # [ 43.170957] full_proxy_write+0x56/0x80 # [ 43.181782] vfs_write+0xea/0x3b0 # [ 43.185802] ksys_write+0x68/0xf0 # [ 43.189826] do_syscall_64+0x33/0x40 # [ 43.194136] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.200096] RIP: 0033:0x7ff7ef133473 # [ 43.204404] 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 # [ 43.225700] RSP: 002b:00007ffe83260378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.234485] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007ff7ef133473 # [ 43.248966] RDX: 0000000000000010 RSI: 00007ff7ef027000 RDI: 0000000000000001 # [ 43.263462] RBP: 00007ff7ef027000 R08: 00007ff7ef026010 R09: 0000000000000000 # [ 43.271740] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.280024] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.288327] irq event stamp: 0 # [ 43.292054] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.299376] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 43.308831] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 43.318285] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.325592] ---[ end trace ecc6a9d815a0757f ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 43.574293] lkdtm: Performing direct entry EXCEPTION # [ 43.585667] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 43.593729] #PF: supervisor write access in kernel mode # [ 43.599857] #PF: error_code(0x0002) - not-present page # [ 43.605888] PGD 0 P4D 0 # [ 43.609019] Oops: 0002 [#2] SMP PTI # [ 43.613210] CPU: 2 PID: 740 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 43.622060] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.628980] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 43.634239] Code: 48 c7 c7 d8 99 7f 8f 8d 70 01 89 35 31 57 e9 02 e8 57 d2 64 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 # [ 43.655527] RSP: 0018:ffffa4aa81367e60 EFLAGS: 00010286 # [ 43.661664] RAX: ffffffff8e379490 RBX: 0000000000000004 RCX: 0000000000000000 # [ 43.669935] RDX: 0000000000000000 RSI: ffff9d8cbbd1bf70 RDI: ffffffff8f37e860 # [ 43.678204] RBP: ffffffff8f6ed9df R08: 0000000000000000 R09: 0000000000000000 # [ 43.686471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 43.694738] R13: ffffa4aa81367f10 R14: ffffa4aa81367f10 R15: ffff9d8c4464f000 # [ 43.703006] FS: 00007fc7e1b10580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 43.712344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.719058] CR2: 0000000000000000 CR3: 0000000103dca000 CR4: 00000000003506e0 # [ 43.727327] Call Trace: # [ 43.730364] ? __die_body.cold+0x1a/0x1f # [ 43.735047] ? no_context+0x177/0x380 # [ 43.739440] ? exc_page_fault+0x53/0x170 # [ 43.744118] ? asm_exc_page_fault+0x1e/0x30 # [ 43.749091] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 43.754355] ? lkdtm_EXCEPTION+0x5/0x20 # [ 43.765064] direct_entry.cold+0x2c/0x38 # [ 43.775966] full_proxy_write+0x56/0x80 # [ 43.780548] vfs_write+0xea/0x3b0 # [ 43.784546] ksys_write+0x68/0xf0 # [ 43.788542] do_syscall_64+0x33/0x40 # [ 43.792833] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.798775] RIP: 0033:0x7fc7e1a26473 # [ 43.803065] 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 # [ 43.824350] RSP: 002b:00007ffd9f1299a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.833110] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7e1a26473 # [ 43.841379] RDX: 000000000000000a RSI: 00007fc7e191a000 RDI: 0000000000000001 # [ 43.849645] RBP: 00007fc7e191a000 R08: 00007fc7e1919010 R09: 0000000000000000 # [ 43.857910] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.866174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.874453] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 43.920769] CR2: 0000000000000000 # [ 43.924769] ---[ end trace ecc6a9d815a07580 ]--- # [ 43.930218] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.934898] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 43.956182] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 43.962317] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.970587] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 43.978857] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 43.987129] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.995398] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 44.003671] FS: 00007fc7e1b10580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 44.013008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.019724] CR2: 0000000000000000 CR3: 0000000103dca000 CR4: 00000000003506e0 # [ 44.027994] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 44.038207] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 740, name: cat # [ 44.046867] INFO: lockdep is turned off. # [ 44.051543] irq event stamp: 0 # [ 44.055248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.062548] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 44.071987] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 44.081423] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.088724] CPU: 2 PID: 740 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 44.097577] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.104485] Call Trace: # [ 44.107517] dump_stack+0x77/0x9b # [ 44.111519] ___might_sleep.cold+0xa6/0xb6 # [ 44.116397] exit_signals+0x1c/0x300 # [ 44.120690] do_exit+0xc2/0xab0 # [ 44.124497] ? ksys_write+0x68/0xf0 # [ 44.128690] make_task_dead+0x2f/0x30 # [ 44.133066] rewind_stack_and_make_dead+0x17/0x20 # [ 44.138615] RIP: 0033:0x7fc7e1a26473 # [ 44.142901] 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 # [ 44.164190] RSP: 002b:00007ffd9f1299a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.172953] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc7e1a26473 # [ 44.181222] RDX: 000000000000000a RSI: 00007fc7e191a000 RDI: 0000000000000001 # [ 44.189490] RBP: 00007fc7e191a000 R08: 00007fc7e1919010 R09: 0000000000000000 # [ 44.197759] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.206029] 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<6>[ 45.060028] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 45.072624] lkdtm: attempting good list addition <6>[ 45.078118] lkdtm: attempting corrupted list addition <3>[ 45.084079] lkdtm: list_add() corruption not detected! 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 # [ 45.060028] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 45.072624] lkdtm: attempting good list addition # [ 45.078118] lkdtm: attempting corrupted list addition # [ 45.084079] 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>[ 45.335919] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 45.342474] lkdtm: attempting good list removal <6>[ 45.347868] lkdtm: attempting corrupted list removal <3>[ 45.353736] lkdtm: list_del() corruption not detected! # [ 45.335919] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 45.342474] lkdtm: attempting good list removal # [ 45.347868] lkdtm: attempting corrupted list removal # [ 45.353736] 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>[ 45.596424] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 45.603771] lkdtm: attempting bad read from page below current stack <0>[ 45.611214] BUG: stack guard page was hit at 000000008ef52257 (stack is 0000000074e51768..00000000df156ffc) <4>[ 45.622403] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 45.629508] CPU: 1 PID: 965 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 45.638355] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 45.645269] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 45.652080] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 9d 7f 8f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 b8 9d 7f 8f <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44 <4>[ 45.673348] RSP: 0018:ffffa4aa81737e50 EFLAGS: 00010246 <4>[ 45.679481] RAX: 0000000000000038 RBX: ffffa4aa81734000 RCX: 0000000000000000 <4>[ 45.687745] RDX: 0000000000000000 RSI: ffff9d8cbbc9bf70 RDI: ffffffff8f7f9db8 <4>[ 45.696008] RBP: ffffffff8f7f94e2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.704273] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 45.712536] R13: ffffa4aa81737f10 R14: ffffa4aa81737f10 R15: ffff9d8c45d33000 <4>[ 45.720804] FS: 00007f4bd771e580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 45.730130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.736839] CR2: ffffa4aa81733fff CR3: 00000001026ce000 CR4: 00000000003506e0 <4>[ 45.745105] Call Trace: <4>[ 45.748133] <#DF> <4>[ 45.750681] ? __die_body.cold+0x1a/0x1f <4>[ 45.755362] ? die+0x2b/0x50 <4>[ 45.758873] ? handle_stack_overflow+0x3e/0x4d <4>[ 45.764135] ? no_context+0x24d/0x380 <4>[ 45.768514] <4>[ 45.771147] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 45.811246] ---[ end trace ecc6a9d815a07581 ]--- <4>[ 45.816703] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.821380] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 45.842651] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 45.848783] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.857045] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 45.865307] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.873568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.881831] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 45.890099] FS: 00007f4bd771e580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 45.899431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.906142] CR2: ffffa4aa81733fff CR3: 00000001026ce000 CR4: 00000000003506e0 <3>[ 45.914407] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.924611] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 965, name: cat <4>[ 45.933265] INFO: lockdep is turned off. <4>[ 45.937936] irq event stamp: 0 <4>[ 45.941641] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.948932] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.958362] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.967791] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.975088] CPU: 1 PID: 965 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 45.983936] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 45.990843] Call Trace: <4>[ 45.993871] dump_stack+0x77/0x9b <4>[ 45.997870] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.002744] exit_signals+0x1c/0x300 <4>[ 46.007033] do_exit+0xc2/0xab0 <4>[ 46.010838] ? ksys_write+0x68/0xf0 <4>[ 46.015031] make_task_dead+0x2f/0x30 <4>[ 46.019415] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.024964] RIP: 0033:0x7f4bd7634473 <4>[ 46.029253] 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>[ 46.050530] RSP: 002b:00007ffd6d3a5078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.059283] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4bd7634473 <4>[ 46.067548] RDX: 0000000000000019 RSI: 00007f4bd7528000 RDI: 0000000000000001 <4>[ 46.075815] RBP: 00007f4bd7528000 R08: 00007f4bd7527010 R09: 0000000000000000 <4>[ 46.084079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.092344] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 45.596424] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 45.603771] lkdtm: attempting bad read from page below current stack # [ 45.611214] BUG: stack guard page was hit at 000000008ef52257 (stack is 0000000074e51768..00000000df156ffc) # [ 45.622403] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 45.629508] CPU: 1 PID: 965 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 45.638355] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.645269] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 45.652080] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 9d 7f 8f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 b8 9d 7f 8f <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44 # [ 45.673348] RSP: 0018:ffffa4aa81737e50 EFLAGS: 00010246 # [ 45.679481] RAX: 0000000000000038 RBX: ffffa4aa81734000 RCX: 0000000000000000 # [ 45.687745] RDX: 0000000000000000 RSI: ffff9d8cbbc9bf70 RDI: ffffffff8f7f9db8 # [ 45.696008] RBP: ffffffff8f7f94e2 R08: 0000000000000000 R09: 0000000000000000 # [ 45.704273] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 45.712536] R13: ffffa4aa81737f10 R14: ffffa4aa81737f10 R15: ffff9d8c45d33000 # [ 45.720804] FS: 00007f4bd771e580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 # [ 45.730130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.736839] CR2: ffffa4aa81733fff CR3: 00000001026ce000 CR4: 00000000003506e0 # [ 45.745105] Call Trace: # [ 45.748133] <#DF> # [ 45.750681] ? __die_body.cold+0x1a/0x1f # [ 45.755362] ? die+0x2b/0x50 # [ 45.758873] ? handle_stack_overflow+0x3e/0x4d # [ 45.764135] ? no_context+0x24d/0x380 # [ 45.768514] # [ 45.771147] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 45.811246] ---[ end trace ecc6a9d815a07581 ]--- # [ 45.816703] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.821380] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 45.842651] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 45.848783] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.857045] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 45.865307] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 45.873568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ <6>[ 46.423196] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 46.435244] lkdtm: attempting bad read from page above current stack <0>[ 46.442699] BUG: stack guard page was hit at 000000000d93e212 (stack is 00000000b01dfcc7..00000000d7bec657) <4>[ 46.453882] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 46.460986] CPU: 1 PID: 998 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 46.469830] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 46.476746] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 46.483644] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 9d 7f 8f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7b de fb ff 48 c7 c7 30 9e 7f 8f <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 5e de fb ff <4>[ 46.504914] RSP: 0018:ffffa4aa817c7e50 EFLAGS: 00010246 <4>[ 46.511046] RAX: 0000000000000038 RBX: ffffa4aa817c4000 RCX: 0000000000000000 <4>[ 46.519310] RDX: 0000000000000000 RSI: ffff9d8cbbc9bf70 RDI: ffffffff8f7f9e30 <4>[ 46.527576] RBP: ffffffff8f7f94fb R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.535841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 46.544108] R13: ffffa4aa817c7f10 R14: ffffa4aa817c7f10 R15: ffff9d8c43d78000 <4>[ 46.552377] FS: 00007f2c23af2580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 46.561709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.568421] CR2: ffffa4aa817c8000 CR3: 0000000103d10000 CR4: 00000000003506e0 <4>[ 46.576687] Call Trace: <4>[ 46.579713] <#DF> <4>[ 46.582258] ? __die_body.cold+0x1a/0x1f <4>[ 46.586939] ? die+0x2b/0x50 <4>[ 46.590449] ? handle_stack_overflow+0x3e/0x4d <4>[ 46.595708] ? no_context+0x24d/0x380 <4>[ 46.600081] < 445.881831] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: f>[ 46.602713] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 46.648925] ---[ end trace ecc6a9d815a07582 ]--- <4>[ 46.654382] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.659054] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 46.680320] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 46.686448] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.694713] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 46.702976] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.711244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.719504] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 46.727770] FS: 00007f2c23af2580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 46.737105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.743816] CR2: ffffa4aa817c8000 CR3: 0000000103d10000 CR4: 00000000003506e0 ff9d8c42987000 # [ 45.890099] FS: 00007f4bd771e580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 # [ 45.899431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.906142] CR2: ffffa4aa81733fff CR3: 00000001026ce000 CR4: 00000000003506e0 # [ 45.914407] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 45.924611] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 965, name: cat # [ 45.933265] INFO: lockdep is turned off. # [ 45.937936] irq event stamp: 0 # [ 45.941641] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.948932] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 45.958362] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 45.967791] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.975088] CPU: 1 PID: 965 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 45.983936] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.990843] Call Trace: # [ 45.993871] dump_stack+0x77/0x9b # [ 45.997870] ___might_sleep.cold+0xa6/0xb6 # [ 46.002744] exit_signals+0x1c/0x300 # [ 46.007033] do_exit+0xc2/0xab0 # [ 46.010838] ? ksys_write+0x68/0xf0 # [ 46.015031] make_task_dead+0x2f/0x30 # [ 46.019415] rewind_stack_and_make_dead+0x17/0x20 # [ 46.024964] RIP: 0033:0x7f4bd7634473 # [ 46.029253] 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 # [ 46.050530] RSP: 002b:00007ffd6d3a5078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.059283] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f4bd7634473 # [ 46.067548] RDX: 0000000000000019 RSI: 00007f4bd7528000 RDI: 0000000000000001 # [ 46.075815] RBP: 00007f4bd7528000 R08: 00007f4bd7527010 R09: 0000000000000000 # [ 46.084079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.092344] 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 # [ 46.423196] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 46.435244] lkdtm: attempting bad read from page above current stack # [ 46.442699] BUG: stack guard page was hit at 000000000d93e212 (stack is 000000<6>[ 46.999425] lkdtm: Performing direct entry UNSET_SMEP 00b01dfcc7..00000000d7bec657) # [ 46.453882] kernel stack ove<6>[ 47.006784] lkdtm: trying to clear SMEP normally rflow (page fault): 0000 [#4] SMP PTI # [ 46.460986] CPU: 1 P<4>[ 47.018490] ------------[ cut here ]------------ ID: 998 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 47.030192] pinned CR4 bits changed: 0x100000!? # [ 46.469830] Hardware name: Google Coral/Coral, BIOS 09/29<4>[ 47.041757] WARNING: CPU: 3 PID: 1034 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 /2020 # [ 46.476746] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILIN<4>[ 47.058731] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table G+0x27/0x3d # [ 46.483644] Code: de fb ff 0f 1f 44 00 00 53 4<4>[ 47.104731] CPU: 3 PID: 1034 Comm: cat Tainted: G D W 5.10.181-cip34 #1 8 c7 c7 f0 9d 7f 8f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8<4>[ 47.120039] Hardware name: Google Coral/Coral, BIOS 09/29/2020 7b de fb ff 48 c7 c7 30 9e 7f 8f <8a> 83 00 40 00 00 88 44 24 0<4>[ 47.133212] RIP: 0010:native_write_cr4+0x45/0x60 7 0f b6 74 24 07 5a 5b e9 5e de fb ff # [ 46.504914] RSP: 001<4>[ 47.144773] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 34 46 02 00 75 f2 48 c7 c7 a0 7a 6f 8f c6 05 e3 34 46 02 01 e8 d2 40 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 8:ffffa4aa817c7e50 EFLAGS: 00010246 # [ 46.511046] RAX: 00000<4>[ 47.172218] RSP: 0018:ffffa4aa81847e48 EFLAGS: 00010286 00000000038 RBX: ffffa4aa817c4000 RCX: 0000000000000000 # [ 4<4>[ 47.184597] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 6.519310] RDX: 0000000000000000 RSI: ffff9d8cbbc9bf70 RDI: fffff<4>[ 47.199085] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 fff8f7f9e30 # [ 46.527576] RBP: ffffffff8f7f94fb R08: 0000000<4>[ 47.213585] RBP: ffffffff8f7f9515 R08: 0000000000000000 R09: 0000000000000000 000000000 R09: 0000000000000000 # [ 46.535841] R10: 00000000f<4>[ 47.228058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b fffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 46.54<4>[ 47.242558] R13: ffffa4aa81847f10 R14: ffffa4aa81847f10 R15: ffff9d8c45ea2000 4108] R13: ffffa4aa817c7f10 R14: ffffa4aa817c7f10 R15: ffff9d8c4<4>[ 47.257020] FS: 00007fb4ad89e580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 3d78000 # [ 46.552377] FS: 00007f2c23af2580(0000) GS:ffff9d8<4>[ 47.272623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 cbbc80000(0000) knlGS:0000000000000000 # [ 46.561709] CS: 00<4>[ 47.285530] CR2: 00007fb4ad6a8000 CR3: 00000001031c8000 CR4: 00000000003506e0 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.568421] CR2<4>[ 47.300045] Call Trace: : ffffa4aa817c8000 CR3: 0000000103d10000 CR4: 00000000003506e0 <4>[ 47.309291] ? __warn+0x80/0x110 # [ 46.576687] Call Trace: # [ 46.579713] <#DF> # [ 46.<4>[ 47.319410] ? native_write_cr4+0x45/0x60 582258] ? __die_body.cold+0x1a/0x1f # [ 46.586939] ? die+0x<4>[ 47.330392] ? report_bug+0x9e/0xc0 2b/0x50 # [ 46.590449] ? handle_stack_overflow+0x3e/0x4d # <4>[ 47.340871] ? handle_bug+0x41/0x90 [ 46.595708] ? no_context+0x24d/0x380 # [ 46.600081] [ 47.351200] ? exc_invalid_op+0x14/0x70 F> # [ 46.602713] Modules linked in: fuse ip_tables cros_ec_c<4>[ 47.362148] ? asm_exc_invalid_op+0x12/0x20 hardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightba<4>[ 47.373285] ? native_write_cr4+0x45/0x60 r videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_<4>[ 47.384309] ? native_write_cr4+0x45/0x60 logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev vide<4>[ 47.395219] lkdtm_UNSET_SMEP.cold+0x1d/0x103 obuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify <4>[ 47.406645] direct_entry.cold+0x2c/0x38 i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c c<4>[ 47.417482] full_proxy_write+0x56/0x80 hromeos_pstore coreboot_table # [ 46.648925] ---[ end trace e<4>[ 47.428430] vfs_write+0xea/0x3b0 cc6a9d815a07582 ]--- # [ 46.654382] RIP: 0010:lkdtm_BUG+0x5/0<4>[ 47.438573] ksys_write+0x68/0xf0 x10 # [ 46.659054] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff <4>[ 47.448855] do_syscall_64+0x33/0x40 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f<4>[ 47.459245] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f <4>[ 47.471520] RIP: 0033:0x7fb4ad7b4473 1f 44 00 00 83 05 60 57 e9 02 # [ 46.680320] RSP: 0018:ffffa4<4>[ 47.481953] 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 aa81257e60 EFLAGS: 00010286 # [ 46.686448] RAX: ffffffff8e379<4>[ 47.509474] RSP: 002b:00007fff4c405e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.694713<4>[ 47.524416] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb4ad7b4473 ] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e<4>[ 47.538947] RDX: 000000000000000b RSI: 00007fb4ad6a8000 RDI: 0000000000000001 830 # [ 46.702976] RBP: ffffffff8f85db78 R08: 000000000000000<4>[ 47.553401] RBP: 00007fb4ad6a8000 R08: 00007fb4ad6a7010 R09: 0000000000000000 1 R09: 0000000000000001 # [ 46.711244] R10: 00000000ffffe000 <4>[ 47.567899] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.719504] R1<4>[ 47.582385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 47.596903] irq event stamp: 0 # [ 46.727770] FS: 00007f2c23af2580(0000) GS:ffff9d8cbbc8000<4>[ 47.606829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0(0000) knlGS:0000000000000000 # [ 46.737105] CS: 0010 DS: 0<4>[ 47.620380] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 000 ES: 0000 CR0: 0000000080050033 # [ 46.743816] CR2: ffffa4<4>[ 47.635999] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 aa817c8000 CR3: 0000000103d10000 CR4: 00000000003506e0 # STACK_<4>[ 47.651660] softirqs last disabled at (0): [<0000000000000000>] 0x0 GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkd<4>[ 47.665183] ---[ end trace ecc6a9d815a07583 ]--- tm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP<6>[ 47.676903] lkdtm: ok: SMEP did not get cleared .sh <6>[ 47.688440] lkdtm: trying to clear SMEP with call gadget <6>[ 47.695156] lkdtm: ok: SMEP removal was reverted # [ 46.999425] lkdtm: Performing direct entry UNSET_SMEP # [ 47.006784] lkdtm: trying to clear SMEP normally # [ 47.018490] ------------[ cut here ]------------ # [ 47.030192] pinned CR4 bits changed: 0x100000!? # [ 47.041757] WARNING: CPU: 3 PID: 1034 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 47.058731] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 47.104731] CPU: 3 PID: 1034 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 47.120039] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.133212] RIP: 0010:native_write_cr4+0x45/0x60 # [ 47.144773] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 34 46 02 00 75 f2 48 c7 c7 a0 7a 6f 8f c6 05 e3 34 46 02 01 e8 d2 40 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 47.172218] RSP: 0018:ffffa4aa81847e48 EFLAGS: 00010286 # [ 47.184597] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 47.199085] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 # [ 47.213585] RBP: ffffffff8f7f9515 R08: 0000000000000000 R09: 0000000000000000 # [ 47.228058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 47.242558] R13: ffffa4aa81847f10 R14: ffffa4aa81847f10 R15: ffff9d8c45ea2000 # [ 47.257020] FS: 00007fb4ad89e580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 47.272623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.285530] CR2: 00007fb4ad6a8000 CR3: 00000001031c8000 CR4: 00000000003506e0 # [ 47.300045] Call Trace: # [ 47.309291] ? __warn+0x80/0x110 # [ 47.319410] ? native_write_cr4+0x45/0x60 # [ 47.330392] ? report_bug+0x9e/0xc0 # [ 47.340871] ? handle_bug+0x41/0x90 # [ 47.351200] ? exc_invalid_op+0x14/0x70 # [ 47.362148] ? asm_exc_invalid_op+0x12/0x20 # [ 47.373285] ? native_write_cr4+0x45/0x60 # [ 47.384309] ? native_write_cr4+0x45/0x60 # [ 47.395219] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 47.406645] direct_entry.cold+0x2c<6>[ 47.979144] lkdtm: Performing direct entry DOUBLE_FAULT /0x38 # [ 47.417482] full_proxy_write+0x56/0x80 # [ 47.42<3>[ 47.989057] lkdtm: XFAIL: this test is ia32-only 8430] vfs_write+0xea/0x3b0 # [ 47.438573] ksys_write+0x68/0xf0 # [ 47.448855] do_syscall_64+0x33/0x40 # [ 47.459245] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.471520] RIP: 0033:0x7fb4ad7b4473 # [ 47.481953] 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 # [ 47.509474] RSP: 002b:00007fff4c405e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.524416] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb4ad7b4473 # [ 47.538947] RDX: 000000000000000b RSI: 00007fb4ad6a8000 RDI: 0000000000000001 # [ 47.553401] RBP: 00007fb4ad6a8000 R08: 00007fb4ad6a7010 R09: 0000000000000000 # [ 47.567899] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.582385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.596903] irq event stamp: 0 # [ 47.606829] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.620380] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.635999] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 47.651660] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.665183] ---[ end trace ecc6a9d815a07583 ]--- # [ 47.676903] lkdtm: ok: SMEP did not get cleared # [ 47.688440] lkdtm: trying to clear SMEP with call gadget # [ 47.695156] 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 # [ 47.979144] lkdtm: Performing direct entry DOUBLE_FAULT # [ 47.989057] 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 <6>[ 48.286073] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 48.292156] lkdtm: XFAIL: this test is arm64-only # [ 48.286073] lkdtm: Performing direct entry CORRUPT_PAC # [ 48.292156] 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>[ 48.544700] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 48.552274] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 48.544700] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 48.552274] 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>[ 49.071457] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 49.077935] lkdtm: Value in memory before free: 12345678 <6>[ 49.084191] lkdtm: Attempting bad read from freed memory <6>[ 49.090445] lkdtm: Memory was not poisoned # [ 49.071457] lkdtm: Performing direct entry READ_AFTER_FREE # [ 49.077935] lkdtm: Value in memory before free: 12345678 # [ 49.084191] lkdtm: Attempting bad read from freed memory # [ 49.090445] 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>[ 49.477455] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 49.484555] lkdtm: Value in memory before free: 12345678 <6>[ 49.490836] lkdtm: Attempting to read from freed memory <6>[ 49.497044] lkdtm: Buddy page was not poisoned # [ 49.477455] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 49.484555] lkdtm: Value in memory before free: 12345678 # [ 49.490836] lkdtm: Attempting to read from freed memory # [ 49.497044] 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>[ 49.766173] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 49.772741] lkdtm: Attempting double slab free ... # [ 49.766173] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 49.772741] 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>[ 50.038723] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 50.045223] lkdtm: Attempting cross-cache slab free ... # [ 50.038723] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 50.045223] 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>[ 50.311949] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 50.318325] lkdtm: Attempting non-Slab slab free ... # [ 50.311949] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 50.318325] 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>[ 51.094076] lkdtm: Performing direct entry EXEC_DATA <6>[ 51.099988] lkdtm: attempting ok execution at ffffffff8e379800 <6>[ 51.106850] lkdtm: attempting bad execution at ffffffff9120ebe0 <2>[ 51.113793] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 51.122455] BUG: unable to handle page fault for address: ffffffff9120ebe0 <1>[ 51.130435] #PF: supervisor instruction fetch in kernel mode <1>[ 51.137054] #PF: error_code(0x0011) - permissions violation <6>[ 51.143577] PGD 4f429067 P4D 4f429067 PUD 4f42a063 PMD 8000000050c000e3 <4>[ 51.151378] Oops: 0011 [#5] SMP PTI <4>[ 51.155573] CPU: 2 PID: 1541 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 51.164519] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 51.171437] RIP: 0010:data_area+0x0/0x40 <4>[ 51.176116] Code: ff ff 00 da 7f 42 8c 9d ff ff 00 d9 7f 42 8c 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>[ 51.197403] RSP: 0018:ffffa4aa81fbfe48 EFLAGS: 00010246 <4>[ 51.203539] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 51.211807] RDX: 0000000000000000 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 <4>[ 51.220075] RBP: ffffffff9120ebe0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.228344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 51.236615] R13: ffffa4aa81fbff10 R14: ffffa4aa81fbff10 R15: ffff9d8c45ebe000 <4>[ 51.244886] FS: 00007f24f843f580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 51.254221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.260932] CR2: ffffffff9120ebe0 CR3: 00000001068c2000 CR4: 00000000003506e0 <4>[ 51.269198] Call Trace: <4>[ 51.272236] ? __die_body.cold+0x1a/0x1f <4>[ 51.276918] ? no_context+0x177/0x380 <4>[ 51.281314] ? exc_page_fault+0xd7/0x170 <4>[ 51.285996] ? asm_exc_page_fault+0x1e/0x30 <4>[ 51.290977] ? execute_location+0x48/0x56 <4>[ 51.295752] ? direct_entry.cold+0x2c/0x38 <4>[ 51.300616] ? full_proxy_write+0x56/0x80 <4>[ 51.305394] ? vfs_write+0xea/0x3b0 <4>[ 51.309588] ? ksys_write+0x68/0xf0 <4>[ 51.313781] ? do_syscall_64+0x33/0x40 <4>[ 51.318265] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 51.324406] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 51.364526] CR2: ffffffff9120ebe0 <4>[ 51.368527] ---[ end trace ecc6a9d815a07584 ]--- <4>[ 51.373984] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 51.378656] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 51.399937] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 51.406069] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 51.414339] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 51.422605] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 51.430871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 51.439142] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 51.447411] FS: 00007f24f843f580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 51.456746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.463459] CR2: ffffffff9120ebe0 CR3: 00000001068c2000 CR4: 00000000003506e0 <3>[ 51.471730] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 51.481944] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1541, name: cat <4>[ 51.490700] INFO: lockdep is turned off. <4>[ 51.495374] irq event stamp: 0 <4>[ 51.499080] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.506379] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 51.515800] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 51.525235] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.532534] CPU: 2 PID: 1541 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 51.541482] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 51.548388] Call Trace: <4>[ 51.551418] dump_stack+0x77/0x9b <4>[ 51.555416] ___might_sleep.cold+0xa6/0xb6 <4>[ 51.560291] exit_signals+0x1c/0x300 <4>[ 51.564582] do_exit+0xc2/0xab0 <4>[ 51.568389] ? ksys_write+0x68/0xf0 <4>[ 51.572584] make_task_dead+0x2f/0x30 <4>[ 51.576975] rewind_stack_and_make_dead+0x17/0x20 <4>[ 51.582528] RIP: 0033:0x7f24f8355473 <4>[ 51.586811] 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>[ 51.608096] RSP: 002b:00007fffa4e0a818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 51.616853] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f24f8355473 <4>[ 51.625125] RDX: 000000000000000a RSI: 00007f24f8249000 RDI: 0000000000000001 <4>[ 51.633393] RBP: 00007f24f8249000 R08: 00007f24f8248010 R09: 0000000000000000 <4>[ 51.641661] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 51.649930] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 51.094076] lkdtm: Performing direct entry EXEC_DATA # [ 51.099988] lkdtm: attempting ok execution at ffffffff8e379800 # [ 51.106850] lkdtm: attempting bad execution at ffffffff9120ebe0 # [ 51.113793] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 51.122455] BUG: unable to handle page fault for address: ffffffff9120ebe0 # [ 51.130435] #PF: supervisor instruction fetch in kernel mode # [ 51.137054] #PF: error_code(0x0011) - permissions violation # [ 51.143577] PGD 4f429067 P4D 4f429067 PUD 4f42a063 PMD 8000000050c000e3 # [ 51.151378] Oops: 0011 [#5] SMP PTI # [ 51.155573] CPU: 2 PID: 1541 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 51.164519] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 51.171437] RIP: 0010:data_area+0x0/0x40 # [ 51.176116] Code: ff ff 00 da 7f 42 8c 9d ff ff 00 d9 7f 42 8c 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 # [ 51.197403] RSP: 0018:ffffa4aa81fbfe48 EFLAGS: 00010246 # [ 51.203539] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.211807] RDX: 0000000000000000 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 # [ 51.220075] RBP: ffffffff9120ebe0 R08: 0000000000000000 R09: 0000000000000000 # [ 51.228344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 51.236615] R13: ffffa4aa81fbff10 R14: ffffa4aa81fbff10 R15: ffff9d8c45ebe000 # [ 51.244886] FS: 00007f24f843f580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 51.254221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.260932] CR2: ffffffff9120ebe0 CR3: 00000001068c2000 CR4: 00000000003506e0 # [ 51.269198] Call Trace: # [ 51.272236] ? __die_body.cold+0x1a/0x1f # [ 51.276918] ? no_context+0x177/0x380 # [ 51.281314] ? exc_page_fault+0xd7/0x170 # [ 51.285996] ? asm_exc_page_fault+0x1e/0x30 # [ 51.290977] ? execute_location+0x48/0x56 # [ 51.295752] ? direct_entry.cold+0x2c/0x38 # [ 51.300616] ? full_proxy_write+0x56/0x80 # [ 51.305394] ? vfs_write+0xea/0x3b0 # [ 51.309588] ? ksys_write+0x68/0xf0 # [ 51.313781] ? do_syscall_64+0x33/0x40 # [ 51.318265] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.324406] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c<6>[ 51.963979] lkdtm: Performing direct entry EXEC_STACK <6>[ 51.975041] lkdtm: attempting ok execution at ffffffff8e379800 _hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chro<6>[ 51.981897] lkdtm: attempting bad execution at ffffa4aa82007e18 meos_pstore coreboot_table # [ 51.364526] CR2: ffffffff9120eb<2>[ 51.995018] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 52.009878] BUG: unable to handle page fault for address: ffffa4aa82007e18 e0 # [ 51.368527] ---[ end trace ecc6a9d815a07584 ]--- # [ <1>[ 52.017860] #PF: supervisor instruction fetch in kernel mode <1>[ 52.030688] #PF: error_code(0x0011) - permissions violation <6>[ 52.037213] PGD 100000067 P4D 100000067 PUD 100231067 PMD 103fd8067 PTE 8000000103165063 <4>[ 52.046575] Oops: 0011 [#6] SMP PTI < 541.373984] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.378656] Code>[ 52.050769] CPU: 0 PID: 1577 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 52.065845] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.072762] RIP: 0010:0xffffa4aa82007e18 <4>[ 52.077442] Code: 00 00 18 7e 00 82 aa a4 ff ff 54 e6 a0 8e ff ff ff ff 20 00 00 00 00 00 00 00 3e 96 7f 8f ff ff ff ff 80 e7 a0 8e 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>[ 52.098726] RSP: 0018:ffffa4aa82007df8 EFLAGS: 00010246 <4>[ 52.104852] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.113122] RDX: 0000000000000000 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 <4>[ 52.121389] RBP: ffffa4aa82007e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.129655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 52.137924] R13: ffffa4aa82007f10 R14: ffffa4aa82007f10 R15: ffff9d8c45ebe000 <4>[ 52.146194] FS: 00007efe009ab580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 <4>[ 52.155519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.162233] CR2: ffffa4aa82007e18 CR3: 00000001068f2000 CR4: 00000000003506f0 <4>[ 52.170502] Call Trace: <4>[ 52.173540] ? __die_body.cold+0x1a/0x1f <4>[ 52.178228] ? no_context+0x177/0x380 <4>[ 52.182620] ? exc_page_fault+0xd7/0x170 <4>[ 52.187300] ? asm_exc_page_fault+0x1e/0x30 <4>[ 52.192281] ? execute_location+0x48/0x56 <4>[ 52.197055] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 52.201833] ? direct_entry.cold+0x2c/0x38 <4>[ 52.206706] ? full_proxy_write+0x56/0x80 <4>[ 52.211486] ? vfs_write+0xea/0x3b0 <4>[ 52.215678] ? ksys_write+0x68/0xf0 <4>[ 52.219868] ? do_syscall_64+0x33/0x40 <4>[ 52.224351] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff <4>[ 52.230491] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 52.276772] CR2: ffffa4aa82007e18 <4>[ 52.280772] ---[ end trace ecc6a9d815a07585 ]--- <4>[ 52.286230] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 52.290906] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 52.312194] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 52.318331] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.326598] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 52.334868] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 52.343131] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 52.351396] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 52.359665] FS: 00007efe009ab580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 <4>[ 52.369000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.375716] CR2: ffffa4aa82007e18 CR3: 00000001068f2000 CR4: 00000000003506f0 <3>[ 52.383989] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 52.394203] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1577, name: cat <4>[ 52.402957] INFO: lockdep is turned off. <4>[ 52.407631] irq event stamp: 0 <4>[ 52.411338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.418639] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 52.428074] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 52.437507] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.444810] CPU: 0 PID: 1577 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 52.453757] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.460666] Call Trace: <4>[ 52.463696] dump_stack+0x77/0x9b <4>[ 52.467695] ___might_sleep.cold+0xa6/0xb6 <4>[ 52.472569] exit_signals+0x1c/0x300 <4>[ 52.476858] do_exit+0xc2/0xab0 <4>[ 52.480662] ? ksys_write+0x68/0xf0 <4>[ 52.484855] make_task_dead+0x2f/0x30 <4>[ 52.489243] rewind_stack_and_make_dead+0x17/0x20 <4>[ 52.494794] RIP: 0033:0x7efe008c1473 <4>[ 52.499083] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 52.520363] RSP: 002b:00007fffdc8bc598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.529125] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efe008c1473 <4>[ 52.537395] RDX: 000000000000000b RSI: 00007efe007b5000 RDI: 0000000000000001 <4>[ 52.545666] RBP: 00007efe007b5000 R08: 00007efe007b4010 R09: 0000000000000000 <4>[ 52.553934] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.562201] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 51.399937] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 51.406069] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.414339] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 51.422605] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 51.430871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.439142] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 51.447411] FS: 00007f24f843f580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 51.456746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.463459] CR2: ffffffff9120ebe0 CR3: 00000001068c2000 CR4: 00000000003506e0 # [ 51.471730] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.481944] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1541, name: cat # [ 51.490700] INFO: lockdep is turned off. # [ 51.495374] irq event stamp: 0 # [ 51.499080] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.506379] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.515800] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.525235] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.532534] CPU: 2 PID: 1541 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 51.541482] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 51.548388] Call Trace: # [ 51.551418] dump_stack+0x77/0x9b # [ 51.555416] ___might_sleep.cold+0xa6/0xb6 # [ 51.560291] exit_signals+0x1c/0x300 # [ 51.564582] do_exit+0xc2/0xab0 # [ 51.568389] ? ksys_write+0x68/0xf0 # [ 51.572584] make_task_dead+0x2f/0x30 # [ 51.576975] rewind_stack_and_make_dead+0x17/0x20 # [ 51.582528] RIP: 0033:0x7f24f8355473 # [ 51.586811] 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 # [ 51.608096] RSP: 002b:00007fffa4e0a818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.616853] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f24f8355473 # [ 51.625125] RDX: 000000000000000a RSI: 00007f24f8249000 RDI: 0000000000000001 # [ 51.633393] RBP: 00007f24f8249000 R08: 00007f24f8248010 R09: 0000000000000000 # [ 51.641661] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.649930] 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 # [ 51.963979] lkdtm: Performing direct entry EXEC_STACK # [ 51.975041] lkdtm: attempting ok execution at ffffffff8e379800 # [ 51.981897] lkdtm: attempting bad execution at ffffa4aa82007e18 # [ 51.995018] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.009878] BUG: unable to handle page fault for address: ffffa4aa82007e18 # [ 52.017860] #PF: supe<6>[ 52.881888] lkdtm: Performing direct entry EXEC_KMALLOC rvisor instruction fetch in kernel mode # [ 52.030688] #PF: e<6>[ 52.893696] lkdtm: attempting ok execution at ffffffff8e379800 rror_code(0x0011) - permissions violation # [ 52.037213] PGD <6>[ 52.906760] lkdtm: attempting bad execution at ffff9d8c43ee7200 100000067 P4D 100000067 PUD 100231067 PMD 103fd8067 PTE 80000001<2>[ 52.919946] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 52.934712] BUG: unable to handle page fault for address: ffff9d8c43ee7200 <1>[ 52.942689] #PF: supervisor instruction fetch in kernel mode <1>[ 52.949309] #PF: error_code(0x0011) - permissions violation <6>[ 52.955830] PGD 50e01067 P4D 50e01067 PUD 100875063 PMD 10597d063 PTE 8000000103ee7063 <4>[ 52.964993] Oops: 0011 [#7] SMP PTI <4>[ 52.969188] CPU: 3 PID: 1613 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 52.978139] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.985051] RIP: 0010:0xffff9d8c43ee7200 <4>[ 52.989727] Code: 00 00 02 00 00 00 00 00 00 00 80 70 ee 43 8c 9d ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 8f 8d ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 53.011005] RSP: 0018:ffffa4aa820afe38 EFLAGS: 00010246 <4>[ 53.017138] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.025400] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 <4>[ 53.033665] RBP: ffff9d8c43ee7200 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.041934] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 53.050203] R13: ffffa4aa820aff10 R14: ffffa4aa820aff10 R15: ffff9d8c43144000 <4>[ 53.058474] FS: 00007f7506184580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 <4>[ 53.067813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.074531] CR2: ffff9d8c43ee7200 CR3: 0000000105f74000 CR4: 00000000003506e0 <4>[ 53.082798] Call Trace: <4>[ 53.085836] ? __die_body.cold+0x1a/0x1f <4>[ 53.090518] ? no_context+0x177/0x380 <4>[ 53.094911] ? exc_page_fault+0xd7/0x170 <4>[ 53.099591] ? asm_exc_page_fault+0x1e/0x30 <4>[ 53.104572] ? execute_location+0x48/0x56 <4>[ 53.109347] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 53.114307] ? direct_entry.cold+0x2c/0x38 <4>[ 53.119182] ? full_proxy_write+0x56/0x80 <4>[ 53.123959] ? vfs_write+0xea/0x3b0 <4>[ 53.128150] ? ksys_write+0x68/0xf0 <4>[ 53.132335] ? do_syscall_64+0x33/0x40 <4>[ 53.136811] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.142953] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 53.183062] CR2: ffff9d8c43ee7200 <4>[ 53.187061] ---[ end trace ecc6a9d815a07586 ]--- <4>[ 53.192509] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.197184] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 53.218469] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 53.224603] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.232873] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 53.241138] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.249403] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.257666] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 53.265937] FS: 00007f7506184580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 <4>[ 53.275273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.281984] CR2: ffff9d8c43ee7200 CR3: 0000000105f74000 CR4: 00000000003506e0 03165063 # [ 52.046575] Oops: 0011 [#6] SMP PTI # [ 52.050769] CPU: 0 PID: 1577 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 52.065845] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.072762] RIP: 0010:0xffffa4aa82007e18 # [ 52.077442] Code: 00 00 18 7e 00 82 aa a4 ff ff 54 e6 a0 8e ff ff ff ff 20 00 00 00 00 00 00 00 3e 96 7f 8f ff ff ff ff 80 e7 a0 8e 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 # [ 52.098726] RSP: 0018:ffffa4aa82007df8 EFLAGS: 00010246 # [ 52.104852] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.113122] RDX: 0000000000000000 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 # [ 52.121389] RBP: ffffa4aa82007e18 R08: 0000000000000000 R09: 0000000000000000 # [ 52.129655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.137924] R13: ffffa4aa82007f10 R14: ffffa4aa82007f10 R15: ffff9d8c45ebe000 # [ 52.146194] FS: 00007efe009ab580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 # [ 52.155519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.162233] CR2: ffffa4aa82007e18 CR3: 00000001068f2000 CR4: 00000000003506f0 # [ 52.170502] Call Trace: # [ 52.173540] ? __die_body.cold+0x1a/0x1f # [ 52.178228] ? no_context+0x177/0x380 # [ 52.182620] ? exc_page_fault+0xd7/0x170 # [ 52.187300] ? asm_exc_page_fault+0x1e/0x30 # [ 52.192281] ? execute_location+0x48/0x56 # [ 52.197055] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 52.201833] ? direct_entry.cold+0x2c/0x38 # [ 52.206706] ? full_proxy_write+0x56/0x80 # [ 52.211486] ? vfs_write+0xea/0x3b0 # [ 52.215678] ? ksys_write+0x68/0xf0 # [ 52.219868] ? do_syscall_64+0x33/0x40 # [ 52.224351] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.230491] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 52.276772] CR2: ffffa4aa82007e18 # [ 52.280772] ---[ end trace ecc6a9d815a07585 ]--- # [ 52.286230] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.290906] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 52.312194] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 52.318331] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.326598] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 52.334868] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 52.343131] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.351396] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 52.359665] FS: 00007efe009ab580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 # [ 52.369000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.375716] CR2: ffffa4aa82007e18 CR3: 00000001068f2000 CR4: 00000000003506f0 # [ 52.383989] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.394203] in_atomic(): 0, irqs_disab<6>[ 53.620160] lkdtm: Performing direct entry EXEC_VMALLOC led(): 1, non_block: 0, pid: 1577, name: cat # [ 52.402957] I<6>[ 53.632238] lkdtm: attempting ok execution at ffffffff8e379800 NFO: lockdep is turned off. # [ 52.407631] irq event stamp: 0<6>[ 53.645286] lkdtm: attempting bad execution at ffffa4aa80297000 # [ 52.411338] hardirqs last enabled at (0): [<000000000000<2>[ 53.658482] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 53.673261] BUG: unable to handle page fault for address: ffffa4aa80297000 <1>[ 53.681242] #PF: supervisor instruction fetch in kernel mode <1>[ 53.687860] #PF: error_code(0x0011) - permissions violation <6>[ 53.694383] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009d8067 PTE 8000000105a36063 <4>[ 53.703743] Oops: 0011 [#8] SMP PTI <4>[ 53.707929] CPU: 3 PID: 1649 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 53.716878] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.723795] RIP: 0010:0xffffa4aa80297000 <4>[ 53.728473] Code: Unable to access opcode bytes at RIP 0xffffa4aa80296fd6. <4>[ 53.736452] RSP: 0018:ffffa4aa82167e38 EFLAGS: 00010246 <4>[ 53.742587] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.750856] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 <4>[ 53.759130] RBP: ffffa4aa80297000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.767400] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 53.775669] R13: ffffa4aa82167f10 R14: ffffa4aa82167f10 R15: ffff9d8c45a36000 <4>[ 53.783940] FS: 00007f0326c17580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 <4>[ 53.793278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.799993] CR2: ffffa4aa80296fd6 CR3: 00000001041d6000 CR4: 00000000003506e0 <4>[ 53.808262] Call Trace: <4>[ 53.811303] ? __die_body.cold+0x1a/0x1f <4>[ 53.815985] ? no_context+0x177/0x380 <4>[ 53.820375] ? exc_page_fault+0xd7/0x170 <4>[ 53.825055] ? asm_exc_page_fault+0x1e/0x30 <4>[ 53.830037] ? execute_location+0x48/0x56 <4>[ 53.834815] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 53.839783] ? direct_entry.cold+0x2c/0x38 <4>[ 53.844658] ? full_proxy_write+0x56/0x80 <4>[ 53.849437] ? vfs_write+0xea/0x3b0 <4>[ 53.853630] ? ksys_write+0x68/0xf0 <4>[ 53.857813] ? do_syscall_64+0x33/0x40 <4>[ 53.862298] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 53.868438] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 53.908549] CR2: ffffa4aa80297000 <4>[ 53.912548] ---[ end trace ecc6a9d815a07587 ]--- <4>[ 53.918005] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.922684] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 53.943956] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 53.950090] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.958356] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 53.966619] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.974882] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.983145] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 53.991410] FS: 00007f0326c17580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 <4>[ 54.000743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.007451] CR2: ffffa4aa80296fd6 CR3: 00000001041d6000 CR4: 00000000003506e0 <3>[ 54.015716] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 54.025924] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat <4>[ 54.034674] INFO: lockdep is turned off. <4>[ 54.039343] irq event stamp: 0 <4>[ 54.043045] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.050346] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 54.059777] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 54.069208] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.076501] CPU: 3 PID: 1649 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 54.085445] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.092348] Call Trace: <4>[ 54.095377] dump_stack+0x77/0x9b <4>[ 54.099375] ___might_sleep.cold+0xa6/0xb6 <4>[ 54.104249] exit_signals+0x1c/0x300 <4>[ 54.108537] do_exit+0xc2/0xab0 <4>[ 54.112341] ? ksys_write+0x68/0xf0 <4>[ 54.116532] make_task_dead+0x2f/0x30 <4>[ 54.120918] rewind_stack_and_make_dead+0x17/0x20 <4>[ 54.126468] RIP: 0033:0x7f0326b2d473 <4>[ 54.130758] 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>[ 54.152044] RSP: 002b:00007ffe2c1e4a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.160800] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f0326b2d473 <4>[ 54.169071] RDX: 000000000000000d RSI: 00007f0326a21000 RDI: 0000000000000001 <4>[ 54.177338] RBP: 00007f0326a21000 R08: 00007f0326a20010 R09: 0000000000000000 <4>[ 54.185602] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.193870] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000>] 0x0 # [ 52.418639] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.428074] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.437507] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.444810] CPU: 0 PID: 1577 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 52.453757] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.460666] Call Trace: # [ 52.463696] dump_stack+0x77/0x9b # [ 52.467695] ___might_sleep.cold+0xa6/0xb6 # [ 52.472569] exit_signals+0x1c/0x300 # [ 52.476858] do_exit+0xc2/0xab0 # [ 52.480662] ? ksys_write+0x68/0xf0 # [ 52.484855] make_task_dead+0x2f/0x30 # [ 52.489243] rewind_stack_and_make_dead+0x17/0x20 # [ 52.494794] RIP: 0033:0x7efe008c1473 # [ 52.499083] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.520363] RSP: 002b:00007fffdc8bc598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.529125] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efe008c1473 # [ 52.537395] RDX: 000000000000000b RSI: 00007efe007b5000 RDI: 0000000000000001 # [ 52.545666] RBP: 00007efe007b5000 R08: 00007efe007b4010 R09: 0000000000000000 # [ 52.553934] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.562201] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 52.881888] lkdtm: Performing direct entry EXEC_KMALLOC # [ 52.893696] lkdtm: attempting ok execution at ffffffff8e379800 # [ 52.906760] lkdtm: attempting bad execution at ffff9d8c43ee7200 # [ 52.919946] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.934712] BUG: unable to handle page fault for address: ffff9d8c43ee7200 # [ 52.942689] #PF: supervisor instruction fetch in kernel mode # [ 52.949309] #PF: error_code(0x0011) - permissions violation # [ 52.955830] PGD 50e01067 P4D 50e01067 PUD 100875063 PMD 10597d063 PTE 8000000103ee7063 # [ 52.964993] Oops: 0011 [#7] SMP PTI # [ 52.969188] CPU: 3 PID: 1613 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 52.978139] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.985051] RIP: 0010:0xffff9d8c43ee7200 # [ 52.989727] Code: 00 00 02 00 00 00 00 00 00 00 80 70 ee 43 8c 9d ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 8f 8d ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.011005] RSP: 0018:ffffa4aa820afe38 EFLAGS: 00010246 # [ 53.017138] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.025400] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 # [ 53.033665] RBP: ffff9d8c43ee7200 R08: 0000000000000000 R09: 0000000000000000 # [ 53.041934] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.050203] R13: ffffa4aa820aff10 R14: ffffa4aa820aff10 R15: ffff9d8c43144000 # [ 53.058474] FS: 00007f7506184580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 53.067813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.074531] CR2: ffff9d8c43ee7200 CR3: 0000000105f74000 CR4: 00000000003506e0 # [ 53.082798] Call Trace: # [ 53.085836] ? __die_body.cold+0x1a/0x1f # [ 53.090518] ? no_context+0x177/0x3<6>[ 54.545514] lkdtm: Performing direct entry EXEC_RODATA 80 # [ 53.094911] ? exc_page_fault+0xd7/0x170 # [ 53.0995<6>[ 54.556470] lkdtm: attempting ok execution at ffffffff8e379800 91] ? asm_exc_page_fault+0x1e/0x30 # [ 53.104572] ? execute<6>[ 54.569503] lkdtm: attempting bad execution at ffffffff8f37ecc0 _location+0x48/0x56 # [ 53.109347] ? lkdtm_EXEC_KMALLOC+0x2c<2>[ 54.582737] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.597489] BUG: unable to handle page fault for address: ffffffff8f37ecc0 <1>[ 54.605465] #PF: supervisor instruction fetch in kernel mode <1>[ 54.612080] #PF: error_code(0x0011) - permissions violation <6>[ 54.618602] PGD 4f429067 P4D 4f429067 PUD 4f42a063 PMD 800000004ec001e1 <4>[ 54.626400] Oops: 0011 [#9] SMP PTI <4>[ 54.630594] CPU: 3 PID: 1685 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 54.639543] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.646462] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 54.652501] Code: ff ff f0 fb a0 8e ff ff ff ff 8a 98 7f 8f ff ff ff ff 36 e3 a0 8e 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>[ 54.673788] RSP: 0018:ffffa4aa821e7e48 EFLAGS: 00010246 <4>[ 54.679921] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 54.688191] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 <4>[ 54.696457] RBP: ffffffff8f37ecc0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.704723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 54.712992] R13: ffffa4aa821e7f10 R14: ffffa4aa821e7f10 R15: ffff9d8c45f14000 <4>[ 54.721264] FS: 00007f610c6f4580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 <4>[ 54.730604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.737319] CR2: ffffffff8f37ecc0 CR3: 00000001040ba000 CR4: 00000000003506e0 <4>[ 54.745587] Call Trace: <4>[ 54.748624] ? __die_body.cold+0x1a/0x1f <4>[ 54.753307] ? no_context+0x177/0x380 <4>[ 54.757701] ? exc_page_fault+0xd7/0x170 <4>[ 54.762380] ? asm_exc_page_fault+0x1e/0x30 <4>[ 54.767361] ? execute_location+0x48/0x56 <4>[ 54.772138] ? direct_entry.cold+0x2c/0x38 <4>[ 54.777016] ? full_proxy_write+0x56/0x80 <4>[ 54.781795] ? vfs_write+0xea/0x3b0 <4>[ 54.785990] ? ksys_write+0x68/0xf0 <4>[ 54.790184] ? do_syscall_64+0x33/0x40 <4>[ 54.794669] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 54.800811] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 54.840933] CR2: ffffffff8f37ecc0 <4>[ 54.844922] ---[ end trace ecc6a9d815a07588 ]--- <4>[ 54.850380] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.855056] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 54.876343] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 54.882476] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.890746] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 54.899016] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.907285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.915555] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 54.923823] FS: 00007f610c6f4580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 <4>[ 54.933159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.939875] CR2: ffffffff8f37ecc0 CR3: 00000001040ba000 CR4: 00000000003506e0 /0x40 # [ 53.114307] ? direct_entry.cold+0x2c/0x38 # [ 53.119182] ? full_proxy_write+0x56/0x80 # [ 53.123959] ? vfs_write+0xea/0x3b0 # [ 53.128150] ? ksys_write+0x68/0xf0 # [ 53.132335] ? do_syscall_64+0x33/0x40 # [ 53.136811] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.142953] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 53.183062] CR2: ffff9d8c43ee7200 # [ 53.187061] ---[ end trace ecc6a9d815a07586 ]--- # [ 53.192509] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.197184] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 53.218469] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 53.224603] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.232873] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 53.241138] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 53.249403] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.257666] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 53.265937] FS: 00007f7506184580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 53.275273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.281984] CR2: ffff9d8c43ee7200 CR3: 0000000105f74000 CR4: 00000000003506e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 53.620160] lkdtm: Performing direct entry EXEC_VMALLOC # [ 53.632238] lkdtm: attempting ok execution at ffffffff8e379800 # [ 53.645286] lkdtm: attempting bad execution at ffffa4aa80297000 # [ 53.658482] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.673261] BUG: unable to handle page fault for address: ffffa4aa80297000 # [ 53.681242] #PF: supervisor instruction fetch in kernel mode # [ 53.687860] #PF: error_code(0x0011) - permissions violation # [ 53.694383] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009d8067 PTE 8000000105a36063 # [ 53.703743] Oops: 0011 [#8] SMP PTI # [ 53.707929] CPU: 3 PID: 1649 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 53.716878] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.723795] RIP: 0010:0xffffa4aa80297000 # [ 53.728473] Code: Unable to access opcode bytes at RIP 0xffffa4aa80296fd6. # [ 53.736452] RSP: 0018:ffffa4aa82167e38 EFLAGS: 00010246 # [ 53.742587] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.750856] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 # [ 53.759130] RBP: ffffa4aa80297000 R08: 0000000000000000 R09: 0000000000000000 # [ 53.767400] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 53.775669] R13: ffffa4aa82167f10 R14: ffffa4aa82167f10 R15: ffff9d8c45a36000 # [ 53.783940] FS: 00007f0326c17580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 53.793278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.799993] CR2: ffffa4aa80296fd6 CR3: 00000001041d6000 CR4: 00000000003506e0 # [ <6>[ 55.292389] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 55.302765] lkdtm: attempting ok execution at ffffffff8e379800 53.808262] Call Trace: # [ 53.811303] ? __die_body.cold+0x<6>[ 55.309667] lkdtm: attempting bad execution at 00007fb2e7f46000 1a/0x1f # [ 53.815985] ? no_context+0x177/0x380 # [ 53.82<2>[ 55.322859] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 55.335732] BUG: unable to handle page fault for address: 00007fb2e7f46000 <1>[ 55.343708] #PF: supervisor instruction fetch in kernel mode <1>[ 55.350326] #PF: error_code(0x0011) - permissions violation 0375] ? exc_page_fault+0xd7/0x170 # [ 53.825055] ? asm_exc_<6>[ 55.356849] PGD 8000000105e2d067 P4D 8000000105e2d067 PUD 10434e067 PMD 1052a5067 PTE 107a42067 <4>[ 55.373104] Oops: 0011 [#10] SMP PTI page_fault+0x1e/0x30 # [ 53.830037] ? execute_location+0x48/<4>[ 55.377397] CPU: 2 PID: 1721 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 55.392554] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.399467] RIP: 0010:0x7fb2e7f46000 <4>[ 55.403754] Code: Unable to access opcode bytes at RIP 0x7fb2e7f45fd6. <4>[ 55.411345] RSP: 0018:ffffa4aa8225fe50 EFLAGS: 00010246 <4>[ 55.417480] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 55.425749] RDX: 0000000000000000 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 <4>[ 55.434019] RBP: 00007fb2e7f46000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.442291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 55.450562] R13: ffffa4aa8225ff10 R14: ffffa4aa8225ff10 R15: ffff9d8c4497e000 <4>[ 55.458832] FS: 00007fb2e7f17580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 55.468167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.474881] CR2: 00007fb2e7f46000 CR3: 0000000105fb8000 CR4: 00000000003506e0 <4>[ 55.483144] Call Trace: <4>[ 55.486182] ? __die_body.cold+0x1a/0x1f <4>[ 55.490863] ? no_context+0x177/0x380 <4>[ 55.495256] ? exc_page_fault+0x53/0x170 <4>[ 55.499937] ? asm_exc_page_fault+0x1e/0x30 0x56 # [ 53.834815] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 53<4>[ 55.504918] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae <4>[ 55.516770] ? direct_entry.cold+0x2c/0x38 <4>[ 55.521641] ? full_proxy_write+0x56/0x80 <4>[ 55.526414] ? vfs_write+0xea/0x3b0 <4>[ 55.530605] ? ksys_write+0x68/0xf0 <4>[ 55.534797] ? do_syscall_64+0x33/0x40 <4>[ 55.539280] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 .839783] ? direct_entry.cold+0x2c/0x38 # [ 53.844658] ? ful<4>[ 55.545420] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 55.591742] CR2: 00007fb2e7f46000 <4>[ 55.595741] ---[ end trace ecc6a9d815a07589 ]--- <4>[ 55.601200] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.605878] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 55.627165] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 55.633292] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.641561] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 55.649826] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.658094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.666361] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 55.674632] FS: 00007fb2e7f17580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 55.683969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.690685] CR2: 00007fb2e7f46000 CR3: 0000000105fb8000 CR4: 00000000003506e0 <3>[ 55.698958] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 55.709173] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat <4>[ 55.717926] INFO: lockdep is turned off. <4>[ 55.722604] irq event stamp: 0 <4>[ 55.726305] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.733607] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.743032] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 55.752467] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.759764] CPU: 2 PID: 1721 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 55.768714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.775621] Call Trace: <4>[ 55.778654] dump_stack+0x77/0x9b <4>[ 55.782654] ___might_sleep.cold+0xa6/0xb6 <4>[ 55.787529] exit_signals+0x1c/0x300 <4>[ 55.791822] do_exit+0xc2/0xab0 <4>[ 55.795630] ? ksys_write+0x68/0xf0 <4>[ 55.799823] make_task_dead+0x2f/0x30 <4>[ 55.804212] rewind_stack_and_make_dead+0x17/0x20 <4>[ 55.809763] RIP: 0033:0x7fb2e7e2d473 <4>[ 55.814054] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 55.835340] RSP: 002b:00007ffc3513fc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.844090] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fb2e7e2d473 <4>[ 55.852358] RDX: 000000000000000f RSI: 00007fb2e7d21000 RDI: 0000000000000001 <4>[ 55.860630] RBP: 00007fb2e7d21000 R08: 00007fb2e7d20010 R09: 0000000000000000 <4>[ 55.868901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.877172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 l_proxy_write+0x56/0x80 # [ 53.849437] ? vfs_write+0xea/0x3b0 # [ 53.853630] ? ksys_write+0x68/0xf0 # [ 53.857813] ? do_syscall_64+0x33/0x40 # [ 53.862298] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.868438] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 53.908549] CR2: ffffa4aa80297000 # [ 53.912548] ---[ end trace ecc6a9d815a07587 ]--- # [ 53.918005] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.922684] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 53.943956] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 53.950090] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.958356] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 53.966619] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 53.974882] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.983145] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 53.991410] FS: 00007f0326c17580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 54.000743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.007451] CR2: ffffa4aa80296fd6 CR3: 00000001041d6000 CR4: 00000000003506e0 # [ 54.015716] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.025924] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat # [ 54.034674] INFO: lockdep is turned off. # [ 54.039343] irq event stamp: 0 # [ 54.043045] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.050346] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.059777] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.069208] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.076501] CPU: 3 PID: 1649 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 54.085445] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.092348] Call Trace: # [ 54.095377] dump_stack+0x77/0x9b # [ 54.099375] ___might_sleep.cold+0xa6/0xb6 # [ 54.104249] exit_signals+0x1c/0x300 # [ 54.108537] do_exit+0xc2/0xab0 # [ 54.112341] ? ksys_write+0x68/0xf0 # [ 54.116532] make_task_dead+0x2f/0x30 # [ 54.120918] rewind_stack_and_make_dead+0x17/0x20 # [ 54.126468] RIP: 0033:0x7f0326b2d473 # [ 54.130758] 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 # [ 54.152044] RSP: 002b:00007ffe2c1e4a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.16080<6>[ 56.193909] lkdtm: Performing direct entry EXEC_NULL 0] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f0326b2<6>[ 56.202271] lkdtm: attempting ok execution at ffffffff8e379800 d473 # [ 54.169071] RDX: 000000000000000d RSI: 00007f0326a210<6>[ 56.215335] lkdtm: attempting bad execution at 0000000000000000 00 RDI: 0000000000000001 # [ 54.177338] RBP: 00007f0326a21000<1>[ 56.228452] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 56.242721] #PF: supervisor instruction fetch in kernel mode <1>[ 56.249337] #PF: error_code(0x0010) - not-present page < R608: 00007f0326a20010 R09: 0000000000000000 # [ 54.185602] >[ 56.255371] PGD 0 P4D 0 <4>[ 56.264625] Oops: 0010 [#11] SMP PTI <104: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000>[ 56.268919] CPU: 1 PID: 1757 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 56.283989] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.290897] RIP: 0010:0x0 <4>[ 56.294120] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 56.302100] RSP: 0018:ffffa4aa822dfe48 EFLAGS: 00010246 <4>[ 56.308226] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 56.316497] RDX: 0000000000000000 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 <4>[ 56.324767] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.333037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 56.341306] R13: ffffa4aa822dff10 R14: ffffa4aa822dff10 R15: ffff9d8c44911000 <4>[ 56.349573] FS: 00007f6c23514580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 56.358911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.365624] CR2: ffffffffffffffd6 CR3: 00000001040ba000 CR4: 00000000003506e0 <4>[ 56.373892] Call Trace: <4>[ 56.376930] ? __die_body.cold+0x1a/0x1f <4>[ 56.381615] ? no_context+0x177/0x380 <4>[ 56.386006] ? exc_page_fault+0x53/0x170 <4>[ 56.390686] ? asm_exc_page_fault+0x1e/0x30 <4>[ 56.395668] execute_location+0x48/0x56 <4>[ 56.400246] direct_entry.cold+0x2c/0x38 <4>[ 56.404916] full_proxy_write+0x56/0x80 <4>[ 56.409495] vfs_write+0xea/0x3b0 <4>[ 56.413491] ksys_write+0x68/0xf0 <4>[ 56.417480] do_syscall_64+0x33/0x40 <4>[ 56.421759] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 56.427697] RIP: 0033:0x7f6c2342a473 <4>[ 56.431990] 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>[ 56.453278] RSP: 002b:00007ffe2c64f948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.462035] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6c2342a473 <4>[ 56.470306] RDX: 000000000000000a RSI: 00007f6c2331e000 RDI: 0000000000000001 <4>[ 56.478576] RBP: 00007f6c2331e000 R08: 00007f6c2331d010 R09: 0000000000000000 <4>[ 56.486842] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.495111] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.193870] R13: 0000000000000001 R14: 0000000000020000 R<4>[ 56.503383] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 56.549687] CR2: 0000000000000000 <4>[ 56.553685] ---[ end trace ecc6a9d815a0758a ]--- <4>[ 56.559140] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 56.563816] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 56.585095] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 56.591216] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.599479] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 56.607741] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 56.616002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 56.624264] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 56.632529] FS: 00007f6c23514580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 56.641858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.648570] CR2: ffffffffffffffd6 CR3: 00000001040ba000 CR4: 00000000003506e0 15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 54.545514] lkdtm: Performing direct entry EXEC_RODATA # [ 54.556470] lkdtm: attempting ok execution at ffffffff8e379800 # [ 54.569503] lkdtm: attempting bad execution at ffffffff8f37ecc0 # [ 54.582737] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.597489] BUG: unable to handle page fault for address: ffffffff8f37ecc0 # [ 54.605465] #PF: supervisor instruction fetch in kernel mode # [ 54.612080] #PF: error_code(0x0011) - permissions violation # [ 54.618602] PGD 4f429067 P4D 4f429067 PUD 4f42a063 PMD 800000004ec001e1 # [ 54.626400] Oops: 0011 [#9] SMP PTI # [ 54.630594] CPU: 3 PID: 1685 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 54.639543] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.646462] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 54.652501] Code: ff ff f0 fb a0 8e ff ff ff ff 8a 98 7f 8f ff ff ff ff 36 e3 a0 8e 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 # [ 54.673788] RSP: 0018:ffffa4aa821e7e48 EFLAGS: 00010246 # [ 54.679921] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 54.688191] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 # [ 54.696457] RBP: ffffffff8f37ecc0 R08: 0000000000000000 R09: 0000000000000000 # [ 54.704723] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 54.712992] R13: ffffa4aa821e7f10 R14: ffffa4aa821e7f10 R15: ffff9d8c45f14000 # [ 54.721264] FS: 00007f610c6f4580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 54.730604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.737319] CR2: ffffffff8f37ecc0 CR3: 00000001040ba000 CR4: 00000000003506e0 # [ 54.745587] Call Trace: # [ 54.748624] ? __die_body.cold+0x1a/0x1f # [ 54.753307] ? no_context+0x177/0x380 # [ 54.757701] ? exc_page_fault+0xd7/0x170 # [ 54.762380] ? asm_exc_page_fault+0x1e/0x30 # [ 54.767361] ? execute_location+0x48/0x56 # [ 54.772138] ? direct_entry.cold+0x2c/0x38 # [ 54.777016] ? full_proxy_write+0x56/0x80 # [ 54.781795] ? vfs_write+0xea/0x3b0 # [ 54.785990] ? ksys_write+0x68/0xf0 # [ 54.790184] ? do_syscall_64+0x33/0x40 # [ 54.794669] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.800811] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 54.840933] CR2: ffffffff8f37ecc0 # [ 54.844922] ---[ end trace ecc6a9d815a07588 ]--- # [ 54.850380] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.855056] Code: 89 ff e8 4e e7 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><6>[ 56.962153] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 56.974404] lkdtm: attempting bad read at 00007fa24a653000 <1>[ 56.980869] BUG: unable to handle page fault for address: 00007fa24a653000 <1>[ 56.988851] #PF: supervisor read access in kernel mode <1>[ 56.994874] #PF: error_code(0x0001) - permissions violation <6>[ 57.001391] PGD 8000000103d5d067 P4D 8000000103d5d067 PUD 10462d067 PMD 1068c4067 PTE 107879067 <4>[ 57.011429] Oops: 0001 [#12] SMP PTI <4>[ 57.015721] CPU: 2 PID: 1793 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 57.024669] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.031591] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 57.038109] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 a5 7f 8f e8 ef d7 fb ff 48 c7 c7 d0 a5 7f 8f b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 f8 a5 7f <4>[ 57.059401] RSP: 0018:ffffa4aa82387e48 EFLAGS: 00010246 <4>[ 57.065537] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 57.073808] RDX: 0000000000000000 RSI: ffff9d8cbbd1bf70 RDI: ffffffff8f7fa5d0 <4>[ 57.082078] RBP: 00007fa24a653000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.090350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 57.098619] R13: ffffa4aa82387f10 R14: ffffa4aa82387f10 R15: ffff9d8c45d31000 <4>[ 57.106890] FS: 00007fa24a624580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 57.116229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.122943] CR2: 00007fa24a653000 CR3: 00000001068f2000 CR4: 00000000003506e0 <4>[ 57.131212] Call Trace: <4>[ 57.134252] ? __die_body.cold+0x1a/0x1f <4>[ 57.138937] ? no_context+0x177/0x380 <4>[ 57.143332] ? exc_page_fault+0x53/0x170 <4>[ 57.148012] ? asm_exc_page_fault+0x1e/0x30 <4>[ 57.152980] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 57.158827] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 57.164671] direct_entry.cold+0x2c/0x38 <4>[ 57.169352] full_proxy_write+0x56/0x80 <4>[ 57.173936] vfs_write+0xea/0x3b0 <4>[ 57.177935] ksys_write+0x68/0xf0 <4>[ 57.181935] do_syscall_64+0x33/0x40 <4>[ 57.186217] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 57.192160] RIP: 0033:0x7fa24a53a473 <4>[ 57.196452] 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>[ 57.217738] RSP: 002b:00007fff548d8ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.226498] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa24a53a473 <4>[ 57.234769] RDX: 0000000000000011 RSI: 00007fa24a42e000 RDI: 0000000000000001 <4>[ 57.243039] RBP: 00007fa24a42e000 R08: 00007fa24a42d010 R09: 0000000000000000 <4>[ 57.251310] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.259577] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 <4>[ 57.267856] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 57.314168] CR2: 00007fa24a653000 <4>[ 57.318157] ---[ end trace ecc6a9d815a0758b ]--- <4>[ 57.323606] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.328283] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 57.349574] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 57.355710] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.363979] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 57.372249] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.380516] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.388787] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 57.397061] FS: 00007fa24a624580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 57.406401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.413116] CR2: 00007fa24a653000 CR3: 00000001068f2000 CR4: 00000000003506e0 <3>[ 57.421391] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 57.431604] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1793, name: cat <4>[ 57.440361] INFO: lockdep is turned off. <4>[ 57.445037] irq event stamp: 0 <4>[ 57.448740] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.456044] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 57.465485] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 57.474920] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.482224] CPU: 2 PID: 1793 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 57.491174] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.498084] Call Trace: <4>[ 57.501113] dump_stack+0x77/0x9b <4>[ 57.505115] ___might_sleep.cold+0xa6/0xb6 <4>[ 57.509991] exit_signals+0x1c/0x300 <4>[ 57.514283] do_exit+0xc2/0xab0 <4>[ 57.518089] ? ksys_write+0x68/0xf0 <4>[ 57.522284] make_task_dead+0x2f/0x30 <4>[ 57.526673] rewind_stack_and_make_dead+0x17/0x20 <4>[ 57.532214] RIP: 0033:0x7fa24a53a473 <4>[ 57.536503] 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>[ 57.557791] RSP: 002b:00007fff548d8ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.566543] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa24a53a473 <4>[ 57.574812] RDX: 0000000000000011 RSI: 00007fa24a42e000 RDI: 0000000000000001 <4>[ 57.583081] RBP: 00007fa24a42e000 R08: 00007fa24a42d010 R09: 0000000000000000 <4>[ 57.591351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.599622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.876343] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 54.882476] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.890746] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 54.899016] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 54.907285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.915555] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 54.923823] FS: 00007f610c6f4580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 54.933159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.939875] CR2: ffffffff8f37ecc0 CR3: 00000001040ba000 CR4: 00000000003506e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 55.292389] lkdtm: Performing direct entry EXEC_USERSPACE # [ 55.302765] lkdtm: attempting ok execution at ffffffff8e379800 # [ 55.309667] lkdtm: attempting bad execution at 00007fb2e7f46000 # [ 55.322859] unable to execute userspace code (SMEP?) (uid: 0) # [ 55.335732] BUG: unable to handle page fault for address: 00007fb2e7f46000 # [ 55.343708] #PF: supervisor instruction fetch in kernel mode # [ 55.350326] #PF: error_code(0x0011) - permissions violation # [ 55.356849] PGD 8000000105e2d067 P4D 8000000105e2d067 PUD 10434e067 PMD 1052a5067 PTE 107a42067 # [ 55.373104] Oops: 0011 [#10] SMP PTI # [ 55.377397] CPU: 2 PID: 1721 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 55.392554] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.399467] RIP: 0010:0x7fb2e7f46000 # [ 55.403754] Code: Unable to access opcode bytes at RIP 0x7fb2e7f45fd6. # [ 55.411345] RSP: 0018:ffffa4aa8225fe50 EFLAGS: 00010246 # [ 55.417480] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 55.425749] RDX: 0000000000000000 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 # [ 55.434019] RBP: 00007fb2e7f46000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.442291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 55.450562] R13: ffffa4aa8225ff10 R14: ffffa4aa8225ff10 R15: ffff9d8c4497e000 # [ 55.458832] FS: 00007fb2e7f17580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 55.468167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.474881] CR2: 00007fb2e7f46000 CR3: 0000000105fb8000 CR4: 00000000003506e0 # [ 55.483144] Call Trace: # [ 55.486182] ? __die_body.cold+0x1a/0x1f # [ 55.490863] ? no_context+0x177/0x380 # [ 55.495256] ? exc_page_fault+0x53/0x170 # [ 55.499937] ? asm_exc_page_fault+0x1e/0x30 # [ 55.504918] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 55.516770] ? direct_entry.cold+0x2c/0x38 # [ 55.521641] ? full_proxy_write+0x56/0x80 # [ 55.526414] ? vfs_write+0xea/0x3b0 # [ 55.530605] ? ksys_write+0x68/0xf0 # [ 55.534797] ? do_syscall_64+0x33/0x40 # [ 55.539280] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.545420] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 55.591742] CR2: 00007fb2e7f46000 # [ 55.<6>[ 57.946114] lkdtm: Performing direct entry ACCESS_NULL <6>[ 57.956066] lkdtm: attempting bad read at 0000000000000000 595741] ---[ end trace ecc6a9d815a07589 ]--- # [ 55.601200] R<1>[ 57.962539] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 57.976801] #PF: supervisor read access in kernel mode IP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.605878] Code: 89 ff e8 4e <1>[ 57.982837] #PF: error_code(0x0000) - not-present page e7< 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c6>[ 57.995084] PGD 0 P4D 0 <4>[ 58.004433] Oops: 0000 [#13] SMP PTI c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f <4>[ 58.008718] CPU: 1 PID: 1828 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 58.023865] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.030787] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 58.036341] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 65 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 a5 7f 8f e8 6d d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 a5 7f 8f 48 01 <4>[ 58.057635] RSP: 0018:ffffa4aa82407e58 EFLAGS: 00010246 <4>[ 58.063772] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 58.072042] RDX: 0000000000000000 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 <4>[ 58.080313] RBP: ffffffff8f7f9699 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.088583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 58.096851] R13: ffffa4aa82407f10 R14: ffffa4aa82407f10 R15: ffff9d8c45fd6000 <4>[ 58.105127] FS: 00007f1173f3e580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 58.114464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.121181] CR2: 0000000000000000 CR3: 0000000105a28000 CR4: 00000000003506e0 <4>[ 58.129452] Call Trace: <4>[ 58.132489] ? __die_body.cold+0x1a/0x1f <4>[ 58.137173] ? no_context+0x177/0x380 <4>[ 58.141565] ? exc_page_fault+0x53/0x170 <4>[ 58.146242] ? asm_exc_page_fault+0x1e/0x30 <4>[ 58.151218] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 58.156093] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 58.160967] direct_entry.cold+0x2c/0x38 <4>[ 58.165647] full_proxy_write+0x56/0x80 <4>[ 58.170229] vfs_write+0xea/0x3b0 <4>[ 58.174226] ksys_write+0x68/0xf0 <4>[ 58.178216] do_syscall_64+0x33/0x40 <4>[ 58.182496] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 58.188440] RIP: 0033:0x7f1173e54473 <4>[ 58.192730] 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>[ 58.214018] RSP: 002b:00007fff7a93dc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.222776] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1173e54473 <4>[ 58.231044] RDX: 000000000000000c RSI: 00007f1173d48000 RDI: 0000000000000001 <4>[ 58.239313] RBP: 00007f1173d48000 R08: 00007f1173d47010 R09: 0000000000000000 <4>[ 58.247583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.255854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 57 e9 02 # [ 55.<4>[ 58.264135] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 58.310468] CR2: 0000000000000000 <4>[ 58.314467] ---[ end trace ecc6a9d815a0758c ]--- <4>[ 58.319927] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.324605] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 58.345896] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 58.352031] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.360302] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 58.368570] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.376840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.385111] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 58.393382] FS: 00007f1173f3e580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 58.402724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.409440] CR2: 0000000000000000 CR3: 0000000105a28000 CR4: 00000000003506e0 627165] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 55.633292] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.641561] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 55.649826] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 55.658094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.666361] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 55.674632] FS: 00007fb2e7f17580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 55.683969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.690685] CR2: 00007fb2e7f46000 CR3: 0000000105fb8000 CR4: 00000000003506e0 # [ 55.698958] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.709173] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat # [ 55.717926] INFO: lockdep is turned off. # [ 55.722604] irq event stamp: 0 # [ 55.726305] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.733607] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.743032] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.752467] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.759764] CPU: 2 PID: 1721 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 55.768714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.775621] Call Trace: # [ 55.778654] dump_stack+0x77/0x9b # [ 55.782654] ___might_sleep.cold+0xa6/0xb6 # [ 55.787529] exit_signals+0x1c/0x300 # [ 55.791822] do_exit+0xc2/0xab0 # [ 55.795630] ? ksys_write+0x68/0xf0 # [ 55.799823] make_task_dead+0x2f/0x30 # [ 55.804212] rewind_stack_and_make_dead+0x17/0x20 # [ 55.809763] RIP: 0033:0x7fb2e7e2d473 # [ 55.814054] 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 # [ 55.835340] RSP: 002b:00007ffc3513fc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.844090] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fb2e7e2d473 # [ 55.852358] RDX: 000000000000000f RSI: 00007fb2e7d21000 RDI: 0000000000000001 # [ 55.860630] RBP: 00007fb2e7d21000 R08: 00007fb2e7d20010 R09: 0000000000000000 # [ 55.868901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.877172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 56.193909] lkdtm: Performing direct entry EXEC_NULL # [ 56.202271] lkdtm: attempting ok execution at ffffffff8e379800 # [ 56.215335] lkdtm: attempting bad execution at 0000000000000000 # [ 56.228452] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.242721] #PF: supervisor instruction fetch in kernel mode # [ 56.249337] #PF: error_code(0x0010) - not-pres<6>[ 58.722078] lkdtm: Performing direct entry WRITE_RO <6>[ 58.728248] lkdtm: attempting bad rodata write at ffffffff8f37ecb0 <1>[ 58.735521] BUG: unable to handle page fault for address: ffffffff8f37ecb0 <1>[ 58.743497] #PF: supervisor write access in kernel mode <1>[ 58.749628] #PF: error_code(0x0003) - permissions violation <6>[ 58.756151] PGD 4f429067 P4D 4f429067 PUD 4f42a063 PMD 800000004ec001e1 <4>[ 58.763952] Oops: 0003 [#14] SMP PTI <4>[ 58.768244] CPU: 1 PID: 1863 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 58.777193] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.784111] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 58.789372] Code: 00 48 c7 c7 88 a4 7f 8f 48 c7 c6 b0 ec 37 8f e8 17 da fb ff 48 8b 05 2f 06 97 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f 8f 48 31 d0 <48> 89 05 19 06 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 fc <4>[ 58.810652] RSP: 0018:ffffa4aa82497e60 EFLAGS: 00010202 <4>[ 58.816777] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 58.825047] RDX: 00000000abcd1234 RSI: ffff9d8cbbc9bf70 RDI: ffffffff8f7fa4b8 <4>[ 58.833319] RBP: ffffffff8f7f96a5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.841589] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 58.849860] R13: ffffa4aa82497f10 R14: ffffa4aa82497f10 R15: ffff9d8c45945000 <4>[ 58.858130] FS: 00007f6bd8060580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 58.867469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.874182] CR2: ffffffff8f37ecb0 CR3: 0000000106952000 CR4: 00000000003506e0 <4>[ 58.882450] Call Trace: <4>[ 58.885487] ? __die_body.cold+0x1a/0x1f <4>[ 58.890171] ? no_context+0x177/0x380 <4>[ 58.894564] ? exc_page_fault+0xd7/0x170 <4>[ 58.899245] ? asm_exc_page_fault+0x1e/0x30 <4>[ 58.904225] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 58.908808] direct_entry.cold+0x2c/0x38 <4>[ 58.913483] full_proxy_write+0x56/0x80 <4>[ 58.918069] vfs_write+0xea/0x3b0 <4>[ 58.922068] ksys_write+0x68/0xf0 <4>[ 58.926066] do_syscall_64+0x33/0x40 <4>[ 58.930358] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 58.936299] RIP: 0033:0x7f6bd7f76473 <4>[ 58.940588] 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>[ 58.961866] RSP: 002b:00007fffb840e568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.970624] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6bd7f76473 <4>[ 58.978896] RDX: 0000000000000009 RSI: 00007f6bd7e6a000 RDI: 0000000000000001 <4>[ 58.987164] RBP: 00007f6bd7e6a000 R08: 00007f6bd7e69010 R09: 0000000000000000 <4>[ 58.995432] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.003699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ent page # [ 56.255371] PGD 0 P4D 0 # [ 56.264625] Oops: <4>[ 59.011977] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 59.058316] CR2: ffffffff8f37ecb0 <4>[ 59.062318] ---[ end trace ecc6a9d815a0758d ]--- <4>[ 59.067776] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.072454] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 59.093742] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 59.099873] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.108140] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 59.116408] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.124673] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.132939] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 59.141206] FS: 00007f6bd8060580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 59.150544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.157259] CR2: ffffffff8f37ecb0 CR3: 0000000106952000 CR4: 00000000003506e0 <3>[ 59.165532] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 59.175745] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1863, name: cat <4>[ 59.184500] INFO: lockdep is turned off. <4>[ 59.189174] irq event stamp: 0 <4>[ 59.192879] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.200181] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.209620] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 59.219055] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.226356] CPU: 1 PID: 1863 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 59.235304] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.242210] Call Trace: <4>[ 59.245240] dump_stack+0x77/0x9b <4>[ 59.249241] ___might_sleep.cold+0xa6/0xb6 <4>[ 59.254117] exit_signals+0x1c/0x300 <4>[ 59.258409] do_exit+0xc2/0xab0 <4>[ 59.262216] ? ksys_write+0x68/0xf0 <4>[ 59.266410] make_task_dead+0x2f/0x30 <4>[ 59.270797] rewind_stack_and_make_dead+0x17/0x20 <4>[ 59.276340] RIP: 0033:0x7f6bd7f76473 <4>[ 59.280629] 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>[ 59.301912] RSP: 002b:00007fffb840e568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.310659] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6bd7f76473 <4>[ 59.318922] RDX: 0000000000000009 RSI: 00007f6bd7e6a000 RDI: 0000000000000001 <4>[ 59.327189] RBP: 00007f6bd7e6a000 R08: 00007f6bd7e69010 R09: 0000000000000000 <4>[ 59.335457] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.343724] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0010 [#11] SMP PTI # [ 56.268919] CPU: 1 PID: 1757 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 56.283989] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.290897] RIP: 0010:0x0 # [ 56.294120] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 56.302100] RSP: 0018:ffffa4aa822dfe48 EFLAGS: 00010246 # [ 56.308226] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.316497] RDX: 0000000000000000 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 # [ 56.324767] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.333037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 56.341306] R13: ffffa4aa822dff10 R14: ffffa4aa822dff10 R15: ffff9d8c44911000 # [ 56.349573] FS: 00007f6c23514580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 # [ 56.358911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.365624] CR2: ffffffffffffffd6 CR3: 00000001040ba000 CR4: 00000000003506e0 # [ 56.373892] Call Trace: # [ 56.376930] ? __die_body.cold+0x1a/0x1f # [ 56.381615] ? no_context+0x177/0x380 # [ 56.386006] ? exc_page_fault+0x53/0x170 # [ 56.390686] ? asm_exc_page_fault+0x1e/0x30 # [ 56.395668] execute_location+0x48/0x56 # [ 56.400246] direct_entry.cold+0x2c/0x38 # [ 56.404916] full_proxy_write+0x56/0x80 # [ 56.409495] vfs_write+0xea/0x3b0 # [ 56.413491] ksys_write+0x68/0xf0 # [ 56.417480] do_syscall_64+0x33/0x40 # [ 56.421759] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.427697] RIP: 0033:0x7f6c2342a473 # [ 56.431990] 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 # [ 56.453278] RSP: 002b:00007ffe2c64f948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.462035] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6c2342a473 # [ 56.470306] RDX: 000000000000000a RSI: 00007f6c2331e000 RDI: 0000000000000001 # [ 56.478576] RBP: 00007f6c2331e000 R08: 00007f6c2331d010 R09: 0000000000000000 # [ 56.486842] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.495111] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.503383] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 56.549687] CR2: 0000000000000000 # [ 56.553685] ---[ end trace ecc6a9d815a0758a ]--- # [ 56.559140] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.563816] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 56.585095] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 56.591216] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.599479] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 56.607741] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 56.616002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.624264] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000<6>[ 59.697743] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 56.632529] FS: 00007f6c23514580(0000) GS:ffff9d8cbbc800<6>[ 59.707126] lkdtm: attempting bad ro_after_init write at ffffffff8f87e330 00(0000) knlGS:0000000000000000 # [ 56.641858] CS: 0010 DS: <1>[ 59.721217] BUG: unable to handle page fault for address: ffffffff8f87e330 <1>[ 59.735380] #PF: supervisor write access in kernel mode <1>[ 59.741512] #PF: error_code(0x0003) - permissions violation <6>[ 59.748030] PGD 4f429067 P4D 4f429067 PUD 4f42a063 PMD 1058e6163 PTE 800000004f27e061 <4>[ 59.757093] Oops: 0003 [#15] SMP PTI <04000 ES: 0000 CR0: 0000000080050033 # [ 56.648570] CR2: ffff>[ 59.761384] CPU: 2 PID: 1898 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 59.776448] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.783365] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 59.789689] Code: a4 7f 8f e9 c9 d9 fb ff 48 c7 c7 10 a5 7f 8f e8 bd d9 fb ff 48 8b 05 55 fc e6 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f 8f 48 31 d0 <48> 89 05 3f fc e6 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 59.810970] RSP: 0018:ffffa4aa8250fe60 EFLAGS: 00010202 <4>[ 59.817105] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 59.825375] RDX: 00000000abcd1234 RSI: ffff9d8cbbd1bf70 RDI: ffffffff8f7fa4b8 <4>[ 59.833646] RBP: ffffffff8f7f96ae R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.841915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 59.850187] R13: ffffa4aa8250ff10 R14: ffffa4aa8250ff10 R15: ffff9d8c44ab2000 <4>[ 59.858460] FS: 00007f76c5bc0580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 59.867797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.874507] CR2: ffffffff8f87e330 CR3: 00000001040ba000 CR4: 00000000003506e0 <4>[ 59.882775] Call Trace: <4>[ 59.885810] ? __die_body.cold+0x1a/0x1f <4>[ 59.890491] ? no_context+0x177/0x380 <4>[ 59.894881] ? exc_page_fault+0xd7/0x170 <4>[ 59.899560] ? asm_exc_page_fault+0x1e/0x30 <4>[ 59.904536] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 59.910186] direct_entry.cold+0x2c/0x38 <4>[ 59.914869] full_proxy_write+0x56/0x80 <4>[ 59.919453] vfs_write+0xea/0x3b0 <4>[ 59.923454] ksys_write+0x68/0xf0 <4>[ 59.927455] do_syscall_64+0x33/0x40 <4>[ 59.931746] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 59.937678] RIP: 0033:0x7f76c5ad6473 <4>[ 59.941966] 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>[ 59.963244] RSP: 002b:00007fffee9ae7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.972003] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f76c5ad6473 <4>[ 59.980272] RDX: 0000000000000014 RSI: 00007f76c59ca000 RDI: 0000000000000001 <4>[ 59.988538] RBP: 00007f76c59ca000 R08: 00007f76c59c9010 R09: 0000000000000000 <4>[ 59.996802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.005069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffffd6 CR3: 00000001040ba000 CR4: 00000000003506e0 # EXEC_<4>[ 60.013349] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 60.059679] CR2: ffffffff8f87e330 <4>[ 60.063679] ---[ end trace ecc6a9d815a0758e ]--- <4>[ 60.069138] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.073815] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 60.095102] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 60.101237] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 60.109509] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 60.117777] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 60.126048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 60.134318] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 60.142589] FS: 00007f76c5bc0580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 60.151928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.158644] CR2: ffffffff8f87e330 CR3: 00000001040ba000 CR4: 00000000003506e0 <3>[ 60.166915] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 60.177130] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1898, name: cat <4>[ 60.185882] INFO: lockdep is turned off. <4>[ 60.190553] irq event stamp: 0 <4>[ 60.194257] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.201557] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 60.210997] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.s<4>[ 60.220425] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.233937] CPU: 2 PID: 1898 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 60.242888] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.249798] Call Trace: <4>[ 60.252829] dump_stack+0x77/0x9b <4>[ 60.256830] ___might_sleep.cold+0xa6/0xb6 <4>[ 60.261707] exit_signals+0x1c/0x300 <4>[ 60.265998] do_exit+0xc2/0xab0 <4>[ 60.269806] ? ksys_write+0x68/0xf0 <4>[ 60.274002] make_task_dead+0x2f/0x30 <4>[ 60.278391] rewind_stack_and_make_dead+0x17/0x20 <4>[ 60.283943] RIP: 0033:0x7f76c5ad6473 <4>[ 60.288231] 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>[ 60.309510] RSP: 002b:00007fffee9ae7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.318267] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f76c5ad6473 <4>[ 60.326536] RDX: 0000000000000014 RSI: 00007f76c59ca000 RDI: 0000000000000001 <4>[ 60.334804] RBP: 00007f76c59ca000 R08: 00007f76c59c9010 R09: 0000000000000000 <4>[ 60.343072] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.351341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 h # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 56.962153] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 56.974404] lkdtm: attempting bad read at 00007fa24a653000 # [ 56.980869] BUG: unable to handle page fault for address: 00007fa24a653000 # [ 56.988851] #PF: supervisor read access in kernel mode # [ 56.994874] #PF: error_code(0x0001) - permissions violation # [ 57.001391] PGD 8000000103d5d067 P4D 8000000103d5d067 PUD 10462d067 PMD 1068c4067 PTE 107879067 # [ 57.011429] Oops: 0001 [#12] SMP PTI # [ 57.015721] CPU: 2 PID: 1793 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 57.024669] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.031591] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.038109] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 a5 7f 8f e8 ef d7 fb ff 48 c7 c7 d0 a5 7f 8f b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 f8 a5 7f # [ 57.059401] RSP: 0018:ffffa4aa82387e48 EFLAGS: 00010246 # [ 57.065537] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.073808] RDX: 0000000000000000 RSI: ffff9d8cbbd1bf70 RDI: ffffffff8f7fa5d0 # [ 57.082078] RBP: 00007fa24a653000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.090350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.098619] R13: ffffa4aa82387f10 R14: ffffa4aa82387f10 R15: ffff9d8c45d31000 # [ 57.106890] FS: 00007fa24a624580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 57.116229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.122943] CR2: 00007fa24a653000 CR3: 00000001068f2000 CR4: 00000000003506e0 # [ 57.131212] Call Trace: # [ 57.134252] ? __die_body.cold+0x1a/0x1f # [ 57.138937] ? no_context+0x177/0x380 # [ 57.143332] ? exc_page_fault+0x53/0x170 # [ 57.148012] ? asm_exc_page_fault+0x1e/0x30 # [ 57.152980] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.158827] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 57.164671] direct_entry.cold+0x2c/0x38 # [ 57.169352] full_proxy_write+0x56/0x80 # [ 57.173936] vfs_write+0xea/0x3b0 # [ 57.177935] ksys_write+0x68/0xf0 # [ 57.181935] do_syscall_64+0x33/0x40 # [ 57.186217] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.192160] RIP: 0033:0x7fa24a53a473 # [ 57.196452] 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 # [ 57.217738] RSP: 002b:00007fff548d8ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.226498] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa24a53a473 # [ 57.234769] RDX: 0000000000000011 RSI: 00007fa24a42e000 RDI: 0000000000000001 # [ 57.243039] RBP: 00007fa24a42e000 R08: 00007fa24a42d010 R09: 0000000000000000 # [ 57.251310] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.259577] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.267856] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.314168] CR2: 00007fa24a653000 # [ 57.318157] ---[ end trace ecc6a9d<6>[ 60.702263] lkdtm: Performing direct entry WRITE_KERN <6>[ 60.713875] lkdtm: attempting bad 6901243 byte write at ffffffff8ea0e5fb 815a0758b ]--- # [ 57.323606] RIP: 0010:lkdtm_BUG+0x5/0x10 #<1>[ 60.721708] BUG: unable to handle page fault for address: ffffffff8ea0e5fb <1>[ 60.735870] #PF: supervisor write access in kernel mode <1>[ 60.742004] #PF: error_code(0x0003) - permissions violation < [6 57.328283] Code: 89 ff e8 4e e7 79 ff 48 c7 c0 ea ff ff ff>[ 60.748525] PGD 4f429067 P4D 4f429067 PUD 4f42a063 PMD 4e4001e1 <4>[ 60.761674] Oops: 0003 [#16] SMP PTI eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e<4>[ 60.765966] CPU: 2 PID: 1933 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 60.781126] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.788048] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 60.793506] Code: 53 48 c7 c3 fb e5 a0 8e 49 89 dc 48 89 da 49 81 ec 00 98 37 8e 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 00 98 37 8e a4 48 c7 c7 b8 a4 7f 8f e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 60.814795] RSP: 0018:ffffa4aa8258fe50 EFLAGS: 00010246 <4>[ 60.820932] RAX: 000000000000003c RBX: ffffffff8ea0e5fb RCX: 0000000000694dfb <4>[ 60.829201] RDX: 0000000000000000 RSI: ffffffff8e379800 RDI: ffffffff8ea0e5fb <4>[ 60.837470] RBP: ffffffff8f7f96c2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.845738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000694dfb <4>[ 60.854007] R13: ffffa4aa8258ff10 R14: ffffa4aa8258ff10 R15: ffff9d8c44911000 <4>[ 60.862278] FS: 00007f04a571f580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 60.871616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.878333] CR2: ffffffff8ea0e5fb CR3: 0000000105f18000 CR4: 00000000003506e0 <4>[ 60.886606] Call Trace: <4>[ 60.889646] ? __die_body.cold+0x1a/0x1f <4>[ 60.894330] ? no_context+0x177/0x380 <4>[ 60.898722] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 60.904471] ? exc_page_fault+0xd7/0x170 <4>[ 60.909150] ? asm_exc_page_fault+0x1e/0x30 <4>[ 60.914122] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 60.919870] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 60.925032] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 60.930780] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 60.935556] direct_entry.cold+0x2c/0x38 <4>[ 60.940238] full_proxy_write+0x56/0x80 <4>[ 60.944822] vfs_write+0xea/0x3b0 <4>[ 60.948820] ksys_write+0x68/0xf0 <4>[ 60.952821] do_syscall_64+0x33/0x40 <4>[ 60.957113] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 60.963057] RIP: 0033:0x7f04a5635473 <4>[ 60.967348] 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>[ 60.988632] RSP: 002b:00007ffc1d3ff628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.997388] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f04a5635473 <4>[ 61.005657] RDX: 000000000000000b RSI: 00007f04a5529000 RDI: 0000000000000001 <4>[ 61.013921] RBP: 00007f04a5529000 R08: 00007f04a5528010 R09: 0000000000000000 <4>[ 61.022191] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.030456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 <4>[ 61.038733] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 61.085055] CR2: ffffffff8ea0e5fb <4>[ 61.089055] ---[ end trace ecc6a9d815a0758f ]--- <4>[ 61.094510] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 61.099184] Code: 89 ff e8 4e e7 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 60 57 e9 02 <4>[ 61.120471] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 <4>[ 61.126606] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 61.134876] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 <4>[ 61.143145] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 <4>[ 61.151416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 61.159686] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 <4>[ 61.167957] FS: 00007f04a571f580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 61.177295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.184012] CR2: ffffffff8ea0e5fb CR3: 0000000105f18000 CR4: 00000000003506e0 <3>[ 61.192284] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 61.202498] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1933, name: cat <4>[ 61.211254] INFO: lockdep is turned off. <4>[ 61.215930] irq event stamp: 0 <4>[ 61.219637] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 61.226939] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 61.236379] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 61.245816] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 61.253116] CPU: 2 PID: 1933 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 61.262063] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.268974] Call Trace: <4>[ 61.272003] dump_stack+0x77/0x9b <4>[ 61.276006] ___might_sleep.cold+0xa6/0xb6 <4>[ 61.280883] exit_signals+0x1c/0x300 <4>[ 61.285173] do_exit+0xc2/0xab0 <4>[ 61.288980] ? ksys_write+0x68/0xf0 <4>[ 61.293178] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 61.298923] make_task_dead+0x2f/0x30 <4>[ 61.303311] rewind_stack_and_make_dead+0x17/0x20 <4>[ 61.308862] RIP: 0033:0x7f04a5635473 <4>[ 61.313152] 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>[ 61.334440] RSP: 002b:00007ffc1d3ff628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.343194] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f04a5635473 <4>[ 61.351462] RDX: 000000000000000b RSI: 00007f04a5529000 RDI: 0000000000000001 <4>[ 61.359734] RBP: 00007f04a5529000 R08: 00007f04a5528010 R09: 0000000000000000 <4>[ 61.368003] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.376274] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 00 83 05 60 57 e9 02 # [ 57.349574] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 57.355710] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.363979] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 57.372249] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 57.380516] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.388787] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 57.397061] FS: 00007fa24a624580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 57.406401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.413116] CR2: 00007fa24a653000 CR3: 00000001068f2000 CR4: 00000000003506e0 # [ 57.421391] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.431604] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1793, name: cat # [ 57.440361] INFO: lockdep is turned off. # [ 57.445037] irq event stamp: 0 # [ 57.448740] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.456044] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 57.465485] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 57.474920] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.482224] CPU: 2 PID: 1793 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 57.491174] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.498084] Call Trace: # [ 57.501113] dump_stack+0x77/0x9b # [ 57.505115] ___might_sleep.cold+0xa6/0xb6 # [ 57.509991] exit_signals+0x1c/0x300 # [ 57.514283] do_exit+0xc2/0xab0 # [ 57.518089] ? ksys_write+0x68/0xf0 # [ 57.522284] make_task_dead+0x2f/0x30 # [ 57.526673] rewind_stack_and_make_dead+0x17/0x20 # [ 57.532214] RIP: 0033:0x7fa24a53a473 # [ 57.536503] 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 # [ 57.557791] RSP: 002b:00007fff548d8ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.566543] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa24a53a473 # [ 57.574812] RDX: 0000000000000011 RSI: 00007fa24a42e000 RDI: 0000000000000001 # [ 57.583081] RBP: 00007fa24a42e000 R08: 00007fa24a42d010 R09: 0000000000000000 # [ 57.591351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.599622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 57.946114] lkdtm: Performing direct entry ACCESS_NULL # [ 57.956066] lkdtm: attempting bad read at 0000000000000000 # [ 57.962539] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.976801] #PF: supervisor read access in kernel mode # [ 57.982837] #PF: error_code(0x0000) - not-present page # [ 57.995084] PGD 0 P4D 0 # [ 58.004433] Oops: 0000 [#13] SMP PTI # [ 58.008718] CPU: 1 PID: 1828 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 58.023865] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.030787] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.036341] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 65 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 a5 7f 8f e8 6d d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 a5 7f 8f 48 01 # [ 58.057635] RSP: 0018:ffffa4aa82407e58 EFLAGS: 00010246 # [ 58.063772] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.072042] RDX: 0000000000000000 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 # [ 58.080313] RBP: ffffffff8f7f9699 R08: 0000000000000000 R09: 0000000000000000 # [ 58.088583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.096851] <6>[ 61.773993] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 61.783298] lkdtm: attempting good refcount_inc() without overflow R13: ffffa4aa82407f10 R14: ffffa4aa82407f10 R15: ffff9d8c45fd600<6>[ 61.790533] lkdtm: attempting bad refcount_inc() overflow <4>[ 61.803097] ------------[ cut here ]------------ <4>[ 61.808568] refcount_t: saturated; leaking memory. 0 # [ 58.105127] FS: 00007f1173f3e580(0000) GS:ffff9d8cbbc80<4>[ 61.814292] WARNING: CPU: 0 PID: 1968 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000(0000) knlGS:0000000000000000 # [ 58.114464] CS: 0010 DS:<4>[ 61.830223] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 0000 ES: 0000 CR0: 0000000080050033 # [ 58.121181] CR2: 0000<4>[ 61.876499] CPU: 0 PID: 1968 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 61.891685] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.898627] RIP: 0010:refcount_warn_saturate+0x51/0x110 000000000000 CR3: 0000000105a28000 CR4: 00000000003506e0 # [ <4>[ 61.904787] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 8f c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 58.129452] Call Trace: # [ 58.132489] ? __die_body.cold+0x1a<4>[ 61.932279] RSP: 0018:ffffa4aa825f7e48 EFLAGS: 00010286 <4>[ 61.944658] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 /0x1f # [ 58.137173] ? no_context+0x177/0x380 # [ 58.1415<4>[ 61.952955] RDX: ffff9d8cbbc2c660 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 <4>[ 61.967435] RBP: ffffffff8f7f96cd R08: 0000000000000000 R09: 0000000000000000 <4>[ 61.975728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 61.984029] R13: ffffa4aa825f7f10 R14: ffffa4aa825f7f10 R15: ffff9d8c43fc6000 <4>[ 61.992315] FS: 00007f9f0eda0580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 <4>[ 62.001679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.008425] CR2: 00007f9f0ebaa000 CR3: 00000001026da000 CR4: 00000000003506f0 <4>[ 62.016720] Call Trace: 65] ? exc_page_fault+0x53/0x170 # [ 58.146242] ? asm_exc_pa<4>[ 62.019784] ? __warn+0x80/0x110 <4>[ 62.029934] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.035416] ? report_bug+0x9e/0xc0 <4>[ 62.039637] ? handle_bug+0x41/0x90 ge_fault+0x1e/0x30 # [ 58.151218] ? lkdtm_ACCESS_NULL+0x14/0<4>[ 62.043854] ? exc_invalid_op+0x14/0x70 x53 # [ 58.156093] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.1<4>[ 62.054664] ? asm_exc_invalid_op+0x12/0x20 60967] direct_entry.cold+0x2c/0x38 # [ 58.165647] full_prox<4>[ 62.065848] ? refcount_warn_saturate+0x51/0x110 y_write+0x56/0x80 # [ 58.170229] vfs_write+0xea/0x3b0 # [ <4>[ 62.077530] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.089222] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 58.174226] ksys_write+0x68/0xf0 # [ 58.178216] do_syscall_<4>[ 62.094896] direct_entry.cold+0x2c/0x38 <4>[ 62.105795] full_proxy_write+0x56/0x80 64+0x33/0x40 # [ 58.182496] entry_SYSCALL_64_after_hwframe+0<4>[ 62.110441] vfs_write+0xea/0x3b0 x61/0xc6 # [ 58.188440] RIP: 0033:0x7f1173e54473 # [ 58.19<4>[ 62.120625] ksys_write+0x68/0xf0 <4>[ 62.130852] do_syscall_64+0x33/0x40 <4>[ 62.135168] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 62.141130] RIP: 0033:0x7f9f0ecb6473 <4>[ 62.145445] 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>[ 62.166741] RSP: 002b:00007ffe487246d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.175517] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9f0ecb6473 <4>[ 62.183802] RDX: 0000000000000016 RSI: 00007f9f0ebaa000 RDI: 0000000000000001 <4>[ 62.192093] RBP: 00007f9f0ebaa000 R08: 00007f9f0eba9010 R09: 0000000000000000 <4>[ 62.200379] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.208668] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 62.216966] irq event stamp: 0 <4>[ 62.220689] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.228010] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 62.237465] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 62.246918] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 62.254234] ---[ end trace ecc6a9d815a07590 ]--- <6>[ 62.259709] lkdtm: Overflow detected: saturated 2730] 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 # [ 58.214018] RSP: 002b:00007fff7a93dc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.222776] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1173e54473 # [ 58.231044] RDX: 000000000000000c RSI: 00007f1173d48000 RDI: 0000000000000001 # [ 58.239313] RBP: 00007f1173d48000 R08: 00007f1173d47010 R09: 0000000000000000 # [ 58.247583] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.255854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.264135] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 58.310468] CR2: 0000000000000000 # [ 58.314467] ---[ end trace ecc6a9d815a0758c ]--- # [ 58.319927] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.324605] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 58.345896] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 58.352031] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.360302] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 58.368570] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 58.376840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.385111] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 58.393382] FS: 00007f1173f3e580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 # [ 58.402724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.409440] CR2: 0000000000000000 CR3: 0000000105a28000 CR4: 00000000003506e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.722078] lkdtm: Performing direct entry WRITE_RO # [ 58.728248] lkdtm: attempting bad rodata write at ffffffff8f37ecb0 # [ 58.735521] BUG: unable to handle page fault for address: ffffffff8f37ecb0 # [ 58.743497] #PF: supervisor write access in kernel mode # [ 58.749628] #PF: error_code(0x0003) - permissions violation # [ 58.756151] PGD 4f429067 P4D 4f429067 PUD 4f42a063 PMD 800000004ec001e1 # [ 58.763952] Oops: 0003 [#14] SMP PTI # [ 58.768244] CPU: 1 PID: 1863 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 58.777193] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.784111] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 58.789372] Code: 00 48 c7 c7 88 a4 7f 8f 48 c7 c6 b0 ec 37 8f e8 17 da fb ff 48 8b 05 2f 06 97 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f 8f 48 31 d0 <48> 89 05 19 06 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 fc # [ 58.810652] RSP: 0018:ffffa4aa82497e60 EFLAGS: 00010202 # [ 58.816777] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.825047] RDX: 00000000abcd1234 RSI: ffff9d8cbbc9bf70 RDI: ffffffff8f7fa4b8 # [ 58.833319] RBP: ffffffff8f7f96a5 R08: 0000000000000000 R09: 0000000000000000 # [ 58.841589] R10: 00000000ffffe000 <6>[ 62.607347] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 62.620370] lkdtm: attempting good refcount_add() without overflow <6>[ 62.627602] lkdtm: attempting bad refcount_add() overflow <4>[ 62.633954] ------------[ cut here ]------------ <4>[ 62.639427] refcount_t: saturated; leaking memory. <4>[ 62.645151] WARNING: CPU: 1 PID: 2000 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 R11: 3fffffffffffffff R12: 0000000000000009 # [ 58.849860] R1<4>[ 62.654902] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 62.701176] CPU: 1 PID: 2000 Comm: cat Tainted: G D W 5.10.181-cip34 #1 3: ffffa4aa82497f10 R14: ffffa4aa82497f10 R15: ffff9d8c45945000 <4>[ 62.710157] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.723291] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 62.729463] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 8f c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 <4>[ 62.750782] RSP: 0018:ffffa4aa82677e48 EFLAGS: 00010286 <4>[ 62.756944] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 62.765246] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 <4>[ 62.773533] RBP: ffffffff8f7f96e3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.781827] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 62.790121] R13: ffffa4aa82677f10 R14: ffffa4aa82677f10 R15: ffff9d8c43de4000 <4>[ 62.798416] FS: 00007fab165c5580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 62.807779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.814517] CR2: 00007fab163cf000 CR3: 0000000100956000 CR4: 00000000003506e0 <4>[ 62.822824] Call Trace: <4>[ 62.825884] ? __warn+0x80/0x110 <4>[ 62.829830] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.835312] ? report_bug+0x9e/0xc0 <4>[ 62.839535] ? handle_bug+0x41/0x90 <4>[ 62.843752] ? exc_invalid_op+0x14/0x70 <4>[ 62.848360] ? asm_exc_invalid_op+0x12/0x20 <4>[ 62.853366] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.858849] ? refcount_warn_saturate+0x51/0x110 <4>[ 62.864333] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 <4>[ 62.870012] direct_entry.cold+0x2c/0x38 <4>[ 62.874725] full_proxy_write+0x56/0x80 <4>[ 62.879336] vfs_write+0xea/0x3b0 # [ 58.858130] FS: 00007f6bd8060580(0000) GS:ffff9d8cbbc8000<4>[ 62.883379] ksys_write+0x68/0xf0 0(0000) knlGS:0000000000000000 # [ 58.867469] CS: 0010 DS: 0<4>[ 62.893602] do_syscall_64+0x33/0x40 <4>[ 62.904124] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 62.910092] RIP: 0033:0x7fab164db473 <4>[ 62.914410] 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>[ 62.935725] RSP: 002b:00007ffd2ff6a178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.944500] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fab164db473 <4>[ 62.952794] RDX: 0000000000000016 RSI: 00007fab163cf000 RDI: 0000000000000001 <4>[ 62.961086] RBP: 00007fab163cf000 R08: 00007fab163ce010 R09: 0000000000000000 <4>[ 62.969373] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.977666] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 62.985969] irq event stamp: 0 <4>[ 62.989701] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.997029] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 63.006490] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 000 ES: 0000 CR0: 0000000080050033 # [ 58.874182] CR2: ffffff<4>[ 63.015948] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 63.029486] ---[ end trace ecc6a9d815a07591 ]--- <6>[ 63.034961] lkdtm: Overflow detected: saturated ff8f37ecb0 CR3: 0000000106952000 CR4: 00000000003506e0 # [ 58.882450] Call Trace: # [ 58.885487] ? __die_body.cold+0x1a/0x1f # [ 58.890171] ? no_context+0x177/0x380 # [ 58.894564] ? exc_page_fault+0xd7/0x170 # [ 58.899245] ? asm_exc_page_fault+0x1e/0x30 # [ 58.904225] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 58.908808] direct_entry.cold+0x2c/0x38 # [ 58.913483] full_proxy_write+0x56/0x80 # [ 58.918069] vfs_write+0xea/0x3b0 # [ 58.922068] ksys_write+0x68/0xf0 # [ 58.926066] do_syscall_64+0x33/0x40 # [ 58.930358] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.936299] RIP: 0033:0x7f6bd7f76473 # [ 58.940588] 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 # [ 58.961866] RSP: 002b:00007fffb840e568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.970624] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6bd7f76473 # [ 58.978896] RDX: 0000000000000009 RSI: 00007f6bd7e6a000 RDI: 0000000000000001 # [ 58.987164] RBP: 00007f6bd7e6a000 R08: 00007f6bd7e69010 R09: 0000000000000000 # [ 58.995432] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.003699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.011977] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.058316] CR2: ffffffff8f37ecb0 # [ 59.062318] ---[ end trace ecc6a9d815a0758d ]--- # [ 59.067776] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.072454] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 59.093742] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 59.099873] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.108140] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 59.116408] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 59.124673] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.132939] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 59.141206] FS: 00007f6bd8060580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 # [ 59.150544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.157259] CR2: ffffffff8f37ecb0 CR3: 0000000106952000 CR4: 00000000003506e0 # [ 59.165532] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.175745] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1863, name: cat # [ 59.184500] INFO: lockdep is turned off. # [ 59.189174] irq event stamp: 0 # [ 59.192879] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.200181] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 59.209620] softirqs last enabled at (0): [] copy_proce<6>[ 63.365852] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW ss+0x664/0x1c60 # [ 59.219055] softirqs last disabled at (0):<6>[ 63.377901] lkdtm: attempting bad refcount_inc_not_zero() overflow [<0000000000000000>] 0x0 # [ 59.226356] CPU: 1 PID: 1863 Com<4>[ 63.391359] ------------[ cut here ]------------ <4>[ 63.403040] refcount_t: saturated; leaking memory. m: cat Tainted: G D W 5.10.181-cip34 #1 # [ 59.2<4>[ 63.408757] WARNING: CPU: 0 PID: 2032 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 35304] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ <4>[ 63.424689] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 63.470977] CPU: 0 PID: 2032 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 63.479951] Hardware name: Google Coral/Coral, BIOS 09/29/2020 59.242210] Call Trace: # [ 59.245240] dump_stack+0x77/0x9b<4>[ 63.486892] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 63.499255] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 8f c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 # [ 59.249241] ___might_sleep.cold+0xa6/0xb6 # [ 59.2541<4>[ 63.520559] RSP: 0018:ffffa4aa826c7e38 EFLAGS: 00010282 <4>[ 63.532895] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 63.541182] RDX: ffff9d8cbbc2c660 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 <4>[ 63.549469] RBP: ffffffff8f7f9320 R08: 0000000000000000 R09: 0000000000000000 <4>[ 63.557764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 63.566056] R13: ffffa4aa826c7f10 R14: ffffa4aa826c7f10 R15: ffff9d8c469c7000 <4>[ 63.574346] FS: 00007f801bc9a580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 <4>[ 63.583710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.590447] CR2: 00007f801baa4000 CR3: 00000001041d6000 CR4: 00000000003506f0 <4>[ 63.598734] Call Trace: <4>[ 63.601794] ? __warn+0x80/0x110 17] exit_signals+0x1c/0x300 # [ 59.258409] do_exit+0xc2/0xa<4>[ 63.605718] ? refcount_warn_saturate+0x97/0x110 <4>[ 63.617377] ? report_bug+0x9e/0xc0 <4>[ 63.621599] ? handle_bug+0x41/0x90 b0 # [ 59.262216] ? ksys_write+0x68/0xf0 # [ 59.266410] <4>[ 63.625827] ? exc_invalid_op+0x14/0x70 <4>[ 63.636608] ? asm_exc_invalid_op+0x12/0x20 <4>[ 63.641609] ? refcount_warn_saturate+0x97/0x110 make_task_dead+0x2f/0x30 # [ 59.270797] rewind_stack_and_mak<4>[ 63.647086] ? refcount_warn_saturate+0x97/0x110 e_dead+0x17/0x20 # [ 59.276340] RIP: 0033:0x7f6bd7f76473 # [<4>[ 63.658757] __refcount_add_not_zero.constprop.0+0x2a/0x35 59.280629] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff<4>[ 63.671415] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 <4>[ 63.684191] direct_entry.cold+0x2c/0x38 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83<4>[ 63.695116] full_proxy_write+0x56/0x80 <4>[ 63.705939] vfs_write+0xea/0x3b0 <4>[ 63.709964] ksys_write+0x68/0xf0 ec 28 48 89 54 24 18 # [ 59.301912] RSP: 002b:00007fffb840e5<4>[ 63.714027] do_syscall_64+0x33/0x40 68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.310659]<4>[ 63.724566] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 63.736736] RIP: 0033:0x7f801bbb0473 RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6bd7f764<4>[ 63.741051] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 63.768551] RSP: 002b:00007ffeb67f5b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 63.777335] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f801bbb0473 <4>[ 63.785628] RDX: 000000000000001f RSI: 00007f801baa4000 RDI: 0000000000000001 <4>[ 63.793919] RBP: 00007f801baa4000 R08: 00007f801baa3010 R09: 0000000000000000 <4>[ 63.802213] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.810504] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 73 # [ 59.318922] RDX: 0000000000000009 RSI: 00007f6bd7e6a000<4>[ 63.818805] irq event stamp: 0 <4>[ 63.828744] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 63.836065] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 63.845524] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 63.854984] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 63.862306] ---[ end trace ecc6a9d815a07592 ]--- <6>[ 63.867784] lkdtm: Overflow detected: saturated RDI: 0000000000000001 # [ 59.327189] RBP: 00007f6bd7e6a000 R08: 00007f6bd7e69010 R09: 0000000000000000 # [ 59.335457] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.343724] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 59.697743] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 59.707126] lkdtm: attempting bad ro_after_init write at ffffffff8f87e330 # [ 59.721217] BUG: unable to handle page fault for address: ffffffff8f87e330 # [ 59.735380] #PF: supervisor write access in kernel mode # [ 59.741512] #PF: error_code(0x0003) - permissions violation # [ 59.748030] PGD 4f429067 P4D 4f429067 PUD 4f42a063 PMD 1058e6163 PTE 800000004f27e061 # [ 59.757093] Oops: 0003 [#15] SMP PTI # [ 59.761384] CPU: 2 PID: 1898 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 59.776448] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 59.783365] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.789689] Code: a4 7f 8f e9 c9 d9 fb ff 48 c7 c7 10 a5 7f 8f e8 bd d9 fb ff 48 8b 05 55 fc e6 00 ba 34 12 cd ab 48 c7 c7 b8 a4 7f 8f 48 31 d0 <48> 89 05 3f fc e6 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.810970] RSP: 0018:ffffa4aa8250fe60 EFLAGS: 00010202 # [ 59.817105] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.825375] RDX: 00000000abcd1234 RSI: ffff9d8cbbd1bf70 RDI: ffffffff8f7fa4b8 # [ 59.833646] RBP: ffffffff8f7f96ae R08: 0000000000000000 R09: 0000000000000000 # [ 59.841915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.850187] R13: ffffa4aa8250ff10 R14: ffffa4aa8250ff10 R15: ffff9d8c44ab2000 # [ 59.858460] FS: 00007f76c5bc0580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 59.867797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.874507] CR2: ffffffff8f87e330 CR3: 00000001040ba000 CR4: 00000000003506e0 # [ 59.882775] Call Trace: # [ 59.885810] ? __die_body.cold+0x1a/0x1f # [ 59.890491] ? no_context+0x177/0x380 # [ 59.894881] ? exc_page_fault+0xd7/0x170 # [ 59.899560] ? asm_exc_page_fault+0x1e/0x30 # [ 59.904536] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.910186] direct_entry.cold+0x2c/0x38 # [ 59.914869] full_proxy_write+0x56/0x80 # [ 59.919453] vfs_write+0xea/0x3b0 # [ 59.923454] ksys_write+0x68/0xf0 # [ 59.927455] do_syscall_64+0x33/0x40 # [ 59.931746] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.937678] RIP: 0033:0x7f76c5ad6473 # [ 59.941966] 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 # [ 59.963244] RSP: 002b:00007fffee9ae7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.972003] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f76c5ad6473 # [ 59.980272] RDX: 0000000000000014 RSI: 00007f76c59ca000 RDI: 0000000000000001 # [ 59.988538] RBP: 00007f76c59ca000 R08: 00007f76c59c9010 R09: 0000000000000000 # [ 59.996802] R10: fffffffffffffbc5 R11: <6>[ 64.189328] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 64.198253] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 64.205522] ------------[ cut here ]------------ <4>[ 64.211008] refcount_t: saturated; leaking memory. 0000000000000246 R12: 0000000000000001 # [ 60.005069] R13: 00<4>[ 64.216732] WARNING: CPU: 1 PID: 2064 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 64.232703] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 64.279084] CPU: 1 PID: 2064 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 64.288074] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 64.295015] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 64.301178] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 8f c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 <4>[ 64.322504] RSP: 0018:ffffa4aa8277fe38 EFLAGS: 00010282 <4>[ 64.328666] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 64.336961] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 <4>[ 64.345262] RBP: ffffffff8f7f9340 R08: 0000000000000000 R09: 0000000000000000 <4>[ 64.353556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 64.361850] R13: ffffa4aa8277ff10 R14: ffffa4aa8277ff10 R15: ffff9d8c43270000 <4>[ 64.370145] FS: 00007fd673ab2580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 64.379511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 64.386248] CR2: 00007fd6738bc000 CR3: 0000000103d78000 CR4: 00000000003506e0 <4>[ 64.394539] Call Trace: <4>[ 64.397591] ? __warn+0x80/0x110 <4>[ 64.401519] ? refcount_warn_saturate+0x97/0x110 <4>[ 64.406992] ? report_bug+0x9e/0xc0 <4>[ 64.411221] ? handle_bug+0x41/0x90 <4>[ 64.415438] ? exc_invalid_op+0x14/0x70 <4>[ 64.420047] ? asm_exc_invalid_op+0x12/0x20 <4>[ 64.425043] ? refcount_warn_saturate+0x97/0x110 <4>[ 64.430517] ? refcount_warn_saturate+0x97/0x110 <4>[ 64.435998] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 64.442453] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 64.449011] direct_entry.cold+0x2c/0x38 <4>[ 64.453713] full_proxy_write+0x56/0x80 <4>[ 64.458326] vfs_write+0xea/0x3b0 60.013349] Modules linked in: fuse ip_tables cros_ec_chardev u<4>[ 64.462372] ksys_write+0x68/0xf0 vcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videob<4>[ 64.472579] do_syscall_64+0x33/0x40 uf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger v<4>[ 64.483090] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 64.495266] RIP: 0033:0x7fd6739c8473 <4>[ 64.499586] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 64.520899] RSP: 002b:00007ffe5d33b908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 64.529682] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd6739c8473 <4>[ 64.537975] RDX: 000000000000001f RSI: 00007fd6738bc000 RDI: 0000000000000001 <4>[ 64.546272] RBP: 00007fd6738bc000 R08: 00007fd6738bb010 R09: 0000000000000000 <4>[ 64.554575] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 64.562866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 64.571170] irq event stamp: 0 <4>[ 64.574899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 64.582232] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 64.591696] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 64.601149] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 64.608471] ---[ end trace ecc6a9d815a07593 ]--- ideobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_co<6>[ 64.613953] lkdtm: Overflow detected: saturated mmon snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 60.059679] CR2: ffffffff8f87e330 # [ 60.063679] ---[ end trace ecc6a9d815a0758e ]--- # [ 60.069138] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.073815] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 60.095102] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 60.101237] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.109509] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 60.117777] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 60.126048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.134318] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 60.142589] FS: 00007f76c5bc0580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 60.151928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.158644] CR2: ffffffff8f87e330 CR3: 00000001040ba000 CR4: 00000000003506e0 # [ 60.166915] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.177130] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1898, name: cat # [ 60.185882] INFO: lockdep is turned off. # [ 60.190553] irq event stamp: 0 # [ 60.194257] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.201557] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 60.210997] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 60.220425] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.233937] CPU: 2 PID: 1898 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 60.242888] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.249798] Call Trace: # [ 60.252829] dump_stack+0x77/0x9b # [ 60.256830] ___might_sleep.cold+0xa6/0xb6 # [ 60.261707] exit_signals+0x1c/0x300 # [ 60.265998] do_exit+0xc2/0xab0 # [ 60.269806] ? ksys_write+0x68/0xf0 # [ 60.274002] make_task_dead+0x2f/0x30 # [ 60.278391] rewind_stack_and_make_dead+0x17/0x20 # [ 60.283943] RIP: 0033:0x7f76c5ad6473 # [ 60.288231] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.309510] RSP: 002b:00007fffee9ae7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.318267] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f76c5ad6473 # [ 60.326536] RDX: 0000000000000014 RSI: 00007f76c59ca000 RDI: 0000000000000001 # [ 60.334804] RBP: 00007f76c59ca000 R08: 00007f76c59c9010 R09: 0000000000000000 # [ 60.343072] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.351341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 60.702263] lkdtm: Performing direct entry WRITE_KERN <6>[ 64.948221] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 60.713875] lkdtm: attempting bad 6901243 byte write at ff<6>[ 64.955979] lkdtm: attempting good refcount_dec() ffffff8ea0e5fb # [ 60.721708] BUG: unable to handle page faul<6>[ 64.967415] lkdtm: attempting bad refcount_dec() to zero t for address: ffffffff8ea0e5fb # [ 60.735870] #PF: superviso<4>[ 64.979858] ------------[ cut here ]------------ r write access in kernel mode # [ 60.742004] #PF: error_code(<4>[ 64.991794] refcount_t: decrement hit 0; leaking memory. 0x0003) - permissions violation # [ 60.748525] PGD 4f429067 P<4>[ 65.004305] WARNING: CPU: 3 PID: 2096 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 4D 4f429067 PUD 4f42a063 PMD 4e4001e1 # [ 60.761674] Oops: 0<4>[ 65.020137] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 003 [#16] SMP PTI # [ 60.765966] CPU: 2 PID: 1933 Comm: cat T<4>[ 65.066254] CPU: 3 PID: 2096 Comm: cat Tainted: G D W 5.10.181-cip34 #1 ainted: G D W 5.10.181-cip34 #1 # [ 60.781126] H<4>[ 65.081551] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.788<4>[ 65.094673] RIP: 0010:refcount_warn_saturate+0xfb/0x110 048] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 60.793506] Code<4>[ 65.107040] Code: 18 47 75 8f c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 8f c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b : 53 48 c7 c3 fb e5 a0 8e 49 89 dc 48 89 da 49 81 ec 00 98 37 8e<4>[ 65.134545] RSP: 0018:ffffa4aa827efe48 EFLAGS: 00010286 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 00 98 37 8e <4>[ 65.146908] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 a4 48 c7 c7 b8 a4 7f 8f e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff<4>[ 65.161409] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 ff # [ 60.814795] RSP: 0018:ffffa4aa8258fe50 EFLAGS: 0001024<4>[ 65.175882] RBP: ffffffff8f7f96f9 R08: 0000000000000000 R09: 0000000000000000 6 # [ 60.820932] RAX: 000000000000003c RBX: ffffffff8ea0e5fb <4>[ 65.190396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 RCX: 0000000000694dfb # [ 60.829201] RDX: 0000000000000000 RS<4>[ 65.204869] R13: ffffa4aa827eff10 R14: ffffa4aa827eff10 R15: ffff9d8c413ec000 I: ffffffff8e379800 RDI: ffffffff8ea0e5fb # [ 60.837470] RBP:<4>[ 65.219334] FS: 00007f10ad67b580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 ffffffff8f7f96c2 R08: 0000000000000000 R09: 0000000000000000 #<4>[ 65.234878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.845738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:<4>[ 65.247771] CR2: 00007f10ad485000 CR3: 000000010314a000 CR4: 00000000003506e0 0000000000694dfb # [ 60.854007] R13: ffffa4aa8258ff10 R14: f<4>[ 65.262275] Call Trace: fffa4aa8258ff10 R15: ffff9d8c44911000 # [ 60.862278] FS: 000<4>[ 65.271525] ? __warn+0x80/0x110 07f04a571f580(0000) GS:ffff9d8cbbd00000(0000) knlGS:000000000000<4>[ 65.281628] ? refcount_warn_saturate+0xfb/0x110 0000 # [ 60.871616] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000<4>[ 65.293311] ? report_bug+0x9e/0xc0 80050033 # [ 60.878333] CR2: ffffffff8ea0e5fb CR3: 0000000105<4>[ 65.303772] ? handle_bug+0x41/0x90 f18000 CR4: 00000000003506e0 # [ 60.886606] Call Trace: # [ <4>[ 65.314171] ? exc_invalid_op+0x14/0x70 60.889646] ? __die_body.cold+0x1a/0x1f # [ 60.894330] ? n<4>[ 65.324971] ? asm_exc_invalid_op+0x12/0x20 o_context+0x177/0x380 # [ 60.898722] ? lkdtm_SLAB_FREE_CROSS<4>[ 65.336188] ? refcount_warn_saturate+0xfb/0x110 .cold+0x32/0x32 # [ 60.904471] ? exc_page_fault+0xd7/0x170 <4>[ 65.347851] ? refcount_warn_saturate+0xfb/0x110 # [ 60.909150] ? asm_exc_page_fault+0x1e/0x30 # [ 60.91412<4>[ 65.359532] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 2] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.919870] ? <4>[ 65.371050] direct_entry.cold+0x2c/0x38 lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 60.925032] ? lkdtm_SLAB_F<4>[ 65.381938] full_proxy_write+0x56/0x80 REE_CROSS.cold+0x32/0x32 # [ 60.930780] ? lkdtm_WRITE_KERN+0<4>[ 65.392742] vfs_write+0xea/0x3b0 x38/0x4e # [ 60.935556] direct_entry.cold+0x2c/0x38 # [ 6<4>[ 65.402982] ksys_write+0x68/0xf0 0.940238] full_proxy_write+0x56/0x80 # [ 60.944822] vfs_wri<4>[ 65.413184] do_syscall_64+0x33/0x40 te+0xea/0x3b0 # [ 60.948820] ksys_write+0x68/0xf0 # [ 60.<4>[ 65.423696] entry_SYSCALL_64_after_hwframe+0x61/0xc6 952821] do_syscall_64+0x33/0x40 # [ 60.957113] entry_SYSCAL<4>[ 65.435877] RIP: 0033:0x7f10ad591473 L_64_after_hwframe+0x61/0xc6 # [ 60.963057] RIP: 0033:0x7f04a<4>[ 65.446372] 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 5635473 # [ 60.967348] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02<4>[ 65.473882] RSP: 002b:00007fffc9ba3a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 <4>[ 65.488849] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f10ad591473 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f<4>[ 65.503386] RDX: 0000000000000012 RSI: 00007f10ad485000 RDI: 0000000000000001 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.988632] RSP: 002b:00<4>[ 65.517858] RBP: 00007f10ad485000 R08: 00007f10ad484010 R09: 0000000000000000 007ffc1d3ff628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <4>[ 65.532398] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 60.997388] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00<4>[ 65.547019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 007f04a5635473 # [ 61.005657] RDX: 000000000000000b RSI: 0000<4>[ 65.561411] irq event stamp: 0 7f04a5529000 RDI: 0000000000000001 # [ 61.013921] RBP: 00007f<4>[ 65.571426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 04a5529000 R08: 00007f04a5528010 R09: 0000000000000000 # [ 61<4>[ 65.584888] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 .022191] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000<4>[ 65.600585] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0000000001 # [ 61.030456] R13: 0000000000000001 R14: 00000000<4>[ 65.616213] softirqs last disabled at (0): [<0000000000000000>] 0x0 00020000 R15: 0000000000020000 # [ 61.038733] Modules linked <4>[ 65.629745] ---[ end trace ecc6a9d815a07594 ]--- in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_u<6>[ 65.641407] lkdtm: Zero detected: saturated sbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 61.085055] CR2: ffffffff8ea0e5fb # [ 61.089055] ---[ end trace ecc6a9d815a0758f ]--- # [ 61.094510] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.099184] Code: 89 ff e8 4e e7 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 60 57 e9 02 # [ 61.120471] RSP: 0018:ffffa4aa81257e60 EFLAGS: 00010286 # [ 61.126606] RAX: ffffffff8e379430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.134876] RDX: 0000000000000000 RSI: ffff9d8cbbd9bf70 RDI: ffffffff8f37e830 # [ 61.143145] RBP: ffffffff8f85db78 R08: 0000000000000001 R09: 0000000000000001 # [ 61.151416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.159686] R13: ffffa4aa81257f10 R14: ffffa4aa81257f10 R15: ffff9d8c42987000 # [ 61.167957] FS: 00007f04a571f580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 61.177295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.184012] CR2: ffffffff8ea0e5fb CR3: 0000000105f18000 CR4: 00000000003506e0 # [ 61.192284] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 61.202498] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1933, name: cat # [ 61.211254] INFO: lockdep is turned off. # [ 61.215930] irq event stamp: 0 # [ 61.219637] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.226939] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 61.236379] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 61.245816] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.253116] CPU: 2 PID: 1933 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 61.262063] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.268974] Call Trace: # [ 61.272003] dump_stack+0x77/0x9b # [ 61.276006] ___might_sleep.cold+0xa6/0xb6 # [ 61.280883] exit_signals+0x1c/0x300 # [ 61.285173] do_exit+0xc2/0xab0 # [ 61.288980] ? ksys_write+0x68/0xf0 # [ 61.293178] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 61.298923] make_task_dead+0x2f/0x30 # [ 61.303311] rewind_stack_and_make_dead+0x17/0x20 # [ 61.308862] RIP: 0033:0x7f04a5635473 # [ 61.313152] 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 # [ 61.334440] RSP: 002b:00007ffc1d3ff628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.343194] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f04a5635473 # [ 61.351462] RDX: 000000000000000b RSI: 00007f04a5529000 RDI: 0000000000000001 # [ 61.359734] RBP: 00007f04a5529000 R08: 00007f04a5528010 R09: 0000000000000000 # [ 61.368003] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.376274] 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 # [ 61.773993] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.783298] lkdtm: attempting good refcount_inc() without overflow # [ 61.790533] lkdtm: attempting bad refcount_inc() overflow # [ 61.803097] ------------[ cut here ]------------ # [ 61.808568] refcount_t: saturated; leaking memory. # [ 61.814292] WARNING: CPU: 0 PID: 1968 at <6>[ 66.022009] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 66.032835] lkdtm: attempting bad refcount_dec() below zero <4>[ 66.039395] ------------[ cut here ]------------ <4>[ 66.044869] refcount_t: decrement hit 0; leaking memory. <4>[ 66.051171] WARNING: CPU: 1 PID: 2131 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.83<4>[ 66.060918] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 66.107185] CPU: 1 PID: 2131 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 66.116159] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 66.123095] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 66.129249] Code: 18 47 75 8f c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 8f c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 66.150571] RSP: 0018:ffffa4aa8285fe48 EFLAGS: 00010286 <4>[ 66.156740] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 66.165031] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 <4>[ 66.173326] RBP: ffffffff8f7f970b R08: 0000000000000000 R09: 0000000000000000 <4>[ 66.181617] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 66.189913] R13: ffffa4aa8285ff10 R14: ffffa4aa8285ff10 R15: ffff9d8c4591a000 <4>[ 66.198207] FS: 00007f04de694580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 66.207566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 66.214301] CR2: 00007f04de49e000 CR3: 000000010314a000 CR4: 00000000003506e0 <4>[ 66.222589] Call Trace: <4>[ 66.225647] ? __warn+0x80/0x110 <4>[ 66.229574] ? refcount_warn_saturate+0xfb/0x110 <4>[ 66.235058] ? report_bug+0x9e/0xc0 <4>[ 66.239282] ? handle_bug+0x41/0x90 <4>[ 66.243496] ? exc_invalid_op+0x14/0x70 <4>[ 66.248098] ? asm_exc_invalid_op+0x12/0x20 <4>[ 66.253099] ? refcount_warn_saturate+0xfb/0x110 <4>[ 66.258578] ? refcount_warn_saturate+0xfb/0x110 <4>[ 66.264054] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 66.269730] direct_entry.cold+0x2c/0x38 <4>[ 66.274436] full_proxy_write+0x56/0x80 <4>[ 66.279050] vfs_write+0xea/0x3b0 <4>[ 66.283074] ksys_write+0x68/0xf0 <4>[ 66.287096] do_syscall_64+0x33/0x40 <4>[ 66.291411] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 66.297380] RIP: 0033:0x7f04de5aa473 0223] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo<4>[ 66.301691] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 66.329207] RSP: 002b:00007ffccb672a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 66.337991] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f04de5aa473 <4>[ 66.346281] RDX: 0000000000000016 RSI: 00007f04de49e000 RDI: 0000000000000001 <4>[ 66.354569] RBP: 00007f04de49e000 R08: 00007f04de49d010 R09: 0000000000000000 <4>[ 66.362859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 66.371197] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 66.379531] irq event stamp: 0 <4>[ 66.383261] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 66.390585] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 66.400043] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 66.409494] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 66.416817] ---[ end trace ecc6a9d815a07595 ]--- <6>[ 66.422287] lkdtm: Negative detected: saturated cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 61.876499] CPU: 0 PID: 1968 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 61.891685] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.898627] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.904787] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 8f c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 # [ 61.932279] RSP: 0018:ffffa4aa825f7e48 EFLAGS: 00010286 # [ 61.944658] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.952955] RDX: ffff9d8cbbc2c660 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 # [ 61.967435] RBP: ffffffff8f7f96cd R08: 0000000000000000 R09: 0000000000000000 # [ 61.975728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.984029] R13: ffffa4aa825f7f10 R14: ffffa4aa825f7f10 R15: ffff9d8c43fc6000 # [ 61.992315] FS: 00007f9f0eda0580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 # [ 62.001679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.008425] CR2: 00007f9f0ebaa000 CR3: 00000001026da000 CR4: 00000000003506f0 # [ 62.016720] Call Trace: # [ 62.019784] ? __warn+0x80/0x110 # [ 62.029934] ? refcount_warn_saturate+0x51/0x110 # [ 62.035416] ? report_bug+0x9e/0xc0 # [ 62.039637] ? handle_bug+0x41/0x90 # [ 62.043854] ? exc_invalid_op+0x14/0x70 # [ 62.054664] ? asm_exc_invalid_op+0x12/0x20 # [ 62.065848] ? refcount_warn_saturate+0x51/0x110 # [ 62.077530] ? refcount_warn_saturate+0x51/0x110 # [ 62.089222] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 62.094896] direct_entry.cold+0x2c/0x38 # [ 62.105795] full_proxy_write+0x56/0x80 # [ 62.110441] vfs_write+0xea/0x3b0 # [ 62.120625] ksys_write+0x68/0xf0 # [ 62.130852] do_syscall_64+0x33/0x40 # [ 62.135168] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.141130] RIP: 0033:0x7f9f0ecb6473 # [ 62.145445] 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 # [ 62.166741] RSP: 002b:00007ffe487246d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.175517] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9f0ecb6473 # [ 62.183802] RDX: 0000000000000016 RSI: 00007f9f0ebaa000 RDI: 0000000000000001 # [ 62.192093] RBP: 00007f9f0ebaa000 R08: 00007f9f0eba9010 R09: 0000000000000000 # [ 62.200379] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.208668] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.216966] irq event stamp: 0 # [ 62.220689] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.228010] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 62.237465] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 62.246918] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.254234] ---[ end trace ecc6a9d815a07590 ]--- # [ 62.259709] lkdtm: Overflow detected: saturated # REFCOUNT_<6>[ 66.766130] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 66.777677] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 66.785128] ------------[ cut here ]------------ <4>[ 66.790617] refcount_t: underflow; use-after-free. INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REF<4>[ 66.796344] WARNING: CPU: 1 PID: 2166 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 COUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW<4>[ 66.812311] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 66.858660] CPU: 1 PID: 2166 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 66.867638] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 66.874577] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 66.880742] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 8f c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 66.902067] RSP: 0018:ffffa4aa828e7e40 EFLAGS: 00010286 <4>[ 66.908231] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 66.916529] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 <4>[ 66.924829] RBP: ffffffff8f7f9360 R08: 0000000000000000 R09: 0000000000000000 <4>[ 66.933122] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 66.941415] R13: ffffa4aa828e7f10 R14: ffffa4aa828e7f10 R15: ffff9d8c45df8000 <4>[ 66.949699] FS: 00007f8eb0691580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 66.959060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 66.965798] CR2: 00007f8eb049b000 CR3: 0000000105e8e000 CR4: 00000000003506e0 <4>[ 66.974090] Call Trace: <4>[ 66.977151] ? __warn+0x80/0x110 <4>[ 66.981088] ? refcount_warn_saturate+0xba/0x110 <4>[ 66.986573] ? report_bug+0x9e/0xc0 <4>[ 66.990802] ? handle_bug+0x41/0x90 <4>[ 66.995034] ? exc_invalid_op+0x14/0x70 <4>[ 66.999645] ? asm_exc_invalid_op+0x12/0x20 <4>[ 67.004652] ? refcount_warn_saturate+0xba/0x110 <4>[ 67.010136] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 67.016593] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 67.023148] direct_entry.cold+0x2c/0x38 <4>[ 67.027860] full_proxy_write+0x56/0x80 <4>[ 67.032480] vfs_write+0xea/0x3b0 <4>[ 67.036555] ksys_write+0x68/0xf0 .sh # [ 62.607347] lkdtm: Performing direct entry REFCOUNT_AD<4>[ 67.040592] do_syscall_64+0x33/0x40 D_OVERFLOW # [ 62.620370] lkdtm: attempting good refcount_add<4>[ 67.051101] entry_SYSCALL_64_after_hwframe+0x61/0xc6 () without overflow # [ 62.627602] lkdtm: attempting bad refc<4>[ 67.063266] RIP: 0033:0x7f8eb05a7473 <4>[ 67.073786] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 67.095100] RSP: 002b:00007fff99164bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 67.103886] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8eb05a7473 <4>[ 67.112177] RDX: 000000000000001f RSI: 00007f8eb049b000 RDI: 0000000000000001 <4>[ 67.120464] RBP: 00007f8eb049b000 R08: 00007f8eb049a010 R09: 0000000000000000 <4>[ 67.128765] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 67.137060] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 67.145368] irq event stamp: 0 <4>[ 67.149099] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 67.156427] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.165886] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.175348] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 67.182669] ---[ end trace ecc6a9d815a07596 ]--- <6>[ 67.188146] lkdtm: Negative detected: saturated ount_add() overflow # [ 62.633954] ------------[ cut here ]------------ # [ 62.639427] refcount_t: saturated; leaking memory. # [ 62.645151] WARNING: CPU: 1 PID: 2000 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 62.654902] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 62.701176] CPU: 1 PID: 2000 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 62.710157] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.723291] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 62.729463] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 8f c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 # [ 62.750782] RSP: 0018:ffffa4aa82677e48 EFLAGS: 00010286 # [ 62.756944] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 62.765246] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 # [ 62.773533] RBP: ffffffff8f7f96e3 R08: 0000000000000000 R09: 0000000000000000 # [ 62.781827] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.790121] R13: ffffa4aa82677f10 R14: ffffa4aa82677f10 R15: ffff9d8c43de4000 # [ 62.798416] FS: 00007fab165c5580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 # [ 62.807779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.814517] CR2: 00007fab163cf000 CR3: 0000000100956000 CR4: 00000000003506e0 # [ 62.822824] Call Trace: # [ 62.825884] ? __warn+0x80/0x110 # [ 62.829830] ? refcount_warn_saturate+0x51/0x110 # [ 62.835312] ? report_bug+0x9e/0xc0 # [ 62.839535] ? handle_bug+0x41/0x90 # [ 62.843752] ? exc_invalid_op+0x14/0x70 # [ 62.848360] ? asm_exc_invalid_op+0x12/0x20 # [ 62.853366] ? refcount_warn_saturate+0x51/0x110 # [ 62.858849] ? refcount_warn_saturate+0x51/0x110 # [ 62.864333] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 62.870012] direct_entry.cold+0x2c/0x38 # [ 62.874725] full_proxy_write+0x56/0x80 # [ 62.879336] vfs_write+0xea/0x3b0 # [ 62.883379] ksys_write+0x68/0xf0 # [ 62.893602] do_syscall_64+0x33/0x40 # [ 62.904124] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.910092] RIP: 0033:0x7fab164db473 # [ 62.914410] 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 # [ 62.935725] RSP: 002b:00007ffd2ff6a178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.944500] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fab164db473 # [ 62.952794] RDX: 0000000000000016 RSI: 00007fab163cf000 RDI: 0000000000000001 # [ 62.961086] RBP: 00007fab163cf000 R08: 00007fab163ce010 R09: 0000000000000000 # [ 62.969373] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.977666] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.985969] irq event stamp: 0 # [ 62.989701] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.997029] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 63.006490] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 63.015948<6>[ 67.544445] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 67.556023] lkdtm: attempting bad refcount_sub_and_test() below zero ] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 67.563465] ------------[ cut here ]------------ <4>[ 67.575111] refcount_t: underflow; use-after-free. 63.029486] ---[ end trace ecc6a9d815a07591 ]--- # [ 63.03496<4>[ 67.580852] WARNING: CPU: 2 PID: 2201 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 1] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW:<4>[ 67.596815] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 67.643181] CPU: 2 PID: 2201 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 67.652154] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 67.659092] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 67.665249] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 8f c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 67.686566] RSP: 0018:ffffa4aa8295fe40 EFLAGS: 00010286 <4>[ 67.692724] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 67.701014] RDX: ffff9d8cbbd2c660 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 <4>[ 67.709312] RBP: ffffffff8f7f9380 R08: 0000000000000000 R09: 0000000000000000 <4>[ 67.717600] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 67.725890] R13: ffffa4aa8295ff10 R14: ffffa4aa8295ff10 R15: ffff9d8c44776000 <4>[ 67.734188] FS: 00007fe4ee2b1580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 <4>[ 67.743544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 67.750280] CR2: 00007fe4ee0bb000 CR3: 0000000105ff8000 CR4: 00000000003506e0 <4>[ 67.758578] Call Trace: <4>[ 67.761638] ? __warn+0x80/0x110 <4>[ 67.765566] ? refcount_warn_saturate+0xba/0x110 <4>[ 67.771036] ? report_bug+0x9e/0xc0 <4>[ 67.775262] ? handle_bug+0x41/0x90 <4>[ 67.779474] ? exc_invalid_op+0x14/0x70 <4>[ 67.784079] ? asm_exc_invalid_op+0x12/0x20 <4>[ 67.789083] ? refcount_warn_saturate+0xba/0x110 <4>[ 67.794565] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 67.801016] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 67.807564] direct_entry.cold+0x2c/0x38 <4>[ 67.812271] full_proxy_write+0x56/0x80 <4>[ 67.816884] vfs_write+0xea/0x3b0 saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVE<4>[ 67.820921] ksys_write+0x68/0xf0 <4>[ 67.831131] do_syscall_64+0x33/0x40 RFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh <4>[ 67.835441] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 67.847617] RIP: 0033:0x7fe4ee1c7473 # [ 63.365852] lkdtm: Performing direct entry REFCOUNT_INC_NO<4>[ 67.851932] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 67.879450] RSP: 002b:00007ffe7df84f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 67.888274] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe4ee1c7473 <4>[ 67.896595] RDX: 000000000000001f RSI: 00007fe4ee0bb000 RDI: 0000000000000001 <4>[ 67.904891] RBP: 00007fe4ee0bb000 R08: 00007fe4ee0ba010 R09: 0000000000000000 <4>[ 67.913180] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 67.921469] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 67.929768] irq event stamp: 0 <4>[ 67.933493] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 67.940822] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.950273] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 67.959726] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 67.967042] ---[ end trace ecc6a9d815a07597 ]--- <6>[ 67.972516] lkdtm: Negative detected: saturated T_ZERO_OVERFLOW # [ 63.377901] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 63.391359] ------------[ cut here ]------------ # [ 63.403040] refcount_t: saturated; leaking memory. # [ 63.408757] WARNING: CPU: 0 PID: 2032 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.424689] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 63.470977] CPU: 0 PID: 2032 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 63.479951] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.486892] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 63.499255] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 8f c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 # [ 63.520559] RSP: 0018:ffffa4aa826c7e38 EFLAGS: 00010282 # [ 63.532895] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.541182] RDX: ffff9d8cbbc2c660 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 # [ 63.549469] RBP: ffffffff8f7f9320 R08: 0000000000000000 R09: 0000000000000000 # [ 63.557764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.566056] R13: ffffa4aa826c7f10 R14: ffffa4aa826c7f10 R15: ffff9d8c469c7000 # [ 63.574346] FS: 00007f801bc9a580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 # [ 63.583710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.590447] CR2: 00007f801baa4000 CR3: 00000001041d6000 CR4: 00000000003506f0 # [ 63.598734] Call Trace: # [ 63.601794] ? __warn+0x80/0x110 # [ 63.605718] ? refcount_warn_saturate+0x97/0x110 # [ 63.617377] ? report_bug+0x9e/0xc0 # [ 63.621599] ? handle_bug+0x41/0x90 # [ 63.625827] ? exc_invalid_op+0x14/0x70 # [ 63.636608] ? asm_exc_invalid_op+0x12/0x20 # [ 63.641609] ? refcount_warn_saturate+0x97/0x110 # [ 63.647086] ? refcount_warn_saturate+0x97/0x110 # [ 63.658757] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.671415] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.684191] direct_entry.cold+0x2c/0x38 # [ 63.695116] full_proxy_write+0x56/0x80 # [ 63.705939] vfs_write+0xea/0x3b0 # [ 63.709964] ksys_write+0x68/0xf0 # [ 63.714027] do_syscall_64+0x33/0x40 # [ 63.724566] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.736736] RIP: 0033:0x7f801bbb0473 # [ 63.741051] 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 # [ 63.768551] RSP: 002b:00007ffeb67f5b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.777335] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f801bbb0473 # [ 63.785628] RDX: 000000000000001f RSI: 00007f801baa4000 RDI: 0000000000000001 # [ 63.793919] RBP: 00007f801baa4000 R08: 00007f801baa3010 R09: 0000000000000000 # [ 63.802213] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.810504] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.818805] irq event stamp: 0 # [ 63.828744] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <6>[ 68.324774] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 63.836065] hardirqs last disabled at (0): [[ 68.332697] lkdtm: attempting safe refcount_inc_not_zero() from zero 44>] copy_process+0x664/0x1c60 # [ 63.845524] softirqs last <6>[ 68.346303] lkdtm: Good: zero detected enabled at (0): [] copy_process+0x664/0x1c60 <6>[ 68.357004] lkdtm: Correctly stayed at zero # [ 63.854984] softirqs last disabled at (0): [<00000000000000<6>[ 68.368255] lkdtm: attempting bad refcount_inc() from zero 00>] 0x0 # [ 63.862306] ---[ end trace ecc6a9d815a07592 ]--- <4>[ 68.380877] ------------[ cut here ]------------ # [ 63.867784] lkdtm: Overflow detected: saturated # REFCOUN<4>[ 68.392536] refcount_t: addition on 0; use-after-free. T_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests:<4>[ 68.404866] WARNING: CPU: 3 PID: 2233 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: R<4>[ 68.420767] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table EFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 64.189328] lkdtm: Perfor<4>[ 68.467014] CPU: 3 PID: 2233 Comm: cat Tainted: G D W 5.10.181-cip34 #1 ming direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 64.19825<4>[ 68.482166] Hardware name: Google Coral/Coral, BIOS 09/29/2020 3] lkdtm: attempting bad refcount_add_not_zero() overflow # [ <4>[ 68.495327] RIP: 0010:refcount_warn_saturate+0x74/0x110 64.205522] ------------[ cut here ]------------ # [ 64.21100<4>[ 68.507664] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 8f c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 8] refcount_t: saturated; leaking memory. # [ 64.216732] WARN<4>[ 68.535191] RSP: 0018:ffffa4aa829c7e48 EFLAGS: 00010286 ING: CPU: 1 PID: 2064 at lib/refcount.c:19 refcount_warn_saturat<4>[ 68.547541] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 e+0x97/0x110 # [ 64.232703] Modules linked in: fuse ip_tables<4>[ 68.562043] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_<4>[ 68.576568] RBP: ffffffff8f7f9721 R08: 0000000000000000 R09: 0000000000000000 ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops c<4>[ 68.591044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_e<4>[ 68.605561] R13: ffffa4aa829c7f10 R14: ffffa4aa829c7f10 R15: ffff9d8c43a3c000 c_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usb<4>[ 68.620080] FS: 00007fb7ec498580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 pd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine re<4>[ 68.635911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 gmap_i2c chromeos_pstore coreboot_table # [ 64.279084] CPU: 1<4>[ 68.648588] CR2: 00007fb7ec2a2000 CR3: 000000010686c000 CR4: 00000000003506e0 PID: 2064 Comm: cat Tainted: G D W 5.10.181-cip34 <4>[ 68.663278] Call Trace: #1 # [ 64.288074] Hardware name: Google Coral/Coral, BIOS 09<4>[ 68.672534] ? __warn+0x80/0x110 /29/2020 # [ 64.295015] RIP: 0010:refcount_warn_saturate+0x97<4>[ 68.682486] ? refcount_warn_saturate+0x74/0x110 /0x110 # [ 64.301178] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc <4>[ 68.694200] ? report_bug+0x9e/0xc0 cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 8f c6 05 d<4>[ 68.704702] ? handle_bug+0x41/0x90 c f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 <4>[ 68.715029] ? exc_invalid_op+0x14/0x70 f6 01 00 75 85 48 c7 c7 c0 46 75 # [ 64.322504] RSP: 0018:fff<4>[ 68.725900] ? asm_exc_invalid_op+0x12/0x20 fa4aa8277fe38 EFLAGS: 00010282 # [ 64.328666] RAX: 0000000000<4>[ 68.737028] ? refcount_warn_saturate+0x74/0x110 000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 64.336<4>[ 68.748733] ? refcount_warn_saturate+0x74/0x110 961] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbb<4>[ 68.760363] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 c9bf70 # [ 64.345262] RBP: ffffffff8f7f9340 R08: 000000000000<4>[ 68.771878] direct_entry.cold+0x2c/0x38 0000 R09: 0000000000000000 # [ 64.353556] R10: 00000000ffffe0<4>[ 68.782763] full_proxy_write+0x56/0x80 00 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.361850]<4>[ 68.793593] vfs_write+0xea/0x3b0 R13: ffffa4aa8277ff10 R14: ffffa4aa8277ff10 R15: ffff9d8c432700<4>[ 68.803790] ksys_write+0x68/0xf0 00 # [ 64.370145] FS: 00007fd673ab2580(0000) GS:ffff9d8cbbc8<4>[ 68.814037] do_syscall_64+0x33/0x40 0000(0000) knlGS:0000000000000000 # [ 64.379511] CS: 0010 DS<4>[ 68.824506] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : 0000 ES: 0000 CR0: 0000000080050033 # [ 64.386248] CR2: 000<4>[ 68.836694] RIP: 0033:0x7fb7ec3ae473 07fd6738bc000 CR3: 0000000103d78000 CR4: 00000000003506e0 # [ <4>[ 68.847189] 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 64.394539] Call Trace: # [ 64.397591] ? __warn+0x80/0x110 <4>[ 68.874720] RSP: 002b:00007fff03c3efe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.401519] ? refcount_warn_saturate+0x97/0x110 # [ 64.<4>[ 68.889667] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb7ec3ae473 406992] ? report_bug+0x9e/0xc0 # [ 64.411221] ? handle_bug+<4>[ 68.904204] RDX: 0000000000000012 RSI: 00007fb7ec2a2000 RDI: 0000000000000001 0x41/0x90 # [ 64.415438] ? exc_invalid_op+0x14/0x70 # [ 6<4>[ 68.918664] RBP: 00007fb7ec2a2000 R08: 00007fb7ec2a1010 R09: 0000000000000000 4.420047] ? asm_exc_invalid_op+0x12/0x20 # [ 64.425043] ? r<4>[ 68.933183] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 efcount_warn_saturate+0x97/0x110 # [ 64.430517] ? refcount_w<4>[ 68.947662] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 arn_saturate+0x97/0x110 # [ 64.435998] __refcount_add_not_ze<4>[ 68.962200] irq event stamp: 0 ro.constprop.0+0x2a/0x35 # [ 64.442453] lkdtm_REFCOUNT_ADD_N<4>[ 68.972100] hardirqs last enabled at (0): [<0000000000000000>] 0x0 OT_ZERO_OVERFLOW+0x3e/0x76 # [ 64.449011] direct_entry.cold+<4>[ 68.985675] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0x2c/0x38 # [ 64.453713] full_proxy_write+0x56/0x80 # [ 6<4>[ 69.001269] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 4.458326] vfs_write+0xea/0x3b0 # [ 64.462372] ksys_write+0x<4>[ 69.017072] softirqs last disabled at (0): [<0000000000000000>] 0x0 68/0xf0 # [ 64.472579] do_syscall_64+0x33/0x40 # [ 64.483<4>[ 69.030529] ---[ end trace ecc6a9d815a07598 ]--- 090] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.495266]<6>[ 69.042263] lkdtm: Zero detected: saturated RIP: 0033:0x7fd6739c8473 # [ 64.499586] 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 # [ 64.520899] RSP: 002b:00007ffe5d33b908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.529682] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd6739c8473 # [ 64.537975] RDX: 000000000000001f RSI: 00007fd6738bc000 RDI: 0000000000000001 # [ 64.546272] RBP: 00007fd6738bc000 R08: 00007fd6738bb010 R09: 0000000000000000 # [ 64.554575] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.562866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.571170] irq event stamp: 0 # [ 64.574899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.582232] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 64.591696] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 64.601149] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.608471] ---[ end trace ecc6a9d815a07593 ]--- # [ 64.613953] 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 # [ 64.948221] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 64.955979] lkdtm: attempting good refcount_dec() # [ 64.967415] lkdtm: attempting bad refcount_dec() to zero # [ 64.979858] ------------[ cut here ]------------ # [ 64.991794] refcount_t: decrement hit 0; leaking memory. # [ 65.004305] WARNING: CPU: 3 PID: 2096 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.020137] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 65.066254] CPU: 3 PID: 2096 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 65.081551] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.094673] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.107040] Code: 18 47 75 8f c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 8f c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 65.134545] RSP: 0018:ffffa4aa827efe48 EFLAGS: 00010286 # [ 65.146908] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 65.161409] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 # [ 65.175882] RBP: ffffffff8f7f96f9 R08: 0000000000000000 R09: 0000000000000000 # [ 65.190396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.204869] R13: ffffa4aa827eff10 R14: ffffa4aa827eff10 R15: ffff9d8c413ec000 # [ 65.219334] FS: 00007f10ad67b580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 65.234878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.247771] CR2: 00007f10ad485000 CR3: 000000010314a000 CR4: 00000000003506e0 # [ 65.262275] Call Trace: # [ 65.271525] ? __warn+0x80/0x110 # [ 65.281628] ? refcount_warn_saturate+0xfb/0x110 # [ 65.293311] ? report_bug+0x9e/0xc0 # [ 65.303772] ? handle_bug+0x41/<6>[ 69.395801] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 69.408150] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 69.415581] lkdtm: Good: zero detected 0x90 # [ 65.314171] ? exc_invalid_op+0x14/0x70 # [ 65.324<6>[ 69.420096] lkdtm: Correctly stayed at zero 971] ? asm_exc_invalid_op+0x12/0x20 # [ 65.336188] ? refcou<6>[ 69.431288] lkdtm: attempting bad refcount_add() from zero <4>[ 69.443944] ------------[ cut here ]------------ <4>[ 69.449420] refcount_t: addition on 0; use-after-free. nt_warn_saturate+0xfb/0x110 # [ 65.347851] ? refcount_warn_s<4>[ 69.455542] WARNING: CPU: 1 PID: 2265 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 aturate+0xfb/0x110 # [ 65.359532] lkdtm_REFCOUNT_DEC_ZERO+0x<4>[ 69.471502] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 69.517889] CPU: 1 PID: 2265 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 69.526896] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 69.533841] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 69.540001] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 8f c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 <4>[ 69.561314] RSP: 0018:ffffa4aa82a4fe48 EFLAGS: 00010286 <4>[ 69.567473] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 69.575767] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 <4>[ 69.584060] RBP: ffffffff8f7f9733 R08: 0000000000000000 R09: 0000000000000000 <4>[ 69.592355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 69.600650] R13: ffffa4aa82a4ff10 R14: ffffa4aa82a4ff10 R15: ffff9d8c45e80000 4d/0xbd # [ 65.371050] direct_entry.cold+0x2c/0x38 # [ 65<4>[ 69.608944] FS: 00007f0554072580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 69.624527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 69.631269] CR2: 00007f0553e7c000 CR3: 000000010298e000 CR4: 00000000003506e0 <4>[ 69.639563] Call Trace: .381938] full_proxy_write+0x56/0x80 # [ 65.392742] vfs_writ<4>[ 69.642627] ? __warn+0x80/0x110 <4>[ 69.652772] ? refcount_warn_saturate+0x74/0x110 <4>[ 69.658256] ? report_bug+0x9e/0xc0 <4>[ 69.662481] ? handle_bug+0x41/0x90 e+0xea/0x3b0 # [ 65.402982] ksys_write+0x68/0xf0 # [ 65.4<4>[ 69.666701] ? exc_invalid_op+0x14/0x70 <4>[ 69.677497] ? asm_exc_invalid_op+0x12/0x20 <4>[ 69.682504] ? refcount_warn_saturate+0x74/0x110 <4>[ 69.687986] ? refcount_warn_saturate+0x74/0x110 <4>[ 69.693464] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 <4>[ 69.698753] direct_entry.cold+0x2c/0x38 13184] do_syscall_64+0x33/0x40 # [ 65.423696] entry_SYSCALL<4>[ 69.703459] full_proxy_write+0x56/0x80 _64_after_hwframe+0x61/0xc6 # [ 65.435877] RIP: 0033:0x7f10ad<4>[ 69.714284] vfs_write+0xea/0x3b0 591473 # [ 65.446372] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 <4>[ 69.724505] ksys_write+0x68/0xf0 <4>[ 69.734739] do_syscall_64+0x33/0x40 <4>[ 69.739058] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 69.745028] RIP: 0033:0x7f0553f88473 <4>[ 69.749344] 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>[ 69.770647] RSP: 002b:00007ffd4cf81de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 69.779429] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0553f88473 <4>[ 69.787711] RDX: 0000000000000012 RSI: 00007f0553e7c000 RDI: 0000000000000001 <4>[ 69.796004] RBP: 00007f0553e7c000 R08: 00007f0553e7b010 R09: 0000000000000000 <4>[ 69.804299] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 69.812593] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 69.820895] irq event stamp: 0 <4>[ 69.824624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c<4>[ 69.831950] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 69.847628] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 69.857090] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 69.864411] ---[ end trace ecc6a9d815a07599 ]--- <6>[ 69.869884] lkdtm: Zero detected: saturated 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.473882] RSP: 002b:00007fffc9ba3a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.488849] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f10ad591473 # [ 65.503386] RDX: 0000000000000012 RSI: 00007f10ad485000 RDI: 0000000000000001 # [ 65.517858] RBP: 00007f10ad485000 R08: 00007f10ad484010 R09: 0000000000000000 # [ 65.532398] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.547019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.561411] irq event stamp: 0 # [ 65.571426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.584888] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 65.600585] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 65.616213] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.629745] ---[ end trace ecc6a9d815a07594 ]--- # [ 65.641407] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 66.022009] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 66.032835] lkdtm: attempting bad refcount_dec() below zero # [ 66.039395] ------------[ cut here ]------------ # [ 66.044869] refcount_t: decrement hit 0; leaking memory. # [ 66.051171] WARNING: CPU: 1 PID: 2131 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 66.060918] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 66.107185] CPU: 1 PID: 2131 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 66.116159] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.123095] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66.129249] Code: 18 47 75 8f c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 8f c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 66.150571] RSP: 0018:ffffa4aa8285fe48 EFLAGS: 00010286 # [ 66.156740] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 66.165031] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 # [ 66.173326] RBP: ffffffff8f7f970b R08: 0000000000000000 R09: 0000000000000000 # [ 66.181617] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 66.189913] R13: ffffa4aa8285ff10 R14: ffffa4aa8285ff10 R15: ffff9d8c4591a000 # [ 66.198207] FS: 00007f04de694580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 # [ 66.207566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.214301] CR2: 00007f04de49e000 CR3: 000000010314a000 CR4: 00000000003506e0 # [ 66.222589] Call Trace: # [ 66.225647] ? __warn+0x80/0x110 # [ 66.229574] ? refcount_warn_saturate+0xfb/0x110 # [ 66.235058] ? report_bug+0x9e/0xc0 # [ 66.239282] ? handle_bug+0x41/0x90 # [ 66.243496] ? exc_invalid_op+0x14/0x70 # [ 66.248098] ? asm_exc_invalid_op+0x12/0x20 # [ 66.253099] ? refcount_warn_saturate+0xfb/0x110 # [ 66.258578] ? refcount_warn_saturate+0xfb/0x110 # [ 66.264054] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 66.269730] direct_entry.cold+0x2c/0x38 # [ 66.274436] full_proxy_write+0x56/0x80 # [ 66.279050] vfs_write+0xea/0x3b0 # [ 66.283074] ksys_write+0x68/0xf0 # [ 66.287096] do_syscall_64+0x33<6>[ 70.244077] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED /0x40 # [ 66.291411] entry_SYSCALL_64_after_hwframe+0x61/0xc<6>[ 70.255151] lkdtm: attempting bad refcount_inc() from saturated 6 # [ 66.297380] RIP: 0033:0x7f04de5aa473 # [ 66.301691] C<4>[ 70.268256] ------------[ cut here ]------------ ode: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7<4>[ 70.279948] refcount_t: saturated; leaking memory. 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f <4>[ 70.291929] WARNING: CPU: 3 PID: 2300 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54<4>[ 70.307825] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 24 18 # [ 66.329207] RSP: 002b:00007ffccb672a38 EFLAGS: 0000<4>[ 70.354077] CPU: 3 PID: 2300 Comm: cat Tainted: G D W 5.10.181-cip34 #1 0246 ORIG_RAX: 0000000000000001 # [ 66.337991] RAX: fffffffff<4>[ 70.369244] Hardware name: Google Coral/Coral, BIOS 09/29/2020 fffffda RBX: 0000000000000016 RCX: 00007f04de5aa473 # [ 66.34<4>[ 70.382379] RIP: 0010:refcount_warn_saturate+0x51/0x110 6281] RDX: 0000000000000016 RSI: 00007f04de49e000 RDI: 000000000<4>[ 70.394764] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 8f c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 0000001 # [ 66.354569] RBP: 00007f04de49e000 R08: 00007f04de4<4>[ 70.422270] RSP: 0018:ffffa4aa82ad7e48 EFLAGS: 00010286 9d010 R09: 0000000000000000 # [ 66.362859] R10: fffffffffffff<4>[ 70.434620] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 bc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.371197<4>[ 70.449121] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020<4>[ 70.463647] RBP: ffffffff8f7f9745 R08: 0000000000000000 R09: 0000000000000000 000 # [ 66.379531] irq event stamp: 0 # [ 66.383261] hardi<4>[ 70.478125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 rqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.390<4>[ 70.492638] R13: ffffa4aa82ad7f10 R14: ffffa4aa82ad7f10 R15: ffff9d8c45a98000 585] hardirqs last disabled at (0): [] copy_pr<4>[ 70.507117] FS: 00007f6ad7827580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 ocess+0x664/0x1c60 # [ 66.400043] softirqs last enabled at (<4>[ 70.522705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0): [] copy_process+0x664/0x1c60 # [ 66.409<4>[ 70.535681] CR2: 00007f6ad7631000 CR3: 0000000103176000 CR4: 00000000003506e0 494] softirqs last disabled at (0): [<0000000000000000>] 0x0 # <4>[ 70.550432] Call Trace: [ 66.416817] ---[ end trace ecc6a9d815a07595 ]--- # [ 66.42<4>[ 70.559468] ? __warn+0x80/0x110 2287] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATI<4>[ 70.569744] ? refcount_warn_saturate+0x51/0x110 VE: saw 'Negative detected: saturated': ok ok 47 selftests: lkd<4>[ 70.581247] ? report_bug+0x9e/0xc0 tm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_A<4>[ 70.591853] ? handle_bug+0x41/0x90 ND_TEST_NEGATIVE.sh # [ 66.766130] lkdtm: Performing direct e<4>[ 70.602123] ? exc_invalid_op+0x14/0x70 ntry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 66.777677] lkdtm: att<4>[ 70.612967] ? asm_exc_invalid_op+0x12/0x20 empting bad refcount_dec_and_test() below zero # [ 66.785128]<4>[ 70.624112] ? refcount_warn_saturate+0x51/0x110 ------------[ cut here ]------------ # [ 66.790617] refcount<4>[ 70.635834] ? refcount_warn_saturate+0x51/0x110 _t: underflow; use-after-free. # [ 66.796344] WARNING: CPU: 1<4>[ 70.647470] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 PID: 2166 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x11<4>[ 70.659482] direct_entry.cold+0x2c/0x38 0 # [ 66.812311] Modules linked in: fuse ip_tables cros_ec_ch<4>[ 70.670353] full_proxy_write+0x56/0x80 ardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar<4>[ 70.681177] vfs_write+0xea/0x3b0 videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_l<4>[ 70.691370] ksys_write+0x68/0xf0 ogger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev video<4>[ 70.701629] do_syscall_64+0x33/0x40 buf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i<4>[ 70.712106] entry_SYSCALL_64_after_hwframe+0x61/0xc6 2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c ch<4>[ 70.724277] RIP: 0033:0x7f6ad773d473 romeos_pstore coreboot_table # [ 66.858660] CPU: 1 PID: 2166 <4>[ 70.734779] 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 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 6<4>[ 70.762335] RSP: 002b:00007fff2ed95f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 6.867638] Hardware name: Google Coral/Coral, BIOS 09/29/2020 #<4>[ 70.777277] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6ad773d473 [ 66.874577] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [<4>[ 70.791757] RDX: 0000000000000017 RSI: 00007f6ad7631000 RDI: 0000000000000001 66.880742] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80<4>[ 70.806261] RBP: 00007f6ad7631000 R08: 00007f6ad7630010 R09: 0000000000000000 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 8f c6 05 b6 f2 f6 01 <6>[ 70.819402] PDLOG 2023/05/30 16:01:22.570 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f<4>[ 70.820799] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 85 5e ff ff ff 48 c7 # [ 66.902067] RSP: 0018:ffffa4aa828e7e<6>[ 70.838010] PDLOG 2023/05/30 16:01:22.570 P1 Disconnected 40 EFLAGS: 00010286 # [ 66.908231] RAX: 0000000000000000 RBX:<4>[ 70.852084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000031 RCX: 0000000000000000 # [ 66.916529] RDX: f<6>[ 70.865011] PDLOG 2023/05/30 16:01:22.613 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA fff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 # [<4>[ 70.879200] irq event stamp: 0 66.924829] RBP: ffffffff8f7f9360 R08: 0000000000000000 R09: 0<6>[ 70.896492] PDLOG 2023/05/30 16:01:22.655 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA 000000000000000 # [ 66.933122] R10: 00000000ffffe000 R11: 3ff<4>[ 70.906158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffffffffff R12: 000000000000001f # [ 66.941415] R13: ffffa<6>[ 70.923346] PDLOG 2023/05/30 16:01:22.744 P1 SNK Charger ??? 5234mV max 15000mV / 3000mA 4aa828e7f10 R14: ffffa4aa828e7f10 R15: ffff9d8c45df8000 # [ 6<4>[ 70.936579] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 6.949699] FS: 00007f8eb0691580(0000) GS:ffff9d8cbbc80000(0000) <6>[ 70.952453] PDLOG 2023/05/30 16:01:22.861 P1 SNK Charger ??? 5226mV max 5000mV / 3000mA knlGS:0000000000000000 # [ 66.959060] CS: 0010 DS: 0000 ES: <4>[ 70.967801] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0000 CR0: 0000000080050033 # [ 66.965798] CR2: 00007f8eb049b0<6>[ 70.983600] PDLOG 2023/05/30 16:01:22.884 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA 00 CR3: 0000000105e8e000 CR4: 00000000003506e0 # [ 66.974090]<4>[ 70.998936] softirqs last disabled at (0): [<0000000000000000>] 0x0 Call Trace: # [ 66.977151] ? __warn+0x80/0x110 # [ 66.98<6>[ 71.016183] PDLOG 2023/05/30 16:01:23.056 P1 SNK Charger ??? 15139mV max 15000mV / 3000mA 1088] ? refcount_warn_saturate+0xba/0x110 # [ 66.986573] ? <4>[ 71.029418] ---[ end trace ecc6a9d815a0759a ]--- report_bug+0x9e/0xc0 # [ 66.990802] ? handle_bug+0x41/0x90 <6>[ 71.045414] PDLOG 2023/05/30 16:01:25.753 P1 SNK Charger PD 15169mV max 15000mV / 3000mA # [ 66.995034] ? exc_invalid_op+0x14/0x70 # [ 66.999645] <6>[ 71.056769] lkdtm: Saturation detected: still saturated ? asm_exc_invalid_op+0x12/0x20 # [ 67.004652] ? refcount_warn_saturate+0xba/0x110 # [ 67.010136] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 67.016593] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 67.023148] direct_entry.cold+0x2c/0x38 # [ 67.027860] full_proxy_write+0x56/0x80 # [ 67.032480] vfs_write+0xea/0x3b0 # [ 67.036555] ksys_write+0x68/0xf0 # [ 67.040592] do_syscall_64+0x33/0x40 # [ 67.051101] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.063266] RIP: 0033:0x7f8eb05a7473 # [ 67.073786] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.095100] RSP: 002b:00007fff99164bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.103886] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8eb05a7473 # [ 67.112177] RDX: 000000000000001f RSI: 00007f8eb049b000 RDI: 0000000000000001 # [ 67.120464] RBP: 00007f8eb049b000 R08: 00007f8eb049a010 R09: 0000000000000000 # [ 67.128765] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.137060] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.145368] irq event stamp: 0 # [ 67.149099] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.156427] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 67.165886] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 67.175348] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.182669] ---[ end trace ecc6a9d815a07596 ]--- # [ 67.188146] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 67.544445] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 67.556023] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 67.563465] ------------[ cut here ]------------ # [ 67.575111] refcount_t: underflow; use-after-free. # [ 67.580852] WARNING: CPU: 2 PID: 2201 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 67.596815] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 67.643181] CPU: 2 PID: 2201 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 67.652154] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.659092] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 67.665249] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 8f c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 67.686566] RSP: 0018:ffffa4aa8295fe40 EFLAGS: 00010286 # [ 67.692724] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 67.701014] RDX: ffff9d8cbbd2c660 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 # [ 67.709312] RBP: ffffffff8f7f9380 R08: 0000000000000000 R09: 0000000000000000 # [ 67.717600] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 67.725890] R13: ffffa4aa8295ff10 R14: ffffa4aa8295ff10 R15: ffff9d8c44776000 # [ 67.734188] FS: 00007fe4ee2b1580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 # [ 67.743544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.750280] CR2: 00007fe4ee0bb000 CR3: 0000000105ff8000 CR4: 00000000003506e0 # [ 67.758578] Call Trace: # [ 67.761638] ? __warn+0x80/0x110 # [ 67.765566] ? refcount_warn_saturate+0xba/0x110 # [ 67.771036] ? report_bug+0x9e/0xc0 # [ 67.775262] ? handle_bug+0x41/0x90 # [ 67.779474] ? exc_invalid_op+0x14/0x70 # [ 67.784079] ? asm_exc_invalid_op+0x12/0x20 # [ 67.789083] ? refcount_warn_s<6>[ 71.491892] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 71.502026] lkdtm: attempting bad refcount_dec() from saturated <4>[ 71.508963] ------------[ cut here ]------------ <4>[ 71.514449] refcount_t: decrement hit 0; leaking memory. <4>[ 71.520757] WARNING: CPU: 2 PID: 2335 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 aturate+0xba/0x110 # [ 67.794565] __refcount_sub_and_test.co<4>[ 71.530511] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 71.576882] CPU: 2 PID: 2335 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 71.585859] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 71.592797] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 71.598965] Code: 18 47 75 8f c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 e8 46 75 8f c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 71.620283] RSP: 0018:ffffa4aa82b67e48 EFLAGS: 00010286 <4>[ 71.626440] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 71.634733] RDX: ffff9d8cbbd2c660 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 <4>[ 71.643034] RBP: ffffffff8f7f975c R08: 0000000000000000 R09: 0000000000000000 <4>[ 71.651329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 71.659624] R13: ffffa4aa82b67f10 R14: ffffa4aa82b67f10 R15: ffff9d8c413ec000 <4>[ 71.667918] FS: 00007f69128b3580(0000) GS:ffff9d8cbbd00000(0000) knlGS:0000000000000000 nstprop.0+0x3c/0x50 # [ 67.801016] lkdtm_REFCOUNT_SUB_AND_TE<4>[ 71.677272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 71.690206] CR2: 00007f69126bd000 CR3: 0000000105cde000 CR4: 00000000003506e0 <4>[ 71.698499] Call Trace: <4>[ 71.701565] ? __warn+0x80/0x110 <4>[ 71.705491] ? refcount_warn_saturate+0xfb/0x110 <4>[ 71.710984] ? report_bug+0x9e/0xc0 <4>[ 71.715213] ? handle_bug+0x41/0x90 <4>[ 71.719430] ? exc_invalid_op+0x14/0x70 <4>[ 71.724039] ? asm_exc_invalid_op+0x12/0x20 <4>[ 71.729038] ? refcount_warn_saturate+0xfb/0x110 <4>[ 71.734520] ? refcount_warn_saturate+0xfb/0x110 <4>[ 71.740002] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 71.745775] direct_entry.cold+0x2c/0x38 <4>[ 71.750488] full_proxy_write+0x56/0x80 <4>[ 71.755088] vfs_write+0xea/0x3b0 <4>[ 71.759115] ksys_write+0x68/0xf0 <4>[ 71.763140] do_syscall_64+0x33/0x40 ST_NEGATIVE+0x3e/0x7b # [ 67.807564] direct_entry.cold+0x2c/<4>[ 71.767452] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0x38 # [ 67.812271] full_proxy_write+0x56/0x80 # [ 67.816<4>[ 71.779624] RIP: 0033:0x7f69127c9473 884] vfs_write+0xea/0x3b0 # [ 67.820921] ksys_write+0x68/0x<4>[ 71.790128] 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>[ 71.817642] RSP: 002b:00007ffd4b2f4048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 71.826430] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f69127c9473 <4>[ 71.834724] RDX: 0000000000000017 RSI: 00007f69126bd000 RDI: 0000000000000001 <4>[ 71.843021] RBP: 00007f69126bd000 R08: 00007f69126bc010 R09: 0000000000000000 <4>[ 71.851317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 71.859611] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 71.867915] irq event stamp: 0 <4>[ 71.871644] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 71.878974] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 71.888436] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 71.897894] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 71.905217] ---[ end trace ecc6a9d815a0759b ]--- <6>[ 71.910703] lkdtm: Saturation detected: still saturated f0 # [ 67.831131] do_syscall_64+0x33/0x40 # [ 67.835441] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.847617] RIP: 0033:0x7fe4ee1c7473 # [ 67.851932] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.879450] RSP: 002b:00007ffe7df84f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.888274] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe4ee1c7473 # [ 67.896595] RDX: 000000000000001f RSI: 00007fe4ee0bb000 RDI: 0000000000000001 # [ 67.904891] RBP: 00007fe4ee0bb000 R08: 00007fe4ee0ba010 R09: 0000000000000000 # [ 67.913180] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.921469] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.929768] irq event stamp: 0 # [ 67.933493] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.940822] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 67.950273] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 67.959726] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.967042] ---[ end trace ecc6a9d815a07597 ]--- # [ 67.972516] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 68.324774] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 68.332697] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 68.346303] lkdtm: Good: zero detected # [ 68.357004] lkdtm: Correctly stayed at zero # [ 68.368255] lkdtm: attempting bad refcount_inc() from zero # [ 68.380877] ------------[ cut here ]------------ # [ 68.392536] refcount_t: addition on 0; use-after-free. # [ 68.404866] WARNING: CPU: 3 PID: 2233 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 68.420767] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 68.467014] CPU: 3 PID: 2233 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 68.482166] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.495327] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 68.507664] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 8f c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 # [ 68.535191] RSP: 0018:ffffa4aa829c7e48 EFLAGS: 00010286 # [ 68.547541] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 68.562043] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 # [ 68.576568] RBP: ffffffff8f7f9721 R08: 0000000000000000 R09: 0000000000000000 # [ 68.591044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 68.605561] R13: ffffa4aa829c7f10 R14: ffffa4aa829c7f10 R15: ffff9d8c43a3c000 # [ 68.620080] FS: 00007fb7ec498580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 68.635911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.648588] CR2: 00007fb7ec2a2000 CR3: 000000010686c000 CR4: 00000000003506e0 # [ 68.663278] Call Trace: # [ 68.672534] ? __warn+0x80/0x110 # [ 6<6>[ 72.271942] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 72.284645] lkdtm: attempting bad refcount_dec() from saturated <4>[ 72.291595] ------------[ cut here ]------------ <4>[ 72.297073] refcount_t: saturated; leaking memory. <4>[ 72.302794] WARNING: CPU: 1 PID: 2370 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 8.682486] ? refcount_warn_saturate+0x74/0x110 # [ 68.694200]<4>[ 72.312535] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 72.358896] CPU: 1 PID: 2370 Comm: cat Tainted: G D W 5.10.181-cip34 #1 ? report_bug+0x9e/0xc0 # [ 68.704702] ? handle_bug+0x41/0x<4>[ 72.367866] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 72.381011] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 72.387172] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 8f c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 <4>[ 72.408471] RSP: 0018:ffffa4aa82c0fe48 EFLAGS: 00010286 <4>[ 72.414678] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 72.423006] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 <4>[ 72.431298] RBP: ffffffff8f7f9773 R08: 0000000000000000 R09: 0000000000000000 <4>[ 72.439588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 72.447875] R13: ffffa4aa82c0ff10 R14: ffffa4aa82c0ff10 R15: ffff9d8c4594c000 <4>[ 72.456169] FS: 00007fbd8cd87580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 <4>[ 72.465530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 72.472267] CR2: 00007fbd8cb91000 CR3: 00000001040c0000 CR4: 00000000003506e0 <4>[ 72.480555] Call Trace: <4>[ 72.483617] ? __warn+0x80/0x110 <4>[ 72.487536] ? refcount_warn_saturate+0x51/0x110 <4>[ 72.493006] ? report_bug+0x9e/0xc0 <4>[ 72.497229] ? handle_bug+0x41/0x90 <4>[ 72.501446] ? exc_invalid_op+0x14/0x70 <4>[ 72.506051] ? asm_exc_invalid_op+0x12/0x20 <4>[ 72.511050] ? refcount_warn_saturate+0x51/0x110 <4>[ 72.516530] ? refcount_warn_saturate+0x51/0x110 <4>[ 72.522007] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 72.527782] direct_entry.cold+0x2c/0x38 <4>[ 72.532491] full_proxy_write+0x56/0x80 <4>[ 72.537100] vfs_write+0xea/0x3b0 <4>[ 72.541124] ksys_write+0x68/0xf0 <4>[ 72.545150] do_syscall_64+0x33/0x40 90 # [ 68.715029] ? exc_invalid_op+0x14/0x70 # [ 68.72590<4>[ 72.549460] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0] ? asm_exc_invalid_op+0x12/0x20 # [ 68.737028] ? refcount<4>[ 72.561614] RIP: 0033:0x7fbd8cc9d473 _warn_saturate+0x74/0x110 # [ 68.748733] ? refcount_warn_sat<4>[ 72.572118] 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>[ 72.599635] RSP: 002b:00007ffc80ef6b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 72.608404] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbd8cc9d473 <4>[ 72.616693] RDX: 0000000000000017 RSI: 00007fbd8cb91000 RDI: 0000000000000001 <4>[ 72.624986] RBP: 00007fbd8cb91000 R08: 00007fbd8cb90010 R09: 0000000000000000 <4>[ 72.633275] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 72.641567] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 72.649870] irq event stamp: 0 <4>[ 72.653600] hardirqs last enabled at (0): [<0000000000000000>] 0x0 urate+0x74/0x110 # [ 68.760363] lkdtm_REFCOUNT_INC_ZERO+0x99<4>[ 72.660924] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 72.676583] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 72.686041] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 72.693363] ---[ end trace ecc6a9d815a0759c ]--- <6>[ 72.698840] lkdtm: Saturation detected: still saturated /0xc1 # [ 68.771878] direct_entry.cold+0x2c/0x38 # [ 68.782763] full_proxy_write+0x56/0x80 # [ 68.793593] vfs_write+0xea/0x3b0 # [ 68.803790] ksys_write+0x68/0xf0 # [ 68.814037] do_syscall_64+0x33/0x40 # [ 68.824506] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.836694] RIP: 0033:0x7fb7ec3ae473 # [ 68.847189] 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 # [ 68.874720] RSP: 002b:00007fff03c3efe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.889667] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb7ec3ae473 # [ 68.904204] RDX: 0000000000000012 RSI: 00007fb7ec2a2000 RDI: 0000000000000001 # [ 68.918664] RBP: 00007fb7ec2a2000 R08: 00007fb7ec2a1010 R09: 0000000000000000 # [ 68.933183] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.947662] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.962200] irq event stamp: 0 # [ 68.972100] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.985675] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 69.001269] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 69.017072] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.030529] ---[ end trace ecc6a9d815a07598 ]--- # [ 69.042263] 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 # [ 69.395801] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 69.408150] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 69.415581] lkdtm: Good: zero detected # [ 69.420096] lkdtm: Correctly stayed at zero # [ 69.431288] lkdtm: attempting bad refcount_add() from zero # [ 69.443944] ------------[ cut here ]------------ # [ 69.449420] refcount_t: addition on 0; use-after-free. # [ 69.455542] WARNING: CPU: 1 PID: 2265 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 69.471502] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 69.517889] CPU: 1 PID: 2265 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 69.526896] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.533841] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 69.540001] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 8f c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 # [ 69.561314] RSP: 0018:ffffa4aa82a4fe48 EFLAGS: 00010286 # [ 69.567473] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 69.575767] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 # [ 69.584060] RBP: ffffffff8f7f9733 R08: 0000000000000000 R09: 0000000000000000 # [ 69.592355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 69.600650] R13: ffffa4aa82a4ff10 R14: ffffa4aa82a4ff10 R15: ffff9d8c45e80000 # [ 69.608944] FS: 00007f0554072580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 # [ 69.624527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.631269] CR2: 00007f0553e7c000 CR3: 000000010298e000 CR4: 00000000003506e0 # [ 69.639563] Call Trace: # [ 69.642627] ? __warn+0x80/0x110 # [ <6>[ 73.072573] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 69.652772] ? refcount_warn_saturate+0x74/0x110 # [ 69.658256<6>[ 73.086158] lkdtm: attempting bad refcount_inc_not_zero() from saturated ] ? report_bug+0x9e/0xc0 # [ 69.662481] ? handle_bug+0x41/0<4>[ 73.100154] ------------[ cut here ]------------ x90 # [ 69.666701] ? exc_invalid_op+0x14/0x70 # [ 69.6774<4>[ 73.111858] refcount_t: saturated; leaking memory. 97] ? asm_exc_invalid_op+0x12/0x20 # [ 69.682504] ? refcoun<4>[ 73.123818] WARNING: CPU: 3 PID: 2402 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 t_warn_saturate+0x74/0x110 # [ 69.687986] ? refcount_warn_sa<4>[ 73.139686] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table turate+0x74/0x110 # [ 69.693464] lkdtm_REFCOUNT_ADD_ZERO+0x9<4>[ 73.185959] CPU: 3 PID: 2402 Comm: cat Tainted: G D W 5.10.181-cip34 #1 9/0xc1 # [ 69.698753] direct_entry.cold+0x2c/0x38 # [ 69.<4>[ 73.201115] Hardware name: Google Coral/Coral, BIOS 09/29/2020 703459] full_proxy_write+0x56/0x80 # [ 69.714284] vfs_write<4>[ 73.214290] RIP: 0010:refcount_warn_saturate+0x97/0x110 +0xea/0x3b0 # [ 69.724505] ksys_write+0x68/0xf0 # [ 69.73<4>[ 73.226627] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 8f c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 4739] do_syscall_64+0x33/0x40 # [ 69.739058] entry_SYSCALL_<4>[ 73.254162] RSP: 0018:ffffa4aa82c87e38 EFLAGS: 00010282 64_after_hwframe+0x61/0xc6 # [ 69.745028] RIP: 0033:0x7f0553f<4>[ 73.266509] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 88473 # [ 69.749344] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 4<4>[ 73.281011] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 8 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0<4>[ 73.295536] RBP: ffffffff8f7f93a0 R08: 0000000000000000 R09: 0000000000000000 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4<4>[ 73.310014] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0 00 48 83 ec 28 48 89 54 24 18 # [ 69.770647] RSP: 002b:0000<4>[ 73.324532] R13: ffffa4aa82c87f10 R14: ffffa4aa82c87f10 R15: ffff9d8c45f12000 7ffd4cf81de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <4>[ 73.339019] FS: 00007fd794e5e580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 69.779429] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 0000<4>[ 73.354605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 7f0553f88473 # [ 69.787711] RDX: 0000000000000012 RSI: 00007f<4>[ 73.367533] CR2: 00007fd794c68000 CR3: 0000000103fc0000 CR4: 00000000003506e0 0553e7c000 RDI: 0000000000000001 # [ 69.796004] RBP: 00007f05<4>[ 73.382123] Call Trace: 53e7c000 R08: 00007f0553e7b010 R09: 0000000000000000 # [ 69.8<4>[ 73.391682] ? __warn+0x80/0x110 04299] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000<4>[ 73.401473] ? refcount_warn_saturate+0x97/0x110 00000001 # [ 69.812593] R13: 0000000000000001 R14: 0000000000<4>[ 73.413398] ? report_bug+0x9e/0xc0 020000 R15: 0000000000020000 # [ 69.820895] irq event stamp: <4>[ 73.423733] ? handle_bug+0x41/0x90 0 # [ 69.824624] hardirqs last enabled at (0): [<00000000000<4>[ 73.434134] ? exc_invalid_op+0x14/0x70 00000>] 0x0 # [ 69.831950] hardirqs last disabled at (0): [[ 73.444831] ? asm_exc_invalid_op+0x12/0x20 fffffff8d8fd844>] copy_process+0x664/0x1c60 # [ 69.847628] so<4>[ 73.456030] ? refcount_warn_saturate+0x97/0x110 ftirqs last enabled at (0): [] copy_process+0<4>[ 73.467678] ? refcount_warn_saturate+0x97/0x110 x664/0x1c60 # [ 69.857090] softirqs last disabled at (0): [<0<4>[ 73.479414] __refcount_add_not_zero.constprop.0+0x2a/0x35 000000000000000>] 0x0 # [ 69.864411] ---[ end trace ecc6a9d81<4>[ 73.492004] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 5a07599 ]--- # [ 69.869884] lkdtm: Zero detected: saturated <4>[ 73.504887] direct_entry.cold+0x2c/0x38 # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkd<4>[ 73.515754] full_proxy_write+0x56/0x80 tm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATUR<4>[ 73.526584] vfs_write+0xea/0x3b0 ATED.sh # [ 70.244077] lkdtm: Performing direct entry REFCOUN<4>[ 73.536743] ksys_write+0x68/0xf0 T_INC_SATURATED # [ 70.255151] lkdtm: attempting bad refcount<4>[ 73.547009] do_syscall_64+0x33/0x40 _inc() from saturated # [ 70.268256] ------------[ cut here ]<4>[ 73.557557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ------------ # [ 70.279948] refcount_t: saturated; leaking me<4>[ 73.569665] RIP: 0033:0x7fd794d74473 mory. # [ 70.291929] WARNING: CPU: 3 PID: 2300 at lib/refcoun<4>[ 73.580197] 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 t.c:22 refcount_warn_saturate+0x51/0x110 # [ 70.307825] Modul<4>[ 73.607682] RSP: 002b:00007ffc7f0ca198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 es linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sy<4>[ 73.622693] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd794d74473 sfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_e<4>[ 73.637154] RDX: 0000000000000020 RSI: 00007fd794c68000 RDI: 0000000000000001 c_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi<4>[ 73.651672] RBP: 00007fd794c68000 R08: 00007fd794c67010 R09: 0000000000000000 x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da721<4>[ 73.666159] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 9 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_c<4>[ 73.680689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ompress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_ta<4>[ 73.695183] irq event stamp: 0 ble # [ 70.354077] CPU: 3 PID: 2300 Comm: cat Tainted: G <4>[ 73.705126] hardirqs last enabled at (0): [<0000000000000000>] 0x0 D W 5.10.181-cip34 #1 # [ 70.369244] Hardware name: <4>[ 73.718649] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 Google Coral/Coral, BIOS 09/29/2020 # [ 70.382379] RIP: 0010<4>[ 73.734325] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 :refcount_warn_saturate+0x51/0x110 # [ 70.394764] Code: 84 bc<4>[ 73.749975] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee <4>[ 73.763516] ---[ end trace ecc6a9d815a0759d ]--- 48 c7 c7 68 46 75 8f c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b<6>[ 73.775172] lkdtm: Saturation detected: still saturated c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 # [ 70.422270] RSP: 0018:ffffa4aa82ad7e48 EFLAGS: 00010286 # [ 70.434620] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 70.449121] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 # [ 70.463647] RBP: ffffffff8f7f9745 R08: 0000000000000000 R09: 0000000000000000 # [ 70.478125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 70.492638] R13: ffffa4aa82ad7f10 R14: ffffa4aa82ad7f10 R15: ffff9d8c45a98000 # [ 70.507117] FS: 00007f6ad7827580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 70.522705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.535681] CR2: 00007f6ad7631000 CR3: 0000000103176000 CR4: 00000000003506e0 # [ 70.550432] Call Trace: # [ 70.559468] ? __warn+0x80/0x110 # [ 70.569744] ? refcount_warn_saturate+0x51/0x110 # [ 70.581247] ? report_bug+0x9e/0xc0 # [ 70.591853] ? handle_bug+0x41/0x90 # [ 70.602123] ? exc_invalid_op+0x14/0x70 # [ 70.612967] ? asm_exc_invalid_op+0x12/0x20 # [ 70.624112] ? refcount_warn_saturate+0x51/0x110 # [ 70.635834] ? refcount_warn_saturate+0x51/0x110 # [ 70.647470] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 70.659482] direct_entry.cold+0x2c/0x38 # [ 70.670353] full_proxy_write+0x56/0x80 # [ 70.681177] vfs_write+0xea/0x3b0 # [ 70.691370] ksys_write+0x68/0xf0 # [ 70.701629] do_syscall_64+0x33/0x40 # [ 70.712106] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.724277] RIP: 0033:0x7f6ad773d473 # [ 70.734779] 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 # [ 70.762335] RSP: 002b:00007fff2ed95f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.777277] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6ad773d473 # [ 70.791757] RDX: 0000000000000017 RSI: 00007f6ad7631000 RDI: 0000000000000001 # [ 70.806261] RBP: 00007f6ad7631000 R08: 00007f6ad7630010 R09: 0000000000000000 # [ 70.819402] PDLOG 2023/05/30 16:01:22.570 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA # [ 70.820799] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.838010] PDLOG 2023/05/30 16:01:22.570 P1 Disconnected # [ 70.852084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.865011] PDLOG 2023/05/30 16:01:22.613 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA # [ 70.879200] irq event stamp: 0 # [ 70.896492] PDLOG 2023/05/30 16:01:22.655 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA # [ 70.906158] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.923346] PDLOG 2023/05/30 16:01:22.744 P1 SNK Charger ??? 5234mV max 15000mV / 3000mA # [ 70.936579] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 70.952453] PDLOG 2023/05/30 16:01:22.861 P1 SNK Charger ??? 5226mV max 5000mV / 3000mA # [ 70.967801] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 70.983600] PDLOG 2023/05/30 16:01:22.884 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA # [ 70.998936] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.016183] PDLOG 2023/05/30 16:01:23.056 P1 SNK Charger ??? 15139mV max 15000mV / 3000mA # [ 71.029418] ---[ end trace ecc6a9d815a0759a ]--- # [ 71.045414] PDLOG 2023/05/30 16:01:25.753 P1 SNK Charger PD 15169mV max 15000mV / 3000mA # [ 71.056769] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkd<6>[ 74.153876] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED tm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_<6>[ 74.162326] lkdtm: attempting bad refcount_add_not_zero() from saturated SATURATED.sh # [ 71.491892] lkdtm: Performing direct entry RE<4>[ 74.176333] ------------[ cut here ]------------ FCOUNT_DEC_SATURATED # [ 71.502026] lkdtm: attempting bad ref<4>[ 74.188063] refcount_t: saturated; leaking memory. count_dec() from saturated # [ 71.508963] ------------[ cut h<4>[ 74.199979] WARNING: CPU: 3 PID: 2434 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ere ]------------ # [ 71.514449] refcount_t: decrement hit 0;<4>[ 74.216120] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table leaking memory. # [ 71.520757] WARNING: CPU: 2 PID: 2335 at <4>[ 74.262263] CPU: 3 PID: 2434 Comm: cat Tainted: G D W 5.10.181-cip34 #1 lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 71.53<4>[ 74.277501] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0511] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo<4>[ 74.290582] RIP: 0010:refcount_warn_saturate+0x97/0x110 cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vma<4>[ 74.302946] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 8f c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 lloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf<4>[ 74.330386] RSP: 0018:ffffa4aa82d07e38 EFLAGS: 00010282 2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common sn<4>[ 74.342769] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 d_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc<4>[ 74.357242] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 _core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore <4>[ 74.371743] RBP: ffffffff8f7f93c0 R08: 0000000000000000 R09: 0000000000000000 coreboot_table # [ 71.576882] CPU: 2 PID: 2335 Comm: cat Tain<4>[ 74.386224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ted: G D W 5.10.181-cip34 #1 # [ 71.585859] Hard<4>[ 74.400746] R13: ffffa4aa82d07f10 R14: ffffa4aa82d07f10 R15: ffff9d8c46a69000 ware name: Google Coral/Coral, BIOS 09/29/2020 # [ 71.592797<4>[ 74.415214] FS: 00007fdb47360580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 ] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 71.598965] <4>[ 74.430803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Code: 18 47 75 8f c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 c<4>[ 74.443685] CR2: 00007fdb4716a000 CR3: 0000000103d10000 CR4: 00000000003506e0 c cc cc cc 48 c7 c7 e8 46 75 8f c6 05 74 f2 f6 01 01 e8 7c fd c0<4>[ 74.458310] Call Trace: 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1<4>[ 74.467530] ? __warn+0x80/0x110 f 00 8b # [ 71.620283] RSP: 0018:ffffa4aa82b67e48 EFLAGS: 000<4>[ 74.477602] ? refcount_warn_saturate+0x97/0x110 10286 # [ 71.626440] RAX: 0000000000000000 RBX: 0000000000000<4>[ 74.489349] ? report_bug+0x9e/0xc0 036 RCX: 0000000000000000 # [ 71.634733] RDX: ffff9d8cbbd2c66<4>[ 74.499714] ? handle_bug+0x41/0x90 0 RSI: ffff9d8cbbd1bf70 RDI: ffff9d8cbbd1bf70 # [ 71.643034] <4>[ 74.510159] ? exc_invalid_op+0x14/0x70 RBP: ffffffff8f7f975c R08: 0000000000000000 R09: 000000000000000<4>[ 74.520926] ? asm_exc_invalid_op+0x12/0x20 0 # [ 71.651329] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[ 74.532183] ? refcount_warn_saturate+0x97/0x110 R12: 0000000000000017 # [ 71.659624] R13: ffffa4aa82b67f10 R1<4>[ 74.543788] ? refcount_warn_saturate+0x97/0x110 4: ffffa4aa82b67f10 R15: ffff9d8c413ec000 # [ 71.667918] FS: <4>[ 74.555536] __refcount_add_not_zero.constprop.0+0x2a/0x35 00007f69128b3580(0000) GS:ffff9d8cbbd00000(0000) knlGS:00000000<4>[ 74.568127] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 00000000 # [ 71.677272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000<4>[ 74.581015] direct_entry.cold+0x2c/0x38 000080050033 # [ 71.690206] CR2: 00007f69126bd000 CR3: 000000<4>[ 74.591887] full_proxy_write+0x56/0x80 0105cde000 CR4: 00000000003506e0 # [ 71.698499] Call Trace: <4>[ 74.602723] vfs_write+0xea/0x3b0 # [ 71.701565] ? __warn+0x80/0x110 # [ 71.705491] ? refco<4>[ 74.612917] ksys_write+0x68/0xf0 unt_warn_saturate+0xfb/0x110 # [ 71.710984] ? report_bug+0x9<4>[ 74.623169] do_syscall_64+0x33/0x40 e/0xc0 # [ 71.715213] ? handle_bug+0x41/0x90 # [ 71.71943<4>[ 74.633631] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0] ? exc_invalid_op+0x14/0x70 # [ 71.724039] ? asm_exc_inva<4>[ 74.645842] RIP: 0033:0x7fdb47276473 lid_op+0x12/0x20 # [ 71.729038] ? refcount_warn_saturate+0xf<4>[ 74.656307] 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 b/0x110 # [ 71.734520] ? refcount_warn_saturate+0xfb/0x110 <4>[ 74.683865] RSP: 002b:00007ffede464248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.740002] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ <4>[ 74.698801] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdb47276473 71.745775] direct_entry.cold+0x2c/0x38 # [ 71.750488] full_<4>[ 74.713324] RDX: 0000000000000020 RSI: 00007fdb4716a000 RDI: 0000000000000001 proxy_write+0x56/0x80 # [ 71.755088] vfs_write+0xea/0x3b0 #<4>[ 74.727780] RBP: 00007fdb4716a000 R08: 00007fdb47169010 R09: 0000000000000000 [ 71.759115] ksys_write+0x68/0xf0 # [ 71.763140] do_sysc<4>[ 74.742323] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 all_64+0x33/0x40 # [ 71.767452] entry_SYSCALL_64_after_hwfra<4>[ 74.756766] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 me+0x61/0xc6 # [ 71.779624] RIP: 0033:0x7f69127c9473 # [ 7<4>[ 74.771284] irq event stamp: 0 1.790128] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff <4>[ 74.781187] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0<4>[ 74.794742] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec <4>[ 74.810366] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 28 48 89 54 24 18 # [ 71.817642] RSP: 002b:00007ffd4b2f4048 E<4>[ 74.826074] softirqs last disabled at (0): [<0000000000000000>] 0x0 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.826430] RAX<4>[ 74.839577] ---[ end trace ecc6a9d815a0759e ]--- : ffffffffffffffda RBX: 0000000000000017 RCX: 00007f69127c9473 <6>[ 74.851262] lkdtm: Saturation detected: still saturated # [ 71.834724] RDX: 0000000000000017 RSI: 00007f69126bd000 RDI: 0000000000000001 # [ 71.843021] RBP: 00007f69126bd000 R08: 00007f69126bc010 R09: 0000000000000000 # [ 71.851317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.859611] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.867915] irq event stamp: 0 # [ 71.871644] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.878974] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 71.888436] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 71.897894] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.905217] ---[ end trace ecc6a9d815a0759b ]--- # [ 71.910703] 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 # [ 72.271942] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 72.284645] lkdtm: attempting bad refcount_dec() from saturated # [ 72.291595] ------------[ cut here ]------------ # [ 72.297073] refcount_t: saturated; leaking memory. # [ 72.302794] WARNING: CPU: 1 PID: 2370 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 72.312535] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 72.358896] CPU: 1 PID: 2370 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 72.367866] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.381011] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 72.387172] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 68 46 75 8f c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 90 46 75 # [ 72.408471] RSP: 0018:ffffa4aa82c0fe48 EFLAGS: 00010286 # [ 72.414678] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 72.423006] RDX: ffff9d8cbbcac660 RSI: ffff9d8cbbc9bf70 RDI: ffff9d8cbbc9bf70 # [ 72.431298] RBP: ffffffff8f7f9773 R08: 0000000000000000 R09: 0000000000000000 # [ 72.439588] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 72.447875] R13: ffffa4aa82c0ff10 R14: ffffa4aa82c0ff10 R15: ffff9d8c4594c000 # [ 72.456169] FS: 00007fbd8cd87580(0000) GS:ffff9d8cbbc80000(0000) knlGS:0000000000000000 # [ 72.465530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.472267] CR2: 00007fbd8cb91000 CR3: 00000001040c0000 CR4: 00000000003506e0 # [ 72.480555] Call Trace: # [ 72.483617] ? __warn+0x80/0x110 # [ 72.487536] ? refcount_warn_saturate+0x51/0x110 # [ 72.493006] ? report_bug+0x9e/0xc0 # [ 72.497229] ? handle_bug+0x41/0x90 # [ 72.501446] ? exc_invalid_op+0x14/0x70 # [ 72.506051] ? asm_exc_invalid_op+0x12/0x20 # [ 72.511050] ? refcount_warn_saturate+0x51/0x110 # [ 72.516530] ? refcount_warn_saturate+0x51/0x110 # [ 72.522007] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 72.527782] direct_entry.cold+0x2c/0x38 # [ 72.532491] full_proxy_write+0x56/0x80 # [ 72.537100] vfs_write+0xea/0x3b0 # [ 72.541124] ksys_write+0x68/0xf0 # [ 72.545150] do_syscall_64+0x33/0x40 # [ 72.549460] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.561614] RIP: 0033:0x7fbd8cc9d473 # [ 72.572118] 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 # [ 72.599635] RSP: 002b:00007ffc80ef6b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.608404] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbd8cc9d473 # [ 72.616693] RDX: 0000000000000017 RSI<6>[ 75.264023] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED : 00007fbd8cb91000 RDI: 0000000000000001 # [ 72.624986] RBP: <6>[ 75.275653] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 75.289678] ------------[ cut here ]------------ <4>[ 75.295149] refcount_t: underflow; use-after-free. 00007fbd8cb91000 R08: 00007fbd8cb90010 R09: 0000000000000000 # <4>[ 75.300877] WARNING: CPU: 0 PID: 2469 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 72.633275] R10: fffffffffffffbc5 R11: 0000000000000246 R12: <4>[ 75.316821] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 75.363135] CPU: 0 PID: 2469 Comm: cat Tainted: G D W 5.10.181-cip34 #1 0000000000000001 # [ 72.641567] R13: 0000000000000001 R14: 00<4>[ 75.372104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 75.385229] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 75.391392] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 8f c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 00000000020000 R15: 0000000000020000 # [ 72.649870] irq event<4>[ 75.412702] RSP: 0018:ffffa4aa82d7fe40 EFLAGS: 00010286 <4>[ 75.425046] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 75.433342] RDX: ffff9d8cbbc2c660 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 <4>[ 75.441635] RBP: ffffffff8f7f93e0 R08: 0000000000000000 R09: 0000000000000000 stamp: 0 # [ 72.653600] hardirqs last enabled at (0): [<000<4>[ 75.449943] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 75.464436] R13: ffffa4aa82d7ff10 R14: ffffa4aa82d7ff10 R15: ffff9d8c45e97000 <4>[ 75.472726] FS: 00007fd79eeec580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 <4>[ 75.482077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 75.488815] CR2: 00007fd79ecf6000 CR3: 0000000103168000 CR4: 00000000003506f0 <4>[ 75.497105] Call Trace: <4>[ 75.500162] ? __warn+0x80/0x110 0000000000000>] 0x0 # [ 72.660924] hardirqs last disabled at <4>[ 75.504086] ? refcount_warn_saturate+0xba/0x110 <4>[ 75.515746] ? report_bug+0x9e/0xc0 <4>[ 75.519969] ? handle_bug+0x41/0x90 <4>[ 75.524181] ? exc_invalid_op+0x14/0x70 <4>[ 75.528787] ? asm_exc_invalid_op+0x12/0x20 <4>[ 75.533787] ? refcount_warn_saturate+0xba/0x110 (0): [] copy_process+0x664/0x1c60 # [ 72.67<4>[ 75.539270] __refcount_sub_and_test.constprop.0+0x3c/0x50 6583] softirqs last enabled at (0): [] copy_p<4>[ 75.551903] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 rocess+0x664/0x1c60 # [ 72.686041] softirqs last disabled at <4>[ 75.564770] direct_entry.cold+0x2c/0x38 (0): [<0000000000000000>] 0x0 # [ 72.693363] ---[ end trace e<4>[ 75.575649] full_proxy_write+0x56/0x80 cc6a9d815a0759c ]--- # [ 72.698840] lkdtm: Saturation detecte<4>[ 75.586453] vfs_write+0xea/0x3b0 d: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation de<4>[ 75.596681] ksys_write+0x68/0xf0 tected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_A<4>[ 75.606905] do_syscall_64+0x33/0x40 DD_SATURATED.sh <4>[ 75.617420] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh<4>[ 75.625026] RIP: 0033:0x7fd79ee02473 # [ 73.072573] lkdtm: Performing direct entry REFCOUNT_INC_N<4>[ 75.634585] 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 OT_ZERO_SATURATED # [ 73.086158] lkdtm: attempting bad refcou<4>[ 75.662111] RSP: 002b:00007ffe1d39e4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 nt_inc_not_zero() from saturated<4>[ 75.677088] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd79ee02473 <4>[ 75.688475] RDX: 0000000000000020 RSI: 00007fd79ecf6000 RDI: 0000000000000001 # [ 73.100154] ------------[ cut here ]------------ # [ 73.<4>[ 75.696949] RBP: 00007fd79ecf6000 R08: 00007fd79ecf5010 R09: 0000000000000000 111858] refcount_t: saturated; leaking memory. # [ 73.123818]<4>[ 75.711452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 WARNING: CPU: 3 PID: 2402 at lib/refcount.c:19 refcount_warn_sa<4>[ 75.725951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 turate+0x97/0x110 <4>[ 75.740461] irq event stamp: 0 # [ 73.139686] Modules linked in: fuse ip_tables cros_ec_chard<4>[ 75.746013] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar vi<4>[ 75.759540] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 deobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logg<4>[ 75.775198] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 er videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf<4>[ 75.790854] softirqs last disabled at (0): [<0000000000000000>] 0x0 2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_<4>[ 75.804366] ---[ end trace ecc6a9d815a0759f ]--- hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chrom<6>[ 75.816043] lkdtm: Saturation detected: still saturated eos_pstore coreboot_table # [ 73.185959] CPU: 3 PID: 2402 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 73.201115] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.214290] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 73.226627] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 68 46 75 8f c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 # [ 73.254162] RSP: 0018:ffffa4aa82c87e38 EFLAGS: 00010282 # [ 73.266509] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 73.281011] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 # [ 73.295536] RBP: ffffffff8f7f93a0 R08: 0000000000000000 R09: 0000000000000000 # [ 73.310014] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 73.324532] R13: ffffa4aa82c87f10 R14: ffffa4aa82c87f10 R15: ffff9d8c45f12000 # [ 73.339019] FS: 00007fd794e5e580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 73.354605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.367533] CR2: 00007fd794c68000 CR3: 0000000103fc0000 CR4: 00000000003506e0 # [ 73.382123] Call Trace: # [ 73.391682] ? __warn+0x80/0x110 # [ 73.401473] ? refcount_warn_saturate+0x97/0x110 # [ 73.413398] ? report_bug+0x9e/0xc0 # [ 73.423733] ? handle_bug+0x41/0x90 # [ 73.434134] ? exc_invalid_op+0x14/0x70 # [ 73.444831] ? asm_exc_invalid_op+0x12/0x20 # [ 73.456030] ? refcount_warn_saturate+0x97/0x110 # [ 73.467678] ? refcount_warn_saturate+0x97/0x110 # [ 73.479414] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 73.492004] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 73.504887] direct_entry.cold+0x2c/0x38 # [ 73.515754] full_proxy_write+0x56/0x80 # [ 73.526584] vfs_write+0xea/0x3b0 # [ 73.536743] ksys_write+0x68/0xf0 # [ 73.547009] do_syscall_64+0x33/0x40 # [ 73.557557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.569665] RIP: 0033:0x7fd794d74473 # [ 73.580197] 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 # [ 73.607682] RSP: 002b:00007ffc7f0ca198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.622693] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd794d74473 # [ 73.637154] RDX: 0000000000000020 RSI: 00007fd794c68000 RDI: 0000000000000001 # [ 73.651672] RBP: 00007fd794c68000 R08: 00007fd794c67010 R09: 0000000000000000 # [ 73.666159] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.680689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.695183] irq event stamp: 0 # [ 73.705126] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.718649] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 73.734325] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 73.749975] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.763516] ---[ end trace ecc6a9d815a0759d ]--- # [ 73.775172] 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 # [ 74.153876] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 74.162326] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 74.176333] ------------[ cut here ]------------ # [ 74.188063] refcount_t: saturated; leaking memory. # [ 74.199979] WARNING: CPU: 3 PID: 2434 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 74.216120] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmal<6>[ 76.207948] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 76.221997] lkdtm: attempting bad refcount_sub_and_test() from saturated loc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2<4>[ 76.229816] ------------[ cut here ]------------ <4>[ 76.241466] refcount_t: underflow; use-after-free. _v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd<4>[ 76.247188] WARNING: CPU: 0 PID: 2504 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 _soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_<4>[ 76.263113] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 76.309423] CPU: 0 PID: 2504 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 76.318395] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 76.325333] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 76.331491] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 8f c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 76.352806] RSP: 0018:ffffa4aa82dffe40 EFLAGS: 00010286 <4>[ 76.358972] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 76.367261] RDX: ffff9d8cbbc2c660 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 <4>[ 76.375551] RBP: ffffffff8f7f9400 R08: 0000000000000000 R09: 0000000000000000 <4>[ 76.383843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 76.392132] R13: ffffa4aa82dfff10 R14: ffffa4aa82dfff10 R15: ffff9d8c44627000 <4>[ 76.400427] FS: 00007fdd904e0580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 <4>[ 76.409787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 76.416523] CR2: 00007fdd902ea000 CR3: 0000000104910000 CR4: 00000000003506f0 <4>[ 76.424818] Call Trace: <4>[ 76.427878] ? __warn+0x80/0x110 core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore c<4>[ 76.431807] ? refcount_warn_saturate+0xba/0x110 <4>[ 76.443459] ? report_bug+0x9e/0xc0 <4>[ 76.447675] ? handle_bug+0x41/0x90 oreboot_table # [ 74.262263] CPU: 3 PID: 2434 Comm: cat Taint<4>[ 76.451888] ? exc_invalid_op+0x14/0x70 ed: G D W 5.10.181-cip34 #1 # [ 74.277501] Hardw<4>[ 76.462719] ? asm_exc_invalid_op+0x12/0x20 are name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.290582]<4>[ 76.473936] ? refcount_warn_saturate+0xba/0x110 <4>[ 76.485624] __refcount_sub_and_test.constprop.0+0x3c/0x50 RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 74.302946] C<4>[ 76.492074] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 76.504913] direct_entry.cold+0x2c/0x38 ode: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01<4>[ 76.509614] full_proxy_write+0x56/0x80 00 75 a8 48 c7 c7 68 46 75 8f c6 05 dc f2 f6 01 01 e8 e0 fd c0 <4>[ 76.520421] vfs_write+0xea/0x3b0 <4>[ 76.530658] ksys_write+0x68/0xf0 <4>[ 76.534680] do_syscall_64+0x33/0x40 <4>[ 76.538991] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 76.544959] RIP: 0033:0x7fdd903f6473 <4>[ 76.549270] 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 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0<4>[ 76.570619] RSP: 002b:00007ffc2d2f8fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 46 75 # [ 74.330386] RSP: 0018:ffffa4aa82d07e38 EFLAGS: 0001<4>[ 76.585617] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdd903f6473 <4>[ 76.600115] RDX: 0000000000000020 RSI: 00007fdd902ea000 RDI: 0000000000000001 <4>[ 76.608406] RBP: 00007fdd902ea000 R08: 00007fdd902e9010 R09: 0000000000000000 <4>[ 76.616696] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 76.624988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 76.633287] irq event stamp: 0 <4>[ 76.637002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 76.644318] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 76.653775] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 76.663232] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 76.670551] ---[ end trace ecc6a9d815a075a0 ]--- <6>[ 76.676023] lkdtm: Saturation detected: still saturated 0282 # [ 74.342769] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 74.357242] RDX: ffff9d8cbbdac660 RSI: ffff9d8cbbd9bf70 RDI: ffff9d8cbbd9bf70 # [ 74.371743] RBP: ffffffff8f7f93c0 R08: 0000000000000000 R09: 0000000000000000 # [ 74.386224] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 74.400746] R13: ffffa4aa82d07f10 R14: ffffa4aa82d07f10 R15: ffff9d8c46a69000 # [ 74.415214] FS: 00007fdb47360580(0000) GS:ffff9d8cbbd80000(0000) knlGS:0000000000000000 # [ 74.430803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.443685] CR2: 00007fdb4716a000 CR3: 0000000103d10000 CR4: 00000000003506e0 # [ 74.458310] Call Trace: # [ 74.467530] ? __warn+0x80/0x110 # [ 74.477602] ? refcount_warn_saturate+0x97/0x110 # [ 74.489349] ? report_bug+0x9e/0xc0 # [ 74.499714] ? handle_bug+0x41/0x90 # [ 74.510159] ? exc_invalid_op+0x14/0x70 # [ 74.520926] ? asm_exc_invalid_op+0x12/0x20 # [ 74.532183] ? refcount_warn_saturate+0x97/0x110 # [ 74.543788] ? refcount_warn_saturate+0x97/0x110 # [ 74.555536] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 74.568127] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 74.581015] direct_entry.cold+0x2c/0x38 # [ 74.591887] full_proxy_write+0x56/0x80 # [ 74.602723] vfs_write+0xea/0x3b0 # [ 74.612917] ksys_write+0x68/0xf0 # [ 74.623169] do_syscall_64+0x33/0x40 # [ 74.633631] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.645842] RIP: 0033:0x7fdb47276473 # [ 74.656307] 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 # [ 74.683865] RSP: 002b:00007ffede464248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.698801] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdb47276473 # [ 74.713324] RDX: 0000000000000020 RSI: 00007fdb4716a000 RDI: 0000000000000001 # [ 74.727780] RBP: 00007fdb4716a000 R08: 00007fdb47169010 R09: 0000000000000000 # [ 74.742323] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.756766] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.771284] irq event stamp: 0 # [ 74.781187] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.794742] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 74.810366] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 74.826074] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.839577] ---[ end trace ecc6a9d815a0759e ]--- # [ 74.851262] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 75.264023] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 75.275653] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 75.289678] ------------[ cut here ]------------ # [ 75.295149] refcount_t: underflow; use-after-free. # [ 75.300877] WARNING: CPU: 0 PID: 2469 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 75.316821] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 75.363135] CPU: 0 PID: 2469 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 75.372104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.385229] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 75.391392] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 8f c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 75.412702] RSP: 0018:ffffa4aa82d7fe40 EFLAGS: 00010286 # [ 75.425046] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 75.433342] RDX: ffff9d8cbbc2c660 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 # [ 75.441635] RBP: ffffffff8f7f93e0 R08: 0000000000000000 R09: 0000000000000000 # [ 75.449943] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 75.464436] R13: ffffa4aa82d7ff10 R14: ffffa4aa82d7ff10 R15: ffff9d8c45e97000 # [ 75.472726] FS: 00007fd79eeec580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 # [ 75.482077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.488815] CR2: 00007fd79ecf6000 CR3: 0000000103168000 CR4: 00000000003506f0 # [ 75.497105] Call Trace: # [ 75.500162] ? __warn+0x80/0x110 # [ 75.504086] ? refcount_warn_saturate+0xba/0x110 # [ 75.515746] ? report_bug+0x9e/0xc0 # [ 75.519969] ? handle_bug+0x41/0x90 # [ 75.524181] ? exc_invalid_op+0x14/0x70 # [ 75.528787] ? asm_exc_invalid_op+0x12/0x20 # [ 75.533787] ? refcount_warn_saturate+0xba/0x110 # [ 75.539270] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 75.551903] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 75.564770] direct_entry.cold+0x2c/0x38 # [ 75.575649] full_proxy_write+0x56/0x80 # [ 75.586453] vfs_write+0xea/0x3b0 # [ 75.596681] ksys_write+0x68/0xf0 # [ 75.606905] do_syscall_64+0x33/0x40 # [ 75.617420] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.625026] RIP: 0033:0x7fd79ee02473 # [ 75.634585] 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 # [ 75.662111] RSP: 002b:00007ffe1d39e4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.677088] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd79ee02473 # [ 75.688475] RDX: 0000000000000020 RSI: 00007fd79ecf6000 RDI: 0000000000000001 # [ 75.696949] RBP: 00007fd79ecf6000 R08: 00007fd79ecf5010 R09: 0000000000000000 # [ 75.711452] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.725951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.740461] irq event stamp: 0 # [ 75.746013] hardirqs last enabled at (0): [<0000000000000000>] <6>[ 77.311892] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 0x0 # [ 75.759540] hardirqs last disabled at (0): [[ 77.323552] lkdtm: attempting good copy_to_user of correct size d8fd844>] copy_process+0x664/0x1c60 # [ 75.775198] softirqs l<6>[ 77.336760] lkdtm: attempting bad copy_to_user of too large size ast enabled at (0): [] copy_process+0x664/0x1c60 # [ 75.790854] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.804366] ---[ end trace ecc6a9d815a0759f ]--- # [ 75.816043] 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 # [ 76.207948] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 76.221997] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 76.229816] ------------[ cut here ]------------ # [ 76.241466] refcount_t: underflow; use-after-free. # [ 76.247188] WARNING: CPU: 0 PID: 2504 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 76.263113] Modules linked in: fuse ip_tables cros_ec_chardev uvcvideo cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc cros_ec_debugfs videobuf2_memops cros_usbpd_logger videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_soc_da7219 snd_soc_max98357a cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 76.309423] CPU: 0 PID: 2504 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 76.318395] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.325333] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 76.331491] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 c0 46 75 8f c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 76.352806] RSP: 0018:ffffa4aa82dffe40 EFLAGS: 00010286 # [ 76.358972] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 76.367261] RDX: ffff9d8cbbc2c660 RSI: ffff9d8cbbc1bf70 RDI: ffff9d8cbbc1bf70 # [ 76.375551] RBP: ffffffff8f7f9400 R08: 0000000000000000 R09: 0000000000000000 # [ 76.383843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 76.392132] R13: ffffa4aa82dfff10 R14: ffffa4aa82dfff10 R15: ffff9d8c44627000 # [ 76.400427] FS: 00007fdd904e0580(0000) GS:ffff9d8cbbc00000(0000) knlGS:0000000000000000 # [ 76.409787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.416523] CR2: 00007fdd902ea000 CR3: 0000000104910000 CR4: 00000000003506f0 # [ 76.424818] Call Trace: # [ 76.427878] ? __warn+0x80/0x110 # [ 76.431807] ? refcount_warn_saturate+0xba/0x110 # [ 76.443459] ? report_bug+0x9e/0xc0 # [ 76.447675] ? handle_bug+0x41/0x90 # [ 76.451888] ? exc_invalid_op+0x14/0x70 # [ 76.462719] ? asm_exc_invalid_op+0x12/0x20 # [ 76.473936] ? refcount_warn_saturate+0xba/0x110 # [ 76.485624] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 76.492074] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 76.504913] direct_entry.cold+0x2c/0x38 # [ 76.509614] full_proxy_write+0x56/0x80 # [ 76.520421] vfs_write+0xea/0x3b0 # [ 76.530658] ksys_write+0x68/0xf0 # [ 76.534680] do_syscall_64+0x33/0x40 # [ 76.538991] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.544959] RIP: 0033:0x7fdd903f6473 # [ 76.549270] 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 # [ 76.570619] RSP: 002b:00007ffc2d2f8fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.585617] RAX: ffffffffffffffda RBX: 000000000000<6>[ 77.692589] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 0020 RCX: 00007fdd903f6473 # [ 76.600115] RDX: 00000000000000<6>[ 77.705581] lkdtm: attempting good copy_from_user of correct size 20 RSI: 00007fdd902ea000 RDI: 0000000000000001 # [ 76.608406]<6>[ 77.718954] lkdtm: attempting bad copy_from_user of too large size RBP: 00007fdd902ea000 R08: 00007fdd902e9010 R09: 0000000000000000 # [ 76.616696] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.624988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 76.633287] irq event stamp: 0 # [ 76.637002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.644318] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 76.653775] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 76.663232] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.670551] ---[ end trace ecc6a9d815a075a0 ]--- # [ 76.676023] 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 # [ 77.311892] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 77.323552] lkdtm: attempting good copy_to_user of correct size # [ 77.336760] 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 # [ 77.692589] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 77.705581] lkdtm: attempting good copy_from_user of correct size # [ 77.718954] 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>[ 78.066299] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 78.073864] lkdtm: attempting good copy_to_user inside whitelist <6>[ 78.080951] lkdtm: attempting bad copy_to_user outside whitelist # [ 78.066299] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 78.073864] lkdtm: attempting good copy_to_user inside whitelist # [ 78.080951] 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>[ 78.440044] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 78.447803] lkdtm: attempting good copy_from_user inside whitelist <6>[ 78.455081] lkdtm: attempting bad copy_from_user outside whitelist # [ 78.440044] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 78.447803] lkdtm: attempting good copy_from_user inside whitelist # [ 78.455081] 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>[ 78.814008] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 78.821255] lkdtm: good_stack: ffffa4aa83147e20-ffffa4aa83147e40 <6>[ 78.828311] lkdtm: bad_stack : ffffa4aa83147da8-ffffa4aa83147dc8 <6>[ 78.835377] lkdtm: attempting good copy_to_user of local stack <6>[ 78.842243] lkdtm: attempting bad copy_to_user of distant stack # [ 78.814008] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 78.821255] lkdtm: good_stack: ffffa4aa83147e20-ffffa4aa83147e40 # [ 78.828311] lkdtm: bad_stack : ffffa4aa83147da8-ffffa4aa83147dc8 # [ 78.835377] lkdtm: attempting good copy_to_user of local stack # [ 78.842243] 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>[ 79.192086] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 79.199524] lkdtm: good_stack: ffffa4aa831e7e20-ffffa4aa831e7e40 <6>[ 79.206581] lkdtm: bad_stack : ffffa4aa831e7da8-ffffa4aa831e7dc8 <6>[ 79.213667] lkdtm: attempting good copy_from_user of local stack <6>[ 79.220727] lkdtm: attempting bad copy_from_user of distant stack # [ 79.192086] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 79.199524] lkdtm: good_stack: ffffa4aa831e7e20-ffffa4aa831e7e40 # [ 79.206581] lkdtm: bad_stack : ffffa4aa831e7da8-ffffa4aa831e7dc8 # [ 79.213667] lkdtm: attempting good copy_from_user of local stack # [ 79.220727] 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>[ 79.573380] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 79.580446] lkdtm: good_stack: ffffa4aa83277e20-ffffa4aa83277e40 <6>[ 79.587506] lkdtm: bad_stack : ffffa4aa83277ff8-ffffa4aa83278018 <6>[ 79.594599] lkdtm: attempting good copy_to_user of local stack <6>[ 79.601459] lkdtm: attempting bad copy_to_user of distant stack <4>[ 79.608408] lkdtm: copy_to_user failed, but lacked Oops # [ 79.573380] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 79.580446] lkdtm: good_stack: ffffa4aa83277e20-ffffa4aa83277e40 # [ 79.587506] lkdtm: bad_stack : ffffa4aa83277ff8-ffffa4aa83278018 # [ 79.594599] lkdtm: attempting good copy_to_user of local stack # [ 79.601459] lkdtm: attempting bad copy_to_user of distant stack # [ 79.608408] 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>[ 79.950162] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 79.956975] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8f37ecd0 <6>[ 79.966340] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8dae1300 <3>[ 79.975247] lkdtm: FAIL: survived bad copy_to_user() # [ 79.950162] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 79.956975] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8f37ecd0 # [ 79.966340] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8dae1300 # [ 79.975247] 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>[ 80.340855] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 80.347500] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 80.355733] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 80.363836] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 80.370878] CPU: 1 PID: 2869 Comm: cat Tainted: G D W 5.10.181-cip34 #1 <4>[ 80.379829] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 80.386738] Call Trace: <4>[ 80.389784] dump_stack+0x77/0x9b <4>[ 80.393786] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 80.399247] direct_entry.cold+0x2c/0x38 <4>[ 80.403929] full_proxy_write+0x56/0x80 <4>[ 80.408514] vfs_write+0xea/0x3b0 <4>[ 80.412512] ksys_write+0x68/0xf0 <4>[ 80.416502] do_syscall_64+0x33/0x40 <4>[ 80.420794] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 80.426739] RIP: 0033:0x7fc95cd19473 <4>[ 80.431030] 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>[ 80.452324] RSP: 002b:00007ffc13c49758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 80.461086] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc95cd19473 <4>[ 80.469357] RDX: 0000000000000012 RSI: 00007fc95cc0d000 RDI: 0000000000000001 <4>[ 80.477628] RBP: 00007fc95cc0d000 R08: 00007fc95cc0c010 R09: 0000000000000000 <4>[ 80.485898] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 80.494169] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 80.340855] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 80.347500] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 80.355733] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 80.363836] lkdtm: FAIL: the thread stack is NOT properly erased # [ 80.370878] CPU: 1 PID: 2869 Comm: cat Tainted: G D W 5.10.181-cip34 #1 # [ 80.379829] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 80.386738] Call Trace: # [ 80.389784] dump_stack+0x77/0x9b # [ 80.393786] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 80.399247] direct_entry.cold+0x2c/0x38 # [ 80.403929] full_proxy_write+0x56/0x80 # [ 80.408514] vfs_write+0xea/0x3b0 # [ 80.412512] ksys_write+0x68/0xf0 # [ 80.416502] do_syscall_64+0x33/0x40 # [ 80.420794] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 80.426739] RIP: 0033:0x7fc95cd19473 # [ 80.431030] 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 # [ 80.452324] RSP: 002b:00007ffc13c49758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 80.461086] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc95cd19473 # [ 80.469357] RDX: 0000000000000012 RSI: 00007fc95cc0d000 RDI: 0000000000000001 # [ 80.477628] RBP: 00007fc95cc0d000 R08: 00007fc95cc0c010 R09: 0000000000000000 # [ 80.485898] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 80.494169] 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>[ 80.865013] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 80.871676] lkdtm: Calling matched prototype ... <6>[ 80.877157] lkdtm: Calling mismatched prototype ... <6>[ 80.882922] lkdtm: Fail: survived mismatched prototype function call! # [ 80.865013] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 80.871676] lkdtm: Calling matched prototype ... # [ 80.877157] lkdtm: Calling mismatched prototype ... # [ 80.882922] 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 skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip 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 skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail 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 skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip 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 skip 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 / #